diff options
| author | Paul Mundt <lethal@linux-sh.org> | 2009-12-21 11:59:55 +0900 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2009-12-21 11:59:55 +0900 |
| commit | 76e7461a21dfe13565b2a323b53c8cc963541126 (patch) | |
| tree | 8e399c71b38bb80c00d8a82310021b55ab6e8e33 | |
| parent | d0b873fc73b793277c8a0824ce986b5bfeaef157 (diff) | |
| parent | dd59f6c76b265ed2ff18b497d6105a9511b1feb1 (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
737 files changed, 34959 insertions, 9309 deletions
diff --git a/.gitignore b/.gitignore index 946c7ec5c92..fb2190c61af 100644 --- a/.gitignore +++ b/.gitignore @@ -22,6 +22,7 @@ *.lst *.symtypes *.order +modules.builtin *.elf *.bin *.gz @@ -45,14 +46,8 @@ Module.symvers # # Generated include files # -include/asm -include/asm-*/asm-offsets.h include/config -include/linux/autoconf.h -include/linux/compile.h include/linux/version.h -include/linux/utsrelease.h -include/linux/bounds.h include/generated # stgit generated dirs diff --git a/Documentation/cpu-hotplug.txt b/Documentation/cpu-hotplug.txt index 4d4a644b505..a99d7031cdf 100644 --- a/Documentation/cpu-hotplug.txt +++ b/Documentation/cpu-hotplug.txt @@ -315,41 +315,26 @@ A: The following are what is required for CPU hotplug infrastructure to work Q: I need to ensure that a particular cpu is not removed when there is some work specific to this cpu is in progress. -A: First switch the current thread context to preferred cpu +A: There are two ways. If your code can be run in interrupt context, use + smp_call_function_single(), otherwise use work_on_cpu(). Note that + work_on_cpu() is slow, and can fail due to out of memory: int my_func_on_cpu(int cpu) { - cpumask_t saved_mask, new_mask = CPU_MASK_NONE; - int curr_cpu, err = 0; - - saved_mask = current->cpus_allowed; - cpu_set(cpu, new_mask); - err = set_cpus_allowed(current, new_mask); - - if (err) - return err; - - /* - * If we got scheduled out just after the return from - * set_cpus_allowed() before running the work, this ensures - * we stay locked. - */ - curr_cpu = get_cpu(); - - if (curr_cpu != cpu) { - err = -EAGAIN; - goto ret; - } else { - /* - * Do work : But cant sleep, since get_cpu() disables preempt - */ - } - ret: - put_cpu(); - set_cpus_allowed(current, saved_mask); - return err; - } - + int err; + get_online_cpus(); + if (!cpu_online(cpu)) + err = -EINVAL; + else +#if NEEDS_BLOCKING + err = work_on_cpu(cpu, __my_func_on_cpu, NULL); +#else + smp_call_function_single(cpu, __my_func_on_cpu, &err, + true); +#endif + put_online_cpus(); + return err; + } Q: How do we determine how many CPUs are available for hotplug. A: There is no clear spec defined way from ACPI that can give us that diff --git a/Documentation/dontdiff b/Documentation/dontdiff index e151b2a3626..3ad6acead94 100644 --- a/Documentation/dontdiff +++ b/Documentation/dontdiff @@ -103,6 +103,7 @@ gconf gen-devlist gen_crc32table gen_init_cpio +generated genheaders genksyms *_gray256.c diff --git a/Documentation/hwmon/k10temp b/Documentation/hwmon/k10temp new file mode 100644 index 00000000000..a7a18d453a5 --- /dev/null +++ b/Documentation/hwmon/k10temp @@ -0,0 +1,60 @@ +Kernel driver k10temp +===================== + +Supported chips: +* AMD Family 10h processors: + Socket F: Quad-Core/Six-Core/Embedded Opteron + Socket AM2+: Opteron, Phenom (II) X3/X4 + Socket AM3: Quad-Core Opteron, Athlon/Phenom II X2/X3/X4, Sempron II + Socket S1G3: Athlon II, Sempron, Turion II +* AMD Family 11h processors: + Socket S1G2: Athlon (X2), Sempron (X2), Turion X2 (Ultra) + + Prefix: 'k10temp' + Addresses scanned: PCI space + Datasheets: + BIOS and Kernel Developer's Guide (BKDG) For AMD Family 10h Processors: + http://support.amd.com/us/Processor_TechDocs/31116.pdf + BIOS and Kernel Developer's Guide (BKDG) for AMD Family 11h Processors: + http://support.amd.com/us/Processor_TechDocs/41256.pdf + Revision Guide for AMD Family 10h Processors: + http://support.amd.com/us/Processor_TechDocs/41322.pdf + Revision Guide for AMD Family 11h Processors: + http://support.amd.com/us/Processor_TechDocs/41788.pdf + AMD Family 11h Processor Power and Thermal Data Sheet for Notebooks: + http://support.amd.com/us/Processor_TechDocs/43373.pdf + AMD Family 10h Server and Workstation Processor Power and Thermal Data Sheet: + http://support.amd.com/us/Processor_TechDocs/43374.pdf + AMD Family 10h Desktop Processor Power and Thermal Data Sheet: + http://support.amd.com/us/Processor_TechDocs/43375.pdf + +Author: Clemens Ladisch <clemens@ladisch.de> + +Description +----------- + +This driver permits reading of the internal temperature sensor of AMD +Family 10h and 11h processors. + +All these processors have a sensor, but on older revisions of Family 10h +processors, the sensor may return inconsistent values (erratum 319). The +driver will refuse to load on these revisions unless you specify the +"force=1" module parameter. + +There is one temperature measurement value, available as temp1_input in +sysfs. It is measured in degrees Celsius with a resolution of 1/8th degree. +Please note that it is defined as a relative value; to quote the AMD manual: + + Tctl is the processor temperature control value, used by the platform to + control cooling systems. Tctl is a non-physical temperature on an + arbitrary scale measured in degrees. It does _not_ represent an actual + physical temperature like die or case temperature. Instead, it specifies + the processor temperature relative to the point at which the system must + supply the maximum cooling for the processor's specified maximum case + temperature and maximum thermal power dissipation. + +The maximum value for Tctl is available in the file temp1_max. + +If the BIOS has enabled hardware temperature control, the threshold at +which the processor will throttle itself to avoid damage is available in +temp1_crit and temp1_crit_hyst. diff --git a/Documentation/kbuild/kbuild.txt b/Documentation/kbuild/kbuild.txt index bb3bf38f03d..6f8c1cabbc5 100644 --- a/Documentation/kbuild/kbuild.txt +++ b/Documentation/kbuild/kbuild.txt @@ -1,3 +1,17 @@ +Output files + +modules.order +-------------------------------------------------- +This file records the order in which modules appear in Makefiles. This +is used by modprobe to deterministically resolve aliases that match +multiple modules. + +modules.builtin +-------------------------------------------------- +This file lists all modules that are built into the kernel. This is used +by modprobe to not fail when trying to load something builtin. + + Environment variables KCPPFLAGS diff --git a/Documentation/kbuild/kconfig.txt b/Documentation/kbuild/kconfig.txt index 849b5e56d06..49efae70397 100644 --- a/Documentation/kbuild/kconfig.txt +++ b/Documentation/kbuild/kconfig.txt @@ -103,10 +103,16 @@ KCONFIG_AUTOCONFIG This environment variable can be set to specify the path & name of the "auto.conf" file. Its default value is "include/config/auto.conf". +KCONFIG_TRISTATE +-------------------------------------------------- +This environment variable can be set to specify the path & name of the +"tristate.conf" file. Its default value is "include/config/tristate.conf". + KCONFIG_AUTOHEADER -------------------------------------------------- This environment variable can be set to specify the path & name of the -"autoconf.h" (header) file. Its default value is "include/linux/autoconf.h". +"autoconf.h" (header) file. +Its default value is "include/generated/autoconf.h". ====================================================================== @@ -8,7 +8,7 @@ ##### # 1) Generate bounds.h -bounds-file := include/linux/bounds.h +bounds-file := include/generated/bounds.h always := $(bounds-file) targets := $(bounds-file) kernel/bounds.s @@ -43,7 +43,7 @@ $(obj)/$(bounds-file): kernel/bounds.s Kbuild # 2) Generate asm-offsets.h # -offsets-file := include/asm/asm-offsets.h +offsets-file := include/generated/asm-offsets.h always += $(offsets-file) targets += $(offsets-file) diff --git a/MAINTAINERS b/MAINTAINERS index 0699782f8c5..efd2ef2c266 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -5434,6 +5434,12 @@ F: drivers/uwb/* F: include/linux/uwb.h F: include/linux/uwb/ +UNIFDEF +M: Tony Finch <dot@dotat.at> +W: http://dotat.at/prog/unifdef +S: Maintained +F: scripts/unifdef.c + UNIFORM CDROM DRIVER M: Jens Axboe <axboe@kernel.dk> W: http://www.kernel.dk @@ -1,7 +1,7 @@ VERSION = 2 PATCHLEVEL = 6 -SUBLEVEL = 32 -EXTRAVERSION = +SUBLEVEL = 33 +EXTRAVERSION = -rc1 NAME = Man-Eating Seals of Antiquity # *DOCUMENTATION* @@ -16,6 +16,13 @@ NAME = Man-Eating Seals of Antiquity # o print "Entering directory ..."; MAKEFLAGS += -rR --no-print-directory +# Avoid funny character set dependencies +unexport LC_ALL +LC_CTYPE=C +LC_COLLATE=C +LC_NUMERIC=C +export LC_CTYPE LC_COLLATE LC_NUMERIC + # We are using a recursive build, so we need to do a little thinking # to get the ordering right. # @@ -334,10 +341,9 @@ CFLAGS_GCOV = -fprofile-arcs -ftest-coverage # Use LINUXINCLUDE when you must reference the include/ directory. # Needed to be compatible with the O= option -LINUXINCLUDE := -Iinclude \ - $(if $(KBUILD_SRC),-Iinclude2 -I$(srctree)/include) \ - -I$(srctree)/arch/$(hdr-arch)/include \ - -include include/linux/autoconf.h +LINUXINCLUDE := -I$(srctree)/arch/$(hdr-arch)/include -Iinclude \ + $(if $(KBUILD_SRC), -I$(srctree)/include) \ + -include include/generated/autoconf.h KBUILD_CPPFLAGS := -D__KERNEL__ @@ -465,7 +471,7 @@ ifeq ($(KBUILD_EXTMOD),) # Carefully list dependencies so we do not try to build scripts twice # in parallel PHONY += scripts -scripts: scripts_basic include/config/auto.conf +scripts: scripts_basic include/config/auto.conf include/config/tristate.conf $(Q)$(MAKE) $(build)=$(@) # Objects we will link into vmlinux / subdirs we need to visit @@ -492,18 +498,18 @@ $(KCONFIG_CONFIG) include/config/auto.conf.cmd: ; # with it and forgot to run make oldconfig. # if auto.conf.cmd is missing then we are probably in a cleaned tree so # we execute the config step to be sure to catch updated Kconfig files -include/config/auto.conf: $(KCONFIG_CONFIG) include/config/auto.conf.cmd +include/config/%.conf: $(KCONFIG_CONFIG) include/config/auto.conf.cmd $(Q)$(MAKE) -f $(srctree)/Makefile silentoldconfig else -# external modules needs include/linux/autoconf.h and include/config/auto.conf +# external modules needs include/generated/autoconf.h and include/config/auto.conf # but do not care if they are up-to-date. Use auto.conf to trigger the test PHONY += include/config/auto.conf include/config/auto.conf: - $(Q)test -e include/linux/autoconf.h -a -e $@ || ( \ + $(Q)test -e include/generated/autoconf.h -a -e $@ || ( \ echo; \ echo " ERROR: Kernel configuration is invalid."; \ - echo " include/linux/autoconf.h or $@ are missing."; \ + echo " include/generated/autoconf.h or $@ are missing.";\ echo " Run 'make oldconfig && make prepare' on kernel src to fix it."; \ echo; \ /bin/false) @@ -877,6 +883,9 @@ $(sort $(vmlinux-init) $(vmlinux-main)) $(vmlinux-lds): $(vmlinux-dirs) ; PHONY += $(vmlinux-dirs) $(vmlinux-dirs): prepare scripts $(Q)$(MAKE) $(build)=$@ +ifdef CONFIG_MODULES + $(Q)$(MAKE) $(modbuiltin)=$@ +endif # Build the kernel release string # @@ -955,7 +964,6 @@ PHONY += prepare archprepare prepare0 prepare1 prepare2 prepare3 # prepare3 is used to check if we are building in a separate output directory, # and if so do: # 1) Check that make has not been executed in the kernel src $(srctree) -# 2) Create the include2 directory, used for the second asm symlink prepare3: include/config/kernel.release ifneq ($(KBUILD_SRC),) @$(kecho) ' Using $(srctree) as source for kernel' @@ -964,17 +972,13 @@ ifneq ($(KBUILD_SRC),) echo " in the '$(srctree)' directory.";\ /bin/false; \ fi; - $(Q)if [ ! -d include2 ]; then \ - mkdir -p include2; \ - ln -fsn $(srctree)/include/asm-$(SRCARCH) include2/asm; \ - fi endif # prepare2 creates a makefile if using a separate output directory prepare2: prepare3 outputmakefile -prepare1: prepare2 include/linux/version.h include/linux/utsrelease.h \ - include/asm include/config/auto.conf +prepare1: prepare2 include/linux/version.h include/generated/utsrelease.h \ + include/config/auto.conf $(cmd_crmodverdir) archprepare: prepare1 scripts_basic @@ -986,42 +990,6 @@ prepare0: archprepare FORCE # All the preparing.. prepare: prepare0 -# The asm symlink changes when $(ARCH) changes. -# Detect this and ask user to run make mrproper -# If asm is a stale symlink (point to dir that does not exist) remove it -define check-symlink - set -e; \ - if [ -L include/asm ]; then \ - asmlink=`readlink include/asm | cut -d '-' -f 2`; \ - if [ "$$asmlink" != "$(SRCARCH)" ]; then \ - echo "ERROR: the symlink $@ points to asm-$$asmlink but asm-$(SRCARCH) was expected"; \ - echo " set ARCH or save .config and run 'make mrproper' to fix it"; \ - exit 1; \ - fi; \ - test -e $$asmlink || rm include/asm; \ - elif [ -d include/asm ]; then \ - echo "ERROR: $@ is a directory but a symlink was expected";\ - exit 1; \ - fi -endef - -# We create the target directory of the symlink if it does -# not exist so the test in check-symlink works and we have a -# directory for generated filesas used by some architectures. -define create-symlink - if [ ! -L include/asm ]; then \ - $(kecho) ' SYMLINK $@ -> include/asm-$(SRCARCH)'; \ - if [ ! -d include/asm-$(SRCARCH) ]; then \ - mkdir -p include/asm-$(SRCARCH); \ - fi; \ - ln -fsn asm-$(SRCARCH) $@; \ - fi -endef - -include/asm: FORCE - $(Q)$(check-symlink) - $(Q)$(create-symlink) - # Generate some files # --------------------------------------------------------------------------- @@ -1046,7 +1014,7 @@ endef include/linux/version.h: $(srctree)/Makefile FORCE $(call filechk,version.h) -include/linux/utsrelease.h: include/config/kernel.release FORCE +include/generated/utsrelease.h: include/config/kernel.release FORCE $(call filechk,utsrelease.h) PHONY += headerdep @@ -1076,11 +1044,6 @@ firmware_install: FORCE export INSTALL_HDR_PATH = $(objtree)/usr hdr-inst := -rR -f $(srctree)/scripts/Makefile.headersinst obj -# Find out where the Kbuild file is located to support -# arch/$(ARCH)/include/asm -hdr-dir = $(strip \ - $(if $(wildcard $(srctree)/arch/$(hdr-arch)/include/asm/Kbuild), \ - arch/$(hdr-arch)/include/asm, include/asm-$(hdr-arch))) # If we do an all arch process set dst to asm-$(hdr-arch) hdr-dst = $(if $(KBUILD_HEADERS), dst=include/asm-$(hdr-arch), dst=include/asm) @@ -1095,10 +1058,10 @@ headers_install_all: PHONY += headers_install headers_install: __headers - $(if $(wildcard $(srctree)/$(hdr-dir)/Kbuild),, \ + $(if $(wildcard $(srctree)/arch/$(hdr-arch)/include/asm/Kbuild),, \ $(error Headers not exportable for the $(SRCARCH) architecture)) $(Q)$(MAKE) $(hdr-inst)=include - $(Q)$(MAKE) $(hdr-inst)=$(hdr-dir) $(hdr-dst) + $(Q)$(MAKE) $(hdr-inst)=arch/$(hdr-arch)/include/asm $(hdr-dst) PHONY += headers_check_all headers_check_all: headers_install_all @@ -1107,7 +1070,7 @@ headers_check_all: headers_install_all PHONY += headers_check headers_check: headers_install $(Q)$(MAKE) $(hdr-inst)=include HDRCHECK=1 - $(Q)$(MAKE) $(hdr-inst)=$(hdr-dir) $(hdr-dst) HDRCHECK=1 + $(Q)$(MAKE) $(hdr-inst)=arch/$(hdr-arch)/include/asm $(hdr-dst) HDRCHECK=1 # --------------------------------------------------------------------------- # Modules @@ -1127,6 +1090,7 @@ all: modules PHONY += modules modules: $(vmlinux-dirs) $(if $(KBUILD_BUILTIN),vmlinux) $(Q)$(AWK) '!x[$$0]++' $(vmlinux-dirs:%=$(objtree)/%/modules.order) > $(objtree)/modules.order + $(Q)$(AWK) '!x[$$0]++' $(vmlinux-dirs:%=$(objtree)/%/modules.builtin) > $(objtree)/modules.builtin @$(kecho) ' Building modules, stage 2.'; $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.fwinst obj=firmware __fw_modbuild @@ -1156,6 +1120,7 @@ _modinst_: ln -s $(objtree) $(MODLIB)/build ; \ fi @cp -f $(objtree)/modules.order $(MODLIB)/ + @cp -f $(objtree)/modules.builtin $(MODLIB)/ $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modinst # This depmod is only for convenience to give the initial @@ -1194,12 +1159,10 @@ CLEAN_FILES += vmlinux System.map \ .tmp_kallsyms* .tmp_version .tmp_vmlinux* .tmp_System.map # Directories & files removed with 'make mrproper' -MRPROPER_DIRS += include/config include2 usr/include include/generated -MRPROPER_FILES += .config .config.old include/asm .version .old_version \ - include/linux/autoconf.h include/linux/version.h \ - include/linux/utsrelease.h \ - include/linux/bounds.h include/asm*/asm-offsets.h \ - Module.symvers Module.markers tags TAGS cscope* +MRPROPER_DIRS += include/config usr/include include/generated +MRPROPER_FILES += .config .config.old .version .old_version \ + include/linux/version.h \ + Module.symvers tags TAGS cscope* # clean - Delete most, but leave enough to build external modules # @@ -1218,7 +1181,7 @@ clean: archclean $(clean-dirs) \( -name '*.[oas]' -o -name '*.ko' -o -name '.*.cmd' \ -o -name '.*.d' -o -name '.*.tmp' -o -name '*.mod.c' \ -o -name '*.symtypes' -o -name 'modules.order' \ - -o -name 'Module.markers' -o -name '.tmp_*.o.*' \ + -o -name modules.builtin -o -name '.tmp_*.o.*' \ -o -name '*.gcno' \) -type f -print | xargs rm -f # mrproper - Delete all generated files, including .config @@ -1416,8 +1379,8 @@ $(clean-dirs): clean: rm-dirs := $(MODVERDIR) clean: rm-files := $(KBUILD_EXTMOD)/Module.symvers \ - $(KBUILD_EXTMOD)/Module.markers \ - $(KBUILD_EXTMOD)/modules.order + $(KBUILD_EXTMOD)/modules.order \ + $(KBUILD_EXTMOD)/modules.builtin clean: $(clean-dirs) $(call cmd,rmdirs) $(call cmd,rmfiles) diff --git a/arch/Kconfig b/arch/Kconfig index d82875820a1..9d055b4f058 100644 --- a/arch/Kconfig +++ b/arch/Kconfig @@ -135,9 +135,7 @@ config HAVE_DEFAULT_NO_SPIN_MUTEXES config HAVE_HW_BREAKPOINT bool - depends on HAVE_PERF_EVENTS - select ANON_INODES - select PERF_EVENTS + depends on PERF_EVENTS config HAVE_USER_RETURN_NOTIFIER bool diff --git a/arch/alpha/Kconfig b/arch/alpha/Kconfig index 443448154f3..bd7261ea8f9 100644 --- a/arch/alpha/Kconfig +++ b/arch/alpha/Kconfig @@ -9,6 +9,7 @@ config ALPHA select HAVE_IDE select HAVE_OPROFILE select HAVE_SYSCALL_WRAPPERS + select HAVE_PERF_EVENTS help The Alpha is a 64-bit general-purpose processor designed and marketed by the Digital Equipment Corporation of blessed memory, diff --git a/arch/alpha/boot/bootp.c b/arch/alpha/boot/bootp.c index 3af21c78933..3c8d1b25c66 100644 --- a/arch/alpha/boot/bootp.c +++ b/arch/alpha/boot/bootp.c @@ -9,7 +9,7 @@ */ #include <linux/kernel.h> #include <linux/string.h> -#include <linux/utsrelease.h> +#include <generated/utsrelease.h> #include <linux/mm.h> #include <asm/system.h> diff --git a/arch/alpha/boot/bootpz.c b/arch/alpha/boot/bootpz.c index 1036b515e20..ade3f129dc2 100644 --- a/arch/alpha/boot/bootpz.c +++ b/arch/alpha/boot/bootpz.c @@ -11,7 +11,7 @@ */ #include <linux/kernel.h> #include <linux/string.h> -#include <linux/utsrelease.h> +#include <generated/utsrelease.h> #include <linux/mm.h> #include <asm/system.h> diff --git a/arch/alpha/boot/main.c b/arch/alpha/boot/main.c index 89f3be071ae..644b7db5543 100644 --- a/arch/alpha/boot/main.c +++ b/arch/alpha/boot/main.c @@ -7,7 +7,7 @@ */ #include <linux/kernel.h> #include <linux/string.h> -#include <linux/utsrelease.h> +#include <generated/utsrelease.h> #include <linux/mm.h> #include <asm/system.h> diff --git a/arch/alpha/include/asm/asm-offsets.h b/arch/alpha/include/asm/asm-offsets.h new file mode 100644 index 00000000000..d370ee36a18 --- /dev/null +++ b/arch/alpha/include/asm/asm-offsets.h @@ -0,0 +1 @@ +#include <generated/asm-offsets.h> diff --git a/arch/alpha/include/asm/bug.h b/arch/alpha/include/asm/bug.h index 1720c8ad86f..f091682e3cc 100644 --- a/arch/alpha/include/asm/bug.h +++ b/arch/alpha/include/asm/bug.h @@ -13,7 +13,8 @@ "call_pal %0 # bugchk\n\t" \ ".long %1\n\t.8byte %2" \ : : "i"(PAL_bugchk), "i"(__LINE__), "i"(__FILE__)); \ - for ( ; ; ); } while (0) + unreachable(); \ + } while (0) #define HAVE_ARCH_BUG #endif diff --git a/arch/alpha/include/asm/fcntl.h b/arch/alpha/include/asm/fcntl.h index 21b1117a0c6..70145cbb21c 100644 --- a/arch/alpha/include/asm/fcntl.h +++ b/arch/alpha/include/asm/fcntl.h @@ -16,7 +16,7 @@ #define O_NOATIME 04000000 #define O_CLOEXEC 010000000 /* set close_on_exec */ /* - * Before Linux 2.6.32 only O_DSYNC semantics were implemented, but using + * Before Linux 2.6.33 only O_DSYNC semantics were implemented, but using * the O_SYNC flag. We continue to use the existing numerical value * for O_DSYNC semantics now, but using the correct symbolic name for it. * This new value is used to request true Posix O_SYNC semantics. It is diff --git a/arch/alpha/include/asm/perf_event.h b/arch/alpha/include/asm/perf_event.h new file mode 100644 index 00000000000..3bef8522017 --- /dev/null +++ b/arch/alpha/include/asm/perf_event.h @@ -0,0 +1,9 @@ +#ifndef __ASM_ALPHA_PERF_EVENT_H +#define __ASM_ALPHA_PERF_EVENT_H + +/* Alpha only supports software events through this interface. */ +static inline void set_perf_event_pending(void) { } + +#define PERF_EVENT_INDEX_OFFSET 0 + +#endif /* __ASM_ALPHA_PERF_EVENT_H */ diff --git a/arch/alpha/include/asm/unistd.h b/arch/alpha/include/asm/unistd.h index 7f23665122d..804e5311c84 100644 --- a/arch/alpha/include/asm/unistd.h +++ b/arch/alpha/include/asm/unistd.h @@ -247,6 +247,7 @@ #define __IGNORE_pause #define __IGNORE_time #define __IGNORE_utime +#define __IGNORE_umount2 /* * Linux-specific system calls begin at 300 @@ -434,10 +435,24 @@ #define __NR_timerfd 477 #define __NR_eventfd 478 #define __NR_recvmmsg 479 +#define __NR_fallocate 480 +#define __NR_timerfd_create 481 +#define __NR_timerfd_settime 482 +#define __NR_timerfd_gettime 483 +#define __NR_signalfd4 484 +#define __NR_eventfd2 485 +#define __NR_epoll_create1 486 +#define __NR_dup3 487 +#define __NR_pipe2 488 +#define __NR_inotify_init1 489 +#define __NR_preadv 490 +#define __NR_pwritev 491 +#define __NR_rt_tgsigqueueinfo 492 +#define __NR_perf_event_open 493 #ifdef __KERNEL__ -#define NR_SYSCALLS 480 +#define NR_SYSCALLS 494 #define __ARCH_WANT_IPC_PARSE_VERSION #define __ARCH_WANT_OLD_READDIR diff --git a/arch/alpha/kernel/systbls.S b/arch/alpha/kernel/systbls.S index cda6b8b3d57..09acb786e72 100644 --- a/arch/alpha/kernel/systbls.S +++ b/arch/alpha/kernel/systbls.S @@ -495,9 +495,23 @@ sys_call_table: .quad sys_epoll_pwait .quad sys_utimensat /* 475 */ .quad sys_signalfd - .quad sys_ni_syscall + .quad sys_ni_syscall /* sys_timerfd */ .quad sys_eventfd .quad sys_recvmmsg + .quad sys_fallocate /* 480 */ + .quad sys_timerfd_create + .quad sys_timerfd_settime + .quad sys_timerfd_gettime + .quad sys_signalfd4 + .quad sys_eventfd2 /* 485 */ + .quad sys_epoll_create1 + .quad sys_dup3 + .quad sys_pipe2 + .quad sys_inotify_init1 + .quad sys_preadv /* 490 */ + .quad sys_pwritev + .quad sys_rt_tgsigqueueinfo + .quad sys_perf_event_open .size sys_call_table, . - sys_call_table .type sys_call_table, @object diff --git a/arch/arm/Makefile b/arch/arm/Makefile index fa0cdab2e1d..e9da08483b3 100644 --- a/arch/arm/Makefile +++ b/arch/arm/Makefile @@ -242,15 +242,8 @@ all: $(KBUILD_IMAGE) boot := arch/arm/boot -# Update machine arch and proc symlinks if something which affects -# them changed. We use .arch to indicate when they were updated -# last, otherwise make uses the target directory mtime. - -archprepare: maketools - -PHONY += maketools FORCE -maketools: include/linux/version.h FORCE - $(Q)$(MAKE) $(build)=arch/arm/tools include/asm-arm/mach-types.h +archprepare: + $(Q)$(MAKE) $(build)=arch/arm/tools include/generated/mach-types.h # Convert bzImage to zImage bzImage: zImage @@ -261,9 +254,6 @@ zImage Image xipImage bootpImage uImage: vmlinux zinstall install: vmlinux $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@ -CLEAN_FILES += include/asm-arm/mach-types.h \ - include/asm-arm/arch include/asm-arm/.arch - # We use MRPROPER_FILES and CLEAN_FILES now archclean: $(Q)$(MAKE) $(clean)=$(boot) diff --git a/arch/arm/common/dmabounce.c b/arch/arm/common/dmabounce.c index 5a375e5fef2..bc90364a96c 100644 --- a/arch/arm/common/dmabounce.c +++ b/arch/arm/common/dmabounce.c @@ -308,15 +308,11 @@ static inline void unmap_single(struct device *dev, dma_addr_t dma_addr, memcpy(ptr, buf->safe, size); /* - * DMA buffers must have the same cache properties - * as if they were really used for DMA - which means - * data must be written back to RAM. Note that - * we don't use dmac_flush_range() here for the - * bidirectional case because we know the cache - * lines will be coherent with the data written. + * Since we may have written to a page cache page, + * we need to ensure that the data will be coherent + * with user mappings. */ - dmac_clean_range(ptr, ptr + size); - outer_clean_range(__pa(ptr), __pa(ptr) + size); + __cpuc_flush_kernel_dcache_area(ptr, size); } free_safe_buffer(dev->archdata.dmabounce, buf); } diff --git a/arch/arm/include/asm/asm-offsets.h b/arch/arm/include/asm/asm-offsets.h new file mode 100644 index 00000000000..d370ee36a18 --- /dev/null +++ b/arch/arm/include/asm/asm-offsets.h @@ -0,0 +1 @@ +#include <generated/asm-offsets.h> diff --git a/arch/arm/include/asm/cacheflush.h b/arch/arm/include/asm/cacheflush.h index 73eceb87e58..730aefcfbee 100644 --- a/arch/arm/include/asm/cacheflush.h +++ b/arch/arm/include/asm/cacheflush.h @@ -211,7 +211,7 @@ struct cpu_cache_fns { void (*coherent_kern_range)(unsigned long, unsigned long); void (*coherent_user_range)(unsigned long, unsigned long); - void (*flush_kern_dcache_page)(void *); + void (*flush_kern_dcache_area)(void *, size_t); void (*dma_inv_range)(const void *, const void *); void (*dma_clean_range)(const void *, const void *); @@ -236,7 +236,7 @@ extern struct cpu_cache_fns cpu_cache; #define __cpuc_flush_user_range cpu_cache.flush_user_range #define __cpuc_coherent_kern_range cpu_cache.coherent_kern_range #define __cpuc_coherent_user_range cpu_cache.coherent_user_range -#define __cpuc_flush_dcache_page cpu_cache.flush_kern_dcache_page +#define __cpuc_flush_dcache_area cpu_cache.flush_kern_dcache_area /* * These are private to the dma-mapping API. Do not use directly. @@ -255,14 +255,14 @@ extern struct cpu_cache_fns cpu_cache; #define __cpuc_flush_user_range __glue(_CACHE,_flush_user_cache_range) #define __cpuc_coherent_kern_range __glue(_CACHE,_coherent_kern_range) #define __cpuc_coherent_user_range __glue(_CACHE,_coherent_user_range) -#define __cpuc_flush_dcache_page __glue(_CACHE,_flush_kern_dcache_page) +#define __cpuc_flush_dcache_area __glue(_CACHE,_flush_kern_dcache_area) extern void __cpuc_flush_kern_all(void); extern void __cpuc_flush_user_all(void); extern void __cpuc_flush_user_range(unsigned long, unsigned long, unsigned int); extern void __cpuc_coherent_kern_range(unsigned long, unsigned long); extern void __cpuc_coherent_user_range(unsigned long, unsigned long); -extern void __cpuc_flush_dcache_page(void *); +extern void __cpuc_flush_dcache_area(void *, size_t); /* * These are private to the dma-mapping API. Do not use directly. @@ -448,7 +448,7 @@ static inline void flush_kernel_dcache_page(struct page *page) { /* highmem pages are always flushed upon kunmap already */ if ((cache_is_vivt() || cache_is_vipt_aliasing()) && !PageHighMem(page)) - __cpuc_flush_dcache_page(page_address(page)); + __cpuc_flush_dcache_area(page_address(page), PAGE_SIZE); } #define flush_dcache_mmap_lock(mapping) \ @@ -465,13 +465,6 @@ static inline void flush_kernel_dcache_page(struct page *page) */ #define flush_icache_page(vma,page) do { } while (0) -static inline void flush_ioremap_region(unsigned long phys, void __iomem *virt, - unsigned offset, size_t size) -{ - const void *start = (void __force *)virt + offset; - dmac_inv_range(start, start + size); -} - /* * flush_cache_vmap() is used when creating mappings (eg, via vmap, * vmalloc, ioremap etc) in kernel space for pages. On non-VIPT diff --git a/arch/arm/include/asm/mach-types.h b/arch/arm/include/asm/mach-types.h new file mode 100644 index 00000000000..948178cc6ba --- /dev/null +++ b/arch/arm/include/asm/mach-types.h @@ -0,0 +1 @@ +#include <generated/mach-types.h> diff --git a/arch/arm/mach-kirkwood/Kconfig b/arch/arm/mach-kirkwood/Kconfig index 8bf09ae5b34..f6c6196a51f 100644 --- a/arch/arm/mach-kirkwood/Kconfig +++ b/arch/arm/mach-kirkwood/Kconfig @@ -52,6 +52,12 @@ config MACH_OPENRD_BASE Say 'Y' here if you want your kernel to support the Marvell OpenRD Base Board. +config MACH_NETSPACE_V2 + bool "LaCie Network Space v2 NAS Board" + help + Say 'Y' here if you want your kernel to support the + LaCie Network Space v2 NAS. + endmenu endif diff --git a/arch/arm/mach-kirkwood/Makefile b/arch/arm/mach-kirkwood/Makefile index 9f2f67b2b63..d4d7f53b0fb 100644 --- a/arch/arm/mach-kirkwood/Makefile +++ b/arch/arm/mach-kirkwood/Makefile @@ -8,5 +8,6 @@ obj-$(CONFIG_MACH_SHEEVAPLUG) += sheevaplug-setup.o obj-$(CONFIG_MACH_TS219) += ts219-setup.o tsx1x-common.o obj-$(CONFIG_MACH_TS41X) += ts41x-setup.o tsx1x-common.o obj-$(CONFIG_MACH_OPENRD_BASE) += openrd_base-setup.o +obj-$(CONFIG_MACH_NETSPACE_V2) += netspace_v2-setup.o obj-$(CONFIG_CPU_IDLE) += cpuidle.o diff --git a/arch/arm/mach-kirkwood/netspace_v2-setup.c b/arch/arm/mach-kirkwood/netspace_v2-setup.c new file mode 100644 index 00000000000..9a064065beb --- /dev/null +++ b/arch/arm/mach-kirkwood/netspace_v2-setup.c @@ -0,0 +1,325 @@ +/* + * arch/arm/mach-kirkwood/netspace_v2-setup.c + * + * LaCie Network Space v2 board setup + * + * Copyright (C) 2009 Simon Guinot <sguinot@lacie.com> + * Copyright (C) 2009 Benoît Canet <benoit.canet@gmail.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/mtd/physmap.h> +#include <linux/spi/flash.h> +#include <linux/spi/spi.h> +#include <linux/ata_platform.h> +#include <linux/mv643xx_eth.h> +#include <linux/i2c.h> +#include <linux/i2c/at24.h> +#include <linux/input.h> +#include <linux/gpio.h> +#include <linux/gpio_keys.h> +#include <linux/leds.h> +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <asm/mach/time.h> +#include <mach/kirkwood.h> +#include <plat/time.h> +#include "common.h" +#include "mpp.h" + +/***************************************************************************** + * 512KB SPI Flash on Boot Device (MACRONIX MX25L4005) + ****************************************************************************/ + +static struct mtd_partition netspace_v2_flash_parts[] = { + { + .name = "u-boot", + .size = MTDPART_SIZ_FULL, + .offset = 0, + .mask_flags = MTD_WRITEABLE, /* force read-only */ + }, +}; + +static const struct flash_platform_data netspace_v2_flash = { + .type = "mx25l4005a", + .name = "spi_flash", + .parts = netspace_v2_flash_parts, + .nr_parts = ARRAY_SIZE(netspace_v2_flash_parts), +}; + +static struct spi_board_info __initdata netspace_v2_spi_slave_info[] = { + { + .modalias = "m25p80", + .platform_data = &netspace_v2_flash, + .irq = -1, + .max_speed_hz = 20000000, + .bus_num = 0, + .chip_select = 0, + }, +}; + +/***************************************************************************** + * Ethernet + ****************************************************************************/ + +static struct mv643xx_eth_platform_data netspace_v2_ge00_data = { + .phy_addr = MV643XX_ETH_PHY_ADDR(8), +}; + +/***************************************************************************** + * I2C devices + ****************************************************************************/ + +static struct at24_platform_data at24c04 = { + .byte_len = SZ_4K / 8, + .page_size = 16, +}; + +/* + * i2c addr | chip | description + * 0x50 | HT24LC04 | eeprom (512B) + */ + +static struct i2c_board_info __initdata netspace_v2_i2c_info[] = { + { + I2C_BOARD_INFO("24c04", 0x50), + .platform_data = &at24c04, + } +}; + +/***************************************************************************** + * SATA + ****************************************************************************/ + +static struct mv_sata_platform_data netspace_v2_sata_data = { + .n_ports = 2, +}; + +#define NETSPACE_V2_GPIO_SATA0_POWER 16 +#define NETSPACE_V2_GPIO_SATA1_POWER 17 + +static void __init netspace_v2_sata_power_init(void) +{ + int err; + + err = gpio_request(NETSPACE_V2_GPIO_SATA0_POWER, "SATA0 power"); + if (err == 0) { + err = gpio_direction_output(NETSPACE_V2_GPIO_SATA0_POWER, 1); + if (err) + gpio_free(NETSPACE_V2_GPIO_SATA0_POWER); + } + if (err) + pr_err("netspace_v2: failed to setup SATA0 power\n"); +} + +/***************************************************************************** + * GPIO keys + ****************************************************************************/ + +#define NETSPACE_V2_PUSH_BUTTON 32 + +static struct gpio_keys_button netspace_v2_buttons[] = { + [0] = { + .code = KEY_POWER, + .gpio = NETSPACE_V2_PUSH_BUTTON, + .desc = "Power push button", + .active_low = 0, + }, +}; + +static struct gpio_keys_platform_data netspace_v2_button_data = { + .buttons = netspace_v2_buttons, + .nbuttons = ARRAY_SIZE(netspace_v2_buttons), +}; + +static struct platform_device netspace_v2_gpio_buttons = { + .name = "gpio-keys", + .id = -1, + .dev = { + .platform_data = &netspace_v2_button_data, + }, +}; + +/***************************************************************************** + * GPIO LEDs + ****************************************************************************/ + +/* + * The blue front LED is wired to a CPLD and can blink in relation with the + * SATA activity. + * + * The following array detail the different LED registers and the combination + * of their possible values: + * + * cmd_led | slow_led | /SATA active | LED state + * | | | + * 1 | 0 | x | off + * - | 1 | x | on + * 0 | 0 | 1 | on + * 0 | 0 | 0 | blink (rate 300ms) + */ + +#define NETSPACE_V2_GPIO_RED_LED 12 +#define NETSPACE_V2_GPIO_BLUE_LED_SLOW 29 +#define NETSPACE_V2_GPIO_BLUE_LED_CMD 30 + + +static struct gpio_led netspace_v2_gpio_led_pins[] = { + { + .name = "ns_v2:red:fail", + .gpio = NETSPACE_V2_GPIO_RED_LED, + }, +}; + +static struct gpio_led_platform_data netspace_v2_gpio_leds_data = { + .num_leds = ARRAY_SIZE(netspace_v2_gpio_led_pins), + .leds = netspace_v2_gpio_led_pins, +}; + +static struct platform_device netspace_v2_gpio_leds = { + .name = "leds-gpio", + .id = -1, + .dev = { + .platform_data = &netspace_v2_gpio_leds_data, + }, +}; + +static void __init netspace_v2_gpio_leds_init(void) +{ + platform_device_register(&netspace_v2_gpio_leds); + + /* + * Configure the front blue LED to blink in relation with the SATA + * activity. + */ + if (gpio_request(NETSPACE_V2_GPIO_BLUE_LED_SLOW, + "SATA blue LED slow") != 0) + return; + if (gpio_direction_output(NETSPACE_V2_GPIO_BLUE_LED_SLOW, 0) != 0) + goto err_free_1; + if (gpio_request(NETSPACE_V2_GPIO_BLUE_LED_CMD, + "SATA blue LED command") != 0) + goto err_free_1; + if (gpio_direction_output(NETSPACE_V2_GPIO_BLUE_LED_CMD, 0) != 0) + goto err_free_2; + + return; + +err_free_2: + gpio_free(NETSPACE_V2_GPIO_BLUE_LED_CMD); +err_free_1: + gpio_free(NETSPACE_V2_GPIO_BLUE_LED_SLOW); + pr_err("netspace_v2: failed to configure SATA blue LED\n"); +} + +/***************************************************************************** + * Timer + ****************************************************************************/ + +static void netspace_v2_timer_init(void) +{ + kirkwood_tclk = 166666667; + orion_time_init(IRQ_KIRKWOOD_BRIDGE, kirkwood_tclk); +} + +struct sys_timer netspace_v2_timer = { + .init = netspace_v2_timer_init, +}; + +/***************************************************************************** + * General Setup + ****************************************************************************/ + +static unsigned int netspace_v2_mpp_config[] __initdata = { + MPP0_SPI_SCn, + MPP1_SPI_MOSI, + MPP2_SPI_SCK, + MPP3_SPI_MISO, + MPP4_NF_IO6, + MPP5_NF_IO7, + MPP6_SYSRST_OUTn, + MPP8_TW_SDA, + MPP9_TW_SCK, + MPP10_UART0_TXD, + MPP11_UART0_RXD, + MPP12_GPO, /* Red led */ + MPP14_GPIO, /* USB fuse */ + MPP16_GPIO, /* SATA 0 power */ + MPP18_NF_IO0, + MPP19_NF_IO1, + MPP20_SATA1_ACTn, + MPP21_SATA0_ACTn, + MPP24_GPIO, /* USB mode select */ + MPP25_GPIO, /* Fan rotation fail */ + MPP26_GPIO, /* USB device vbus */ + MPP28_GPIO, /* USB enable host vbus */ + MPP29_GPIO, /* Blue led (slow register) */ + MPP30_GPIO, /* Blue led (command register) */ + MPP31_GPIO, /* Board power off */ + MPP32_GPIO, /* Power button (0 = Released, 1 = Pushed) */ + 0 +}; + +#define NETSPACE_V2_GPIO_POWER_OFF 31 + +static void netspace_v2_power_off(void) +{ + gpio_set_value(NETSPACE_V2_GPIO_POWER_OFF, 1); +} + +static void __init netspace_v2_init(void) +{ + /* + * Basic setup. Needs to be called early. + */ + kirkwood_init(); + kirkwood_mpp_conf(netspace_v2_mpp_config); + + netspace_v2_sata_power_init(); + + kirkwood_ehci_init(); + kirkwood_ge00_init(&netspace_v2_ge00_data); + kirkwood_sata_init(&netspace_v2_sata_data); + kirkwood_uart0_init(); + spi_register_board_info(netspace_v2_spi_slave_info, + ARRAY_SIZE(netspace_v2_spi_slave_info)); + kirkwood_spi_init(); + kirkwood_i2c_init(); + i2c_register_board_info(0, netspace_v2_i2c_info, + ARRAY_SIZE(netspace_v2_i2c_info)); + + netspace_v2_gpio_leds_init(); + platform_device_register(&netspace_v2_gpio_buttons); + + if (gpio_request(NETSPACE_V2_GPIO_POWER_OFF, "power-off") == 0 && + gpio_direction_output(NETSPACE_V2_GPIO_POWER_OFF, 0) == 0) + pm_power_off = netspace_v2_power_off; + else + pr_err("netspace_v2: failed to configure power-off GPIO\n"); +} + +MACHINE_START(NETSPACE_V2, "LaCie Network Space v2") + .phys_io = KIRKWOOD_REGS_PHYS_BASE, + .io_pg_offst = ((KIRKWOOD_REGS_VIRT_BASE) >> 18) & 0xfffc, + .boot_params = 0x00000100, + .init_machine = netspace_v2_init, + .map_io = kirkwood_map_io, + .init_irq = kirkwood_init_irq, + .timer = &netspace_v2_timer, +MACHINE_END diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig index 76c11ee113e..10eafa70a90 100644 --- a/arch/arm/mach-omap2/Kconfig +++ b/arch/arm/mach-omap2/Kconfig @@ -18,6 +18,7 @@ config ARCH_OMAP2430 config ARCH_OMAP34XX bool "OMAP34xx Based System" depends on ARCH_OMAP3 + select USB_ARCH_HAS_EHCI config ARCH_OMAP3430 bool "OMAP3430 support" diff --git a/arch/arm/mach-omap2/board-cm-t35.c b/arch/arm/mach-omap2/board-cm-t35.c index 1591aae6450..2626a9f8a73 100644 --- a/arch/arm/mach-omap2/board-cm-t35.c +++ b/arch/arm/mach-omap2/board-cm-t35.c @@ -29,7 +29,7 @@ #include <linux/gpio.h> #include <linux/i2c/at24.h> -#include <linux/i2c/twl4030.h> +#include <linux/i2c/twl.h> #include <linux/regulator/machine.h> #include <asm/mach-types.h> diff --git a/arch/arm/mach-omap2/board-igep0020.c b/arch/arm/mach-omap2/board-igep0020.c index 44239e3ec02..117b8fd7e3a 100644 --- a/arch/arm/mach-omap2/board-igep0020.c +++ b/arch/arm/mach-omap2/board-igep0020.c @@ -19,7 +19,7 @@ #include <linux/interrupt.h> #include <linux/regulator/machine.h> -#include <linux/i2c/twl4030.h> +#include <linux/i2c/twl.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> diff --git a/arch/arm/mach-omap2/board-omap3evm.c b/arch/arm/mach-omap2/board-omap3evm.c index 18913e96e34..34de1785157 100644 --- a/arch/arm/mach-omap2/board-omap3evm.c +++ b/arch/arm/mach-omap2/board-omap3evm.c @@ -26,7 +26,7 @@ #include <linux/spi/spi.h> #include <linux/spi/ads7846.h> -#include <linux/i2c/twl4030.h> +#include <linux/i2c/twl.h> #include <linux/usb/otg.h> #include <linux/smsc911x.h> diff --git a/arch/arm/mach-omap2/board-omap3touchbook.c b/arch/arm/mach-omap2/board-omap3touchbook.c index c9e5ebb4d91..fe3d22cb245 100644 --- a/arch/arm/mach-omap2/board-omap3touchbook.c +++ b/arch/arm/mach-omap2/board-omap3touchbook.c @@ -34,7 +34,7 @@ #include <linux/spi/ads7846.h> #include <linux/regulator/machine.h> -#include <linux/i2c/twl4030.h> +#include <linux/i2c/twl.h> #include <mach/hardware.h> #include <asm/mach-types.h> diff --git a/arch/arm/mach-omap2/board-rx51-peripherals.c b/arch/arm/mach-omap2/board-rx51-peripherals.c index 17f3c91231d..acafdbc8aa1 100644 --- a/arch/arm/mach-omap2/board-rx51-peripherals.c +++ b/arch/arm/mach-omap2/board-rx51-peripherals.c @@ -16,7 +16,7 @@ #include <linux/spi/spi.h> #include <linux/spi/wl12xx.h> #include <linux/i2c.h> -#include <linux/i2c/twl4030.h> +#include <linux/i2c/twl.h> #include <linux/clk.h> #include <linux/delay.h> #include <linux/regulator/machine.h> diff --git a/arch/arm/mach-omap2/board-zoom-peripherals.c b/arch/arm/mach-omap2/board-zoom-peripherals.c index 258794db488..8dd277c3666 100755 --- a/arch/arm/mach-omap2/board-zoom-peripherals.c +++ b/arch/arm/mach-omap2/board-zoom-peripherals.c @@ -14,7 +14,7 @@ #include <linux/input.h> #include <linux/input/matrix_keypad.h> #include <linux/gpio.h> -#include <linux/i2c/twl4030.h> +#include <linux/i2c/twl.h> #include <linux/regulator/machine.h> #include <asm/mach-types.h> diff --git a/arch/arm/mach-omap2/serial.c b/arch/arm/mach-omap2/serial.c index 39b797bc14d..19805a7de06 100644 --- a/arch/arm/mach-omap2/serial.c +++ b/arch/arm/mach-omap2/serial.c @@ -640,12 +640,9 @@ void __init omap_serial_early_init(void) uart->num = i; p->private_data = uart; uart->p = p; - list_add_tail(&uart->node, &uart_list); if (cpu_is_omap44xx()) p->irq += 32; - - omap_uart_enable_clocks(uart); } } @@ -673,9 +670,13 @@ void __init omap_serial_init_port(int port) pdev = &uart->pdev; dev = &pdev->dev; + omap_uart_enable_clocks(uart); + omap_uart_reset(uart); omap_uart_idle_init(uart); + list_add_tail(&uart->node, &uart_list); + if (WARN_ON(platform_device_register(pdev))) return; diff --git a/arch/arm/mach-pxa/Kconfig b/arch/arm/mach-pxa/Kconfig index e6d8e10ae5d..8a0837ea029 100644 --- a/arch/arm/mach-pxa/Kconfig +++ b/arch/arm/mach-pxa/Kconfig @@ -110,6 +110,8 @@ config MACH_CM_X300 bool "CompuLab CM-X300 modules" select PXA3xx select CPU_PXA300 + select CPU_PXA310 + select HAVE_PWM config ARCH_GUMSTIX bool "Gumstix XScale 255 boards" @@ -240,7 +242,6 @@ config MACH_COLIBRI300 select PXA3xx select CPU_PXA300 select CPU_PXA310 - select HAVE_PWM config MACH_COLIBRI320 bool "Toradex Colibri PXA320" diff --git a/arch/arm/mach-pxa/devices.c b/arch/arm/mach-pxa/devices.c index 3395463bb5a..8e10db148f1 100644 --- a/arch/arm/mach-pxa/devices.c +++ b/arch/arm/mach-pxa/devices.c @@ -4,7 +4,6 @@ #include <linux/platform_device.h> #include <linux/dma-mapping.h> -#include <mach/hardware.h> #include <mach/udc.h> #include <mach/pxafb.h> #include <mach/mmc.h> @@ -14,6 +13,7 @@ #include <mach/pxa2xx_spi.h> #include <mach/camera.h> #include <mach/audio.h> +#include <mach/hardware.h> #include <plat/i2c.h> #include <plat/pxa3xx_nand.h> diff --git a/arch/arm/mach-s3c2410/include/mach/spi.h b/arch/arm/mach-s3c2410/include/mach/spi.h index 193b39d654e..4d9588373aa 100644 --- a/arch/arm/mach-s3c2410/include/mach/spi.h +++ b/arch/arm/mach-s3c2410/include/mach/spi.h @@ -18,6 +18,8 @@ struct s3c2410_spi_info { unsigned int num_cs; /* total chipselects */ int bus_num; /* bus number to use. */ + unsigned int use_fiq:1; /* use fiq */ + void (*gpio_setup)(struct s3c2410_spi_info *spi, int enable); void (*set_cs)(struct s3c2410_spi_info *spi, int cs, int pol); }; diff --git a/arch/arm/mm/cache-fa.S b/arch/arm/mm/cache-fa.S index b63a8f7b95c..a89444a3c01 100644 --- a/arch/arm/mm/cache-fa.S +++ b/arch/arm/mm/cache-fa.S @@ -127,15 +127,16 @@ ENTRY(fa_coherent_user_range) mov pc, lr /* - * flush_kern_dcache_page(kaddr) + * flush_kern_dcache_area(void *addr, size_t size) * * Ensure that the data held in the page kaddr is written back * to the page in question. * - * - kaddr - kernel address (guaranteed to be page aligned) + * - addr - kernel address + * - size - size of region */ -ENTRY(fa_flush_kern_dcache_page) - add r1, r0, #PAGE_SZ +ENTRY(fa_flush_kern_dcache_area) + add r1, r0, r1 1: mcr p15, 0, r0, c7, c14, 1 @ clean & invalidate D line add r0, r0, #CACHE_DLINESIZE cmp r0, r1 @@ -213,7 +214,7 @@ ENTRY(fa_cache_fns) .long fa_flush_user_cache_range .long fa_coherent_kern_range .long fa_coherent_user_range - .long fa_flush_kern_dcache_page + .long fa_flush_kern_dcache_area .long fa_dma_inv_range .long fa_dma_clean_range .long fa_dma_flush_range diff --git a/arch/arm/mm/cache-l2x0.c b/arch/arm/mm/cache-l2x0.c index 747f9a9021b..cb8fc6573b1 100644 --- a/arch/arm/mm/cache-l2x0.c +++ b/arch/arm/mm/cache-l2x0.c @@ -28,69 +28,120 @@ static void __iomem *l2x0_base; static DEFINE_SPINLOCK(l2x0_lock); -static inline void sync_writel(unsigned long val, unsigned long reg, - unsigned long complete_mask) +static inline void cache_wait(void __iomem *reg, unsigned long mask) { - unsigned long flags; - - spin_lock_irqsave(&l2x0_lock, flags); - writel(val, l2x0_base + reg); /* wait for the operation to complete */ - while (readl(l2x0_base + reg) & complete_mask) + while (readl(reg) & mask) ; - spin_unlock_irqrestore(&l2x0_lock, flags); } static inline void cache_sync(void) { - sync_writel(0, L2X0_CACHE_SYNC, 1); + void __iomem *base = l2x0_base; + writel(0, base + L2X0_CACHE_SYNC); + cache_wait(base + L2X0_CACHE_SYNC, 1); } static inline void l2x0_inv_all(void) { + unsigned long flags; + /* invalidate all ways */ - sync_writel(0xff, L2X0_INV_WAY, 0xff); + spin_lock_irqsave(&l2x0_lock, flags); + writel(0xff, l2x0_base + L2X0_INV_WAY); + cache_wait(l2x0_base + L2X0_INV_WAY, 0xff); cache_sync(); + spin_unlock_irqrestore(&l2x0_lock, flags); } static void l2x0_inv_range(unsigned long start, unsigned long end) { - unsigned long addr; + void __iomem *base = l2x0_base; + unsigned long flags; + spin_lock_irqsave(&l2x0_lock, flags); if (start & (CACHE_LINE_SIZE - 1)) { start &= ~(CACHE_LINE_SIZE - 1); - sync_writel(start, L2X0_CLEAN_INV_LINE_PA, 1); + cache_wait(base + L2X0_CLEAN_INV_LINE_PA, 1); + writel(start, base + L2X0_CLEAN_INV_LINE_PA); start += CACHE_LINE_SIZE; } if (end & (CACHE_LINE_SIZE - 1)) { end &= ~(CACHE_LINE_SIZE - 1); - sync_writel(end, L2X0_CLEAN_INV_LINE_PA, 1); + cache_wait(base + L2X0_CLEAN_INV_LINE_PA, 1); + writel(end, base + L2X0_CLEAN_INV_LINE_PA); } - for (addr = start; addr < end; addr += CACHE_LINE_SIZE) - sync_writel(addr, L2X0_INV_LINE_PA, 1); + while (start < end) { + unsigned long blk_end = start + min(end - start, 4096UL); + + while (start < blk_end) { + cache_wait(base + L2X0_INV_LINE_PA, 1); + writel(start, base + L2X0_INV_LINE_PA); + start += CACHE_LINE_SIZE; + } + + if (blk_end < end) { + spin_unlock_irqrestore(&l2x0_lock, flags); + spin_lock_irqsave(&l2x0_lock, flags); + } + } + cache_wait(base + L2X0_INV_LINE_PA, 1); cache_sync(); + spin_unlock_irqrestore(&l2x0_lock, flags); } static void l2x0_clean_range(unsigned long start, unsigned long end) { - unsigned long addr; + void __iomem *base = l2x0_base; + unsigned long flags; + spin_lock_irqsave(&l2x0_lock, flags); start &= ~(CACHE_LINE_SIZE - 1); - for (addr = start; addr < end; addr += CACHE_LINE_SIZE) - sync_writel(addr, L2X0_CLEAN_LINE_PA, 1); + while (start < end) { + unsigned long blk_end = start + min(end - start, 4096UL); + + while (start < blk_end) { + cache_wait(base + L2X0_CLEAN_LINE_PA, 1); + writel(start, base + L2X0_CLEAN_LINE_PA); + start += CACHE_LINE_SIZE; + } + + if (blk_end < end) { + spin_unlock_irqrestore(&l2x0_lock, flags); + spin_lock_irqsave(&l2x0_lock, flags); + } + } + cache_wait(base + L2X0_CLEAN_LINE_PA, 1); cache_sync(); + spin_unlock_irqrestore(&l2x0_lock, flags); } static void l2x0_flush_range(unsigned long start, unsigned long end) { - unsigned long addr; + void __iomem *base = l2x0_base; + unsigned long flags; + spin_lock_irqsave(&l2x0_lock, flags); start &= ~(CACHE_LINE_SIZE - 1); - for (addr = start; addr < end; addr += CACHE_LINE_SIZE) - sync_writel(addr, L2X0_CLEAN_INV_LINE_PA, 1); + while (start < end) { + unsigned long blk_end = start + min(end - start, 4096UL); + + while (start < blk_end) { + cache_wait(base + L2X0_CLEAN_INV_LINE_PA, 1); + writel(start, base + L2X0_CLEAN_INV_LINE_PA); + start += CACHE_LINE_SIZE; + } + + if (blk_end < end) { + spin_unlock_irqrestore(&l2x0_lock, flags); + spin_lock_irqsave(&l2x0_lock, flags); + } + } + cache_wait(base + L2X0_CLEAN_INV_LINE_PA, 1); cache_sync(); + spin_unlock_irqrestore(&l2x0_lock, flags); } void __init l2x0_init(void __iomem *base, __u32 aux_val, __u32 aux_mask) diff --git a/arch/arm/mm/cache-v3.S b/arch/arm/mm/cache-v3.S index 8a4abebc478..2a482731ea3 100644 --- a/arch/arm/mm/cache-v3.S +++ b/arch/arm/mm/cache-v3.S @@ -72,14 +72,15 @@ ENTRY(v3_coherent_user_range) mov pc, lr /* - * flush_kern_dcache_page(void *page) + * flush_kern_dcache_area(void *page, size_t size) * * Ensure no D cache aliasing occurs, either with itself or * the I cache * - * - addr - page aligned address + * - addr - kernel address + * - size - region size */ -ENTRY(v3_flush_kern_dcache_page) +ENTRY(v3_flush_kern_dcache_area) /* FALLTHROUGH */ /* @@ -129,7 +130,7 @@ ENTRY(v3_cache_fns) .long v3_flush_user_cache_range .long v3_coherent_kern_range .long v3_coherent_user_range - .long v3_flush_kern_dcache_page + .long v3_flush_kern_dcache_area .long v3_dma_inv_range .long v3_dma_clean_range .long v3_dma_flush_range diff --git a/arch/arm/mm/cache-v4.S b/arch/arm/mm/cache-v4.S index 3668611cb40..5c7da3e372e 100644 --- a/arch/arm/mm/cache-v4.S +++ b/arch/arm/mm/cache-v4.S @@ -82,14 +82,15 @@ ENTRY(v4_coherent_user_range) mov pc, lr /* - * flush_kern_dcache_page(void *page) + * flush_kern_dcache_area(void *addr, size_t size) * * Ensure no D cache aliasing occurs, either with itself or * the I cache * - * - addr - page aligned address + * - addr - kernel address + * - size - region size */ -ENTRY(v4_flush_kern_dcache_page) +ENTRY(v4_flush_kern_dcache_area) /* FALLTHROUGH */ /* @@ -141,7 +142,7 @@ ENTRY(v4_cache_fns) .long v4_flush_user_cache_range .long v4_coherent_kern_range .long v4_coherent_user_range - .long v4_flush_kern_dcache_page + .long v4_flush_kern_dcache_area .long v4_dma_inv_range .long v4_dma_clean_range .long v4_dma_flush_range diff --git a/arch/arm/mm/cache-v4wb.S b/arch/arm/mm/cache-v4wb.S index 2ebc1b3bf85..3dbedf1ec0e 100644 --- a/arch/arm/mm/cache-v4wb.S +++ b/arch/arm/mm/cache-v4wb.S @@ -114,15 +114,16 @@ ENTRY(v4wb_flush_user_cache_range) mov pc, lr /* - * flush_kern_dcache_page(void *page) + * flush_kern_dcache_area(void *addr, size_t size) * * Ensure no D cache aliasing occurs, either with itself or * the I cache * - * - addr - page aligned address + * - addr - kernel address + * - size - region size */ -ENTRY(v4wb_flush_kern_dcache_page) - add r1, r0, #PAGE_SZ +ENTRY(v4wb_flush_kern_dcache_area) + add r1, r0, r1 /* fall through */ /* @@ -224,7 +225,7 @@ ENTRY(v4wb_cache_fns) .long v4wb_flush_user_cache_range .long v4wb_coherent_kern_range .long v4wb_coherent_user_range - .long v4wb_flush_kern_dcache_page + .long v4wb_flush_kern_dcache_area .long v4wb_dma_inv_range .long v4wb_dma_clean_range .long v4wb_dma_flush_range diff --git a/arch/arm/mm/cache-v4wt.S b/arch/arm/mm/cache-v4wt.S index c54fa2cc40e..b3b7410270b 100644 --- a/arch/arm/mm/cache-v4wt.S +++ b/arch/arm/mm/cache-v4wt.S @@ -117,17 +117,18 @@ ENTRY(v4wt_coherent_user_range) mov pc, lr /* - * flush_kern_dcache_page(void *page) + * flush_kern_dcache_area(void *addr, size_t size) * * Ensure no D cache aliasing occurs, either with itself or * the I cache * - * - addr - page aligned address + * - addr - kernel address + * - size - region size */ -ENTRY(v4wt_flush_kern_dcache_page) +ENTRY(v4wt_flush_kern_dcache_area) mov r2, #0 mcr p15, 0, r2, c7, c5, 0 @ invalidate I cache - add r1, r0, #PAGE_SZ + add r1, r0, r1 /* fallthrough */ /* @@ -180,7 +181,7 @@ ENTRY(v4wt_cache_fns) .long v4wt_flush_user_cache_range .long v4wt_coherent_kern_range .long v4wt_coherent_user_range - .long v4wt_flush_kern_dcache_page + .long v4wt_flush_kern_dcache_area .long v4wt_dma_inv_range .long v4wt_dma_clean_range .long v4wt_dma_flush_range diff --git a/arch/arm/mm/cache-v6.S b/arch/arm/mm/cache-v6.S index 295e25dd638..4ba0a24ce6f 100644 --- a/arch/arm/mm/cache-v6.S +++ b/arch/arm/mm/cache-v6.S @@ -159,15 +159,16 @@ ENDPROC(v6_coherent_user_range) ENDPROC(v6_coherent_kern_range) /* - * v6_flush_kern_dcache_page(kaddr) + * v6_flush_kern_dcache_area(void *addr, size_t size) * * Ensure that the data held in the page kaddr is written back * to the page in question. * - * - kaddr - kernel address (guaranteed to be page aligned) + * - addr - kernel address + * - size - region size */ -ENTRY(v6_flush_kern_dcache_page) - add r1, r0, #PAGE_SZ +ENTRY(v6_flush_kern_dcache_area) + add r1, r0, r1 1: #ifdef HARVARD_CACHE mcr p15, 0, r0, c7, c14, 1 @ clean & invalidate D line @@ -271,7 +272,7 @@ ENTRY(v6_cache_fns) .long v6_flush_user_cache_range .long v6_coherent_kern_range .long v6_coherent_user_range - .long v6_flush_kern_dcache_page + .long v6_flush_kern_dcache_area .long v6_dma_inv_range .long v6_dma_clean_range .long v6_dma_flush_range diff --git a/arch/arm/mm/cache-v7.S b/arch/arm/mm/cache-v7.S index e1bd9759617..9073db849fb 100644 --- a/arch/arm/mm/cache-v7.S +++ b/arch/arm/mm/cache-v7.S @@ -186,16 +186,17 @@ ENDPROC(v7_coherent_kern_range) ENDPROC(v7_coherent_user_range) /* - * v7_flush_kern_dcache_page(kaddr) + * v7_flush_kern_dcache_area(void *addr, size_t size) * * Ensure that the data held in the page kaddr is written back * to the page in question. * - * - kaddr - kernel address (guaranteed to be page aligned) + * - addr - kernel address + * - size - region size */ -ENTRY(v7_flush_kern_dcache_page) +ENTRY(v7_flush_kern_dcache_area) dcache_line_size r2, r3 - add r1, r0, #PAGE_SZ + add r1, r0, r1 1: mcr p15, 0, r0, c7, c14, 1 @ clean & invalidate D line / unified line add r0, r0, r2 @@ -203,7 +204,7 @@ ENTRY(v7_flush_kern_dcache_page) blo 1b dsb mov pc, lr -ENDPROC(v7_flush_kern_dcache_page) +ENDPROC(v7_flush_kern_dcache_area) /* * v7_dma_inv_range(start,end) @@ -279,7 +280,7 @@ ENTRY(v7_cache_fns) .long v7_flush_user_cache_range .long v7_coherent_kern_range .long v7_coherent_user_range - .long v7_flush_kern_dcache_page + .long v7_flush_kern_dcache_area .long v7_dma_inv_range .long v7_dma_clean_range .long v7_dma_flush_range diff --git a/arch/arm/mm/flush.c b/arch/arm/mm/flush.c index 329594e760c..6f3a4b7a3b8 100644 --- a/arch/arm/mm/flush.c +++ b/arch/arm/mm/flush.c @@ -131,7 +131,7 @@ void __flush_dcache_page(struct address_space *mapping, struct page *page) */ if (addr) #endif - __cpuc_flush_dcache_page(addr); + __cpuc_flush_dcache_area(addr, PAGE_SIZE); /* * If this is a page cache page, and we have an aliasing VIPT cache, @@ -258,5 +258,5 @@ void __flush_anon_page(struct vm_area_struct *vma, struct page *page, unsigned l * in this mapping of the page. FIXME: this is overkill * since we actually ask for a write-back and invalidate. */ - __cpuc_flush_dcache_page(page_address(page)); + __cpuc_flush_dcache_area(page_address(page), PAGE_SIZE); } diff --git a/arch/arm/mm/highmem.c b/arch/arm/mm/highmem.c index 30f82fb5918..2be1ec7c1b4 100644 --- a/arch/arm/mm/highmem.c +++ b/arch/arm/mm/highmem.c @@ -79,7 +79,7 @@ void kunmap_atomic(void *kvaddr, enum km_type type) unsigned int idx = type + KM_TYPE_NR * smp_processor_id(); if (kvaddr >= (void *)FIXADDR_START) { - __cpuc_flush_dcache_page((void *)vaddr); + __cpuc_flush_dcache_area((void *)vaddr, PAGE_SIZE); #ifdef CONFIG_DEBUG_HIGHMEM BUG_ON(vaddr != __fix_to_virt(FIX_KMAP_BEGIN + idx)); set_pte_ext(TOP_PTE(vaddr), __pte(0), 0); diff --git a/arch/arm/mm/nommu.c b/arch/arm/mm/nommu.c index 900811cc913..374a8311bc8 100644 --- a/arch/arm/mm/nommu.c +++ b/arch/arm/mm/nommu.c @@ -61,7 +61,7 @@ void setup_mm_for_reboot(char mode) void flush_dcache_page(struct page *page) { - __cpuc_flush_dcache_page(page_address(page)); + __cpuc_flush_dcache_area(page_address(page), PAGE_SIZE); } EXPORT_SYMBOL(flush_dcache_page); diff --git a/arch/arm/mm/proc-arm1020.S b/arch/arm/mm/proc-arm1020.S index d9fb4b98c49..8012e24282b 100644 --- a/arch/arm/mm/proc-arm1020.S +++ b/arch/arm/mm/proc-arm1020.S @@ -231,17 +231,18 @@ ENTRY(arm1020_coherent_user_range) mov pc, lr /* - * flush_kern_dcache_page(void *page) + * flush_kern_dcache_area(void *addr, size_t size) * * Ensure no D cache aliasing occurs, either with itself or * the I cache * - * - page - page aligned address + * - addr - kernel address + * - size - region size */ -ENTRY(arm1020_flush_kern_dcache_page) +ENTRY(arm1020_flush_kern_dcache_area) mov ip, #0 #ifndef CONFIG_CPU_DCACHE_DISABLE - add r1, r0, #PAGE_SZ + add r1, r0, r1 1: mcr p15, 0, r0, c7, c14, 1 @ clean+invalidate D entry mcr p15, 0, ip, c7, c10, 4 @ drain WB add r0, r0, #CACHE_DLINESIZE @@ -335,7 +336,7 @@ ENTRY(arm1020_cache_fns) .long arm1020_flush_user_cache_range .long arm1020_coherent_kern_range .long arm1020_coherent_user_range - .long arm1020_flush_kern_dcache_page + .long arm1020_flush_kern_dcache_area .long arm1020_dma_inv_range .long arm1020_dma_clean_range .long arm1020_dma_flush_range diff --git a/arch/arm/mm/proc-arm1020e.S b/arch/arm/mm/proc-arm1020e.S index 7453b75dcea..41fe25d234f 100644 --- a/arch/arm/mm/proc-arm1020e.S +++ b/arch/arm/mm/proc-arm1020e.S @@ -225,17 +225,18 @@ ENTRY(arm1020e_coherent_user_range) mov pc, lr /* - * flush_kern_dcache_page(void *page) + * flush_kern_dcache_area(void *addr, size_t size) * * Ensure no D cache aliasing occurs, either with itself or * the I cache * - * - page - page aligned address + * - addr - kernel address + * - size - region size */ -ENTRY(arm1020e_flush_kern_dcache_page) +ENTRY(arm1020e_flush_kern_dcache_area) mov ip, #0 #ifndef CONFIG_CPU_DCACHE_DISABLE - add r1, r0, #PAGE_SZ + add r1, r0, r1 1: mcr p15, 0, r0, c7, c14, 1 @ clean+invalidate D entry add r0, r0, #CACHE_DLINESIZE cmp r0, r1 @@ -321,7 +322,7 @@ ENTRY(arm1020e_cache_fns) .long arm1020e_flush_user_cache_range .long arm1020e_coherent_kern_range .long arm1020e_coherent_user_range - .long arm1020e_flush_kern_dcache_page + .long arm1020e_flush_kern_dcache_area .long arm1020e_dma_inv_range .long arm1020e_dma_clean_range .long arm1020e_dma_flush_range diff --git a/arch/arm/mm/proc-arm1022.S b/arch/arm/mm/proc-arm1022.S index 8eb72d75a8b..20a5b1b31a7 100644 --- a/arch/arm/mm/proc-arm1022.S +++ b/arch/arm/mm/proc-arm1022.S @@ -214,17 +214,18 @@ ENTRY(arm1022_coherent_user_range) mov pc, lr /* - * flush_kern_dcache_page(void *page) + * flush_kern_dcache_area(void *addr, size_t size) * * Ensure no D cache aliasing occurs, either with itself or * the I cache * - * - page - page aligned address + * - addr - kernel address + * - size - region size */ -ENTRY(arm1022_flush_kern_dcache_page) +ENTRY(arm1022_flush_kern_dcache_area) mov ip, #0 #ifndef CONFIG_CPU_DCACHE_DISABLE - add r1, r0, #PAGE_SZ + add r1, r0, r1 1: mcr p15, 0, r0, c7, c14, 1 @ clean+invalidate D entry add r0, r0, #CACHE_DLINESIZE cmp r0, r1 @@ -310,7 +311,7 @@ ENTRY(arm1022_cache_fns) .long arm1022_flush_user_cache_range .long arm1022_coherent_kern_range .long arm1022_coherent_user_range - .long arm1022_flush_kern_dcache_page + .long arm1022_flush_kern_dcache_area .long arm1022_dma_inv_range .long arm1022_dma_clean_range .long arm1022_dma_flush_range diff --git a/arch/arm/mm/proc-arm1026.S b/arch/arm/mm/proc-arm1026.S index 3b59f0d6713..96aedb10fcc 100644 --- a/arch/arm/mm/proc-arm1026.S +++ b/arch/arm/mm/proc-arm1026.S @@ -208,17 +208,18 @@ ENTRY(arm1026_coherent_user_range) mov pc, lr /* - * flush_kern_dcache_page(void *page) + * flush_kern_dcache_area(void *addr, size_t size) * * Ensure no D cache aliasing occurs, either with itself or * the I cache * - * - page - page aligned address + * - addr - kernel address + * - size - region size */ -ENTRY(arm1026_flush_kern_dcache_page) +ENTRY(arm1026_flush_kern_dcache_area) mov ip, #0 #ifndef CONFIG_CPU_DCACHE_DISABLE - add r1, r0, #PAGE_SZ + add r1, r0, r1 1: mcr p15, 0, r0, c7, c14, 1 @ clean+invalidate D entry add r0, r0, #CACHE_DLINESIZE cmp r0, r1 @@ -304,7 +305,7 @@ ENTRY(arm1026_cache_fns) .long arm1026_flush_user_cache_range .long arm1026_coherent_kern_range .long arm1026_coherent_user_range - .long arm1026_flush_kern_dcache_page + .long arm1026_flush_kern_dcache_area .long arm1026_dma_inv_range .long arm1026_dma_clean_range .long arm1026_dma_flush_range diff --git a/arch/arm/mm/proc-arm920.S b/arch/arm/mm/proc-arm920.S index 2b7c197cc58..471669e2d7c 100644 --- a/arch/arm/mm/proc-arm920.S +++ b/arch/arm/mm/proc-arm920.S @@ -207,15 +207,16 @@ ENTRY(arm920_coherent_user_range) mov pc, lr /* - * flush_kern_dcache_page(void *page) + * flush_kern_dcache_area(void *addr, size_t size) * * Ensure no D cache aliasing occurs, either with itself or * the I cache * - * - addr - page aligned address + * - addr - kernel address + * - size - region size */ -ENTRY(arm920_flush_kern_dcache_page) - add r1, r0, #PAGE_SZ +ENTRY(arm920_flush_kern_dcache_area) + add r1, r0, r1 1: mcr p15, 0, r0, c7, c14, 1 @ clean+invalidate D entry add r0, r0, #CACHE_DLINESIZE cmp r0, r1 @@ -293,7 +294,7 @@ ENTRY(arm920_cache_fns) .long arm920_flush_user_cache_range .long arm920_coherent_kern_range .long arm920_coherent_user_range - .long arm920_flush_kern_dcache_page + .long arm920_flush_kern_dcache_area .long arm920_dma_inv_range .long arm920_dma_clean_range .long arm920_dma_flush_range diff --git a/arch/arm/mm/proc-arm922.S b/arch/arm/mm/proc-arm922.S index 06a1aa4e339..ee111b00fa4 100644 --- a/arch/arm/mm/proc-arm922.S +++ b/arch/arm/mm/proc-arm922.S @@ -209,15 +209,16 @@ ENTRY(arm922_coherent_user_range) mov pc, lr /* - * flush_kern_dcache_page(void *page) + * flush_kern_dcache_area(void *addr, size_t size) * * Ensure no D cache aliasing occurs, either with itself or * the I cache * - * - addr - page aligned address + * - addr - kernel address + * - size - region size */ -ENTRY(arm922_flush_kern_dcache_page) - add r1, r0, #PAGE_SZ +ENTRY(arm922_flush_kern_dcache_area) + add r1, r0, r1 1: mcr p15, 0, r0, c7, c14, 1 @ clean+invalidate D entry add r0, r0, #CACHE_DLINESIZE cmp r0, r1 @@ -295,7 +296,7 @@ ENTRY(arm922_cache_fns) .long arm922_flush_user_cache_range .long arm922_coherent_kern_range .long arm922_coherent_user_range - .long arm922_flush_kern_dcache_page + .long arm922_flush_kern_dcache_area .long arm922_dma_inv_range .long arm922_dma_clean_range .long arm922_dma_flush_range diff --git a/arch/arm/mm/proc-arm925.S b/arch/arm/mm/proc-arm925.S index cb53435a85a..8deb5bde58e 100644 --- a/arch/arm/mm/proc-arm925.S +++ b/arch/arm/mm/proc-arm925.S @@ -251,15 +251,16 @@ ENTRY(arm925_coherent_user_range) mov pc, lr /* - * flush_kern_dcache_page(void *page) + * flush_kern_dcache_area(void *addr, size_t size) * * Ensure no D cache aliasing occurs, either with itself or * the I cache * - * - addr - page aligned address + * - addr - kernel address + * - size - region size */ -ENTRY(arm925_flush_kern_dcache_page) - add r1, r0, #PAGE_SZ +ENTRY(arm925_flush_kern_dcache_area) + add r1, r0, r1 1: mcr p15, 0, r0, c7, c14, 1 @ clean+invalidate D entry add r0, r0, #CACHE_DLINESIZE cmp r0, r1 @@ -346,7 +347,7 @@ ENTRY(arm925_cache_fns) .long arm925_flush_user_cache_range .long arm925_coherent_kern_range .long arm925_coherent_user_range - .long arm925_flush_kern_dcache_page + .long arm925_flush_kern_dcache_area .long arm925_dma_inv_range .long arm925_dma_clean_range .long arm925_dma_flush_range diff --git a/arch/arm/mm/proc-arm926.S b/arch/arm/mm/proc-arm926.S index 1c4848704bb..64db6e275a4 100644 --- a/arch/arm/mm/proc-arm926.S +++ b/arch/arm/mm/proc-arm926.S @@ -214,15 +214,16 @@ ENTRY(arm926_coherent_user_range) mov pc, lr /* - * flush_kern_dcache_page(void *page) + * flush_kern_dcache_area(void *addr, size_t size) * * Ensure no D cache aliasing occurs, either with itself or * the I cache * - * - addr - page aligned address + * - addr - kernel address + * - size - region size */ -ENTRY(arm926_flush_kern_dcache_page) - add r1, r0, #PAGE_SZ +ENTRY(arm926_flush_kern_dcache_area) + add r1, r0, r1 1: mcr p15, 0, r0, c7, c14, 1 @ clean+invalidate D entry add r0, r0, #CACHE_DLINESIZE cmp r0, r1 @@ -309,7 +310,7 @@ ENTRY(arm926_cache_fns) .long arm926_flush_user_cache_range .long arm926_coherent_kern_range .long arm926_coherent_user_range - .long arm926_flush_kern_dcache_page + .long arm926_flush_kern_dcache_area .long arm926_dma_inv_range .long arm926_dma_clean_range .long arm926_dma_flush_range diff --git a/arch/arm/mm/proc-arm940.S b/arch/arm/mm/proc-arm940.S index 5b0f8464c8f..8196b9f401f 100644 --- a/arch/arm/mm/proc-arm940.S +++ b/arch/arm/mm/proc-arm940.S @@ -141,14 +141,15 @@ ENTRY(arm940_coherent_user_range) /* FALLTHROUGH */ /* - * flush_kern_dcache_page(void *page) + * flush_kern_dcache_area(void *addr, size_t size) * * Ensure no D cache aliasing occurs, either with itself or * the I cache * - * - addr - page aligned address + * - addr - kernel address + * - size - region size */ -ENTRY(arm940_flush_kern_dcache_page) +ENTRY(arm940_flush_kern_dcache_area) mov ip, #0 mov r1, #(CACHE_DSEGMENTS - 1) << 4 @ 4 segments 1: orr r3, r1, #(CACHE_DENTRIES - 1) << 26 @ 64 entries @@ -238,7 +239,7 @@ ENTRY(arm940_cache_fns) .long arm940_flush_user_cache_range .long arm940_coherent_kern_range .long arm940_coherent_user_range - .long arm940_flush_kern_dcache_page + .long arm940_flush_kern_dcache_area .long arm940_dma_inv_range .long arm940_dma_clean_range .long arm940_dma_flush_range diff --git a/arch/arm/mm/proc-arm946.S b/arch/arm/mm/proc-arm946.S index 40c0449a139..9a951239c86 100644 --- a/arch/arm/mm/proc-arm946.S +++ b/arch/arm/mm/proc-arm946.S @@ -183,16 +183,17 @@ ENTRY(arm946_coherent_user_range) mov pc, lr /* - * flush_kern_dcache_page(void *page) + * flush_kern_dcache_area(void *addr, size_t size) * * Ensure no D cache aliasing occurs, either with itself or * the I cache * - * - addr - page aligned address + * - addr - kernel address + * - size - region size * (same as arm926) */ -ENTRY(arm946_flush_kern_dcache_page) - add r1, r0, #PAGE_SZ +ENTRY(arm946_flush_kern_dcache_area) + add r1, r0, r1 1: mcr p15, 0, r0, c7, c14, 1 @ clean+invalidate D entry add r0, r0, #CACHE_DLINESIZE cmp r0, r1 @@ -280,7 +281,7 @@ ENTRY(arm946_cache_fns) .long arm946_flush_user_cache_range .long arm946_coherent_kern_range .long arm946_coherent_user_range - .long arm946_flush_kern_dcache_page + .long arm946_flush_kern_dcache_area .long arm946_dma_inv_range .long arm946_dma_clean_range .long arm946_dma_flush_range diff --git a/arch/arm/mm/proc-feroceon.S b/arch/arm/mm/proc-feroceon.S index d0d7795200f..dbc39383e66 100644 --- a/arch/arm/mm/proc-feroceon.S +++ b/arch/arm/mm/proc-feroceon.S @@ -226,16 +226,17 @@ ENTRY(feroceon_coherent_user_range) mov pc, lr /* - * flush_kern_dcache_page(void *page) + * flush_kern_dcache_area(void *addr, size_t size) * * Ensure no D cache aliasing occurs, either with itself or * the I cache * - * - addr - page aligned address + * - addr - kernel address + * - size - region size */ .align 5 -ENTRY(feroceon_flush_kern_dcache_page) - add r1, r0, #PAGE_SZ +ENTRY(feroceon_flush_kern_dcache_area) + add r1, r0, r1 1: mcr p15, 0, r0, c7, c14, 1 @ clean+invalidate D entry add r0, r0, #CACHE_DLINESIZE cmp r0, r1 @@ -246,7 +247,7 @@ ENTRY(feroceon_flush_kern_dcache_page) mov pc, lr .align 5 -ENTRY(feroceon_range_flush_kern_dcache_page) +ENTRY(feroceon_range_flush_kern_dcache_area) mrs r2, cpsr add r1, r0, #PAGE_SZ - CACHE_DLINESIZE @ top addr is inclusive orr r3, r2, #PSR_I_BIT @@ -372,7 +373,7 @@ ENTRY(feroceon_cache_fns) .long feroceon_flush_user_cache_range .long feroceon_coherent_kern_range .long feroceon_coherent_user_range - .long feroceon_flush_kern_dcache_page + .long feroceon_flush_kern_dcache_area .long feroceon_dma_inv_range .long feroceon_dma_clean_range .long feroceon_dma_flush_range @@ -383,7 +384,7 @@ ENTRY(feroceon_range_cache_fns) .long feroceon_flush_user_cache_range .long feroceon_coherent_kern_range .long feroceon_coherent_user_range - .long feroceon_range_flush_kern_dcache_page + .long feroceon_range_flush_kern_dcache_area .long feroceon_range_dma_inv_range .long feroceon_range_dma_clean_range .long feroceon_range_dma_flush_range diff --git a/arch/arm/mm/proc-mohawk.S b/arch/arm/mm/proc-mohawk.S index 52b5fd74fbb..9674d36cc97 100644 --- a/arch/arm/mm/proc-mohawk.S +++ b/arch/arm/mm/proc-mohawk.S @@ -186,15 +186,16 @@ ENTRY(mohawk_coherent_user_range) mov pc, lr /* - * flush_kern_dcache_page(void *page) + * flush_kern_dcache_area(void *addr, size_t size) * * Ensure no D cache aliasing occurs, either with itself or * the I cache * - * - addr - page aligned address + * - addr - kernel address + * - size - region size */ -ENTRY(mohawk_flush_kern_dcache_page) - add r1, r0, #PAGE_SZ +ENTRY(mohawk_flush_kern_dcache_area) + add r1, r0, r1 1: mcr p15, 0, r0, c7, c14, 1 @ clean+invalidate D entry add r0, r0, #CACHE_DLINESIZE cmp r0, r1 @@ -273,7 +274,7 @@ ENTRY(mohawk_cache_fns) .long mohawk_flush_user_cache_range .long mohawk_coherent_kern_range .long mohawk_coherent_user_range - .long mohawk_flush_kern_dcache_page + .long mohawk_flush_kern_dcache_area .long mohawk_dma_inv_range .long mohawk_dma_clean_range .long mohawk_dma_flush_range diff --git a/arch/arm/mm/proc-syms.c b/arch/arm/mm/proc-syms.c index ac5c80062b7..3e6210b4d6d 100644 --- a/arch/arm/mm/proc-syms.c +++ b/arch/arm/mm/proc-syms.c @@ -27,8 +27,7 @@ EXPORT_SYMBOL(__cpuc_flush_kern_all); EXPORT_SYMBOL(__cpuc_flush_user_all); EXPORT_SYMBOL(__cpuc_flush_user_range); EXPORT_SYMBOL(__cpuc_coherent_kern_range); -EXPORT_SYMBOL(__cpuc_flush_dcache_page); -EXPORT_SYMBOL(dmac_inv_range); /* because of flush_ioremap_region() */ +EXPORT_SYMBOL(__cpuc_flush_dcache_area); #else EXPORT_SYMBOL(cpu_cache); #endif diff --git a/arch/arm/mm/proc-v6.S b/arch/arm/mm/proc-v6.S index 5485c821101..395cc90c661 100644 --- a/arch/arm/mm/proc-v6.S +++ b/arch/arm/mm/proc-v6.S @@ -254,10 +254,9 @@ __pj4_v6_proc_info: .long 0x560f5810 .long 0xff0ffff0 .long PMD_TYPE_SECT | \ - PMD_SECT_BUFFERABLE | \ - PMD_SECT_CACHEABLE | \ PMD_SECT_AP_WRITE | \ - PMD_SECT_AP_READ + PMD_SECT_AP_READ | \ + PMD_FLAGS .long PMD_TYPE_SECT | \ PMD_SECT_XN | \ PMD_SECT_AP_WRITE | \ diff --git a/arch/arm/mm/proc-xsc3.S b/arch/arm/mm/proc-xsc3.S index fab134e2982..96456f54879 100644 --- a/arch/arm/mm/proc-xsc3.S +++ b/arch/arm/mm/proc-xsc3.S @@ -226,15 +226,16 @@ ENTRY(xsc3_coherent_user_range) mov pc, lr /* - * flush_kern_dcache_page(void *page) + * flush_kern_dcache_area(void *addr, size_t size) * * Ensure no D cache aliasing occurs, either with itself or * the I cache. * - * - addr - page aligned address + * - addr - kernel address + * - size - region size */ -ENTRY(xsc3_flush_kern_dcache_page) - add r1, r0, #PAGE_SZ +ENTRY(xsc3_flush_kern_dcache_area) + add r1, r0, r1 1: mcr p15, 0, r0, c7, c14, 1 @ clean/invalidate L1 D line add r0, r0, #CACHELINESIZE cmp r0, r1 @@ -309,7 +310,7 @@ ENTRY(xsc3_cache_fns) .long xsc3_flush_user_cache_range .long xsc3_coherent_kern_range .long xsc3_coherent_user_range - .long xsc3_flush_kern_dcache_page + .long xsc3_flush_kern_dcache_area .long xsc3_dma_inv_range .long xsc3_dma_clean_range .long xsc3_dma_flush_range diff --git a/arch/arm/mm/proc-xscale.S b/arch/arm/mm/proc-xscale.S index f056c283682..93df47265f2 100644 --- a/arch/arm/mm/proc-xscale.S +++ b/arch/arm/mm/proc-xscale.S @@ -284,15 +284,16 @@ ENTRY(xscale_coherent_user_range) mov pc, lr /* - * flush_kern_dcache_page(void *page) + * flush_kern_dcache_area(void *addr, size_t size) * * Ensure no D cache aliasing occurs, either with itself or * the I cache * - * - addr - page aligned address + * - addr - kernel address + * - size - region size */ -ENTRY(xscale_flush_kern_dcache_page) - add r1, r0, #PAGE_SZ +ENTRY(xscale_flush_kern_dcache_area) + add r1, r0, r1 1: mcr p15, 0, r0, c7, c10, 1 @ clean D entry mcr p15, 0, r0, c7, c6, 1 @ invalidate D entry add r0, r0, #CACHELINESIZE @@ -368,7 +369,7 @@ ENTRY(xscale_cache_fns) .long xscale_flush_user_cache_range .long xscale_coherent_kern_range .long xscale_coherent_user_range - .long xscale_flush_kern_dcache_page + .long xscale_flush_kern_dcache_area .long xscale_dma_inv_range .long xscale_dma_clean_range .long xscale_dma_flush_range @@ -392,7 +393,7 @@ ENTRY(xscale_80200_A0_A1_cache_fns) .long xscale_flush_user_cache_range .long xscale_coherent_kern_range .long xscale_coherent_user_range - .long xscale_flush_kern_dcache_page + .long xscale_flush_kern_dcache_area .long xscale_dma_flush_range .long xscale_dma_clean_range .long xscale_dma_flush_range diff --git a/arch/arm/tools/Makefile b/arch/arm/tools/Makefile index 1dbaa29ac4d..635cb1865e4 100644 --- a/arch/arm/tools/Makefile +++ b/arch/arm/tools/Makefile @@ -4,7 +4,7 @@ # Copyright (C) 2001 Russell King # -include/asm-arm/mach-types.h: $(src)/gen-mach-types $(src)/mach-types +include/generated/mach-types.h: $(src)/gen-mach-types $(src)/mach-types @echo ' Generating $@' @mkdir -p $(dir $@) $(Q)$(AWK) -f $^ > $@ || { rm -f $@; /bin/false; } diff --git a/arch/arm/tools/gen-mach-types b/arch/arm/tools/gen-mach-types index ce319ef64bc..04fef71d7be 100644 --- a/arch/arm/tools/gen-mach-types +++ b/arch/arm/tools/gen-mach-types @@ -1,6 +1,6 @@ #!/bin/awk # -# Awk script to generate include/asm-arm/mach-types.h +# Awk script to generate include/generated/mach-types.h # BEGIN { nr = 0 } /^#/ { next } diff --git a/arch/arm/tools/mach-types b/arch/arm/tools/mach-types index 07b976da617..c3a74ce24ef 100644 --- a/arch/arm/tools/mach-types +++ b/arch/arm/tools/mach-types @@ -12,7 +12,7 @@ # # http://www.arm.linux.org.uk/developer/machines/?action=new # -# Last update: Wed Nov 25 22:14:58 2009 +# Last update: Wed Dec 16 20:06:34 2009 # # machine_is_xxx CONFIG_xxxx MACH_TYPE_xxx number # @@ -1776,6 +1776,7 @@ cybook3 MACH_CYBOOK3 CYBOOK3 1784 wdg002 MACH_WDG002 WDG002 1785 sg560adsl MACH_SG560ADSL SG560ADSL 1786 nextio_n2800_ica MACH_NEXTIO_N2800_ICA NEXTIO_N2800_ICA 1787 +dove_db MACH_DOVE_DB DOVE_DB 1788 marvell_newdb MACH_MARVELL_NEWDB MARVELL_NEWDB 1789 vandihud MACH_VANDIHUD VANDIHUD 1790 magx_e8 MACH_MAGX_E8 MAGX_E8 1791 @@ -2536,3 +2537,44 @@ c3ax03 MACH_C3AX03 C3AX03 2549 mxt_td60 MACH_MXT_TD60 MXT_TD60 2550 esyx MACH_ESYX ESYX 2551 bulldog MACH_BULLDOG BULLDOG 2553 +derell_me2000 MACH_DERELL_ME2000 DERELL_ME2000 2554 +bcmring_base MACH_BCMRING_BASE BCMRING_BASE 2555 +bcmring_evm MACH_BCMRING_EVM BCMRING_EVM 2556 +bcmring_evm_jazz MACH_BCMRING_EVM_JAZZ BCMRING_EVM_JAZZ 2557 +bcmring_sp MACH_BCMRING_SP BCMRING_SP 2558 +bcmring_sv MACH_BCMRING_SV BCMRING_SV 2559 +bcmring_sv_jazz MACH_BCMRING_SV_JAZZ BCMRING_SV_JAZZ 2560 +bcmring_tablet MACH_BCMRING_TABLET BCMRING_TABLET 2561 +bcmring_vp MACH_BCMRING_VP BCMRING_VP 2562 +bcmring_evm_seikor MACH_BCMRING_EVM_SEIKOR BCMRING_EVM_SEIKOR 2563 +bcmring_sp_wqvga MACH_BCMRING_SP_WQVGA BCMRING_SP_WQVGA 2564 +bcmring_custom MACH_BCMRING_CUSTOM BCMRING_CUSTOM 2565 +acer_s200 MACH_ACER_S200 ACER_S200 2566 +bt270 MACH_BT270 BT270 2567 +iseo MACH_ISEO ISEO 2568 +cezanne MACH_CEZANNE CEZANNE 2569 +lucca MACH_LUCCA LUCCA 2570 +supersmart MACH_SUPERSMART SUPERSMART 2571 +magnolia2 MACH_MAGNOLIA2 MAGNOLIA2 2573 +emxx MACH_EMXX EMXX 2574 +outlaw MACH_OUTLAW OUTLAW 2575 +riot_bei2 MACH_RIOT_BEI2 RIOT_BEI2 2576 +riot_vox MACH_RIOT_VOX RIOT_VOX 2577 +riot_x37 MACH_RIOT_X37 RIOT_X37 2578 +mega25mx MACH_MEGA25MX MEGA25MX 2579 +benzina2 MACH_BENZINA2 BENZINA2 2580 +ignite MACH_IGNITE IGNITE 2581 +foggia MACH_FOGGIA FOGGIA 2582 +arezzo MACH_AREZZO AREZZO 2583 +leica_skywalker MACH_LEICA_SKYWALKER LEICA_SKYWALKER 2584 +jacinto2_jamr MACH_JACINTO2_JAMR JACINTO2_JAMR 2585 +gts_nova MACH_GTS_NOVA GTS_NOVA 2586 +p3600 MACH_P3600 P3600 2587 +dlt2 MACH_DLT2 DLT2 2588 +df3120 MACH_DF3120 DF3120 2589 +ecucore_9g20 MACH_ECUCORE_9G20 ECUCORE_9G20 2590 +nautel_lpc3240 MACH_NAUTEL_LPC3240 NAUTEL_LPC3240 2591 +glacier MACH_GLACIER GLACIER 2592 +phrazer_bulldog MACH_PHRAZER_BULLDOG PHRAZER_BULLDOG 2593 +omap3_bulldog MACH_OMAP3_BULLDOG OMAP3_BULLDOG 2594 +pca101 MACH_PCA101 PCA101 2595 diff --git a/arch/avr32/include/asm/asm-offsets.h b/arch/avr32/include/asm/asm-offsets.h new file mode 100644 index 00000000000..d370ee36a18 --- /dev/null +++ b/arch/avr32/include/asm/asm-offsets.h @@ -0,0 +1 @@ +#include <generated/asm-offsets.h> diff --git a/arch/blackfin/include/asm/asm-offsets.h b/arch/blackfin/include/asm/asm-offsets.h new file mode 100644 index 00000000000..d370ee36a18 --- /dev/null +++ b/arch/blackfin/include/asm/asm-offsets.h @@ -0,0 +1 @@ +#include <generated/asm-offsets.h> diff --git a/arch/cris/arch-v32/kernel/head.S b/arch/cris/arch-v32/kernel/head.S index 3db478eb515..76266f80a5f 100644 --- a/arch/cris/arch-v32/kernel/head.S +++ b/arch/cris/arch-v32/kernel/head.S @@ -10,7 +10,6 @@ * The macros found in mmu_defs_asm.h uses the ## concatenation operator, so * -traditional must not be used when assembling this file. */ -#include <linux/autoconf.h> #include <arch/memmap.h> #include <hwregs/reg_rdwr.h> #include <hwregs/intr_vect.h> diff --git a/arch/cris/include/asm/asm-offsets.h b/arch/cris/include/asm/asm-offsets.h new file mode 100644 index 00000000000..d370ee36a18 --- /dev/null +++ b/arch/cris/include/asm/asm-offsets.h @@ -0,0 +1 @@ +#include <generated/asm-offsets.h> diff --git a/arch/cris/kernel/asm-offsets.c b/arch/cris/kernel/asm-offsets.c index ddd6fbbe75d..dd7b8e98322 100644 --- a/arch/cris/kernel/asm-offsets.c +++ b/arch/cris/kernel/asm-offsets.c @@ -1,6 +1,5 @@ #include <linux/sched.h> #include <asm/thread_info.h> -#include <linux/autoconf.h> /* * Generate definitions needed by assembly language modules. diff --git a/arch/cris/kernel/vmlinux.lds.S b/arch/cris/kernel/vmlinux.lds.S index bbfda67d290..d49d17d2a14 100644 --- a/arch/cris/kernel/vmlinux.lds.S +++ b/arch/cris/kernel/vmlinux.lds.S @@ -8,7 +8,6 @@ * the kernel has booted. */ -#include <linux/autoconf.h> #include <asm-generic/vmlinux.lds.h> #include <asm/page.h> diff --git a/arch/frv/include/asm/asm-offsets.h b/arch/frv/include/asm/asm-offsets.h new file mode 100644 index 00000000000..d370ee36a18 --- /dev/null +++ b/arch/frv/include/asm/asm-offsets.h @@ -0,0 +1 @@ +#include <generated/asm-offsets.h> diff --git a/arch/frv/kernel/setup.c b/arch/frv/kernel/setup.c index 55e4fab7c0b..75cf7f4b2fa 100644 --- a/arch/frv/kernel/setup.c +++ b/arch/frv/kernel/setup.c @@ -10,7 +10,7 @@ * 2 of the License, or (at your option) any later version. */ -#include <linux/utsrelease.h> +#include <generated/utsrelease.h> #include <linux/kernel.h> #include <linux/sched.h> #include <linux/delay.h> diff --git a/arch/h8300/include/asm/asm-offsets.h b/arch/h8300/include/asm/asm-offsets.h new file mode 100644 index 00000000000..d370ee36a18 --- /dev/null +++ b/arch/h8300/include/asm/asm-offsets.h @@ -0,0 +1 @@ +#include <generated/asm-offsets.h> diff --git a/arch/ia64/Makefile b/arch/ia64/Makefile index e7cbaa02cd0..475e2725fbd 100644 --- a/arch/ia64/Makefile +++ b/arch/ia64/Makefile @@ -103,4 +103,4 @@ archprepare: make_nr_irqs_h FORCE PHONY += make_nr_irqs_h FORCE make_nr_irqs_h: FORCE - $(Q)$(MAKE) $(build)=arch/ia64/kernel include/asm-ia64/nr-irqs.h + $(Q)$(MAKE) $(build)=arch/ia64/kernel include/generated/nr-irqs.h diff --git a/arch/ia64/include/asm/asm-offsets.h b/arch/ia64/include/asm/asm-offsets.h new file mode 100644 index 00000000000..d370ee36a18 --- /dev/null +++ b/arch/ia64/include/asm/asm-offsets.h @@ -0,0 +1 @@ +#include <generated/asm-offsets.h> diff --git a/arch/ia64/include/asm/irq.h b/arch/ia64/include/asm/irq.h index 5282546cdf8..91b920fd7d5 100644 --- a/arch/ia64/include/asm/irq.h +++ b/arch/ia64/include/asm/irq.h @@ -13,7 +13,7 @@ #include <linux/types.h> #include <linux/cpumask.h> -#include <asm-ia64/nr-irqs.h> +#include <generated/nr-irqs.h> static __inline__ int irq_canonicalize (int irq) diff --git a/arch/ia64/kernel/Makefile b/arch/ia64/kernel/Makefile index 6b7edcab0cb..2a75e937ae8 100644 --- a/arch/ia64/kernel/Makefile +++ b/arch/ia64/kernel/Makefile @@ -81,17 +81,14 @@ define cmd_nr_irqs endef # We use internal kbuild rules to avoid the "is up to date" message from make -arch/$(SRCARCH)/kernel/nr-irqs.s: $(srctree)/arch/$(SRCARCH)/kernel/nr-irqs.c \ - $(wildcard $(srctree)/include/asm-ia64/*/irq.h) +arch/$(SRCARCH)/kernel/nr-irqs.s: arch/$(SRCARCH)/kernel/nr-irqs.c $(Q)mkdir -p $(dir $@) $(call if_changed_dep,cc_s_c) -include/asm-ia64/nr-irqs.h: arch/$(SRCARCH)/kernel/nr-irqs.s +include/generated/nr-irqs.h: arch/$(SRCARCH)/kernel/nr-irqs.s $(Q)mkdir -p $(dir $@) $(call cmd,nr_irqs) -clean-files += $(objtree)/include/asm-ia64/nr-irqs.h - # # native ivt.S, entry.S and fsys.S # diff --git a/arch/ia64/kvm/asm-offsets.c b/arch/ia64/kvm/asm-offsets.c index 0c3564a7a03..9324c875caf 100644 --- a/arch/ia64/kvm/asm-offsets.c +++ b/arch/ia64/kvm/asm-offsets.c @@ -22,7 +22,6 @@ * */ -#include <linux/autoconf.h> #include <linux/kvm_host.h> #include <linux/kbuild.h> diff --git a/arch/m68k/include/asm/asm-offsets.h b/arch/m68k/include/asm/asm-offsets.h new file mode 100644 index 00000000000..d370ee36a18 --- /dev/null +++ b/arch/m68k/include/asm/asm-offsets.h @@ -0,0 +1 @@ +#include <generated/asm-offsets.h> diff --git a/arch/m68k/kernel/head.S b/arch/m68k/kernel/head.S index 86edb5fbcfc..ef54128baa0 100644 --- a/arch/m68k/kernel/head.S +++ b/arch/m68k/kernel/head.S @@ -196,7 +196,7 @@ * for them and trying to understand what they mean. * * CONFIG_xxx: These are the obvious machine configuration defines created - * during configuration. These are defined in include/linux/autoconf.h. + * during configuration. These are defined in autoconf.h. * * CONSOLE: There is support for head.S console in this file. This * console can talk to a Mac frame buffer, but could easily be extrapolated diff --git a/arch/microblaze/include/asm/asm-offsets.h b/arch/microblaze/include/asm/asm-offsets.h new file mode 100644 index 00000000000..d370ee36a18 --- /dev/null +++ b/arch/microblaze/include/asm/asm-offsets.h @@ -0,0 +1 @@ +#include <generated/asm-offsets.h> diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index fd7620f025f..9541171f122 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -5,9 +5,12 @@ config MIPS select HAVE_IDE select HAVE_OPROFILE select HAVE_ARCH_KGDB - # Horrible source of confusion. Die, die, die ... - select EMBEDDED - select RTC_LIB if !LEMOTE_FULOONG2E + select HAVE_FUNCTION_TRACER + select HAVE_FUNCTION_TRACE_MCOUNT_TEST + select HAVE_DYNAMIC_FTRACE + select HAVE_FTRACE_MCOUNT_RECORD + select HAVE_FUNCTION_GRAPH_TRACER + select RTC_LIB if !MACH_LOONGSON mainmenu "Linux/MIPS Kernel Configuration" @@ -22,6 +25,7 @@ choice config MACH_ALCHEMY bool "Alchemy processor based machines" + select SYS_SUPPORTS_ZBOOT config AR7 bool "Texas Instruments AR7" @@ -36,6 +40,7 @@ config AR7 select SYS_HAS_EARLY_PRINTK select SYS_SUPPORTS_32BIT_KERNEL select SYS_SUPPORTS_LITTLE_ENDIAN + select SYS_SUPPORTS_ZBOOT_UART16550 select GENERIC_GPIO select GCD select VLYNQ @@ -43,23 +48,6 @@ config AR7 Support for the Texas Instruments AR7 System-on-a-Chip family: TNETD7100, 7200 and 7300. -config BASLER_EXCITE - bool "Basler eXcite smart camera" - select CEVT_R4K - select CSRC_R4K - select DMA_COHERENT - select HW_HAS_PCI - select IRQ_CPU - select IRQ_CPU_RM7K - select IRQ_CPU_RM9K - select MIPS_RM9122 - select SYS_HAS_CPU_RM9000 - select SYS_SUPPORTS_32BIT_KERNEL - select SYS_SUPPORTS_BIG_ENDIAN - help - The eXcite is a smart camera platform manufactured by - Basler Vision Technologies AG. - config BCM47XX bool "BCM47XX based boards" select CEVT_R4K @@ -192,6 +180,7 @@ config LASAT config MACH_LOONGSON bool "Loongson family of machines" + select SYS_SUPPORTS_ZBOOT_UART16550 help This enables the support of Loongson family of machines. @@ -233,6 +222,7 @@ config MIPS_MALTA select SYS_SUPPORTS_MIPS_CMP select SYS_SUPPORTS_MULTITHREADING select SYS_SUPPORTS_SMARTMIPS + select SYS_SUPPORTS_ZBOOT help This enables support for the MIPS Technologies Malta evaluation board. @@ -334,6 +324,24 @@ config PMC_YOSEMITE Yosemite is an evaluation board for the RM9000x2 processor manufactured by PMC-Sierra. +config POWERTV + bool "Cisco PowerTV" + select BOOT_ELF32 + select CEVT_R4K + select CPU_MIPSR2_IRQ_VI + select CPU_MIPSR2_IRQ_EI + select CSRC_POWERTV + select DMA_NONCOHERENT + select HW_HAS_PCI + select SYS_HAS_EARLY_PRINTK + select SYS_HAS_CPU_MIPS32_R2 + select SYS_SUPPORTS_32BIT_KERNEL + select SYS_SUPPORTS_BIG_ENDIAN + select SYS_SUPPORTS_HIGHMEM + select USB_OHCI_LITTLE_ENDIAN + help + This enables support for the Cisco PowerTV Platform. + config SGI_IP22 bool "SGI IP22 (Indy/Indigo2)" select ARC @@ -674,11 +682,11 @@ config CAVIUM_OCTEON_REFERENCE_BOARD endchoice source "arch/mips/alchemy/Kconfig" -source "arch/mips/basler/excite/Kconfig" source "arch/mips/bcm63xx/Kconfig" source "arch/mips/jazz/Kconfig" source "arch/mips/lasat/Kconfig" source "arch/mips/pmc-sierra/Kconfig" +source "arch/mips/powertv/Kconfig" source "arch/mips/sgi-ip27/Kconfig" source "arch/mips/sibyte/Kconfig" source "arch/mips/txx9/Kconfig" @@ -778,6 +786,9 @@ config CSRC_BCM1480 config CSRC_IOASIC bool +config CSRC_POWERTV + bool + config CSRC_R4K_LIB bool @@ -806,20 +817,6 @@ config DMA_NONCOHERENT config DMA_NEED_PCI_MAP_STATE bool -config EARLY_PRINTK - bool "Early printk" if EMBEDDED && DEBUG_KERNEL - depends on SYS_HAS_EARLY_PRINTK - default y - help - This option enables special console drivers which allow the kernel - to print messages very early in the bootup process. - - This is useful for kernel debugging when your machine crashes very - early before the console code is initialized. For normal operation, - it is not recommended because it looks ugly on some machines and - doesn't cooperate with an X server. You should normally say N here, - unless you want to debug such a crash. - config SYS_HAS_EARLY_PRINTK bool @@ -1069,6 +1066,21 @@ config CPU_LOONGSON2E The Loongson 2E processor implements the MIPS III instruction set with many extensions. + It has an internal FPGA northbridge, which is compatiable to + bonito64. + +config CPU_LOONGSON2F + bool "Loongson 2F" + depends on SYS_HAS_CPU_LOONGSON2F + select CPU_LOONGSON2 + help + The Loongson 2F processor implements the MIPS III instruction set + with many extensions. + + Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller + have a similar programming interface with FPGA northbridge used in + Loongson2E. + config CPU_MIPS32_R1 bool "MIPS32 Release 1" depends on SYS_HAS_CPU_MIPS32_R1 @@ -1294,6 +1306,16 @@ config CPU_CAVIUM_OCTEON endchoice +config SYS_SUPPORTS_ZBOOT + bool + select HAVE_KERNEL_GZIP + select HAVE_KERNEL_BZIP2 + select HAVE_KERNEL_LZMA + +config SYS_SUPPORTS_ZBOOT_UART16550 + bool + select SYS_SUPPORTS_ZBOOT + config CPU_LOONGSON2 bool select CPU_SUPPORTS_32BIT_KERNEL @@ -1303,6 +1325,12 @@ config CPU_LOONGSON2 config SYS_HAS_CPU_LOONGSON2E bool +config SYS_HAS_CPU_LOONGSON2F + bool + select CPU_SUPPORTS_CPUFREQ + select CPU_SUPPORTS_ADDRWINCFG if 64BIT + select CPU_SUPPORTS_UNCACHED_ACCELERATED + config SYS_HAS_CPU_MIPS32_R1 bool @@ -1411,8 +1439,17 @@ config CPU_SUPPORTS_32BIT_KERNEL bool config CPU_SUPPORTS_64BIT_KERNEL bool +config CPU_SUPPORTS_CPUFREQ + bool +config CPU_SUPPORTS_ADDRWINCFG + bool config CPU_SUPPORTS_HUGEPAGES bool +config CPU_SUPPORTS_UNCACHED_ACCELERATED + bool +config MIPS_PGD_C0_CONTEXT + bool + default y if 64BIT && CPU_MIPSR2 # # Set to y for ptrace access to watch registers. @@ -2024,15 +2061,6 @@ config STACKTRACE_SUPPORT source "init/Kconfig" -config PROBE_INITRD_HEADER - bool "Probe initrd header created by addinitrd" - depends on BLK_DEV_INITRD - help - Probe initrd header at the last page of kernel image. - Say Y here if you are using arch/mips/boot/addinitrd.c to - add initrd or initramfs image to the kernel image. - Otherwise, say N. - source "kernel/Kconfig.freezer" menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" @@ -2104,6 +2132,7 @@ config MMU config I8253 bool + select MIPS_EXTERNAL_TIMER config ZONE_DMA32 bool @@ -2180,6 +2209,8 @@ source "kernel/power/Kconfig" endmenu +source "arch/mips/kernel/cpufreq/Kconfig" + source "net/Kconfig" source "drivers/Kconfig" diff --git a/arch/mips/Kconfig.debug b/arch/mips/Kconfig.debug index 364ca893880..d2b88a0be51 100644 --- a/arch/mips/Kconfig.debug +++ b/arch/mips/Kconfig.debug @@ -6,15 +6,66 @@ config TRACE_IRQFLAGS_SUPPORT source "lib/Kconfig.debug" +config EARLY_PRINTK + bool "Early printk" if EMBEDDED + depends on SYS_HAS_EARLY_PRINTK + default y + help + This option enables special console drivers which allow the kernel + to print messages very early in the bootup process. + + This is useful for kernel debugging when your machine crashes very + early before the console code is initialized. For normal operation, + it is not recommended because it looks ugly on some machines and + doesn't cooperate with an X server. You should normally say N here, + unless you want to debug such a crash. + +config CMDLINE_BOOL + bool "Built-in kernel command line" + default n + help + For most systems, it is firmware or second stage bootloader that + by default specifies the kernel command line options. However, + it might be necessary or advantageous to either override the + default kernel command line or add a few extra options to it. + For such cases, this option allows you to hardcode your own + command line options directly into the kernel. For that, you + should choose 'Y' here, and fill in the extra boot arguments + in CONFIG_CMDLINE. + + The built-in options will be concatenated to the default command + line if CMDLINE_OVERRIDE is set to 'N'. Otherwise, the default + command line will be ignored and replaced by the built-in string. + + Most MIPS systems will normally expect 'N' here and rely upon + the command line from the firmware or the second-stage bootloader. + config CMDLINE string "Default kernel command string" + depends on CMDLINE_BOOL default "" help On some platforms, there is currently no way for the boot loader to - pass arguments to the kernel. For these platforms, you can supply - some command-line options at build time by entering them here. In - other cases you can specify kernel args so that you don't have - to set them up in board prom initialization routines. + pass arguments to the kernel. For these platforms, and for the cases + when you want to add some extra options to the command line or ignore + the default command line, you can supply some command-line options at + build time by entering them here. In other cases you can specify + kernel args so that you don't have to set them up in board prom + initialization routines. + + For more information, see the CMDLINE_BOOL and CMDLINE_OVERRIDE + options. + +config CMDLINE_OVERRIDE + bool "Built-in command line overrides firware arguments" + default n + depends on CMDLINE_BOOL + help + By setting this option to 'Y' you will have your kernel ignore + command line arguments from firmware or second stage bootloader. + Instead, the built-in command line will be used exclusively. + + Normally, you will choose 'N' here. config DEBUG_STACK_USAGE bool "Enable stack utilization instrumentation" diff --git a/arch/mips/Makefile b/arch/mips/Makefile index 77f5021218d..1893efd43fc 100644 --- a/arch/mips/Makefile +++ b/arch/mips/Makefile @@ -48,7 +48,16 @@ ifneq ($(SUBARCH),$(ARCH)) endif endif +ifndef CONFIG_FUNCTION_TRACER cflags-y := -ffunction-sections +endif +ifdef CONFIG_FUNCTION_GRAPH_TRACER + ifndef KBUILD_MCOUNT_RA_ADDRESS + ifeq ($(call cc-option-yn,-mmcount-ra-address), y) + cflags-y += -mmcount-ra-address -DKBUILD_MCOUNT_RA_ADDRESS + endif + endif +endif cflags-y += $(call cc-option, -mno-check-zero-division) ifdef CONFIG_32BIT @@ -69,6 +78,7 @@ endif all-$(CONFIG_BOOT_ELF32) := $(vmlinux-32) all-$(CONFIG_BOOT_ELF64) := $(vmlinux-64) +all-$(CONFIG_SYS_SUPPORTS_ZBOOT)+= vmlinuz # # GCC uses -G 0 -mabicalls -fpic as default. We don't want PIC in the kernel @@ -124,6 +134,8 @@ cflags-$(CONFIG_CPU_TX49XX) += -march=r4600 -Wa,--trap cflags-$(CONFIG_CPU_LOONGSON2) += -Wa,--trap cflags-$(CONFIG_CPU_LOONGSON2E) += \ $(call cc-option,-march=loongson2e,-march=r4600) +cflags-$(CONFIG_CPU_LOONGSON2F) += \ + $(call cc-option,-march=loongson2f,-march=r4600) cflags-$(CONFIG_CPU_MIPS32_R1) += $(call cc-option,-march=mips32,-mips32 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS32) \ -Wa,-mips32 -Wa,--trap @@ -324,6 +336,7 @@ core-$(CONFIG_MACH_LOONGSON) +=arch/mips/loongson/ cflags-$(CONFIG_MACH_LOONGSON) += -I$(srctree)/arch/mips/include/asm/mach-loongson \ -mno-branch-likely load-$(CONFIG_LEMOTE_FULOONG2E) +=0xffffffff80100000 +load-$(CONFIG_LEMOTE_MACH2F) +=0xffffffff80200000 # # MIPS Malta board @@ -331,7 +344,7 @@ load-$(CONFIG_LEMOTE_FULOONG2E) +=0xffffffff80100000 core-$(CONFIG_MIPS_MALTA) += arch/mips/mti-malta/ cflags-$(CONFIG_MIPS_MALTA) += -I$(srctree)/arch/mips/include/asm/mach-malta load-$(CONFIG_MIPS_MALTA) += 0xffffffff80100000 -all-$(CONFIG_MIPS_MALTA) := vmlinux.bin +all-$(CONFIG_MIPS_MALTA) := vmlinuz.bin # # MIPS SIM @@ -356,13 +369,6 @@ cflags-$(CONFIG_PMC_YOSEMITE) += -I$(srctree)/arch/mips/include/asm/mach-yosemit load-$(CONFIG_PMC_YOSEMITE) += 0xffffffff80100000 # -# Basler eXcite -# -core-$(CONFIG_BASLER_EXCITE) += arch/mips/basler/excite/ -cflags-$(CONFIG_BASLER_EXCITE) += -I$(srctree)/arch/mips/include/asm/mach-excite -load-$(CONFIG_BASLER_EXCITE) += 0x80100000 - -# # LASAT platforms # core-$(CONFIG_LASAT) += arch/mips/lasat/ @@ -441,6 +447,13 @@ core-$(CONFIG_NEC_MARKEINS) += arch/mips/emma/markeins/ load-$(CONFIG_NEC_MARKEINS) += 0xffffffff88100000 # +# Cisco PowerTV Platform +# +core-$(CONFIG_POWERTV) += arch/mips/powertv/ +cflags-$(CONFIG_POWERTV) += -I$(srctree)/arch/mips/include/asm/mach-powertv +load-$(CONFIG_POWERTV) += 0xffffffff90800000 + +# # SGI IP22 (Indy/Indigo2) # # Set the load address to >= 0xffffffff88069000 if you want to leave space for @@ -581,7 +594,7 @@ load-$(CONFIG_SNI_RM) += 0xffffffff80600000 else load-$(CONFIG_SNI_RM) += 0xffffffff80030000 endif -all-$(CONFIG_SNI_RM) := vmlinux.ecoff +all-$(CONFIG_SNI_RM) := vmlinuz.ecoff # # Common TXx9 @@ -699,9 +712,23 @@ vmlinux.64: vmlinux $(OBJCOPY) -O $(64bit-bfd) $(OBJCOPYFLAGS) $< $@ makeboot =$(Q)$(MAKE) $(build)=arch/mips/boot VMLINUX=$(vmlinux-32) $(1) +makezboot =$(Q)$(MAKE) $(build)=arch/mips/boot/compressed \ + VMLINUX_LOAD_ADDRESS=$(load-y) 32bit-bfd=$(32bit-bfd) $(1) all: $(all-y) +vmlinuz: vmlinux FORCE + +@$(call makezboot,$@) + +vmlinuz.bin: vmlinux + +@$(call makezboot,$@) + +vmlinuz.ecoff: vmlinux + +@$(call makezboot,$@) + +vmlinuz.srec: vmlinux + +@$(call makezboot,$@) + vmlinux.bin: $(vmlinux-32) +@$(call makeboot,$@) @@ -726,11 +753,13 @@ endif install: $(Q)install -D -m 755 vmlinux $(INSTALL_PATH)/vmlinux-$(KERNELRELEASE) + $(Q)install -D -m 755 vmlinuz $(INSTALL_PATH)/vmlinuz-$(KERNELRELEASE) $(Q)install -D -m 644 .config $(INSTALL_PATH)/config-$(KERNELRELEASE) $(Q)install -D -m 644 System.map $(INSTALL_PATH)/System.map-$(KERNELRELEASE) archclean: @$(MAKE) $(clean)=arch/mips/boot + @$(MAKE) $(clean)=arch/mips/boot/compressed @$(MAKE) $(clean)=arch/mips/lasat define archhelp @@ -738,10 +767,18 @@ define archhelp echo ' vmlinux.ecoff - ECOFF boot image' echo ' vmlinux.bin - Raw binary boot image' echo ' vmlinux.srec - SREC boot image' + echo ' vmlinuz - Compressed boot(zboot) image' + echo ' vmlinuz.ecoff - ECOFF zboot image' + echo ' vmlinuz.bin - Raw binary zboot image' + echo ' vmlinuz.srec - SREC zboot image' echo echo ' These will be default as apropriate for a configured platform.' endef CLEAN_FILES += vmlinux.32 \ vmlinux.64 \ - vmlinux.ecoff + vmlinux.ecoff \ + vmlinuz \ + vmlinuz.ecoff \ + vmlinuz.bin \ + vmlinuz.srec diff --git a/arch/mips/ar7/platform.c b/arch/mips/ar7/platform.c index 835f3f0319c..85169c08d8d 100644 --- a/arch/mips/ar7/platform.c +++ b/arch/mips/ar7/platform.c @@ -505,7 +505,7 @@ static int __init ar7_register_devices(void) int res; u32 *bootcr, val; #ifdef CONFIG_SERIAL_8250 - static struct uart_port uart_port[2]; + static struct uart_port uart_port[2] __initdata; memset(uart_port, 0, sizeof(struct uart_port) * 2); diff --git a/arch/mips/basler/excite/Kconfig b/arch/mips/basler/excite/Kconfig deleted file mode 100644 index ba506075608..00000000000 --- a/arch/mips/basler/excite/Kconfig +++ /dev/null @@ -1,9 +0,0 @@ -config BASLER_EXCITE_PROTOTYPE - bool "Support for pre-release units" - depends on BASLER_EXCITE - default n - help - Pre-series (prototype) units are different from later ones in - some ways. Select this option if you have one of these. Please - note that a kernel built with this option selected will not be - able to run on normal units. diff --git a/arch/mips/basler/excite/Makefile b/arch/mips/basler/excite/Makefile deleted file mode 100644 index cff29cf46d0..00000000000 --- a/arch/mips/basler/excite/Makefile +++ /dev/null @@ -1,8 +0,0 @@ -# -# Makefile for Basler eXcite -# - -obj-$(CONFIG_BASLER_EXCITE) += excite_irq.o excite_prom.o excite_setup.o \ - excite_device.o excite_procfs.o - -obj-m += excite_iodev.o diff --git a/arch/mips/basler/excite/excite_device.c b/arch/mips/basler/excite/excite_device.c deleted file mode 100644 index e00bc2d7f30..00000000000 --- a/arch/mips/basler/excite/excite_device.c +++ /dev/null @@ -1,403 +0,0 @@ -/* - * Copyright (C) 2004 by Basler Vision Technologies AG - * Author: Thomas Koeller <thomas.koeller@baslerweb.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/platform_device.h> -#include <linux/ioport.h> -#include <linux/err.h> -#include <linux/jiffies.h> -#include <linux/sched.h> -#include <asm/types.h> -#include <asm/rm9k-ocd.h> - -#include <excite.h> -#include <rm9k_eth.h> -#include <rm9k_wdt.h> -#include <rm9k_xicap.h> -#include <excite_nandflash.h> - -#include "excite_iodev.h" - -#define RM9K_GE_UNIT 0 -#define XICAP_UNIT 0 -#define NAND_UNIT 0 - -#define DLL_TIMEOUT 3 /* seconds */ - - -#define RINIT(__start__, __end__, __name__, __parent__) { \ - .name = __name__ "_0", \ - .start = (__start__), \ - .end = (__end__), \ - .flags = 0, \ - .parent = (__parent__) \ -} - -#define RINIT_IRQ(__irq__, __name__) { \ - .name = __name__ "_0", \ - .start = (__irq__), \ - .end = (__irq__), \ - .flags = IORESOURCE_IRQ, \ - .parent = NULL \ -} - - - -enum { - slice_xicap, - slice_eth -}; - - - -static struct resource - excite_ctr_resource __maybe_unused = { - .name = "GPI counters", - .start = 0, - .end = 5, - .flags = 0, - .parent = NULL, - .sibling = NULL, - .child = NULL - }, - excite_gpislice_resource __maybe_unused = { - .name = "GPI slices", - .start = 0, - .end = 1, - .flags = 0, - .parent = NULL, - .sibling = NULL, - .child = NULL - }, - excite_mdio_channel_resource __maybe_unused = { - .name = "MDIO channels", - .start = 0, - .end = 1, - .flags = 0, - .parent = NULL, - .sibling = NULL, - .child = NULL - }, - excite_fifomem_resource __maybe_unused = { - .name = "FIFO memory", - .start = 0, - .end = 767, - .flags = 0, - .parent = NULL, - .sibling = NULL, - .child = NULL - }, - excite_scram_resource __maybe_unused = { - .name = "Scratch RAM", - .start = EXCITE_PHYS_SCRAM, - .end = EXCITE_PHYS_SCRAM + EXCITE_SIZE_SCRAM - 1, - .flags = IORESOURCE_MEM, - .parent = NULL, - .sibling = NULL, - .child = NULL - }, - excite_fpga_resource __maybe_unused = { - .name = "System FPGA", - .start = EXCITE_PHYS_FPGA, - .end = EXCITE_PHYS_FPGA + EXCITE_SIZE_FPGA - 1, - .flags = IORESOURCE_MEM, - .parent = NULL, - .sibling = NULL, - .child = NULL - }, - excite_nand_resource __maybe_unused = { - .name = "NAND flash control", - .start = EXCITE_PHYS_NAND, - .end = EXCITE_PHYS_NAND + EXCITE_SIZE_NAND - 1, - .flags = IORESOURCE_MEM, - .parent = NULL, - .sibling = NULL, - .child = NULL - }, - excite_titan_resource __maybe_unused = { - .name = "TITAN registers", - .start = EXCITE_PHYS_TITAN, - .end = EXCITE_PHYS_TITAN + EXCITE_SIZE_TITAN - 1, - .flags = IORESOURCE_MEM, - .parent = NULL, - .sibling = NULL, - .child = NULL - }; - - - -static void adjust_resources(struct resource *res, unsigned int n) -{ - struct resource *p; - const unsigned long mask = IORESOURCE_IO | IORESOURCE_MEM - | IORESOURCE_IRQ | IORESOURCE_DMA; - - for (p = res; p < res + n; p++) { - const struct resource * const parent = p->parent; - if (parent) { - p->start += parent->start; - p->end += parent->start; - p->flags = parent->flags & mask; - } - } -} - - - -#if defined(CONFIG_EXCITE_FCAP_GPI) || defined(CONFIG_EXCITE_FCAP_GPI_MODULE) -static struct resource xicap_rsrc[] = { - RINIT(0x4840, 0x486f, XICAP_RESOURCE_FIFO_RX, &excite_titan_resource), - RINIT(0x4940, 0x494b, XICAP_RESOURCE_FIFO_TX, &excite_titan_resource), - RINIT(0x5040, 0x5127, XICAP_RESOURCE_XDMA, &excite_titan_resource), - RINIT(0x1000, 0x112f, XICAP_RESOURCE_PKTPROC, &excite_titan_resource), - RINIT(0x1100, 0x110f, XICAP_RESOURCE_PKT_STREAM, &excite_fpga_resource), - RINIT(0x0800, 0x0bff, XICAP_RESOURCE_DMADESC, &excite_scram_resource), - RINIT(slice_xicap, slice_xicap, XICAP_RESOURCE_GPI_SLICE, &excite_gpislice_resource), - RINIT(0x0100, 0x02ff, XICAP_RESOURCE_FIFO_BLK, &excite_fifomem_resource), - RINIT_IRQ(TITAN_IRQ, XICAP_RESOURCE_IRQ) -}; - -static struct platform_device xicap_pdev = { - .name = XICAP_NAME, - .id = XICAP_UNIT, - .num_resources = ARRAY_SIZE(xicap_rsrc), - .resource = xicap_rsrc -}; - -/* - * Create a platform device for the GPI port that receives the - * image data from the embedded camera. - */ -static int __init xicap_devinit(void) -{ - unsigned long tend; - u32 reg; - int retval; - - adjust_resources(xicap_rsrc, ARRAY_SIZE(xicap_rsrc)); - - /* Power up the slice and configure it. */ - reg = titan_readl(CPTC1R); - reg &= ~(0x11100 << slice_xicap); - titan_writel(reg, CPTC1R); - - /* Enable slice & DLL. */ - reg= titan_readl(CPRR); - reg &= ~(0x00030003 << (slice_xicap * 2)); - titan_writel(reg, CPRR); - - /* Wait for DLLs to lock */ - tend = jiffies + DLL_TIMEOUT * HZ; - while (time_before(jiffies, tend)) { - if (!(~titan_readl(CPDSR) & (0x1 << (slice_xicap * 4)))) - break; - yield(); - } - - if (~titan_readl(CPDSR) & (0x1 << (slice_xicap * 4))) { - printk(KERN_ERR "%s: DLL not locked after %u seconds\n", - xicap_pdev.name, DLL_TIMEOUT); - retval = -ETIME; - } else { - /* Register platform device */ - retval = platform_device_register(&xicap_pdev); - } - - return retval; -} - -device_initcall(xicap_devinit); -#endif /* defined(CONFIG_EXCITE_FCAP_GPI) || defined(CONFIG_EXCITE_FCAP_GPI_MODULE) */ - - - -#if defined(CONFIG_WDT_RM9K_GPI) || defined(CONFIG_WDT_RM9K_GPI_MODULE) -static struct resource wdt_rsrc[] = { - RINIT(0, 0, WDT_RESOURCE_COUNTER, &excite_ctr_resource), - RINIT(0x0084, 0x008f, WDT_RESOURCE_REGS, &excite_titan_resource), - RINIT_IRQ(TITAN_IRQ, WDT_RESOURCE_IRQ) -}; - -static struct platform_device wdt_pdev = { - .name = WDT_NAME, - .id = -1, - .num_resources = ARRAY_SIZE(wdt_rsrc), - .resource = wdt_rsrc -}; - -/* - * Create a platform device for the GPI port that receives the - * image data from the embedded camera. - */ -static int __init wdt_devinit(void) -{ - adjust_resources(wdt_rsrc, ARRAY_SIZE(wdt_rsrc)); - return platform_device_register(&wdt_pdev); -} - -device_initcall(wdt_devinit); -#endif /* defined(CONFIG_WDT_RM9K_GPI) || defined(CONFIG_WDT_RM9K_GPI_MODULE) */ - - - -static struct resource excite_nandflash_rsrc[] = { - RINIT(0x2000, 0x201f, EXCITE_NANDFLASH_RESOURCE_REGS, &excite_nand_resource) -}; - -static struct platform_device excite_nandflash_pdev = { - .name = "excite_nand", - .id = NAND_UNIT, - .num_resources = ARRAY_SIZE(excite_nandflash_rsrc), - .resource = excite_nandflash_rsrc -}; - -/* - * Create a platform device for the access to the nand-flash - * port - */ -static int __init excite_nandflash_devinit(void) -{ - adjust_resources(excite_nandflash_rsrc, ARRAY_SIZE(excite_nandflash_rsrc)); - - /* nothing to be done here */ - - /* Register platform device */ - return platform_device_register(&excite_nandflash_pdev); -} - -device_initcall(excite_nandflash_devinit); - - - -static struct resource iodev_rsrc[] = { - RINIT_IRQ(FPGA1_IRQ, IODEV_RESOURCE_IRQ) -}; - -static struct platform_device io_pdev = { - .name = IODEV_NAME, - .id = -1, - .num_resources = ARRAY_SIZE(iodev_rsrc), - .resource = iodev_rsrc -}; - -/* - * Create a platform device for the external I/O ports. - */ -static int __init io_devinit(void) -{ - adjust_resources(iodev_rsrc, ARRAY_SIZE(iodev_rsrc)); - return platform_device_register(&io_pdev); -} - -device_initcall(io_devinit); - - - - -#if defined(CONFIG_RM9K_GE) || defined(CONFIG_RM9K_GE_MODULE) -static struct resource rm9k_ge_rsrc[] = { - RINIT(0x2200, 0x27ff, RM9K_GE_RESOURCE_MAC, &excite_titan_resource), - RINIT(0x1800, 0x1fff, RM9K_GE_RESOURCE_MSTAT, &excite_titan_resource), - RINIT(0x2000, 0x212f, RM9K_GE_RESOURCE_PKTPROC, &excite_titan_resource), - RINIT(0x5140, 0x5227, RM9K_GE_RESOURCE_XDMA, &excite_titan_resource), - RINIT(0x4870, 0x489f, RM9K_GE_RESOURCE_FIFO_RX, &excite_titan_resource), - RINIT(0x494c, 0x4957, RM9K_GE_RESOURCE_FIFO_TX, &excite_titan_resource), - RINIT(0x0000, 0x007f, RM9K_GE_RESOURCE_FIFOMEM_RX, &excite_fifomem_resource), - RINIT(0x0080, 0x00ff, RM9K_GE_RESOURCE_FIFOMEM_TX, &excite_fifomem_resource), - RINIT(0x0180, 0x019f, RM9K_GE_RESOURCE_PHY, &excite_titan_resource), - RINIT(0x0000, 0x03ff, RM9K_GE_RESOURCE_DMADESC_RX, &excite_scram_resource), - RINIT(0x0400, 0x07ff, RM9K_GE_RESOURCE_DMADESC_TX, &excite_scram_resource), - RINIT(slice_eth, slice_eth, RM9K_GE_RESOURCE_GPI_SLICE, &excite_gpislice_resource), - RINIT(0, 0, RM9K_GE_RESOURCE_MDIO_CHANNEL, &excite_mdio_channel_resource), - RINIT_IRQ(TITAN_IRQ, RM9K_GE_RESOURCE_IRQ_MAIN), - RINIT_IRQ(PHY_IRQ, RM9K_GE_RESOURCE_IRQ_PHY) -}; - -static struct platform_device rm9k_ge_pdev = { - .name = RM9K_GE_NAME, - .id = RM9K_GE_UNIT, - .num_resources = ARRAY_SIZE(rm9k_ge_rsrc), - .resource = rm9k_ge_rsrc -}; - - - -/* - * Create a platform device for the Ethernet port. - */ -static int __init rm9k_ge_devinit(void) -{ - u32 reg; - - adjust_resources(rm9k_ge_rsrc, ARRAY_SIZE(rm9k_ge_rsrc)); - - /* Power up the slice and configure it. */ - reg = titan_readl(CPTC1R); - reg &= ~(0x11000 << slice_eth); - reg |= 0x100 << slice_eth; - titan_writel(reg, CPTC1R); - - /* Take the MAC out of reset, reset the DLLs. */ - reg = titan_readl(CPRR); - reg &= ~(0x00030000 << (slice_eth * 2)); - reg |= 0x3 << (slice_eth * 2); - titan_writel(reg, CPRR); - - return platform_device_register(&rm9k_ge_pdev); -} - -device_initcall(rm9k_ge_devinit); -#endif /* defined(CONFIG_RM9K_GE) || defined(CONFIG_RM9K_GE_MODULE) */ - - - -static int __init excite_setup_devs(void) -{ - int res; - u32 reg; - - /* Enable xdma and fifo interrupts */ - reg = titan_readl(0x0050); - titan_writel(reg | 0x18000000, 0x0050); - - res = request_resource(&iomem_resource, &excite_titan_resource); - if (res) - return res; - res = request_resource(&iomem_resource, &excite_scram_resource); - if (res) - return res; - res = request_resource(&iomem_resource, &excite_fpga_resource); - if (res) - return res; - res = request_resource(&iomem_resource, &excite_nand_resource); - if (res) - return res; - excite_fpga_resource.flags = excite_fpga_resource.parent->flags & - ( IORESOURCE_IO | IORESOURCE_MEM - | IORESOURCE_IRQ | IORESOURCE_DMA); - excite_nand_resource.flags = excite_nand_resource.parent->flags & - ( IORESOURCE_IO | IORESOURCE_MEM - | IORESOURCE_IRQ | IORESOURCE_DMA); - - return 0; -} - -arch_initcall(excite_setup_devs); - diff --git a/arch/mips/basler/excite/excite_iodev.c b/arch/mips/basler/excite/excite_iodev.c deleted file mode 100644 index 938b1d0b765..00000000000 --- a/arch/mips/basler/excite/excite_iodev.c +++ /dev/null @@ -1,178 +0,0 @@ -/* - * Copyright (C) 2005 by Basler Vision Technologies AG - * Author: Thomas Koeller <thomas.koeller@baslerweb.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#include <linux/compiler.h> -#include <linux/init.h> -#include <linux/module.h> -#include <linux/sched.h> -#include <linux/wait.h> -#include <linux/poll.h> -#include <linux/interrupt.h> -#include <linux/platform_device.h> -#include <linux/miscdevice.h> -#include <linux/smp_lock.h> - -#include "excite_iodev.h" - - - -static const struct resource *iodev_get_resource(struct platform_device *, const char *, unsigned int); -static int __init iodev_probe(struct platform_device *); -static int __exit iodev_remove(struct platform_device *); -static int iodev_open(struct inode *, struct file *); -static int iodev_release(struct inode *, struct file *); -static ssize_t iodev_read(struct file *, char __user *, size_t s, loff_t *); -static unsigned int iodev_poll(struct file *, struct poll_table_struct *); -static irqreturn_t iodev_irqhdl(int, void *); - - - -static const char iodev_name[] = "iodev"; -static unsigned int iodev_irq; -static DECLARE_WAIT_QUEUE_HEAD(wq); - - - -static const struct file_operations fops = -{ - .owner = THIS_MODULE, - .open = iodev_open, - .release = iodev_release, - .read = iodev_read, - .poll = iodev_poll -}; - -static struct miscdevice miscdev = -{ - .minor = MISC_DYNAMIC_MINOR, - .name = iodev_name, - .fops = &fops -}; - -static struct platform_driver iodev_driver = { - .driver = { - .name = iodev_name, - .owner = THIS_MODULE, - }, - .probe = iodev_probe, - .remove = __devexit_p(iodev_remove), -}; - - - -static const struct resource * -iodev_get_resource(struct platform_device *pdv, const char *name, - unsigned int type) -{ - char buf[80]; - if (snprintf(buf, sizeof buf, "%s_0", name) >= sizeof buf) - return NULL; - return platform_get_resource_byname(pdv, type, buf); -} - - - -/* No hotplugging on the platform bus - use __init */ -static int __init iodev_probe(struct platform_device *dev) -{ - const struct resource * const ri = - iodev_get_resource(dev, IODEV_RESOURCE_IRQ, IORESOURCE_IRQ); - - if (unlikely(!ri)) - return -ENXIO; - - iodev_irq = ri->start; - return misc_register(&miscdev); -} - - - -static int __exit iodev_remove(struct platform_device *dev) -{ - return misc_deregister(&miscdev); -} - -static int iodev_open(struct inode *i, struct file *f) -{ - int ret; - - ret = request_irq(iodev_irq, iodev_irqhdl, IRQF_DISABLED, - iodev_name, &miscdev); - - return ret; -} - -static int iodev_release(struct inode *i, struct file *f) -{ - free_irq(iodev_irq, &miscdev); - return 0; -} - - - - -static ssize_t -iodev_read(struct file *f, char __user *d, size_t s, loff_t *o) -{ - ssize_t ret; - DEFINE_WAIT(w); - - prepare_to_wait(&wq, &w, TASK_INTERRUPTIBLE); - if (!signal_pending(current)) - schedule(); - ret = signal_pending(current) ? -ERESTARTSYS : 0; - finish_wait(&wq, &w); - return ret; -} - - -static unsigned int iodev_poll(struct file *f, struct poll_table_struct *p) -{ - poll_wait(f, &wq, p); - return POLLOUT | POLLWRNORM; -} - -static irqreturn_t iodev_irqhdl(int irq, void *ctxt) -{ - wake_up(&wq); - - return IRQ_HANDLED; -} - -static int __init iodev_init_module(void) -{ - return platform_driver_register(&iodev_driver); -} - - - -static void __exit iodev_cleanup_module(void) -{ - platform_driver_unregister(&iodev_driver); -} - -module_init(iodev_init_module); -module_exit(iodev_cleanup_module); - - - -MODULE_AUTHOR("Thomas Koeller <thomas.koeller@baslerweb.com>"); -MODULE_DESCRIPTION("Basler eXcite i/o interrupt handler"); -MODULE_VERSION("0.0"); -MODULE_LICENSE("GPL"); diff --git a/arch/mips/basler/excite/excite_iodev.h b/arch/mips/basler/excite/excite_iodev.h deleted file mode 100644 index cbfbb5d2ee6..00000000000 --- a/arch/mips/basler/excite/excite_iodev.h +++ /dev/null @@ -1,10 +0,0 @@ -#ifndef __EXCITE_IODEV_H__ -#define __EXCITE_IODEV_H__ - -/* Device name */ -#define IODEV_NAME "iodev" - -/* Resource names */ -#define IODEV_RESOURCE_IRQ "excite_iodev_irq" - -#endif /* __EXCITE_IODEV_H__ */ diff --git a/arch/mips/basler/excite/excite_irq.c b/arch/mips/basler/excite/excite_irq.c deleted file mode 100644 index 934e0a6b101..00000000000 --- a/arch/mips/basler/excite/excite_irq.c +++ /dev/null @@ -1,122 +0,0 @@ -/* - * Copyright (C) by Basler Vision Technologies AG - * Author: Thomas Koeller <thomas.koeller@baslereb.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#include <linux/errno.h> -#include <linux/init.h> -#include <linux/kernel_stat.h> -#include <linux/module.h> -#include <linux/signal.h> -#include <linux/sched.h> -#include <linux/types.h> -#include <linux/interrupt.h> -#include <linux/ioport.h> -#include <linux/timex.h> -#include <linux/slab.h> -#include <linux/random.h> -#include <linux/bitops.h> -#include <asm/bootinfo.h> -#include <asm/io.h> -#include <asm/irq.h> -#include <asm/irq_cpu.h> -#include <asm/mipsregs.h> -#include <asm/system.h> -#include <asm/rm9k-ocd.h> - -#include <excite.h> - -extern asmlinkage void excite_handle_int(void); - -/* - * Initialize the interrupt handler - */ -void __init arch_init_irq(void) -{ - mips_cpu_irq_init(); - rm7k_cpu_irq_init(); - rm9k_cpu_irq_init(); -} - -asmlinkage void plat_irq_dispatch(void) -{ - const u32 - interrupts = read_c0_cause() >> 8, - mask = ((read_c0_status() >> 8) & 0x000000ff) | - (read_c0_intcontrol() & 0x0000ff00), - pending = interrupts & mask; - u32 msgintflags, msgintmask, msgint; - - /* process timer interrupt */ - if (pending & (1 << TIMER_IRQ)) { - do_IRQ(TIMER_IRQ); - return; - } - - /* Process PCI interrupts */ -#if USB_IRQ < 10 - msgintflags = ocd_readl(INTP0Status0 + (USB_MSGINT / 0x20 * 0x10)); - msgintmask = ocd_readl(INTP0Mask0 + (USB_MSGINT / 0x20 * 0x10)); - msgint = msgintflags & msgintmask & (0x1 << (USB_MSGINT % 0x20)); - if ((pending & (1 << USB_IRQ)) && msgint) { -#else - if (pending & (1 << USB_IRQ)) { -#endif - do_IRQ(USB_IRQ); - return; - } - - /* Process TITAN interrupts */ - msgintflags = ocd_readl(INTP0Status0 + (TITAN_MSGINT / 0x20 * 0x10)); - msgintmask = ocd_readl(INTP0Mask0 + (TITAN_MSGINT / 0x20 * 0x10)); - msgint = msgintflags & msgintmask & (0x1 << (TITAN_MSGINT % 0x20)); - if ((pending & (1 << TITAN_IRQ)) && msgint) { - ocd_writel(msgint, INTP0Clear0 + (TITAN_MSGINT / 0x20 * 0x10)); - do_IRQ(TITAN_IRQ); - return; - } - - /* Process FPGA line #0 interrupts */ - msgintflags = ocd_readl(INTP0Status0 + (FPGA0_MSGINT / 0x20 * 0x10)); - msgintmask = ocd_readl(INTP0Mask0 + (FPGA0_MSGINT / 0x20 * 0x10)); - msgint = msgintflags & msgintmask & (0x1 << (FPGA0_MSGINT % 0x20)); - if ((pending & (1 << FPGA0_IRQ)) && msgint) { - do_IRQ(FPGA0_IRQ); - return; - } - - /* Process FPGA line #1 interrupts */ - msgintflags = ocd_readl(INTP0Status0 + (FPGA1_MSGINT / 0x20 * 0x10)); - msgintmask = ocd_readl(INTP0Mask0 + (FPGA1_MSGINT / 0x20 * 0x10)); - msgint = msgintflags & msgintmask & (0x1 << (FPGA1_MSGINT % 0x20)); - if ((pending & (1 << FPGA1_IRQ)) && msgint) { - do_IRQ(FPGA1_IRQ); - return; - } - - /* Process PHY interrupts */ - msgintflags = ocd_readl(INTP0Status0 + (PHY_MSGINT / 0x20 * 0x10)); - msgintmask = ocd_readl(INTP0Mask0 + (PHY_MSGINT / 0x20 * 0x10)); - msgint = msgintflags & msgintmask & (0x1 << (PHY_MSGINT % 0x20)); - if ((pending & (1 << PHY_IRQ)) && msgint) { - do_IRQ(PHY_IRQ); - return; - } - - /* Process spurious interrupts */ - spurious_interrupt(); -} diff --git a/arch/mips/basler/excite/excite_procfs.c b/arch/mips/basler/excite/excite_procfs.c deleted file mode 100644 index 08923e6825b..00000000000 --- a/arch/mips/basler/excite/excite_procfs.c +++ /dev/null @@ -1,92 +0,0 @@ -/* - * Copyright (C) 2004, 2005 by Basler Vision Technologies AG - * Author: Thomas Koeller <thomas.koeller@baslerweb.com> - * - * Procfs support for Basler eXcite - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ -#include <linux/module.h> -#include <linux/proc_fs.h> -#include <linux/seq_file.h> -#include <linux/stat.h> -#include <asm/page.h> -#include <asm/io.h> -#include <asm/system.h> -#include <asm/rm9k-ocd.h> - -#include <excite.h> - -static int excite_unit_id_proc_show(struct seq_file *m, void *v) -{ - seq_printf(m, "%06x", unit_id); - return 0; -} - -static int excite_unit_id_proc_open(struct inode *inode, struct file *file) -{ - return single_open(file, excite_unit_id_proc_show, NULL); -} - -static const struct file_operations excite_unit_id_proc_fops = { - .owner = THIS_MODULE, - .open = excite_unit_id_proc_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; - -static int -excite_bootrom_read(char *page, char **start, off_t off, int count, - int *eof, void *data) -{ - void __iomem * src; - - if (off >= EXCITE_SIZE_BOOTROM) { - *eof = 1; - return 0; - } - - if ((off + count) > EXCITE_SIZE_BOOTROM) - count = EXCITE_SIZE_BOOTROM - off; - - src = ioremap(EXCITE_PHYS_BOOTROM + off, count); - if (src) { - memcpy_fromio(page, src, count); - iounmap(src); - *start = page; - } else { - count = -ENOMEM; - } - - return count; -} - -void excite_procfs_init(void) -{ - /* Create & populate /proc/excite */ - struct proc_dir_entry * const pdir = proc_mkdir("excite", NULL); - if (pdir) { - struct proc_dir_entry * e; - - e = proc_create("unit_id", S_IRUGO, pdir, - &excite_unit_id_proc_fops); - if (e) e->size = 6; - - e = create_proc_read_entry("bootrom", S_IRUGO, pdir, - excite_bootrom_read, NULL); - if (e) e->size = EXCITE_SIZE_BOOTROM; - } -} diff --git a/arch/mips/basler/excite/excite_prom.c b/arch/mips/basler/excite/excite_prom.c deleted file mode 100644 index 68d8bc597e3..00000000000 --- a/arch/mips/basler/excite/excite_prom.c +++ /dev/null @@ -1,144 +0,0 @@ -/* - * Copyright (C) 2004, 2005 by Thomas Koeller (thomas.koeller@baslerweb.com) - * Based on the PMC-Sierra Yosemite board support by Ralf Baechle and - * Manish Lachwani. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#include <linux/init.h> -#include <linux/sched.h> -#include <linux/mm.h> -#include <linux/delay.h> -#include <linux/smp.h> -#include <linux/module.h> -#include <asm/io.h> -#include <asm/pgtable.h> -#include <asm/processor.h> -#include <asm/reboot.h> -#include <asm/system.h> -#include <asm/bootinfo.h> -#include <asm/string.h> - -#include <excite.h> - -/* This struct is used by Redboot to pass arguments to the kernel */ -typedef struct -{ - char *name; - char *val; -} t_env_var; - -struct parmblock { - t_env_var memsize; - t_env_var modetty0; - t_env_var ethaddr; - t_env_var env_end; - char *argv[2]; - char text[0]; -}; - -static unsigned int prom_argc; -static const char ** prom_argv; -static const t_env_var * prom_env; - -static void prom_halt(void) __attribute__((noreturn)); -static void prom_exit(void) __attribute__((noreturn)); - - - -const char *get_system_type(void) -{ - return "Basler eXcite"; -} - -/* - * Halt the system - */ -static void prom_halt(void) -{ - printk(KERN_NOTICE "\n** System halted.\n"); - while (1) - asm volatile ( - "\t.set\tmips3\n" - "\twait\n" - "\t.set\tmips0\n" - ); -} - -/* - * Reset the CPU and re-enter Redboot - */ -static void prom_exit(void) -{ - unsigned int i; - volatile unsigned char * const flg = - (volatile unsigned char *) (EXCITE_ADDR_FPGA + EXCITE_FPGA_DPR); - - /* Clear the watchdog reset flag, set the reboot flag */ - *flg &= ~0x01; - *flg |= 0x80; - - for (i = 0; i < 10; i++) { - *(volatile unsigned char *) (EXCITE_ADDR_FPGA + EXCITE_FPGA_SYSCTL) = 0x02; - iob(); - mdelay(1000); - } - - printk(KERN_NOTICE "Reset failed\n"); - prom_halt(); -} - -static const char __init *prom_getenv(char *name) -{ - const t_env_var * p; - for (p = prom_env; p->name != NULL; p++) - if(strcmp(name, p->name) == 0) - break; - return p->val; -} - -/* - * Init routine which accepts the variables from Redboot - */ -void __init prom_init(void) -{ - const struct parmblock * const pb = (struct parmblock *) fw_arg2; - - prom_argc = fw_arg0; - prom_argv = (const char **) fw_arg1; - prom_env = &pb->memsize; - - /* Callbacks for halt, restart */ - _machine_restart = (void (*)(char *)) prom_exit; - _machine_halt = prom_halt; - -#ifdef CONFIG_32BIT - /* copy command line */ - strcpy(arcs_cmdline, prom_argv[1]); - memsize = simple_strtol(prom_getenv("memsize"), NULL, 16); - strcpy(modetty, prom_getenv("modetty0")); -#endif /* CONFIG_32BIT */ - -#ifdef CONFIG_64BIT -# error 64 bit support not implemented -#endif /* CONFIG_64BIT */ -} - -/* This is called from free_initmem(), so we need to provide it */ -void __init prom_free_prom_memory(void) -{ - /* Nothing to do */ -} diff --git a/arch/mips/basler/excite/excite_setup.c b/arch/mips/basler/excite/excite_setup.c deleted file mode 100644 index d66b3b8edf2..00000000000 --- a/arch/mips/basler/excite/excite_setup.c +++ /dev/null @@ -1,302 +0,0 @@ -/* - * Copyright (C) 2004, 2005 by Basler Vision Technologies AG - * Author: Thomas Koeller <thomas.koeller@baslerweb.com> - * Based on the PMC-Sierra Yosemite board support by Ralf Baechle and - * Manish Lachwani. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#include <linux/types.h> -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/string.h> -#include <linux/tty.h> -#include <linux/serial_core.h> -#include <linux/serial.h> -#include <linux/serial_8250.h> -#include <linux/ioport.h> -#include <linux/spinlock.h> -#include <asm/bootinfo.h> -#include <asm/mipsregs.h> -#include <asm/pgtable-32.h> -#include <asm/io.h> -#include <asm/time.h> -#include <asm/rm9k-ocd.h> - -#include <excite.h> - -#define TITAN_UART_CLK 25000000 - -#if 1 -/* normal serial port assignment */ -#define REGBASE_SER0 0x0208 -#define REGBASE_SER1 0x0238 -#define MASK_SER0 0x1 -#define MASK_SER1 0x2 -#else -/* serial ports swapped */ -#define REGBASE_SER0 0x0238 -#define REGBASE_SER1 0x0208 -#define MASK_SER0 0x2 -#define MASK_SER1 0x1 -#endif - -unsigned long memsize; -char modetty[30]; -unsigned int titan_irq = TITAN_IRQ; -static void __iomem * ctl_regs; -u32 unit_id; - -volatile void __iomem * const ocd_base = (void *) (EXCITE_ADDR_OCD); -volatile void __iomem * const titan_base = (void *) (EXCITE_ADDR_TITAN); - -/* Protect access to shared GPI registers */ -DEFINE_SPINLOCK(titan_lock); -int titan_irqflags; - - -/* - * The eXcite platform uses the alternate timer interrupt - * - * Fixme: At the time of this writing cevt-r4k.c doesn't yet know about how - * to handle the alternate timer interrupt of the RM9000. - */ -void __init plat_time_init(void) -{ - const u32 modebit5 = ocd_readl(0x00e4); - unsigned int mult = ((modebit5 >> 11) & 0x1f) + 2; - unsigned int div = ((modebit5 >> 16) & 0x1f) + 2; - - if (div == 33) - div = 1; - mips_hpt_frequency = EXCITE_CPU_EXT_CLOCK * mult / div / 2; -} - -static int __init excite_init_console(void) -{ -#if defined(CONFIG_SERIAL_8250) - static __initdata char serr[] = - KERN_ERR "Serial port #%u setup failed\n"; - struct uart_port up; - - /* Take the DUART out of reset */ - titan_writel(0x00ff1cff, CPRR); - -#if (CONFIG_SERIAL_8250_NR_UARTS > 1) - /* Enable both ports */ - titan_writel(MASK_SER0 | MASK_SER1, UACFG); -#else - /* Enable port #0 only */ - titan_writel(MASK_SER0, UACFG); -#endif - - /* - * Set up serial port #0. Do not use autodetection; the result is - * not what we want. - */ - memset(&up, 0, sizeof(up)); - up.membase = (char *) titan_addr(REGBASE_SER0); - up.irq = TITAN_IRQ; - up.uartclk = TITAN_UART_CLK; - up.regshift = 0; - up.iotype = UPIO_RM9000; - up.type = PORT_RM9000; - up.flags = UPF_SHARE_IRQ; - up.line = 0; - if (early_serial_setup(&up)) - printk(serr, up.line); - -#if CONFIG_SERIAL_8250_NR_UARTS > 1 - /* And now for port #1. */ - up.membase = (char *) titan_addr(REGBASE_SER1); - up.line = 1; - if (early_serial_setup(&up)) - printk(serr, up.line); -#endif /* CONFIG_SERIAL_8250_NR_UARTS > 1 */ -#else - /* Leave the DUART in reset */ - titan_writel(0x00ff3cff, CPRR); -#endif /* defined(CONFIG_SERIAL_8250) */ - - return 0; -} - -static int __init excite_platform_init(void) -{ - unsigned int i; - unsigned char buf[3]; - u8 reg; - void __iomem * dpr; - - /* BIU buffer allocations */ - ocd_writel(8, CPURSLMT); /* CPU */ - titan_writel(4, CPGRWL); /* GPI / Ethernet */ - - /* Map control registers located in FPGA */ - ctl_regs = ioremap_nocache(EXCITE_PHYS_FPGA + EXCITE_FPGA_SYSCTL, 16); - if (!ctl_regs) - panic("eXcite: failed to map platform control registers\n"); - memcpy_fromio(buf, ctl_regs + 2, ARRAY_SIZE(buf)); - unit_id = buf[0] | (buf[1] << 8) | (buf[2] << 16); - - /* Clear the reboot flag */ - dpr = ioremap_nocache(EXCITE_PHYS_FPGA + EXCITE_FPGA_DPR, 1); - reg = __raw_readb(dpr); - __raw_writeb(reg & 0x7f, dpr); - iounmap(dpr); - - /* Interrupt controller setup */ - for (i = INTP0Status0; i < INTP0Status0 + 0x80; i += 0x10) { - ocd_writel(0x00000000, i + 0x04); - ocd_writel(0xffffffff, i + 0x0c); - } - ocd_writel(0x2, NMICONFIG); - - ocd_writel(0x1 << (TITAN_MSGINT % 0x20), - INTP0Mask0 + (0x10 * (TITAN_MSGINT / 0x20))); - ocd_writel((0x1 << (FPGA0_MSGINT % 0x20)) - | ocd_readl(INTP0Mask0 + (0x10 * (FPGA0_MSGINT / 0x20))), - INTP0Mask0 + (0x10 * (FPGA0_MSGINT / 0x20))); - ocd_writel((0x1 << (FPGA1_MSGINT % 0x20)) - | ocd_readl(INTP0Mask0 + (0x10 * (FPGA1_MSGINT / 0x20))), - INTP0Mask0 + (0x10 * (FPGA1_MSGINT / 0x20))); - ocd_writel((0x1 << (PHY_MSGINT % 0x20)) - | ocd_readl(INTP0Mask0 + (0x10 * (PHY_MSGINT / 0x20))), - INTP0Mask0 + (0x10 * (PHY_MSGINT / 0x20))); -#if USB_IRQ < 10 - ocd_writel((0x1 << (USB_MSGINT % 0x20)) - | ocd_readl(INTP0Mask0 + (0x10 * (USB_MSGINT / 0x20))), - INTP0Mask0 + (0x10 * (USB_MSGINT / 0x20))); -#endif - /* Enable the packet FIFO, XDMA and XDMA arbiter */ - titan_writel(0x00ff18ff, CPRR); - - /* - * Set up the PADMUX. Power down all ethernet slices, - * they will be powered up and configured at device startup. - */ - titan_writel(0x00878206, CPTC1R); - titan_writel(0x00001100, CPTC0R); /* latch PADMUX, enable WCIMODE */ - - /* Reset and enable the FIFO block */ - titan_writel(0x00000001, SDRXFCIE); - titan_writel(0x00000001, SDTXFCIE); - titan_writel(0x00000100, SDRXFCIE); - titan_writel(0x00000000, SDTXFCIE); - - /* - * Initialize the common interrupt shared by all components of - * the GPI/Ethernet subsystem. - */ - titan_writel((EXCITE_PHYS_OCD >> 12), CPCFG0); - titan_writel(TITAN_MSGINT, CPCFG1); - - /* - * XDMA configuration. - * In order for the XDMA to be sharable among multiple drivers, - * the setup must be done here in the platform. The reason is that - * this setup can only be done while the XDMA is in reset. If this - * were done in a driver, it would interrupt all other drivers - * using the XDMA. - */ - titan_writel(0x80021dff, GXCFG); /* XDMA reset */ - titan_writel(0x00000000, CPXCISRA); - titan_writel(0x00000000, CPXCISRB); /* clear pending interrupts */ -#if defined(CONFIG_HIGHMEM) -# error change for HIGHMEM support! -#else - titan_writel(0x00000000, GXDMADRPFX); /* buffer address prefix */ -#endif - titan_writel(0, GXDMA_DESCADR); - - for (i = 0x5040; i <= 0x5300; i += 0x0040) - titan_writel(0x80080000, i); /* reset channel */ - - titan_writel((0x1 << 29) /* no sparse tx descr. */ - | (0x1 << 28) /* no sparse rx descr. */ - | (0x1 << 23) | (0x1 << 24) /* descriptor coherency */ - | (0x1 << 21) | (0x1 << 22) /* data coherency */ - | (0x1 << 17) - | 0x1dff, - GXCFG); - -#if defined(CONFIG_SMP) -# error No SMP support -#else - /* All interrupts go to core #0 only. */ - titan_writel(0x1f007fff, CPDST0A); - titan_writel(0x00000000, CPDST0B); - titan_writel(0x0000ff3f, CPDST1A); - titan_writel(0x00000000, CPDST1B); - titan_writel(0x00ffffff, CPXDSTA); - titan_writel(0x00000000, CPXDSTB); -#endif - - /* Enable DUART interrupts, disable everything else. */ - titan_writel(0x04000000, CPGIG0ER); - titan_writel(0x000000c0, CPGIG1ER); - - excite_procfs_init(); - return 0; -} - -void __init plat_mem_setup(void) -{ - volatile u32 * const boot_ocd_base = (u32 *) 0xbf7fc000; - - /* Announce RAM to system */ - add_memory_region(0x00000000, memsize, BOOT_MEM_RAM); - - /* Set up the peripheral address map */ - *(boot_ocd_base + (LKB9 / sizeof(u32))) = 0; - *(boot_ocd_base + (LKB10 / sizeof(u32))) = 0; - *(boot_ocd_base + (LKB11 / sizeof(u32))) = 0; - *(boot_ocd_base + (LKB12 / sizeof(u32))) = 0; - wmb(); - *(boot_ocd_base + (LKB0 / sizeof(u32))) = EXCITE_PHYS_OCD >> 4; - wmb(); - - ocd_writel((EXCITE_PHYS_TITAN >> 4) | 0x1UL, LKB5); - ocd_writel(((EXCITE_SIZE_TITAN >> 4) & 0x7fffff00) - 0x100, LKM5); - ocd_writel((EXCITE_PHYS_SCRAM >> 4) | 0x1UL, LKB13); - ocd_writel(((EXCITE_SIZE_SCRAM >> 4) & 0xffffff00) - 0x100, LKM13); - - /* Local bus slot #0 */ - ocd_writel(0x00040510, LDP0); - ocd_writel((EXCITE_PHYS_BOOTROM >> 4) | 0x1UL, LKB9); - ocd_writel(((EXCITE_SIZE_BOOTROM >> 4) & 0x03ffff00) - 0x100, LKM9); - - /* Local bus slot #2 */ - ocd_writel(0x00000330, LDP2); - ocd_writel((EXCITE_PHYS_FPGA >> 4) | 0x1, LKB11); - ocd_writel(((EXCITE_SIZE_FPGA >> 4) - 0x100) & 0x03ffff00, LKM11); - - /* Local bus slot #3 */ - ocd_writel(0x00123413, LDP3); - ocd_writel((EXCITE_PHYS_NAND >> 4) | 0x1, LKB12); - ocd_writel(((EXCITE_SIZE_NAND >> 4) - 0x100) & 0x03ffff00, LKM12); -} - - - -console_initcall(excite_init_console); -arch_initcall(excite_platform_init); - -EXPORT_SYMBOL(titan_lock); -EXPORT_SYMBOL(titan_irqflags); -EXPORT_SYMBOL(titan_irq); -EXPORT_SYMBOL(ocd_base); -EXPORT_SYMBOL(titan_base); diff --git a/arch/mips/bcm47xx/prom.c b/arch/mips/bcm47xx/prom.c index fb284c3b2cf..c51405e5792 100644 --- a/arch/mips/bcm47xx/prom.c +++ b/arch/mips/bcm47xx/prom.c @@ -100,11 +100,11 @@ static __init void prom_init_console(void) static __init void prom_init_cmdline(void) { - static char buf[CL_SIZE] __initdata; + static char buf[COMMAND_LINE_SIZE] __initdata; /* Get the kernel command line from CFE */ - if (cfe_getenv("LINUX_CMDLINE", buf, CL_SIZE) >= 0) { - buf[CL_SIZE-1] = 0; + if (cfe_getenv("LINUX_CMDLINE", buf, COMMAND_LINE_SIZE) >= 0) { + buf[COMMAND_LINE_SIZE - 1] = 0; strcpy(arcs_cmdline, buf); } @@ -112,13 +112,13 @@ static __init void prom_init_cmdline(void) * as CFE is not available anymore later in the boot process. */ if ((strstr(arcs_cmdline, "console=")) == NULL) { /* Try to read the default serial port used by CFE */ - if ((cfe_getenv("BOOT_CONSOLE", buf, CL_SIZE) < 0) + if ((cfe_getenv("BOOT_CONSOLE", buf, COMMAND_LINE_SIZE) < 0) || (strncmp("uart", buf, 4))) /* Default to uart0 */ strcpy(buf, "uart0"); /* Compute the new command line */ - snprintf(arcs_cmdline, CL_SIZE, "%s console=ttyS%c,115200", + snprintf(arcs_cmdline, COMMAND_LINE_SIZE, "%s console=ttyS%c,115200", arcs_cmdline, buf[4]); } } diff --git a/arch/mips/boot/Makefile b/arch/mips/boot/Makefile index 2a209d74f0b..094bc84765a 100644 --- a/arch/mips/boot/Makefile +++ b/arch/mips/boot/Makefile @@ -25,7 +25,7 @@ strip-flags = $(addprefix --remove-section=,$(drop-sections)) VMLINUX = vmlinux -all: vmlinux.ecoff vmlinux.srec addinitrd +all: vmlinux.ecoff vmlinux.srec vmlinux.ecoff: $(obj)/elf2ecoff $(VMLINUX) $(obj)/elf2ecoff $(VMLINUX) vmlinux.ecoff $(E2EFLAGS) @@ -39,11 +39,7 @@ vmlinux.bin: $(VMLINUX) vmlinux.srec: $(VMLINUX) $(OBJCOPY) -S -O srec $(strip-flags) $(VMLINUX) $(obj)/vmlinux.srec -$(obj)/addinitrd: $(obj)/addinitrd.c - $(HOSTCC) -o $@ $^ - -clean-files += addinitrd \ - elf2ecoff \ +clean-files += elf2ecoff \ vmlinux.bin \ vmlinux.ecoff \ vmlinux.srec diff --git a/arch/mips/boot/addinitrd.c b/arch/mips/boot/addinitrd.c deleted file mode 100644 index b5b3febc10c..00000000000 --- a/arch/mips/boot/addinitrd.c +++ /dev/null @@ -1,131 +0,0 @@ -/* - * addinitrd - program to add a initrd image to an ecoff kernel - * - * (C) 1999 Thomas Bogendoerfer - * minor modifications, cleanup: Guido Guenther <agx@sigxcpu.org> - * further cleanup: Maciej W. Rozycki - */ - -#include <sys/types.h> -#include <sys/stat.h> -#include <fcntl.h> -#include <unistd.h> -#include <stdio.h> -#include <netinet/in.h> - -#include "ecoff.h" - -#define MIPS_PAGE_SIZE 4096 -#define MIPS_PAGE_MASK (MIPS_PAGE_SIZE-1) - -#define swab16(x) \ - ((unsigned short)( \ - (((unsigned short)(x) & (unsigned short)0x00ffU) << 8) | \ - (((unsigned short)(x) & (unsigned short)0xff00U) >> 8) )) - -#define swab32(x) \ - ((unsigned int)( \ - (((unsigned int)(x) & (unsigned int)0x000000ffUL) << 24) | \ - (((unsigned int)(x) & (unsigned int)0x0000ff00UL) << 8) | \ - (((unsigned int)(x) & (unsigned int)0x00ff0000UL) >> 8) | \ - (((unsigned int)(x) & (unsigned int)0xff000000UL) >> 24) )) - -#define SWAB(a) (swab ? swab32(a) : (a)) - -void die(char *s) -{ - perror(s); - exit(1); -} - -int main(int argc, char *argv[]) -{ - int fd_vmlinux, fd_initrd, fd_outfile; - FILHDR efile; - AOUTHDR eaout; - SCNHDR esecs[3]; - struct stat st; - char buf[1024]; - unsigned long loadaddr; - unsigned long initrd_header[2]; - int i, cnt; - int swab = 0; - - if (argc != 4) { - printf("Usage: %s <vmlinux> <initrd> <outfile>\n", argv[0]); - exit(1); - } - - if ((fd_vmlinux = open (argv[1], O_RDONLY)) < 0) - die("open vmlinux"); - if (read (fd_vmlinux, &efile, sizeof efile) != sizeof efile) - die("read file header"); - if (read (fd_vmlinux, &eaout, sizeof eaout) != sizeof eaout) - die("read aout header"); - if (read (fd_vmlinux, esecs, sizeof esecs) != sizeof esecs) - die("read section headers"); - /* - * check whether the file is good for us - */ - /* TBD */ - - /* - * check, if we have to swab words - */ - if (ntohs(0xaa55) == 0xaa55) { - if (efile.f_magic == swab16(MIPSELMAGIC)) - swab = 1; - } else { - if (efile.f_magic == swab16(MIPSEBMAGIC)) - swab = 1; - } - - /* make sure we have an empty data segment for the initrd */ - if (eaout.dsize || esecs[1].s_size) { - fprintf(stderr, "Data segment not empty. Giving up!\n"); - exit(1); - } - if ((fd_initrd = open (argv[2], O_RDONLY)) < 0) - die("open initrd"); - if (fstat (fd_initrd, &st) < 0) - die("fstat initrd"); - loadaddr = ((SWAB(esecs[2].s_vaddr) + SWAB(esecs[2].s_size) - + MIPS_PAGE_SIZE-1) & ~MIPS_PAGE_MASK) - 8; - if (loadaddr < (SWAB(esecs[2].s_vaddr) + SWAB(esecs[2].s_size))) - loadaddr += MIPS_PAGE_SIZE; - initrd_header[0] = SWAB(0x494E5244); - initrd_header[1] = SWAB(st.st_size); - eaout.dsize = esecs[1].s_size = initrd_header[1] = SWAB(st.st_size+8); - eaout.data_start = esecs[1].s_vaddr = esecs[1].s_paddr = SWAB(loadaddr); - - if ((fd_outfile = open (argv[3], O_RDWR|O_CREAT|O_TRUNC, 0666)) < 0) - die("open outfile"); - if (write (fd_outfile, &efile, sizeof efile) != sizeof efile) - die("write file header"); - if (write (fd_outfile, &eaout, sizeof eaout) != sizeof eaout) - die("write aout header"); - if (write (fd_outfile, esecs, sizeof esecs) != sizeof esecs) - die("write section headers"); - /* skip padding */ - if(lseek(fd_vmlinux, SWAB(esecs[0].s_scnptr), SEEK_SET) == (off_t)-1) - die("lseek vmlinux"); - if(lseek(fd_outfile, SWAB(esecs[0].s_scnptr), SEEK_SET) == (off_t)-1) - die("lseek outfile"); - /* copy text segment */ - cnt = SWAB(eaout.tsize); - while (cnt) { - if ((i = read (fd_vmlinux, buf, sizeof buf)) <= 0) - die("read vmlinux"); - if (write (fd_outfile, buf, i) != i) - die("write vmlinux"); - cnt -= i; - } - if (write (fd_outfile, initrd_header, sizeof initrd_header) != sizeof initrd_header) - die("write initrd header"); - while ((i = read (fd_initrd, buf, sizeof buf)) > 0) - if (write (fd_outfile, buf, i) != i) - die("write initrd"); - close(fd_vmlinux); - close(fd_initrd); - return 0; -} diff --git a/arch/mips/boot/compressed/Makefile b/arch/mips/boot/compressed/Makefile new file mode 100644 index 00000000000..e27f40bbd4e --- /dev/null +++ b/arch/mips/boot/compressed/Makefile @@ -0,0 +1,100 @@ +# +# This file is subject to the terms and conditions of the GNU General Public +# License. +# +# Adapted for MIPS Pete Popov, Dan Malek +# +# Copyright (C) 1994 by Linus Torvalds +# Adapted for PowerPC by Gary Thomas +# modified by Cort (cort@cs.nmt.edu) +# +# Copyright (C) 2009 Lemote Inc. & DSLab, Lanzhou University +# Author: Wu Zhangjin <wuzj@lemote.com> +# + +# compressed kernel load addr: VMLINUZ_LOAD_ADDRESS > VMLINUX_LOAD_ADDRESS + VMLINUX_SIZE +VMLINUX_SIZE := $(shell wc -c $(objtree)/$(KBUILD_IMAGE) 2>/dev/null | cut -d' ' -f1) +VMLINUX_SIZE := $(shell [ -n "$(VMLINUX_SIZE)" ] && echo $$(($(VMLINUX_SIZE) + (65536 - $(VMLINUX_SIZE) % 65536)))) +VMLINUZ_LOAD_ADDRESS := 0x$(shell [ -n "$(VMLINUX_SIZE)" ] && printf %x $$(($(VMLINUX_LOAD_ADDRESS) + $(VMLINUX_SIZE)))) + +# set the default size of the mallocing area for decompressing +BOOT_HEAP_SIZE := 0x400000 + +# Disable Function Tracer +KBUILD_CFLAGS := $(shell echo $(KBUILD_CFLAGS) | sed -e "s/-pg//") + +KBUILD_CFLAGS := $(LINUXINCLUDE) $(KBUILD_CFLAGS) -D__KERNEL__ \ + -DBOOT_HEAP_SIZE=$(BOOT_HEAP_SIZE) -D"VMLINUX_LOAD_ADDRESS_ULL=$(VMLINUX_LOAD_ADDRESS)ull" \ + +KBUILD_AFLAGS := $(LINUXINCLUDE) $(KBUILD_AFLAGS) -D__ASSEMBLY__ \ + -DKERNEL_ENTRY=0x$(shell $(NM) $(objtree)/$(KBUILD_IMAGE) 2>/dev/null | grep " kernel_entry" | cut -f1 -d \ ) \ + -DBOOT_HEAP_SIZE=$(BOOT_HEAP_SIZE) + +obj-y := $(obj)/head.o $(obj)/decompress.o $(obj)/dbg.o + +obj-$(CONFIG_SYS_SUPPORTS_ZBOOT_UART16550) += $(obj)/uart-16550.o + +OBJCOPYFLAGS_vmlinux.bin := $(OBJCOPYFLAGS) -O binary -R .comment -S +$(obj)/vmlinux.bin: $(KBUILD_IMAGE) + $(call if_changed,objcopy) + +suffix_$(CONFIG_KERNEL_GZIP) = gz +suffix_$(CONFIG_KERNEL_BZIP2) = bz2 +suffix_$(CONFIG_KERNEL_LZMA) = lzma +tool_$(CONFIG_KERNEL_GZIP) = gzip +tool_$(CONFIG_KERNEL_BZIP2) = bzip2 +tool_$(CONFIG_KERNEL_LZMA) = lzma +$(obj)/vmlinux.$(suffix_y): $(obj)/vmlinux.bin + $(call if_changed,$(tool_y)) + +$(obj)/piggy.o: $(obj)/vmlinux.$(suffix_y) $(obj)/dummy.o + $(Q)$(OBJCOPY) $(OBJCOPYFLAGS) \ + --add-section=.image=$< \ + --set-section-flags=.image=contents,alloc,load,readonly,data \ + $(obj)/dummy.o $@ + +LDFLAGS_vmlinuz := $(LDFLAGS) -Ttext $(VMLINUZ_LOAD_ADDRESS) -T +vmlinuz: $(src)/ld.script $(obj-y) $(obj)/piggy.o + $(call if_changed,ld) + $(Q)$(OBJCOPY) $(OBJCOPYFLAGS) -R .comment -R .stab -R .stabstr -R .initrd -R .sysmap $@ + +# +# Some DECstations need all possible sections of an ECOFF executable +# +ifdef CONFIG_MACH_DECSTATION + E2EFLAGS = -a +else + E2EFLAGS = +endif + +# elf2ecoff can only handle 32bit image + +ifdef CONFIG_32BIT + VMLINUZ = vmlinuz +else + VMLINUZ = vmlinuz.32 +endif + +vmlinuz.32: vmlinuz + $(Q)$(OBJCOPY) -O $(32bit-bfd) $(OBJCOPYFLAGS) $< $@ + +vmlinuz.ecoff: $(obj)/../elf2ecoff $(VMLINUZ) + $(Q)$(obj)/../elf2ecoff $(VMLINUZ) vmlinuz.ecoff $(E2EFLAGS) + +$(obj)/../elf2ecoff: $(src)/../elf2ecoff.c + $(Q)$(HOSTCC) -o $@ $^ + +drop-sections = .reginfo .mdebug .comment .note .pdr .options .MIPS.options +strip-flags = $(addprefix --remove-section=,$(drop-sections)) + +OBJCOPYFLAGS_vmlinuz.bin := $(OBJCOPYFLAGS) -O binary $(strip-flags) +vmlinuz.bin: vmlinuz + $(call if_changed,objcopy) + +OBJCOPYFLAGS_vmlinuz.srec := $(OBJCOPYFLAGS) -S -O srec $(strip-flags) +vmlinuz.srec: vmlinuz + $(call if_changed,objcopy) + +clean: +clean-files += *.o \ + vmlinu* diff --git a/arch/mips/boot/compressed/dbg.c b/arch/mips/boot/compressed/dbg.c new file mode 100644 index 00000000000..ff4dc7a33a9 --- /dev/null +++ b/arch/mips/boot/compressed/dbg.c @@ -0,0 +1,37 @@ +/* + * MIPS-specific debug support for pre-boot environment + * + * NOTE: putc() is board specific, if your board have a 16550 compatible uart, + * please select SYS_SUPPORTS_ZBOOT_UART16550 for your machine. othewise, you + * need to implement your own putc(). + */ + +#include <linux/init.h> +#include <linux/types.h> + +void __attribute__ ((weak)) putc(char c) +{ +} + +void puts(const char *s) +{ + char c; + while ((c = *s++) != '\0') { + putc(c); + if (c == '\n') + putc('\r'); + } +} + +void puthex(unsigned long long val) +{ + + unsigned char buf[10]; + int i; + for (i = 7; i >= 0; i--) { + buf[i] = "0123456789ABCDEF"[val & 0x0F]; + val >>= 4; + } + buf[8] = '\0'; + puts(buf); +} diff --git a/arch/mips/boot/compressed/decompress.c b/arch/mips/boot/compressed/decompress.c new file mode 100644 index 00000000000..67330c2f731 --- /dev/null +++ b/arch/mips/boot/compressed/decompress.c @@ -0,0 +1,126 @@ +/* + * Misc. bootloader code for many machines. + * + * Copyright 2001 MontaVista Software Inc. + * Author: Matt Porter <mporter@mvista.com> Derived from + * arch/ppc/boot/prep/misc.c + * + * Copyright (C) 2009 Lemote, Inc. & Institute of Computing Technology + * Author: Wu Zhangjin <wuzj@lemote.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include <linux/types.h> +#include <linux/kernel.h> + +#include <asm/addrspace.h> + +/* These two variables specify the free mem region + * that can be used for temporary malloc area + */ +unsigned long free_mem_ptr; +unsigned long free_mem_end_ptr; +char *zimage_start; + +/* The linker tells us where the image is. */ +extern unsigned char __image_begin, __image_end; +extern unsigned char __ramdisk_begin, __ramdisk_end; +unsigned long initrd_size; + +/* debug interfaces */ +extern void puts(const char *s); +extern void puthex(unsigned long long val); + +void error(char *x) +{ + puts("\n\n"); + puts(x); + puts("\n\n -- System halted"); + + while (1) + ; /* Halt */ +} + +/* activate the code for pre-boot environment */ +#define STATIC static + +#ifdef CONFIG_KERNEL_GZIP +void *memcpy(void *dest, const void *src, size_t n) +{ + int i; + const char *s = src; + char *d = dest; + + for (i = 0; i < n; i++) + d[i] = s[i]; + return dest; +} +#include "../../../../lib/decompress_inflate.c" +#endif + +#ifdef CONFIG_KERNEL_BZIP2 +void *memset(void *s, int c, size_t n) +{ + int i; + char *ss = s; + + for (i = 0; i < n; i++) + ss[i] = c; + return s; +} +#include "../../../../lib/decompress_bunzip2.c" +#endif + +#ifdef CONFIG_KERNEL_LZMA +#include "../../../../lib/decompress_unlzma.c" +#endif + +void decompress_kernel(unsigned long boot_heap_start) +{ + int zimage_size; + + /* + * We link ourself to an arbitrary low address. When we run, we + * relocate outself to that address. __image_beign points to + * the part of the image where the zImage is. -- Tom + */ + zimage_start = (char *)(unsigned long)(&__image_begin); + zimage_size = (unsigned long)(&__image_end) - + (unsigned long)(&__image_begin); + + /* + * The zImage and initrd will be between start and _end, so they've + * already been moved once. We're good to go now. -- Tom + */ + puts("zimage at: "); + puthex((unsigned long)zimage_start); + puts(" "); + puthex((unsigned long)(zimage_size + zimage_start)); + puts("\n"); + + if (initrd_size) { + puts("initrd at: "); + puthex((unsigned long)(&__ramdisk_begin)); + puts(" "); + puthex((unsigned long)(&__ramdisk_end)); + puts("\n"); + } + + /* this area are prepared for mallocing when decompressing */ + free_mem_ptr = boot_heap_start; + free_mem_end_ptr = boot_heap_start + BOOT_HEAP_SIZE; + + /* Display standard Linux/MIPS boot prompt for kernel args */ + puts("Uncompressing Linux at load address "); + puthex(VMLINUX_LOAD_ADDRESS_ULL); + puts("\n"); + /* Decompress the kernel with according algorithm */ + decompress(zimage_start, zimage_size, 0, 0, + (void *)VMLINUX_LOAD_ADDRESS_ULL, 0, error); + /* FIXME: is there a need to flush cache here? */ + puts("Now, booting the kernel...\n"); +} diff --git a/arch/mips/boot/compressed/dummy.c b/arch/mips/boot/compressed/dummy.c new file mode 100644 index 00000000000..31dbf45bf99 --- /dev/null +++ b/arch/mips/boot/compressed/dummy.c @@ -0,0 +1,4 @@ +int main(void) +{ + return 0; +} diff --git a/arch/mips/boot/compressed/head.S b/arch/mips/boot/compressed/head.S new file mode 100644 index 00000000000..4e65a8420be --- /dev/null +++ b/arch/mips/boot/compressed/head.S @@ -0,0 +1,56 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 1994, 1995 Waldorf Electronics + * Written by Ralf Baechle and Andreas Busse + * Copyright (C) 1995 - 1999 Ralf Baechle + * Copyright (C) 1996 Paul M. Antoine + * Modified for DECStation and hence R3000 support by Paul M. Antoine + * Further modifications by David S. Miller and Harald Koerfgen + * Copyright (C) 1999 Silicon Graphics, Inc. + */ + +#include <asm/asm.h> +#include <asm/regdef.h> + + .set noreorder + .cprestore + LEAF(start) +start: + /* Save boot rom start args */ + move s0, a0 + move s1, a1 + move s2, a2 + move s3, a3 + + /* Clear BSS */ + PTR_LA a0, _edata + PTR_LA a2, _end +1: sw zero, 0(a0) + bne a2, a0, 1b + addiu a0, a0, 4 + + PTR_LA a0, (.heap) /* heap address */ + PTR_LA sp, (.stack + 8192) /* stack address */ + + PTR_LA ra, 2f + PTR_LA k0, decompress_kernel + jr k0 + nop +2: + move a0, s0 + move a1, s1 + move a2, s2 + move a3, s3 + PTR_LI k0, KERNEL_ENTRY + jr k0 + nop +3: + b 3b + nop + END(start) + + .comm .heap,BOOT_HEAP_SIZE,4 + .comm .stack,4096*2,4 diff --git a/arch/mips/boot/compressed/ld.script b/arch/mips/boot/compressed/ld.script new file mode 100644 index 00000000000..29e9f4c0d5d --- /dev/null +++ b/arch/mips/boot/compressed/ld.script @@ -0,0 +1,150 @@ +OUTPUT_ARCH(mips) +ENTRY(start) +SECTIONS +{ + /* Read-only sections, merged into text segment: */ + .init : { *(.init) } =0 + .text : + { + _ftext = . ; + *(.text) + *(.rodata) + *(.rodata1) + /* .gnu.warning sections are handled specially by elf32.em. */ + *(.gnu.warning) + } =0 + .kstrtab : { *(.kstrtab) } + + . = ALIGN(16); /* Exception table */ + __start___ex_table = .; + __ex_table : { *(__ex_table) } + __stop___ex_table = .; + + __start___dbe_table = .; /* Exception table for data bus errors */ + __dbe_table : { *(__dbe_table) } + __stop___dbe_table = .; + + __start___ksymtab = .; /* Kernel symbol table */ + __ksymtab : { *(__ksymtab) } + __stop___ksymtab = .; + + _etext = .; + + . = ALIGN(8192); + .data.init_task : { *(.data.init_task) } + + /* Startup code */ + . = ALIGN(4096); + __init_begin = .; + .text.init : { *(.text.init) } + .data.init : { *(.data.init) } + . = ALIGN(16); + __setup_start = .; + .setup.init : { *(.setup.init) } + __setup_end = .; + __initcall_start = .; + .initcall.init : { *(.initcall.init) } + __initcall_end = .; + . = ALIGN(4096); /* Align double page for init_task_union */ + __init_end = .; + + . = ALIGN(4096); + .data.page_aligned : { *(.data.idt) } + + . = ALIGN(32); + .data.cacheline_aligned : { *(.data.cacheline_aligned) } + + .fini : { *(.fini) } =0 + .reginfo : { *(.reginfo) } + /* Adjust the address for the data segment. We want to adjust up to + the same address within the page on the next page up. It would + be more correct to do this: + . = .; + The current expression does not correctly handle the case of a + text segment ending precisely at the end of a page; it causes the + data segment to skip a page. The above expression does not have + this problem, but it will currently (2/95) cause BFD to allocate + a single segment, combining both text and data, for this case. + This will prevent the text segment from being shared among + multiple executions of the program; I think that is more + important than losing a page of the virtual address space (note + that no actual memory is lost; the page which is skipped can not + be referenced). */ + . = .; + .data : + { + _fdata = . ; + *(.data) + + /* Put the compressed image here, so bss is on the end. */ + __image_begin = .; + *(.image) + __image_end = .; + /* Align the initial ramdisk image (INITRD) on page boundaries. */ + . = ALIGN(4096); + __ramdisk_begin = .; + *(.initrd) + __ramdisk_end = .; + . = ALIGN(4096); + + CONSTRUCTORS + } + .data1 : { *(.data1) } + _gp = . + 0x8000; + .lit8 : { *(.lit8) } + .lit4 : { *(.lit4) } + .ctors : { *(.ctors) } + .dtors : { *(.dtors) } + .got : { *(.got.plt) *(.got) } + .dynamic : { *(.dynamic) } + /* We want the small data sections together, so single-instruction offsets + can access them all, and initialized data all before uninitialized, so + we can shorten the on-disk segment size. */ + .sdata : { *(.sdata) } + . = ALIGN(4); + _edata = .; + PROVIDE (edata = .); + + __bss_start = .; + _fbss = .; + .sbss : { *(.sbss) *(.scommon) } + .bss : + { + *(.dynbss) + *(.bss) + *(COMMON) + . = ALIGN(4); + _end = . ; + PROVIDE (end = .); + } + + /* Sections to be discarded */ + /DISCARD/ : + { + *(.text.exit) + *(.data.exit) + *(.exitcall.exit) + } + + /* This is the MIPS specific mdebug section. */ + .mdebug : { *(.mdebug) } + /* These are needed for ELF backends which have not yet been + converted to the new style linker. */ + .stab 0 : { *(.stab) } + .stabstr 0 : { *(.stabstr) } + /* DWARF debug sections. + Symbols in the .debug DWARF section are relative to the beginning of the + section so we begin .debug at 0. It's not clear yet what needs to happen + for the others. */ + .debug 0 : { *(.debug) } + .debug_srcinfo 0 : { *(.debug_srcinfo) } + .debug_aranges 0 : { *(.debug_aranges) } + .debug_pubnames 0 : { *(.debug_pubnames) } + .debug_sfnames 0 : { *(.debug_sfnames) } + .line 0 : { *(.line) } + /* These must appear regardless of . */ + .gptab.sdata : { *(.gptab.data) *(.gptab.sdata) } + .gptab.sbss : { *(.gptab.bss) *(.gptab.sbss) } + .comment : { *(.comment) } + .note : { *(.note) } +} diff --git a/arch/mips/boot/compressed/uart-16550.c b/arch/mips/boot/compressed/uart-16550.c new file mode 100644 index 00000000000..c9caaf4fbf6 --- /dev/null +++ b/arch/mips/boot/compressed/uart-16550.c @@ -0,0 +1,43 @@ +/* + * 16550 compatible uart based serial debug support for zboot + */ + +#include <linux/types.h> +#include <linux/serial_reg.h> +#include <linux/init.h> + +#include <asm/addrspace.h> + +#if defined(CONFIG_MACH_LOONGSON) || defined(CONFIG_MIPS_MALTA) +#define UART_BASE 0x1fd003f8 +#define PORT(offset) (CKSEG1ADDR(UART_BASE) + (offset)) +#endif + +#ifdef CONFIG_AR7 +#include <ar7.h> +#define PORT(offset) (CKSEG1ADDR(AR7_REGS_UART0) + (4 * offset)) +#endif + +#ifndef PORT +#error please define the serial port address for your own machine +#endif + +static inline unsigned int serial_in(int offset) +{ + return *((char *)PORT(offset)); +} + +static inline void serial_out(int offset, int value) +{ + *((char *)PORT(offset)) = value; +} + +void putc(char c) +{ + int timeout = 1024; + + while (((serial_in(UART_LSR) & UART_LSR_THRE) == 0) && (timeout-- > 0)) + ; + + serial_out(UART_TX, c); +} diff --git a/arch/mips/cavium-octeon/Makefile b/arch/mips/cavium-octeon/Makefile index 13943628052..3e9876317e6 100644 --- a/arch/mips/cavium-octeon/Makefile +++ b/arch/mips/cavium-octeon/Makefile @@ -9,7 +9,7 @@ # Copyright (C) 2005-2009 Cavium Networks # -obj-y := setup.o serial.o octeon-platform.o octeon-irq.o csrc-octeon.o +obj-y := cpu.o setup.o serial.o octeon-platform.o octeon-irq.o csrc-octeon.o obj-y += dma-octeon.o flash_setup.o obj-y += octeon-memcpy.o diff --git a/arch/mips/cavium-octeon/cpu.c b/arch/mips/cavium-octeon/cpu.c new file mode 100644 index 00000000000..b6df5387e85 --- /dev/null +++ b/arch/mips/cavium-octeon/cpu.c @@ -0,0 +1,52 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2009 Wind River Systems, + * written by Ralf Baechle <ralf@linux-mips.org> + */ +#include <linux/init.h> +#include <linux/irqflags.h> +#include <linux/notifier.h> +#include <linux/prefetch.h> +#include <linux/sched.h> + +#include <asm/cop2.h> +#include <asm/current.h> +#include <asm/mipsregs.h> +#include <asm/page.h> +#include <asm/octeon/octeon.h> + +static int cnmips_cu2_call(struct notifier_block *nfb, unsigned long action, + void *data) +{ + unsigned long flags; + unsigned int status; + + switch (action) { + case CU2_EXCEPTION: + prefetch(¤t->thread.cp2); + local_irq_save(flags); + KSTK_STATUS(current) |= ST0_CU2; + status = read_c0_status(); + write_c0_status(status | ST0_CU2); + octeon_cop2_restore(&(current->thread.cp2)); + write_c0_status(status & ~ST0_CU2); + local_irq_restore(flags); + + return NOTIFY_BAD; /* Don't call default notifier */ + } + + return NOTIFY_OK; /* Let default notifier send signals */ +} + +static struct notifier_block cnmips_cu2_notifier = { + .notifier_call = cnmips_cu2_call, +}; + +static int cnmips_cu2_setup(void) +{ + return register_cu2_notifier(&cnmips_cu2_notifier); +} +early_initcall(cnmips_cu2_setup); diff --git a/arch/mips/cavium-octeon/octeon-platform.c b/arch/mips/cavium-octeon/octeon-platform.c index be711dd2d91..cfdb4c2ac5c 100644 --- a/arch/mips/cavium-octeon/octeon-platform.c +++ b/arch/mips/cavium-octeon/octeon-platform.c @@ -159,6 +159,94 @@ out: } device_initcall(octeon_rng_device_init); +/* Octeon SMI/MDIO interface. */ +static int __init octeon_mdiobus_device_init(void) +{ + struct platform_device *pd; + int ret = 0; + + if (octeon_is_simulation()) + return 0; /* No mdio in the simulator. */ + + /* The bus number is the platform_device id. */ + pd = platform_device_alloc("mdio-octeon", 0); + if (!pd) { + ret = -ENOMEM; + goto out; + } + + ret = platform_device_add(pd); + if (ret) + goto fail; + + return ret; +fail: + platform_device_put(pd); + +out: + return ret; + +} +device_initcall(octeon_mdiobus_device_init); + +/* Octeon mgmt port Ethernet interface. */ +static int __init octeon_mgmt_device_init(void) +{ + struct platform_device *pd; + int ret = 0; + int port, num_ports; + + struct resource mgmt_port_resource = { + .flags = IORESOURCE_IRQ, + .start = -1, + .end = -1 + }; + + if (!OCTEON_IS_MODEL(OCTEON_CN56XX) && !OCTEON_IS_MODEL(OCTEON_CN52XX)) + return 0; + + if (OCTEON_IS_MODEL(OCTEON_CN56XX)) + num_ports = 1; + else + num_ports = 2; + + for (port = 0; port < num_ports; port++) { + pd = platform_device_alloc("octeon_mgmt", port); + if (!pd) { + ret = -ENOMEM; + goto out; + } + switch (port) { + case 0: + mgmt_port_resource.start = OCTEON_IRQ_MII0; + break; + case 1: + mgmt_port_resource.start = OCTEON_IRQ_MII1; + break; + default: + BUG(); + } + mgmt_port_resource.end = mgmt_port_resource.start; + + ret = platform_device_add_resources(pd, &mgmt_port_resource, 1); + + if (ret) + goto fail; + + ret = platform_device_add(pd); + if (ret) + goto fail; + } + return ret; +fail: + platform_device_put(pd); + +out: + return ret; + +} +device_initcall(octeon_mgmt_device_init); + MODULE_AUTHOR("David Daney <ddaney@caviumnetworks.com>"); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("Platform driver for Octeon SOC"); diff --git a/arch/mips/configs/ar7_defconfig b/arch/mips/configs/ar7_defconfig index 35648302f7c..5a5b6ba7514 100644 --- a/arch/mips/configs/ar7_defconfig +++ b/arch/mips/configs/ar7_defconfig @@ -10,7 +10,6 @@ CONFIG_MIPS=y # # CONFIG_MACH_ALCHEMY is not set CONFIG_AR7=y -# CONFIG_BASLER_EXCITE is not set # CONFIG_BCM47XX is not set # CONFIG_MIPS_COBALT is not set # CONFIG_MACH_DECSTATION is not set @@ -265,7 +264,6 @@ CONFIG_DEFAULT_DEADLINE=y # CONFIG_DEFAULT_CFQ is not set # CONFIG_DEFAULT_NOOP is not set CONFIG_DEFAULT_IOSCHED="deadline" -CONFIG_PROBE_INITRD_HEADER=y # CONFIG_FREEZER is not set # @@ -1053,7 +1051,9 @@ CONFIG_TRACING_SUPPORT=y # CONFIG_DYNAMIC_DEBUG is not set # CONFIG_SAMPLES is not set CONFIG_HAVE_ARCH_KGDB=y +CONFIG_CMDLINE_BOOL=y CONFIG_CMDLINE="rootfstype=squashfs,jffs2" +# CONFIG_CMDLINE_OVERRIDE is not set # # Security options diff --git a/arch/mips/configs/bcm47xx_defconfig b/arch/mips/configs/bcm47xx_defconfig index 94b7d57f906..267bd46120b 100644 --- a/arch/mips/configs/bcm47xx_defconfig +++ b/arch/mips/configs/bcm47xx_defconfig @@ -9,7 +9,6 @@ CONFIG_MIPS=y # Machine selection # # CONFIG_MACH_ALCHEMY is not set -# CONFIG_BASLER_EXCITE is not set CONFIG_BCM47XX=y # CONFIG_MIPS_COBALT is not set # CONFIG_MACH_DECSTATION is not set @@ -1853,7 +1852,7 @@ CONFIG_DEBUG_FS=y # CONFIG_HEADERS_CHECK is not set # CONFIG_DEBUG_KERNEL is not set # CONFIG_SAMPLES is not set -CONFIG_CMDLINE="" +# CONFIG_CMDLINE_BOOL is not set # # Security options diff --git a/arch/mips/configs/bcm63xx_defconfig b/arch/mips/configs/bcm63xx_defconfig index ea00c18d1f7..7fee0273c82 100644 --- a/arch/mips/configs/bcm63xx_defconfig +++ b/arch/mips/configs/bcm63xx_defconfig @@ -9,7 +9,6 @@ CONFIG_MIPS=y # Machine selection # # CONFIG_MACH_ALCHEMY is not set -# CONFIG_BASLER_EXCITE is not set # CONFIG_BCM47XX is not set CONFIG_BCM63XX=y # CONFIG_MIPS_COBALT is not set @@ -942,7 +941,9 @@ CONFIG_TRACING_SUPPORT=y # CONFIG_BLK_DEV_IO_TRACE is not set # CONFIG_SAMPLES is not set CONFIG_HAVE_ARCH_KGDB=y +CONFIG_CMDLINE_BOOL=y CONFIG_CMDLINE="console=ttyS0,115200" +# CONFIG_CMDLINE_OVERRIDE is not set # # Security options diff --git a/arch/mips/configs/bigsur_defconfig b/arch/mips/configs/bigsur_defconfig index 13d9eb4736c..c2f06e38c85 100644 --- a/arch/mips/configs/bigsur_defconfig +++ b/arch/mips/configs/bigsur_defconfig @@ -9,7 +9,6 @@ CONFIG_MIPS=y # Machine selection # # CONFIG_MACH_ALCHEMY is not set -# CONFIG_BASLER_EXCITE is not set # CONFIG_BCM47XX is not set # CONFIG_MIPS_COBALT is not set # CONFIG_MACH_DECSTATION is not set @@ -1237,7 +1236,7 @@ CONFIG_DEBUG_MUTEXES=y # CONFIG_BACKTRACE_SELF_TEST is not set # CONFIG_FAULT_INJECTION is not set # CONFIG_SAMPLES is not set -CONFIG_CMDLINE="" +# CONFIG_CMDLINE_BOOL is not set # CONFIG_DEBUG_STACK_USAGE is not set # CONFIG_SB1XXX_CORELIS is not set # CONFIG_RUNTIME_DEBUG is not set diff --git a/arch/mips/configs/capcella_defconfig b/arch/mips/configs/capcella_defconfig index 185df23fd46..72b7e456916 100644 --- a/arch/mips/configs/capcella_defconfig +++ b/arch/mips/configs/capcella_defconfig @@ -9,7 +9,6 @@ CONFIG_MIPS=y # Machine selection # # CONFIG_MACH_ALCHEMY is not set -# CONFIG_BASLER_EXCITE is not set # CONFIG_MIPS_COBALT is not set # CONFIG_MACH_DECSTATION is not set # CONFIG_MACH_JAZZ is not set @@ -783,7 +782,9 @@ CONFIG_ENABLE_MUST_CHECK=y # CONFIG_HEADERS_CHECK is not set # CONFIG_DEBUG_KERNEL is not set CONFIG_CROSSCOMPILE=y +CONFIG_CMDLINE_BOOL=y CONFIG_CMDLINE="mem=32M console=ttyVR0,38400" +# CONFIG_CMDLINE_OVERRIDE is not set # # Security options diff --git a/arch/mips/configs/cavium-octeon_defconfig b/arch/mips/configs/cavium-octeon_defconfig index 7afaa28a376..c8507bc8e92 100644 --- a/arch/mips/configs/cavium-octeon_defconfig +++ b/arch/mips/configs/cavium-octeon_defconfig @@ -9,7 +9,6 @@ CONFIG_MIPS=y # Machine selection # # CONFIG_MACH_ALCHEMY is not set -# CONFIG_BASLER_EXCITE is not set # CONFIG_BCM47XX is not set # CONFIG_MIPS_COBALT is not set # CONFIG_MACH_DECSTATION is not set @@ -269,7 +268,6 @@ CONFIG_DEFAULT_CFQ=y # CONFIG_DEFAULT_NOOP is not set CONFIG_DEFAULT_IOSCHED="cfq" CONFIG_CLASSIC_RCU=y -# CONFIG_PROBE_INITRD_HEADER is not set # CONFIG_FREEZER is not set # @@ -822,7 +820,7 @@ CONFIG_SYSCTL_SYSCALL_CHECK=y # CONFIG_SAMPLES is not set CONFIG_HAVE_ARCH_KGDB=y # CONFIG_KGDB is not set -CONFIG_CMDLINE="" +# CONFIG_CMDLINE_BOOL is not set # CONFIG_DEBUG_STACK_USAGE is not set # CONFIG_RUNTIME_DEBUG is not set diff --git a/arch/mips/configs/cobalt_defconfig b/arch/mips/configs/cobalt_defconfig index 6c8cca8589b..49e61312e00 100644 --- a/arch/mips/configs/cobalt_defconfig +++ b/arch/mips/configs/cobalt_defconfig @@ -9,7 +9,6 @@ CONFIG_MIPS=y # Machine selection # # CONFIG_MACH_ALCHEMY is not set -# CONFIG_BASLER_EXCITE is not set # CONFIG_BCM47XX is not set CONFIG_MIPS_COBALT=y # CONFIG_MACH_DECSTATION is not set @@ -1126,7 +1125,7 @@ CONFIG_FRAME_WARN=1024 # CONFIG_SLUB_STATS is not set # CONFIG_DEBUG_MEMORY_INIT is not set # CONFIG_SAMPLES is not set -CONFIG_CMDLINE="" +# CONFIG_CMDLINE_BOOL is not set # # Security options diff --git a/arch/mips/configs/db1000_defconfig b/arch/mips/configs/db1000_defconfig index dbdf3bb1a34..68e90cd6b2d 100644 --- a/arch/mips/configs/db1000_defconfig +++ b/arch/mips/configs/db1000_defconfig @@ -23,7 +23,6 @@ CONFIG_MIPS_DB1000=y # CONFIG_MIPS_DB1550 is not set # CONFIG_MIPS_DB1200 is not set # CONFIG_MIPS_MIRAGE is not set -# CONFIG_BASLER_EXCITE is not set # CONFIG_MIPS_COBALT is not set # CONFIG_MACH_DECSTATION is not set # CONFIG_MACH_JAZZ is not set @@ -1090,7 +1089,7 @@ CONFIG_ENABLE_MUST_CHECK=y # CONFIG_DEBUG_KERNEL is not set CONFIG_LOG_BUF_SHIFT=14 CONFIG_CROSSCOMPILE=y -CONFIG_CMDLINE="" +# CONFIG_CMDLINE_BOOL is not set # # Security options diff --git a/arch/mips/configs/db1100_defconfig b/arch/mips/configs/db1100_defconfig index fa681447589..90812830e94 100644 --- a/arch/mips/configs/db1100_defconfig +++ b/arch/mips/configs/db1100_defconfig @@ -23,7 +23,6 @@ CONFIG_MIPS_DB1100=y # CONFIG_MIPS_DB1550 is not set # CONFIG_MIPS_DB1200 is not set # CONFIG_MIPS_MIRAGE is not set -# CONFIG_BASLER_EXCITE is not set # CONFIG_MIPS_COBALT is not set # CONFIG_MACH_DECSTATION is not set # CONFIG_MACH_JAZZ is not set @@ -1090,7 +1089,7 @@ CONFIG_ENABLE_MUST_CHECK=y # CONFIG_DEBUG_KERNEL is not set CONFIG_LOG_BUF_SHIFT=14 CONFIG_CROSSCOMPILE=y -CONFIG_CMDLINE="" +# CONFIG_CMDLINE_BOOL is not set # # Security options diff --git a/arch/mips/configs/db1200_defconfig b/arch/mips/configs/db1200_defconfig index d73f1de43b5..dabf03032e0 100644 --- a/arch/mips/configs/db1200_defconfig +++ b/arch/mips/configs/db1200_defconfig @@ -23,7 +23,6 @@ CONFIG_MACH_ALCHEMY=y # CONFIG_MIPS_DB1550 is not set CONFIG_MIPS_DB1200=y # CONFIG_MIPS_MIRAGE is not set -# CONFIG_BASLER_EXCITE is not set # CONFIG_MIPS_COBALT is not set # CONFIG_MACH_DECSTATION is not set # CONFIG_MACH_JAZZ is not set @@ -1172,7 +1171,9 @@ CONFIG_ENABLE_MUST_CHECK=y # CONFIG_DEBUG_KERNEL is not set CONFIG_LOG_BUF_SHIFT=14 CONFIG_CROSSCOMPILE=y +CONFIG_CMDLINE_BOOL=y CONFIG_CMDLINE="mem=48M" +# CONFIG_CMDLINE_OVERRIDE is not set # # Security options diff --git a/arch/mips/configs/db1500_defconfig b/arch/mips/configs/db1500_defconfig index ec3e028a5b2..a1513137313 100644 --- a/arch/mips/configs/db1500_defconfig +++ b/arch/mips/configs/db1500_defconfig @@ -23,7 +23,6 @@ CONFIG_MIPS_DB1500=y # CONFIG_MIPS_DB1550 is not set # CONFIG_MIPS_DB1200 is not set # CONFIG_MIPS_MIRAGE is not set -# CONFIG_BASLER_EXCITE is not set # CONFIG_MIPS_COBALT is not set # CONFIG_MACH_DECSTATION is not set # CONFIG_MACH_JAZZ is not set @@ -1390,7 +1389,7 @@ CONFIG_ENABLE_MUST_CHECK=y # CONFIG_DEBUG_KERNEL is not set CONFIG_LOG_BUF_SHIFT=14 CONFIG_CROSSCOMPILE=y -CONFIG_CMDLINE="" +# CONFIG_CMDLINE_BOOL is not set # # Security options diff --git a/arch/mips/configs/db1550_defconfig b/arch/mips/configs/db1550_defconfig index 7631dae51be..6b64339c001 100644 --- a/arch/mips/configs/db1550_defconfig +++ b/arch/mips/configs/db1550_defconfig @@ -23,7 +23,6 @@ CONFIG_MACH_ALCHEMY=y CONFIG_MIPS_DB1550=y # CONFIG_MIPS_DB1200 is not set # CONFIG_MIPS_MIRAGE is not set -# CONFIG_BASLER_EXCITE is not set # CONFIG_MIPS_COBALT is not set # CONFIG_MACH_DECSTATION is not set # CONFIG_MACH_JAZZ is not set @@ -1207,7 +1206,7 @@ CONFIG_ENABLE_MUST_CHECK=y # CONFIG_DEBUG_KERNEL is not set CONFIG_LOG_BUF_SHIFT=14 CONFIG_CROSSCOMPILE=y -CONFIG_CMDLINE="" +# CONFIG_CMDLINE_BOOL is not set # # Security options diff --git a/arch/mips/configs/decstation_defconfig b/arch/mips/configs/decstation_defconfig index 9e65e6a2dcb..cbb4d86f291 100644 --- a/arch/mips/configs/decstation_defconfig +++ b/arch/mips/configs/decstation_defconfig @@ -22,7 +22,6 @@ CONFIG_ZONE_DMA=y # CONFIG_MIPS_DB1550 is not set # CONFIG_MIPS_DB1200 is not set # CONFIG_MIPS_MIRAGE is not set -# CONFIG_BASLER_EXCITE is not set # CONFIG_MIPS_COBALT is not set CONFIG_MACH_DECSTATION=y # CONFIG_MACH_JAZZ is not set @@ -882,7 +881,7 @@ CONFIG_MAGIC_SYSRQ=y # CONFIG_DEBUG_KERNEL is not set CONFIG_LOG_BUF_SHIFT=14 CONFIG_CROSSCOMPILE=y -CONFIG_CMDLINE="" +# CONFIG_CMDLINE_BOOL is not set # # Security options diff --git a/arch/mips/configs/e55_defconfig b/arch/mips/configs/e55_defconfig index 1bd84d42b14..52968c46c80 100644 --- a/arch/mips/configs/e55_defconfig +++ b/arch/mips/configs/e55_defconfig @@ -9,7 +9,6 @@ CONFIG_MIPS=y # Machine selection # # CONFIG_MACH_ALCHEMY is not set -# CONFIG_BASLER_EXCITE is not set # CONFIG_MIPS_COBALT is not set # CONFIG_MACH_DECSTATION is not set # CONFIG_MACH_JAZZ is not set @@ -561,7 +560,9 @@ CONFIG_ENABLE_MUST_CHECK=y # CONFIG_HEADERS_CHECK is not set # CONFIG_DEBUG_KERNEL is not set CONFIG_CROSSCOMPILE=y +CONFIG_CMDLINE_BOOL=y CONFIG_CMDLINE="console=ttyVR0,19200 ide0=0x1f0,0x3f6,40 mem=8M" +# CONFIG_CMDLINE_OVERRIDE is not set # # Security options diff --git a/arch/mips/configs/excite_defconfig b/arch/mips/configs/excite_defconfig deleted file mode 100644 index 1995d43a2ed..00000000000 --- a/arch/mips/configs/excite_defconfig +++ /dev/null @@ -1,1335 +0,0 @@ -# -# Automatically generated make config: don't edit -# Linux kernel version: 2.6.20 -# Tue Feb 20 21:47:31 2007 -# -CONFIG_MIPS=y - -# -# Machine selection -# -CONFIG_ZONE_DMA=y -# CONFIG_MIPS_MTX1 is not set -# CONFIG_MIPS_BOSPORUS is not set -# CONFIG_MIPS_PB1000 is not set -# CONFIG_MIPS_PB1100 is not set -# CONFIG_MIPS_PB1500 is not set -# CONFIG_MIPS_PB1550 is not set -# CONFIG_MIPS_PB1200 is not set -# CONFIG_MIPS_DB1000 is not set -# CONFIG_MIPS_DB1100 is not set -# CONFIG_MIPS_DB1500 is not set -# CONFIG_MIPS_DB1550 is not set -# CONFIG_MIPS_DB1200 is not set -# CONFIG_MIPS_MIRAGE is not set -CONFIG_BASLER_EXCITE=y -# CONFIG_BASLER_EXCITE_PROTOTYPE is not set -# CONFIG_MIPS_COBALT is not set -# CONFIG_MACH_DECSTATION is not set -# CONFIG_MACH_JAZZ is not set -# CONFIG_MIPS_MALTA is not set -# CONFIG_WR_PPMC is not set -# CONFIG_MIPS_SIM is not set -# CONFIG_MOMENCO_JAGUAR_ATX is not set -# CONFIG_MIPS_XXS1500 is not set -# CONFIG_PNX8550_JBS is not set -# CONFIG_PNX8550_STB810 is not set -# CONFIG_MACH_VR41XX is not set -# CONFIG_PMC_YOSEMITE is not set -# CONFIG_MARKEINS is not set -# CONFIG_SGI_IP22 is not set -# CONFIG_SGI_IP27 is not set -# CONFIG_SGI_IP32 is not set -# CONFIG_SIBYTE_BIGSUR is not set -# CONFIG_SIBYTE_SWARM is not set -# CONFIG_SIBYTE_SENTOSA is not set -# CONFIG_SIBYTE_RHONE is not set -# CONFIG_SIBYTE_CARMEL is not set -# CONFIG_SIBYTE_LITTLESUR is not set -# CONFIG_SIBYTE_CRHINE is not set -# CONFIG_SIBYTE_CRHONE is not set -# CONFIG_SNI_RM is not set -# CONFIG_TOSHIBA_JMR3927 is not set -# CONFIG_TOSHIBA_RBTX4927 is not set -# CONFIG_TOSHIBA_RBTX4938 is not set -CONFIG_RWSEM_GENERIC_SPINLOCK=y -# CONFIG_ARCH_HAS_ILOG2_U32 is not set -# CONFIG_ARCH_HAS_ILOG2_U64 is not set -CONFIG_GENERIC_FIND_NEXT_BIT=y -CONFIG_GENERIC_HWEIGHT=y -CONFIG_GENERIC_CALIBRATE_DELAY=y -CONFIG_GENERIC_TIME=y -CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y -# CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ is not set -CONFIG_DMA_COHERENT=y -CONFIG_CPU_BIG_ENDIAN=y -# CONFIG_CPU_LITTLE_ENDIAN is not set -CONFIG_SYS_SUPPORTS_BIG_ENDIAN=y -CONFIG_IRQ_CPU=y -CONFIG_IRQ_CPU_RM7K=y -CONFIG_IRQ_CPU_RM9K=y -CONFIG_MIPS_RM9122=y -CONFIG_SERIAL_RM9000=y -CONFIG_GPI_RM9000=y -CONFIG_WDT_RM9000=y -CONFIG_MIPS_L1_CACHE_SHIFT=5 - -# -# CPU selection -# -# CONFIG_CPU_MIPS32_R1 is not set -# CONFIG_CPU_MIPS32_R2 is not set -# CONFIG_CPU_MIPS64_R1 is not set -# CONFIG_CPU_MIPS64_R2 is not set -# CONFIG_CPU_R3000 is not set -# CONFIG_CPU_TX39XX is not set -# CONFIG_CPU_VR41XX is not set -# CONFIG_CPU_R4300 is not set -# CONFIG_CPU_R4X00 is not set -# CONFIG_CPU_TX49XX is not set -# CONFIG_CPU_R5000 is not set -# CONFIG_CPU_R5432 is not set -# CONFIG_CPU_R6000 is not set -# CONFIG_CPU_NEVADA is not set -# CONFIG_CPU_R8000 is not set -# CONFIG_CPU_R10000 is not set -# CONFIG_CPU_RM7000 is not set -CONFIG_CPU_RM9000=y -# CONFIG_CPU_SB1 is not set -CONFIG_SYS_HAS_CPU_RM9000=y -CONFIG_WEAK_ORDERING=y -CONFIG_SYS_SUPPORTS_32BIT_KERNEL=y -CONFIG_SYS_SUPPORTS_64BIT_KERNEL=y -CONFIG_CPU_SUPPORTS_32BIT_KERNEL=y -CONFIG_CPU_SUPPORTS_64BIT_KERNEL=y - -# -# Kernel type -# -CONFIG_32BIT=y -# CONFIG_64BIT is not set -CONFIG_PAGE_SIZE_4KB=y -# CONFIG_PAGE_SIZE_8KB is not set -# CONFIG_PAGE_SIZE_16KB is not set -# CONFIG_PAGE_SIZE_64KB is not set -CONFIG_CPU_HAS_PREFETCH=y -CONFIG_MIPS_MT_DISABLED=y -# CONFIG_MIPS_MT_SMP is not set -# CONFIG_MIPS_MT_SMTC is not set -# CONFIG_MIPS_VPE_LOADER is not set -# CONFIG_64BIT_PHYS_ADDR is not set -CONFIG_CPU_HAS_SYNC=y -CONFIG_GENERIC_HARDIRQS=y -CONFIG_GENERIC_IRQ_PROBE=y -CONFIG_CPU_SUPPORTS_HIGHMEM=y -CONFIG_ARCH_FLATMEM_ENABLE=y -CONFIG_SELECT_MEMORY_MODEL=y -CONFIG_FLATMEM_MANUAL=y -# CONFIG_DISCONTIGMEM_MANUAL is not set -# CONFIG_SPARSEMEM_MANUAL is not set -CONFIG_FLATMEM=y -CONFIG_FLAT_NODE_MEM_MAP=y -# CONFIG_SPARSEMEM_STATIC is not set -CONFIG_SPLIT_PTLOCK_CPUS=4 -# CONFIG_RESOURCES_64BIT is not set -CONFIG_ZONE_DMA_FLAG=1 -# CONFIG_HZ_48 is not set -# CONFIG_HZ_100 is not set -# CONFIG_HZ_128 is not set -# CONFIG_HZ_250 is not set -# CONFIG_HZ_256 is not set -CONFIG_HZ_1000=y -# CONFIG_HZ_1024 is not set -CONFIG_SYS_SUPPORTS_ARBIT_HZ=y -CONFIG_HZ=1000 -# CONFIG_PREEMPT_NONE is not set -# CONFIG_PREEMPT_VOLUNTARY is not set -CONFIG_PREEMPT=y -CONFIG_PREEMPT_BKL=y -# CONFIG_KEXEC is not set -CONFIG_LOCKDEP_SUPPORT=y -CONFIG_STACKTRACE_SUPPORT=y -CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" - -# -# Code maturity level options -# -CONFIG_EXPERIMENTAL=y -CONFIG_BROKEN_ON_SMP=y -CONFIG_LOCK_KERNEL=y -CONFIG_INIT_ENV_ARG_LIMIT=32 - -# -# General setup -# -CONFIG_LOCALVERSION="" -# CONFIG_LOCALVERSION_AUTO is not set -CONFIG_SWAP=y -CONFIG_SYSVIPC=y -# CONFIG_IPC_NS is not set -CONFIG_SYSVIPC_SYSCTL=y -CONFIG_POSIX_MQUEUE=y -# CONFIG_BSD_PROCESS_ACCT is not set -# CONFIG_TASKSTATS is not set -# CONFIG_UTS_NS is not set -# CONFIG_AUDIT is not set -# CONFIG_IKCONFIG is not set -CONFIG_SYSFS_DEPRECATED=y -# CONFIG_RELAY is not set -CONFIG_CC_OPTIMIZE_FOR_SIZE=y -CONFIG_SYSCTL=y -CONFIG_EMBEDDED=y -CONFIG_SYSCTL_SYSCALL=y -CONFIG_KALLSYMS=y -# CONFIG_KALLSYMS_EXTRA_PASS is not set -CONFIG_HOTPLUG=y -CONFIG_PRINTK=y -CONFIG_BUG=y -CONFIG_ELF_CORE=y -CONFIG_BASE_FULL=y -CONFIG_FUTEX=y -CONFIG_EPOLL=y -CONFIG_SHMEM=y -CONFIG_SLAB=y -CONFIG_VM_EVENT_COUNTERS=y -CONFIG_RT_MUTEXES=y -# CONFIG_TINY_SHMEM is not set -CONFIG_BASE_SMALL=0 -# CONFIG_SLOB is not set - -# -# Loadable module support -# -CONFIG_MODULES=y -CONFIG_MODULE_UNLOAD=y -# CONFIG_MODULE_FORCE_UNLOAD is not set -# CONFIG_MODVERSIONS is not set -# CONFIG_MODULE_SRCVERSION_ALL is not set -CONFIG_KMOD=y - -# -# Block layer -# -CONFIG_BLOCK=y -# CONFIG_LBD is not set -# CONFIG_BLK_DEV_IO_TRACE is not set -# CONFIG_LSF is not set - -# -# IO Schedulers -# -CONFIG_IOSCHED_NOOP=y -CONFIG_IOSCHED_AS=y -CONFIG_IOSCHED_DEADLINE=y -CONFIG_IOSCHED_CFQ=y -CONFIG_DEFAULT_AS=y -# CONFIG_DEFAULT_DEADLINE is not set -# CONFIG_DEFAULT_CFQ is not set -# CONFIG_DEFAULT_NOOP is not set -CONFIG_DEFAULT_IOSCHED="anticipatory" - -# -# Bus options (PCI, PCMCIA, EISA, ISA, TC) -# -CONFIG_HW_HAS_PCI=y -CONFIG_PCI=y -CONFIG_MMU=y - -# -# PCCARD (PCMCIA/CardBus) support -# -# CONFIG_PCCARD is not set - -# -# PCI Hotplug Support -# -# CONFIG_HOTPLUG_PCI is not set - -# -# Executable file formats -# -CONFIG_BINFMT_ELF=y -# CONFIG_BINFMT_MISC is not set -CONFIG_TRAD_SIGNALS=y - -# -# Power management options -# -CONFIG_PM=y -# CONFIG_PM_LEGACY is not set -# CONFIG_PM_DEBUG is not set -# CONFIG_PM_SYSFS_DEPRECATED is not set - -# -# Networking -# -CONFIG_NET=y - -# -# Networking options -# -# CONFIG_NETDEBUG is not set -CONFIG_PACKET=y -CONFIG_PACKET_MMAP=y -CONFIG_UNIX=y -CONFIG_XFRM=y -# CONFIG_XFRM_USER is not set -# CONFIG_XFRM_SUB_POLICY is not set -CONFIG_XFRM_MIGRATE=y -# CONFIG_NET_KEY is not set -CONFIG_INET=y -# CONFIG_IP_MULTICAST is not set -# CONFIG_IP_ADVANCED_ROUTER is not set -CONFIG_IP_FIB_HASH=y -CONFIG_IP_PNP=y -CONFIG_IP_PNP_DHCP=y -# CONFIG_IP_PNP_BOOTP is not set -# CONFIG_IP_PNP_RARP is not set -# CONFIG_NET_IPIP is not set -# CONFIG_NET_IPGRE is not set -# CONFIG_ARPD is not set -# CONFIG_SYN_COOKIES is not set -# CONFIG_INET_AH is not set -# CONFIG_INET_ESP is not set -# CONFIG_INET_IPCOMP is not set -# CONFIG_INET_XFRM_TUNNEL is not set -# CONFIG_INET_TUNNEL is not set -CONFIG_INET_XFRM_MODE_TRANSPORT=m -CONFIG_INET_XFRM_MODE_TUNNEL=m -CONFIG_INET_XFRM_MODE_BEET=m -CONFIG_INET_DIAG=y -CONFIG_INET_TCP_DIAG=y -# CONFIG_TCP_CONG_ADVANCED is not set -CONFIG_TCP_CONG_CUBIC=y -CONFIG_DEFAULT_TCP_CONG="cubic" -CONFIG_TCP_MD5SIG=y -# CONFIG_IPV6 is not set -# CONFIG_INET6_XFRM_TUNNEL is not set -# CONFIG_INET6_TUNNEL is not set -CONFIG_NETWORK_SECMARK=y -# CONFIG_NETFILTER is not set - -# -# DCCP Configuration (EXPERIMENTAL) -# -# CONFIG_IP_DCCP is not set - -# -# SCTP Configuration (EXPERIMENTAL) -# -# CONFIG_IP_SCTP is not set - -# -# TIPC Configuration (EXPERIMENTAL) -# -# CONFIG_TIPC is not set -# CONFIG_ATM is not set -# CONFIG_BRIDGE is not set -# CONFIG_VLAN_8021Q is not set -# CONFIG_DECNET is not set -# CONFIG_LLC2 is not set -# CONFIG_IPX is not set -# CONFIG_ATALK is not set -# CONFIG_X25 is not set -# CONFIG_LAPB is not set -# CONFIG_ECONET is not set -# CONFIG_WAN_ROUTER is not set - -# -# QoS and/or fair queueing -# -# CONFIG_NET_SCHED is not set - -# -# Network testing -# -# CONFIG_NET_PKTGEN is not set -# CONFIG_HAMRADIO is not set -# CONFIG_IRDA is not set -# CONFIG_BT is not set -# CONFIG_IEEE80211 is not set - -# -# Device Drivers -# - -# -# Generic Driver Options -# -CONFIG_STANDALONE=y -CONFIG_PREVENT_FIRMWARE_BUILD=y -CONFIG_FW_LOADER=m -# CONFIG_SYS_HYPERVISOR is not set - -# -# Connector - unified userspace <-> kernelspace linker -# -# CONFIG_CONNECTOR is not set - -# -# Memory Technology Devices (MTD) -# -CONFIG_MTD=y -# CONFIG_MTD_DEBUG is not set -# CONFIG_MTD_CONCAT is not set -CONFIG_MTD_PARTITIONS=y -# CONFIG_MTD_REDBOOT_PARTS is not set -# CONFIG_MTD_CMDLINE_PARTS is not set - -# -# User Modules And Translation Layers -# -CONFIG_MTD_CHAR=y -CONFIG_MTD_BLKDEVS=y -CONFIG_MTD_BLOCK=y -# CONFIG_FTL is not set -# CONFIG_NFTL is not set -# CONFIG_INFTL is not set -# CONFIG_RFD_FTL is not set -# CONFIG_SSFDC is not set - -# -# RAM/ROM/Flash chip drivers -# -# CONFIG_MTD_CFI is not set -# CONFIG_MTD_JEDECPROBE is not set -CONFIG_MTD_MAP_BANK_WIDTH_1=y -CONFIG_MTD_MAP_BANK_WIDTH_2=y -CONFIG_MTD_MAP_BANK_WIDTH_4=y -# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set -# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set -# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set -CONFIG_MTD_CFI_I1=y -CONFIG_MTD_CFI_I2=y -# CONFIG_MTD_CFI_I4 is not set -# CONFIG_MTD_CFI_I8 is not set -# CONFIG_MTD_RAM is not set -# CONFIG_MTD_ROM is not set -# CONFIG_MTD_ABSENT is not set -# CONFIG_MTD_OBSOLETE_CHIPS is not set - -# -# Mapping drivers for chip access -# -# CONFIG_MTD_COMPLEX_MAPPINGS is not set -# CONFIG_MTD_PLATRAM is not set - -# -# Self-contained MTD device drivers -# -# CONFIG_MTD_PMC551 is not set -# CONFIG_MTD_SLRAM is not set -# CONFIG_MTD_PHRAM is not set -# CONFIG_MTD_MTDRAM is not set -# CONFIG_MTD_BLOCK2MTD is not set - -# -# Disk-On-Chip Device Drivers -# -# CONFIG_MTD_DOC2000 is not set -# CONFIG_MTD_DOC2001 is not set -# CONFIG_MTD_DOC2001PLUS is not set - -# -# NAND Flash Device Drivers -# -CONFIG_MTD_NAND=y -CONFIG_MTD_NAND_VERIFY_WRITE=y -# CONFIG_MTD_NAND_ECC_SMC is not set -CONFIG_MTD_NAND_IDS=y -# CONFIG_MTD_NAND_DISKONCHIP is not set -# CONFIG_MTD_NAND_BASLER_EXCITE is not set -# CONFIG_MTD_NAND_CAFE is not set -# CONFIG_MTD_NAND_NANDSIM is not set - -# -# OneNAND Flash Device Drivers -# -# CONFIG_MTD_ONENAND is not set - -# -# Parallel port support -# -# CONFIG_PARPORT is not set - -# -# Plug and Play support -# -# CONFIG_PNPACPI is not set - -# -# Block devices -# -# CONFIG_BLK_CPQ_DA is not set -# CONFIG_BLK_CPQ_CISS_DA is not set -# CONFIG_BLK_DEV_DAC960 is not set -# CONFIG_BLK_DEV_UMEM is not set -# CONFIG_BLK_DEV_COW_COMMON is not set -CONFIG_BLK_DEV_LOOP=m -# CONFIG_BLK_DEV_CRYPTOLOOP is not set -# CONFIG_BLK_DEV_NBD is not set -# CONFIG_BLK_DEV_SX8 is not set -# CONFIG_BLK_DEV_UB is not set -# CONFIG_BLK_DEV_RAM is not set -# CONFIG_BLK_DEV_INITRD is not set -# CONFIG_CDROM_PKTCDVD is not set -# CONFIG_ATA_OVER_ETH is not set - -# -# Misc devices -# -CONFIG_SGI_IOC4=m -# CONFIG_TIFM_CORE is not set - -# -# ATA/ATAPI/MFM/RLL support -# -# CONFIG_IDE is not set - -# -# SCSI device support -# -# CONFIG_RAID_ATTRS is not set -CONFIG_SCSI=y -CONFIG_SCSI_TGT=m -# CONFIG_SCSI_NETLINK is not set -# CONFIG_SCSI_PROC_FS is not set - -# -# SCSI support type (disk, tape, CD-ROM) -# -CONFIG_BLK_DEV_SD=y -# CONFIG_CHR_DEV_ST is not set -# CONFIG_CHR_DEV_OSST is not set -# CONFIG_BLK_DEV_SR is not set -# CONFIG_CHR_DEV_SG is not set -# CONFIG_CHR_DEV_SCH is not set - -# -# Some SCSI devices (e.g. CD jukebox) support multiple LUNs -# -# CONFIG_SCSI_MULTI_LUN is not set -# CONFIG_SCSI_CONSTANTS is not set -# CONFIG_SCSI_LOGGING is not set -CONFIG_SCSI_SCAN_ASYNC=y - -# -# SCSI Transports -# -# CONFIG_SCSI_SPI_ATTRS is not set -# CONFIG_SCSI_FC_ATTRS is not set -# CONFIG_SCSI_ISCSI_ATTRS is not set -CONFIG_SCSI_SAS_ATTRS=m -CONFIG_SCSI_SAS_LIBSAS=m -# CONFIG_SCSI_SAS_LIBSAS_DEBUG is not set - -# -# SCSI low-level drivers -# -# CONFIG_ISCSI_TCP is not set -# CONFIG_BLK_DEV_3W_XXXX_RAID is not set -# CONFIG_SCSI_3W_9XXX is not set -# CONFIG_SCSI_ACARD is not set -# CONFIG_SCSI_AACRAID is not set -# CONFIG_SCSI_AIC7XXX is not set -# CONFIG_SCSI_AIC7XXX_OLD is not set -# CONFIG_SCSI_AIC79XX is not set -CONFIG_SCSI_AIC94XX=m -# CONFIG_AIC94XX_DEBUG is not set -# CONFIG_SCSI_DPT_I2O is not set -# CONFIG_SCSI_ARCMSR is not set -# CONFIG_MEGARAID_NEWGEN is not set -# CONFIG_MEGARAID_LEGACY is not set -# CONFIG_MEGARAID_SAS is not set -# CONFIG_SCSI_HPTIOP is not set -# CONFIG_SCSI_DMX3191D is not set -# CONFIG_SCSI_FUTURE_DOMAIN is not set -# CONFIG_SCSI_IPS is not set -# CONFIG_SCSI_INITIO is not set -# CONFIG_SCSI_INIA100 is not set -# CONFIG_SCSI_STEX is not set -# CONFIG_SCSI_SYM53C8XX_2 is not set -# CONFIG_SCSI_QLOGIC_1280 is not set -# CONFIG_SCSI_QLA_FC is not set -# CONFIG_SCSI_QLA_ISCSI is not set -# CONFIG_SCSI_LPFC is not set -# CONFIG_SCSI_DC395x is not set -# CONFIG_SCSI_DC390T is not set -# CONFIG_SCSI_NSP32 is not set -# CONFIG_SCSI_DEBUG is not set -# CONFIG_SCSI_SRP is not set - -# -# Serial ATA (prod) and Parallel ATA (experimental) drivers -# -# CONFIG_ATA is not set - -# -# Multi-device support (RAID and LVM) -# -# CONFIG_MD is not set - -# -# Fusion MPT device support -# -# CONFIG_FUSION is not set -# CONFIG_FUSION_SPI is not set -# CONFIG_FUSION_FC is not set -# CONFIG_FUSION_SAS is not set - -# -# IEEE 1394 (FireWire) support -# -# CONFIG_IEEE1394 is not set - -# -# I2O device support -# -# CONFIG_I2O is not set - -# -# Network device support -# -CONFIG_NETDEVICES=y -# CONFIG_DUMMY is not set -# CONFIG_BONDING is not set -# CONFIG_EQUALIZER is not set -# CONFIG_TUN is not set - -# -# ARCnet devices -# -# CONFIG_ARCNET is not set - -# -# PHY device support -# - -# -# Ethernet (10 or 100Mbit) -# -# CONFIG_NET_ETHERNET is not set - -# -# Ethernet (1000 Mbit) -# -# CONFIG_ACENIC is not set -# CONFIG_DL2K is not set -# CONFIG_E1000 is not set -# CONFIG_NS83820 is not set -# CONFIG_HAMACHI is not set -# CONFIG_YELLOWFIN is not set -# CONFIG_R8169 is not set -# CONFIG_SIS190 is not set -# CONFIG_SKGE is not set -# CONFIG_SKY2 is not set -# CONFIG_SK98LIN is not set -# CONFIG_TIGON3 is not set -# CONFIG_BNX2 is not set -CONFIG_QLA3XXX=m -# CONFIG_ATL1 is not set - -# -# Ethernet (10000 Mbit) -# -# CONFIG_CHELSIO_T1 is not set -CONFIG_CHELSIO_T3=m -# CONFIG_IXGB is not set -# CONFIG_S2IO is not set -# CONFIG_MYRI10GE is not set -CONFIG_NETXEN_NIC=m - -# -# Token Ring devices -# -# CONFIG_TR is not set - -# -# Wireless LAN (non-hamradio) -# -# CONFIG_NET_RADIO is not set - -# -# Wan interfaces -# -# CONFIG_WAN is not set -# CONFIG_FDDI is not set -# CONFIG_HIPPI is not set -# CONFIG_PPP is not set -# CONFIG_SLIP is not set -# CONFIG_NET_FC is not set -# CONFIG_SHAPER is not set -# CONFIG_NETCONSOLE is not set -# CONFIG_NETPOLL is not set -# CONFIG_NET_POLL_CONTROLLER is not set - -# -# ISDN subsystem -# -# CONFIG_ISDN is not set - -# -# Telephony Support -# -# CONFIG_PHONE is not set - -# -# Input device support -# -CONFIG_INPUT=y -# CONFIG_INPUT_FF_MEMLESS is not set - -# -# Userland interfaces -# -CONFIG_INPUT_MOUSEDEV=m -CONFIG_INPUT_MOUSEDEV_PSAUX=y -CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024 -CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768 -# CONFIG_INPUT_JOYDEV is not set -# CONFIG_INPUT_TSDEV is not set -CONFIG_INPUT_EVDEV=m -# CONFIG_INPUT_EVBUG is not set - -# -# Input Device Drivers -# -# CONFIG_INPUT_KEYBOARD is not set -# CONFIG_INPUT_MOUSE is not set -# CONFIG_INPUT_JOYSTICK is not set -# CONFIG_INPUT_TOUCHSCREEN is not set -# CONFIG_INPUT_MISC is not set - -# -# Hardware I/O ports -# -# CONFIG_SERIO is not set -# CONFIG_GAMEPORT is not set - -# -# Character devices -# -CONFIG_VT=y -CONFIG_VT_CONSOLE=y -CONFIG_HW_CONSOLE=y -CONFIG_VT_HW_CONSOLE_BINDING=y -# CONFIG_SERIAL_NONSTANDARD is not set - -# -# Serial drivers -# -CONFIG_SERIAL_8250=y -CONFIG_SERIAL_8250_CONSOLE=y -CONFIG_SERIAL_8250_PCI=y -CONFIG_SERIAL_8250_NR_UARTS=2 -CONFIG_SERIAL_8250_RUNTIME_UARTS=2 -CONFIG_SERIAL_8250_EXTENDED=y -# CONFIG_SERIAL_8250_MANY_PORTS is not set -CONFIG_SERIAL_8250_SHARE_IRQ=y -# CONFIG_SERIAL_8250_DETECT_IRQ is not set -# CONFIG_SERIAL_8250_RSA is not set - -# -# Non-8250 serial port support -# -CONFIG_SERIAL_CORE=y -CONFIG_SERIAL_CORE_CONSOLE=y -# CONFIG_SERIAL_JSM is not set -CONFIG_UNIX98_PTYS=y -# CONFIG_LEGACY_PTYS is not set - -# -# IPMI -# -# CONFIG_IPMI_HANDLER is not set - -# -# Watchdog Cards -# -CONFIG_WATCHDOG=y -# CONFIG_WATCHDOG_NOWAYOUT is not set - -# -# Watchdog Device Drivers -# -# CONFIG_SOFT_WATCHDOG is not set -CONFIG_WDT_RM9K_GPI=m - -# -# PCI-based Watchdog Cards -# -# CONFIG_PCIPCWATCHDOG is not set -# CONFIG_WDTPCI is not set - -# -# USB-based Watchdog Cards -# -# CONFIG_USBPCWATCHDOG is not set -# CONFIG_HW_RANDOM is not set -# CONFIG_RTC is not set -# CONFIG_GEN_RTC is not set -# CONFIG_DTLK is not set -# CONFIG_R3964 is not set -# CONFIG_APPLICOM is not set -# CONFIG_DRM is not set -# CONFIG_RAW_DRIVER is not set - -# -# TPM devices -# -# CONFIG_TCG_TPM is not set - -# -# I2C support -# -# CONFIG_I2C is not set - -# -# SPI support -# -# CONFIG_SPI is not set -# CONFIG_SPI_MASTER is not set - -# -# Dallas's 1-wire bus -# -# CONFIG_W1 is not set - -# -# Hardware Monitoring support -# -# CONFIG_HWMON is not set -# CONFIG_HWMON_VID is not set - -# -# Multimedia devices -# -# CONFIG_VIDEO_DEV is not set - -# -# Digital Video Broadcasting Devices -# -# CONFIG_DVB is not set -# CONFIG_USB_DABUSB is not set - -# -# Graphics support -# -# CONFIG_FIRMWARE_EDID is not set -CONFIG_FB=y -# CONFIG_FB_CFB_FILLRECT is not set -# CONFIG_FB_CFB_COPYAREA is not set -# CONFIG_FB_CFB_IMAGEBLIT is not set -# CONFIG_FB_SVGALIB is not set -# CONFIG_FB_MACMODES is not set -# CONFIG_FB_BACKLIGHT is not set -# CONFIG_FB_MODE_HELPERS is not set -# CONFIG_FB_TILEBLITTING is not set -# CONFIG_FB_CIRRUS is not set -# CONFIG_FB_PM2 is not set -# CONFIG_FB_CYBER2000 is not set -# CONFIG_FB_ASILIANT is not set -# CONFIG_FB_IMSTT is not set -# CONFIG_FB_S1D13XXX is not set -# CONFIG_FB_NVIDIA is not set -# CONFIG_FB_RIVA is not set -# CONFIG_FB_MATROX is not set -# CONFIG_FB_RADEON is not set -# CONFIG_FB_ATY128 is not set -# CONFIG_FB_ATY is not set -# CONFIG_FB_S3 is not set -# CONFIG_FB_SAVAGE is not set -# CONFIG_FB_SIS is not set -# CONFIG_FB_NEOMAGIC is not set -# CONFIG_FB_KYRO is not set -# CONFIG_FB_3DFX is not set -# CONFIG_FB_VOODOO1 is not set -# CONFIG_FB_SMIVGX is not set -# CONFIG_FB_TRIDENT is not set -# CONFIG_FB_VIRTUAL is not set - -# -# Console display driver support -# -# CONFIG_VGA_CONSOLE is not set -CONFIG_DUMMY_CONSOLE=y -CONFIG_FRAMEBUFFER_CONSOLE=m -# CONFIG_FRAMEBUFFER_CONSOLE_ROTATION is not set -# CONFIG_FONTS is not set -CONFIG_FONT_8x8=y -CONFIG_FONT_8x16=y - -# -# Logo configuration -# -# CONFIG_LOGO is not set -# CONFIG_BACKLIGHT_LCD_SUPPORT is not set - -# -# Sound -# -# CONFIG_SOUND is not set - -# -# HID Devices -# -CONFIG_HID=y -# CONFIG_HID_DEBUG is not set - -# -# USB support -# -CONFIG_USB_ARCH_HAS_HCD=y -CONFIG_USB_ARCH_HAS_OHCI=y -CONFIG_USB_ARCH_HAS_EHCI=y -CONFIG_USB=y -# CONFIG_USB_DEBUG is not set - -# -# Miscellaneous USB options -# -CONFIG_USB_DEVICEFS=y -# CONFIG_USB_DYNAMIC_MINORS is not set -# CONFIG_USB_SUSPEND is not set -# CONFIG_USB_OTG is not set - -# -# USB Host Controller Drivers -# -CONFIG_USB_EHCI_HCD=y -# CONFIG_USB_EHCI_SPLIT_ISO is not set -# CONFIG_USB_EHCI_ROOT_HUB_TT is not set -# CONFIG_USB_EHCI_TT_NEWSCHED is not set -# CONFIG_USB_EHCI_BIG_ENDIAN_MMIO is not set -# CONFIG_USB_ISP116X_HCD is not set -CONFIG_USB_OHCI_HCD=y -# CONFIG_USB_OHCI_BIG_ENDIAN_DESC is not set -# CONFIG_USB_OHCI_BIG_ENDIAN_MMIO is not set -CONFIG_USB_OHCI_LITTLE_ENDIAN=y -# CONFIG_USB_UHCI_HCD is not set -# CONFIG_USB_SL811_HCD is not set - -# -# USB Device Class drivers -# -# CONFIG_USB_ACM is not set -# CONFIG_USB_PRINTER is not set - -# -# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support' -# - -# -# may also be needed; see USB_STORAGE Help for more information -# -CONFIG_USB_STORAGE=y -# CONFIG_USB_STORAGE_DEBUG is not set -# CONFIG_USB_STORAGE_DATAFAB is not set -# CONFIG_USB_STORAGE_FREECOM is not set -# CONFIG_USB_STORAGE_DPCM is not set -# CONFIG_USB_STORAGE_USBAT is not set -# CONFIG_USB_STORAGE_SDDR09 is not set -# CONFIG_USB_STORAGE_SDDR55 is not set -# CONFIG_USB_STORAGE_JUMPSHOT is not set -# CONFIG_USB_STORAGE_ALAUDA is not set -# CONFIG_USB_STORAGE_KARMA is not set -# CONFIG_USB_LIBUSUAL is not set - -# -# USB Input Devices -# -CONFIG_USB_HID=m -# CONFIG_USB_HIDINPUT_POWERBOOK is not set -# CONFIG_HID_FF is not set -# CONFIG_USB_HIDDEV is not set - -# -# USB HID Boot Protocol drivers -# -# CONFIG_USB_KBD is not set -# CONFIG_USB_MOUSE is not set -# CONFIG_USB_AIPTEK is not set -# CONFIG_USB_WACOM is not set -# CONFIG_USB_ACECAD is not set -# CONFIG_USB_KBTAB is not set -# CONFIG_USB_POWERMATE is not set -# CONFIG_USB_TOUCHSCREEN is not set -# CONFIG_USB_YEALINK is not set -# CONFIG_USB_XPAD is not set -# CONFIG_USB_ATI_REMOTE is not set -# CONFIG_USB_ATI_REMOTE2 is not set -# CONFIG_USB_KEYSPAN_REMOTE is not set -# CONFIG_USB_APPLETOUCH is not set -# CONFIG_USB_GTCO is not set - -# -# USB Imaging devices -# -# CONFIG_USB_MDC800 is not set -# CONFIG_USB_MICROTEK is not set - -# -# USB Network Adapters -# -# CONFIG_USB_CATC is not set -# CONFIG_USB_KAWETH is not set -# CONFIG_USB_PEGASUS is not set -# CONFIG_USB_RTL8150 is not set -# CONFIG_USB_USBNET_MII is not set -# CONFIG_USB_USBNET is not set -# CONFIG_USB_MON is not set - -# -# USB port drivers -# - -# -# USB Serial Converter support -# -# CONFIG_USB_SERIAL is not set - -# -# USB Miscellaneous drivers -# -# CONFIG_USB_EMI62 is not set -# CONFIG_USB_EMI26 is not set -# CONFIG_USB_ADUTUX is not set -# CONFIG_USB_AUERSWALD is not set -# CONFIG_USB_RIO500 is not set -# CONFIG_USB_LEGOTOWER is not set -# CONFIG_USB_LCD is not set -# CONFIG_USB_BERRY_CHARGE is not set -# CONFIG_USB_LED is not set -# CONFIG_USB_CYPRESS_CY7C63 is not set -# CONFIG_USB_CYTHERM is not set -# CONFIG_USB_PHIDGET is not set -# CONFIG_USB_IDMOUSE is not set -# CONFIG_USB_FTDI_ELAN is not set -# CONFIG_USB_APPLEDISPLAY is not set -# CONFIG_USB_SISUSBVGA is not set -# CONFIG_USB_LD is not set -# CONFIG_USB_TRANCEVIBRATOR is not set -# CONFIG_USB_TEST is not set - -# -# USB DSL modem support -# - -# -# USB Gadget Support -# -# CONFIG_USB_GADGET is not set - -# -# MMC/SD Card support -# -# CONFIG_MMC is not set - -# -# LED devices -# -# CONFIG_NEW_LEDS is not set - -# -# LED drivers -# - -# -# LED Triggers -# - -# -# InfiniBand support -# -# CONFIG_INFINIBAND is not set - -# -# EDAC - error detection and reporting (RAS) (EXPERIMENTAL) -# - -# -# Real Time Clock -# -# CONFIG_RTC_CLASS is not set - -# -# DMA Engine support -# -# CONFIG_DMA_ENGINE is not set - -# -# DMA Clients -# - -# -# DMA Devices -# - -# -# Auxiliary Display support -# - -# -# Virtualization -# - -# -# File systems -# -CONFIG_EXT2_FS=y -# CONFIG_EXT2_FS_XATTR is not set -# CONFIG_EXT2_FS_XIP is not set -# CONFIG_EXT3_FS is not set -# CONFIG_EXT4DEV_FS is not set -# CONFIG_REISERFS_FS is not set -# CONFIG_JFS_FS is not set -CONFIG_FS_POSIX_ACL=y -# CONFIG_XFS_FS is not set -# CONFIG_GFS2_FS is not set -# CONFIG_OCFS2_FS is not set -# CONFIG_MINIX_FS is not set -# CONFIG_ROMFS_FS is not set -CONFIG_INOTIFY=y -CONFIG_INOTIFY_USER=y -# CONFIG_QUOTA is not set -# CONFIG_DNOTIFY is not set -# CONFIG_AUTOFS_FS is not set -# CONFIG_AUTOFS4_FS is not set -# CONFIG_FUSE_FS is not set -CONFIG_GENERIC_ACL=y - -# -# CD-ROM/DVD Filesystems -# -# CONFIG_ISO9660_FS is not set -# CONFIG_UDF_FS is not set - -# -# DOS/FAT/NT Filesystems -# -CONFIG_FAT_FS=m -CONFIG_MSDOS_FS=m -CONFIG_VFAT_FS=m -CONFIG_FAT_DEFAULT_CODEPAGE=437 -CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1" -# CONFIG_NTFS_FS is not set - -# -# Pseudo filesystems -# -CONFIG_PROC_FS=y -CONFIG_PROC_KCORE=y -CONFIG_PROC_SYSCTL=y -CONFIG_SYSFS=y -CONFIG_TMPFS=y -CONFIG_TMPFS_POSIX_ACL=y -# CONFIG_HUGETLB_PAGE is not set -CONFIG_RAMFS=y -CONFIG_CONFIGFS_FS=m - -# -# Miscellaneous filesystems -# -# CONFIG_ADFS_FS is not set -# CONFIG_AFFS_FS is not set -# CONFIG_HFS_FS is not set -# CONFIG_HFSPLUS_FS is not set -# CONFIG_BEFS_FS is not set -# CONFIG_BFS_FS is not set -# CONFIG_EFS_FS is not set -CONFIG_JFFS2_FS=y -CONFIG_JFFS2_FS_DEBUG=0 -CONFIG_JFFS2_FS_WRITEBUFFER=y -# CONFIG_JFFS2_SUMMARY is not set -# CONFIG_JFFS2_FS_XATTR is not set -# CONFIG_JFFS2_COMPRESSION_OPTIONS is not set -CONFIG_JFFS2_ZLIB=y -CONFIG_JFFS2_RTIME=y -# CONFIG_JFFS2_RUBIN is not set -# CONFIG_CRAMFS is not set -# CONFIG_VXFS_FS is not set -# CONFIG_HPFS_FS is not set -# CONFIG_QNX4FS_FS is not set -# CONFIG_SYSV_FS is not set -# CONFIG_UFS_FS is not set - -# -# Network File Systems -# -CONFIG_NFS_FS=y -CONFIG_NFS_V3=y -# CONFIG_NFS_V3_ACL is not set -# CONFIG_NFS_V4 is not set -# CONFIG_NFS_DIRECTIO is not set -# CONFIG_NFSD is not set -CONFIG_ROOT_NFS=y -CONFIG_LOCKD=y -CONFIG_LOCKD_V4=y -CONFIG_NFS_COMMON=y -CONFIG_SUNRPC=y -# CONFIG_RPCSEC_GSS_KRB5 is not set -# CONFIG_RPCSEC_GSS_SPKM3 is not set -# CONFIG_SMB_FS is not set -# CONFIG_CIFS is not set -# CONFIG_NCP_FS is not set -# CONFIG_CODA_FS is not set -# CONFIG_AFS_FS is not set -# CONFIG_9P_FS is not set - -# -# Partition Types -# -CONFIG_PARTITION_ADVANCED=y -# CONFIG_ACORN_PARTITION is not set -# CONFIG_OSF_PARTITION is not set -# CONFIG_AMIGA_PARTITION is not set -# CONFIG_ATARI_PARTITION is not set -# CONFIG_MAC_PARTITION is not set -CONFIG_MSDOS_PARTITION=y -# CONFIG_BSD_DISKLABEL is not set -# CONFIG_MINIX_SUBPARTITION is not set -# CONFIG_SOLARIS_X86_PARTITION is not set -# CONFIG_UNIXWARE_DISKLABEL is not set -# CONFIG_LDM_PARTITION is not set -# CONFIG_SGI_PARTITION is not set -# CONFIG_ULTRIX_PARTITION is not set -# CONFIG_SUN_PARTITION is not set -# CONFIG_KARMA_PARTITION is not set -# CONFIG_EFI_PARTITION is not set - -# -# Native Language Support -# -CONFIG_NLS=y -CONFIG_NLS_DEFAULT="iso8859-1" -CONFIG_NLS_CODEPAGE_437=m -# CONFIG_NLS_CODEPAGE_737 is not set -# CONFIG_NLS_CODEPAGE_775 is not set -CONFIG_NLS_CODEPAGE_850=m -# CONFIG_NLS_CODEPAGE_852 is not set -# CONFIG_NLS_CODEPAGE_855 is not set -# CONFIG_NLS_CODEPAGE_857 is not set -# CONFIG_NLS_CODEPAGE_860 is not set -# CONFIG_NLS_CODEPAGE_861 is not set -# CONFIG_NLS_CODEPAGE_862 is not set -# CONFIG_NLS_CODEPAGE_863 is not set -# CONFIG_NLS_CODEPAGE_864 is not set -# CONFIG_NLS_CODEPAGE_865 is not set -# CONFIG_NLS_CODEPAGE_866 is not set -# CONFIG_NLS_CODEPAGE_869 is not set -# CONFIG_NLS_CODEPAGE_936 is not set -# CONFIG_NLS_CODEPAGE_950 is not set -# CONFIG_NLS_CODEPAGE_932 is not set -# CONFIG_NLS_CODEPAGE_949 is not set -# CONFIG_NLS_CODEPAGE_874 is not set -# CONFIG_NLS_ISO8859_8 is not set -# CONFIG_NLS_CODEPAGE_1250 is not set -# CONFIG_NLS_CODEPAGE_1251 is not set -# CONFIG_NLS_ASCII is not set -CONFIG_NLS_ISO8859_1=m -# CONFIG_NLS_ISO8859_2 is not set -# CONFIG_NLS_ISO8859_3 is not set -# CONFIG_NLS_ISO8859_4 is not set -# CONFIG_NLS_ISO8859_5 is not set -# CONFIG_NLS_ISO8859_6 is not set -# CONFIG_NLS_ISO8859_7 is not set -# CONFIG_NLS_ISO8859_9 is not set -# CONFIG_NLS_ISO8859_13 is not set -# CONFIG_NLS_ISO8859_14 is not set -# CONFIG_NLS_ISO8859_15 is not set -# CONFIG_NLS_KOI8_R is not set -# CONFIG_NLS_KOI8_U is not set -# CONFIG_NLS_UTF8 is not set - -# -# Distributed Lock Manager -# -CONFIG_DLM=m -CONFIG_DLM_TCP=y -# CONFIG_DLM_SCTP is not set -# CONFIG_DLM_DEBUG is not set - -# -# Profiling support -# -# CONFIG_PROFILING is not set - -# -# Kernel hacking -# -CONFIG_TRACE_IRQFLAGS_SUPPORT=y -# CONFIG_PRINTK_TIME is not set -CONFIG_ENABLE_MUST_CHECK=y -# CONFIG_MAGIC_SYSRQ is not set -# CONFIG_UNUSED_SYMBOLS is not set -# CONFIG_DEBUG_FS is not set -# CONFIG_HEADERS_CHECK is not set -# CONFIG_DEBUG_KERNEL is not set -CONFIG_LOG_BUF_SHIFT=14 -CONFIG_CROSSCOMPILE=y -CONFIG_CMDLINE="" - -# -# Security options -# -# CONFIG_KEYS is not set -# CONFIG_SECURITY is not set - -# -# Cryptographic options -# -CONFIG_CRYPTO=y -CONFIG_CRYPTO_ALGAPI=y -CONFIG_CRYPTO_BLKCIPHER=m -CONFIG_CRYPTO_HASH=m -CONFIG_CRYPTO_MANAGER=m -# CONFIG_CRYPTO_HMAC is not set -CONFIG_CRYPTO_XCBC=m -# CONFIG_CRYPTO_NULL is not set -# CONFIG_CRYPTO_MD4 is not set -CONFIG_CRYPTO_MD5=y -# CONFIG_CRYPTO_SHA1 is not set -# CONFIG_CRYPTO_SHA256 is not set -# CONFIG_CRYPTO_SHA512 is not set -# CONFIG_CRYPTO_WP512 is not set -# CONFIG_CRYPTO_TGR192 is not set -CONFIG_CRYPTO_GF128MUL=m -CONFIG_CRYPTO_ECB=m -CONFIG_CRYPTO_CBC=m -CONFIG_CRYPTO_PCBC=m -CONFIG_CRYPTO_LRW=m -# CONFIG_CRYPTO_DES is not set -CONFIG_CRYPTO_FCRYPT=m -# CONFIG_CRYPTO_BLOWFISH is not set -# CONFIG_CRYPTO_TWOFISH is not set -# CONFIG_CRYPTO_SERPENT is not set -# CONFIG_CRYPTO_AES is not set -# CONFIG_CRYPTO_CAST5 is not set -# CONFIG_CRYPTO_CAST6 is not set -# CONFIG_CRYPTO_TEA is not set -# CONFIG_CRYPTO_ARC4 is not set -# CONFIG_CRYPTO_KHAZAD is not set -# CONFIG_CRYPTO_ANUBIS is not set -# CONFIG_CRYPTO_DEFLATE is not set -# CONFIG_CRYPTO_MICHAEL_MIC is not set -# CONFIG_CRYPTO_CRC32C is not set -CONFIG_CRYPTO_CAMELLIA=m -# CONFIG_CRYPTO_TEST is not set - -# -# Hardware crypto devices -# - -# -# Library routines -# -CONFIG_BITREVERSE=y -# CONFIG_CRC_CCITT is not set -# CONFIG_CRC16 is not set -CONFIG_CRC32=y -# CONFIG_LIBCRC32C is not set -CONFIG_ZLIB_INFLATE=y -CONFIG_ZLIB_DEFLATE=y -CONFIG_PLIST=y -CONFIG_HAS_IOMEM=y -CONFIG_HAS_IOPORT=y diff --git a/arch/mips/configs/fuloong2e_defconfig b/arch/mips/configs/fuloong2e_defconfig index 0197f0de6b3..a09dd03aa8c 100644 --- a/arch/mips/configs/fuloong2e_defconfig +++ b/arch/mips/configs/fuloong2e_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.31-rc1 -# Thu Jul 2 22:37:00 2009 +# Linux kernel version: 2.6.32-rc4 +# Fri Oct 16 13:18:01 2009 # CONFIG_MIPS=y @@ -10,8 +10,8 @@ CONFIG_MIPS=y # # CONFIG_MACH_ALCHEMY is not set # CONFIG_AR7 is not set -# CONFIG_BASLER_EXCITE is not set # CONFIG_BCM47XX is not set +# CONFIG_BCM63XX is not set # CONFIG_MIPS_COBALT is not set # CONFIG_MACH_DECSTATION is not set # CONFIG_MACH_JAZZ is not set @@ -105,6 +105,8 @@ CONFIG_CPU_LOONGSON2E=y # CONFIG_CPU_RM9000 is not set # CONFIG_CPU_SB1 is not set # CONFIG_CPU_CAVIUM_OCTEON is not set +CONFIG_SYS_SUPPORTS_ZBOOT=y +CONFIG_SYS_SUPPORTS_ZBOOT_UART16550=y CONFIG_CPU_LOONGSON2=y CONFIG_SYS_HAS_CPU_LOONGSON2E=y CONFIG_SYS_SUPPORTS_32BIT_KERNEL=y @@ -135,12 +137,16 @@ CONFIG_SYS_SUPPORTS_HIGHMEM=y CONFIG_ARCH_FLATMEM_ENABLE=y CONFIG_ARCH_POPULATES_NODE_MAP=y CONFIG_SELECT_MEMORY_MODEL=y -CONFIG_FLATMEM_MANUAL=y +# CONFIG_FLATMEM_MANUAL is not set # CONFIG_DISCONTIGMEM_MANUAL is not set -# CONFIG_SPARSEMEM_MANUAL is not set -CONFIG_FLATMEM=y -CONFIG_FLAT_NODE_MEM_MAP=y +CONFIG_SPARSEMEM_MANUAL=y +CONFIG_SPARSEMEM=y +CONFIG_HAVE_MEMORY_PRESENT=y CONFIG_SPARSEMEM_STATIC=y + +# +# Memory hotplug is currently incompatible with Software Suspend +# CONFIG_PAGEFLAGS_EXTENDED=y CONFIG_SPLIT_PTLOCK_CPUS=4 CONFIG_PHYS_ADDR_T_64BIT=y @@ -148,6 +154,7 @@ CONFIG_ZONE_DMA_FLAG=0 CONFIG_VIRT_TO_BUS=y CONFIG_HAVE_MLOCK=y CONFIG_HAVE_MLOCKED_PAGE_BIT=y +# CONFIG_KSM is not set CONFIG_DEFAULT_MMAP_MIN_ADDR=4096 CONFIG_TICK_ONESHOT=y CONFIG_NO_HZ=y @@ -180,6 +187,12 @@ CONFIG_BROKEN_ON_SMP=y CONFIG_INIT_ENV_ARG_LIMIT=32 CONFIG_LOCALVERSION="-fuloong2e" # CONFIG_LOCALVERSION_AUTO is not set +CONFIG_HAVE_KERNEL_GZIP=y +CONFIG_HAVE_KERNEL_BZIP2=y +CONFIG_HAVE_KERNEL_LZMA=y +CONFIG_KERNEL_GZIP=y +# CONFIG_KERNEL_BZIP2 is not set +# CONFIG_KERNEL_LZMA is not set CONFIG_SWAP=y CONFIG_SYSVIPC=y CONFIG_SYSVIPC_SYSCTL=y @@ -193,11 +206,12 @@ CONFIG_BSD_PROCESS_ACCT=y # # RCU Subsystem # -CONFIG_CLASSIC_RCU=y -# CONFIG_TREE_RCU is not set -# CONFIG_PREEMPT_RCU is not set +CONFIG_TREE_RCU=y +# CONFIG_TREE_PREEMPT_RCU is not set +# CONFIG_RCU_TRACE is not set +CONFIG_RCU_FANOUT=64 +# CONFIG_RCU_FANOUT_EXACT is not set # CONFIG_TREE_RCU_TRACE is not set -# CONFIG_PREEMPT_RCU_TRACE is not set CONFIG_IKCONFIG=y CONFIG_IKCONFIG_PROC=y CONFIG_LOG_BUF_SHIFT=14 @@ -235,18 +249,16 @@ CONFIG_SHMEM=y CONFIG_AIO=y # -# Performance Counters +# Kernel Performance Events And Counters # CONFIG_VM_EVENT_COUNTERS=y CONFIG_PCI_QUIRKS=y -# CONFIG_STRIP_ASM_SYMS is not set # CONFIG_COMPAT_BRK is not set CONFIG_SLAB=y # CONFIG_SLUB is not set # CONFIG_SLOB is not set CONFIG_PROFILING=y CONFIG_TRACEPOINTS=y -CONFIG_MARKERS=y CONFIG_OPROFILE=m CONFIG_HAVE_OPROFILE=y CONFIG_HAVE_SYSCALL_WRAPPERS=y @@ -255,8 +267,8 @@ CONFIG_HAVE_SYSCALL_WRAPPERS=y # GCOV-based kernel profiling # # CONFIG_GCOV_KERNEL is not set -# CONFIG_SLOW_WORK is not set -# CONFIG_HAVE_GENERIC_DMA_COHERENT is not set +CONFIG_SLOW_WORK=y +CONFIG_HAVE_GENERIC_DMA_COHERENT=y CONFIG_SLABINFO=y CONFIG_RT_MUTEXES=y CONFIG_BASE_SMALL=0 @@ -283,7 +295,7 @@ CONFIG_IOSCHED_CFQ=y CONFIG_DEFAULT_CFQ=y # CONFIG_DEFAULT_NOOP is not set CONFIG_DEFAULT_IOSCHED="cfq" -# CONFIG_FREEZER is not set +CONFIG_FREEZER=y # # Bus options (PCI, PCMCIA, EISA, ISA, TC) @@ -321,9 +333,14 @@ CONFIG_ARCH_HIBERNATION_POSSIBLE=y CONFIG_ARCH_SUSPEND_POSSIBLE=y CONFIG_PM=y # CONFIG_PM_DEBUG is not set +CONFIG_PM_SLEEP=y # CONFIG_SUSPEND is not set -# CONFIG_HIBERNATION is not set +CONFIG_HIBERNATION_NVS=y +CONFIG_HIBERNATION=y +CONFIG_PM_STD_PARTITION="/dev/hda3" +# CONFIG_PM_RUNTIME is not set CONFIG_NET=y +CONFIG_COMPAT_NETLINK_MESSAGES=y # # Networking options @@ -442,6 +459,7 @@ CONFIG_IP_NF_ARPFILTER=m CONFIG_IP_NF_ARP_MANGLE=m # CONFIG_IP_DCCP is not set # CONFIG_IP_SCTP is not set +# CONFIG_RDS is not set # CONFIG_TIPC is not set # CONFIG_ATM is not set # CONFIG_BRIDGE is not set @@ -473,6 +491,7 @@ CONFIG_NET_CLS_ROUTE=y # CONFIG_AF_RXRPC is not set CONFIG_WIRELESS=y # CONFIG_CFG80211 is not set +CONFIG_CFG80211_DEFAULT_PS_VALUE=0 CONFIG_WIRELESS_OLD_REGULATORY=y CONFIG_WIRELESS_EXT=y CONFIG_WIRELESS_EXT_SYSFS=y @@ -481,7 +500,6 @@ CONFIG_WIRELESS_EXT_SYSFS=y # # CFG80211 needs to be enabled for MAC80211 # -CONFIG_MAC80211_DEFAULT_PS_VALUE=0 # CONFIG_WIMAX is not set # CONFIG_RFKILL is not set CONFIG_NET_9P=m @@ -495,6 +513,7 @@ CONFIG_NET_9P=m # Generic Driver Options # CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" +# CONFIG_DEVTMPFS is not set CONFIG_STANDALONE=y CONFIG_PREVENT_FIRMWARE_BUILD=y CONFIG_FW_LOADER=m @@ -504,9 +523,9 @@ CONFIG_EXTRA_FIRMWARE="" # CONFIG_CONNECTOR is not set CONFIG_MTD=m # CONFIG_MTD_DEBUG is not set +# CONFIG_MTD_TESTS is not set # CONFIG_MTD_CONCAT is not set # CONFIG_MTD_PARTITIONS is not set -# CONFIG_MTD_TESTS is not set # # User Modules And Translation Layers @@ -820,6 +839,7 @@ CONFIG_8139TOO=y # CONFIG_SUNDANCE is not set # CONFIG_TLAN is not set # CONFIG_KS8842 is not set +# CONFIG_KS8851_MLL is not set # CONFIG_VIA_RHINE is not set # CONFIG_SC92031 is not set # CONFIG_ATL2 is not set @@ -867,10 +887,7 @@ CONFIG_CHELSIO_T3_DEPENDS=y # CONFIG_SFC is not set # CONFIG_BE2NET is not set # CONFIG_TR is not set - -# -# Wireless LAN -# +CONFIG_WLAN=y # CONFIG_WLAN_PRE80211 is not set # CONFIG_WLAN_80211 is not set @@ -886,6 +903,7 @@ CONFIG_CHELSIO_T3_DEPENDS=y # CONFIG_USB_PEGASUS is not set # CONFIG_USB_RTL8150 is not set # CONFIG_USB_USBNET is not set +# CONFIG_USB_CDC_PHONET is not set # CONFIG_WAN is not set # CONFIG_FDDI is not set # CONFIG_HIPPI is not set @@ -933,12 +951,16 @@ CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768 # Input Device Drivers # CONFIG_INPUT_KEYBOARD=y +# CONFIG_KEYBOARD_ADP5588 is not set CONFIG_KEYBOARD_ATKBD=y -# CONFIG_KEYBOARD_SUNKBD is not set +# CONFIG_QT2160 is not set # CONFIG_KEYBOARD_LKKBD is not set -# CONFIG_KEYBOARD_XTKBD is not set +# CONFIG_KEYBOARD_MAX7359 is not set # CONFIG_KEYBOARD_NEWTON is not set +# CONFIG_KEYBOARD_OPENCORES is not set # CONFIG_KEYBOARD_STOWAWAY is not set +# CONFIG_KEYBOARD_SUNKBD is not set +# CONFIG_KEYBOARD_XTKBD is not set CONFIG_INPUT_MOUSE=y CONFIG_MOUSE_PS2=y CONFIG_MOUSE_PS2_ALPS=y @@ -946,6 +968,7 @@ CONFIG_MOUSE_PS2_LOGIPS2PP=y CONFIG_MOUSE_PS2_SYNAPTICS=y CONFIG_MOUSE_PS2_TRACKPOINT=y # CONFIG_MOUSE_PS2_ELANTECH is not set +# CONFIG_MOUSE_PS2_SENTELIC is not set # CONFIG_MOUSE_PS2_TOUCHKIT is not set CONFIG_MOUSE_SERIAL=y # CONFIG_MOUSE_APPLETOUCH is not set @@ -1015,6 +1038,7 @@ CONFIG_RTC=y CONFIG_DEVPORT=y CONFIG_I2C=m CONFIG_I2C_BOARDINFO=y +CONFIG_I2C_COMPAT=y CONFIG_I2C_CHARDEV=m CONFIG_I2C_HELPER_AUTO=y @@ -1070,9 +1094,6 @@ CONFIG_I2C_VIAPRO=m # Miscellaneous I2C Chip support # # CONFIG_DS1682 is not set -# CONFIG_SENSORS_PCF8574 is not set -# CONFIG_PCF8575 is not set -# CONFIG_SENSORS_PCA9539 is not set # CONFIG_SENSORS_TSL2550 is not set # CONFIG_I2C_DEBUG_CORE is not set # CONFIG_I2C_DEBUG_ALGO is not set @@ -1088,7 +1109,6 @@ CONFIG_I2C_VIAPRO=m # CONFIG_POWER_SUPPLY is not set # CONFIG_HWMON is not set # CONFIG_THERMAL is not set -# CONFIG_THERMAL_HWMON is not set # CONFIG_WATCHDOG is not set CONFIG_SSB_POSSIBLE=y @@ -1105,6 +1125,7 @@ CONFIG_SSB_POSSIBLE=y # CONFIG_HTC_PASIC3 is not set # CONFIG_MFD_TMIO is not set # CONFIG_MFD_WM8400 is not set +# CONFIG_MFD_WM831X is not set # CONFIG_MFD_WM8350_I2C is not set # CONFIG_MFD_PCF50633 is not set # CONFIG_AB3100_CORE is not set @@ -1114,6 +1135,7 @@ CONFIG_SSB_POSSIBLE=y # # Graphics support # +CONFIG_VGA_ARB=y # CONFIG_DRM is not set # CONFIG_VGASTATE is not set CONFIG_VIDEO_OUTPUT_CONTROL=m @@ -1198,6 +1220,7 @@ CONFIG_FONT_8x16=y # CONFIG_LOGO is not set CONFIG_SOUND=y CONFIG_SOUND_OSS_CORE=y +CONFIG_SOUND_OSS_CORE_PRECLAIM=y CONFIG_SND=m CONFIG_SND_TIMER=m CONFIG_SND_PCM=m @@ -1304,7 +1327,6 @@ CONFIG_SND_USB=y CONFIG_AC97_BUS=m CONFIG_HID_SUPPORT=y CONFIG_HID=y -# CONFIG_HID_DEBUG is not set CONFIG_HIDRAW=y # @@ -1356,6 +1378,7 @@ CONFIG_USB_EHCI_TT_NEWSCHED=y # CONFIG_USB_OXU210HP_HCD is not set # CONFIG_USB_ISP116X_HCD is not set CONFIG_USB_ISP1760_HCD=m +# CONFIG_USB_ISP1362_HCD is not set CONFIG_USB_OHCI_HCD=y # CONFIG_USB_OHCI_BIG_ENDIAN_DESC is not set # CONFIG_USB_OHCI_BIG_ENDIAN_MMIO is not set @@ -1453,6 +1476,7 @@ CONFIG_UIO_CIF=m # CONFIG_UIO_SMX is not set # CONFIG_UIO_AEC is not set # CONFIG_UIO_SERCOS3 is not set +# CONFIG_UIO_PCI_GENERIC is not set # # TI VLYNQ @@ -1469,10 +1493,10 @@ CONFIG_EXT3_FS=y # CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set # CONFIG_EXT3_FS_XATTR is not set CONFIG_EXT4_FS=m -CONFIG_EXT4DEV_COMPAT=y CONFIG_EXT4_FS_XATTR=y CONFIG_EXT4_FS_POSIX_ACL=y CONFIG_EXT4_FS_SECURITY=y +# CONFIG_EXT4_DEBUG is not set CONFIG_FS_XIP=y CONFIG_JBD=y # CONFIG_JBD_DEBUG is not set @@ -1489,6 +1513,7 @@ CONFIG_FS_POSIX_ACL=y # CONFIG_GFS2_FS is not set # CONFIG_OCFS2_FS is not set # CONFIG_BTRFS_FS is not set +# CONFIG_NILFS2_FS is not set CONFIG_FILE_LOCKING=y CONFIG_FSNOTIFY=y CONFIG_DNOTIFY=y @@ -1557,7 +1582,6 @@ CONFIG_OMFS_FS=m # CONFIG_ROMFS_FS is not set # CONFIG_SYSV_FS is not set # CONFIG_UFS_FS is not set -# CONFIG_NILFS2_FS is not set CONFIG_NETWORK_FILESYSTEMS=y CONFIG_NFS_FS=m CONFIG_NFS_V3=y @@ -1666,6 +1690,7 @@ CONFIG_ENABLE_WARN_DEPRECATED=y # CONFIG_ENABLE_MUST_CHECK is not set CONFIG_FRAME_WARN=2048 # CONFIG_MAGIC_SYSRQ is not set +# CONFIG_STRIP_ASM_SYMS is not set # CONFIG_UNUSED_SYMBOLS is not set CONFIG_DEBUG_FS=y # CONFIG_HEADERS_CHECK is not set @@ -1678,13 +1703,14 @@ CONFIG_NOP_TRACER=y CONFIG_RING_BUFFER=y CONFIG_EVENT_TRACING=y CONFIG_CONTEXT_SWITCH_TRACER=y +CONFIG_RING_BUFFER_ALLOW_SWAP=y CONFIG_TRACING=y CONFIG_TRACING_SUPPORT=y # CONFIG_FTRACE is not set # CONFIG_DYNAMIC_DEBUG is not set # CONFIG_SAMPLES is not set CONFIG_HAVE_ARCH_KGDB=y -CONFIG_CMDLINE="" +# CONFIG_CMDLINE_BOOL is not set # # Security options @@ -1742,11 +1768,13 @@ CONFIG_CRYPTO_XTS=m # CONFIG_CRYPTO_HMAC=y # CONFIG_CRYPTO_XCBC is not set +# CONFIG_CRYPTO_VMAC is not set # # Digest # # CONFIG_CRYPTO_CRC32C is not set +CONFIG_CRYPTO_GHASH=m # CONFIG_CRYPTO_MD4 is not set CONFIG_CRYPTO_MD5=m # CONFIG_CRYPTO_MICHAEL_MIC is not set diff --git a/arch/mips/configs/ip22_defconfig b/arch/mips/configs/ip22_defconfig index f14d38ba603..222d7eca2fe 100644 --- a/arch/mips/configs/ip22_defconfig +++ b/arch/mips/configs/ip22_defconfig @@ -9,7 +9,6 @@ CONFIG_MIPS=y # Machine selection # # CONFIG_MACH_ALCHEMY is not set -# CONFIG_BASLER_EXCITE is not set # CONFIG_BCM47XX is not set # CONFIG_MIPS_COBALT is not set # CONFIG_MACH_DECSTATION is not set @@ -1188,7 +1187,7 @@ CONFIG_DEBUG_MEMORY_INIT=y CONFIG_DYNAMIC_PRINTK_DEBUG=y # CONFIG_SAMPLES is not set CONFIG_HAVE_ARCH_KGDB=y -CONFIG_CMDLINE="" +# CONFIG_CMDLINE_BOOL is not set # # Security options diff --git a/arch/mips/configs/ip27_defconfig b/arch/mips/configs/ip27_defconfig index 1fc73aa7b50..ed84b4cb3c8 100644 --- a/arch/mips/configs/ip27_defconfig +++ b/arch/mips/configs/ip27_defconfig @@ -9,7 +9,6 @@ CONFIG_MIPS=y # Machine selection # # CONFIG_MACH_ALCHEMY is not set -# CONFIG_BASLER_EXCITE is not set # CONFIG_MIPS_COBALT is not set # CONFIG_MACH_DECSTATION is not set # CONFIG_MACH_JAZZ is not set @@ -940,7 +939,7 @@ CONFIG_ENABLE_MUST_CHECK=y # CONFIG_HEADERS_CHECK is not set # CONFIG_DEBUG_KERNEL is not set CONFIG_CROSSCOMPILE=y -CONFIG_CMDLINE="" +# CONFIG_CMDLINE_BOOL is not set # # Security options diff --git a/arch/mips/configs/ip28_defconfig b/arch/mips/configs/ip28_defconfig index 539dccb0345..dab2e5aaada 100644 --- a/arch/mips/configs/ip28_defconfig +++ b/arch/mips/configs/ip28_defconfig @@ -9,7 +9,6 @@ CONFIG_MIPS=y # Machine selection # # CONFIG_MACH_ALCHEMY is not set -# CONFIG_BASLER_EXCITE is not set # CONFIG_BCM47XX is not set # CONFIG_MIPS_COBALT is not set # CONFIG_MACH_DECSTATION is not set @@ -816,7 +815,7 @@ CONFIG_MAGIC_SYSRQ=y # CONFIG_HEADERS_CHECK is not set # CONFIG_DEBUG_KERNEL is not set # CONFIG_SAMPLES is not set -CONFIG_CMDLINE="" +# CONFIG_CMDLINE_BOOL is not set # # Security options diff --git a/arch/mips/configs/ip32_defconfig b/arch/mips/configs/ip32_defconfig index d934bdefb39..1841c88d3d2 100644 --- a/arch/mips/configs/ip32_defconfig +++ b/arch/mips/configs/ip32_defconfig @@ -9,7 +9,6 @@ CONFIG_MIPS=y # Machine selection # # CONFIG_MACH_ALCHEMY is not set -# CONFIG_BASLER_EXCITE is not set # CONFIG_BCM47XX is not set # CONFIG_MIPS_COBALT is not set # CONFIG_MACH_DECSTATION is not set @@ -1126,7 +1125,7 @@ CONFIG_SYSCTL_SYSCALL_CHECK=y # CONFIG_DYNAMIC_PRINTK_DEBUG is not set # CONFIG_SAMPLES is not set CONFIG_HAVE_ARCH_KGDB=y -CONFIG_CMDLINE="" +# CONFIG_CMDLINE_BOOL is not set # # Security options diff --git a/arch/mips/configs/jazz_defconfig b/arch/mips/configs/jazz_defconfig index d22df61833a..14c2ab3b267 100644 --- a/arch/mips/configs/jazz_defconfig +++ b/arch/mips/configs/jazz_defconfig @@ -22,7 +22,6 @@ CONFIG_ZONE_DMA=y # CONFIG_MIPS_DB1550 is not set # CONFIG_MIPS_DB1200 is not set # CONFIG_MIPS_MIRAGE is not set -# CONFIG_BASLER_EXCITE is not set # CONFIG_MIPS_COBALT is not set # CONFIG_MACH_DECSTATION is not set CONFIG_MACH_JAZZ=y @@ -1374,7 +1373,7 @@ CONFIG_ENABLE_MUST_CHECK=y # CONFIG_DEBUG_KERNEL is not set CONFIG_LOG_BUF_SHIFT=14 CONFIG_CROSSCOMPILE=y -CONFIG_CMDLINE="" +# CONFIG_CMDLINE_BOOL is not set # # Security options diff --git a/arch/mips/configs/jmr3927_defconfig b/arch/mips/configs/jmr3927_defconfig index 5380f1f582d..4d66c44cced 100644 --- a/arch/mips/configs/jmr3927_defconfig +++ b/arch/mips/configs/jmr3927_defconfig @@ -9,7 +9,6 @@ CONFIG_MIPS=y # Machine selection # # CONFIG_MACH_ALCHEMY is not set -# CONFIG_BASLER_EXCITE is not set # CONFIG_BCM47XX is not set # CONFIG_MIPS_COBALT is not set # CONFIG_MACH_DECSTATION is not set @@ -835,7 +834,7 @@ CONFIG_SYSCTL_SYSCALL_CHECK=y # CONFIG_DYNAMIC_PRINTK_DEBUG is not set # CONFIG_SAMPLES is not set CONFIG_HAVE_ARCH_KGDB=y -CONFIG_CMDLINE="" +# CONFIG_CMDLINE_BOOL is not set # # Security options diff --git a/arch/mips/configs/lasat_defconfig b/arch/mips/configs/lasat_defconfig index 044074db7e5..08d481e3d42 100644 --- a/arch/mips/configs/lasat_defconfig +++ b/arch/mips/configs/lasat_defconfig @@ -9,7 +9,6 @@ CONFIG_MIPS=y # Machine selection # # CONFIG_MACH_ALCHEMY is not set -# CONFIG_BASLER_EXCITE is not set # CONFIG_MIPS_COBALT is not set # CONFIG_MACH_DECSTATION is not set # CONFIG_MACH_JAZZ is not set @@ -798,7 +797,7 @@ CONFIG_MAGIC_SYSRQ=y # CONFIG_HEADERS_CHECK is not set # CONFIG_DEBUG_KERNEL is not set CONFIG_CROSSCOMPILE=y -CONFIG_CMDLINE="" +# CONFIG_CMDLINE_BOOL is not set # # Security options diff --git a/arch/mips/configs/lemote2f_defconfig b/arch/mips/configs/lemote2f_defconfig new file mode 100644 index 00000000000..b71a0a4fb95 --- /dev/null +++ b/arch/mips/configs/lemote2f_defconfig @@ -0,0 +1,1835 @@ +# +# Automatically generated make config: don't edit +# Linux kernel version: 2.6.32-rc6 +# Mon Nov 9 23:42:42 2009 +# +CONFIG_MIPS=y + +# +# Machine selection +# +# CONFIG_MACH_ALCHEMY is not set +# CONFIG_AR7 is not set +# CONFIG_BCM47XX is not set +# CONFIG_BCM63XX is not set +# CONFIG_MIPS_COBALT is not set +# CONFIG_MACH_DECSTATION is not set +# CONFIG_MACH_JAZZ is not set +# CONFIG_LASAT is not set +CONFIG_MACH_LOONGSON=y +# CONFIG_MIPS_MALTA is not set +# CONFIG_MIPS_SIM is not set +# CONFIG_NEC_MARKEINS is not set +# CONFIG_MACH_VR41XX is not set +# CONFIG_NXP_STB220 is not set +# CONFIG_NXP_STB225 is not set +# CONFIG_PNX8550_JBS is not set +# CONFIG_PNX8550_STB810 is not set +# CONFIG_PMC_MSP is not set +# CONFIG_PMC_YOSEMITE is not set +# CONFIG_SGI_IP22 is not set +# CONFIG_SGI_IP27 is not set +# CONFIG_SGI_IP28 is not set +# CONFIG_SGI_IP32 is not set +# CONFIG_SIBYTE_CRHINE is not set +# CONFIG_SIBYTE_CARMEL is not set +# CONFIG_SIBYTE_CRHONE is not set +# CONFIG_SIBYTE_RHONE is not set +# CONFIG_SIBYTE_SWARM is not set +# CONFIG_SIBYTE_LITTLESUR is not set +# CONFIG_SIBYTE_SENTOSA is not set +# CONFIG_SIBYTE_BIGSUR is not set +# CONFIG_SNI_RM is not set +# CONFIG_MACH_TX39XX is not set +# CONFIG_MACH_TX49XX is not set +# CONFIG_MIKROTIK_RB532 is not set +# CONFIG_WR_PPMC is not set +# CONFIG_CAVIUM_OCTEON_SIMULATOR is not set +# CONFIG_CAVIUM_OCTEON_REFERENCE_BOARD is not set +# CONFIG_ALCHEMY_GPIO_INDIRECT is not set +CONFIG_ARCH_SPARSEMEM_ENABLE=y +# CONFIG_LEMOTE_FULOONG2E is not set +CONFIG_LEMOTE_MACH2F=y +CONFIG_CS5536=y +CONFIG_RWSEM_GENERIC_SPINLOCK=y +# CONFIG_ARCH_HAS_ILOG2_U32 is not set +# CONFIG_ARCH_HAS_ILOG2_U64 is not set +CONFIG_ARCH_SUPPORTS_OPROFILE=y +CONFIG_GENERIC_FIND_NEXT_BIT=y +CONFIG_GENERIC_HWEIGHT=y +CONFIG_GENERIC_CALIBRATE_DELAY=y +CONFIG_GENERIC_CLOCKEVENTS=y +CONFIG_GENERIC_TIME=y +CONFIG_GENERIC_CMOS_UPDATE=y +CONFIG_SCHED_OMIT_FRAME_POINTER=y +CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y +CONFIG_CEVT_R4K_LIB=y +CONFIG_CEVT_R4K=y +CONFIG_CSRC_R4K_LIB=y +CONFIG_CSRC_R4K=y +CONFIG_DMA_NONCOHERENT=y +CONFIG_DMA_NEED_PCI_MAP_STATE=y +CONFIG_EARLY_PRINTK=y +CONFIG_SYS_HAS_EARLY_PRINTK=y +CONFIG_I8259=y +# CONFIG_NO_IOPORT is not set +CONFIG_GENERIC_ISA_DMA=y +CONFIG_GENERIC_ISA_DMA_SUPPORT_BROKEN=y +# CONFIG_CPU_BIG_ENDIAN is not set +CONFIG_CPU_LITTLE_ENDIAN=y +CONFIG_SYS_SUPPORTS_LITTLE_ENDIAN=y +CONFIG_IRQ_CPU=y +CONFIG_BOOT_ELF32=y +CONFIG_MIPS_L1_CACHE_SHIFT=5 + +# +# CPU selection +# +# CONFIG_CPU_LOONGSON2E is not set +CONFIG_CPU_LOONGSON2F=y +# CONFIG_CPU_MIPS32_R1 is not set +# CONFIG_CPU_MIPS32_R2 is not set +# CONFIG_CPU_MIPS64_R1 is not set +# CONFIG_CPU_MIPS64_R2 is not set +# CONFIG_CPU_R3000 is not set +# CONFIG_CPU_TX39XX is not set +# CONFIG_CPU_VR41XX is not set +# CONFIG_CPU_R4300 is not set +# CONFIG_CPU_R4X00 is not set +# CONFIG_CPU_TX49XX is not set +# CONFIG_CPU_R5000 is not set +# CONFIG_CPU_R5432 is not set +# CONFIG_CPU_R5500 is not set +# CONFIG_CPU_R6000 is not set +# CONFIG_CPU_NEVADA is not set +# CONFIG_CPU_R8000 is not set +# CONFIG_CPU_R10000 is not set +# CONFIG_CPU_RM7000 is not set +# CONFIG_CPU_RM9000 is not set +# CONFIG_CPU_SB1 is not set +# CONFIG_CPU_CAVIUM_OCTEON is not set +CONFIG_SYS_SUPPORTS_ZBOOT=y +CONFIG_SYS_SUPPORTS_ZBOOT_UART16550=y +CONFIG_CPU_LOONGSON2=y +CONFIG_SYS_HAS_CPU_LOONGSON2F=y +CONFIG_SYS_SUPPORTS_32BIT_KERNEL=y +CONFIG_SYS_SUPPORTS_64BIT_KERNEL=y +CONFIG_CPU_SUPPORTS_32BIT_KERNEL=y +CONFIG_CPU_SUPPORTS_64BIT_KERNEL=y + +# +# Kernel type +# +# CONFIG_32BIT is not set +CONFIG_64BIT=y +# CONFIG_PAGE_SIZE_4KB is not set +# CONFIG_PAGE_SIZE_8KB is not set +CONFIG_PAGE_SIZE_16KB=y +# CONFIG_PAGE_SIZE_32KB is not set +# CONFIG_PAGE_SIZE_64KB is not set +CONFIG_BOARD_SCACHE=y +CONFIG_MIPS_MT_DISABLED=y +# CONFIG_MIPS_MT_SMP is not set +# CONFIG_MIPS_MT_SMTC is not set +CONFIG_CPU_HAS_WB=y +CONFIG_CPU_HAS_SYNC=y +CONFIG_GENERIC_HARDIRQS=y +CONFIG_GENERIC_IRQ_PROBE=y +CONFIG_CPU_SUPPORTS_HIGHMEM=y +CONFIG_SYS_SUPPORTS_HIGHMEM=y +CONFIG_ARCH_FLATMEM_ENABLE=y +CONFIG_ARCH_POPULATES_NODE_MAP=y +CONFIG_SELECT_MEMORY_MODEL=y +# CONFIG_FLATMEM_MANUAL is not set +# CONFIG_DISCONTIGMEM_MANUAL is not set +CONFIG_SPARSEMEM_MANUAL=y +CONFIG_SPARSEMEM=y +CONFIG_HAVE_MEMORY_PRESENT=y +CONFIG_SPARSEMEM_STATIC=y + +# +# Memory hotplug is currently incompatible with Software Suspend +# +CONFIG_PAGEFLAGS_EXTENDED=y +CONFIG_SPLIT_PTLOCK_CPUS=4 +CONFIG_PHYS_ADDR_T_64BIT=y +CONFIG_ZONE_DMA_FLAG=0 +CONFIG_VIRT_TO_BUS=y +CONFIG_HAVE_MLOCK=y +CONFIG_HAVE_MLOCKED_PAGE_BIT=y +# CONFIG_KSM is not set +CONFIG_DEFAULT_MMAP_MIN_ADDR=4096 +CONFIG_TICK_ONESHOT=y +CONFIG_NO_HZ=y +CONFIG_HIGH_RES_TIMERS=y +CONFIG_GENERIC_CLOCKEVENTS_BUILD=y +# CONFIG_HZ_48 is not set +# CONFIG_HZ_100 is not set +# CONFIG_HZ_128 is not set +CONFIG_HZ_250=y +# CONFIG_HZ_256 is not set +# CONFIG_HZ_1000 is not set +# CONFIG_HZ_1024 is not set +CONFIG_SYS_SUPPORTS_ARBIT_HZ=y +CONFIG_HZ=250 +# CONFIG_PREEMPT_NONE is not set +# CONFIG_PREEMPT_VOLUNTARY is not set +CONFIG_PREEMPT=y +# CONFIG_KEXEC is not set +# CONFIG_SECCOMP is not set +CONFIG_LOCKDEP_SUPPORT=y +CONFIG_STACKTRACE_SUPPORT=y +CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" +CONFIG_CONSTRUCTORS=y + +# +# General setup +# +CONFIG_EXPERIMENTAL=y +CONFIG_BROKEN_ON_SMP=y +CONFIG_LOCK_KERNEL=y +CONFIG_INIT_ENV_ARG_LIMIT=32 +CONFIG_LOCALVERSION="" +# CONFIG_LOCALVERSION_AUTO is not set +CONFIG_HAVE_KERNEL_GZIP=y +CONFIG_HAVE_KERNEL_BZIP2=y +CONFIG_HAVE_KERNEL_LZMA=y +# CONFIG_KERNEL_GZIP is not set +# CONFIG_KERNEL_BZIP2 is not set +CONFIG_KERNEL_LZMA=y +CONFIG_SWAP=y +CONFIG_SYSVIPC=y +CONFIG_SYSVIPC_SYSCTL=y +# CONFIG_POSIX_MQUEUE is not set +CONFIG_BSD_PROCESS_ACCT=y +CONFIG_BSD_PROCESS_ACCT_V3=y +# CONFIG_TASKSTATS is not set +CONFIG_AUDIT=y + +# +# RCU Subsystem +# +CONFIG_TREE_RCU=y +# CONFIG_TREE_PREEMPT_RCU is not set +# CONFIG_RCU_TRACE is not set +CONFIG_RCU_FANOUT=64 +# CONFIG_RCU_FANOUT_EXACT is not set +# CONFIG_TREE_RCU_TRACE is not set +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_LOG_BUF_SHIFT=15 +# CONFIG_GROUP_SCHED is not set +# CONFIG_CGROUPS is not set +CONFIG_SYSFS_DEPRECATED=y +CONFIG_SYSFS_DEPRECATED_V2=y +# CONFIG_RELAY is not set +# CONFIG_NAMESPACES is not set +# CONFIG_BLK_DEV_INITRD is not set +# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set +CONFIG_SYSCTL=y +CONFIG_ANON_INODES=y +CONFIG_EMBEDDED=y +CONFIG_SYSCTL_SYSCALL=y +CONFIG_KALLSYMS=y +# CONFIG_KALLSYMS_EXTRA_PASS is not set +CONFIG_HOTPLUG=y +CONFIG_PRINTK=y +CONFIG_BUG=y +CONFIG_ELF_CORE=y +CONFIG_PCSPKR_PLATFORM=y +CONFIG_BASE_FULL=y +CONFIG_FUTEX=y +CONFIG_EPOLL=y +CONFIG_SIGNALFD=y +CONFIG_TIMERFD=y +CONFIG_EVENTFD=y +CONFIG_SHMEM=y +CONFIG_AIO=y + +# +# Kernel Performance Events And Counters +# +CONFIG_VM_EVENT_COUNTERS=y +CONFIG_PCI_QUIRKS=y +CONFIG_SLUB_DEBUG=y +CONFIG_COMPAT_BRK=y +# CONFIG_SLAB is not set +CONFIG_SLUB=y +# CONFIG_SLOB is not set +# CONFIG_PROFILING is not set +CONFIG_HAVE_OPROFILE=y +CONFIG_HAVE_SYSCALL_WRAPPERS=y + +# +# GCOV-based kernel profiling +# +# CONFIG_SLOW_WORK is not set +CONFIG_HAVE_GENERIC_DMA_COHERENT=y +CONFIG_SLABINFO=y +CONFIG_RT_MUTEXES=y +CONFIG_BASE_SMALL=0 +CONFIG_MODULES=y +# CONFIG_MODULE_FORCE_LOAD is not set +CONFIG_MODULE_UNLOAD=y +# CONFIG_MODULE_FORCE_UNLOAD is not set +CONFIG_MODVERSIONS=y +# CONFIG_MODULE_SRCVERSION_ALL is not set +CONFIG_BLOCK=y +CONFIG_BLK_DEV_BSG=y +CONFIG_BLK_DEV_INTEGRITY=y +CONFIG_BLOCK_COMPAT=y + +# +# IO Schedulers +# +CONFIG_IOSCHED_NOOP=y +CONFIG_IOSCHED_AS=y +CONFIG_IOSCHED_DEADLINE=y +CONFIG_IOSCHED_CFQ=y +# CONFIG_DEFAULT_AS is not set +# CONFIG_DEFAULT_DEADLINE is not set +CONFIG_DEFAULT_CFQ=y +# CONFIG_DEFAULT_NOOP is not set +CONFIG_DEFAULT_IOSCHED="cfq" +CONFIG_FREEZER=y + +# +# Bus options (PCI, PCMCIA, EISA, ISA, TC) +# +CONFIG_HW_HAS_PCI=y +CONFIG_PCI=y +CONFIG_PCI_DOMAINS=y +# CONFIG_ARCH_SUPPORTS_MSI is not set +CONFIG_PCI_LEGACY=y +# CONFIG_PCI_STUB is not set +# CONFIG_PCI_IOV is not set +CONFIG_ISA=y +CONFIG_MMU=y +# CONFIG_PCCARD is not set +# CONFIG_HOTPLUG_PCI is not set + +# +# Executable file formats +# +CONFIG_BINFMT_ELF=y +# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set +# CONFIG_HAVE_AOUT is not set +# CONFIG_BINFMT_MISC is not set +CONFIG_MIPS32_COMPAT=y +CONFIG_COMPAT=y +CONFIG_SYSVIPC_COMPAT=y +CONFIG_MIPS32_O32=y +CONFIG_MIPS32_N32=y +CONFIG_BINFMT_ELF32=y + +# +# Power management options +# +CONFIG_ARCH_HIBERNATION_POSSIBLE=y +CONFIG_ARCH_SUSPEND_POSSIBLE=y +CONFIG_PM=y +# CONFIG_PM_DEBUG is not set +CONFIG_PM_SLEEP=y +CONFIG_SUSPEND=y +CONFIG_SUSPEND_FREEZER=y +CONFIG_HIBERNATION_NVS=y +CONFIG_HIBERNATION=y +CONFIG_PM_STD_PARTITION="/dev/hda3" +# CONFIG_PM_RUNTIME is not set +CONFIG_NET=y +CONFIG_COMPAT_NETLINK_MESSAGES=y + +# +# Networking options +# +CONFIG_PACKET=y +CONFIG_PACKET_MMAP=y +CONFIG_UNIX=y +CONFIG_XFRM=y +# CONFIG_XFRM_USER is not set +# CONFIG_XFRM_SUB_POLICY is not set +# CONFIG_XFRM_MIGRATE is not set +# CONFIG_XFRM_STATISTICS is not set +# CONFIG_NET_KEY is not set +CONFIG_INET=y +CONFIG_IP_MULTICAST=y +CONFIG_IP_ADVANCED_ROUTER=y +CONFIG_ASK_IP_FIB_HASH=y +# CONFIG_IP_FIB_TRIE is not set +CONFIG_IP_FIB_HASH=y +CONFIG_IP_MULTIPLE_TABLES=y +CONFIG_IP_ROUTE_MULTIPATH=y +CONFIG_IP_ROUTE_VERBOSE=y +# CONFIG_IP_PNP is not set +# CONFIG_NET_IPIP is not set +# CONFIG_NET_IPGRE is not set +CONFIG_IP_MROUTE=y +CONFIG_IP_PIMSM_V1=y +CONFIG_IP_PIMSM_V2=y +# CONFIG_ARPD is not set +CONFIG_SYN_COOKIES=y +# CONFIG_INET_AH is not set +# CONFIG_INET_ESP is not set +# CONFIG_INET_IPCOMP is not set +# CONFIG_INET_XFRM_TUNNEL is not set +CONFIG_INET_TUNNEL=m +CONFIG_INET_XFRM_MODE_TRANSPORT=m +CONFIG_INET_XFRM_MODE_TUNNEL=m +CONFIG_INET_XFRM_MODE_BEET=m +CONFIG_INET_LRO=y +CONFIG_INET_DIAG=y +CONFIG_INET_TCP_DIAG=y +CONFIG_TCP_CONG_ADVANCED=y +CONFIG_TCP_CONG_BIC=y +CONFIG_TCP_CONG_CUBIC=y +CONFIG_TCP_CONG_WESTWOOD=m +CONFIG_TCP_CONG_HTCP=m +# CONFIG_TCP_CONG_HSTCP is not set +# CONFIG_TCP_CONG_HYBLA is not set +# CONFIG_TCP_CONG_VEGAS is not set +# CONFIG_TCP_CONG_SCALABLE is not set +# CONFIG_TCP_CONG_LP is not set +# CONFIG_TCP_CONG_VENO is not set +# CONFIG_TCP_CONG_YEAH is not set +# CONFIG_TCP_CONG_ILLINOIS is not set +CONFIG_DEFAULT_BIC=y +# CONFIG_DEFAULT_CUBIC is not set +# CONFIG_DEFAULT_HTCP is not set +# CONFIG_DEFAULT_VEGAS is not set +# CONFIG_DEFAULT_WESTWOOD is not set +# CONFIG_DEFAULT_RENO is not set +CONFIG_DEFAULT_TCP_CONG="bic" +# CONFIG_TCP_MD5SIG is not set +CONFIG_IPV6=m +CONFIG_IPV6_PRIVACY=y +# CONFIG_IPV6_ROUTER_PREF is not set +# CONFIG_IPV6_OPTIMISTIC_DAD is not set +# CONFIG_INET6_AH is not set +# CONFIG_INET6_ESP is not set +# CONFIG_INET6_IPCOMP is not set +# CONFIG_IPV6_MIP6 is not set +# CONFIG_INET6_XFRM_TUNNEL is not set +# CONFIG_INET6_TUNNEL is not set +CONFIG_INET6_XFRM_MODE_TRANSPORT=m +CONFIG_INET6_XFRM_MODE_TUNNEL=m +CONFIG_INET6_XFRM_MODE_BEET=m +# CONFIG_INET6_XFRM_MODE_ROUTEOPTIMIZATION is not set +CONFIG_IPV6_SIT=m +CONFIG_IPV6_NDISC_NODETYPE=y +# CONFIG_IPV6_TUNNEL is not set +# CONFIG_IPV6_MULTIPLE_TABLES is not set +# CONFIG_IPV6_MROUTE is not set +CONFIG_NETWORK_SECMARK=y +CONFIG_NETFILTER=y +# CONFIG_NETFILTER_DEBUG is not set +CONFIG_NETFILTER_ADVANCED=y + +# +# Core Netfilter Configuration +# +# CONFIG_NETFILTER_NETLINK_QUEUE is not set +# CONFIG_NETFILTER_NETLINK_LOG is not set +# CONFIG_NF_CONNTRACK is not set +# CONFIG_NETFILTER_XTABLES is not set +# CONFIG_IP_VS is not set + +# +# IP: Netfilter Configuration +# +# CONFIG_NF_DEFRAG_IPV4 is not set +# CONFIG_IP_NF_QUEUE is not set +# CONFIG_IP_NF_IPTABLES is not set +# CONFIG_IP_NF_ARPTABLES is not set + +# +# IPv6: Netfilter Configuration +# +# CONFIG_IP6_NF_QUEUE is not set +# CONFIG_IP6_NF_IPTABLES is not set +# CONFIG_IP_DCCP is not set +# CONFIG_IP_SCTP is not set +# CONFIG_RDS is not set +# CONFIG_TIPC is not set +# CONFIG_ATM is not set +# CONFIG_BRIDGE is not set +# CONFIG_NET_DSA is not set +# CONFIG_VLAN_8021Q is not set +# CONFIG_DECNET is not set +# CONFIG_LLC2 is not set +# CONFIG_IPX is not set +# CONFIG_ATALK is not set +# CONFIG_X25 is not set +# CONFIG_LAPB is not set +# CONFIG_ECONET is not set +# CONFIG_WAN_ROUTER is not set +# CONFIG_PHONET is not set +# CONFIG_IEEE802154 is not set +CONFIG_NET_SCHED=y + +# +# Queueing/Scheduling +# +# CONFIG_NET_SCH_CBQ is not set +# CONFIG_NET_SCH_HTB is not set +# CONFIG_NET_SCH_HFSC is not set +# CONFIG_NET_SCH_PRIO is not set +# CONFIG_NET_SCH_MULTIQ is not set +# CONFIG_NET_SCH_RED is not set +# CONFIG_NET_SCH_SFQ is not set +# CONFIG_NET_SCH_TEQL is not set +# CONFIG_NET_SCH_TBF is not set +# CONFIG_NET_SCH_GRED is not set +# CONFIG_NET_SCH_DSMARK is not set +# CONFIG_NET_SCH_NETEM is not set +# CONFIG_NET_SCH_DRR is not set +# CONFIG_NET_SCH_INGRESS is not set + +# +# Classification +# +CONFIG_NET_CLS=y +# CONFIG_NET_CLS_BASIC is not set +# CONFIG_NET_CLS_TCINDEX is not set +# CONFIG_NET_CLS_ROUTE4 is not set +# CONFIG_NET_CLS_FW is not set +# CONFIG_NET_CLS_U32 is not set +# CONFIG_NET_CLS_RSVP is not set +# CONFIG_NET_CLS_RSVP6 is not set +# CONFIG_NET_CLS_FLOW is not set +CONFIG_NET_EMATCH=y +CONFIG_NET_EMATCH_STACK=32 +# CONFIG_NET_EMATCH_CMP is not set +# CONFIG_NET_EMATCH_NBYTE is not set +# CONFIG_NET_EMATCH_U32 is not set +# CONFIG_NET_EMATCH_META is not set +# CONFIG_NET_EMATCH_TEXT is not set +CONFIG_NET_CLS_ACT=y +# CONFIG_NET_ACT_POLICE is not set +# CONFIG_NET_ACT_GACT is not set +# CONFIG_NET_ACT_MIRRED is not set +# CONFIG_NET_ACT_NAT is not set +# CONFIG_NET_ACT_PEDIT is not set +# CONFIG_NET_ACT_SIMP is not set +# CONFIG_NET_ACT_SKBEDIT is not set +CONFIG_NET_SCH_FIFO=y +# CONFIG_DCB is not set + +# +# Network testing +# +# CONFIG_NET_PKTGEN is not set +# CONFIG_HAMRADIO is not set +# CONFIG_CAN is not set +# CONFIG_IRDA is not set +# CONFIG_BT is not set +# CONFIG_AF_RXRPC is not set +CONFIG_FIB_RULES=y +CONFIG_WIRELESS=y +# CONFIG_CFG80211 is not set +CONFIG_CFG80211_DEFAULT_PS_VALUE=0 +# CONFIG_WIRELESS_OLD_REGULATORY is not set +CONFIG_WIRELESS_EXT=y +CONFIG_WIRELESS_EXT_SYSFS=y +# CONFIG_LIB80211 is not set + +# +# CFG80211 needs to be enabled for MAC80211 +# +# CONFIG_WIMAX is not set +CONFIG_RFKILL=m +# CONFIG_RFKILL_INPUT is not set +# CONFIG_NET_9P is not set + +# +# Device Drivers +# + +# +# Generic Driver Options +# +CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" +# CONFIG_DEVTMPFS is not set +CONFIG_STANDALONE=y +CONFIG_PREVENT_FIRMWARE_BUILD=y +CONFIG_FW_LOADER=y +CONFIG_FIRMWARE_IN_KERNEL=y +CONFIG_EXTRA_FIRMWARE="" +# CONFIG_SYS_HYPERVISOR is not set +# CONFIG_CONNECTOR is not set +# CONFIG_MTD is not set +# CONFIG_PARPORT is not set +# CONFIG_PNP is not set +CONFIG_BLK_DEV=y +# CONFIG_BLK_CPQ_DA is not set +# CONFIG_BLK_CPQ_CISS_DA is not set +# CONFIG_BLK_DEV_DAC960 is not set +# CONFIG_BLK_DEV_UMEM is not set +# CONFIG_BLK_DEV_COW_COMMON is not set +CONFIG_BLK_DEV_LOOP=y +CONFIG_BLK_DEV_CRYPTOLOOP=y +# CONFIG_BLK_DEV_NBD is not set +# CONFIG_BLK_DEV_SX8 is not set +# CONFIG_BLK_DEV_UB is not set +CONFIG_BLK_DEV_RAM=y +CONFIG_BLK_DEV_RAM_COUNT=16 +CONFIG_BLK_DEV_RAM_SIZE=8192 +# CONFIG_BLK_DEV_XIP is not set +# CONFIG_CDROM_PKTCDVD is not set +# CONFIG_ATA_OVER_ETH is not set +# CONFIG_BLK_DEV_HD is not set +CONFIG_MISC_DEVICES=y +# CONFIG_PHANTOM is not set +# CONFIG_SGI_IOC4 is not set +# CONFIG_TIFM_CORE is not set +# CONFIG_ENCLOSURE_SERVICES is not set +# CONFIG_HP_ILO is not set +# CONFIG_C2PORT is not set + +# +# EEPROM support +# +# CONFIG_EEPROM_93CX6 is not set +# CONFIG_CB710_CORE is not set +CONFIG_HAVE_IDE=y +CONFIG_IDE=y + +# +# Please see Documentation/ide/ide.txt for help/info on IDE drives +# +CONFIG_IDE_XFER_MODE=y +CONFIG_IDE_TIMINGS=y +# CONFIG_BLK_DEV_IDE_SATA is not set +CONFIG_IDE_GD=y +CONFIG_IDE_GD_ATA=y +# CONFIG_IDE_GD_ATAPI is not set +# CONFIG_BLK_DEV_IDECD is not set +# CONFIG_BLK_DEV_IDETAPE is not set +CONFIG_IDE_TASK_IOCTL=y +CONFIG_IDE_PROC_FS=y + +# +# IDE chipset support/bugfixes +# +# CONFIG_IDE_GENERIC is not set +# CONFIG_BLK_DEV_PLATFORM is not set +CONFIG_BLK_DEV_IDEDMA_SFF=y + +# +# PCI IDE chipsets support +# +CONFIG_BLK_DEV_IDEPCI=y +# CONFIG_IDEPCI_PCIBUS_ORDER is not set +# CONFIG_BLK_DEV_OFFBOARD is not set +CONFIG_BLK_DEV_GENERIC=y +# CONFIG_BLK_DEV_OPTI621 is not set +CONFIG_BLK_DEV_IDEDMA_PCI=y +# CONFIG_BLK_DEV_AEC62XX is not set +# CONFIG_BLK_DEV_ALI15X3 is not set +CONFIG_BLK_DEV_AMD74XX=y +# CONFIG_BLK_DEV_CMD64X is not set +# CONFIG_BLK_DEV_TRIFLEX is not set +# CONFIG_BLK_DEV_CS5520 is not set +# CONFIG_BLK_DEV_CS5530 is not set +# CONFIG_BLK_DEV_HPT366 is not set +# CONFIG_BLK_DEV_JMICRON is not set +# CONFIG_BLK_DEV_SC1200 is not set +# CONFIG_BLK_DEV_PIIX is not set +# CONFIG_BLK_DEV_IT8172 is not set +# CONFIG_BLK_DEV_IT8213 is not set +# CONFIG_BLK_DEV_IT821X is not set +# CONFIG_BLK_DEV_NS87415 is not set +# CONFIG_BLK_DEV_PDC202XX_OLD is not set +# CONFIG_BLK_DEV_PDC202XX_NEW is not set +# CONFIG_BLK_DEV_SVWKS is not set +# CONFIG_BLK_DEV_SIIMAGE is not set +# CONFIG_BLK_DEV_SLC90E66 is not set +# CONFIG_BLK_DEV_TRM290 is not set +# CONFIG_BLK_DEV_VIA82CXXX is not set +# CONFIG_BLK_DEV_TC86C001 is not set + +# +# Other IDE chipsets support +# + +# +# Note: most of these also require special kernel boot parameters +# +# CONFIG_BLK_DEV_4DRIVES is not set +# CONFIG_BLK_DEV_ALI14XX is not set +# CONFIG_BLK_DEV_DTC2278 is not set +# CONFIG_BLK_DEV_HT6560B is not set +# CONFIG_BLK_DEV_QD65XX is not set +# CONFIG_BLK_DEV_UMC8672 is not set +CONFIG_BLK_DEV_IDEDMA=y + +# +# SCSI device support +# +# CONFIG_RAID_ATTRS is not set +CONFIG_SCSI=m +CONFIG_SCSI_DMA=y +# CONFIG_SCSI_TGT is not set +# CONFIG_SCSI_NETLINK is not set +CONFIG_SCSI_PROC_FS=y + +# +# SCSI support type (disk, tape, CD-ROM) +# +CONFIG_BLK_DEV_SD=m +# CONFIG_CHR_DEV_ST is not set +# CONFIG_CHR_DEV_OSST is not set +# CONFIG_BLK_DEV_SR is not set +CONFIG_CHR_DEV_SG=m +# CONFIG_CHR_DEV_SCH is not set +CONFIG_SCSI_MULTI_LUN=y +# CONFIG_SCSI_CONSTANTS is not set +# CONFIG_SCSI_LOGGING is not set +# CONFIG_SCSI_SCAN_ASYNC is not set +CONFIG_SCSI_WAIT_SCAN=m + +# +# SCSI Transports +# +# CONFIG_SCSI_SPI_ATTRS is not set +# CONFIG_SCSI_FC_ATTRS is not set +# CONFIG_SCSI_ISCSI_ATTRS is not set +# CONFIG_SCSI_SAS_ATTRS is not set +# CONFIG_SCSI_SAS_LIBSAS is not set +# CONFIG_SCSI_SRP_ATTRS is not set +# CONFIG_SCSI_LOWLEVEL is not set +# CONFIG_SCSI_DH is not set +# CONFIG_SCSI_OSD_INITIATOR is not set +# CONFIG_ATA is not set +# CONFIG_MD is not set +# CONFIG_FUSION is not set + +# +# IEEE 1394 (FireWire) support +# + +# +# You can enable one or both FireWire driver stacks. +# + +# +# See the help texts for more information. +# +# CONFIG_FIREWIRE is not set +# CONFIG_IEEE1394 is not set +# CONFIG_I2O is not set +CONFIG_NETDEVICES=y +# CONFIG_IFB is not set +# CONFIG_DUMMY is not set +# CONFIG_BONDING is not set +# CONFIG_MACVLAN is not set +# CONFIG_EQUALIZER is not set +# CONFIG_TUN is not set +# CONFIG_VETH is not set +# CONFIG_ARCNET is not set +# CONFIG_PHYLIB is not set +CONFIG_NET_ETHERNET=y +CONFIG_MII=y +# CONFIG_AX88796 is not set +# CONFIG_HAPPYMEAL is not set +# CONFIG_SUNGEM is not set +# CONFIG_CASSINI is not set +# CONFIG_NET_VENDOR_3COM is not set +# CONFIG_NET_VENDOR_SMC is not set +# CONFIG_SMC91X is not set +# CONFIG_DM9000 is not set +# CONFIG_ETHOC is not set +# CONFIG_NET_VENDOR_RACAL is not set +# CONFIG_DNET is not set +# CONFIG_NET_TULIP is not set +# CONFIG_AT1700 is not set +# CONFIG_DEPCA is not set +# CONFIG_HP100 is not set +# CONFIG_NET_ISA is not set +# CONFIG_IBM_NEW_EMAC_ZMII is not set +# CONFIG_IBM_NEW_EMAC_RGMII is not set +# CONFIG_IBM_NEW_EMAC_TAH is not set +# CONFIG_IBM_NEW_EMAC_EMAC4 is not set +# CONFIG_IBM_NEW_EMAC_NO_FLOW_CTRL is not set +# CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set +# CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set +CONFIG_NET_PCI=y +# CONFIG_PCNET32 is not set +# CONFIG_AMD8111_ETH is not set +# CONFIG_ADAPTEC_STARFIRE is not set +# CONFIG_AC3200 is not set +# CONFIG_APRICOT is not set +# CONFIG_B44 is not set +# CONFIG_FORCEDETH is not set +# CONFIG_CS89x0 is not set +# CONFIG_TC35815 is not set +# CONFIG_E100 is not set +# CONFIG_FEALNX is not set +# CONFIG_NATSEMI is not set +# CONFIG_NE2K_PCI is not set +# CONFIG_8139CP is not set +CONFIG_8139TOO=y +# CONFIG_8139TOO_PIO is not set +CONFIG_8139TOO_TUNE_TWISTER=y +# CONFIG_8139TOO_8129 is not set +# CONFIG_8139_OLD_RX_RESET is not set +# CONFIG_R6040 is not set +# CONFIG_SIS900 is not set +# CONFIG_EPIC100 is not set +# CONFIG_SMSC9420 is not set +# CONFIG_SUNDANCE is not set +# CONFIG_TLAN is not set +# CONFIG_KS8842 is not set +# CONFIG_KS8851_MLL is not set +# CONFIG_VIA_RHINE is not set +# CONFIG_SC92031 is not set +# CONFIG_ATL2 is not set +CONFIG_NETDEV_1000=y +# CONFIG_ACENIC is not set +# CONFIG_DL2K is not set +# CONFIG_E1000 is not set +# CONFIG_E1000E is not set +# CONFIG_IP1000 is not set +# CONFIG_IGB is not set +# CONFIG_IGBVF is not set +# CONFIG_NS83820 is not set +# CONFIG_HAMACHI is not set +# CONFIG_YELLOWFIN is not set +CONFIG_R8169=y +# CONFIG_SIS190 is not set +# CONFIG_SKGE is not set +# CONFIG_SKY2 is not set +# CONFIG_VIA_VELOCITY is not set +# CONFIG_TIGON3 is not set +# CONFIG_BNX2 is not set +# CONFIG_CNIC is not set +# CONFIG_QLA3XXX is not set +# CONFIG_ATL1 is not set +# CONFIG_ATL1E is not set +# CONFIG_ATL1C is not set +# CONFIG_JME is not set +# CONFIG_NETDEV_10000 is not set +# CONFIG_TR is not set +CONFIG_WLAN=y +CONFIG_WLAN_PRE80211=y +# CONFIG_STRIP is not set +# CONFIG_WAVELAN is not set +CONFIG_WLAN_80211=y +# CONFIG_LIBERTAS is not set +# CONFIG_ATMEL is not set +# CONFIG_PRISM54 is not set +# CONFIG_USB_ZD1201 is not set +# CONFIG_HOSTAP is not set + +# +# Enable WiMAX (Networking options) to see the WiMAX drivers +# + +# +# USB Network Adapters +# +# CONFIG_USB_CATC is not set +# CONFIG_USB_KAWETH is not set +# CONFIG_USB_PEGASUS is not set +# CONFIG_USB_RTL8150 is not set +# CONFIG_USB_USBNET is not set +# CONFIG_USB_HSO is not set +# CONFIG_WAN is not set +# CONFIG_FDDI is not set +# CONFIG_HIPPI is not set +# CONFIG_PPP is not set +# CONFIG_SLIP is not set +# CONFIG_NET_FC is not set +# CONFIG_NETCONSOLE is not set +# CONFIG_NETPOLL is not set +# CONFIG_NET_POLL_CONTROLLER is not set +# CONFIG_ISDN is not set +# CONFIG_PHONE is not set + +# +# Input device support +# +CONFIG_INPUT=y +# CONFIG_INPUT_FF_MEMLESS is not set +# CONFIG_INPUT_POLLDEV is not set + +# +# Userland interfaces +# +CONFIG_INPUT_MOUSEDEV=y +CONFIG_INPUT_MOUSEDEV_PSAUX=y +CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024 +CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768 +# CONFIG_INPUT_JOYDEV is not set +CONFIG_INPUT_EVDEV=y +# CONFIG_INPUT_EVBUG is not set + +# +# Input Device Drivers +# +CONFIG_INPUT_KEYBOARD=y +CONFIG_KEYBOARD_ATKBD=y +# CONFIG_KEYBOARD_LKKBD is not set +# CONFIG_KEYBOARD_NEWTON is not set +# CONFIG_KEYBOARD_OPENCORES is not set +# CONFIG_KEYBOARD_STOWAWAY is not set +# CONFIG_KEYBOARD_SUNKBD is not set +# CONFIG_KEYBOARD_XTKBD is not set +CONFIG_INPUT_MOUSE=y +CONFIG_MOUSE_PS2=y +# CONFIG_MOUSE_PS2_ALPS is not set +# CONFIG_MOUSE_PS2_LOGIPS2PP is not set +CONFIG_MOUSE_PS2_SYNAPTICS=y +# CONFIG_MOUSE_PS2_TRACKPOINT is not set +# CONFIG_MOUSE_PS2_ELANTECH is not set +# CONFIG_MOUSE_PS2_SENTELIC is not set +# CONFIG_MOUSE_PS2_TOUCHKIT is not set +# CONFIG_MOUSE_SERIAL is not set +# CONFIG_MOUSE_APPLETOUCH is not set +# CONFIG_MOUSE_BCM5974 is not set +# CONFIG_MOUSE_INPORT is not set +# CONFIG_MOUSE_LOGIBM is not set +# CONFIG_MOUSE_PC110PAD is not set +# CONFIG_MOUSE_VSXXXAA is not set +# CONFIG_INPUT_JOYSTICK is not set +# CONFIG_INPUT_TABLET is not set +# CONFIG_INPUT_TOUCHSCREEN is not set +# CONFIG_INPUT_MISC is not set + +# +# Hardware I/O ports +# +CONFIG_SERIO=y +CONFIG_SERIO_I8042=y +# CONFIG_SERIO_SERPORT is not set +# CONFIG_SERIO_PCIPS2 is not set +CONFIG_SERIO_LIBPS2=y +# CONFIG_SERIO_RAW is not set +# CONFIG_GAMEPORT is not set + +# +# Character devices +# +CONFIG_VT=y +CONFIG_CONSOLE_TRANSLATIONS=y +CONFIG_VT_CONSOLE=y +CONFIG_HW_CONSOLE=y +# CONFIG_VT_HW_CONSOLE_BINDING is not set +CONFIG_DEVKMEM=y +CONFIG_SERIAL_NONSTANDARD=y +# CONFIG_COMPUTONE is not set +# CONFIG_ROCKETPORT is not set +# CONFIG_CYCLADES is not set +# CONFIG_DIGIEPCA is not set +# CONFIG_MOXA_INTELLIO is not set +# CONFIG_MOXA_SMARTIO is not set +# CONFIG_ISI is not set +# CONFIG_SYNCLINKMP is not set +# CONFIG_SYNCLINK_GT is not set +# CONFIG_N_HDLC is not set +# CONFIG_RISCOM8 is not set +# CONFIG_SPECIALIX is not set +# CONFIG_STALDRV is not set +# CONFIG_NOZOMI is not set + +# +# Serial drivers +# +CONFIG_SERIAL_8250=y +CONFIG_SERIAL_8250_CONSOLE=y +# CONFIG_SERIAL_8250_PCI is not set +CONFIG_SERIAL_8250_NR_UARTS=16 +CONFIG_SERIAL_8250_RUNTIME_UARTS=4 +CONFIG_SERIAL_8250_EXTENDED=y +CONFIG_SERIAL_8250_MANY_PORTS=y +CONFIG_SERIAL_8250_FOURPORT=y +# CONFIG_SERIAL_8250_ACCENT is not set +# CONFIG_SERIAL_8250_BOCA is not set +# CONFIG_SERIAL_8250_EXAR_ST16C554 is not set +# CONFIG_SERIAL_8250_HUB6 is not set +# CONFIG_SERIAL_8250_SHARE_IRQ is not set +# CONFIG_SERIAL_8250_DETECT_IRQ is not set +# CONFIG_SERIAL_8250_RSA is not set + +# +# Non-8250 serial port support +# +CONFIG_SERIAL_CORE=y +CONFIG_SERIAL_CORE_CONSOLE=y +# CONFIG_SERIAL_JSM is not set +CONFIG_UNIX98_PTYS=y +# CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set +CONFIG_LEGACY_PTYS=y +CONFIG_LEGACY_PTY_COUNT=16 +# CONFIG_IPMI_HANDLER is not set +CONFIG_HW_RANDOM=y +# CONFIG_HW_RANDOM_TIMERIOMEM is not set +CONFIG_RTC=y +# CONFIG_DTLK is not set +# CONFIG_R3964 is not set +# CONFIG_APPLICOM is not set +# CONFIG_RAW_DRIVER is not set +# CONFIG_TCG_TPM is not set +CONFIG_DEVPORT=y +# CONFIG_I2C is not set +# CONFIG_SPI is not set + +# +# PPS support +# +# CONFIG_PPS is not set +# CONFIG_W1 is not set +# CONFIG_POWER_SUPPLY is not set +CONFIG_HWMON=y +# CONFIG_HWMON_VID is not set +# CONFIG_HWMON_DEBUG_CHIP is not set + +# +# Native drivers +# +# CONFIG_SENSORS_I5K_AMB is not set +# CONFIG_SENSORS_F71805F is not set +# CONFIG_SENSORS_F71882FG is not set +# CONFIG_SENSORS_IT87 is not set +# CONFIG_SENSORS_PC87360 is not set +# CONFIG_SENSORS_PC87427 is not set +# CONFIG_SENSORS_SIS5595 is not set +# CONFIG_SENSORS_SMSC47M1 is not set +# CONFIG_SENSORS_SMSC47B397 is not set +# CONFIG_SENSORS_VIA686A is not set +# CONFIG_SENSORS_VT1211 is not set +# CONFIG_SENSORS_VT8231 is not set +# CONFIG_SENSORS_W83627HF is not set +# CONFIG_SENSORS_W83627EHF is not set +CONFIG_THERMAL=y +# CONFIG_THERMAL_HWMON is not set +# CONFIG_WATCHDOG is not set +CONFIG_SSB_POSSIBLE=y + +# +# Sonics Silicon Backplane +# +# CONFIG_SSB is not set + +# +# Multifunction device drivers +# +# CONFIG_MFD_CORE is not set +# CONFIG_MFD_SM501 is not set +# CONFIG_HTC_PASIC3 is not set +# CONFIG_MFD_TMIO is not set +# CONFIG_REGULATOR is not set +CONFIG_MEDIA_SUPPORT=m + +# +# Multimedia core support +# +CONFIG_VIDEO_DEV=m +CONFIG_VIDEO_V4L2_COMMON=m +CONFIG_VIDEO_ALLOW_V4L1=y +CONFIG_VIDEO_V4L1_COMPAT=y +# CONFIG_DVB_CORE is not set +CONFIG_VIDEO_MEDIA=m + +# +# Multimedia drivers +# +# CONFIG_MEDIA_ATTACH is not set +CONFIG_VIDEO_V4L2=m +CONFIG_VIDEO_V4L1=m +CONFIG_VIDEO_CAPTURE_DRIVERS=y +# CONFIG_VIDEO_ADV_DEBUG is not set +# CONFIG_VIDEO_FIXED_MINOR_RANGES is not set +CONFIG_VIDEO_HELPER_CHIPS_AUTO=y +# CONFIG_VIDEO_VIVI is not set +# CONFIG_VIDEO_PMS is not set +# CONFIG_VIDEO_CPIA is not set +# CONFIG_VIDEO_CPIA2 is not set +# CONFIG_VIDEO_STRADIS is not set +CONFIG_V4L_USB_DRIVERS=y +CONFIG_USB_VIDEO_CLASS=m +CONFIG_USB_VIDEO_CLASS_INPUT_EVDEV=y +CONFIG_USB_GSPCA=m +# CONFIG_USB_M5602 is not set +# CONFIG_USB_STV06XX is not set +# CONFIG_USB_GL860 is not set +# CONFIG_USB_GSPCA_CONEX is not set +# CONFIG_USB_GSPCA_ETOMS is not set +# CONFIG_USB_GSPCA_FINEPIX is not set +# CONFIG_USB_GSPCA_JEILINJ is not set +# CONFIG_USB_GSPCA_MARS is not set +# CONFIG_USB_GSPCA_MR97310A is not set +# CONFIG_USB_GSPCA_OV519 is not set +# CONFIG_USB_GSPCA_OV534 is not set +# CONFIG_USB_GSPCA_PAC207 is not set +# CONFIG_USB_GSPCA_PAC7311 is not set +# CONFIG_USB_GSPCA_SN9C20X is not set +# CONFIG_USB_GSPCA_SONIXB is not set +# CONFIG_USB_GSPCA_SONIXJ is not set +# CONFIG_USB_GSPCA_SPCA500 is not set +# CONFIG_USB_GSPCA_SPCA501 is not set +# CONFIG_USB_GSPCA_SPCA505 is not set +# CONFIG_USB_GSPCA_SPCA506 is not set +# CONFIG_USB_GSPCA_SPCA508 is not set +# CONFIG_USB_GSPCA_SPCA561 is not set +# CONFIG_USB_GSPCA_SQ905 is not set +# CONFIG_USB_GSPCA_SQ905C is not set +# CONFIG_USB_GSPCA_STK014 is not set +# CONFIG_USB_GSPCA_SUNPLUS is not set +# CONFIG_USB_GSPCA_T613 is not set +# CONFIG_USB_GSPCA_TV8532 is not set +# CONFIG_USB_GSPCA_VC032X is not set +# CONFIG_USB_GSPCA_ZC3XX is not set +# CONFIG_VIDEO_HDPVR is not set +# CONFIG_USB_VICAM is not set +# CONFIG_USB_IBMCAM is not set +# CONFIG_USB_KONICAWC is not set +# CONFIG_USB_QUICKCAM_MESSENGER is not set +# CONFIG_USB_ET61X251 is not set +# CONFIG_USB_OV511 is not set +# CONFIG_USB_SE401 is not set +# CONFIG_USB_SN9C102 is not set +# CONFIG_USB_STV680 is not set +# CONFIG_USB_ZC0301 is not set +# CONFIG_USB_PWC is not set +CONFIG_USB_PWC_INPUT_EVDEV=y +# CONFIG_USB_ZR364XX is not set +# CONFIG_USB_STKWEBCAM is not set +# CONFIG_USB_S2255 is not set +# CONFIG_RADIO_ADAPTERS is not set +# CONFIG_DAB is not set + +# +# Graphics support +# +CONFIG_VGA_ARB=y +# CONFIG_DRM is not set +# CONFIG_VGASTATE is not set +CONFIG_VIDEO_OUTPUT_CONTROL=y +CONFIG_FB=y +CONFIG_FIRMWARE_EDID=y +# CONFIG_FB_DDC is not set +CONFIG_FB_BOOT_VESA_SUPPORT=y +CONFIG_FB_CFB_FILLRECT=y +CONFIG_FB_CFB_COPYAREA=y +CONFIG_FB_CFB_IMAGEBLIT=y +# CONFIG_FB_CFB_REV_PIXELS_IN_BYTE is not set +# CONFIG_FB_SYS_FILLRECT is not set +# CONFIG_FB_SYS_COPYAREA is not set +# CONFIG_FB_SYS_IMAGEBLIT is not set +# CONFIG_FB_FOREIGN_ENDIAN is not set +# CONFIG_FB_SYS_FOPS is not set +# CONFIG_FB_SVGALIB is not set +# CONFIG_FB_MACMODES is not set +# CONFIG_FB_BACKLIGHT is not set +CONFIG_FB_MODE_HELPERS=y +CONFIG_FB_TILEBLITTING=y + +# +# Frame buffer hardware drivers +# +# CONFIG_FB_CIRRUS is not set +# CONFIG_FB_PM2 is not set +# CONFIG_FB_CYBER2000 is not set +# CONFIG_FB_ASILIANT is not set +# CONFIG_FB_IMSTT is not set +# CONFIG_FB_S1D13XXX is not set +# CONFIG_FB_NVIDIA is not set +# CONFIG_FB_RIVA is not set +# CONFIG_FB_MATROX is not set +# CONFIG_FB_RADEON is not set +# CONFIG_FB_ATY128 is not set +# CONFIG_FB_ATY is not set +# CONFIG_FB_S3 is not set +# CONFIG_FB_SAVAGE is not set +CONFIG_FB_SIS=y +CONFIG_FB_SIS_300=y +CONFIG_FB_SIS_315=y +# CONFIG_FB_VIA is not set +# CONFIG_FB_NEOMAGIC is not set +# CONFIG_FB_KYRO is not set +# CONFIG_FB_3DFX is not set +# CONFIG_FB_VOODOO1 is not set +# CONFIG_FB_VT8623 is not set +# CONFIG_FB_TRIDENT is not set +# CONFIG_FB_ARK is not set +# CONFIG_FB_PM3 is not set +# CONFIG_FB_CARMINE is not set +# CONFIG_FB_VIRTUAL is not set +# CONFIG_FB_METRONOME is not set +# CONFIG_FB_MB862XX is not set +# CONFIG_FB_BROADSHEET is not set +CONFIG_BACKLIGHT_LCD_SUPPORT=y +# CONFIG_LCD_CLASS_DEVICE is not set +CONFIG_BACKLIGHT_CLASS_DEVICE=y +CONFIG_BACKLIGHT_GENERIC=y + +# +# Display device support +# +# CONFIG_DISPLAY_SUPPORT is not set + +# +# Console display driver support +# +# CONFIG_VGA_CONSOLE is not set +# CONFIG_MDA_CONSOLE is not set +CONFIG_DUMMY_CONSOLE=y +CONFIG_FRAMEBUFFER_CONSOLE=y +# CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY is not set +CONFIG_FRAMEBUFFER_CONSOLE_ROTATION=y +CONFIG_FONTS=y +CONFIG_FONT_8x8=y +CONFIG_FONT_8x16=y +CONFIG_FONT_6x11=y +CONFIG_FONT_7x14=y +CONFIG_FONT_PEARL_8x8=y +CONFIG_FONT_ACORN_8x8=y +CONFIG_FONT_MINI_4x6=y +CONFIG_FONT_SUN8x16=y +CONFIG_FONT_SUN12x22=y +CONFIG_FONT_10x18=y +CONFIG_LOGO=y +# CONFIG_LOGO_LINUX_MONO is not set +# CONFIG_LOGO_LINUX_VGA16 is not set +CONFIG_LOGO_LINUX_CLUT224=y +CONFIG_SOUND=m +# CONFIG_SOUND_OSS_CORE is not set +CONFIG_SND=m +CONFIG_SND_TIMER=m +CONFIG_SND_PCM=m +# CONFIG_SND_SEQUENCER is not set +# CONFIG_SND_MIXER_OSS is not set +# CONFIG_SND_PCM_OSS is not set +# CONFIG_SND_HRTIMER is not set +# CONFIG_SND_RTCTIMER is not set +# CONFIG_SND_DYNAMIC_MINORS is not set +# CONFIG_SND_SUPPORT_OLD_API is not set +# CONFIG_SND_VERBOSE_PROCFS is not set +# CONFIG_SND_VERBOSE_PRINTK is not set +# CONFIG_SND_DEBUG is not set +CONFIG_SND_VMASTER=y +# CONFIG_SND_RAWMIDI_SEQ is not set +# CONFIG_SND_OPL3_LIB_SEQ is not set +# CONFIG_SND_OPL4_LIB_SEQ is not set +# CONFIG_SND_SBAWE_SEQ is not set +# CONFIG_SND_EMU10K1_SEQ is not set +CONFIG_SND_AC97_CODEC=m +# CONFIG_SND_DRIVERS is not set +CONFIG_SND_PCI=y +# CONFIG_SND_AD1889 is not set +# CONFIG_SND_ALS300 is not set +# CONFIG_SND_ALI5451 is not set +# CONFIG_SND_ATIIXP is not set +# CONFIG_SND_ATIIXP_MODEM is not set +# CONFIG_SND_AU8810 is not set +# CONFIG_SND_AU8820 is not set +# CONFIG_SND_AU8830 is not set +# CONFIG_SND_AW2 is not set +# CONFIG_SND_AZT3328 is not set +# CONFIG_SND_BT87X is not set +# CONFIG_SND_CA0106 is not set +# CONFIG_SND_CMIPCI is not set +# CONFIG_SND_OXYGEN is not set +# CONFIG_SND_CS4281 is not set +# CONFIG_SND_CS46XX is not set +CONFIG_SND_CS5535AUDIO=m +# CONFIG_SND_CTXFI is not set +# CONFIG_SND_DARLA20 is not set +# CONFIG_SND_GINA20 is not set +# CONFIG_SND_LAYLA20 is not set +# CONFIG_SND_DARLA24 is not set +# CONFIG_SND_GINA24 is not set +# CONFIG_SND_LAYLA24 is not set +# CONFIG_SND_MONA is not set +# CONFIG_SND_MIA is not set +# CONFIG_SND_ECHO3G is not set +# CONFIG_SND_INDIGO is not set +# CONFIG_SND_INDIGOIO is not set +# CONFIG_SND_INDIGODJ is not set +# CONFIG_SND_INDIGOIOX is not set +# CONFIG_SND_INDIGODJX is not set +# CONFIG_SND_EMU10K1 is not set +# CONFIG_SND_EMU10K1X is not set +# CONFIG_SND_ENS1370 is not set +# CONFIG_SND_ENS1371 is not set +# CONFIG_SND_ES1938 is not set +# CONFIG_SND_ES1968 is not set +# CONFIG_SND_FM801 is not set +# CONFIG_SND_HDA_INTEL is not set +# CONFIG_SND_HDSP is not set +# CONFIG_SND_HDSPM is not set +# CONFIG_SND_HIFIER is not set +# CONFIG_SND_ICE1712 is not set +# CONFIG_SND_ICE1724 is not set +# CONFIG_SND_INTEL8X0 is not set +# CONFIG_SND_INTEL8X0M is not set +# CONFIG_SND_KORG1212 is not set +# CONFIG_SND_LX6464ES is not set +# CONFIG_SND_MAESTRO3 is not set +# CONFIG_SND_MIXART is not set +# CONFIG_SND_NM256 is not set +# CONFIG_SND_PCXHR is not set +# CONFIG_SND_RIPTIDE is not set +# CONFIG_SND_RME32 is not set +# CONFIG_SND_RME96 is not set +# CONFIG_SND_RME9652 is not set +# CONFIG_SND_SONICVIBES is not set +# CONFIG_SND_TRIDENT is not set +# CONFIG_SND_VIA82XX is not set +# CONFIG_SND_VIA82XX_MODEM is not set +# CONFIG_SND_VIRTUOSO is not set +# CONFIG_SND_VX222 is not set +# CONFIG_SND_YMFPCI is not set +# CONFIG_SND_MIPS is not set +# CONFIG_SND_USB is not set +# CONFIG_SND_SOC is not set +# CONFIG_SOUND_PRIME is not set +CONFIG_AC97_BUS=m +CONFIG_HID_SUPPORT=y +CONFIG_HID=y +CONFIG_HIDRAW=y + +# +# USB Input Devices +# +CONFIG_USB_HID=y +# CONFIG_HID_PID is not set +CONFIG_USB_HIDDEV=y + +# +# Special HID drivers +# +# CONFIG_HID_A4TECH is not set +# CONFIG_HID_APPLE is not set +# CONFIG_HID_BELKIN is not set +# CONFIG_HID_CHERRY is not set +# CONFIG_HID_CHICONY is not set +# CONFIG_HID_CYPRESS is not set +# CONFIG_HID_DRAGONRISE is not set +# CONFIG_HID_EZKEY is not set +# CONFIG_HID_KYE is not set +# CONFIG_HID_GYRATION is not set +# CONFIG_HID_TWINHAN is not set +# CONFIG_HID_KENSINGTON is not set +# CONFIG_HID_LOGITECH is not set +# CONFIG_HID_MICROSOFT is not set +# CONFIG_HID_MONTEREY is not set +# CONFIG_HID_NTRIG is not set +# CONFIG_HID_PANTHERLORD is not set +# CONFIG_HID_PETALYNX is not set +# CONFIG_HID_SAMSUNG is not set +# CONFIG_HID_SONY is not set +# CONFIG_HID_SUNPLUS is not set +# CONFIG_HID_GREENASIA is not set +# CONFIG_HID_SMARTJOYPLUS is not set +# CONFIG_HID_TOPSEED is not set +# CONFIG_HID_THRUSTMASTER is not set +# CONFIG_HID_ZEROPLUS is not set +CONFIG_USB_SUPPORT=y +CONFIG_USB_ARCH_HAS_HCD=y +CONFIG_USB_ARCH_HAS_OHCI=y +CONFIG_USB_ARCH_HAS_EHCI=y +CONFIG_USB=y +# CONFIG_USB_DEBUG is not set +# CONFIG_USB_ANNOUNCE_NEW_DEVICES is not set + +# +# Miscellaneous USB options +# +CONFIG_USB_DEVICEFS=y +# CONFIG_USB_DEVICE_CLASS is not set +CONFIG_USB_DYNAMIC_MINORS=y +CONFIG_USB_SUSPEND=y +# CONFIG_USB_OTG is not set +CONFIG_USB_OTG_WHITELIST=y +# CONFIG_USB_OTG_BLACKLIST_HUB is not set +CONFIG_USB_MON=y +# CONFIG_USB_WUSB is not set +# CONFIG_USB_WUSB_CBAF is not set + +# +# USB Host Controller Drivers +# +# CONFIG_USB_C67X00_HCD is not set +# CONFIG_USB_XHCI_HCD is not set +CONFIG_USB_EHCI_HCD=y +CONFIG_USB_EHCI_ROOT_HUB_TT=y +# CONFIG_USB_EHCI_TT_NEWSCHED is not set +# CONFIG_USB_OXU210HP_HCD is not set +# CONFIG_USB_ISP116X_HCD is not set +# CONFIG_USB_ISP1760_HCD is not set +# CONFIG_USB_ISP1362_HCD is not set +CONFIG_USB_OHCI_HCD=y +# CONFIG_USB_OHCI_BIG_ENDIAN_DESC is not set +# CONFIG_USB_OHCI_BIG_ENDIAN_MMIO is not set +CONFIG_USB_OHCI_LITTLE_ENDIAN=y +CONFIG_USB_UHCI_HCD=m +# CONFIG_USB_SL811_HCD is not set +# CONFIG_USB_R8A66597_HCD is not set +# CONFIG_USB_WHCI_HCD is not set +# CONFIG_USB_HWA_HCD is not set + +# +# USB Device Class drivers +# +CONFIG_USB_ACM=m +# CONFIG_USB_PRINTER is not set +CONFIG_USB_WDM=m +# CONFIG_USB_TMC is not set + +# +# NOTE: USB_STORAGE depends on SCSI but BLK_DEV_SD may +# + +# +# also be needed; see USB_STORAGE Help for more info +# +CONFIG_USB_STORAGE=m +# CONFIG_USB_STORAGE_DEBUG is not set +CONFIG_USB_STORAGE_DATAFAB=m +CONFIG_USB_STORAGE_FREECOM=m +CONFIG_USB_STORAGE_ISD200=m +CONFIG_USB_STORAGE_USBAT=m +CONFIG_USB_STORAGE_SDDR09=m +CONFIG_USB_STORAGE_SDDR55=m +CONFIG_USB_STORAGE_JUMPSHOT=m +CONFIG_USB_STORAGE_ALAUDA=m +# CONFIG_USB_STORAGE_ONETOUCH is not set +# CONFIG_USB_STORAGE_KARMA is not set +# CONFIG_USB_STORAGE_CYPRESS_ATACB is not set +# CONFIG_USB_LIBUSUAL is not set + +# +# USB Imaging devices +# +# CONFIG_USB_MDC800 is not set +# CONFIG_USB_MICROTEK is not set + +# +# USB port drivers +# +CONFIG_USB_SERIAL=m +# CONFIG_USB_EZUSB is not set +CONFIG_USB_SERIAL_GENERIC=y +# CONFIG_USB_SERIAL_AIRCABLE is not set +# CONFIG_USB_SERIAL_ARK3116 is not set +# CONFIG_USB_SERIAL_BELKIN is not set +# CONFIG_USB_SERIAL_CH341 is not set +# CONFIG_USB_SERIAL_WHITEHEAT is not set +# CONFIG_USB_SERIAL_DIGI_ACCELEPORT is not set +# CONFIG_USB_SERIAL_CP210X is not set +# CONFIG_USB_SERIAL_CYPRESS_M8 is not set +# CONFIG_USB_SERIAL_EMPEG is not set +# CONFIG_USB_SERIAL_FTDI_SIO is not set +# CONFIG_USB_SERIAL_FUNSOFT is not set +# CONFIG_USB_SERIAL_VISOR is not set +# CONFIG_USB_SERIAL_IPAQ is not set +# CONFIG_USB_SERIAL_IR is not set +# CONFIG_USB_SERIAL_EDGEPORT is not set +# CONFIG_USB_SERIAL_EDGEPORT_TI is not set +# CONFIG_USB_SERIAL_GARMIN is not set +# CONFIG_USB_SERIAL_IPW is not set +# CONFIG_USB_SERIAL_IUU is not set +# CONFIG_USB_SERIAL_KEYSPAN_PDA is not set +# CONFIG_USB_SERIAL_KEYSPAN is not set +# CONFIG_USB_SERIAL_KLSI is not set +# CONFIG_USB_SERIAL_KOBIL_SCT is not set +# CONFIG_USB_SERIAL_MCT_U232 is not set +# CONFIG_USB_SERIAL_MOS7720 is not set +# CONFIG_USB_SERIAL_MOS7840 is not set +# CONFIG_USB_SERIAL_MOTOROLA is not set +# CONFIG_USB_SERIAL_NAVMAN is not set +# CONFIG_USB_SERIAL_PL2303 is not set +# CONFIG_USB_SERIAL_OTI6858 is not set +# CONFIG_USB_SERIAL_QUALCOMM is not set +# CONFIG_USB_SERIAL_SPCP8X5 is not set +# CONFIG_USB_SERIAL_HP4X is not set +# CONFIG_USB_SERIAL_SAFE is not set +# CONFIG_USB_SERIAL_SIEMENS_MPI is not set +# CONFIG_USB_SERIAL_SIERRAWIRELESS is not set +# CONFIG_USB_SERIAL_SYMBOL is not set +# CONFIG_USB_SERIAL_TI is not set +# CONFIG_USB_SERIAL_CYBERJACK is not set +# CONFIG_USB_SERIAL_XIRCOM is not set +# CONFIG_USB_SERIAL_OPTION is not set +# CONFIG_USB_SERIAL_OMNINET is not set +# CONFIG_USB_SERIAL_OPTICON is not set +# CONFIG_USB_SERIAL_DEBUG is not set + +# +# USB Miscellaneous drivers +# +# CONFIG_USB_EMI62 is not set +# CONFIG_USB_EMI26 is not set +# CONFIG_USB_ADUTUX is not set +# CONFIG_USB_SEVSEG is not set +# CONFIG_USB_RIO500 is not set +# CONFIG_USB_LEGOTOWER is not set +# CONFIG_USB_LCD is not set +# CONFIG_USB_BERRY_CHARGE is not set +# CONFIG_USB_LED is not set +# CONFIG_USB_CYPRESS_CY7C63 is not set +# CONFIG_USB_CYTHERM is not set +# CONFIG_USB_IDMOUSE is not set +# CONFIG_USB_FTDI_ELAN is not set +# CONFIG_USB_APPLEDISPLAY is not set +# CONFIG_USB_SISUSBVGA is not set +# CONFIG_USB_LD is not set +# CONFIG_USB_TRANCEVIBRATOR is not set +# CONFIG_USB_IOWARRIOR is not set +# CONFIG_USB_TEST is not set +# CONFIG_USB_ISIGHTFW is not set +# CONFIG_USB_VST is not set +# CONFIG_USB_GADGET is not set + +# +# OTG and related infrastructure +# +# CONFIG_NOP_USB_XCEIV is not set +# CONFIG_UWB is not set +# CONFIG_MMC is not set +# CONFIG_MEMSTICK is not set +# CONFIG_NEW_LEDS is not set +# CONFIG_ACCESSIBILITY is not set +# CONFIG_INFINIBAND is not set +# CONFIG_RTC_CLASS is not set +# CONFIG_DMADEVICES is not set +# CONFIG_AUXDISPLAY is not set +# CONFIG_UIO is not set + +# +# TI VLYNQ +# +CONFIG_STAGING=y +# CONFIG_STAGING_EXCLUDE_BUILD is not set +# CONFIG_ET131X is not set +# CONFIG_USB_IP_COMMON is not set +# CONFIG_PRISM2_USB is not set +# CONFIG_ECHO is not set +# CONFIG_COMEDI is not set +# CONFIG_ASUS_OLED is not set +# CONFIG_ALTERA_PCIE_CHDMA is not set +# CONFIG_RTL8187SE is not set +# CONFIG_RTL8192SU is not set +# CONFIG_RTL8192E is not set +# CONFIG_INPUT_MIMIO is not set +# CONFIG_TRANZPORT is not set + +# +# Android +# + +# +# Qualcomm MSM Camera And Video +# + +# +# Camera Sensor Selection +# +# CONFIG_INPUT_GPIO is not set +# CONFIG_DST is not set +# CONFIG_POHMELFS is not set +# CONFIG_B3DFG is not set +# CONFIG_PLAN9AUTH is not set +# CONFIG_LINE6_USB is not set +# CONFIG_USB_SERIAL_QUATECH2 is not set +# CONFIG_USB_SERIAL_QUATECH_USB2 is not set +# CONFIG_VT6655 is not set +# CONFIG_VT6656 is not set +# CONFIG_FB_UDL is not set +# CONFIG_VME_BUS is not set + +# +# RAR Register Driver +# +# CONFIG_RAR_REGISTER is not set +# CONFIG_IIO is not set +CONFIG_FB_SM7XX=y +CONFIG_FB_SM7XX_ACCEL=y + +# +# File systems +# +# CONFIG_EXT2_FS is not set +CONFIG_EXT3_FS=y +# CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set +CONFIG_EXT3_FS_XATTR=y +CONFIG_EXT3_FS_POSIX_ACL=y +CONFIG_EXT3_FS_SECURITY=y +# CONFIG_EXT4_FS is not set +CONFIG_JBD=y +CONFIG_FS_MBCACHE=y +# CONFIG_REISERFS_FS is not set +# CONFIG_JFS_FS is not set +CONFIG_FS_POSIX_ACL=y +# CONFIG_XFS_FS is not set +# CONFIG_GFS2_FS is not set +# CONFIG_OCFS2_FS is not set +# CONFIG_BTRFS_FS is not set +# CONFIG_NILFS2_FS is not set +CONFIG_FILE_LOCKING=y +CONFIG_FSNOTIFY=y +CONFIG_DNOTIFY=y +CONFIG_INOTIFY=y +CONFIG_INOTIFY_USER=y +CONFIG_QUOTA=y +# CONFIG_QUOTA_NETLINK_INTERFACE is not set +CONFIG_PRINT_QUOTA_WARNING=y +# CONFIG_QFMT_V1 is not set +# CONFIG_QFMT_V2 is not set +CONFIG_QUOTACTL=y +# CONFIG_AUTOFS_FS is not set +# CONFIG_AUTOFS4_FS is not set +# CONFIG_FUSE_FS is not set + +# +# Caches +# +# CONFIG_FSCACHE is not set + +# +# CD-ROM/DVD Filesystems +# +CONFIG_ISO9660_FS=m +CONFIG_JOLIET=y +CONFIG_ZISOFS=y +# CONFIG_UDF_FS is not set + +# +# DOS/FAT/NT Filesystems +# +CONFIG_FAT_FS=m +# CONFIG_MSDOS_FS is not set +CONFIG_VFAT_FS=m +CONFIG_FAT_DEFAULT_CODEPAGE=437 +CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1" +# CONFIG_NTFS_FS is not set + +# +# Pseudo filesystems +# +CONFIG_PROC_FS=y +CONFIG_PROC_KCORE=y +CONFIG_PROC_SYSCTL=y +CONFIG_PROC_PAGE_MONITOR=y +CONFIG_SYSFS=y +CONFIG_TMPFS=y +# CONFIG_TMPFS_POSIX_ACL is not set +# CONFIG_HUGETLB_PAGE is not set +# CONFIG_CONFIGFS_FS is not set +# CONFIG_MISC_FILESYSTEMS is not set +CONFIG_NETWORK_FILESYSTEMS=y +CONFIG_NFS_FS=m +CONFIG_NFS_V3=y +CONFIG_NFS_V3_ACL=y +# CONFIG_NFS_V4 is not set +# CONFIG_NFSD is not set +CONFIG_LOCKD=m +CONFIG_LOCKD_V4=y +CONFIG_NFS_ACL_SUPPORT=m +CONFIG_NFS_COMMON=y +CONFIG_SUNRPC=m +# CONFIG_RPCSEC_GSS_KRB5 is not set +# CONFIG_RPCSEC_GSS_SPKM3 is not set +# CONFIG_SMB_FS is not set +# CONFIG_CIFS is not set +# CONFIG_NCP_FS is not set +# CONFIG_CODA_FS is not set +# CONFIG_AFS_FS is not set + +# +# Partition Types +# +# CONFIG_PARTITION_ADVANCED is not set +CONFIG_MSDOS_PARTITION=y +CONFIG_NLS=y +CONFIG_NLS_DEFAULT="utf-8" +# CONFIG_NLS_CODEPAGE_437 is not set +# CONFIG_NLS_CODEPAGE_737 is not set +# CONFIG_NLS_CODEPAGE_775 is not set +# CONFIG_NLS_CODEPAGE_850 is not set +# CONFIG_NLS_CODEPAGE_852 is not set +# CONFIG_NLS_CODEPAGE_855 is not set +# CONFIG_NLS_CODEPAGE_857 is not set +# CONFIG_NLS_CODEPAGE_860 is not set +# CONFIG_NLS_CODEPAGE_861 is not set +# CONFIG_NLS_CODEPAGE_862 is not set +# CONFIG_NLS_CODEPAGE_863 is not set +# CONFIG_NLS_CODEPAGE_864 is not set +# CONFIG_NLS_CODEPAGE_865 is not set +# CONFIG_NLS_CODEPAGE_866 is not set +# CONFIG_NLS_CODEPAGE_869 is not set +# CONFIG_NLS_CODEPAGE_936 is not set +# CONFIG_NLS_CODEPAGE_950 is not set +# CONFIG_NLS_CODEPAGE_932 is not set +# CONFIG_NLS_CODEPAGE_949 is not set +# CONFIG_NLS_CODEPAGE_874 is not set +# CONFIG_NLS_ISO8859_8 is not set +# CONFIG_NLS_CODEPAGE_1250 is not set +# CONFIG_NLS_CODEPAGE_1251 is not set +# CONFIG_NLS_ASCII is not set +# CONFIG_NLS_ISO8859_1 is not set +# CONFIG_NLS_ISO8859_2 is not set +# CONFIG_NLS_ISO8859_3 is not set +# CONFIG_NLS_ISO8859_4 is not set +# CONFIG_NLS_ISO8859_5 is not set +# CONFIG_NLS_ISO8859_6 is not set +# CONFIG_NLS_ISO8859_7 is not set +# CONFIG_NLS_ISO8859_9 is not set +# CONFIG_NLS_ISO8859_13 is not set +# CONFIG_NLS_ISO8859_14 is not set +# CONFIG_NLS_ISO8859_15 is not set +# CONFIG_NLS_KOI8_R is not set +# CONFIG_NLS_KOI8_U is not set +# CONFIG_NLS_UTF8 is not set +# CONFIG_DLM is not set + +# +# Kernel hacking +# +CONFIG_TRACE_IRQFLAGS_SUPPORT=y +CONFIG_PRINTK_TIME=y +CONFIG_ENABLE_WARN_DEPRECATED=y +CONFIG_ENABLE_MUST_CHECK=y +CONFIG_FRAME_WARN=1024 +# CONFIG_MAGIC_SYSRQ is not set +CONFIG_STRIP_ASM_SYMS=y +# CONFIG_UNUSED_SYMBOLS is not set +# CONFIG_DEBUG_FS is not set +# CONFIG_HEADERS_CHECK is not set +# CONFIG_DEBUG_KERNEL is not set +# CONFIG_SLUB_DEBUG_ON is not set +# CONFIG_SLUB_STATS is not set +# CONFIG_DEBUG_MEMORY_INIT is not set +# CONFIG_RCU_CPU_STALL_DETECTOR is not set +CONFIG_SYSCTL_SYSCALL_CHECK=y +CONFIG_TRACING_SUPPORT=y +# CONFIG_FTRACE is not set +# CONFIG_SAMPLES is not set +CONFIG_HAVE_ARCH_KGDB=y +# CONFIG_CMDLINE_BOOL is not set + +# +# Security options +# +# CONFIG_KEYS is not set +# CONFIG_SECURITY is not set +# CONFIG_SECURITYFS is not set +# CONFIG_SECURITY_FILE_CAPABILITIES is not set +CONFIG_CRYPTO=y + +# +# Crypto core or helper +# +CONFIG_CRYPTO_ALGAPI=y +CONFIG_CRYPTO_ALGAPI2=y +CONFIG_CRYPTO_AEAD2=y +CONFIG_CRYPTO_BLKCIPHER=y +CONFIG_CRYPTO_BLKCIPHER2=y +CONFIG_CRYPTO_HASH2=y +CONFIG_CRYPTO_RNG2=y +CONFIG_CRYPTO_PCOMP=y +CONFIG_CRYPTO_MANAGER=y +CONFIG_CRYPTO_MANAGER2=y +# CONFIG_CRYPTO_GF128MUL is not set +# CONFIG_CRYPTO_NULL is not set +CONFIG_CRYPTO_WORKQUEUE=y +# CONFIG_CRYPTO_CRYPTD is not set +# CONFIG_CRYPTO_AUTHENC is not set +# CONFIG_CRYPTO_TEST is not set + +# +# Authenticated Encryption with Associated Data +# +# CONFIG_CRYPTO_CCM is not set +# CONFIG_CRYPTO_GCM is not set +# CONFIG_CRYPTO_SEQIV is not set + +# +# Block modes +# +CONFIG_CRYPTO_CBC=y +# CONFIG_CRYPTO_CTR is not set +# CONFIG_CRYPTO_CTS is not set +# CONFIG_CRYPTO_ECB is not set +# CONFIG_CRYPTO_LRW is not set +# CONFIG_CRYPTO_PCBC is not set +# CONFIG_CRYPTO_XTS is not set + +# +# Hash modes +# +# CONFIG_CRYPTO_HMAC is not set +# CONFIG_CRYPTO_XCBC is not set +# CONFIG_CRYPTO_VMAC is not set + +# +# Digest +# +# CONFIG_CRYPTO_CRC32C is not set +# CONFIG_CRYPTO_GHASH is not set +# CONFIG_CRYPTO_MD4 is not set +# CONFIG_CRYPTO_MD5 is not set +# CONFIG_CRYPTO_MICHAEL_MIC is not set +# CONFIG_CRYPTO_RMD128 is not set +# CONFIG_CRYPTO_RMD160 is not set +# CONFIG_CRYPTO_RMD256 is not set +# CONFIG_CRYPTO_RMD320 is not set +# CONFIG_CRYPTO_SHA1 is not set +# CONFIG_CRYPTO_SHA256 is not set +# CONFIG_CRYPTO_SHA512 is not set +# CONFIG_CRYPTO_TGR192 is not set +# CONFIG_CRYPTO_WP512 is not set + +# +# Ciphers +# +# CONFIG_CRYPTO_AES is not set +# CONFIG_CRYPTO_ANUBIS is not set +# CONFIG_CRYPTO_ARC4 is not set +# CONFIG_CRYPTO_BLOWFISH is not set +# CONFIG_CRYPTO_CAMELLIA is not set +# CONFIG_CRYPTO_CAST5 is not set +# CONFIG_CRYPTO_CAST6 is not set +# CONFIG_CRYPTO_DES is not set +# CONFIG_CRYPTO_FCRYPT is not set +# CONFIG_CRYPTO_KHAZAD is not set +# CONFIG_CRYPTO_SALSA20 is not set +# CONFIG_CRYPTO_SEED is not set +# CONFIG_CRYPTO_SERPENT is not set +# CONFIG_CRYPTO_TEA is not set +# CONFIG_CRYPTO_TWOFISH is not set + +# +# Compression +# +# CONFIG_CRYPTO_DEFLATE is not set +# CONFIG_CRYPTO_ZLIB is not set +# CONFIG_CRYPTO_LZO is not set + +# +# Random Number Generation +# +# CONFIG_CRYPTO_ANSI_CPRNG is not set +CONFIG_CRYPTO_HW=y +# CONFIG_CRYPTO_DEV_HIFN_795X is not set +# CONFIG_BINARY_PRINTF is not set + +# +# Library routines +# +CONFIG_BITREVERSE=y +CONFIG_GENERIC_FIND_LAST_BIT=y +# CONFIG_CRC_CCITT is not set +# CONFIG_CRC16 is not set +CONFIG_CRC_T10DIF=y +# CONFIG_CRC_ITU_T is not set +CONFIG_CRC32=y +# CONFIG_CRC7 is not set +# CONFIG_LIBCRC32C is not set +CONFIG_AUDIT_GENERIC=y +CONFIG_ZLIB_INFLATE=m +CONFIG_HAS_IOMEM=y +CONFIG_HAS_IOPORT=y +CONFIG_HAS_DMA=y +CONFIG_NLATTR=y diff --git a/arch/mips/configs/malta_defconfig b/arch/mips/configs/malta_defconfig index 3f01870b4d6..d3c601206db 100644 --- a/arch/mips/configs/malta_defconfig +++ b/arch/mips/configs/malta_defconfig @@ -10,7 +10,6 @@ CONFIG_MIPS=y # CONFIG_ZONE_DMA=y # CONFIG_MACH_ALCHEMY is not set -# CONFIG_BASLER_EXCITE is not set # CONFIG_BCM47XX is not set # CONFIG_MIPS_COBALT is not set # CONFIG_MACH_DECSTATION is not set @@ -1591,7 +1590,7 @@ CONFIG_FRAME_WARN=1024 # CONFIG_DYNAMIC_PRINTK_DEBUG is not set # CONFIG_SAMPLES is not set CONFIG_HAVE_ARCH_KGDB=y -CONFIG_CMDLINE="" +# CONFIG_CMDLINE_BOOL is not set # # Security options diff --git a/arch/mips/configs/markeins_defconfig b/arch/mips/configs/markeins_defconfig index d001f7e8741..6a325c02b63 100644 --- a/arch/mips/configs/markeins_defconfig +++ b/arch/mips/configs/markeins_defconfig @@ -22,7 +22,6 @@ CONFIG_ZONE_DMA=y # CONFIG_MIPS_DB1550 is not set # CONFIG_MIPS_DB1200 is not set # CONFIG_MIPS_MIRAGE is not set -# CONFIG_BASLER_EXCITE is not set # CONFIG_MIPS_COBALT is not set # CONFIG_MACH_DECSTATION is not set # CONFIG_MACH_JAZZ is not set @@ -1366,7 +1365,9 @@ CONFIG_ENABLE_MUST_CHECK=y # CONFIG_DEBUG_KERNEL is not set CONFIG_LOG_BUF_SHIFT=14 CONFIG_CROSSCOMPILE=y +CONFIG_CMDLINE_BOOL=y CONFIG_CMDLINE="console=ttyS0,115200 mem=192m ip=bootp root=/dev/nfs rw" +# CONFIG_CMDLINE_OVERRIDE is not set # # Security options diff --git a/arch/mips/configs/mipssim_defconfig b/arch/mips/configs/mipssim_defconfig index 7358454deaa..f77a34e0f93 100644 --- a/arch/mips/configs/mipssim_defconfig +++ b/arch/mips/configs/mipssim_defconfig @@ -9,7 +9,6 @@ CONFIG_MIPS=y # Machine selection # # CONFIG_MACH_ALCHEMY is not set -# CONFIG_BASLER_EXCITE is not set # CONFIG_BCM47XX is not set # CONFIG_MIPS_COBALT is not set # CONFIG_MACH_DECSTATION is not set @@ -635,7 +634,9 @@ CONFIG_FORCED_INLINING=y # CONFIG_RCU_TORTURE_TEST is not set # CONFIG_FAULT_INJECTION is not set CONFIG_CROSSCOMPILE=y +CONFIG_CMDLINE_BOOL=y CONFIG_CMDLINE="nfsroot=192.168.192.169:/u1/mipsel,timeo=20 ip=dhcp" +# CONFIG_CMDLINE_OVERRIDE is not set # CONFIG_DEBUG_STACK_USAGE is not set # CONFIG_RUNTIME_DEBUG is not set diff --git a/arch/mips/configs/mpc30x_defconfig b/arch/mips/configs/mpc30x_defconfig index 8c720e51795..17203056b22 100644 --- a/arch/mips/configs/mpc30x_defconfig +++ b/arch/mips/configs/mpc30x_defconfig @@ -9,7 +9,6 @@ CONFIG_MIPS=y # Machine selection # # CONFIG_MACH_ALCHEMY is not set -# CONFIG_BASLER_EXCITE is not set # CONFIG_MIPS_COBALT is not set # CONFIG_MACH_DECSTATION is not set # CONFIG_MACH_JAZZ is not set @@ -817,7 +816,9 @@ CONFIG_ENABLE_MUST_CHECK=y # CONFIG_HEADERS_CHECK is not set # CONFIG_DEBUG_KERNEL is not set CONFIG_CROSSCOMPILE=y +CONFIG_CMDLINE_BOOL=y CONFIG_CMDLINE="mem=32M console=ttyVR0,19200 ide0=0x170,0x376,73" +# CONFIG_CMDLINE_OVERRIDE is not set # # Security options diff --git a/arch/mips/configs/msp71xx_defconfig b/arch/mips/configs/msp71xx_defconfig index ecbc030b7b6..000d185ddf4 100644 --- a/arch/mips/configs/msp71xx_defconfig +++ b/arch/mips/configs/msp71xx_defconfig @@ -22,7 +22,6 @@ CONFIG_ZONE_DMA=y # CONFIG_MIPS_DB1550 is not set # CONFIG_MIPS_DB1200 is not set # CONFIG_MIPS_MIRAGE is not set -# CONFIG_BASLER_EXCITE is not set # CONFIG_MIPS_COBALT is not set # CONFIG_MACH_DECSTATION is not set # CONFIG_MACH_JAZZ is not set @@ -1412,7 +1411,7 @@ CONFIG_FORCED_INLINING=y # CONFIG_RCU_TORTURE_TEST is not set # CONFIG_FAULT_INJECTION is not set CONFIG_CROSSCOMPILE=y -CONFIG_CMDLINE="" +# CONFIG_CMDLINE_BOOL is not set # CONFIG_DEBUG_STACK_USAGE is not set # CONFIG_RUNTIME_DEBUG is not set # CONFIG_MIPS_UNCACHED is not set diff --git a/arch/mips/configs/mtx1_defconfig b/arch/mips/configs/mtx1_defconfig index 9477f040796..144b94d9a6a 100644 --- a/arch/mips/configs/mtx1_defconfig +++ b/arch/mips/configs/mtx1_defconfig @@ -9,7 +9,6 @@ CONFIG_MIPS=y # Machine selection # CONFIG_MACH_ALCHEMY=y -# CONFIG_BASLER_EXCITE is not set # CONFIG_MIPS_COBALT is not set # CONFIG_MACH_DECSTATION is not set # CONFIG_MACH_JAZZ is not set @@ -3018,7 +3017,7 @@ CONFIG_MAGIC_SYSRQ=y # CONFIG_HEADERS_CHECK is not set # CONFIG_DEBUG_KERNEL is not set CONFIG_CROSSCOMPILE=y -CONFIG_CMDLINE="" +# CONFIG_CMDLINE_BOOL is not set # # Security options diff --git a/arch/mips/configs/pb1100_defconfig b/arch/mips/configs/pb1100_defconfig index be8091ef0a7..ddf67f63919 100644 --- a/arch/mips/configs/pb1100_defconfig +++ b/arch/mips/configs/pb1100_defconfig @@ -23,7 +23,6 @@ CONFIG_MIPS_PB1100=y # CONFIG_MIPS_DB1550 is not set # CONFIG_MIPS_DB1200 is not set # CONFIG_MIPS_MIRAGE is not set -# CONFIG_BASLER_EXCITE is not set # CONFIG_MIPS_COBALT is not set # CONFIG_MACH_DECSTATION is not set # CONFIG_MACH_JAZZ is not set @@ -1083,7 +1082,7 @@ CONFIG_ENABLE_MUST_CHECK=y # CONFIG_DEBUG_KERNEL is not set CONFIG_LOG_BUF_SHIFT=14 CONFIG_CROSSCOMPILE=y -CONFIG_CMDLINE="" +# CONFIG_CMDLINE_BOOL is not set # # Security options diff --git a/arch/mips/configs/pb1500_defconfig b/arch/mips/configs/pb1500_defconfig index e74ba794c78..5ec60836b64 100644 --- a/arch/mips/configs/pb1500_defconfig +++ b/arch/mips/configs/pb1500_defconfig @@ -23,7 +23,6 @@ CONFIG_MIPS_PB1500=y # CONFIG_MIPS_DB1550 is not set # CONFIG_MIPS_DB1200 is not set # CONFIG_MIPS_MIRAGE is not set -# CONFIG_BASLER_EXCITE is not set # CONFIG_MIPS_COBALT is not set # CONFIG_MACH_DECSTATION is not set # CONFIG_MACH_JAZZ is not set @@ -1200,7 +1199,7 @@ CONFIG_ENABLE_MUST_CHECK=y # CONFIG_DEBUG_KERNEL is not set CONFIG_LOG_BUF_SHIFT=14 CONFIG_CROSSCOMPILE=y -CONFIG_CMDLINE="" +# CONFIG_CMDLINE_BOOL is not set # # Security options diff --git a/arch/mips/configs/pb1550_defconfig b/arch/mips/configs/pb1550_defconfig index 1d896fd830d..6647642b5d9 100644 --- a/arch/mips/configs/pb1550_defconfig +++ b/arch/mips/configs/pb1550_defconfig @@ -23,7 +23,6 @@ CONFIG_MIPS_PB1550=y # CONFIG_MIPS_DB1550 is not set # CONFIG_MIPS_DB1200 is not set # CONFIG_MIPS_MIRAGE is not set -# CONFIG_BASLER_EXCITE is not set # CONFIG_MIPS_COBALT is not set # CONFIG_MACH_DECSTATION is not set # CONFIG_MACH_JAZZ is not set @@ -1193,7 +1192,7 @@ CONFIG_ENABLE_MUST_CHECK=y # CONFIG_DEBUG_KERNEL is not set CONFIG_LOG_BUF_SHIFT=14 CONFIG_CROSSCOMPILE=y -CONFIG_CMDLINE="" +# CONFIG_CMDLINE_BOOL is not set # # Security options diff --git a/arch/mips/configs/pnx8335-stb225_defconfig b/arch/mips/configs/pnx8335-stb225_defconfig index fef4d31c205..848344d588d 100644 --- a/arch/mips/configs/pnx8335-stb225_defconfig +++ b/arch/mips/configs/pnx8335-stb225_defconfig @@ -9,7 +9,6 @@ CONFIG_MIPS=y # Machine selection # # CONFIG_MACH_ALCHEMY is not set -# CONFIG_BASLER_EXCITE is not set # CONFIG_BCM47XX is not set # CONFIG_MIPS_COBALT is not set # CONFIG_MACH_DECSTATION is not set @@ -1034,7 +1033,7 @@ CONFIG_FRAME_WARN=1024 # CONFIG_DEBUG_KERNEL is not set # CONFIG_SAMPLES is not set # CONFIG_KERNEL_TESTS is not set -CONFIG_CMDLINE="" +# CONFIG_CMDLINE_BOOL is not set # # Security options diff --git a/arch/mips/configs/pnx8550-jbs_defconfig b/arch/mips/configs/pnx8550-jbs_defconfig index e10c7116c3c..9d721fdccb3 100644 --- a/arch/mips/configs/pnx8550-jbs_defconfig +++ b/arch/mips/configs/pnx8550-jbs_defconfig @@ -22,7 +22,6 @@ CONFIG_ZONE_DMA=y # CONFIG_MIPS_DB1550 is not set # CONFIG_MIPS_DB1200 is not set # CONFIG_MIPS_MIRAGE is not set -# CONFIG_BASLER_EXCITE is not set # CONFIG_MIPS_COBALT is not set # CONFIG_MACH_DECSTATION is not set # CONFIG_MACH_JAZZ is not set @@ -1215,7 +1214,9 @@ CONFIG_DEBUG_MUTEXES=y CONFIG_FORCED_INLINING=y # CONFIG_RCU_TORTURE_TEST is not set CONFIG_CROSSCOMPILE=y +CONFIG_CMDLINE_BOOL=y CONFIG_CMDLINE="console=ttyS1,38400n8 root=/dev/nfs ip=bootp" +# CONFIG_CMDLINE_OVERRIDE is not set # CONFIG_DEBUG_STACK_USAGE is not set # CONFIG_RUNTIME_DEBUG is not set diff --git a/arch/mips/configs/pnx8550-stb810_defconfig b/arch/mips/configs/pnx8550-stb810_defconfig index 5ed3c8dfa0a..ab07ec08c6f 100644 --- a/arch/mips/configs/pnx8550-stb810_defconfig +++ b/arch/mips/configs/pnx8550-stb810_defconfig @@ -22,7 +22,6 @@ CONFIG_ZONE_DMA=y # CONFIG_MIPS_DB1550 is not set # CONFIG_MIPS_DB1200 is not set # CONFIG_MIPS_MIRAGE is not set -# CONFIG_BASLER_EXCITE is not set # CONFIG_MIPS_COBALT is not set # CONFIG_MACH_DECSTATION is not set # CONFIG_MACH_JAZZ is not set @@ -1205,7 +1204,9 @@ CONFIG_DEBUG_SLAB=y CONFIG_FORCED_INLINING=y # CONFIG_RCU_TORTURE_TEST is not set CONFIG_CROSSCOMPILE=y +CONFIG_CMDLINE_BOOL=y CONFIG_CMDLINE="console=ttyS1,38400n8 root=/dev/nfs ip=bootp" +# CONFIG_CMDLINE_OVERRIDE is not set # CONFIG_DEBUG_STACK_USAGE is not set # CONFIG_RUNTIME_DEBUG is not set diff --git a/arch/mips/configs/powertv_defconfig b/arch/mips/configs/powertv_defconfig new file mode 100644 index 00000000000..7291633d81c --- /dev/null +++ b/arch/mips/configs/powertv_defconfig @@ -0,0 +1,1550 @@ +# +# Automatically generated make config: don't edit +# Linux kernel version: 2.6.31-rc5 +# Fri Aug 28 14:49:33 2009 +# +CONFIG_MIPS=y + +# +# Machine selection +# +# CONFIG_MACH_ALCHEMY is not set +# CONFIG_AR7 is not set +# CONFIG_BCM47XX is not set +# CONFIG_MIPS_COBALT is not set +# CONFIG_MACH_DECSTATION is not set +# CONFIG_MACH_JAZZ is not set +# CONFIG_LASAT is not set +# CONFIG_LEMOTE_FULONG is not set +# CONFIG_MIPS_MALTA is not set +# CONFIG_MIPS_SIM is not set +# CONFIG_NEC_MARKEINS is not set +# CONFIG_MACH_VR41XX is not set +# CONFIG_NXP_STB220 is not set +# CONFIG_NXP_STB225 is not set +# CONFIG_PNX8550_JBS is not set +# CONFIG_PNX8550_STB810 is not set +# CONFIG_PMC_MSP is not set +# CONFIG_PMC_YOSEMITE is not set +CONFIG_POWERTV=y +# CONFIG_SGI_IP22 is not set +# CONFIG_SGI_IP27 is not set +# CONFIG_SGI_IP28 is not set +# CONFIG_SGI_IP32 is not set +# CONFIG_SIBYTE_CRHINE is not set +# CONFIG_SIBYTE_CARMEL is not set +# CONFIG_SIBYTE_CRHONE is not set +# CONFIG_SIBYTE_RHONE is not set +# CONFIG_SIBYTE_SWARM is not set +# CONFIG_SIBYTE_LITTLESUR is not set +# CONFIG_SIBYTE_SENTOSA is not set +# CONFIG_SIBYTE_BIGSUR is not set +# CONFIG_SNI_RM is not set +# CONFIG_MACH_TX39XX is not set +# CONFIG_MACH_TX49XX is not set +# CONFIG_MIKROTIK_RB532 is not set +# CONFIG_WR_PPMC is not set +# CONFIG_CAVIUM_OCTEON_SIMULATOR is not set +# CONFIG_CAVIUM_OCTEON_REFERENCE_BOARD is not set +# CONFIG_ALCHEMY_GPIO_INDIRECT is not set +# CONFIG_MIN_RUNTIME_RESOURCES is not set +# CONFIG_BOOTLOADER_DRIVER is not set +CONFIG_BOOTLOADER_FAMILY="R2" +CONFIG_CSRC_POWERTV=y +CONFIG_RWSEM_GENERIC_SPINLOCK=y +# CONFIG_ARCH_HAS_ILOG2_U32 is not set +# CONFIG_ARCH_HAS_ILOG2_U64 is not set +CONFIG_ARCH_SUPPORTS_OPROFILE=y +CONFIG_GENERIC_FIND_NEXT_BIT=y +CONFIG_GENERIC_HWEIGHT=y +CONFIG_GENERIC_CALIBRATE_DELAY=y +CONFIG_GENERIC_CLOCKEVENTS=y +CONFIG_GENERIC_TIME=y +CONFIG_GENERIC_CMOS_UPDATE=y +CONFIG_SCHED_OMIT_FRAME_POINTER=y +CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y +CONFIG_CEVT_R4K_LIB=y +CONFIG_CEVT_R4K=y +CONFIG_DMA_NONCOHERENT=y +CONFIG_DMA_NEED_PCI_MAP_STATE=y +# CONFIG_EARLY_PRINTK is not set +CONFIG_SYS_HAS_EARLY_PRINTK=y +# CONFIG_NO_IOPORT is not set +CONFIG_CPU_BIG_ENDIAN=y +# CONFIG_CPU_LITTLE_ENDIAN is not set +CONFIG_SYS_SUPPORTS_BIG_ENDIAN=y +CONFIG_BOOT_ELF32=y +CONFIG_MIPS_L1_CACHE_SHIFT=5 + +# +# CPU selection +# +# CONFIG_CPU_LOONGSON2 is not set +# CONFIG_CPU_MIPS32_R1 is not set +CONFIG_CPU_MIPS32_R2=y +# CONFIG_CPU_MIPS64_R1 is not set +# CONFIG_CPU_MIPS64_R2 is not set +# CONFIG_CPU_R3000 is not set +# CONFIG_CPU_TX39XX is not set +# CONFIG_CPU_VR41XX is not set +# CONFIG_CPU_R4300 is not set +# CONFIG_CPU_R4X00 is not set +# CONFIG_CPU_TX49XX is not set +# CONFIG_CPU_R5000 is not set +# CONFIG_CPU_R5432 is not set +# CONFIG_CPU_R5500 is not set +# CONFIG_CPU_R6000 is not set +# CONFIG_CPU_NEVADA is not set +# CONFIG_CPU_R8000 is not set +# CONFIG_CPU_R10000 is not set +# CONFIG_CPU_RM7000 is not set +# CONFIG_CPU_RM9000 is not set +# CONFIG_CPU_SB1 is not set +# CONFIG_CPU_CAVIUM_OCTEON is not set +CONFIG_SYS_HAS_CPU_MIPS32_R2=y +CONFIG_CPU_MIPS32=y +CONFIG_CPU_MIPSR2=y +CONFIG_SYS_SUPPORTS_32BIT_KERNEL=y +CONFIG_CPU_SUPPORTS_32BIT_KERNEL=y +CONFIG_HARDWARE_WATCHPOINTS=y + +# +# Kernel type +# +CONFIG_32BIT=y +# CONFIG_64BIT is not set +CONFIG_PAGE_SIZE_4KB=y +# CONFIG_PAGE_SIZE_8KB is not set +# CONFIG_PAGE_SIZE_16KB is not set +# CONFIG_PAGE_SIZE_32KB is not set +# CONFIG_PAGE_SIZE_64KB is not set +CONFIG_CPU_HAS_PREFETCH=y +CONFIG_MIPS_MT_DISABLED=y +# CONFIG_MIPS_MT_SMP is not set +# CONFIG_MIPS_MT_SMTC is not set +CONFIG_CPU_HAS_LLSC=y +CONFIG_CPU_MIPSR2_IRQ_VI=y +CONFIG_CPU_MIPSR2_IRQ_EI=y +CONFIG_CPU_HAS_SYNC=y +CONFIG_GENERIC_HARDIRQS=y +CONFIG_GENERIC_IRQ_PROBE=y +# CONFIG_HIGHMEM is not set +CONFIG_CPU_SUPPORTS_HIGHMEM=y +CONFIG_SYS_SUPPORTS_HIGHMEM=y +CONFIG_ARCH_FLATMEM_ENABLE=y +CONFIG_ARCH_POPULATES_NODE_MAP=y +CONFIG_SELECT_MEMORY_MODEL=y +CONFIG_FLATMEM_MANUAL=y +# CONFIG_DISCONTIGMEM_MANUAL is not set +# CONFIG_SPARSEMEM_MANUAL is not set +CONFIG_FLATMEM=y +CONFIG_FLAT_NODE_MEM_MAP=y +CONFIG_PAGEFLAGS_EXTENDED=y +CONFIG_SPLIT_PTLOCK_CPUS=4 +# CONFIG_PHYS_ADDR_T_64BIT is not set +CONFIG_ZONE_DMA_FLAG=0 +CONFIG_VIRT_TO_BUS=y +CONFIG_HAVE_MLOCK=y +CONFIG_HAVE_MLOCKED_PAGE_BIT=y +CONFIG_DEFAULT_MMAP_MIN_ADDR=4096 +CONFIG_TICK_ONESHOT=y +CONFIG_NO_HZ=y +CONFIG_HIGH_RES_TIMERS=y +CONFIG_GENERIC_CLOCKEVENTS_BUILD=y +# CONFIG_HZ_48 is not set +# CONFIG_HZ_100 is not set +# CONFIG_HZ_128 is not set +# CONFIG_HZ_250 is not set +# CONFIG_HZ_256 is not set +CONFIG_HZ_1000=y +# CONFIG_HZ_1024 is not set +CONFIG_SYS_SUPPORTS_ARBIT_HZ=y +CONFIG_HZ=1000 +# CONFIG_PREEMPT_NONE is not set +# CONFIG_PREEMPT_VOLUNTARY is not set +CONFIG_PREEMPT=y +# CONFIG_KEXEC is not set +# CONFIG_SECCOMP is not set +CONFIG_LOCKDEP_SUPPORT=y +CONFIG_STACKTRACE_SUPPORT=y +CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" +CONFIG_CONSTRUCTORS=y + +# +# General setup +# +CONFIG_EXPERIMENTAL=y +CONFIG_BROKEN_ON_SMP=y +CONFIG_LOCK_KERNEL=y +CONFIG_INIT_ENV_ARG_LIMIT=32 +CONFIG_LOCALVERSION="" +CONFIG_LOCALVERSION_AUTO=y +# CONFIG_SWAP is not set +CONFIG_SYSVIPC=y +CONFIG_SYSVIPC_SYSCTL=y +# CONFIG_POSIX_MQUEUE is not set +# CONFIG_BSD_PROCESS_ACCT is not set +# CONFIG_TASKSTATS is not set +# CONFIG_AUDIT is not set + +# +# RCU Subsystem +# +CONFIG_CLASSIC_RCU=y +# CONFIG_TREE_RCU is not set +# CONFIG_PREEMPT_RCU is not set +# CONFIG_TREE_RCU_TRACE is not set +# CONFIG_PREEMPT_RCU_TRACE is not set +# CONFIG_IKCONFIG is not set +CONFIG_LOG_BUF_SHIFT=16 +CONFIG_GROUP_SCHED=y +CONFIG_FAIR_GROUP_SCHED=y +# CONFIG_RT_GROUP_SCHED is not set +CONFIG_USER_SCHED=y +# CONFIG_CGROUP_SCHED is not set +# CONFIG_CGROUPS is not set +# CONFIG_SYSFS_DEPRECATED_V2 is not set +CONFIG_RELAY=y +# CONFIG_NAMESPACES is not set +CONFIG_BLK_DEV_INITRD=y +CONFIG_INITRAMFS_SOURCE="" +# CONFIG_RD_GZIP is not set +# CONFIG_RD_BZIP2 is not set +# CONFIG_RD_LZMA is not set +# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set +CONFIG_SYSCTL=y +CONFIG_ANON_INODES=y +CONFIG_EMBEDDED=y +# CONFIG_SYSCTL_SYSCALL is not set +CONFIG_KALLSYMS=y +CONFIG_KALLSYMS_ALL=y +# CONFIG_KALLSYMS_EXTRA_PASS is not set +CONFIG_HOTPLUG=y +CONFIG_PRINTK=y +CONFIG_BUG=y +CONFIG_ELF_CORE=y +# CONFIG_PCSPKR_PLATFORM is not set +CONFIG_BASE_FULL=y +CONFIG_FUTEX=y +# CONFIG_EPOLL is not set +# CONFIG_SIGNALFD is not set +CONFIG_TIMERFD=y +# CONFIG_EVENTFD is not set +CONFIG_SHMEM=y +CONFIG_AIO=y + +# +# Performance Counters +# +# CONFIG_VM_EVENT_COUNTERS is not set +CONFIG_PCI_QUIRKS=y +# CONFIG_SLUB_DEBUG is not set +# CONFIG_STRIP_ASM_SYMS is not set +CONFIG_COMPAT_BRK=y +# CONFIG_SLAB is not set +CONFIG_SLUB=y +# CONFIG_SLOB is not set +# CONFIG_PROFILING is not set +# CONFIG_MARKERS is not set +CONFIG_HAVE_OPROFILE=y + +# +# GCOV-based kernel profiling +# +# CONFIG_GCOV_KERNEL is not set +# CONFIG_SLOW_WORK is not set +# CONFIG_HAVE_GENERIC_DMA_COHERENT is not set +CONFIG_RT_MUTEXES=y +CONFIG_BASE_SMALL=0 +CONFIG_MODULES=y +# CONFIG_MODULE_FORCE_LOAD is not set +CONFIG_MODULE_UNLOAD=y +# CONFIG_MODULE_FORCE_UNLOAD is not set +CONFIG_MODVERSIONS=y +CONFIG_MODULE_SRCVERSION_ALL=y +CONFIG_BLOCK=y +CONFIG_LBDAF=y +# CONFIG_BLK_DEV_BSG is not set +# CONFIG_BLK_DEV_INTEGRITY is not set + +# +# IO Schedulers +# +CONFIG_IOSCHED_NOOP=y +# CONFIG_IOSCHED_AS is not set +# CONFIG_IOSCHED_DEADLINE is not set +# CONFIG_IOSCHED_CFQ is not set +# CONFIG_DEFAULT_AS is not set +# CONFIG_DEFAULT_DEADLINE is not set +# CONFIG_DEFAULT_CFQ is not set +CONFIG_DEFAULT_NOOP=y +CONFIG_DEFAULT_IOSCHED="noop" +# CONFIG_PROBE_INITRD_HEADER is not set +# CONFIG_FREEZER is not set + +# +# Bus options (PCI, PCMCIA, EISA, ISA, TC) +# +CONFIG_HW_HAS_PCI=y +CONFIG_PCI=y +CONFIG_PCI_DOMAINS=y +# CONFIG_ARCH_SUPPORTS_MSI is not set +# CONFIG_PCI_LEGACY is not set +# CONFIG_PCI_DEBUG is not set +# CONFIG_PCI_STUB is not set +# CONFIG_PCI_IOV is not set +CONFIG_MMU=y +# CONFIG_PCCARD is not set +# CONFIG_HOTPLUG_PCI is not set + +# +# Executable file formats +# +CONFIG_BINFMT_ELF=y +# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set +# CONFIG_HAVE_AOUT is not set +# CONFIG_BINFMT_MISC is not set +CONFIG_TRAD_SIGNALS=y + +# +# Power management options +# +CONFIG_ARCH_HIBERNATION_POSSIBLE=y +CONFIG_ARCH_SUSPEND_POSSIBLE=y +# CONFIG_PM is not set +CONFIG_NET=y + +# +# Networking options +# +CONFIG_PACKET=y +CONFIG_PACKET_MMAP=y +CONFIG_UNIX=y +CONFIG_XFRM=y +# CONFIG_XFRM_USER is not set +# CONFIG_XFRM_SUB_POLICY is not set +# CONFIG_XFRM_MIGRATE is not set +# CONFIG_XFRM_STATISTICS is not set +CONFIG_XFRM_IPCOMP=y +# CONFIG_NET_KEY is not set +CONFIG_INET=y +CONFIG_IP_MULTICAST=y +CONFIG_IP_ADVANCED_ROUTER=y +CONFIG_ASK_IP_FIB_HASH=y +# CONFIG_IP_FIB_TRIE is not set +CONFIG_IP_FIB_HASH=y +# CONFIG_IP_MULTIPLE_TABLES is not set +# CONFIG_IP_ROUTE_MULTIPATH is not set +# CONFIG_IP_ROUTE_VERBOSE is not set +CONFIG_IP_PNP=y +# CONFIG_IP_PNP_DHCP is not set +# CONFIG_IP_PNP_BOOTP is not set +# CONFIG_IP_PNP_RARP is not set +# CONFIG_NET_IPIP is not set +# CONFIG_NET_IPGRE is not set +# CONFIG_IP_MROUTE is not set +# CONFIG_ARPD is not set +CONFIG_SYN_COOKIES=y +# CONFIG_INET_AH is not set +# CONFIG_INET_ESP is not set +# CONFIG_INET_IPCOMP is not set +# CONFIG_INET_XFRM_TUNNEL is not set +# CONFIG_INET_TUNNEL is not set +# CONFIG_INET_XFRM_MODE_TRANSPORT is not set +# CONFIG_INET_XFRM_MODE_TUNNEL is not set +# CONFIG_INET_XFRM_MODE_BEET is not set +# CONFIG_INET_LRO is not set +# CONFIG_INET_DIAG is not set +# CONFIG_TCP_CONG_ADVANCED is not set +CONFIG_TCP_CONG_CUBIC=y +CONFIG_DEFAULT_TCP_CONG="cubic" +# CONFIG_TCP_MD5SIG is not set +CONFIG_IPV6=y +CONFIG_IPV6_PRIVACY=y +# CONFIG_IPV6_ROUTER_PREF is not set +# CONFIG_IPV6_OPTIMISTIC_DAD is not set +CONFIG_INET6_AH=y +CONFIG_INET6_ESP=y +CONFIG_INET6_IPCOMP=y +# CONFIG_IPV6_MIP6 is not set +CONFIG_INET6_XFRM_TUNNEL=y +CONFIG_INET6_TUNNEL=y +# CONFIG_INET6_XFRM_MODE_TRANSPORT is not set +# CONFIG_INET6_XFRM_MODE_TUNNEL is not set +# CONFIG_INET6_XFRM_MODE_BEET is not set +# CONFIG_INET6_XFRM_MODE_ROUTEOPTIMIZATION is not set +# CONFIG_IPV6_SIT is not set +CONFIG_IPV6_TUNNEL=y +# CONFIG_IPV6_MULTIPLE_TABLES is not set +# CONFIG_IPV6_MROUTE is not set +# CONFIG_NETWORK_SECMARK is not set +CONFIG_NETFILTER=y +# CONFIG_NETFILTER_DEBUG is not set +CONFIG_NETFILTER_ADVANCED=y +# CONFIG_BRIDGE_NETFILTER is not set + +# +# Core Netfilter Configuration +# +# CONFIG_NETFILTER_NETLINK_QUEUE is not set +# CONFIG_NETFILTER_NETLINK_LOG is not set +# CONFIG_NF_CONNTRACK is not set +CONFIG_NETFILTER_XTABLES=y +# CONFIG_NETFILTER_XT_TARGET_CLASSIFY is not set +# CONFIG_NETFILTER_XT_TARGET_MARK is not set +# CONFIG_NETFILTER_XT_TARGET_NFLOG is not set +# CONFIG_NETFILTER_XT_TARGET_NFQUEUE is not set +# CONFIG_NETFILTER_XT_TARGET_RATEEST is not set +# CONFIG_NETFILTER_XT_TARGET_TCPMSS is not set +# CONFIG_NETFILTER_XT_MATCH_COMMENT is not set +# CONFIG_NETFILTER_XT_MATCH_DCCP is not set +# CONFIG_NETFILTER_XT_MATCH_DSCP is not set +# CONFIG_NETFILTER_XT_MATCH_ESP is not set +# CONFIG_NETFILTER_XT_MATCH_HASHLIMIT is not set +# CONFIG_NETFILTER_XT_MATCH_HL is not set +# CONFIG_NETFILTER_XT_MATCH_IPRANGE is not set +# CONFIG_NETFILTER_XT_MATCH_LENGTH is not set +# CONFIG_NETFILTER_XT_MATCH_LIMIT is not set +# CONFIG_NETFILTER_XT_MATCH_MAC is not set +# CONFIG_NETFILTER_XT_MATCH_MARK is not set +CONFIG_NETFILTER_XT_MATCH_MULTIPORT=y +# CONFIG_NETFILTER_XT_MATCH_OWNER is not set +# CONFIG_NETFILTER_XT_MATCH_POLICY is not set +# CONFIG_NETFILTER_XT_MATCH_PKTTYPE is not set +# CONFIG_NETFILTER_XT_MATCH_QUOTA is not set +# CONFIG_NETFILTER_XT_MATCH_RATEEST is not set +# CONFIG_NETFILTER_XT_MATCH_REALM is not set +# CONFIG_NETFILTER_XT_MATCH_RECENT is not set +# CONFIG_NETFILTER_XT_MATCH_SCTP is not set +# CONFIG_NETFILTER_XT_MATCH_STATISTIC is not set +# CONFIG_NETFILTER_XT_MATCH_STRING is not set +# CONFIG_NETFILTER_XT_MATCH_TCPMSS is not set +# CONFIG_NETFILTER_XT_MATCH_TIME is not set +# CONFIG_NETFILTER_XT_MATCH_U32 is not set +# CONFIG_IP_VS is not set + +# +# IP: Netfilter Configuration +# +# CONFIG_NF_DEFRAG_IPV4 is not set +# CONFIG_IP_NF_QUEUE is not set +CONFIG_IP_NF_IPTABLES=y +# CONFIG_IP_NF_MATCH_ADDRTYPE is not set +# CONFIG_IP_NF_MATCH_AH is not set +# CONFIG_IP_NF_MATCH_ECN is not set +# CONFIG_IP_NF_MATCH_TTL is not set +CONFIG_IP_NF_FILTER=y +# CONFIG_IP_NF_TARGET_REJECT is not set +# CONFIG_IP_NF_TARGET_LOG is not set +# CONFIG_IP_NF_TARGET_ULOG is not set +# CONFIG_IP_NF_MANGLE is not set +# CONFIG_IP_NF_TARGET_TTL is not set +# CONFIG_IP_NF_RAW is not set +CONFIG_IP_NF_ARPTABLES=y +CONFIG_IP_NF_ARPFILTER=y +# CONFIG_IP_NF_ARP_MANGLE is not set + +# +# IPv6: Netfilter Configuration +# +# CONFIG_IP6_NF_QUEUE is not set +CONFIG_IP6_NF_IPTABLES=y +# CONFIG_IP6_NF_MATCH_AH is not set +# CONFIG_IP6_NF_MATCH_EUI64 is not set +# CONFIG_IP6_NF_MATCH_FRAG is not set +# CONFIG_IP6_NF_MATCH_OPTS is not set +# CONFIG_IP6_NF_MATCH_HL is not set +# CONFIG_IP6_NF_MATCH_IPV6HEADER is not set +# CONFIG_IP6_NF_MATCH_MH is not set +# CONFIG_IP6_NF_MATCH_RT is not set +# CONFIG_IP6_NF_TARGET_HL is not set +# CONFIG_IP6_NF_TARGET_LOG is not set +CONFIG_IP6_NF_FILTER=y +# CONFIG_IP6_NF_TARGET_REJECT is not set +# CONFIG_IP6_NF_MANGLE is not set +# CONFIG_IP6_NF_RAW is not set +# CONFIG_IP_DCCP is not set +# CONFIG_IP_SCTP is not set +# CONFIG_TIPC is not set +# CONFIG_ATM is not set +CONFIG_STP=y +CONFIG_BRIDGE=y +# CONFIG_NET_DSA is not set +# CONFIG_VLAN_8021Q is not set +# CONFIG_DECNET is not set +CONFIG_LLC=y +# CONFIG_LLC2 is not set +# CONFIG_IPX is not set +# CONFIG_ATALK is not set +# CONFIG_X25 is not set +# CONFIG_LAPB is not set +# CONFIG_ECONET is not set +# CONFIG_WAN_ROUTER is not set +# CONFIG_PHONET is not set +# CONFIG_IEEE802154 is not set +CONFIG_NET_SCHED=y + +# +# Queueing/Scheduling +# +# CONFIG_NET_SCH_CBQ is not set +# CONFIG_NET_SCH_HTB is not set +# CONFIG_NET_SCH_HFSC is not set +# CONFIG_NET_SCH_PRIO is not set +# CONFIG_NET_SCH_MULTIQ is not set +# CONFIG_NET_SCH_RED is not set +# CONFIG_NET_SCH_SFQ is not set +# CONFIG_NET_SCH_TEQL is not set +CONFIG_NET_SCH_TBF=y +# CONFIG_NET_SCH_GRED is not set +# CONFIG_NET_SCH_DSMARK is not set +# CONFIG_NET_SCH_NETEM is not set +# CONFIG_NET_SCH_DRR is not set + +# +# Classification +# +# CONFIG_NET_CLS_BASIC is not set +# CONFIG_NET_CLS_TCINDEX is not set +# CONFIG_NET_CLS_ROUTE4 is not set +# CONFIG_NET_CLS_FW is not set +# CONFIG_NET_CLS_U32 is not set +# CONFIG_NET_CLS_RSVP is not set +# CONFIG_NET_CLS_RSVP6 is not set +# CONFIG_NET_CLS_FLOW is not set +# CONFIG_NET_EMATCH is not set +# CONFIG_NET_CLS_ACT is not set +CONFIG_NET_SCH_FIFO=y +# CONFIG_DCB is not set + +# +# Network testing +# +# CONFIG_NET_PKTGEN is not set +# CONFIG_HAMRADIO is not set +# CONFIG_CAN is not set +# CONFIG_IRDA is not set +# CONFIG_BT is not set +# CONFIG_AF_RXRPC is not set +# CONFIG_WIRELESS is not set +# CONFIG_WIMAX is not set +# CONFIG_RFKILL is not set +# CONFIG_NET_9P is not set + +# +# Device Drivers +# + +# +# Generic Driver Options +# +CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" +CONFIG_STANDALONE=y +CONFIG_PREVENT_FIRMWARE_BUILD=y +CONFIG_FW_LOADER=y +CONFIG_FIRMWARE_IN_KERNEL=y +CONFIG_EXTRA_FIRMWARE="" +# CONFIG_DEBUG_DRIVER is not set +# CONFIG_DEBUG_DEVRES is not set +# CONFIG_SYS_HYPERVISOR is not set +# CONFIG_CONNECTOR is not set +CONFIG_MTD=y +# CONFIG_MTD_DEBUG is not set +# CONFIG_MTD_CONCAT is not set +CONFIG_MTD_PARTITIONS=y +# CONFIG_MTD_TESTS is not set +# CONFIG_MTD_REDBOOT_PARTS is not set +CONFIG_MTD_CMDLINE_PARTS=y +# CONFIG_MTD_AR7_PARTS is not set + +# +# User Modules And Translation Layers +# +CONFIG_MTD_CHAR=y +CONFIG_MTD_BLKDEVS=y +CONFIG_MTD_BLOCK=y +# CONFIG_FTL is not set +# CONFIG_NFTL is not set +# CONFIG_INFTL is not set +# CONFIG_RFD_FTL is not set +# CONFIG_SSFDC is not set +# CONFIG_MTD_OOPS is not set + +# +# RAM/ROM/Flash chip drivers +# +# CONFIG_MTD_CFI is not set +# CONFIG_MTD_JEDECPROBE is not set +CONFIG_MTD_MAP_BANK_WIDTH_1=y +CONFIG_MTD_MAP_BANK_WIDTH_2=y +CONFIG_MTD_MAP_BANK_WIDTH_4=y +# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set +# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set +# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set +CONFIG_MTD_CFI_I1=y +CONFIG_MTD_CFI_I2=y +# CONFIG_MTD_CFI_I4 is not set +# CONFIG_MTD_CFI_I8 is not set +# CONFIG_MTD_RAM is not set +# CONFIG_MTD_ROM is not set +# CONFIG_MTD_ABSENT is not set + +# +# Mapping drivers for chip access +# +# CONFIG_MTD_COMPLEX_MAPPINGS is not set +# CONFIG_MTD_INTEL_VR_NOR is not set +# CONFIG_MTD_PLATRAM is not set + +# +# Self-contained MTD device drivers +# +# CONFIG_MTD_PMC551 is not set +# CONFIG_MTD_SLRAM is not set +# CONFIG_MTD_PHRAM is not set +# CONFIG_MTD_MTDRAM is not set +# CONFIG_MTD_BLOCK2MTD is not set + +# +# Disk-On-Chip Device Drivers +# +# CONFIG_MTD_DOC2000 is not set +# CONFIG_MTD_DOC2001 is not set +# CONFIG_MTD_DOC2001PLUS is not set +CONFIG_MTD_NAND=y +# CONFIG_MTD_NAND_VERIFY_WRITE is not set +# CONFIG_MTD_NAND_ECC_SMC is not set +# CONFIG_MTD_NAND_MUSEUM_IDS is not set +CONFIG_MTD_NAND_IDS=y +# CONFIG_MTD_NAND_DISKONCHIP is not set +# CONFIG_MTD_NAND_CAFE is not set +# CONFIG_MTD_NAND_NANDSIM is not set +# CONFIG_MTD_NAND_PLATFORM is not set +# CONFIG_MTD_ALAUDA is not set +# CONFIG_MTD_ONENAND is not set + +# +# LPDDR flash memory drivers +# +# CONFIG_MTD_LPDDR is not set + +# +# UBI - Unsorted block images +# +# CONFIG_MTD_UBI is not set +# CONFIG_PARPORT is not set +CONFIG_BLK_DEV=y +# CONFIG_BLK_CPQ_DA is not set +# CONFIG_BLK_CPQ_CISS_DA is not set +# CONFIG_BLK_DEV_DAC960 is not set +# CONFIG_BLK_DEV_UMEM is not set +# CONFIG_BLK_DEV_COW_COMMON is not set +CONFIG_BLK_DEV_LOOP=y +# CONFIG_BLK_DEV_CRYPTOLOOP is not set +# CONFIG_BLK_DEV_NBD is not set +# CONFIG_BLK_DEV_SX8 is not set +# CONFIG_BLK_DEV_UB is not set +CONFIG_BLK_DEV_RAM=y +CONFIG_BLK_DEV_RAM_COUNT=16 +CONFIG_BLK_DEV_RAM_SIZE=32768 +# CONFIG_BLK_DEV_XIP is not set +# CONFIG_CDROM_PKTCDVD is not set +# CONFIG_ATA_OVER_ETH is not set +# CONFIG_BLK_DEV_HD is not set +# CONFIG_MISC_DEVICES is not set +CONFIG_HAVE_IDE=y +# CONFIG_IDE is not set + +# +# SCSI device support +# +# CONFIG_RAID_ATTRS is not set +CONFIG_SCSI=y +CONFIG_SCSI_DMA=y +# CONFIG_SCSI_TGT is not set +# CONFIG_SCSI_NETLINK is not set +# CONFIG_SCSI_PROC_FS is not set + +# +# SCSI support type (disk, tape, CD-ROM) +# +CONFIG_BLK_DEV_SD=y +# CONFIG_CHR_DEV_ST is not set +# CONFIG_CHR_DEV_OSST is not set +# CONFIG_BLK_DEV_SR is not set +# CONFIG_CHR_DEV_SG is not set +# CONFIG_CHR_DEV_SCH is not set +# CONFIG_SCSI_MULTI_LUN is not set +# CONFIG_SCSI_CONSTANTS is not set +# CONFIG_SCSI_LOGGING is not set +# CONFIG_SCSI_SCAN_ASYNC is not set +CONFIG_SCSI_WAIT_SCAN=m + +# +# SCSI Transports +# +# CONFIG_SCSI_SPI_ATTRS is not set +# CONFIG_SCSI_FC_ATTRS is not set +# CONFIG_SCSI_ISCSI_ATTRS is not set +# CONFIG_SCSI_SAS_LIBSAS is not set +# CONFIG_SCSI_SRP_ATTRS is not set +# CONFIG_SCSI_LOWLEVEL is not set +# CONFIG_SCSI_DH is not set +# CONFIG_SCSI_OSD_INITIATOR is not set +CONFIG_ATA=y +# CONFIG_ATA_NONSTANDARD is not set +CONFIG_SATA_PMP=y +# CONFIG_SATA_AHCI is not set +# CONFIG_SATA_SIL24 is not set +CONFIG_ATA_SFF=y +# CONFIG_SATA_SVW is not set +# CONFIG_ATA_PIIX is not set +# CONFIG_SATA_MV is not set +# CONFIG_SATA_NV is not set +# CONFIG_PDC_ADMA is not set +# CONFIG_SATA_QSTOR is not set +# CONFIG_SATA_PROMISE is not set +# CONFIG_SATA_SX4 is not set +# CONFIG_SATA_SIL is not set +# CONFIG_SATA_SIS is not set +# CONFIG_SATA_ULI is not set +# CONFIG_SATA_VIA is not set +# CONFIG_SATA_VITESSE is not set +# CONFIG_SATA_INIC162X is not set +# CONFIG_PATA_ALI is not set +# CONFIG_PATA_AMD is not set +# CONFIG_PATA_ARTOP is not set +# CONFIG_PATA_ATIIXP is not set +# CONFIG_PATA_CMD640_PCI is not set +# CONFIG_PATA_CMD64X is not set +# CONFIG_PATA_CS5520 is not set +# CONFIG_PATA_CS5530 is not set +# CONFIG_PATA_CYPRESS is not set +# CONFIG_PATA_EFAR is not set +# CONFIG_ATA_GENERIC is not set +# CONFIG_PATA_HPT366 is not set +# CONFIG_PATA_HPT37X is not set +# CONFIG_PATA_HPT3X2N is not set +# CONFIG_PATA_HPT3X3 is not set +# CONFIG_PATA_IT821X is not set +# CONFIG_PATA_IT8213 is not set +# CONFIG_PATA_JMICRON is not set +# CONFIG_PATA_TRIFLEX is not set +# CONFIG_PATA_MARVELL is not set +# CONFIG_PATA_MPIIX is not set +# CONFIG_PATA_OLDPIIX is not set +# CONFIG_PATA_NETCELL is not set +# CONFIG_PATA_NINJA32 is not set +# CONFIG_PATA_NS87410 is not set +# CONFIG_PATA_NS87415 is not set +# CONFIG_PATA_OPTI is not set +# CONFIG_PATA_OPTIDMA is not set +# CONFIG_PATA_PDC_OLD is not set +# CONFIG_PATA_RADISYS is not set +# CONFIG_PATA_RZ1000 is not set +# CONFIG_PATA_SC1200 is not set +# CONFIG_PATA_SERVERWORKS is not set +# CONFIG_PATA_PDC2027X is not set +# CONFIG_PATA_SIL680 is not set +# CONFIG_PATA_SIS is not set +# CONFIG_PATA_VIA is not set +# CONFIG_PATA_WINBOND is not set +# CONFIG_PATA_PLATFORM is not set +# CONFIG_PATA_SCH is not set +# CONFIG_MD is not set +# CONFIG_FUSION is not set + +# +# IEEE 1394 (FireWire) support +# + +# +# You can enable one or both FireWire driver stacks. +# + +# +# See the help texts for more information. +# +# CONFIG_FIREWIRE is not set +# CONFIG_IEEE1394 is not set +# CONFIG_I2O is not set +CONFIG_NETDEVICES=y +# CONFIG_DUMMY is not set +# CONFIG_BONDING is not set +# CONFIG_MACVLAN is not set +# CONFIG_EQUALIZER is not set +# CONFIG_TUN is not set +# CONFIG_VETH is not set +# CONFIG_ARCNET is not set +# CONFIG_PHYLIB is not set +CONFIG_NET_ETHERNET=y +CONFIG_MII=y +# CONFIG_AX88796 is not set +# CONFIG_HAPPYMEAL is not set +# CONFIG_SUNGEM is not set +# CONFIG_CASSINI is not set +# CONFIG_NET_VENDOR_3COM is not set +# CONFIG_SMC91X is not set +# CONFIG_DM9000 is not set +# CONFIG_ETHOC is not set +# CONFIG_DNET is not set +# CONFIG_NET_TULIP is not set +# CONFIG_HP100 is not set +# CONFIG_IBM_NEW_EMAC_ZMII is not set +# CONFIG_IBM_NEW_EMAC_RGMII is not set +# CONFIG_IBM_NEW_EMAC_TAH is not set +# CONFIG_IBM_NEW_EMAC_EMAC4 is not set +# CONFIG_IBM_NEW_EMAC_NO_FLOW_CTRL is not set +# CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set +# CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set +# CONFIG_NET_PCI is not set +# CONFIG_B44 is not set +# CONFIG_KS8842 is not set +# CONFIG_ATL2 is not set +CONFIG_NETDEV_1000=y +# CONFIG_ACENIC is not set +# CONFIG_DL2K is not set +# CONFIG_E1000 is not set +# CONFIG_E1000E is not set +# CONFIG_IP1000 is not set +# CONFIG_IGB is not set +# CONFIG_IGBVF is not set +# CONFIG_NS83820 is not set +# CONFIG_HAMACHI is not set +# CONFIG_YELLOWFIN is not set +# CONFIG_R8169 is not set +# CONFIG_SIS190 is not set +# CONFIG_SKGE is not set +# CONFIG_SKY2 is not set +# CONFIG_VIA_VELOCITY is not set +# CONFIG_TIGON3 is not set +# CONFIG_BNX2 is not set +# CONFIG_CNIC is not set +# CONFIG_QLA3XXX is not set +# CONFIG_ATL1 is not set +# CONFIG_ATL1E is not set +# CONFIG_ATL1C is not set +# CONFIG_JME is not set +CONFIG_NETDEV_10000=y +# CONFIG_CHELSIO_T1 is not set +CONFIG_CHELSIO_T3_DEPENDS=y +# CONFIG_CHELSIO_T3 is not set +# CONFIG_ENIC is not set +# CONFIG_IXGBE is not set +# CONFIG_IXGB is not set +# CONFIG_S2IO is not set +# CONFIG_VXGE is not set +# CONFIG_MYRI10GE is not set +# CONFIG_NETXEN_NIC is not set +# CONFIG_NIU is not set +# CONFIG_MLX4_EN is not set +# CONFIG_MLX4_CORE is not set +# CONFIG_TEHUTI is not set +# CONFIG_BNX2X is not set +# CONFIG_QLGE is not set +# CONFIG_SFC is not set +# CONFIG_BE2NET is not set +# CONFIG_TR is not set + +# +# Wireless LAN +# +# CONFIG_WLAN_PRE80211 is not set +# CONFIG_WLAN_80211 is not set + +# +# Enable WiMAX (Networking options) to see the WiMAX drivers +# + +# +# USB Network Adapters +# +# CONFIG_USB_CATC is not set +# CONFIG_USB_KAWETH is not set +# CONFIG_USB_PEGASUS is not set +CONFIG_USB_RTL8150=y +# CONFIG_USB_USBNET is not set +# CONFIG_WAN is not set +# CONFIG_FDDI is not set +# CONFIG_HIPPI is not set +# CONFIG_PPP is not set +# CONFIG_SLIP is not set +# CONFIG_NET_FC is not set +# CONFIG_NETCONSOLE is not set +# CONFIG_NETPOLL is not set +# CONFIG_NET_POLL_CONTROLLER is not set +# CONFIG_ISDN is not set +# CONFIG_PHONE is not set + +# +# Input device support +# +CONFIG_INPUT=y +# CONFIG_INPUT_FF_MEMLESS is not set +# CONFIG_INPUT_POLLDEV is not set + +# +# Userland interfaces +# +# CONFIG_INPUT_MOUSEDEV is not set +# CONFIG_INPUT_JOYDEV is not set +CONFIG_INPUT_EVDEV=y +# CONFIG_INPUT_EVBUG is not set + +# +# Input Device Drivers +# +# CONFIG_INPUT_KEYBOARD is not set +# CONFIG_INPUT_MOUSE is not set +# CONFIG_INPUT_JOYSTICK is not set +# CONFIG_INPUT_TABLET is not set +# CONFIG_INPUT_TOUCHSCREEN is not set +# CONFIG_INPUT_MISC is not set + +# +# Hardware I/O ports +# +# CONFIG_SERIO is not set +# CONFIG_GAMEPORT is not set + +# +# Character devices +# +# CONFIG_VT is not set +# CONFIG_DEVKMEM is not set +# CONFIG_SERIAL_NONSTANDARD is not set +# CONFIG_NOZOMI is not set + +# +# Serial drivers +# +# CONFIG_SERIAL_8250 is not set + +# +# Non-8250 serial port support +# +# CONFIG_SERIAL_JSM is not set +CONFIG_UNIX98_PTYS=y +# CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set +# CONFIG_LEGACY_PTYS is not set +# CONFIG_IPMI_HANDLER is not set +# CONFIG_HW_RANDOM is not set +# CONFIG_R3964 is not set +# CONFIG_APPLICOM is not set +# CONFIG_RAW_DRIVER is not set +# CONFIG_TCG_TPM is not set +CONFIG_DEVPORT=y +# CONFIG_I2C is not set +# CONFIG_SPI is not set + +# +# PPS support +# +# CONFIG_PPS is not set +# CONFIG_W1 is not set +# CONFIG_POWER_SUPPLY is not set +# CONFIG_HWMON is not set +# CONFIG_THERMAL is not set +# CONFIG_THERMAL_HWMON is not set +# CONFIG_WATCHDOG is not set +CONFIG_SSB_POSSIBLE=y + +# +# Sonics Silicon Backplane +# +# CONFIG_SSB is not set + +# +# Multifunction device drivers +# +# CONFIG_MFD_CORE is not set +# CONFIG_MFD_SM501 is not set +# CONFIG_HTC_PASIC3 is not set +# CONFIG_MFD_TMIO is not set +# CONFIG_REGULATOR is not set +# CONFIG_MEDIA_SUPPORT is not set + +# +# Graphics support +# +# CONFIG_DRM is not set +# CONFIG_VGASTATE is not set +# CONFIG_VIDEO_OUTPUT_CONTROL is not set +# CONFIG_FB is not set +# CONFIG_BACKLIGHT_LCD_SUPPORT is not set + +# +# Display device support +# +# CONFIG_DISPLAY_SUPPORT is not set +# CONFIG_SOUND is not set +CONFIG_HID_SUPPORT=y +CONFIG_HID=y +# CONFIG_HID_DEBUG is not set +# CONFIG_HIDRAW is not set + +# +# USB Input Devices +# +CONFIG_USB_HID=y +# CONFIG_HID_PID is not set +CONFIG_USB_HIDDEV=y + +# +# Special HID drivers +# +# CONFIG_HID_A4TECH is not set +# CONFIG_HID_APPLE is not set +# CONFIG_HID_BELKIN is not set +# CONFIG_HID_CHERRY is not set +# CONFIG_HID_CHICONY is not set +# CONFIG_HID_CYPRESS is not set +# CONFIG_HID_DRAGONRISE is not set +# CONFIG_HID_EZKEY is not set +# CONFIG_HID_KYE is not set +# CONFIG_HID_GYRATION is not set +# CONFIG_HID_KENSINGTON is not set +# CONFIG_HID_LOGITECH is not set +# CONFIG_HID_MICROSOFT is not set +# CONFIG_HID_MONTEREY is not set +# CONFIG_HID_NTRIG is not set +# CONFIG_HID_PANTHERLORD is not set +# CONFIG_HID_PETALYNX is not set +# CONFIG_HID_SAMSUNG is not set +# CONFIG_HID_SONY is not set +# CONFIG_HID_SUNPLUS is not set +# CONFIG_HID_GREENASIA is not set +# CONFIG_HID_SMARTJOYPLUS is not set +# CONFIG_HID_TOPSEED is not set +# CONFIG_HID_THRUSTMASTER is not set +# CONFIG_HID_ZEROPLUS is not set +CONFIG_USB_SUPPORT=y +CONFIG_USB_ARCH_HAS_HCD=y +CONFIG_USB_ARCH_HAS_OHCI=y +CONFIG_USB_ARCH_HAS_EHCI=y +CONFIG_USB=y +# CONFIG_USB_DEBUG is not set +CONFIG_USB_ANNOUNCE_NEW_DEVICES=y + +# +# Miscellaneous USB options +# +CONFIG_USB_DEVICEFS=y +# CONFIG_USB_DEVICE_CLASS is not set +# CONFIG_USB_DYNAMIC_MINORS is not set +# CONFIG_USB_OTG is not set +# CONFIG_USB_OTG_WHITELIST is not set +# CONFIG_USB_OTG_BLACKLIST_HUB is not set +# CONFIG_USB_MON is not set +# CONFIG_USB_WUSB is not set +# CONFIG_USB_WUSB_CBAF is not set + +# +# USB Host Controller Drivers +# +# CONFIG_USB_C67X00_HCD is not set +# CONFIG_USB_XHCI_HCD is not set +CONFIG_USB_EHCI_HCD=y +# CONFIG_USB_EHCI_ROOT_HUB_TT is not set +# CONFIG_USB_EHCI_TT_NEWSCHED is not set +# CONFIG_USB_OXU210HP_HCD is not set +# CONFIG_USB_ISP116X_HCD is not set +# CONFIG_USB_ISP1760_HCD is not set +CONFIG_USB_OHCI_HCD=y +# CONFIG_USB_OHCI_BIG_ENDIAN_DESC is not set +# CONFIG_USB_OHCI_BIG_ENDIAN_MMIO is not set +CONFIG_USB_OHCI_LITTLE_ENDIAN=y +# CONFIG_USB_UHCI_HCD is not set +# CONFIG_USB_SL811_HCD is not set +# CONFIG_USB_R8A66597_HCD is not set +# CONFIG_USB_WHCI_HCD is not set +# CONFIG_USB_HWA_HCD is not set + +# +# USB Device Class drivers +# +# CONFIG_USB_ACM is not set +# CONFIG_USB_PRINTER is not set +# CONFIG_USB_WDM is not set +# CONFIG_USB_TMC is not set + +# +# NOTE: USB_STORAGE depends on SCSI but BLK_DEV_SD may +# + +# +# also be needed; see USB_STORAGE Help for more info +# +CONFIG_USB_STORAGE=y +# CONFIG_USB_STORAGE_DEBUG is not set +# CONFIG_USB_STORAGE_DATAFAB is not set +# CONFIG_USB_STORAGE_FREECOM is not set +# CONFIG_USB_STORAGE_ISD200 is not set +# CONFIG_USB_STORAGE_USBAT is not set +# CONFIG_USB_STORAGE_SDDR09 is not set +# CONFIG_USB_STORAGE_SDDR55 is not set +# CONFIG_USB_STORAGE_JUMPSHOT is not set +# CONFIG_USB_STORAGE_ALAUDA is not set +# CONFIG_USB_STORAGE_ONETOUCH is not set +# CONFIG_USB_STORAGE_KARMA is not set +# CONFIG_USB_STORAGE_CYPRESS_ATACB is not set +# CONFIG_USB_LIBUSUAL is not set + +# +# USB Imaging devices +# +# CONFIG_USB_MDC800 is not set +# CONFIG_USB_MICROTEK is not set + +# +# USB port drivers +# +CONFIG_USB_SERIAL=y +CONFIG_USB_SERIAL_CONSOLE=y +# CONFIG_USB_EZUSB is not set +# CONFIG_USB_SERIAL_GENERIC is not set +# CONFIG_USB_SERIAL_AIRCABLE is not set +# CONFIG_USB_SERIAL_ARK3116 is not set +# CONFIG_USB_SERIAL_BELKIN is not set +# CONFIG_USB_SERIAL_CH341 is not set +# CONFIG_USB_SERIAL_WHITEHEAT is not set +# CONFIG_USB_SERIAL_DIGI_ACCELEPORT is not set +CONFIG_USB_SERIAL_CP210X=y +# CONFIG_USB_SERIAL_CYPRESS_M8 is not set +# CONFIG_USB_SERIAL_EMPEG is not set +# CONFIG_USB_SERIAL_FTDI_SIO is not set +# CONFIG_USB_SERIAL_FUNSOFT is not set +# CONFIG_USB_SERIAL_VISOR is not set +# CONFIG_USB_SERIAL_IPAQ is not set +# CONFIG_USB_SERIAL_IR is not set +# CONFIG_USB_SERIAL_EDGEPORT is not set +# CONFIG_USB_SERIAL_EDGEPORT_TI is not set +# CONFIG_USB_SERIAL_GARMIN is not set +# CONFIG_USB_SERIAL_IPW is not set +# CONFIG_USB_SERIAL_IUU is not set +# CONFIG_USB_SERIAL_KEYSPAN_PDA is not set +# CONFIG_USB_SERIAL_KEYSPAN is not set +# CONFIG_USB_SERIAL_KLSI is not set +# CONFIG_USB_SERIAL_KOBIL_SCT is not set +# CONFIG_USB_SERIAL_MCT_U232 is not set +# CONFIG_USB_SERIAL_MOS7720 is not set +# CONFIG_USB_SERIAL_MOS7840 is not set +# CONFIG_USB_SERIAL_MOTOROLA is not set +# CONFIG_USB_SERIAL_NAVMAN is not set +# CONFIG_USB_SERIAL_PL2303 is not set +# CONFIG_USB_SERIAL_OTI6858 is not set +# CONFIG_USB_SERIAL_QUALCOMM is not set +# CONFIG_USB_SERIAL_SPCP8X5 is not set +# CONFIG_USB_SERIAL_HP4X is not set +# CONFIG_USB_SERIAL_SAFE is not set +# CONFIG_USB_SERIAL_SIEMENS_MPI is not set +# CONFIG_USB_SERIAL_SIERRAWIRELESS is not set +# CONFIG_USB_SERIAL_SYMBOL is not set +# CONFIG_USB_SERIAL_TI is not set +# CONFIG_USB_SERIAL_CYBERJACK is not set +# CONFIG_USB_SERIAL_XIRCOM is not set +# CONFIG_USB_SERIAL_OPTION is not set +# CONFIG_USB_SERIAL_OMNINET is not set +# CONFIG_USB_SERIAL_OPTICON is not set +# CONFIG_USB_SERIAL_DEBUG is not set + +# +# USB Miscellaneous drivers +# +# CONFIG_USB_EMI62 is not set +# CONFIG_USB_EMI26 is not set +# CONFIG_USB_ADUTUX is not set +# CONFIG_USB_SEVSEG is not set +# CONFIG_USB_RIO500 is not set +# CONFIG_USB_LEGOTOWER is not set +# CONFIG_USB_LCD is not set +# CONFIG_USB_BERRY_CHARGE is not set +# CONFIG_USB_LED is not set +# CONFIG_USB_CYPRESS_CY7C63 is not set +# CONFIG_USB_CYTHERM is not set +# CONFIG_USB_IDMOUSE is not set +# CONFIG_USB_FTDI_ELAN is not set +# CONFIG_USB_APPLEDISPLAY is not set +# CONFIG_USB_SISUSBVGA is not set +# CONFIG_USB_LD is not set +# CONFIG_USB_TRANCEVIBRATOR is not set +# CONFIG_USB_IOWARRIOR is not set +# CONFIG_USB_TEST is not set +# CONFIG_USB_ISIGHTFW is not set +# CONFIG_USB_VST is not set +# CONFIG_USB_GADGET is not set + +# +# OTG and related infrastructure +# +# CONFIG_NOP_USB_XCEIV is not set +# CONFIG_UWB is not set +# CONFIG_MMC is not set +# CONFIG_MEMSTICK is not set +# CONFIG_NEW_LEDS is not set +# CONFIG_ACCESSIBILITY is not set +# CONFIG_INFINIBAND is not set +CONFIG_RTC_LIB=y +# CONFIG_RTC_CLASS is not set +# CONFIG_DMADEVICES is not set +# CONFIG_AUXDISPLAY is not set +# CONFIG_UIO is not set + +# +# TI VLYNQ +# +# CONFIG_STAGING is not set + +# +# File systems +# +CONFIG_EXT2_FS=y +# CONFIG_EXT2_FS_XATTR is not set +# CONFIG_EXT2_FS_XIP is not set +CONFIG_EXT3_FS=y +# CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set +# CONFIG_EXT3_FS_XATTR is not set +# CONFIG_EXT4_FS is not set +CONFIG_JBD=y +# CONFIG_JBD_DEBUG is not set +# CONFIG_REISERFS_FS is not set +# CONFIG_JFS_FS is not set +# CONFIG_FS_POSIX_ACL is not set +# CONFIG_XFS_FS is not set +# CONFIG_GFS2_FS is not set +# CONFIG_OCFS2_FS is not set +# CONFIG_BTRFS_FS is not set +CONFIG_FILE_LOCKING=y +CONFIG_FSNOTIFY=y +# CONFIG_DNOTIFY is not set +CONFIG_INOTIFY=y +CONFIG_INOTIFY_USER=y +# CONFIG_QUOTA is not set +# CONFIG_AUTOFS_FS is not set +# CONFIG_AUTOFS4_FS is not set +CONFIG_FUSE_FS=y +# CONFIG_CUSE is not set + +# +# Caches +# +# CONFIG_FSCACHE is not set + +# +# CD-ROM/DVD Filesystems +# +# CONFIG_ISO9660_FS is not set +# CONFIG_UDF_FS is not set + +# +# DOS/FAT/NT Filesystems +# +# CONFIG_MSDOS_FS is not set +# CONFIG_VFAT_FS is not set +# CONFIG_NTFS_FS is not set + +# +# Pseudo filesystems +# +CONFIG_PROC_FS=y +CONFIG_PROC_KCORE=y +CONFIG_PROC_SYSCTL=y +CONFIG_PROC_PAGE_MONITOR=y +CONFIG_SYSFS=y +CONFIG_TMPFS=y +# CONFIG_TMPFS_POSIX_ACL is not set +# CONFIG_HUGETLB_PAGE is not set +# CONFIG_CONFIGFS_FS is not set +CONFIG_MISC_FILESYSTEMS=y +# CONFIG_ADFS_FS is not set +# CONFIG_AFFS_FS is not set +# CONFIG_HFS_FS is not set +# CONFIG_HFSPLUS_FS is not set +# CONFIG_BEFS_FS is not set +# CONFIG_BFS_FS is not set +# CONFIG_EFS_FS is not set +CONFIG_JFFS2_FS=y +CONFIG_JFFS2_FS_DEBUG=0 +CONFIG_JFFS2_FS_WRITEBUFFER=y +# CONFIG_JFFS2_FS_WBUF_VERIFY is not set +# CONFIG_JFFS2_SUMMARY is not set +# CONFIG_JFFS2_FS_XATTR is not set +# CONFIG_JFFS2_COMPRESSION_OPTIONS is not set +CONFIG_JFFS2_ZLIB=y +# CONFIG_JFFS2_LZO is not set +CONFIG_JFFS2_RTIME=y +# CONFIG_JFFS2_RUBIN is not set +CONFIG_CRAMFS=y +# CONFIG_SQUASHFS is not set +# CONFIG_VXFS_FS is not set +# CONFIG_MINIX_FS is not set +# CONFIG_OMFS_FS is not set +# CONFIG_HPFS_FS is not set +# CONFIG_QNX4FS_FS is not set +# CONFIG_ROMFS_FS is not set +# CONFIG_SYSV_FS is not set +# CONFIG_UFS_FS is not set +# CONFIG_NILFS2_FS is not set +CONFIG_NETWORK_FILESYSTEMS=y +CONFIG_NFS_FS=y +CONFIG_NFS_V3=y +# CONFIG_NFS_V3_ACL is not set +# CONFIG_NFS_V4 is not set +CONFIG_ROOT_NFS=y +# CONFIG_NFSD is not set +CONFIG_LOCKD=y +CONFIG_LOCKD_V4=y +CONFIG_NFS_COMMON=y +CONFIG_SUNRPC=y +# CONFIG_RPCSEC_GSS_KRB5 is not set +# CONFIG_RPCSEC_GSS_SPKM3 is not set +# CONFIG_SMB_FS is not set +# CONFIG_CIFS is not set +# CONFIG_NCP_FS is not set +# CONFIG_CODA_FS is not set +# CONFIG_AFS_FS is not set + +# +# Partition Types +# +# CONFIG_PARTITION_ADVANCED is not set +CONFIG_MSDOS_PARTITION=y +CONFIG_NLS=y +CONFIG_NLS_DEFAULT="iso8859-1" +# CONFIG_NLS_CODEPAGE_437 is not set +# CONFIG_NLS_CODEPAGE_737 is not set +# CONFIG_NLS_CODEPAGE_775 is not set +# CONFIG_NLS_CODEPAGE_850 is not set +# CONFIG_NLS_CODEPAGE_852 is not set +# CONFIG_NLS_CODEPAGE_855 is not set +# CONFIG_NLS_CODEPAGE_857 is not set +# CONFIG_NLS_CODEPAGE_860 is not set +# CONFIG_NLS_CODEPAGE_861 is not set +# CONFIG_NLS_CODEPAGE_862 is not set +# CONFIG_NLS_CODEPAGE_863 is not set +# CONFIG_NLS_CODEPAGE_864 is not set +# CONFIG_NLS_CODEPAGE_865 is not set +# CONFIG_NLS_CODEPAGE_866 is not set +# CONFIG_NLS_CODEPAGE_869 is not set +# CONFIG_NLS_CODEPAGE_936 is not set +# CONFIG_NLS_CODEPAGE_950 is not set +# CONFIG_NLS_CODEPAGE_932 is not set +# CONFIG_NLS_CODEPAGE_949 is not set +# CONFIG_NLS_CODEPAGE_874 is not set +# CONFIG_NLS_ISO8859_8 is not set +# CONFIG_NLS_CODEPAGE_1250 is not set +# CONFIG_NLS_CODEPAGE_1251 is not set +# CONFIG_NLS_ASCII is not set +# CONFIG_NLS_ISO8859_1 is not set +# CONFIG_NLS_ISO8859_2 is not set +# CONFIG_NLS_ISO8859_3 is not set +# CONFIG_NLS_ISO8859_4 is not set +# CONFIG_NLS_ISO8859_5 is not set +# CONFIG_NLS_ISO8859_6 is not set +# CONFIG_NLS_ISO8859_7 is not set +# CONFIG_NLS_ISO8859_9 is not set +# CONFIG_NLS_ISO8859_13 is not set +# CONFIG_NLS_ISO8859_14 is not set +# CONFIG_NLS_ISO8859_15 is not set +# CONFIG_NLS_KOI8_R is not set +# CONFIG_NLS_KOI8_U is not set +# CONFIG_NLS_UTF8 is not set +# CONFIG_DLM is not set + +# +# Kernel hacking +# +CONFIG_TRACE_IRQFLAGS_SUPPORT=y +CONFIG_PRINTK_TIME=y +CONFIG_ENABLE_WARN_DEPRECATED=y +CONFIG_ENABLE_MUST_CHECK=y +CONFIG_FRAME_WARN=1024 +# CONFIG_MAGIC_SYSRQ is not set +# CONFIG_UNUSED_SYMBOLS is not set +CONFIG_DEBUG_FS=y +# CONFIG_HEADERS_CHECK is not set +CONFIG_DEBUG_KERNEL=y +# CONFIG_DEBUG_SHIRQ is not set +CONFIG_DETECT_SOFTLOCKUP=y +# CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC is not set +CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC_VALUE=0 +CONFIG_DETECT_HUNG_TASK=y +# CONFIG_BOOTPARAM_HUNG_TASK_PANIC is not set +CONFIG_BOOTPARAM_HUNG_TASK_PANIC_VALUE=0 +# CONFIG_SCHED_DEBUG is not set +# CONFIG_SCHEDSTATS is not set +# CONFIG_TIMER_STATS is not set +# CONFIG_DEBUG_OBJECTS is not set +# CONFIG_DEBUG_PREEMPT is not set +# CONFIG_DEBUG_RT_MUTEXES is not set +# CONFIG_RT_MUTEX_TESTER is not set +# CONFIG_DEBUG_SPINLOCK is not set +# CONFIG_DEBUG_MUTEXES is not set +# CONFIG_DEBUG_LOCK_ALLOC is not set +# CONFIG_PROVE_LOCKING is not set +# CONFIG_LOCK_STAT is not set +# CONFIG_DEBUG_SPINLOCK_SLEEP is not set +# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set +# CONFIG_DEBUG_KOBJECT is not set +CONFIG_DEBUG_INFO=y +# CONFIG_DEBUG_VM is not set +# CONFIG_DEBUG_WRITECOUNT is not set +# CONFIG_DEBUG_MEMORY_INIT is not set +# CONFIG_DEBUG_LIST is not set +# CONFIG_DEBUG_SG is not set +# CONFIG_DEBUG_NOTIFIERS is not set +# CONFIG_BOOT_PRINTK_DELAY is not set +# CONFIG_RCU_TORTURE_TEST is not set +# CONFIG_RCU_CPU_STALL_DETECTOR is not set +# CONFIG_BACKTRACE_SELF_TEST is not set +# CONFIG_DEBUG_BLOCK_EXT_DEVT is not set +# CONFIG_FAULT_INJECTION is not set +# CONFIG_PAGE_POISONING is not set +CONFIG_TRACING_SUPPORT=y +CONFIG_FTRACE=y +# CONFIG_IRQSOFF_TRACER is not set +# CONFIG_PREEMPT_TRACER is not set +# CONFIG_SCHED_TRACER is not set +# CONFIG_ENABLE_DEFAULT_TRACERS is not set +# CONFIG_BOOT_TRACER is not set +CONFIG_BRANCH_PROFILE_NONE=y +# CONFIG_PROFILE_ANNOTATED_BRANCHES is not set +# CONFIG_PROFILE_ALL_BRANCHES is not set +# CONFIG_KMEMTRACE is not set +# CONFIG_WORKQUEUE_TRACER is not set +# CONFIG_BLK_DEV_IO_TRACE is not set +# CONFIG_DYNAMIC_DEBUG is not set +# CONFIG_SAMPLES is not set +CONFIG_HAVE_ARCH_KGDB=y +# CONFIG_KGDB is not set +# CONFIG_KMEMCHECK is not set +CONFIG_CMDLINE_BOOL=y +CONFIG_CMDLINE="rw dhash_entries=1024 ihash_entries=1024 ip=10.0.1.3:10.0.1.1:10.0.1.1:255.255.255.0:zeus:eth0: root=/dev/nfs nfsroot=/nfsroot/cramfs,wsize=512,rsize=512,tcp nokgdb console=ttyUSB0,115200 memsize=252M" +# CONFIG_CMDLINE_OVERRIDE is not set +# CONFIG_DEBUG_STACK_USAGE is not set +# CONFIG_RUNTIME_DEBUG is not set + +# +# Security options +# +# CONFIG_KEYS is not set +# CONFIG_SECURITY is not set +# CONFIG_SECURITYFS is not set +# CONFIG_SECURITY_FILE_CAPABILITIES is not set +CONFIG_CRYPTO=y + +# +# Crypto core or helper +# +# CONFIG_CRYPTO_FIPS is not set +CONFIG_CRYPTO_ALGAPI=y +CONFIG_CRYPTO_ALGAPI2=y +CONFIG_CRYPTO_AEAD=y +CONFIG_CRYPTO_AEAD2=y +CONFIG_CRYPTO_BLKCIPHER=y +CONFIG_CRYPTO_BLKCIPHER2=y +CONFIG_CRYPTO_HASH=y +CONFIG_CRYPTO_HASH2=y +CONFIG_CRYPTO_RNG2=y +CONFIG_CRYPTO_PCOMP=y +CONFIG_CRYPTO_MANAGER=y +CONFIG_CRYPTO_MANAGER2=y +# CONFIG_CRYPTO_GF128MUL is not set +# CONFIG_CRYPTO_NULL is not set +CONFIG_CRYPTO_WORKQUEUE=y +# CONFIG_CRYPTO_CRYPTD is not set +CONFIG_CRYPTO_AUTHENC=y +# CONFIG_CRYPTO_TEST is not set + +# +# Authenticated Encryption with Associated Data +# +# CONFIG_CRYPTO_CCM is not set +# CONFIG_CRYPTO_GCM is not set +# CONFIG_CRYPTO_SEQIV is not set + +# +# Block modes +# +CONFIG_CRYPTO_CBC=y +# CONFIG_CRYPTO_CTR is not set +# CONFIG_CRYPTO_CTS is not set +# CONFIG_CRYPTO_ECB is not set +# CONFIG_CRYPTO_LRW is not set +# CONFIG_CRYPTO_PCBC is not set +# CONFIG_CRYPTO_XTS is not set + +# +# Hash modes +# +CONFIG_CRYPTO_HMAC=y +# CONFIG_CRYPTO_XCBC is not set + +# +# Digest +# +# CONFIG_CRYPTO_CRC32C is not set +# CONFIG_CRYPTO_MD4 is not set +CONFIG_CRYPTO_MD5=y +# CONFIG_CRYPTO_MICHAEL_MIC is not set +# CONFIG_CRYPTO_RMD128 is not set +# CONFIG_CRYPTO_RMD160 is not set +# CONFIG_CRYPTO_RMD256 is not set +# CONFIG_CRYPTO_RMD320 is not set +CONFIG_CRYPTO_SHA1=y +# CONFIG_CRYPTO_SHA256 is not set +# CONFIG_CRYPTO_SHA512 is not set +# CONFIG_CRYPTO_TGR192 is not set +# CONFIG_CRYPTO_WP512 is not set + +# +# Ciphers +# +# CONFIG_CRYPTO_AES is not set +# CONFIG_CRYPTO_ANUBIS is not set +# CONFIG_CRYPTO_ARC4 is not set +# CONFIG_CRYPTO_BLOWFISH is not set +# CONFIG_CRYPTO_CAMELLIA is not set +# CONFIG_CRYPTO_CAST5 is not set +# CONFIG_CRYPTO_CAST6 is not set +CONFIG_CRYPTO_DES=y +# CONFIG_CRYPTO_FCRYPT is not set +# CONFIG_CRYPTO_KHAZAD is not set +# CONFIG_CRYPTO_SALSA20 is not set +# CONFIG_CRYPTO_SEED is not set +# CONFIG_CRYPTO_SERPENT is not set +# CONFIG_CRYPTO_TEA is not set +# CONFIG_CRYPTO_TWOFISH is not set + +# +# Compression +# +CONFIG_CRYPTO_DEFLATE=y +# CONFIG_CRYPTO_ZLIB is not set +# CONFIG_CRYPTO_LZO is not set + +# +# Random Number Generation +# +# CONFIG_CRYPTO_ANSI_CPRNG is not set +# CONFIG_CRYPTO_HW is not set +# CONFIG_BINARY_PRINTF is not set + +# +# Library routines +# +CONFIG_BITREVERSE=y +CONFIG_GENERIC_FIND_LAST_BIT=y +# CONFIG_CRC_CCITT is not set +# CONFIG_CRC16 is not set +# CONFIG_CRC_T10DIF is not set +# CONFIG_CRC_ITU_T is not set +CONFIG_CRC32=y +# CONFIG_CRC7 is not set +# CONFIG_LIBCRC32C is not set +CONFIG_ZLIB_INFLATE=y +CONFIG_ZLIB_DEFLATE=y +CONFIG_HAS_IOMEM=y +CONFIG_HAS_IOPORT=y +CONFIG_HAS_DMA=y +CONFIG_NLATTR=y diff --git a/arch/mips/configs/rb532_defconfig b/arch/mips/configs/rb532_defconfig index f40c3a04739..57a50483abd 100644 --- a/arch/mips/configs/rb532_defconfig +++ b/arch/mips/configs/rb532_defconfig @@ -9,7 +9,6 @@ CONFIG_MIPS=y # Machine selection # # CONFIG_MACH_ALCHEMY is not set -# CONFIG_BASLER_EXCITE is not set # CONFIG_BCM47XX is not set # CONFIG_MIPS_COBALT is not set # CONFIG_MACH_DECSTATION is not set @@ -1204,7 +1203,7 @@ CONFIG_FRAME_WARN=1024 # CONFIG_HEADERS_CHECK is not set # CONFIG_DEBUG_KERNEL is not set # CONFIG_SAMPLES is not set -CONFIG_CMDLINE="" +# CONFIG_CMDLINE_BOOL is not set # # Security options diff --git a/arch/mips/configs/rbtx49xx_defconfig b/arch/mips/configs/rbtx49xx_defconfig index 6c6a19aebe1..21c2022d46e 100644 --- a/arch/mips/configs/rbtx49xx_defconfig +++ b/arch/mips/configs/rbtx49xx_defconfig @@ -10,7 +10,6 @@ CONFIG_MIPS=y # # CONFIG_MACH_ALCHEMY is not set # CONFIG_AR7 is not set -# CONFIG_BASLER_EXCITE is not set # CONFIG_BCM47XX is not set # CONFIG_BCM63XX is not set # CONFIG_MIPS_COBALT is not set @@ -284,7 +283,6 @@ CONFIG_DEFAULT_AS=y # CONFIG_DEFAULT_CFQ is not set # CONFIG_DEFAULT_NOOP is not set CONFIG_DEFAULT_IOSCHED="anticipatory" -# CONFIG_PROBE_INITRD_HEADER is not set # CONFIG_FREEZER is not set # @@ -1063,7 +1061,7 @@ CONFIG_TRACING_SUPPORT=y # CONFIG_DYNAMIC_DEBUG is not set # CONFIG_SAMPLES is not set CONFIG_HAVE_ARCH_KGDB=y -CONFIG_CMDLINE="" +# CONFIG_CMDLINE_BOOL is not set # # Security options diff --git a/arch/mips/configs/rm200_defconfig b/arch/mips/configs/rm200_defconfig index e53b8d096cf..79036289003 100644 --- a/arch/mips/configs/rm200_defconfig +++ b/arch/mips/configs/rm200_defconfig @@ -22,7 +22,6 @@ CONFIG_ZONE_DMA=y # CONFIG_MIPS_DB1550 is not set # CONFIG_MIPS_DB1200 is not set # CONFIG_MIPS_MIRAGE is not set -# CONFIG_BASLER_EXCITE is not set # CONFIG_MIPS_COBALT is not set # CONFIG_MACH_DECSTATION is not set # CONFIG_MACH_JAZZ is not set @@ -1694,7 +1693,7 @@ CONFIG_ENABLE_MUST_CHECK=y # CONFIG_DEBUG_KERNEL is not set CONFIG_LOG_BUF_SHIFT=14 CONFIG_CROSSCOMPILE=y -CONFIG_CMDLINE="" +# CONFIG_CMDLINE_BOOL is not set # # Security options diff --git a/arch/mips/configs/sb1250-swarm_defconfig b/arch/mips/configs/sb1250-swarm_defconfig index 7f38c0b956f..7f07bf02b83 100644 --- a/arch/mips/configs/sb1250-swarm_defconfig +++ b/arch/mips/configs/sb1250-swarm_defconfig @@ -9,7 +9,6 @@ CONFIG_MIPS=y # Machine selection # # CONFIG_MACH_ALCHEMY is not set -# CONFIG_BASLER_EXCITE is not set # CONFIG_BCM47XX is not set # CONFIG_MIPS_COBALT is not set # CONFIG_MACH_DECSTATION is not set @@ -961,7 +960,7 @@ CONFIG_ENABLE_MUST_CHECK=y # CONFIG_HEADERS_CHECK is not set # CONFIG_DEBUG_KERNEL is not set # CONFIG_SAMPLES is not set -CONFIG_CMDLINE="" +# CONFIG_CMDLINE_BOOL is not set # CONFIG_SB1XXX_CORELIS is not set # diff --git a/arch/mips/configs/tb0219_defconfig b/arch/mips/configs/tb0219_defconfig index b5059881bc7..c54d1128f9a 100644 --- a/arch/mips/configs/tb0219_defconfig +++ b/arch/mips/configs/tb0219_defconfig @@ -9,7 +9,6 @@ CONFIG_MIPS=y # Machine selection # # CONFIG_MACH_ALCHEMY is not set -# CONFIG_BASLER_EXCITE is not set # CONFIG_BCM47XX is not set # CONFIG_MIPS_COBALT is not set # CONFIG_MACH_DECSTATION is not set @@ -892,7 +891,9 @@ CONFIG_FRAME_WARN=1024 # CONFIG_HEADERS_CHECK is not set # CONFIG_DEBUG_KERNEL is not set # CONFIG_SAMPLES is not set +CONFIG_CMDLINE_BOOL=y CONFIG_CMDLINE="cca=3 mem=64M console=ttyVR0,115200 ip=any root=/dev/nfs" +# CONFIG_CMDLINE_OVERRIDE is not set # # Security options diff --git a/arch/mips/configs/tb0226_defconfig b/arch/mips/configs/tb0226_defconfig index b06a716bf23..e7c5cd32a2b 100644 --- a/arch/mips/configs/tb0226_defconfig +++ b/arch/mips/configs/tb0226_defconfig @@ -9,7 +9,6 @@ CONFIG_MIPS=y # Machine selection # # CONFIG_MACH_ALCHEMY is not set -# CONFIG_BASLER_EXCITE is not set # CONFIG_BCM47XX is not set # CONFIG_MIPS_COBALT is not set # CONFIG_MACH_DECSTATION is not set @@ -895,7 +894,9 @@ CONFIG_FRAME_WARN=1024 # CONFIG_HEADERS_CHECK is not set # CONFIG_DEBUG_KERNEL is not set # CONFIG_SAMPLES is not set +CONFIG_CMDLINE_BOOL=y CONFIG_CMDLINE="cca=3 mem=32M console=ttyVR0,115200" +# CONFIG_CMDLINE_OVERRIDE is not set # # Security options diff --git a/arch/mips/configs/tb0287_defconfig b/arch/mips/configs/tb0287_defconfig index 46512cf7ce0..b50032ba4d0 100644 --- a/arch/mips/configs/tb0287_defconfig +++ b/arch/mips/configs/tb0287_defconfig @@ -9,7 +9,6 @@ CONFIG_MIPS=y # Machine selection # # CONFIG_MACH_ALCHEMY is not set -# CONFIG_BASLER_EXCITE is not set # CONFIG_BCM47XX is not set # CONFIG_MIPS_COBALT is not set # CONFIG_MACH_DECSTATION is not set @@ -1077,7 +1076,9 @@ CONFIG_FRAME_WARN=1024 # CONFIG_HEADERS_CHECK is not set # CONFIG_DEBUG_KERNEL is not set # CONFIG_SAMPLES is not set +CONFIG_CMDLINE_BOOL=y CONFIG_CMDLINE="cca=3 mem=64M console=ttyVR0,115200 ip=any root=/dev/nfs" +# CONFIG_CMDLINE_OVERRIDE is not set # # Security options diff --git a/arch/mips/configs/workpad_defconfig b/arch/mips/configs/workpad_defconfig index b437eb7f867..c02ba08b69a 100644 --- a/arch/mips/configs/workpad_defconfig +++ b/arch/mips/configs/workpad_defconfig @@ -9,7 +9,6 @@ CONFIG_MIPS=y # Machine selection # # CONFIG_MACH_ALCHEMY is not set -# CONFIG_BASLER_EXCITE is not set # CONFIG_MIPS_COBALT is not set # CONFIG_MACH_DECSTATION is not set # CONFIG_MACH_JAZZ is not set @@ -755,7 +754,9 @@ CONFIG_ENABLE_MUST_CHECK=y # CONFIG_HEADERS_CHECK is not set # CONFIG_DEBUG_KERNEL is not set CONFIG_CROSSCOMPILE=y +CONFIG_CMDLINE_BOOL=y CONFIG_CMDLINE="console=ttyVR0,19200 ide0=0x170,0x376,49 mem=16M" +# CONFIG_CMDLINE_OVERRIDE is not set # # Security options diff --git a/arch/mips/configs/wrppmc_defconfig b/arch/mips/configs/wrppmc_defconfig index 06acc7482e4..a35bc41389e 100644 --- a/arch/mips/configs/wrppmc_defconfig +++ b/arch/mips/configs/wrppmc_defconfig @@ -22,7 +22,6 @@ CONFIG_ZONE_DMA=y # CONFIG_MIPS_DB1550 is not set # CONFIG_MIPS_DB1200 is not set # CONFIG_MIPS_MIRAGE is not set -# CONFIG_BASLER_EXCITE is not set # CONFIG_MIPS_COBALT is not set # CONFIG_MACH_DECSTATION is not set # CONFIG_MACH_JAZZ is not set @@ -887,7 +886,9 @@ CONFIG_ENABLE_MUST_CHECK=y # CONFIG_DEBUG_KERNEL is not set CONFIG_LOG_BUF_SHIFT=14 CONFIG_CROSSCOMPILE=y +CONFIG_CMDLINE_BOOL=y CONFIG_CMDLINE="console=ttyS0,115200n8" +# CONFIG_CMDLINE_OVERRIDE is not set # # Security options diff --git a/arch/mips/configs/yosemite_defconfig b/arch/mips/configs/yosemite_defconfig index 69feaf88b51..e3d68d651e7 100644 --- a/arch/mips/configs/yosemite_defconfig +++ b/arch/mips/configs/yosemite_defconfig @@ -22,7 +22,6 @@ CONFIG_ZONE_DMA=y # CONFIG_MIPS_DB1550 is not set # CONFIG_MIPS_DB1200 is not set # CONFIG_MIPS_MIRAGE is not set -# CONFIG_BASLER_EXCITE is not set # CONFIG_MIPS_COBALT is not set # CONFIG_MACH_DECSTATION is not set # CONFIG_MACH_JAZZ is not set @@ -824,7 +823,7 @@ CONFIG_DEBUG_MUTEXES=y CONFIG_FORCED_INLINING=y # CONFIG_RCU_TORTURE_TEST is not set CONFIG_CROSSCOMPILE=y -CONFIG_CMDLINE="" +# CONFIG_CMDLINE_BOOL is not set # CONFIG_DEBUG_STACK_USAGE is not set # CONFIG_RUNTIME_DEBUG is not set diff --git a/arch/mips/fw/arc/cmdline.c b/arch/mips/fw/arc/cmdline.c index 4ca4eef934a..5c8603c85f2 100644 --- a/arch/mips/fw/arc/cmdline.c +++ b/arch/mips/fw/arc/cmdline.c @@ -16,11 +16,6 @@ #undef DEBUG_CMDLINE -char * __init prom_getcmdline(void) -{ - return arcs_cmdline; -} - static char *ignored[] = { "ConsoleIn=", "ConsoleOut=", diff --git a/arch/mips/include/asm/asm-offsets.h b/arch/mips/include/asm/asm-offsets.h new file mode 100644 index 00000000000..d370ee36a18 --- /dev/null +++ b/arch/mips/include/asm/asm-offsets.h @@ -0,0 +1 @@ +#include <generated/asm-offsets.h> diff --git a/arch/mips/include/asm/bootinfo.h b/arch/mips/include/asm/bootinfo.h index f5dfaf6a160..09eee09780f 100644 --- a/arch/mips/include/asm/bootinfo.h +++ b/arch/mips/include/asm/bootinfo.h @@ -67,9 +67,9 @@ #define MACH_LEMOTE_ML2F7 3 #define MACH_LEMOTE_YL2F89 4 #define MACH_DEXXON_GDIUM2F10 5 -#define MACH_LOONGSON_END 6 - -#define CL_SIZE COMMAND_LINE_SIZE +#define MACH_LEMOTE_NAS 6 +#define MACH_LEMOTE_LL2F 7 +#define MACH_LOONGSON_END 8 extern char *system_type; const char *get_system_type(void); @@ -107,7 +107,7 @@ extern void free_init_pages(const char *what, /* * Initial kernel command line, usually setup by prom_init() */ -extern char arcs_cmdline[CL_SIZE]; +extern char arcs_cmdline[COMMAND_LINE_SIZE]; /* * Registers a0, a1, a3 and a4 as passed to the kernel entry by firmware diff --git a/arch/mips/include/asm/clock.h b/arch/mips/include/asm/clock.h new file mode 100644 index 00000000000..83894aa7932 --- /dev/null +++ b/arch/mips/include/asm/clock.h @@ -0,0 +1,64 @@ +#ifndef __ASM_MIPS_CLOCK_H +#define __ASM_MIPS_CLOCK_H + +#include <linux/kref.h> +#include <linux/list.h> +#include <linux/seq_file.h> +#include <linux/clk.h> + +extern void (*cpu_wait) (void); + +struct clk; + +struct clk_ops { + void (*init) (struct clk *clk); + void (*enable) (struct clk *clk); + void (*disable) (struct clk *clk); + void (*recalc) (struct clk *clk); + int (*set_rate) (struct clk *clk, unsigned long rate, int algo_id); + long (*round_rate) (struct clk *clk, unsigned long rate); +}; + +struct clk { + struct list_head node; + const char *name; + int id; + struct module *owner; + + struct clk *parent; + struct clk_ops *ops; + + struct kref kref; + + unsigned long rate; + unsigned long flags; +}; + +#define CLK_ALWAYS_ENABLED (1 << 0) +#define CLK_RATE_PROPAGATES (1 << 1) + +/* Should be defined by processor-specific code */ +void arch_init_clk_ops(struct clk_ops **, int type); + +int clk_init(void); + +int __clk_enable(struct clk *); +void __clk_disable(struct clk *); + +void clk_recalc_rate(struct clk *); + +int clk_register(struct clk *); +void clk_unregister(struct clk *); + +/* the exported API, in addition to clk_set_rate */ +/** + * clk_set_rate_ex - set the clock rate for a clock source, with additional parameter + * @clk: clock source + * @rate: desired clock rate in Hz + * @algo_id: algorithm id to be passed down to ops->set_rate + * + * Returns success (0) or negative errno. + */ +int clk_set_rate_ex(struct clk *clk, unsigned long rate, int algo_id); + +#endif /* __ASM_MIPS_CLOCK_H */ diff --git a/arch/mips/include/asm/cop2.h b/arch/mips/include/asm/cop2.h new file mode 100644 index 00000000000..6b04c98b7fa --- /dev/null +++ b/arch/mips/include/asm/cop2.h @@ -0,0 +1,23 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2009 Wind River Systems, + * written by Ralf Baechle <ralf@linux-mips.org> + */ +#ifndef __ASM_COP2_H +#define __ASM_COP2_H + +enum cu2_ops { + CU2_EXCEPTION, + CU2_LWC2_OP, + CU2_LDC2_OP, + CU2_SWC2_OP, + CU2_SDC2_OP, +}; + +extern int register_cu2_notifier(struct notifier_block *nb); +extern int cu2_notifier_call_chain(unsigned long val, void *v); + +#endif /* __ASM_COP2_H */ diff --git a/arch/mips/include/asm/cpu.h b/arch/mips/include/asm/cpu.h index 4b96d1a3605..cf373a95fe4 100644 --- a/arch/mips/include/asm/cpu.h +++ b/arch/mips/include/asm/cpu.h @@ -154,6 +154,8 @@ #define PRID_REV_VR4181A 0x0070 /* Same as VR4122 */ #define PRID_REV_VR4130 0x0080 #define PRID_REV_34K_V1_0_2 0x0022 +#define PRID_REV_LOONGSON2E 0x0002 +#define PRID_REV_LOONGSON2F 0x0003 /* * Older processors used to encode processor version and revision in two diff --git a/arch/mips/include/asm/fcntl.h b/arch/mips/include/asm/fcntl.h index 7c6681aa2ab..e482fe90fe8 100644 --- a/arch/mips/include/asm/fcntl.h +++ b/arch/mips/include/asm/fcntl.h @@ -19,7 +19,7 @@ #define FASYNC 0x1000 /* fcntl, for BSD compatibility */ #define O_LARGEFILE 0x2000 /* allow large file opens */ /* - * Before Linux 2.6.32 only O_DSYNC semantics were implemented, but using + * Before Linux 2.6.33 only O_DSYNC semantics were implemented, but using * the O_SYNC flag. We continue to use the existing numerical value * for O_DSYNC semantics now, but using the correct symbolic name for it. * This new value is used to request true Posix O_SYNC semantics. It is diff --git a/arch/mips/include/asm/fpu.h b/arch/mips/include/asm/fpu.h index 8a3ef247659..7fcef8ef3fa 100644 --- a/arch/mips/include/asm/fpu.h +++ b/arch/mips/include/asm/fpu.h @@ -28,15 +28,7 @@ struct sigcontext; struct sigcontext32; -extern asmlinkage int (*save_fp_context)(struct sigcontext __user *sc); -extern asmlinkage int (*restore_fp_context)(struct sigcontext __user *sc); - -extern asmlinkage int (*save_fp_context32)(struct sigcontext32 __user *sc); -extern asmlinkage int (*restore_fp_context32)(struct sigcontext32 __user *sc); - extern void fpu_emulator_init_fpu(void); -extern int fpu_emulator_save_context(struct sigcontext __user *sc); -extern int fpu_emulator_restore_context(struct sigcontext __user *sc); extern void _init_fpu(void); extern void _save_fp(struct task_struct *); extern void _restore_fp(struct task_struct *); diff --git a/arch/mips/include/asm/fpu_emulator.h b/arch/mips/include/asm/fpu_emulator.h index e5189572956..aecada6f611 100644 --- a/arch/mips/include/asm/fpu_emulator.h +++ b/arch/mips/include/asm/fpu_emulator.h @@ -25,17 +25,27 @@ #include <asm/break.h> #include <asm/inst.h> +#include <asm/local.h> + +#ifdef CONFIG_DEBUG_FS struct mips_fpu_emulator_stats { - unsigned int emulated; - unsigned int loads; - unsigned int stores; - unsigned int cp1ops; - unsigned int cp1xops; - unsigned int errors; + local_t emulated; + local_t loads; + local_t stores; + local_t cp1ops; + local_t cp1xops; + local_t errors; }; -extern struct mips_fpu_emulator_stats fpuemustats; +DECLARE_PER_CPU(struct mips_fpu_emulator_stats, fpuemustats); + +#define MIPS_FPU_EMU_INC_STATS(M) \ + cpu_local_wrap(__local_inc(&__get_cpu_var(fpuemustats).M)) + +#else +#define MIPS_FPU_EMU_INC_STATS(M) do { } while (0) +#endif /* CONFIG_DEBUG_FS */ extern int mips_dsemul(struct pt_regs *regs, mips_instruction ir, unsigned long cpc); diff --git a/arch/mips/include/asm/ftrace.h b/arch/mips/include/asm/ftrace.h index 40a8c178f10..3986cd8704f 100644 --- a/arch/mips/include/asm/ftrace.h +++ b/arch/mips/include/asm/ftrace.h @@ -1 +1,90 @@ -/* empty */ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive for + * more details. + * + * Copyright (C) 2009 DSLab, Lanzhou University, China + * Author: Wu Zhangjin <wuzj@lemote.com> + */ + +#ifndef _ASM_MIPS_FTRACE_H +#define _ASM_MIPS_FTRACE_H + +#ifdef CONFIG_FUNCTION_TRACER + +#define MCOUNT_ADDR ((unsigned long)(_mcount)) +#define MCOUNT_INSN_SIZE 4 /* sizeof mcount call */ + +#ifndef __ASSEMBLY__ +extern void _mcount(void); +#define mcount _mcount + +#define safe_load(load, src, dst, error) \ +do { \ + asm volatile ( \ + "1: " load " %[" STR(dst) "], 0(%[" STR(src) "])\n"\ + " li %[" STR(error) "], 0\n" \ + "2:\n" \ + \ + ".section .fixup, \"ax\"\n" \ + "3: li %[" STR(error) "], 1\n" \ + " j 2b\n" \ + ".previous\n" \ + \ + ".section\t__ex_table,\"a\"\n\t" \ + STR(PTR) "\t1b, 3b\n\t" \ + ".previous\n" \ + \ + : [dst] "=&r" (dst), [error] "=r" (error)\ + : [src] "r" (src) \ + : "memory" \ + ); \ +} while (0) + +#define safe_store(store, src, dst, error) \ +do { \ + asm volatile ( \ + "1: " store " %[" STR(src) "], 0(%[" STR(dst) "])\n"\ + " li %[" STR(error) "], 0\n" \ + "2:\n" \ + \ + ".section .fixup, \"ax\"\n" \ + "3: li %[" STR(error) "], 1\n" \ + " j 2b\n" \ + ".previous\n" \ + \ + ".section\t__ex_table,\"a\"\n\t"\ + STR(PTR) "\t1b, 3b\n\t" \ + ".previous\n" \ + \ + : [error] "=r" (error) \ + : [dst] "r" (dst), [src] "r" (src)\ + : "memory" \ + ); \ +} while (0) + +#define safe_load_code(dst, src, error) \ + safe_load(STR(lw), src, dst, error) +#define safe_store_code(src, dst, error) \ + safe_store(STR(sw), src, dst, error) + +#define safe_load_stack(dst, src, error) \ + safe_load(STR(PTR_L), src, dst, error) + +#define safe_store_stack(src, dst, error) \ + safe_store(STR(PTR_S), src, dst, error) + + +#ifdef CONFIG_DYNAMIC_FTRACE +static inline unsigned long ftrace_call_adjust(unsigned long addr) +{ + return addr; +} + +struct dyn_arch_ftrace { +}; + +#endif /* CONFIG_DYNAMIC_FTRACE */ +#endif /* __ASSEMBLY__ */ +#endif /* CONFIG_FUNCTION_TRACER */ +#endif /* _ASM_MIPS_FTRACE_H */ diff --git a/arch/mips/include/asm/irq.h b/arch/mips/include/asm/irq.h index 09b08d05ff7..06960364c96 100644 --- a/arch/mips/include/asm/irq.h +++ b/arch/mips/include/asm/irq.h @@ -113,36 +113,11 @@ do { \ #endif -/* - * do_IRQ handles all normal device IRQ's (the special - * SMP cross-CPU interrupts have their own specific - * handlers). - * - * Ideally there should be away to get this into kernel/irq/handle.c to - * avoid the overhead of a call for just a tiny function ... - */ -#define do_IRQ(irq) \ -do { \ - irq_enter(); \ - __DO_IRQ_SMTC_HOOK(irq); \ - generic_handle_irq(irq); \ - irq_exit(); \ -} while (0) +extern void do_IRQ(unsigned int irq); #ifdef CONFIG_MIPS_MT_SMTC_IRQAFF -/* - * To avoid inefficient and in some cases pathological re-checking of - * IRQ affinity, we have this variant that skips the affinity check. - */ - -#define do_IRQ_no_affinity(irq) \ -do { \ - irq_enter(); \ - __NO_AFFINITY_IRQ_SMTC_HOOK(irq); \ - generic_handle_irq(irq); \ - irq_exit(); \ -} while (0) +extern void do_IRQ_no_affinity(unsigned int irq); #endif /* CONFIG_MIPS_MT_SMTC_IRQAFF */ diff --git a/arch/mips/include/asm/mach-excite/cpu-feature-overrides.h b/arch/mips/include/asm/mach-excite/cpu-feature-overrides.h deleted file mode 100644 index 107104c3cd1..00000000000 --- a/arch/mips/include/asm/mach-excite/cpu-feature-overrides.h +++ /dev/null @@ -1,48 +0,0 @@ -/* - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * - * Copyright (C) 2004 Thomas Koeller <thomas.koeller@baslerweb.com> - * Copyright (C) 2007 Ralf Baechle (ralf@linux-mips.org) - */ -#ifndef __ASM_MACH_EXCITE_CPU_FEATURE_OVERRIDES_H -#define __ASM_MACH_EXCITE_CPU_FEATURE_OVERRIDES_H - -/* - * Basler eXcite has an RM9122 processor. - */ -#define cpu_has_watch 1 -#define cpu_has_mips16 0 -#define cpu_has_divec 0 -#define cpu_has_vce 0 -#define cpu_has_cache_cdex_p 0 -#define cpu_has_cache_cdex_s 0 -#define cpu_has_prefetch 1 -#define cpu_has_mcheck 0 -#define cpu_has_ejtag 0 - -#define cpu_has_llsc 1 -#define cpu_has_vtag_icache 0 -#define cpu_has_dc_aliases 0 -#define cpu_has_ic_fills_f_dc 0 -#define cpu_has_dsp 0 -#define cpu_icache_snoops_remote_store 0 -#define cpu_has_mipsmt 0 -#define cpu_has_userlocal 0 - -#define cpu_has_nofpuex 0 -#define cpu_has_64bits 1 - -#define cpu_has_mips32r1 0 -#define cpu_has_mips32r2 0 -#define cpu_has_mips64r1 0 -#define cpu_has_mips64r2 0 - -#define cpu_has_inclusive_pcaches 0 - -#define cpu_dcache_line_size() 32 -#define cpu_icache_line_size() 32 -#define cpu_scache_line_size() 32 - -#endif /* __ASM_MACH_EXCITE_CPU_FEATURE_OVERRIDES_H */ diff --git a/arch/mips/include/asm/mach-excite/excite.h b/arch/mips/include/asm/mach-excite/excite.h deleted file mode 100644 index 4c29ba44992..00000000000 --- a/arch/mips/include/asm/mach-excite/excite.h +++ /dev/null @@ -1,154 +0,0 @@ -#ifndef __EXCITE_H__ -#define __EXCITE_H__ - -#include <linux/init.h> -#include <asm/addrspace.h> -#include <asm/types.h> - -#define EXCITE_CPU_EXT_CLOCK 100000000 - -#if !defined(__ASSEMBLY__) -void __init excite_kgdb_init(void); -void excite_procfs_init(void); -extern unsigned long memsize; -extern char modetty[]; -extern u32 unit_id; -#endif - -/* Base name for XICAP devices */ -#define XICAP_NAME "xicap_gpi" - -/* OCD register offsets */ -#define LKB0 0x0038 -#define LKB5 0x0128 -#define LKM5 0x012C -#define LKB7 0x0138 -#define LKM7 0x013c -#define LKB8 0x0140 -#define LKM8 0x0144 -#define LKB9 0x0148 -#define LKM9 0x014c -#define LKB10 0x0150 -#define LKM10 0x0154 -#define LKB11 0x0158 -#define LKM11 0x015c -#define LKB12 0x0160 -#define LKM12 0x0164 -#define LKB13 0x0168 -#define LKM13 0x016c -#define LDP0 0x0200 -#define LDP1 0x0210 -#define LDP2 0x0220 -#define LDP3 0x0230 -#define INTPIN0 0x0A40 -#define INTPIN1 0x0A44 -#define INTPIN2 0x0A48 -#define INTPIN3 0x0A4C -#define INTPIN4 0x0A50 -#define INTPIN5 0x0A54 -#define INTPIN6 0x0A58 -#define INTPIN7 0x0A5C - - - - -/* TITAN register offsets */ -#define CPRR 0x0004 -#define CPDSR 0x0008 -#define CPTC0R 0x000c -#define CPTC1R 0x0010 -#define CPCFG0 0x0020 -#define CPCFG1 0x0024 -#define CPDST0A 0x0028 -#define CPDST0B 0x002c -#define CPDST1A 0x0030 -#define CPDST1B 0x0034 -#define CPXDSTA 0x0038 -#define CPXDSTB 0x003c -#define CPXCISRA 0x0048 -#define CPXCISRB 0x004c -#define CPGIG0ER 0x0050 -#define CPGIG1ER 0x0054 -#define CPGRWL 0x0068 -#define CPURSLMT 0x00f8 -#define UACFG 0x0200 -#define UAINTS 0x0204 -#define SDRXFCIE 0x4828 -#define SDTXFCIE 0x4928 -#define INTP0Status0 0x1B00 -#define INTP0Mask0 0x1B04 -#define INTP0Set0 0x1B08 -#define INTP0Clear0 0x1B0C -#define GXCFG 0x5000 -#define GXDMADRPFX 0x5018 -#define GXDMA_DESCADR 0x501c -#define GXCH0TDESSTRT 0x5054 - -/* IRQ definitions */ -#define NMICONFIG 0xac0 -#define TITAN_MSGINT 0xc4 -#define TITAN_IRQ ((TITAN_MSGINT / 0x20) + 2) -#define FPGA0_MSGINT 0x5a -#define FPGA0_IRQ ((FPGA0_MSGINT / 0x20) + 2) -#define FPGA1_MSGINT 0x7b -#define FPGA1_IRQ ((FPGA1_MSGINT / 0x20) + 2) -#define PHY_MSGINT 0x9c -#define PHY_IRQ ((PHY_MSGINT / 0x20) + 2) - -#if defined(CONFIG_BASLER_EXCITE_PROTOTYPE) -/* Pre-release units used interrupt pin #9 */ -#define USB_IRQ 11 -#else -/* Re-designed units use interrupt pin #1 */ -#define USB_MSGINT 0x39 -#define USB_IRQ ((USB_MSGINT / 0x20) + 2) -#endif -#define TIMER_IRQ 12 - - -/* Device address ranges */ -#define EXCITE_OFFS_OCD 0x1fffc000 -#define EXCITE_SIZE_OCD (16 * 1024) -#define EXCITE_PHYS_OCD CPHYSADDR(EXCITE_OFFS_OCD) -#define EXCITE_ADDR_OCD CKSEG1ADDR(EXCITE_OFFS_OCD) - -#define EXCITE_OFFS_SCRAM 0x1fffa000 -#define EXCITE_SIZE_SCRAM (8 << 10) -#define EXCITE_PHYS_SCRAM CPHYSADDR(EXCITE_OFFS_SCRAM) -#define EXCITE_ADDR_SCRAM CKSEG1ADDR(EXCITE_OFFS_SCRAM) - -#define EXCITE_OFFS_PCI_IO 0x1fff8000 -#define EXCITE_SIZE_PCI_IO (8 << 10) -#define EXCITE_PHYS_PCI_IO CPHYSADDR(EXCITE_OFFS_PCI_IO) -#define EXCITE_ADDR_PCI_IO CKSEG1ADDR(EXCITE_OFFS_PCI_IO) - -#define EXCITE_OFFS_TITAN 0x1fff0000 -#define EXCITE_SIZE_TITAN (32 << 10) -#define EXCITE_PHYS_TITAN CPHYSADDR(EXCITE_OFFS_TITAN) -#define EXCITE_ADDR_TITAN CKSEG1ADDR(EXCITE_OFFS_TITAN) - -#define EXCITE_OFFS_PCI_MEM 0x1ffe0000 -#define EXCITE_SIZE_PCI_MEM (64 << 10) -#define EXCITE_PHYS_PCI_MEM CPHYSADDR(EXCITE_OFFS_PCI_MEM) -#define EXCITE_ADDR_PCI_MEM CKSEG1ADDR(EXCITE_OFFS_PCI_MEM) - -#define EXCITE_OFFS_FPGA 0x1ffdc000 -#define EXCITE_SIZE_FPGA (16 << 10) -#define EXCITE_PHYS_FPGA CPHYSADDR(EXCITE_OFFS_FPGA) -#define EXCITE_ADDR_FPGA CKSEG1ADDR(EXCITE_OFFS_FPGA) - -#define EXCITE_OFFS_NAND 0x1ffd8000 -#define EXCITE_SIZE_NAND (16 << 10) -#define EXCITE_PHYS_NAND CPHYSADDR(EXCITE_OFFS_NAND) -#define EXCITE_ADDR_NAND CKSEG1ADDR(EXCITE_OFFS_NAND) - -#define EXCITE_OFFS_BOOTROM 0x1f000000 -#define EXCITE_SIZE_BOOTROM (8 << 20) -#define EXCITE_PHYS_BOOTROM CPHYSADDR(EXCITE_OFFS_BOOTROM) -#define EXCITE_ADDR_BOOTROM CKSEG1ADDR(EXCITE_OFFS_BOOTROM) - -/* FPGA address offsets */ -#define EXCITE_FPGA_DPR 0x0104 /* dual-ported ram */ -#define EXCITE_FPGA_SYSCTL 0x0200 /* system control register block */ - -#endif /* __EXCITE_H__ */ diff --git a/arch/mips/include/asm/mach-excite/excite_fpga.h b/arch/mips/include/asm/mach-excite/excite_fpga.h deleted file mode 100644 index 0a1ef69bece..00000000000 --- a/arch/mips/include/asm/mach-excite/excite_fpga.h +++ /dev/null @@ -1,80 +0,0 @@ -#ifndef EXCITE_FPGA_H_INCLUDED -#define EXCITE_FPGA_H_INCLUDED - - -/** - * Address alignment of the individual FPGA bytes. - * The address arrangement of the individual bytes of the FPGA is two - * byte aligned at the embedded MK2 platform. - */ -#ifdef EXCITE_CCI_FPGA_MK2 -typedef unsigned char excite_cci_fpga_align_t __attribute__ ((aligned(2))); -#else -typedef unsigned char excite_cci_fpga_align_t; -#endif - - -/** - * Size of Dual Ported RAM. - */ -#define EXCITE_DPR_SIZE 263 - - -/** - * Size of Reserved Status Fields in Dual Ported RAM. - */ -#define EXCITE_DPR_STATUS_SIZE 7 - - - -/** - * FPGA. - * Hardware register layout of the FPGA interface. The FPGA must accessed - * byte wise solely. - * @see EXCITE_CCI_DPR_MK2 - */ -typedef struct excite_fpga { - - /** - * Dual Ported RAM. - */ - excite_cci_fpga_align_t dpr[EXCITE_DPR_SIZE]; - - /** - * Status. - */ - excite_cci_fpga_align_t status[EXCITE_DPR_STATUS_SIZE]; - -#ifdef EXCITE_CCI_FPGA_MK2 - /** - * RM9000 Interrupt. - * Write access initiates interrupt at the RM9000 (MIPS) processor of the eXcite. - */ - excite_cci_fpga_align_t rm9k_int; -#else - /** - * MK2 Interrupt. - * Write access initiates interrupt at the ARM processor of the MK2. - */ - excite_cci_fpga_align_t mk2_int; - - excite_cci_fpga_align_t gap[0x1000-0x10f]; - - /** - * IRQ Source/Acknowledge. - */ - excite_cci_fpga_align_t rm9k_irq_src; - - /** - * IRQ Mask. - * Set bits enable the related interrupt. - */ - excite_cci_fpga_align_t rm9k_irq_mask; -#endif - - -} excite_fpga; - - - -#endif /* ndef EXCITE_FPGA_H_INCLUDED */ diff --git a/arch/mips/include/asm/mach-excite/excite_nandflash.h b/arch/mips/include/asm/mach-excite/excite_nandflash.h deleted file mode 100644 index c4cf6140622..00000000000 --- a/arch/mips/include/asm/mach-excite/excite_nandflash.h +++ /dev/null @@ -1,7 +0,0 @@ -#ifndef __EXCITE_NANDFLASH_H__ -#define __EXCITE_NANDFLASH_H__ - -/* Resource names */ -#define EXCITE_NANDFLASH_RESOURCE_REGS "excite_nandflash_regs" - -#endif /* __EXCITE_NANDFLASH_H__ */ diff --git a/arch/mips/include/asm/mach-excite/rm9k_eth.h b/arch/mips/include/asm/mach-excite/rm9k_eth.h deleted file mode 100644 index 94705a46f72..00000000000 --- a/arch/mips/include/asm/mach-excite/rm9k_eth.h +++ /dev/null @@ -1,23 +0,0 @@ -#if !defined(__RM9K_ETH_H__) -#define __RM9K_ETH_H__ - -#define RM9K_GE_NAME "rm9k_ge" - -/* Resource names */ -#define RM9K_GE_RESOURCE_MAC "rm9k_ge_mac" -#define RM9K_GE_RESOURCE_MSTAT "rm9k_ge_mstat" -#define RM9K_GE_RESOURCE_PKTPROC "rm9k_ge_pktproc" -#define RM9K_GE_RESOURCE_XDMA "rm9k_ge_xdma" -#define RM9K_GE_RESOURCE_FIFO_RX "rm9k_ge_fifo_rx" -#define RM9K_GE_RESOURCE_FIFO_TX "rm9k_ge_fifo_tx" -#define RM9K_GE_RESOURCE_FIFOMEM_RX "rm9k_ge_fifo_memory_rx" -#define RM9K_GE_RESOURCE_FIFOMEM_TX "rm9k_ge_fifo_memory_tx" -#define RM9K_GE_RESOURCE_PHY "rm9k_ge_phy" -#define RM9K_GE_RESOURCE_DMADESC_RX "rm9k_ge_dmadesc_rx" -#define RM9K_GE_RESOURCE_DMADESC_TX "rm9k_ge_dmadesc_tx" -#define RM9K_GE_RESOURCE_IRQ_MAIN "rm9k_ge_irq_main" -#define RM9K_GE_RESOURCE_IRQ_PHY "rm9k_ge_irq_phy" -#define RM9K_GE_RESOURCE_GPI_SLICE "rm9k_ge_gpi_slice" -#define RM9K_GE_RESOURCE_MDIO_CHANNEL "rm9k_ge_mdio_channel" - -#endif /* !defined(__RM9K_ETH_H__) */ diff --git a/arch/mips/include/asm/mach-excite/rm9k_wdt.h b/arch/mips/include/asm/mach-excite/rm9k_wdt.h deleted file mode 100644 index 3fa3c08d2da..00000000000 --- a/arch/mips/include/asm/mach-excite/rm9k_wdt.h +++ /dev/null @@ -1,12 +0,0 @@ -#ifndef __RM9K_WDT_H__ -#define __RM9K_WDT_H__ - -/* Device name */ -#define WDT_NAME "wdt_gpi" - -/* Resource names */ -#define WDT_RESOURCE_REGS "excite_watchdog_regs" -#define WDT_RESOURCE_IRQ "excite_watchdog_irq" -#define WDT_RESOURCE_COUNTER "excite_watchdog_counter" - -#endif /* __RM9K_WDT_H__ */ diff --git a/arch/mips/include/asm/mach-excite/rm9k_xicap.h b/arch/mips/include/asm/mach-excite/rm9k_xicap.h deleted file mode 100644 index 009577734a8..00000000000 --- a/arch/mips/include/asm/mach-excite/rm9k_xicap.h +++ /dev/null @@ -1,16 +0,0 @@ -#ifndef __EXCITE_XICAP_H__ -#define __EXCITE_XICAP_H__ - - -/* Resource names */ -#define XICAP_RESOURCE_FIFO_RX "xicap_fifo_rx" -#define XICAP_RESOURCE_FIFO_TX "xicap_fifo_tx" -#define XICAP_RESOURCE_XDMA "xicap_xdma" -#define XICAP_RESOURCE_DMADESC "xicap_dmadesc" -#define XICAP_RESOURCE_PKTPROC "xicap_pktproc" -#define XICAP_RESOURCE_IRQ "xicap_irq" -#define XICAP_RESOURCE_GPI_SLICE "xicap_gpi_slice" -#define XICAP_RESOURCE_FIFO_BLK "xicap_fifo_blocks" -#define XICAP_RESOURCE_PKT_STREAM "xicap_pkt_stream" - -#endif /* __EXCITE_XICAP_H__ */ diff --git a/arch/mips/include/asm/mach-loongson/cs5536/cs5536.h b/arch/mips/include/asm/mach-loongson/cs5536/cs5536.h new file mode 100644 index 00000000000..021f77ca59e --- /dev/null +++ b/arch/mips/include/asm/mach-loongson/cs5536/cs5536.h @@ -0,0 +1,305 @@ +/* + * The header file of cs5536 sourth bridge. + * + * Copyright (C) 2007 Lemote, Inc. + * Author : jlliu <liujl@lemote.com> + */ + +#ifndef _CS5536_H +#define _CS5536_H + +#include <linux/types.h> + +extern void _rdmsr(u32 msr, u32 *hi, u32 *lo); +extern void _wrmsr(u32 msr, u32 hi, u32 lo); + +/* + * MSR module base + */ +#define CS5536_SB_MSR_BASE (0x00000000) +#define CS5536_GLIU_MSR_BASE (0x10000000) +#define CS5536_ILLEGAL_MSR_BASE (0x20000000) +#define CS5536_USB_MSR_BASE (0x40000000) +#define CS5536_IDE_MSR_BASE (0x60000000) +#define CS5536_DIVIL_MSR_BASE (0x80000000) +#define CS5536_ACC_MSR_BASE (0xa0000000) +#define CS5536_UNUSED_MSR_BASE (0xc0000000) +#define CS5536_GLCP_MSR_BASE (0xe0000000) + +#define SB_MSR_REG(offset) (CS5536_SB_MSR_BASE | (offset)) +#define GLIU_MSR_REG(offset) (CS5536_GLIU_MSR_BASE | (offset)) +#define ILLEGAL_MSR_REG(offset) (CS5536_ILLEGAL_MSR_BASE | (offset)) +#define USB_MSR_REG(offset) (CS5536_USB_MSR_BASE | (offset)) +#define IDE_MSR_REG(offset) (CS5536_IDE_MSR_BASE | (offset)) +#define DIVIL_MSR_REG(offset) (CS5536_DIVIL_MSR_BASE | (offset)) +#define ACC_MSR_REG(offset) (CS5536_ACC_MSR_BASE | (offset)) +#define UNUSED_MSR_REG(offset) (CS5536_UNUSED_MSR_BASE | (offset)) +#define GLCP_MSR_REG(offset) (CS5536_GLCP_MSR_BASE | (offset)) + +/* + * BAR SPACE OF VIRTUAL PCI : + * range for pci probe use, length is the actual size. + */ +/* IO space for all DIVIL modules */ +#define CS5536_IRQ_RANGE 0xffffffe0 /* USERD FOR PCI PROBE */ +#define CS5536_IRQ_LENGTH 0x20 /* THE REGS ACTUAL LENGTH */ +#define CS5536_SMB_RANGE 0xfffffff8 +#define CS5536_SMB_LENGTH 0x08 +#define CS5536_GPIO_RANGE 0xffffff00 +#define CS5536_GPIO_LENGTH 0x100 +#define CS5536_MFGPT_RANGE 0xffffffc0 +#define CS5536_MFGPT_LENGTH 0x40 +#define CS5536_ACPI_RANGE 0xffffffe0 +#define CS5536_ACPI_LENGTH 0x20 +#define CS5536_PMS_RANGE 0xffffff80 +#define CS5536_PMS_LENGTH 0x80 +/* IO space for IDE */ +#define CS5536_IDE_RANGE 0xfffffff0 +#define CS5536_IDE_LENGTH 0x10 +/* IO space for ACC */ +#define CS5536_ACC_RANGE 0xffffff80 +#define CS5536_ACC_LENGTH 0x80 +/* MEM space for ALL USB modules */ +#define CS5536_OHCI_RANGE 0xfffff000 +#define CS5536_OHCI_LENGTH 0x1000 +#define CS5536_EHCI_RANGE 0xfffff000 +#define CS5536_EHCI_LENGTH 0x1000 + +/* + * PCI MSR ACCESS + */ +#define PCI_MSR_CTRL 0xF0 +#define PCI_MSR_ADDR 0xF4 +#define PCI_MSR_DATA_LO 0xF8 +#define PCI_MSR_DATA_HI 0xFC + +/**************** MSR *****************************/ + +/* + * GLIU STANDARD MSR + */ +#define GLIU_CAP 0x00 +#define GLIU_CONFIG 0x01 +#define GLIU_SMI 0x02 +#define GLIU_ERROR 0x03 +#define GLIU_PM 0x04 +#define GLIU_DIAG 0x05 + +/* + * GLIU SPEC. MSR + */ +#define GLIU_P2D_BM0 0x20 +#define GLIU_P2D_BM1 0x21 +#define GLIU_P2D_BM2 0x22 +#define GLIU_P2D_BMK0 0x23 +#define GLIU_P2D_BMK1 0x24 +#define GLIU_P2D_BM3 0x25 +#define GLIU_P2D_BM4 0x26 +#define GLIU_COH 0x80 +#define GLIU_PAE 0x81 +#define GLIU_ARB 0x82 +#define GLIU_ASMI 0x83 +#define GLIU_AERR 0x84 +#define GLIU_DEBUG 0x85 +#define GLIU_PHY_CAP 0x86 +#define GLIU_NOUT_RESP 0x87 +#define GLIU_NOUT_WDATA 0x88 +#define GLIU_WHOAMI 0x8B +#define GLIU_SLV_DIS 0x8C +#define GLIU_IOD_BM0 0xE0 +#define GLIU_IOD_BM1 0xE1 +#define GLIU_IOD_BM2 0xE2 +#define GLIU_IOD_BM3 0xE3 +#define GLIU_IOD_BM4 0xE4 +#define GLIU_IOD_BM5 0xE5 +#define GLIU_IOD_BM6 0xE6 +#define GLIU_IOD_BM7 0xE7 +#define GLIU_IOD_BM8 0xE8 +#define GLIU_IOD_BM9 0xE9 +#define GLIU_IOD_SC0 0xEA +#define GLIU_IOD_SC1 0xEB +#define GLIU_IOD_SC2 0xEC +#define GLIU_IOD_SC3 0xED +#define GLIU_IOD_SC4 0xEE +#define GLIU_IOD_SC5 0xEF +#define GLIU_IOD_SC6 0xF0 +#define GLIU_IOD_SC7 0xF1 + +/* + * SB STANDARD + */ +#define SB_CAP 0x00 +#define SB_CONFIG 0x01 +#define SB_SMI 0x02 +#define SB_ERROR 0x03 +#define SB_MAR_ERR_EN 0x00000001 +#define SB_TAR_ERR_EN 0x00000002 +#define SB_RSVD_BIT1 0x00000004 +#define SB_EXCEP_ERR_EN 0x00000008 +#define SB_SYSE_ERR_EN 0x00000010 +#define SB_PARE_ERR_EN 0x00000020 +#define SB_TAS_ERR_EN 0x00000040 +#define SB_MAR_ERR_FLAG 0x00010000 +#define SB_TAR_ERR_FLAG 0x00020000 +#define SB_RSVD_BIT2 0x00040000 +#define SB_EXCEP_ERR_FLAG 0x00080000 +#define SB_SYSE_ERR_FLAG 0x00100000 +#define SB_PARE_ERR_FLAG 0x00200000 +#define SB_TAS_ERR_FLAG 0x00400000 +#define SB_PM 0x04 +#define SB_DIAG 0x05 + +/* + * SB SPEC. + */ +#define SB_CTRL 0x10 +#define SB_R0 0x20 +#define SB_R1 0x21 +#define SB_R2 0x22 +#define SB_R3 0x23 +#define SB_R4 0x24 +#define SB_R5 0x25 +#define SB_R6 0x26 +#define SB_R7 0x27 +#define SB_R8 0x28 +#define SB_R9 0x29 +#define SB_R10 0x2A +#define SB_R11 0x2B +#define SB_R12 0x2C +#define SB_R13 0x2D +#define SB_R14 0x2E +#define SB_R15 0x2F + +/* + * GLCP STANDARD + */ +#define GLCP_CAP 0x00 +#define GLCP_CONFIG 0x01 +#define GLCP_SMI 0x02 +#define GLCP_ERROR 0x03 +#define GLCP_PM 0x04 +#define GLCP_DIAG 0x05 + +/* + * GLCP SPEC. + */ +#define GLCP_CLK_DIS_DELAY 0x08 +#define GLCP_PM_CLK_DISABLE 0x09 +#define GLCP_GLB_PM 0x0B +#define GLCP_DBG_OUT 0x0C +#define GLCP_RSVD1 0x0D +#define GLCP_SOFT_COM 0x0E +#define SOFT_BAR_SMB_FLAG 0x00000001 +#define SOFT_BAR_GPIO_FLAG 0x00000002 +#define SOFT_BAR_MFGPT_FLAG 0x00000004 +#define SOFT_BAR_IRQ_FLAG 0x00000008 +#define SOFT_BAR_PMS_FLAG 0x00000010 +#define SOFT_BAR_ACPI_FLAG 0x00000020 +#define SOFT_BAR_IDE_FLAG 0x00000400 +#define SOFT_BAR_ACC_FLAG 0x00000800 +#define SOFT_BAR_OHCI_FLAG 0x00001000 +#define SOFT_BAR_EHCI_FLAG 0x00002000 +#define GLCP_RSVD2 0x0F +#define GLCP_CLK_OFF 0x10 +#define GLCP_CLK_ACTIVE 0x11 +#define GLCP_CLK_DISABLE 0x12 +#define GLCP_CLK4ACK 0x13 +#define GLCP_SYS_RST 0x14 +#define GLCP_RSVD3 0x15 +#define GLCP_DBG_CLK_CTRL 0x16 +#define GLCP_CHIP_REV_ID 0x17 + +/* PIC */ +#define PIC_YSEL_LOW 0x20 +#define PIC_YSEL_LOW_USB_SHIFT 8 +#define PIC_YSEL_LOW_ACC_SHIFT 16 +#define PIC_YSEL_LOW_FLASH_SHIFT 24 +#define PIC_YSEL_HIGH 0x21 +#define PIC_ZSEL_LOW 0x22 +#define PIC_ZSEL_HIGH 0x23 +#define PIC_IRQM_PRIM 0x24 +#define PIC_IRQM_LPC 0x25 +#define PIC_XIRR_STS_LOW 0x26 +#define PIC_XIRR_STS_HIGH 0x27 +#define PCI_SHDW 0x34 + +/* + * DIVIL STANDARD + */ +#define DIVIL_CAP 0x00 +#define DIVIL_CONFIG 0x01 +#define DIVIL_SMI 0x02 +#define DIVIL_ERROR 0x03 +#define DIVIL_PM 0x04 +#define DIVIL_DIAG 0x05 + +/* + * DIVIL SPEC. + */ +#define DIVIL_LBAR_IRQ 0x08 +#define DIVIL_LBAR_KEL 0x09 +#define DIVIL_LBAR_SMB 0x0B +#define DIVIL_LBAR_GPIO 0x0C +#define DIVIL_LBAR_MFGPT 0x0D +#define DIVIL_LBAR_ACPI 0x0E +#define DIVIL_LBAR_PMS 0x0F +#define DIVIL_LEG_IO 0x14 +#define DIVIL_BALL_OPTS 0x15 +#define DIVIL_SOFT_IRQ 0x16 +#define DIVIL_SOFT_RESET 0x17 + +/* MFGPT */ +#define MFGPT_IRQ 0x28 + +/* + * IDE STANDARD + */ +#define IDE_CAP 0x00 +#define IDE_CONFIG 0x01 +#define IDE_SMI 0x02 +#define IDE_ERROR 0x03 +#define IDE_PM 0x04 +#define IDE_DIAG 0x05 + +/* + * IDE SPEC. + */ +#define IDE_IO_BAR 0x08 +#define IDE_CFG 0x10 +#define IDE_DTC 0x12 +#define IDE_CAST 0x13 +#define IDE_ETC 0x14 +#define IDE_INTERNAL_PM 0x15 + +/* + * ACC STANDARD + */ +#define ACC_CAP 0x00 +#define ACC_CONFIG 0x01 +#define ACC_SMI 0x02 +#define ACC_ERROR 0x03 +#define ACC_PM 0x04 +#define ACC_DIAG 0x05 + +/* + * USB STANDARD + */ +#define USB_CAP 0x00 +#define USB_CONFIG 0x01 +#define USB_SMI 0x02 +#define USB_ERROR 0x03 +#define USB_PM 0x04 +#define USB_DIAG 0x05 + +/* + * USB SPEC. + */ +#define USB_OHCI 0x08 +#define USB_EHCI 0x09 + +/****************** NATIVE ***************************/ +/* GPIO : I/O SPACE; REG : 32BITS */ +#define GPIOL_OUT_VAL 0x00 +#define GPIOL_OUT_EN 0x04 + +#endif /* _CS5536_H */ diff --git a/arch/mips/include/asm/mach-loongson/cs5536/cs5536_mfgpt.h b/arch/mips/include/asm/mach-loongson/cs5536/cs5536_mfgpt.h new file mode 100644 index 00000000000..4b493d6772c --- /dev/null +++ b/arch/mips/include/asm/mach-loongson/cs5536/cs5536_mfgpt.h @@ -0,0 +1,35 @@ +/* + * cs5536 mfgpt header file + */ + +#ifndef _CS5536_MFGPT_H +#define _CS5536_MFGPT_H + +#include <cs5536/cs5536.h> +#include <cs5536/cs5536_pci.h> + +#ifdef CONFIG_CS5536_MFGPT +extern void setup_mfgpt0_timer(void); +extern void disable_mfgpt0_counter(void); +extern void enable_mfgpt0_counter(void); +#else +static inline void __maybe_unused setup_mfgpt0_timer(void) +{ +} +static inline void __maybe_unused disable_mfgpt0_counter(void) +{ +} +static inline void __maybe_unused enable_mfgpt0_counter(void) +{ +} +#endif + +#define MFGPT_TICK_RATE 14318000 +#define COMPARE ((MFGPT_TICK_RATE + HZ/2) / HZ) + +#define MFGPT_BASE mfgpt_base +#define MFGPT0_CMP2 (MFGPT_BASE + 2) +#define MFGPT0_CNT (MFGPT_BASE + 4) +#define MFGPT0_SETUP (MFGPT_BASE + 6) + +#endif /*!_CS5536_MFGPT_H */ diff --git a/arch/mips/include/asm/mach-loongson/cs5536/cs5536_pci.h b/arch/mips/include/asm/mach-loongson/cs5536/cs5536_pci.h new file mode 100644 index 00000000000..0dca9c89ee7 --- /dev/null +++ b/arch/mips/include/asm/mach-loongson/cs5536/cs5536_pci.h @@ -0,0 +1,153 @@ +/* + * the definition file of cs5536 Virtual Support Module(VSM). + * pci configuration space can be accessed through the VSM, so + * there is no need of the MSR read/write now, except the spec. + * MSR registers which are not implemented yet. + * + * Copyright (C) 2007 Lemote Inc. + * Author : jlliu, liujl@lemote.com + */ + +#ifndef _CS5536_PCI_H +#define _CS5536_PCI_H + +#include <linux/types.h> +#include <linux/pci_regs.h> + +extern void cs5536_pci_conf_write4(int function, int reg, u32 value); +extern u32 cs5536_pci_conf_read4(int function, int reg); + +#define CS5536_ACC_INTR 9 +#define CS5536_IDE_INTR 14 +#define CS5536_USB_INTR 11 +#define CS5536_MFGPT_INTR 5 +#define CS5536_UART1_INTR 4 +#define CS5536_UART2_INTR 3 + +/************** PCI BUS DEVICE FUNCTION ***************/ + +/* + * PCI bus device function + */ +#define PCI_BUS_CS5536 0 +#define PCI_IDSEL_CS5536 14 + +/********** STANDARD PCI-2.2 EXPANSION ****************/ + +/* + * PCI configuration space + * we have to virtualize the PCI configure space head, so we should + * define the necessary IDs and some others. + */ + +/* CONFIG of PCI VENDOR ID*/ +#define CFG_PCI_VENDOR_ID(mod_dev_id, sys_vendor_id) \ + (((mod_dev_id) << 16) | (sys_vendor_id)) + +/* VENDOR ID */ +#define CS5536_VENDOR_ID 0x1022 + +/* DEVICE ID */ +#define CS5536_ISA_DEVICE_ID 0x2090 +#define CS5536_IDE_DEVICE_ID 0x209a +#define CS5536_ACC_DEVICE_ID 0x2093 +#define CS5536_OHCI_DEVICE_ID 0x2094 +#define CS5536_EHCI_DEVICE_ID 0x2095 + +/* CLASS CODE : CLASS SUB-CLASS INTERFACE */ +#define CS5536_ISA_CLASS_CODE 0x060100 +#define CS5536_IDE_CLASS_CODE 0x010180 +#define CS5536_ACC_CLASS_CODE 0x040100 +#define CS5536_OHCI_CLASS_CODE 0x0C0310 +#define CS5536_EHCI_CLASS_CODE 0x0C0320 + +/* BHLC : BIST HEADER-TYPE LATENCY-TIMER CACHE-LINE-SIZE */ + +#define CFG_PCI_CACHE_LINE_SIZE(header_type, latency_timer) \ + ((PCI_NONE_BIST << 24) | ((header_type) << 16) \ + | ((latency_timer) << 8) | PCI_NORMAL_CACHE_LINE_SIZE); + +#define PCI_NONE_BIST 0x00 /* RO not implemented yet. */ +#define PCI_BRIDGE_HEADER_TYPE 0x80 /* RO */ +#define PCI_NORMAL_HEADER_TYPE 0x00 +#define PCI_NORMAL_LATENCY_TIMER 0x00 +#define PCI_NORMAL_CACHE_LINE_SIZE 0x08 /* RW */ + +/* BAR */ +#define PCI_BAR0_REG 0x10 +#define PCI_BAR1_REG 0x14 +#define PCI_BAR2_REG 0x18 +#define PCI_BAR3_REG 0x1c +#define PCI_BAR4_REG 0x20 +#define PCI_BAR5_REG 0x24 +#define PCI_BAR_COUNT 6 +#define PCI_BAR_RANGE_MASK 0xFFFFFFFF + +/* CARDBUS CIS POINTER */ +#define PCI_CARDBUS_CIS_POINTER 0x00000000 + +/* SUBSYSTEM VENDOR ID */ +#define CS5536_SUB_VENDOR_ID CS5536_VENDOR_ID + +/* SUBSYSTEM ID */ +#define CS5536_ISA_SUB_ID CS5536_ISA_DEVICE_ID +#define CS5536_IDE_SUB_ID CS5536_IDE_DEVICE_ID +#define CS5536_ACC_SUB_ID CS5536_ACC_DEVICE_ID +#define CS5536_OHCI_SUB_ID CS5536_OHCI_DEVICE_ID +#define CS5536_EHCI_SUB_ID CS5536_EHCI_DEVICE_ID + +/* EXPANSION ROM BAR */ +#define PCI_EXPANSION_ROM_BAR 0x00000000 + +/* CAPABILITIES POINTER */ +#define PCI_CAPLIST_POINTER 0x00000000 +#define PCI_CAPLIST_USB_POINTER 0x40 +/* INTERRUPT */ + +#define CFG_PCI_INTERRUPT_LINE(pin, mod_intr) \ + ((PCI_MAX_LATENCY << 24) | (PCI_MIN_GRANT << 16) | \ + ((pin) << 8) | (mod_intr)) + +#define PCI_MAX_LATENCY 0x40 +#define PCI_MIN_GRANT 0x00 +#define PCI_DEFAULT_PIN 0x01 + +/*********** EXPANSION PCI REG ************************/ + +/* + * ISA EXPANSION + */ +#define PCI_UART1_INT_REG 0x50 +#define PCI_UART2_INT_REG 0x54 +#define PCI_ISA_FIXUP_REG 0x58 + +/* + * IDE EXPANSION + */ +#define PCI_IDE_CFG_REG 0x40 +#define CS5536_IDE_FLASH_SIGNATURE 0xDEADBEEF +#define PCI_IDE_DTC_REG 0x48 +#define PCI_IDE_CAST_REG 0x4C +#define PCI_IDE_ETC_REG 0x50 +#define PCI_IDE_PM_REG 0x54 +#define PCI_IDE_INT_REG 0x60 + +/* + * ACC EXPANSION + */ +#define PCI_ACC_INT_REG 0x50 + +/* + * OHCI EXPANSION : INTTERUPT IS IMPLEMENTED BY THE OHCI + */ +#define PCI_OHCI_PM_REG 0x40 +#define PCI_OHCI_INT_REG 0x50 + +/* + * EHCI EXPANSION + */ +#define PCI_EHCI_LEGSMIEN_REG 0x50 +#define PCI_EHCI_LEGSMISTS_REG 0x54 +#define PCI_EHCI_FLADJ_REG 0x60 + +#endif /* _CS5536_PCI_H_ */ diff --git a/arch/mips/include/asm/mach-loongson/cs5536/cs5536_vsm.h b/arch/mips/include/asm/mach-loongson/cs5536/cs5536_vsm.h new file mode 100644 index 00000000000..6305bea7e18 --- /dev/null +++ b/arch/mips/include/asm/mach-loongson/cs5536/cs5536_vsm.h @@ -0,0 +1,31 @@ +/* + * the read/write interfaces for Virtual Support Module(VSM) + * + * Copyright (C) 2009 Lemote, Inc. + * Author: Wu Zhangjin <wuzj@lemote.com> + */ + +#ifndef _CS5536_VSM_H +#define _CS5536_VSM_H + +#include <linux/types.h> + +typedef void (*cs5536_pci_vsm_write)(int reg, u32 value); +typedef u32 (*cs5536_pci_vsm_read)(int reg); + +#define DECLARE_CS5536_MODULE(name) \ +extern void pci_##name##_write_reg(int reg, u32 value); \ +extern u32 pci_##name##_read_reg(int reg); + +/* ide module */ +DECLARE_CS5536_MODULE(ide) +/* acc module */ +DECLARE_CS5536_MODULE(acc) +/* ohci module */ +DECLARE_CS5536_MODULE(ohci) +/* isa module */ +DECLARE_CS5536_MODULE(isa) +/* ehci module */ +DECLARE_CS5536_MODULE(ehci) + +#endif /* _CS5536_VSM_H */ diff --git a/arch/mips/include/asm/mach-loongson/dma-coherence.h b/arch/mips/include/asm/mach-loongson/dma-coherence.h index 71a6851ba83..981c75f91a7 100644 --- a/arch/mips/include/asm/mach-loongson/dma-coherence.h +++ b/arch/mips/include/asm/mach-loongson/dma-coherence.h @@ -28,7 +28,11 @@ static inline dma_addr_t plat_map_dma_mem_page(struct device *dev, static inline unsigned long plat_dma_addr_to_phys(struct device *dev, dma_addr_t dma_addr) { +#if defined(CONFIG_CPU_LOONGSON2F) && defined(CONFIG_64BIT) + return (dma_addr > 0x8fffffff) ? dma_addr : (dma_addr & 0x0fffffff); +#else return dma_addr & 0x7fffffff; +#endif } static inline void plat_unmap_dma_mem(struct device *dev, dma_addr_t dma_addr, diff --git a/arch/mips/include/asm/mach-loongson/loongson.h b/arch/mips/include/asm/mach-loongson/loongson.h index da70bcf2304..ee8bc837697 100644 --- a/arch/mips/include/asm/mach-loongson/loongson.h +++ b/arch/mips/include/asm/mach-loongson/loongson.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 2009 Lemote, Inc. & Institute of Computing Technology + * Copyright (C) 2009 Lemote, Inc. * Author: Wu Zhangjin <wuzj@lemote.com> * * This program is free software; you can redistribute it and/or modify it @@ -15,9 +15,6 @@ #include <linux/io.h> #include <linux/init.h> -/* there is an internal bonito64-compatiable northbridge in loongson2e/2f */ -#include <asm/mips-boards/bonito64.h> - /* loongson internal northbridge initialization */ extern void bonito_irq_init(void); @@ -32,7 +29,19 @@ extern unsigned long memsize, highmemsize; /* loongson-specific command line, env and memory initialization */ extern void __init prom_init_memory(void); extern void __init prom_init_cmdline(void); +extern void __init prom_init_machtype(void); extern void __init prom_init_env(void); +#ifdef CONFIG_LOONGSON_UART_BASE +extern unsigned long _loongson_uart_base, loongson_uart_base; +extern void prom_init_loongson_uart_base(void); +#endif + +static inline void prom_init_uart_base(void) +{ +#ifdef CONFIG_LOONGSON_UART_BASE + prom_init_loongson_uart_base(); +#endif +} /* irq operation functions */ extern void bonito_irqdispatch(void); @@ -40,25 +49,276 @@ extern void __init bonito_irq_init(void); extern void __init set_irq_trigger_mode(void); extern void __init mach_init_irq(void); extern void mach_irq_dispatch(unsigned int pending); +extern int mach_i8259_irq(void); + +/* We need this in some places... */ +#define delay() ({ \ + int x; \ + for (x = 0; x < 100000; x++) \ + __asm__ __volatile__(""); \ +}) + +#define LOONGSON_REG(x) \ + (*(volatile u32 *)((char *)CKSEG1ADDR(LOONGSON_REG_BASE) + (x))) + +#define LOONGSON_IRQ_BASE 32 +#define LOONGSON2_PERFCNT_IRQ (MIPS_CPU_IRQ_BASE + 6) /* cpu perf counter */ + +#define LOONGSON_FLASH_BASE 0x1c000000 +#define LOONGSON_FLASH_SIZE 0x02000000 /* 32M */ +#define LOONGSON_FLASH_TOP (LOONGSON_FLASH_BASE+LOONGSON_FLASH_SIZE-1) + +#define LOONGSON_LIO0_BASE 0x1e000000 +#define LOONGSON_LIO0_SIZE 0x01C00000 /* 28M */ +#define LOONGSON_LIO0_TOP (LOONGSON_LIO0_BASE+LOONGSON_LIO0_SIZE-1) + +#define LOONGSON_BOOT_BASE 0x1fc00000 +#define LOONGSON_BOOT_SIZE 0x00100000 /* 1M */ +#define LOONGSON_BOOT_TOP (LOONGSON_BOOT_BASE+LOONGSON_BOOT_SIZE-1) +#define LOONGSON_REG_BASE 0x1fe00000 +#define LOONGSON_REG_SIZE 0x00100000 /* 256Bytes + 256Bytes + ??? */ +#define LOONGSON_REG_TOP (LOONGSON_REG_BASE+LOONGSON_REG_SIZE-1) + +#define LOONGSON_LIO1_BASE 0x1ff00000 +#define LOONGSON_LIO1_SIZE 0x00100000 /* 1M */ +#define LOONGSON_LIO1_TOP (LOONGSON_LIO1_BASE+LOONGSON_LIO1_SIZE-1) + +#define LOONGSON_PCILO0_BASE 0x10000000 +#define LOONGSON_PCILO1_BASE 0x14000000 +#define LOONGSON_PCILO2_BASE 0x18000000 +#define LOONGSON_PCILO_BASE LOONGSON_PCILO0_BASE +#define LOONGSON_PCILO_SIZE 0x0c000000 /* 64M * 3 */ +#define LOONGSON_PCILO_TOP (LOONGSON_PCILO0_BASE+LOONGSON_PCILO_SIZE-1) + +#define LOONGSON_PCICFG_BASE 0x1fe80000 +#define LOONGSON_PCICFG_SIZE 0x00000800 /* 2K */ +#define LOONGSON_PCICFG_TOP (LOONGSON_PCICFG_BASE+LOONGSON_PCICFG_SIZE-1) +#define LOONGSON_PCIIO_BASE 0x1fd00000 +#define LOONGSON_PCIIO_SIZE 0x00100000 /* 1M */ +#define LOONGSON_PCIIO_TOP (LOONGSON_PCIIO_BASE+LOONGSON_PCIIO_SIZE-1) + +/* Loongson Register Bases */ + +#define LOONGSON_PCICONFIGBASE 0x00 +#define LOONGSON_REGBASE 0x100 /* PCI Configuration Registers */ -#define LOONGSON_PCI_ISR4C BONITO_PCI_REG(0x4c) + +#define LOONGSON_PCI_REG(x) LOONGSON_REG(LOONGSON_PCICONFIGBASE + (x)) +#define LOONGSON_PCIDID LOONGSON_PCI_REG(0x00) +#define LOONGSON_PCICMD LOONGSON_PCI_REG(0x04) +#define LOONGSON_PCICLASS LOONGSON_PCI_REG(0x08) +#define LOONGSON_PCILTIMER LOONGSON_PCI_REG(0x0c) +#define LOONGSON_PCIBASE0 LOONGSON_PCI_REG(0x10) +#define LOONGSON_PCIBASE1 LOONGSON_PCI_REG(0x14) +#define LOONGSON_PCIBASE2 LOONGSON_PCI_REG(0x18) +#define LOONGSON_PCIBASE3 LOONGSON_PCI_REG(0x1c) +#define LOONGSON_PCIBASE4 LOONGSON_PCI_REG(0x20) +#define LOONGSON_PCIEXPRBASE LOONGSON_PCI_REG(0x30) +#define LOONGSON_PCIINT LOONGSON_PCI_REG(0x3c) + +#define LOONGSON_PCI_ISR4C LOONGSON_PCI_REG(0x4c) + +#define LOONGSON_PCICMD_PERR_CLR 0x80000000 +#define LOONGSON_PCICMD_SERR_CLR 0x40000000 +#define LOONGSON_PCICMD_MABORT_CLR 0x20000000 +#define LOONGSON_PCICMD_MTABORT_CLR 0x10000000 +#define LOONGSON_PCICMD_TABORT_CLR 0x08000000 +#define LOONGSON_PCICMD_MPERR_CLR 0x01000000 +#define LOONGSON_PCICMD_PERRRESPEN 0x00000040 +#define LOONGSON_PCICMD_ASTEPEN 0x00000080 +#define LOONGSON_PCICMD_SERREN 0x00000100 +#define LOONGSON_PCILTIMER_BUSLATENCY 0x0000ff00 +#define LOONGSON_PCILTIMER_BUSLATENCY_SHIFT 8 + +/* Loongson h/w Configuration */ + +#define LOONGSON_GENCFG_OFFSET 0x4 +#define LOONGSON_GENCFG LOONGSON_REG(LOONGSON_REGBASE + LOONGSON_GENCFG_OFFSET) + +#define LOONGSON_GENCFG_DEBUGMODE 0x00000001 +#define LOONGSON_GENCFG_SNOOPEN 0x00000002 +#define LOONGSON_GENCFG_CPUSELFRESET 0x00000004 + +#define LOONGSON_GENCFG_FORCE_IRQA 0x00000008 +#define LOONGSON_GENCFG_IRQA_ISOUT 0x00000010 +#define LOONGSON_GENCFG_IRQA_FROM_INT1 0x00000020 +#define LOONGSON_GENCFG_BYTESWAP 0x00000040 + +#define LOONGSON_GENCFG_UNCACHED 0x00000080 +#define LOONGSON_GENCFG_PREFETCHEN 0x00000100 +#define LOONGSON_GENCFG_WBEHINDEN 0x00000200 +#define LOONGSON_GENCFG_CACHEALG 0x00000c00 +#define LOONGSON_GENCFG_CACHEALG_SHIFT 10 +#define LOONGSON_GENCFG_PCIQUEUE 0x00001000 +#define LOONGSON_GENCFG_CACHESTOP 0x00002000 +#define LOONGSON_GENCFG_MSTRBYTESWAP 0x00004000 +#define LOONGSON_GENCFG_BUSERREN 0x00008000 +#define LOONGSON_GENCFG_NORETRYTIMEOUT 0x00010000 +#define LOONGSON_GENCFG_SHORTCOPYTIMEOUT 0x00020000 + +/* PCI address map control */ + +#define LOONGSON_PCIMAP LOONGSON_REG(LOONGSON_REGBASE + 0x10) +#define LOONGSON_PCIMEMBASECFG LOONGSON_REG(LOONGSON_REGBASE + 0x14) +#define LOONGSON_PCIMAP_CFG LOONGSON_REG(LOONGSON_REGBASE + 0x18) + +/* GPIO Regs - r/w */ + +#define LOONGSON_GPIODATA LOONGSON_REG(LOONGSON_REGBASE + 0x1c) +#define LOONGSON_GPIOIE LOONGSON_REG(LOONGSON_REGBASE + 0x20) + +/* ICU Configuration Regs - r/w */ + +#define LOONGSON_INTEDGE LOONGSON_REG(LOONGSON_REGBASE + 0x24) +#define LOONGSON_INTSTEER LOONGSON_REG(LOONGSON_REGBASE + 0x28) +#define LOONGSON_INTPOL LOONGSON_REG(LOONGSON_REGBASE + 0x2c) + +/* ICU Enable Regs - IntEn & IntISR are r/o. */ + +#define LOONGSON_INTENSET LOONGSON_REG(LOONGSON_REGBASE + 0x30) +#define LOONGSON_INTENCLR LOONGSON_REG(LOONGSON_REGBASE + 0x34) +#define LOONGSON_INTEN LOONGSON_REG(LOONGSON_REGBASE + 0x38) +#define LOONGSON_INTISR LOONGSON_REG(LOONGSON_REGBASE + 0x3c) + +/* ICU */ +#define LOONGSON_ICU_MBOXES 0x0000000f +#define LOONGSON_ICU_MBOXES_SHIFT 0 +#define LOONGSON_ICU_DMARDY 0x00000010 +#define LOONGSON_ICU_DMAEMPTY 0x00000020 +#define LOONGSON_ICU_COPYRDY 0x00000040 +#define LOONGSON_ICU_COPYEMPTY 0x00000080 +#define LOONGSON_ICU_COPYERR 0x00000100 +#define LOONGSON_ICU_PCIIRQ 0x00000200 +#define LOONGSON_ICU_MASTERERR 0x00000400 +#define LOONGSON_ICU_SYSTEMERR 0x00000800 +#define LOONGSON_ICU_DRAMPERR 0x00001000 +#define LOONGSON_ICU_RETRYERR 0x00002000 +#define LOONGSON_ICU_GPIOS 0x01ff0000 +#define LOONGSON_ICU_GPIOS_SHIFT 16 +#define LOONGSON_ICU_GPINS 0x7e000000 +#define LOONGSON_ICU_GPINS_SHIFT 25 +#define LOONGSON_ICU_MBOX(N) (1<<(LOONGSON_ICU_MBOXES_SHIFT+(N))) +#define LOONGSON_ICU_GPIO(N) (1<<(LOONGSON_ICU_GPIOS_SHIFT+(N))) +#define LOONGSON_ICU_GPIN(N) (1<<(LOONGSON_ICU_GPINS_SHIFT+(N))) + +/* PCI prefetch window base & mask */ + +#define LOONGSON_MEM_WIN_BASE_L LOONGSON_REG(LOONGSON_REGBASE + 0x40) +#define LOONGSON_MEM_WIN_BASE_H LOONGSON_REG(LOONGSON_REGBASE + 0x44) +#define LOONGSON_MEM_WIN_MASK_L LOONGSON_REG(LOONGSON_REGBASE + 0x48) +#define LOONGSON_MEM_WIN_MASK_H LOONGSON_REG(LOONGSON_REGBASE + 0x4c) /* PCI_Hit*_Sel_* */ -#define LOONGSON_PCI_HIT0_SEL_L BONITO(BONITO_REGBASE + 0x50) -#define LOONGSON_PCI_HIT0_SEL_H BONITO(BONITO_REGBASE + 0x54) -#define LOONGSON_PCI_HIT1_SEL_L BONITO(BONITO_REGBASE + 0x58) -#define LOONGSON_PCI_HIT1_SEL_H BONITO(BONITO_REGBASE + 0x5c) -#define LOONGSON_PCI_HIT2_SEL_L BONITO(BONITO_REGBASE + 0x60) -#define LOONGSON_PCI_HIT2_SEL_H BONITO(BONITO_REGBASE + 0x64) +#define LOONGSON_PCI_HIT0_SEL_L LOONGSON_REG(LOONGSON_REGBASE + 0x50) +#define LOONGSON_PCI_HIT0_SEL_H LOONGSON_REG(LOONGSON_REGBASE + 0x54) +#define LOONGSON_PCI_HIT1_SEL_L LOONGSON_REG(LOONGSON_REGBASE + 0x58) +#define LOONGSON_PCI_HIT1_SEL_H LOONGSON_REG(LOONGSON_REGBASE + 0x5c) +#define LOONGSON_PCI_HIT2_SEL_L LOONGSON_REG(LOONGSON_REGBASE + 0x60) +#define LOONGSON_PCI_HIT2_SEL_H LOONGSON_REG(LOONGSON_REGBASE + 0x64) /* PXArb Config & Status */ -#define LOONGSON_PXARB_CFG BONITO(BONITO_REGBASE + 0x68) -#define LOONGSON_PXARB_STATUS BONITO(BONITO_REGBASE + 0x6c) +#define LOONGSON_PXARB_CFG LOONGSON_REG(LOONGSON_REGBASE + 0x68) +#define LOONGSON_PXARB_STATUS LOONGSON_REG(LOONGSON_REGBASE + 0x6c) + +/* pcimap */ + +#define LOONGSON_PCIMAP_PCIMAP_LO0 0x0000003f +#define LOONGSON_PCIMAP_PCIMAP_LO0_SHIFT 0 +#define LOONGSON_PCIMAP_PCIMAP_LO1 0x00000fc0 +#define LOONGSON_PCIMAP_PCIMAP_LO1_SHIFT 6 +#define LOONGSON_PCIMAP_PCIMAP_LO2 0x0003f000 +#define LOONGSON_PCIMAP_PCIMAP_LO2_SHIFT 12 +#define LOONGSON_PCIMAP_PCIMAP_2 0x00040000 +#define LOONGSON_PCIMAP_WIN(WIN, ADDR) \ + ((((ADDR)>>26) & LOONGSON_PCIMAP_PCIMAP_LO0) << ((WIN)*6)) + +#ifdef CONFIG_CPU_SUPPORTS_CPUFREQ +#include <linux/cpufreq.h> +extern void loongson2_cpu_wait(void); +extern struct cpufreq_frequency_table loongson2_clockmod_table[]; + +/* Chip Config */ +#define LOONGSON_CHIPCFG0 LOONGSON_REG(LOONGSON_REGBASE + 0x80) +#endif + +/* + * address windows configuration module + * + * loongson2e do not have this module + */ +#ifdef CONFIG_CPU_SUPPORTS_ADDRWINCFG + +/* address window config module base address */ +#define LOONGSON_ADDRWINCFG_BASE 0x3ff00000ul +#define LOONGSON_ADDRWINCFG_SIZE 0x180 + +extern unsigned long _loongson_addrwincfg_base; +#define LOONGSON_ADDRWINCFG(offset) \ + (*(volatile u64 *)(_loongson_addrwincfg_base + (offset))) + +#define CPU_WIN0_BASE LOONGSON_ADDRWINCFG(0x00) +#define CPU_WIN1_BASE LOONGSON_ADDRWINCFG(0x08) +#define CPU_WIN2_BASE LOONGSON_ADDRWINCFG(0x10) +#define CPU_WIN3_BASE LOONGSON_ADDRWINCFG(0x18) + +#define CPU_WIN0_MASK LOONGSON_ADDRWINCFG(0x20) +#define CPU_WIN1_MASK LOONGSON_ADDRWINCFG(0x28) +#define CPU_WIN2_MASK LOONGSON_ADDRWINCFG(0x30) +#define CPU_WIN3_MASK LOONGSON_ADDRWINCFG(0x38) + +#define CPU_WIN0_MMAP LOONGSON_ADDRWINCFG(0x40) +#define CPU_WIN1_MMAP LOONGSON_ADDRWINCFG(0x48) +#define CPU_WIN2_MMAP LOONGSON_ADDRWINCFG(0x50) +#define CPU_WIN3_MMAP LOONGSON_ADDRWINCFG(0x58) + +#define PCIDMA_WIN0_BASE LOONGSON_ADDRWINCFG(0x60) +#define PCIDMA_WIN1_BASE LOONGSON_ADDRWINCFG(0x68) +#define PCIDMA_WIN2_BASE LOONGSON_ADDRWINCFG(0x70) +#define PCIDMA_WIN3_BASE LOONGSON_ADDRWINCFG(0x78) + +#define PCIDMA_WIN0_MASK LOONGSON_ADDRWINCFG(0x80) +#define PCIDMA_WIN1_MASK LOONGSON_ADDRWINCFG(0x88) +#define PCIDMA_WIN2_MASK LOONGSON_ADDRWINCFG(0x90) +#define PCIDMA_WIN3_MASK LOONGSON_ADDRWINCFG(0x98) + +#define PCIDMA_WIN0_MMAP LOONGSON_ADDRWINCFG(0xa0) +#define PCIDMA_WIN1_MMAP LOONGSON_ADDRWINCFG(0xa8) +#define PCIDMA_WIN2_MMAP LOONGSON_ADDRWINCFG(0xb0) +#define PCIDMA_WIN3_MMAP LOONGSON_ADDRWINCFG(0xb8) + +#define ADDRWIN_WIN0 0 +#define ADDRWIN_WIN1 1 +#define ADDRWIN_WIN2 2 +#define ADDRWIN_WIN3 3 + +#define ADDRWIN_MAP_DST_DDR 0 +#define ADDRWIN_MAP_DST_PCI 1 +#define ADDRWIN_MAP_DST_LIO 1 + +/* + * s: CPU, PCIDMA + * d: DDR, PCI, LIO + * win: 0, 1, 2, 3 + * src: map source + * dst: map destination + * size: ~mask + 1 + */ +#define LOONGSON_ADDRWIN_CFG(s, d, w, src, dst, size) do {\ + s##_WIN##w##_BASE = (src); \ + s##_WIN##w##_MMAP = (src) | ADDRWIN_MAP_DST_##d; \ + s##_WIN##w##_MASK = ~(size-1); \ +} while (0) + +#define LOONGSON_ADDRWIN_CPUTOPCI(win, src, dst, size) \ + LOONGSON_ADDRWIN_CFG(CPU, PCI, win, src, dst, size) +#define LOONGSON_ADDRWIN_CPUTODDR(win, src, dst, size) \ + LOONGSON_ADDRWIN_CFG(CPU, DDR, win, src, dst, size) +#define LOONGSON_ADDRWIN_PCITODDR(win, src, dst, size) \ + LOONGSON_ADDRWIN_CFG(PCIDMA, DDR, win, src, dst, size) -/* loongson2-specific perf counter IRQ */ -#define LOONGSON2_PERFCNT_IRQ (MIPS_CPU_IRQ_BASE + 6) +#endif /* ! CONFIG_CPU_SUPPORTS_ADDRWINCFG */ #endif /* __ASM_MACH_LOONGSON_LOONGSON_H */ diff --git a/arch/mips/include/asm/mach-loongson/machine.h b/arch/mips/include/asm/mach-loongson/machine.h index 206ea206791..acf8359cb13 100644 --- a/arch/mips/include/asm/mach-loongson/machine.h +++ b/arch/mips/include/asm/mach-loongson/machine.h @@ -13,10 +13,15 @@ #ifdef CONFIG_LEMOTE_FULOONG2E -#define LOONGSON_UART_BASE (BONITO_PCIIO_BASE + 0x3f8) - #define LOONGSON_MACHTYPE MACH_LEMOTE_FL2E #endif +/* use fuloong2f as the default machine of LEMOTE_MACH2F */ +#ifdef CONFIG_LEMOTE_MACH2F + +#define LOONGSON_MACHTYPE MACH_LEMOTE_FL2F + +#endif + #endif /* __ASM_MACH_LOONGSON_MACHINE_H */ diff --git a/arch/mips/include/asm/mach-loongson/mem.h b/arch/mips/include/asm/mach-loongson/mem.h index bd7b3cba7e3..e9960f341b9 100644 --- a/arch/mips/include/asm/mach-loongson/mem.h +++ b/arch/mips/include/asm/mach-loongson/mem.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 2009 Lemote, Inc. & Institute of Computing Technology + * Copyright (C) 2009 Lemote, Inc. * Author: Wu Zhangjin <wuzj@lemote.com> * * This program is free software; you can redistribute it and/or modify it @@ -12,19 +12,30 @@ #define __ASM_MACH_LOONGSON_MEM_H /* - * On Lemote Loongson 2e + * high memory space * - * the high memory space starts from 512M. - * the peripheral registers reside between 0x1000:0000 and 0x2000:0000. + * in loongson2e, starts from 512M + * in loongson2f, starts from 2G 256M */ +#ifdef CONFIG_CPU_LOONGSON2E +#define LOONGSON_HIGHMEM_START 0x20000000 +#else +#define LOONGSON_HIGHMEM_START 0x90000000 +#endif -#ifdef CONFIG_LEMOTE_FULOONG2E - -#define LOONGSON_HIGHMEM_START 0x20000000 +/* + * the peripheral registers(MMIO): + * + * On the Lemote Loongson 2e system, reside between 0x1000:0000 and 0x2000:0000. + * On the Lemote Loongson 2f system, reside between 0x1000:0000 and 0x8000:0000. + */ #define LOONGSON_MMIO_MEM_START 0x10000000 -#define LOONGSON_MMIO_MEM_END 0x20000000 +#ifdef CONFIG_CPU_LOONGSON2E +#define LOONGSON_MMIO_MEM_END 0x20000000 +#else +#define LOONGSON_MMIO_MEM_END 0x80000000 #endif #endif /* __ASM_MACH_LOONGSON_MEM_H */ diff --git a/arch/mips/include/asm/mach-loongson/pci.h b/arch/mips/include/asm/mach-loongson/pci.h index f1663ca81da..a199a4f6de4 100644 --- a/arch/mips/include/asm/mach-loongson/pci.h +++ b/arch/mips/include/asm/mach-loongson/pci.h @@ -1,5 +1,6 @@ /* * Copyright (c) 2008 Zhang Le <r0bertz@gentoo.org> + * Copyright (c) 2009 Wu Zhangjin <wuzj@lemote.com> * * This program is free software; you can redistribute it * and/or modify it under the terms of the GNU General @@ -22,16 +23,39 @@ #ifndef __ASM_MACH_LOONGSON_PCI_H_ #define __ASM_MACH_LOONGSON_PCI_H_ -extern struct pci_ops bonito64_pci_ops; +extern struct pci_ops loongson_pci_ops; -#ifdef CONFIG_LEMOTE_FULOONG2E +/* this is an offset from mips_io_port_base */ +#define LOONGSON_PCI_IO_START 0x00004000UL + +#ifdef CONFIG_CPU_SUPPORTS_ADDRWINCFG + +/* + * we use address window2 to map cpu address space to pci space + * window2: cpu [1G, 2G] -> pci [1G, 2G] + * why not use window 0 & 1? because they are used by cpu when booting. + * window0: cpu [0, 256M] -> ddr [0, 256M] + * window1: cpu [256M, 512M] -> pci [256M, 512M] + */ + +/* the smallest LOONGSON_CPU_MEM_SRC can be 512M */ +#define LOONGSON_CPU_MEM_SRC 0x40000000ul /* 1G */ +#define LOONGSON_PCI_MEM_DST LOONGSON_CPU_MEM_SRC + +#define LOONGSON_PCI_MEM_START LOONGSON_PCI_MEM_DST +#define LOONGSON_PCI_MEM_END (0x80000000ul-1) /* 2G */ + +#define MMAP_CPUTOPCI_SIZE (LOONGSON_PCI_MEM_END - \ + LOONGSON_PCI_MEM_START + 1) + +#else /* loongson2f/32bit & loongson2e */ /* this pci memory space is mapped by pcimap in pci.c */ -#define LOONGSON_PCI_MEM_START BONITO_PCILO1_BASE -#define LOONGSON_PCI_MEM_END (BONITO_PCILO1_BASE + 0x04000000 * 2) +#define LOONGSON_PCI_MEM_START LOONGSON_PCILO1_BASE +#define LOONGSON_PCI_MEM_END (LOONGSON_PCILO1_BASE + 0x04000000 * 2) /* this is an offset from mips_io_port_base */ #define LOONGSON_PCI_IO_START 0x00004000UL -#endif +#endif /* !CONFIG_CPU_SUPPORTS_ADDRWINCFG */ #endif /* !__ASM_MACH_LOONGSON_PCI_H_ */ diff --git a/arch/mips/include/asm/mach-powertv/asic.h b/arch/mips/include/asm/mach-powertv/asic.h new file mode 100644 index 00000000000..bcad43a93eb --- /dev/null +++ b/arch/mips/include/asm/mach-powertv/asic.h @@ -0,0 +1,107 @@ +/* + * Copyright (C) 2009 Cisco Systems, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef _ASM_MACH_POWERTV_ASIC_H +#define _ASM_MACH_POWERTV_ASIC_H + +#include <linux/ioport.h> +#include <asm/mach-powertv/asic_regs.h> + +#define DVR_CAPABLE (1<<0) +#define PCIE_CAPABLE (1<<1) +#define FFS_CAPABLE (1<<2) +#define DISPLAY_CAPABLE (1<<3) + +/* Platform Family types + * For compitability, the new value must be added in the end */ +enum family_type { + FAMILY_8500, + FAMILY_8500RNG, + FAMILY_4500, + FAMILY_1500, + FAMILY_8600, + FAMILY_4600, + FAMILY_4600VZA, + FAMILY_8600VZB, + FAMILY_1500VZE, + FAMILY_1500VZF, + FAMILIES +}; + +/* Register maps for each ASIC */ +extern const struct register_map calliope_register_map; +extern const struct register_map cronus_register_map; +extern const struct register_map zeus_register_map; + +extern struct resource dvr_cronus_resources[]; +extern struct resource dvr_zeus_resources[]; +extern struct resource non_dvr_calliope_resources[]; +extern struct resource non_dvr_cronus_resources[]; +extern struct resource non_dvr_cronuslite_resources[]; +extern struct resource non_dvr_vz_calliope_resources[]; +extern struct resource non_dvr_vze_calliope_resources[]; +extern struct resource non_dvr_vzf_calliope_resources[]; +extern struct resource non_dvr_zeus_resources[]; + +extern void powertv_platform_init(void); +extern void platform_alloc_bootmem(void); +extern enum asic_type platform_get_asic(void); +extern enum family_type platform_get_family(void); +extern int platform_supports_dvr(void); +extern int platform_supports_ffs(void); +extern int platform_supports_pcie(void); +extern int platform_supports_display(void); +extern void configure_platform(void); +extern void platform_configure_usb_ehci(void); +extern void platform_unconfigure_usb_ehci(void); +extern void platform_configure_usb_ohci(void); +extern void platform_unconfigure_usb_ohci(void); + +/* Platform Resources */ +#define ASIC_RESOURCE_GET_EXISTS 1 +extern struct resource *asic_resource_get(const char *name); +extern void platform_release_memory(void *baddr, int size); + +/* Reboot Cause */ +extern void set_reboot_cause(char code, unsigned int data, unsigned int data2); +extern void set_locked_reboot_cause(char code, unsigned int data, + unsigned int data2); + +enum sys_reboot_type { + sys_unknown_reboot = 0x00, /* Unknown reboot cause */ + sys_davic_change = 0x01, /* Reboot due to change in DAVIC + * mode */ + sys_user_reboot = 0x02, /* Reboot initiated by user */ + sys_system_reboot = 0x03, /* Reboot initiated by OS */ + sys_trap_reboot = 0x04, /* Reboot due to a CPU trap */ + sys_silent_reboot = 0x05, /* Silent reboot */ + sys_boot_ldr_reboot = 0x06, /* Bootloader reboot */ + sys_power_up_reboot = 0x07, /* Power on bootup. Older + * drivers may report as + * userReboot. */ + sys_code_change = 0x08, /* Reboot to take code change. + * Older drivers may report as + * userReboot. */ + sys_hardware_reset = 0x09, /* HW watchdog or front-panel + * reset button reset. Older + * drivers may report as + * userReboot. */ + sys_watchdogInterrupt = 0x0A /* Pre-watchdog interrupt */ +}; + +#endif /* _ASM_MACH_POWERTV_ASIC_H */ diff --git a/arch/mips/include/asm/mach-powertv/asic_regs.h b/arch/mips/include/asm/mach-powertv/asic_regs.h new file mode 100644 index 00000000000..9a65c93782f --- /dev/null +++ b/arch/mips/include/asm/mach-powertv/asic_regs.h @@ -0,0 +1,155 @@ +/* + * Copyright (C) 2009 Cisco Systems, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef __ASM_MACH_POWERTV_ASIC_H_ +#define __ASM_MACH_POWERTV_ASIC_H_ +#include <linux/io.h> + +/* ASIC types */ +enum asic_type { + ASIC_UNKNOWN, + ASIC_ZEUS, + ASIC_CALLIOPE, + ASIC_CRONUS, + ASIC_CRONUSLITE, + ASICS +}; + +/* hardcoded values read from Chip Version registers */ +#define CRONUS_10 0x0B4C1C20 +#define CRONUS_11 0x0B4C1C21 +#define CRONUSLITE_10 0x0B4C1C40 + +#define NAND_FLASH_BASE 0x03000000 +#define ZEUS_IO_BASE 0x09000000 +#define CALLIOPE_IO_BASE 0x08000000 +#define CRONUS_IO_BASE 0x09000000 +#define ASIC_IO_SIZE 0x01000000 + +/* Definitions for backward compatibility */ +#define UART1_INTSTAT uart1_intstat +#define UART1_INTEN uart1_inten +#define UART1_CONFIG1 uart1_config1 +#define UART1_CONFIG2 uart1_config2 +#define UART1_DIVISORHI uart1_divisorhi +#define UART1_DIVISORLO uart1_divisorlo +#define UART1_DATA uart1_data +#define UART1_STATUS uart1_status + +/* ASIC register enumeration */ +struct register_map { + u32 eic_slow0_strt_add; + u32 eic_cfg_bits; + u32 eic_ready_status; + + u32 chipver3; + u32 chipver2; + u32 chipver1; + u32 chipver0; + + u32 uart1_intstat; + u32 uart1_inten; + u32 uart1_config1; + u32 uart1_config2; + u32 uart1_divisorhi; + u32 uart1_divisorlo; + u32 uart1_data; + u32 uart1_status; + + u32 int_stat_3; + u32 int_stat_2; + u32 int_stat_1; + u32 int_stat_0; + u32 int_config; + u32 int_int_scan; + u32 ien_int_3; + u32 ien_int_2; + u32 ien_int_1; + u32 ien_int_0; + u32 int_level_3_3; + u32 int_level_3_2; + u32 int_level_3_1; + u32 int_level_3_0; + u32 int_level_2_3; + u32 int_level_2_2; + u32 int_level_2_1; + u32 int_level_2_0; + u32 int_level_1_3; + u32 int_level_1_2; + u32 int_level_1_1; + u32 int_level_1_0; + u32 int_level_0_3; + u32 int_level_0_2; + u32 int_level_0_1; + u32 int_level_0_0; + u32 int_docsis_en; + + u32 mips_pll_setup; + u32 usb_fs; + u32 test_bus; + u32 crt_spare; + u32 usb2_ohci_int_mask; + u32 usb2_strap; + u32 ehci_hcapbase; + u32 ohci_hc_revision; + u32 bcm1_bs_lmi_steer; + u32 usb2_control; + u32 usb2_stbus_obc; + u32 usb2_stbus_mess_size; + u32 usb2_stbus_chunk_size; + + u32 pcie_regs; + u32 tim_ch; + u32 tim_cl; + u32 gpio_dout; + u32 gpio_din; + u32 gpio_dir; + u32 watchdog; + u32 front_panel; + + u32 register_maps; +}; + +extern enum asic_type asic; +extern const struct register_map *register_map; +extern unsigned long asic_phy_base; /* Physical address of ASIC */ +extern unsigned long asic_base; /* Virtual address of ASIC */ + +/* + * Macros to interface to registers through their ioremapped address + * asic_reg_offset Returns the offset of a given register from the start + * of the ASIC address space + * asic_reg_phys_addr Returns the physical address of the given register + * asic_reg_addr Returns the iomapped virtual address of the given + * register. + */ +#define asic_reg_offset(x) (register_map->x) +#define asic_reg_phys_addr(x) (asic_phy_base + asic_reg_offset(x)) +#define asic_reg_addr(x) \ + ((unsigned int *) (asic_base + asic_reg_offset(x))) + +/* + * The asic_reg macro is gone. It should be replaced by either asic_read or + * asic_write, as appropriate. + */ + +#define asic_read(x) readl(asic_reg_addr(x)) +#define asic_write(v, x) writel(v, asic_reg_addr(x)) + +extern void asic_irq_init(void); +#endif diff --git a/arch/mips/include/asm/mach-powertv/dma-coherence.h b/arch/mips/include/asm/mach-powertv/dma-coherence.h new file mode 100644 index 00000000000..5b8d5ebeb83 --- /dev/null +++ b/arch/mips/include/asm/mach-powertv/dma-coherence.h @@ -0,0 +1,119 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Version from mach-generic modified to support PowerTV port + * Portions Copyright (C) 2009 Cisco Systems, Inc. + * Copyright (C) 2006 Ralf Baechle <ralf@linux-mips.org> + * + */ + +#ifndef __ASM_MACH_POWERTV_DMA_COHERENCE_H +#define __ASM_MACH_POWERTV_DMA_COHERENCE_H + +#include <linux/sched.h> +#include <linux/version.h> +#include <linux/device.h> +#include <asm/mach-powertv/asic.h> + +static inline bool is_kseg2(void *addr) +{ + return (unsigned long)addr >= KSEG2; +} + +static inline unsigned long virt_to_phys_from_pte(void *addr) +{ + pgd_t *pgd; + pud_t *pud; + pmd_t *pmd; + pte_t *ptep, pte; + + unsigned long virt_addr = (unsigned long)addr; + unsigned long phys_addr = 0UL; + + /* get the page global directory. */ + pgd = pgd_offset_k(virt_addr); + + if (!pgd_none(*pgd)) { + /* get the page upper directory */ + pud = pud_offset(pgd, virt_addr); + if (!pud_none(*pud)) { + /* get the page middle directory */ + pmd = pmd_offset(pud, virt_addr); + if (!pmd_none(*pmd)) { + /* get a pointer to the page table entry */ + ptep = pte_offset(pmd, virt_addr); + pte = *ptep; + /* check for a valid page */ + if (pte_present(pte)) { + /* get the physical address the page is + * refering to */ + phys_addr = (unsigned long) + page_to_phys(pte_page(pte)); + /* add the offset within the page */ + phys_addr |= (virt_addr & ~PAGE_MASK); + } + } + } + } + + return phys_addr; +} + +static inline dma_addr_t plat_map_dma_mem(struct device *dev, void *addr, + size_t size) +{ + if (is_kseg2(addr)) + return phys_to_bus(virt_to_phys_from_pte(addr)); + else + return phys_to_bus(virt_to_phys(addr)); +} + +static inline dma_addr_t plat_map_dma_mem_page(struct device *dev, + struct page *page) +{ + return phys_to_bus(page_to_phys(page)); +} + +static inline unsigned long plat_dma_addr_to_phys(struct device *dev, + dma_addr_t dma_addr) +{ + return bus_to_phys(dma_addr); +} + +static inline void plat_unmap_dma_mem(struct device *dev, dma_addr_t dma_addr, + size_t size, enum dma_data_direction direction) +{ +} + +static inline int plat_dma_supported(struct device *dev, u64 mask) +{ + /* + * we fall back to GFP_DMA when the mask isn't all 1s, + * so we can't guarantee allocations that must be + * within a tighter range than GFP_DMA.. + */ + if (mask < DMA_BIT_MASK(24)) + return 0; + + return 1; +} + +static inline void plat_extra_sync_for_device(struct device *dev) +{ + return; +} + +static inline int plat_dma_mapping_error(struct device *dev, + dma_addr_t dma_addr) +{ + return 0; +} + +static inline int plat_device_is_coherent(struct device *dev) +{ + return 0; +} + +#endif /* __ASM_MACH_POWERTV_DMA_COHERENCE_H */ diff --git a/arch/mips/include/asm/mach-powertv/interrupts.h b/arch/mips/include/asm/mach-powertv/interrupts.h new file mode 100644 index 00000000000..629a5741365 --- /dev/null +++ b/arch/mips/include/asm/mach-powertv/interrupts.h @@ -0,0 +1,254 @@ +/* + * Copyright (C) 2009 Cisco Systems, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef _ASM_MACH_POWERTV_INTERRUPTS_H_ +#define _ASM_MACH_POWERTV_INTERRUPTS_H_ + +/* + * Defines for all of the interrupt lines + */ + +/* Definitions for backward compatibility */ +#define kIrq_Uart1 irq_uart1 + +#define ibase 0 + +/*------------- Register: int_stat_3 */ +/* 126 unused (bit 31) */ +#define irq_asc2video (ibase+126) /* ASC 2 Video Interrupt */ +#define irq_asc1video (ibase+125) /* ASC 1 Video Interrupt */ +#define irq_comms_block_wd (ibase+124) /* ASC 1 Video Interrupt */ +#define irq_fdma_mailbox (ibase+123) /* FDMA Mailbox Output */ +#define irq_fdma_gp (ibase+122) /* FDMA GP Output */ +#define irq_mips_pic (ibase+121) /* MIPS Performance Counter + * Interrupt */ +#define irq_mips_timer (ibase+120) /* MIPS Timer Interrupt */ +#define irq_memory_protect (ibase+119) /* Memory Protection Interrupt + * -- Ored by glue logic inside + * SPARC ILC (see + * INT_MEM_PROT_STAT, below, + * for individual interrupts) + */ +/* 118 unused (bit 22) */ +#define irq_sbag (ibase+117) /* SBAG Interrupt -- Ored by + * glue logic inside SPARC ILC + * (see INT_SBAG_STAT, below, + * for individual interrupts) */ +#define irq_qam_b_fec (ibase+116) /* QAM B FEC Interrupt */ +#define irq_qam_a_fec (ibase+115) /* QAM A FEC Interrupt */ +/* 114 unused (bit 18) */ +#define irq_mailbox (ibase+113) /* Mailbox Debug Interrupt -- + * Ored by glue logic inside + * SPARC ILC (see + * INT_MAILBOX_STAT, below, for + * individual interrupts) */ +#define irq_fuse_stat1 (ibase+112) /* Fuse Status 1 */ +#define irq_fuse_stat2 (ibase+111) /* Fuse Status 2 */ +#define irq_fuse_stat3 (ibase+110) /* Blitter Interrupt / Fuse + * Status 3 */ +#define irq_blitter (ibase+110) /* Blitter Interrupt / Fuse + * Status 3 */ +#define irq_avc1_pp0 (ibase+109) /* AVC Decoder #1 PP0 + * Interrupt */ +#define irq_avc1_pp1 (ibase+108) /* AVC Decoder #1 PP1 + * Interrupt */ +#define irq_avc1_mbe (ibase+107) /* AVC Decoder #1 MBE + * Interrupt */ +#define irq_avc2_pp0 (ibase+106) /* AVC Decoder #2 PP0 + * Interrupt */ +#define irq_avc2_pp1 (ibase+105) /* AVC Decoder #2 PP1 + * Interrupt */ +#define irq_avc2_mbe (ibase+104) /* AVC Decoder #2 MBE + * Interrupt */ +#define irq_zbug_spi (ibase+103) /* Zbug SPI Slave Interrupt */ +#define irq_qam_mod2 (ibase+102) /* QAM Modulator 2 DMA + * Interrupt */ +#define irq_ir_rx (ibase+101) /* IR RX 2 Interrupt */ +#define irq_aud_dsp2 (ibase+100) /* Audio DSP #2 Interrupt */ +#define irq_aud_dsp1 (ibase+99) /* Audio DSP #1 Interrupt */ +#define irq_docsis (ibase+98) /* DOCSIS Debug Interrupt */ +#define irq_sd_dvp1 (ibase+97) /* SD DVP #1 Interrupt */ +#define irq_sd_dvp2 (ibase+96) /* SD DVP #2 Interrupt */ +/*------------- Register: int_stat_2 */ +#define irq_hd_dvp (ibase+95) /* HD DVP Interrupt */ +#define kIrq_Prewatchdog (ibase+94) /* watchdog Pre-Interrupt */ +#define irq_timer2 (ibase+93) /* Programmable Timer + * Interrupt 2 */ +#define irq_1394 (ibase+92) /* 1394 Firewire Interrupt */ +#define irq_usbohci (ibase+91) /* USB 2.0 OHCI Interrupt */ +#define irq_usbehci (ibase+90) /* USB 2.0 EHCI Interrupt */ +#define irq_pciexp (ibase+89) /* PCI Express 0 Interrupt */ +#define irq_pciexp0 (ibase+89) /* PCI Express 0 Interrupt */ +#define irq_afe1 (ibase+88) /* AFE 1 Interrupt */ +#define irq_sata (ibase+87) /* SATA 1 Interrupt */ +#define irq_sata1 (ibase+87) /* SATA 1 Interrupt */ +#define irq_dtcp (ibase+86) /* DTCP Interrupt */ +#define irq_pciexp1 (ibase+85) /* PCI Express 1 Interrupt */ +/* 84 unused (bit 20) */ +/* 83 unused (bit 19) */ +/* 82 unused (bit 18) */ +#define irq_sata2 (ibase+81) /* SATA2 Interrupt */ +#define irq_uart2 (ibase+80) /* UART2 Interrupt */ +#define irq_legacy_usb (ibase+79) /* Legacy USB Host ISR (1.1 + * Host module) */ +#define irq_pod (ibase+78) /* POD Interrupt */ +#define irq_slave_usb (ibase+77) /* Slave USB */ +#define irq_denc1 (ibase+76) /* DENC #1 VTG Interrupt */ +#define irq_vbi_vtg (ibase+75) /* VBI VTG Interrupt */ +#define irq_afe2 (ibase+74) /* AFE 2 Interrupt */ +#define irq_denc2 (ibase+73) /* DENC #2 VTG Interrupt */ +#define irq_asc2 (ibase+72) /* ASC #2 Interrupt */ +#define irq_asc1 (ibase+71) /* ASC #1 Interrupt */ +#define irq_mod_dma (ibase+70) /* Modulator DMA Interrupt */ +#define irq_byte_eng1 (ibase+69) /* Byte Engine Interrupt [1] */ +#define irq_byte_eng0 (ibase+68) /* Byte Engine Interrupt [0] */ +/* 67 unused (bit 03) */ +/* 66 unused (bit 02) */ +/* 65 unused (bit 01) */ +/* 64 unused (bit 00) */ +/*------------- Register: int_stat_1 */ +/* 63 unused (bit 31) */ +/* 62 unused (bit 30) */ +/* 61 unused (bit 29) */ +/* 60 unused (bit 28) */ +/* 59 unused (bit 27) */ +/* 58 unused (bit 26) */ +/* 57 unused (bit 25) */ +/* 56 unused (bit 24) */ +#define irq_buf_dma_mem2mem (ibase+55) /* BufDMA Memory to Memory + * Interrupt */ +#define irq_buf_dma_usbtransmit (ibase+54) /* BufDMA USB Transmit + * Interrupt */ +#define irq_buf_dma_qpskpodtransmit (ibase+53) /* BufDMA QPSK/POD Tramsit + * Interrupt */ +#define irq_buf_dma_transmit_error (ibase+52) /* BufDMA Transmit Error + * Interrupt */ +#define irq_buf_dma_usbrecv (ibase+51) /* BufDMA USB Receive + * Interrupt */ +#define irq_buf_dma_qpskpodrecv (ibase+50) /* BufDMA QPSK/POD Receive + * Interrupt */ +#define irq_buf_dma_recv_error (ibase+49) /* BufDMA Receive Error + * Interrupt */ +#define irq_qamdma_transmit_play (ibase+48) /* QAMDMA Transmit/Play + * Interrupt */ +#define irq_qamdma_transmit_error (ibase+47) /* QAMDMA Transmit Error + * Interrupt */ +#define irq_qamdma_recv2high (ibase+46) /* QAMDMA Receive 2 High + * (Chans 63-32) */ +#define irq_qamdma_recv2low (ibase+45) /* QAMDMA Receive 2 Low + * (Chans 31-0) */ +#define irq_qamdma_recv1high (ibase+44) /* QAMDMA Receive 1 High + * (Chans 63-32) */ +#define irq_qamdma_recv1low (ibase+43) /* QAMDMA Receive 1 Low + * (Chans 31-0) */ +#define irq_qamdma_recv_error (ibase+42) /* QAMDMA Receive Error + * Interrupt */ +#define irq_mpegsplice (ibase+41) /* MPEG Splice Interrupt */ +#define irq_deinterlace_rdy (ibase+40) /* Deinterlacer Frame Ready + * Interrupt */ +#define irq_ext_in0 (ibase+39) /* External Interrupt irq_in0 */ +#define irq_gpio3 (ibase+38) /* GP I/O IRQ 3 - From GP I/O + * Module */ +#define irq_gpio2 (ibase+37) /* GP I/O IRQ 2 - From GP I/O + * Module (ABE_intN) */ +#define irq_pcrcmplt1 (ibase+36) /* PCR Capture Complete or + * Discontinuity 1 */ +#define irq_pcrcmplt2 (ibase+35) /* PCR Capture Complete or + * Discontinuity 2 */ +#define irq_parse_peierr (ibase+34) /* PID Parser Error Detect + * (PEI) */ +#define irq_parse_cont_err (ibase+33) /* PID Parser continuity error + * detect */ +#define irq_ds1framer (ibase+32) /* DS1 Framer Interrupt */ +/*------------- Register: int_stat_0 */ +#define irq_gpio1 (ibase+31) /* GP I/O IRQ 1 - From GP I/O + * Module */ +#define irq_gpio0 (ibase+30) /* GP I/O IRQ 0 - From GP I/O + * Module */ +#define irq_qpsk_out_aloha (ibase+29) /* QPSK Output Slotted Aloha + * (chan 3) Transmission + * Completed OK */ +#define irq_qpsk_out_tdma (ibase+28) /* QPSK Output TDMA (chan 2) + * Transmission Completed OK */ +#define irq_qpsk_out_reserve (ibase+27) /* QPSK Output Reservation + * (chan 1) Transmission + * Completed OK */ +#define irq_qpsk_out_aloha_err (ibase+26) /* QPSK Output Slotted Aloha + * (chan 3)Transmission + * completed with Errors. */ +#define irq_qpsk_out_tdma_err (ibase+25) /* QPSK Output TDMA (chan 2) + * Transmission completed with + * Errors. */ +#define irq_qpsk_out_rsrv_err (ibase+24) /* QPSK Output Reservation + * (chan 1) Transmission + * completed with Errors */ +#define irq_aloha_fail (ibase+23) /* Unsuccessful Resend of Aloha + * for N times. Aloha retry + * timeout for channel 3. */ +#define irq_timer1 (ibase+22) /* Programmable Timer + * Interrupt */ +#define irq_keyboard (ibase+21) /* Keyboard Module Interrupt */ +#define irq_i2c (ibase+20) /* I2C Module Interrupt */ +#define irq_spi (ibase+19) /* SPI Module Interrupt */ +#define irq_irblaster (ibase+18) /* IR Blaster Interrupt */ +#define irq_splice_detect (ibase+17) /* PID Key Change Interrupt or + * Splice Detect Interrupt */ +#define irq_se_micro (ibase+16) /* Secure Micro I/F Module + * Interrupt */ +#define irq_uart1 (ibase+15) /* UART Interrupt */ +#define irq_irrecv (ibase+14) /* IR Receiver Interrupt */ +#define irq_host_int1 (ibase+13) /* Host-to-Host Interrupt 1 */ +#define irq_host_int0 (ibase+12) /* Host-to-Host Interrupt 0 */ +#define irq_qpsk_hecerr (ibase+11) /* QPSK HEC Error Interrupt */ +#define irq_qpsk_crcerr (ibase+10) /* QPSK AAL-5 CRC Error + * Interrupt */ +/* 9 unused (bit 09) */ +/* 8 unused (bit 08) */ +#define irq_psicrcerr (ibase+7) /* QAM PSI CRC Error + * Interrupt */ +#define irq_psilength_err (ibase+6) /* QAM PSI Length Error + * Interrupt */ +#define irq_esfforward (ibase+5) /* ESF Interrupt Mark From + * Forward Path Reference - + * every 3ms when forward Mbits + * and forward slot control + * bytes are updated. */ +#define irq_esfreverse (ibase+4) /* ESF Interrupt Mark from + * Reverse Path Reference - + * delayed from forward mark by + * the ranging delay plus a + * fixed amount. When reverse + * Mbits and reverse slot + * control bytes are updated. + * Occurs every 3ms for 3.0M and + * 1.554 M upstream rates and + * every 6 ms for 256K upstream + * rate. */ +#define irq_aloha_timeout (ibase+3) /* Slotted-Aloha timeout on + * Channel 1. */ +#define irq_reservation (ibase+2) /* Partial (or Incremental) + * Reservation Message Completed + * or Slotted aloha verify for + * channel 1. */ +#define irq_aloha3 (ibase+1) /* Slotted-Aloha Message Verify + * Interrupt or Reservation + * increment completed for + * channel 3. */ +#define irq_mpeg_d (ibase+0) /* MPEG Decoder Interrupt */ +#endif /* _ASM_MACH_POWERTV_INTERRUPTS_H_ */ + diff --git a/arch/mips/include/asm/mach-powertv/ioremap.h b/arch/mips/include/asm/mach-powertv/ioremap.h new file mode 100644 index 00000000000..e6276d5146e --- /dev/null +++ b/arch/mips/include/asm/mach-powertv/ioremap.h @@ -0,0 +1,90 @@ +/* + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + * + * Portions Copyright (C) Cisco Systems, Inc. + */ +#ifndef __ASM_MACH_POWERTV_IOREMAP_H +#define __ASM_MACH_POWERTV_IOREMAP_H + +#include <linux/types.h> + +#define LOW_MEM_BOUNDARY_PHYS 0x20000000 +#define LOW_MEM_BOUNDARY_MASK (~(LOW_MEM_BOUNDARY_PHYS - 1)) + +/* + * The bus addresses are different than the physical addresses that + * the processor sees by an offset. This offset varies by ASIC + * version. Define a variable to hold the offset and some macros to + * make the conversion simpler. */ +extern unsigned long phys_to_bus_offset; + +#ifdef CONFIG_HIGHMEM +#define MEM_GAP_PHYS 0x60000000 +/* + * TODO: We will use the hard code for conversion between physical and + * bus until the bootloader releases their device tree to us. + */ +#define phys_to_bus(x) (((x) < LOW_MEM_BOUNDARY_PHYS) ? \ + ((x) + phys_to_bus_offset) : (x)) +#define bus_to_phys(x) (((x) < MEM_GAP_PHYS_ADDR) ? \ + ((x) - phys_to_bus_offset) : (x)) +#else +#define phys_to_bus(x) ((x) + phys_to_bus_offset) +#define bus_to_phys(x) ((x) - phys_to_bus_offset) +#endif + +/* + * Determine whether the address we are given is for an ASIC device + * Params: addr Address to check + * Returns: Zero if the address is not for ASIC devices, non-zero + * if it is. + */ +static inline int asic_is_device_addr(phys_t addr) +{ + return !((phys_t)addr & (phys_t) LOW_MEM_BOUNDARY_MASK); +} + +/* + * Determine whether the address we are given is external RAM mappable + * into KSEG1. + * Params: addr Address to check + * Returns: Zero if the address is not for external RAM and + */ +static inline int asic_is_lowmem_ram_addr(phys_t addr) +{ + /* + * The RAM always starts at the following address in the processor's + * physical address space + */ + static const phys_t phys_ram_base = 0x10000000; + phys_t bus_ram_base; + + bus_ram_base = phys_to_bus_offset + phys_ram_base; + + return addr >= bus_ram_base && + addr < (bus_ram_base + (LOW_MEM_BOUNDARY_PHYS - phys_ram_base)); +} + +/* + * Allow physical addresses to be fixed up to help peripherals located + * outside the low 32-bit range -- generic pass-through version. + */ +static inline phys_t fixup_bigphys_addr(phys_t phys_addr, phys_t size) +{ + return phys_addr; +} + +static inline void __iomem *plat_ioremap(phys_t offset, unsigned long size, + unsigned long flags) +{ + return NULL; +} + +static inline int plat_iounmap(const volatile void __iomem *addr) +{ + return 0; +} +#endif /* __ASM_MACH_POWERTV_IOREMAP_H */ diff --git a/arch/mips/include/asm/mach-powertv/irq.h b/arch/mips/include/asm/mach-powertv/irq.h new file mode 100644 index 00000000000..4bd5d0c61a9 --- /dev/null +++ b/arch/mips/include/asm/mach-powertv/irq.h @@ -0,0 +1,25 @@ +/* + * Copyright (C) 2009 Cisco Systems, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef _ASM_MACH_POWERTV_IRQ_H +#define _ASM_MACH_POWERTV_IRQ_H +#include <asm/mach-powertv/interrupts.h> + +#define MIPS_CPU_IRQ_BASE ibase +#define NR_IRQS 127 +#endif diff --git a/arch/mips/include/asm/mach-powertv/powertv-clock.h b/arch/mips/include/asm/mach-powertv/powertv-clock.h new file mode 100644 index 00000000000..6f3e9a0fcf8 --- /dev/null +++ b/arch/mips/include/asm/mach-powertv/powertv-clock.h @@ -0,0 +1,29 @@ +/* + * Copyright (C) 2009 Cisco Systems, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ +/* + * Local definitions for the powertv PCI code + */ + +#ifndef _POWERTV_PCI_POWERTV_PCI_H_ +#define _POWERTV_PCI_POWERTV_PCI_H_ +extern int asic_pcie_map_irq(const struct pci_dev *dev, u8 slot, u8 pin); +extern int asic_pcie_init(void); +extern int asic_pcie_init(void); + +extern int log_level; +#endif diff --git a/arch/mips/include/asm/mach-excite/war.h b/arch/mips/include/asm/mach-powertv/war.h index 1f82180c159..7ac05ecc512 100644 --- a/arch/mips/include/asm/mach-excite/war.h +++ b/arch/mips/include/asm/mach-powertv/war.h @@ -3,10 +3,13 @@ * License. See the file "COPYING" in the main directory of this archive * for more details. * + * This version for the PowerTV platform copied from the Malta version. + * * Copyright (C) 2002, 2004, 2007 by Ralf Baechle <ralf@linux-mips.org> + * Portions copyright (C) 2009 Cisco Systems, Inc. */ -#ifndef __ASM_MIPS_MACH_EXCITE_WAR_H -#define __ASM_MIPS_MACH_EXCITE_WAR_H +#ifndef __ASM_MACH_POWERTV_WAR_H +#define __ASM_MACH_POWERTV_WAR_H #define R4600_V1_INDEX_ICACHEOP_WAR 0 #define R4600_V1_HIT_CACHEOP_WAR 0 @@ -14,12 +17,12 @@ #define R5432_CP0_INTERRUPT_WAR 0 #define BCM1250_M3_WAR 0 #define SIBYTE_1956_WAR 0 -#define MIPS4K_ICACHE_REFILL_WAR 0 -#define MIPS_CACHE_SYNC_WAR 0 +#define MIPS4K_ICACHE_REFILL_WAR 1 +#define MIPS_CACHE_SYNC_WAR 1 #define TX49XX_ICACHE_INDEX_INV_WAR 0 -#define RM9000_CDEX_SMP_WAR 1 -#define ICACHE_REFILLS_WORKAROUND_WAR 1 +#define RM9000_CDEX_SMP_WAR 0 +#define ICACHE_REFILLS_WORKAROUND_WAR 1 #define R10000_LLSC_WAR 0 -#define MIPS34K_MISSED_ITLB_WAR 0 +#define MIPS34K_MISSED_ITLB_WAR 0 -#endif /* __ASM_MIPS_MACH_EXCITE_WAR_H */ +#endif /* __ASM_MACH_POWERTV_WAR_H */ diff --git a/arch/mips/include/asm/mips-boards/bonito64.h b/arch/mips/include/asm/mips-boards/bonito64.h index a576ce044c3..d14e2adc4be 100644 --- a/arch/mips/include/asm/mips-boards/bonito64.h +++ b/arch/mips/include/asm/mips-boards/bonito64.h @@ -26,11 +26,6 @@ /* offsets from base register */ #define BONITO(x) (x) -#elif defined(CONFIG_LEMOTE_FULOONG2E) - -#define BONITO(x) (*(volatile u32 *)((char *)CKSEG1ADDR(BONITO_REG_BASE) + (x))) -#define BONITO_IRQ_BASE 32 - #else /* diff --git a/arch/mips/include/asm/mmu_context.h b/arch/mips/include/asm/mmu_context.h index 6083db58650..145bb81ccaa 100644 --- a/arch/mips/include/asm/mmu_context.h +++ b/arch/mips/include/asm/mmu_context.h @@ -24,6 +24,33 @@ #endif /* SMTC */ #include <asm-generic/mm_hooks.h> +#ifdef CONFIG_MIPS_PGD_C0_CONTEXT + +#define TLBMISS_HANDLER_SETUP_PGD(pgd) \ + tlbmiss_handler_setup_pgd((unsigned long)(pgd)) + +static inline void tlbmiss_handler_setup_pgd(unsigned long pgd) +{ + /* Check for swapper_pg_dir and convert to physical address. */ + if ((pgd & CKSEG3) == CKSEG0) + pgd = CPHYSADDR(pgd); + write_c0_context(pgd << 11); +} + +#define TLBMISS_HANDLER_SETUP() \ + do { \ + TLBMISS_HANDLER_SETUP_PGD(swapper_pg_dir); \ + write_c0_xcontext((unsigned long) smp_processor_id() << 51); \ + } while (0) + + +static inline unsigned long get_current_pgd(void) +{ + return PHYS_TO_XKSEG_CACHED((read_c0_context() >> 11) & ~0xfffUL); +} + +#else /* CONFIG_MIPS_PGD_C0_CONTEXT: using pgd_current*/ + /* * For the fast tlb miss handlers, we keep a per cpu array of pointers * to the current pgd for each processor. Also, the proc. id is stuffed @@ -46,7 +73,7 @@ extern unsigned long pgd_current[]; back_to_back_c0_hazard(); \ TLBMISS_HANDLER_SETUP_PGD(swapper_pg_dir) #endif - +#endif /* CONFIG_MIPS_PGD_C0_CONTEXT*/ #if defined(CONFIG_CPU_R3000) || defined(CONFIG_CPU_TX39XX) #define ASID_INC 0x40 diff --git a/arch/mips/include/asm/octeon/cvmx-agl-defs.h b/arch/mips/include/asm/octeon/cvmx-agl-defs.h new file mode 100644 index 00000000000..ec94b9ab7be --- /dev/null +++ b/arch/mips/include/asm/octeon/cvmx-agl-defs.h @@ -0,0 +1,1194 @@ +/***********************license start*************** + * Author: Cavium Networks + * + * Contact: support@caviumnetworks.com + * This file is part of the OCTEON SDK + * + * Copyright (c) 2003-2008 Cavium Networks + * + * This file is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License, Version 2, as + * published by the Free Software Foundation. + * + * This file is distributed in the hope that it will be useful, but + * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty + * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or + * NONINFRINGEMENT. See the GNU General Public License for more + * details. + * + * You should have received a copy of the GNU General Public License + * along with this file; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * or visit http://www.gnu.org/licenses/. + * + * This file may also be available under a different license from Cavium. + * Contact Cavium Networks for more information + ***********************license end**************************************/ + +#ifndef __CVMX_AGL_DEFS_H__ +#define __CVMX_AGL_DEFS_H__ + +#define CVMX_AGL_GMX_BAD_REG \ + CVMX_ADD_IO_SEG(0x00011800E0000518ull) +#define CVMX_AGL_GMX_BIST \ + CVMX_ADD_IO_SEG(0x00011800E0000400ull) +#define CVMX_AGL_GMX_DRV_CTL \ + CVMX_ADD_IO_SEG(0x00011800E00007F0ull) +#define CVMX_AGL_GMX_INF_MODE \ + CVMX_ADD_IO_SEG(0x00011800E00007F8ull) +#define CVMX_AGL_GMX_PRTX_CFG(offset) \ + CVMX_ADD_IO_SEG(0x00011800E0000010ull + (((offset) & 1) * 2048)) +#define CVMX_AGL_GMX_RXX_ADR_CAM0(offset) \ + CVMX_ADD_IO_SEG(0x00011800E0000180ull + (((offset) & 1) * 2048)) +#define CVMX_AGL_GMX_RXX_ADR_CAM1(offset) \ + CVMX_ADD_IO_SEG(0x00011800E0000188ull + (((offset) & 1) * 2048)) +#define CVMX_AGL_GMX_RXX_ADR_CAM2(offset) \ + CVMX_ADD_IO_SEG(0x00011800E0000190ull + (((offset) & 1) * 2048)) +#define CVMX_AGL_GMX_RXX_ADR_CAM3(offset) \ + CVMX_ADD_IO_SEG(0x00011800E0000198ull + (((offset) & 1) * 2048)) +#define CVMX_AGL_GMX_RXX_ADR_CAM4(offset) \ + CVMX_ADD_IO_SEG(0x00011800E00001A0ull + (((offset) & 1) * 2048)) +#define CVMX_AGL_GMX_RXX_ADR_CAM5(offset) \ + CVMX_ADD_IO_SEG(0x00011800E00001A8ull + (((offset) & 1) * 2048)) +#define CVMX_AGL_GMX_RXX_ADR_CAM_EN(offset) \ + CVMX_ADD_IO_SEG(0x00011800E0000108ull + (((offset) & 1) * 2048)) +#define CVMX_AGL_GMX_RXX_ADR_CTL(offset) \ + CVMX_ADD_IO_SEG(0x00011800E0000100ull + (((offset) & 1) * 2048)) +#define CVMX_AGL_GMX_RXX_DECISION(offset) \ + CVMX_ADD_IO_SEG(0x00011800E0000040ull + (((offset) & 1) * 2048)) +#define CVMX_AGL_GMX_RXX_FRM_CHK(offset) \ + CVMX_ADD_IO_SEG(0x00011800E0000020ull + (((offset) & 1) * 2048)) +#define CVMX_AGL_GMX_RXX_FRM_CTL(offset) \ + CVMX_ADD_IO_SEG(0x00011800E0000018ull + (((offset) & 1) * 2048)) +#define CVMX_AGL_GMX_RXX_FRM_MAX(offset) \ + CVMX_ADD_IO_SEG(0x00011800E0000030ull + (((offset) & 1) * 2048)) +#define CVMX_AGL_GMX_RXX_FRM_MIN(offset) \ + CVMX_ADD_IO_SEG(0x00011800E0000028ull + (((offset) & 1) * 2048)) +#define CVMX_AGL_GMX_RXX_IFG(offset) \ + CVMX_ADD_IO_SEG(0x00011800E0000058ull + (((offset) & 1) * 2048)) +#define CVMX_AGL_GMX_RXX_INT_EN(offset) \ + CVMX_ADD_IO_SEG(0x00011800E0000008ull + (((offset) & 1) * 2048)) +#define CVMX_AGL_GMX_RXX_INT_REG(offset) \ + CVMX_ADD_IO_SEG(0x00011800E0000000ull + (((offset) & 1) * 2048)) +#define CVMX_AGL_GMX_RXX_JABBER(offset) \ + CVMX_ADD_IO_SEG(0x00011800E0000038ull + (((offset) & 1) * 2048)) +#define CVMX_AGL_GMX_RXX_PAUSE_DROP_TIME(offset) \ + CVMX_ADD_IO_SEG(0x00011800E0000068ull + (((offset) & 1) * 2048)) +#define CVMX_AGL_GMX_RXX_STATS_CTL(offset) \ + CVMX_ADD_IO_SEG(0x00011800E0000050ull + (((offset) & 1) * 2048)) +#define CVMX_AGL_GMX_RXX_STATS_OCTS(offset) \ + CVMX_ADD_IO_SEG(0x00011800E0000088ull + (((offset) & 1) * 2048)) +#define CVMX_AGL_GMX_RXX_STATS_OCTS_CTL(offset) \ + CVMX_ADD_IO_SEG(0x00011800E0000098ull + (((offset) & 1) * 2048)) +#define CVMX_AGL_GMX_RXX_STATS_OCTS_DMAC(offset) \ + CVMX_ADD_IO_SEG(0x00011800E00000A8ull + (((offset) & 1) * 2048)) +#define CVMX_AGL_GMX_RXX_STATS_OCTS_DRP(offset) \ + CVMX_ADD_IO_SEG(0x00011800E00000B8ull + (((offset) & 1) * 2048)) +#define CVMX_AGL_GMX_RXX_STATS_PKTS(offset) \ + CVMX_ADD_IO_SEG(0x00011800E0000080ull + (((offset) & 1) * 2048)) +#define CVMX_AGL_GMX_RXX_STATS_PKTS_BAD(offset) \ + CVMX_ADD_IO_SEG(0x00011800E00000C0ull + (((offset) & 1) * 2048)) +#define CVMX_AGL_GMX_RXX_STATS_PKTS_CTL(offset) \ + CVMX_ADD_IO_SEG(0x00011800E0000090ull + (((offset) & 1) * 2048)) +#define CVMX_AGL_GMX_RXX_STATS_PKTS_DMAC(offset) \ + CVMX_ADD_IO_SEG(0x00011800E00000A0ull + (((offset) & 1) * 2048)) +#define CVMX_AGL_GMX_RXX_STATS_PKTS_DRP(offset) \ + CVMX_ADD_IO_SEG(0x00011800E00000B0ull + (((offset) & 1) * 2048)) +#define CVMX_AGL_GMX_RXX_UDD_SKP(offset) \ + CVMX_ADD_IO_SEG(0x00011800E0000048ull + (((offset) & 1) * 2048)) +#define CVMX_AGL_GMX_RX_BP_DROPX(offset) \ + CVMX_ADD_IO_SEG(0x00011800E0000420ull + (((offset) & 1) * 8)) +#define CVMX_AGL_GMX_RX_BP_OFFX(offset) \ + CVMX_ADD_IO_SEG(0x00011800E0000460ull + (((offset) & 1) * 8)) +#define CVMX_AGL_GMX_RX_BP_ONX(offset) \ + CVMX_ADD_IO_SEG(0x00011800E0000440ull + (((offset) & 1) * 8)) +#define CVMX_AGL_GMX_RX_PRT_INFO \ + CVMX_ADD_IO_SEG(0x00011800E00004E8ull) +#define CVMX_AGL_GMX_RX_TX_STATUS \ + CVMX_ADD_IO_SEG(0x00011800E00007E8ull) +#define CVMX_AGL_GMX_SMACX(offset) \ + CVMX_ADD_IO_SEG(0x00011800E0000230ull + (((offset) & 1) * 2048)) +#define CVMX_AGL_GMX_STAT_BP \ + CVMX_ADD_IO_SEG(0x00011800E0000520ull) +#define CVMX_AGL_GMX_TXX_APPEND(offset) \ + CVMX_ADD_IO_SEG(0x00011800E0000218ull + (((offset) & 1) * 2048)) +#define CVMX_AGL_GMX_TXX_CTL(offset) \ + CVMX_ADD_IO_SEG(0x00011800E0000270ull + (((offset) & 1) * 2048)) +#define CVMX_AGL_GMX_TXX_MIN_PKT(offset) \ + CVMX_ADD_IO_SEG(0x00011800E0000240ull + (((offset) & 1) * 2048)) +#define CVMX_AGL_GMX_TXX_PAUSE_PKT_INTERVAL(offset) \ + CVMX_ADD_IO_SEG(0x00011800E0000248ull + (((offset) & 1) * 2048)) +#define CVMX_AGL_GMX_TXX_PAUSE_PKT_TIME(offset) \ + CVMX_ADD_IO_SEG(0x00011800E0000238ull + (((offset) & 1) * 2048)) +#define CVMX_AGL_GMX_TXX_PAUSE_TOGO(offset) \ + CVMX_ADD_IO_SEG(0x00011800E0000258ull + (((offset) & 1) * 2048)) +#define CVMX_AGL_GMX_TXX_PAUSE_ZERO(offset) \ + CVMX_ADD_IO_SEG(0x00011800E0000260ull + (((offset) & 1) * 2048)) +#define CVMX_AGL_GMX_TXX_SOFT_PAUSE(offset) \ + CVMX_ADD_IO_SEG(0x00011800E0000250ull + (((offset) & 1) * 2048)) +#define CVMX_AGL_GMX_TXX_STAT0(offset) \ + CVMX_ADD_IO_SEG(0x00011800E0000280ull + (((offset) & 1) * 2048)) +#define CVMX_AGL_GMX_TXX_STAT1(offset) \ + CVMX_ADD_IO_SEG(0x00011800E0000288ull + (((offset) & 1) * 2048)) +#define CVMX_AGL_GMX_TXX_STAT2(offset) \ + CVMX_ADD_IO_SEG(0x00011800E0000290ull + (((offset) & 1) * 2048)) +#define CVMX_AGL_GMX_TXX_STAT3(offset) \ + CVMX_ADD_IO_SEG(0x00011800E0000298ull + (((offset) & 1) * 2048)) +#define CVMX_AGL_GMX_TXX_STAT4(offset) \ + CVMX_ADD_IO_SEG(0x00011800E00002A0ull + (((offset) & 1) * 2048)) +#define CVMX_AGL_GMX_TXX_STAT5(offset) \ + CVMX_ADD_IO_SEG(0x00011800E00002A8ull + (((offset) & 1) * 2048)) +#define CVMX_AGL_GMX_TXX_STAT6(offset) \ + CVMX_ADD_IO_SEG(0x00011800E00002B0ull + (((offset) & 1) * 2048)) +#define CVMX_AGL_GMX_TXX_STAT7(offset) \ + CVMX_ADD_IO_SEG(0x00011800E00002B8ull + (((offset) & 1) * 2048)) +#define CVMX_AGL_GMX_TXX_STAT8(offset) \ + CVMX_ADD_IO_SEG(0x00011800E00002C0ull + (((offset) & 1) * 2048)) +#define CVMX_AGL_GMX_TXX_STAT9(offset) \ + CVMX_ADD_IO_SEG(0x00011800E00002C8ull + (((offset) & 1) * 2048)) +#define CVMX_AGL_GMX_TXX_STATS_CTL(offset) \ + CVMX_ADD_IO_SEG(0x00011800E0000268ull + (((offset) & 1) * 2048)) +#define CVMX_AGL_GMX_TXX_THRESH(offset) \ + CVMX_ADD_IO_SEG(0x00011800E0000210ull + (((offset) & 1) * 2048)) +#define CVMX_AGL_GMX_TX_BP \ + CVMX_ADD_IO_SEG(0x00011800E00004D0ull) +#define CVMX_AGL_GMX_TX_COL_ATTEMPT \ + CVMX_ADD_IO_SEG(0x00011800E0000498ull) +#define CVMX_AGL_GMX_TX_IFG \ + CVMX_ADD_IO_SEG(0x00011800E0000488ull) +#define CVMX_AGL_GMX_TX_INT_EN \ + CVMX_ADD_IO_SEG(0x00011800E0000508ull) +#define CVMX_AGL_GMX_TX_INT_REG \ + CVMX_ADD_IO_SEG(0x00011800E0000500ull) +#define CVMX_AGL_GMX_TX_JAM \ + CVMX_ADD_IO_SEG(0x00011800E0000490ull) +#define CVMX_AGL_GMX_TX_LFSR \ + CVMX_ADD_IO_SEG(0x00011800E00004F8ull) +#define CVMX_AGL_GMX_TX_OVR_BP \ + CVMX_ADD_IO_SEG(0x00011800E00004C8ull) +#define CVMX_AGL_GMX_TX_PAUSE_PKT_DMAC \ + CVMX_ADD_IO_SEG(0x00011800E00004A0ull) +#define CVMX_AGL_GMX_TX_PAUSE_PKT_TYPE \ + CVMX_ADD_IO_SEG(0x00011800E00004A8ull) + +union cvmx_agl_gmx_bad_reg { + uint64_t u64; + struct cvmx_agl_gmx_bad_reg_s { + uint64_t reserved_38_63:26; + uint64_t txpsh1:1; + uint64_t txpop1:1; + uint64_t ovrflw1:1; + uint64_t txpsh:1; + uint64_t txpop:1; + uint64_t ovrflw:1; + uint64_t reserved_27_31:5; + uint64_t statovr:1; + uint64_t reserved_23_25:3; + uint64_t loststat:1; + uint64_t reserved_4_21:18; + uint64_t out_ovr:2; + uint64_t reserved_0_1:2; + } s; + struct cvmx_agl_gmx_bad_reg_s cn52xx; + struct cvmx_agl_gmx_bad_reg_s cn52xxp1; + struct cvmx_agl_gmx_bad_reg_cn56xx { + uint64_t reserved_35_63:29; + uint64_t txpsh:1; + uint64_t txpop:1; + uint64_t ovrflw:1; + uint64_t reserved_27_31:5; + uint64_t statovr:1; + uint64_t reserved_23_25:3; + uint64_t loststat:1; + uint64_t reserved_3_21:19; + uint64_t out_ovr:1; + uint64_t reserved_0_1:2; + } cn56xx; + struct cvmx_agl_gmx_bad_reg_cn56xx cn56xxp1; +}; + +union cvmx_agl_gmx_bist { + uint64_t u64; + struct cvmx_agl_gmx_bist_s { + uint64_t reserved_10_63:54; + uint64_t status:10; + } s; + struct cvmx_agl_gmx_bist_s cn52xx; + struct cvmx_agl_gmx_bist_s cn52xxp1; + struct cvmx_agl_gmx_bist_s cn56xx; + struct cvmx_agl_gmx_bist_s cn56xxp1; +}; + +union cvmx_agl_gmx_drv_ctl { + uint64_t u64; + struct cvmx_agl_gmx_drv_ctl_s { + uint64_t reserved_49_63:15; + uint64_t byp_en1:1; + uint64_t reserved_45_47:3; + uint64_t pctl1:5; + uint64_t reserved_37_39:3; + uint64_t nctl1:5; + uint64_t reserved_17_31:15; + uint64_t byp_en:1; + uint64_t reserved_13_15:3; + uint64_t pctl:5; + uint64_t reserved_5_7:3; + uint64_t nctl:5; + } s; + struct cvmx_agl_gmx_drv_ctl_s cn52xx; + struct cvmx_agl_gmx_drv_ctl_s cn52xxp1; + struct cvmx_agl_gmx_drv_ctl_cn56xx { + uint64_t reserved_17_63:47; + uint64_t byp_en:1; + uint64_t reserved_13_15:3; + uint64_t pctl:5; + uint64_t reserved_5_7:3; + uint64_t nctl:5; + } cn56xx; + struct cvmx_agl_gmx_drv_ctl_cn56xx cn56xxp1; +}; + +union cvmx_agl_gmx_inf_mode { + uint64_t u64; + struct cvmx_agl_gmx_inf_mode_s { + uint64_t reserved_2_63:62; + uint64_t en:1; + uint64_t reserved_0_0:1; + } s; + struct cvmx_agl_gmx_inf_mode_s cn52xx; + struct cvmx_agl_gmx_inf_mode_s cn52xxp1; + struct cvmx_agl_gmx_inf_mode_s cn56xx; + struct cvmx_agl_gmx_inf_mode_s cn56xxp1; +}; + +union cvmx_agl_gmx_prtx_cfg { + uint64_t u64; + struct cvmx_agl_gmx_prtx_cfg_s { + uint64_t reserved_6_63:58; + uint64_t tx_en:1; + uint64_t rx_en:1; + uint64_t slottime:1; + uint64_t duplex:1; + uint64_t speed:1; + uint64_t en:1; + } s; + struct cvmx_agl_gmx_prtx_cfg_s cn52xx; + struct cvmx_agl_gmx_prtx_cfg_s cn52xxp1; + struct cvmx_agl_gmx_prtx_cfg_s cn56xx; + struct cvmx_agl_gmx_prtx_cfg_s cn56xxp1; +}; + +union cvmx_agl_gmx_rxx_adr_cam0 { + uint64_t u64; + struct cvmx_agl_gmx_rxx_adr_cam0_s { + uint64_t adr:64; + } s; + struct cvmx_agl_gmx_rxx_adr_cam0_s cn52xx; + struct cvmx_agl_gmx_rxx_adr_cam0_s cn52xxp1; + struct cvmx_agl_gmx_rxx_adr_cam0_s cn56xx; + struct cvmx_agl_gmx_rxx_adr_cam0_s cn56xxp1; +}; + +union cvmx_agl_gmx_rxx_adr_cam1 { + uint64_t u64; + struct cvmx_agl_gmx_rxx_adr_cam1_s { + uint64_t adr:64; + } s; + struct cvmx_agl_gmx_rxx_adr_cam1_s cn52xx; + struct cvmx_agl_gmx_rxx_adr_cam1_s cn52xxp1; + struct cvmx_agl_gmx_rxx_adr_cam1_s cn56xx; + struct cvmx_agl_gmx_rxx_adr_cam1_s cn56xxp1; +}; + +union cvmx_agl_gmx_rxx_adr_cam2 { + uint64_t u64; + struct cvmx_agl_gmx_rxx_adr_cam2_s { + uint64_t adr:64; + } s; + struct cvmx_agl_gmx_rxx_adr_cam2_s cn52xx; + struct cvmx_agl_gmx_rxx_adr_cam2_s cn52xxp1; + struct cvmx_agl_gmx_rxx_adr_cam2_s cn56xx; + struct cvmx_agl_gmx_rxx_adr_cam2_s cn56xxp1; +}; + +union cvmx_agl_gmx_rxx_adr_cam3 { + uint64_t u64; + struct cvmx_agl_gmx_rxx_adr_cam3_s { + uint64_t adr:64; + } s; + struct cvmx_agl_gmx_rxx_adr_cam3_s cn52xx; + struct cvmx_agl_gmx_rxx_adr_cam3_s cn52xxp1; + struct cvmx_agl_gmx_rxx_adr_cam3_s cn56xx; + struct cvmx_agl_gmx_rxx_adr_cam3_s cn56xxp1; +}; + +union cvmx_agl_gmx_rxx_adr_cam4 { + uint64_t u64; + struct cvmx_agl_gmx_rxx_adr_cam4_s { + uint64_t adr:64; + } s; + struct cvmx_agl_gmx_rxx_adr_cam4_s cn52xx; + struct cvmx_agl_gmx_rxx_adr_cam4_s cn52xxp1; + struct cvmx_agl_gmx_rxx_adr_cam4_s cn56xx; + struct cvmx_agl_gmx_rxx_adr_cam4_s cn56xxp1; +}; + +union cvmx_agl_gmx_rxx_adr_cam5 { + uint64_t u64; + struct cvmx_agl_gmx_rxx_adr_cam5_s { + uint64_t adr:64; + } s; + struct cvmx_agl_gmx_rxx_adr_cam5_s cn52xx; + struct cvmx_agl_gmx_rxx_adr_cam5_s cn52xxp1; + struct cvmx_agl_gmx_rxx_adr_cam5_s cn56xx; + struct cvmx_agl_gmx_rxx_adr_cam5_s cn56xxp1; +}; + +union cvmx_agl_gmx_rxx_adr_cam_en { + uint64_t u64; + struct cvmx_agl_gmx_rxx_adr_cam_en_s { + uint64_t reserved_8_63:56; + uint64_t en:8; + } s; + struct cvmx_agl_gmx_rxx_adr_cam_en_s cn52xx; + struct cvmx_agl_gmx_rxx_adr_cam_en_s cn52xxp1; + struct cvmx_agl_gmx_rxx_adr_cam_en_s cn56xx; + struct cvmx_agl_gmx_rxx_adr_cam_en_s cn56xxp1; +}; + +union cvmx_agl_gmx_rxx_adr_ctl { + uint64_t u64; + struct cvmx_agl_gmx_rxx_adr_ctl_s { + uint64_t reserved_4_63:60; + uint64_t cam_mode:1; + uint64_t mcst:2; + uint64_t bcst:1; + } s; + struct cvmx_agl_gmx_rxx_adr_ctl_s cn52xx; + struct cvmx_agl_gmx_rxx_adr_ctl_s cn52xxp1; + struct cvmx_agl_gmx_rxx_adr_ctl_s cn56xx; + struct cvmx_agl_gmx_rxx_adr_ctl_s cn56xxp1; +}; + +union cvmx_agl_gmx_rxx_decision { + uint64_t u64; + struct cvmx_agl_gmx_rxx_decision_s { + uint64_t reserved_5_63:59; + uint64_t cnt:5; + } s; + struct cvmx_agl_gmx_rxx_decision_s cn52xx; + struct cvmx_agl_gmx_rxx_decision_s cn52xxp1; + struct cvmx_agl_gmx_rxx_decision_s cn56xx; + struct cvmx_agl_gmx_rxx_decision_s cn56xxp1; +}; + +union cvmx_agl_gmx_rxx_frm_chk { + uint64_t u64; + struct cvmx_agl_gmx_rxx_frm_chk_s { + uint64_t reserved_9_63:55; + uint64_t skperr:1; + uint64_t rcverr:1; + uint64_t lenerr:1; + uint64_t alnerr:1; + uint64_t fcserr:1; + uint64_t jabber:1; + uint64_t maxerr:1; + uint64_t reserved_1_1:1; + uint64_t minerr:1; + } s; + struct cvmx_agl_gmx_rxx_frm_chk_s cn52xx; + struct cvmx_agl_gmx_rxx_frm_chk_s cn52xxp1; + struct cvmx_agl_gmx_rxx_frm_chk_s cn56xx; + struct cvmx_agl_gmx_rxx_frm_chk_s cn56xxp1; +}; + +union cvmx_agl_gmx_rxx_frm_ctl { + uint64_t u64; + struct cvmx_agl_gmx_rxx_frm_ctl_s { + uint64_t reserved_10_63:54; + uint64_t pre_align:1; + uint64_t pad_len:1; + uint64_t vlan_len:1; + uint64_t pre_free:1; + uint64_t ctl_smac:1; + uint64_t ctl_mcst:1; + uint64_t ctl_bck:1; + uint64_t ctl_drp:1; + uint64_t pre_strp:1; + uint64_t pre_chk:1; + } s; + struct cvmx_agl_gmx_rxx_frm_ctl_s cn52xx; + struct cvmx_agl_gmx_rxx_frm_ctl_s cn52xxp1; + struct cvmx_agl_gmx_rxx_frm_ctl_s cn56xx; + struct cvmx_agl_gmx_rxx_frm_ctl_s cn56xxp1; +}; + +union cvmx_agl_gmx_rxx_frm_max { + uint64_t u64; + struct cvmx_agl_gmx_rxx_frm_max_s { + uint64_t reserved_16_63:48; + uint64_t len:16; + } s; + struct cvmx_agl_gmx_rxx_frm_max_s cn52xx; + struct cvmx_agl_gmx_rxx_frm_max_s cn52xxp1; + struct cvmx_agl_gmx_rxx_frm_max_s cn56xx; + struct cvmx_agl_gmx_rxx_frm_max_s cn56xxp1; +}; + +union cvmx_agl_gmx_rxx_frm_min { + uint64_t u64; + struct cvmx_agl_gmx_rxx_frm_min_s { + uint64_t reserved_16_63:48; + uint64_t len:16; + } s; + struct cvmx_agl_gmx_rxx_frm_min_s cn52xx; + struct cvmx_agl_gmx_rxx_frm_min_s cn52xxp1; + struct cvmx_agl_gmx_rxx_frm_min_s cn56xx; + struct cvmx_agl_gmx_rxx_frm_min_s cn56xxp1; +}; + +union cvmx_agl_gmx_rxx_ifg { + uint64_t u64; + struct cvmx_agl_gmx_rxx_ifg_s { + uint64_t reserved_4_63:60; + uint64_t ifg:4; + } s; + struct cvmx_agl_gmx_rxx_ifg_s cn52xx; + struct cvmx_agl_gmx_rxx_ifg_s cn52xxp1; + struct cvmx_agl_gmx_rxx_ifg_s cn56xx; + struct cvmx_agl_gmx_rxx_ifg_s cn56xxp1; +}; + +union cvmx_agl_gmx_rxx_int_en { + uint64_t u64; + struct cvmx_agl_gmx_rxx_int_en_s { + uint64_t reserved_20_63:44; + uint64_t pause_drp:1; + uint64_t reserved_16_18:3; + uint64_t ifgerr:1; + uint64_t coldet:1; + uint64_t falerr:1; + uint64_t rsverr:1; + uint64_t pcterr:1; + uint64_t ovrerr:1; + uint64_t reserved_9_9:1; + uint64_t skperr:1; + uint64_t rcverr:1; + uint64_t lenerr:1; + uint64_t alnerr:1; + uint64_t fcserr:1; + uint64_t jabber:1; + uint64_t maxerr:1; + uint64_t reserved_1_1:1; + uint64_t minerr:1; + } s; + struct cvmx_agl_gmx_rxx_int_en_s cn52xx; + struct cvmx_agl_gmx_rxx_int_en_s cn52xxp1; + struct cvmx_agl_gmx_rxx_int_en_s cn56xx; + struct cvmx_agl_gmx_rxx_int_en_s cn56xxp1; +}; + +union cvmx_agl_gmx_rxx_int_reg { + uint64_t u64; + struct cvmx_agl_gmx_rxx_int_reg_s { + uint64_t reserved_20_63:44; + uint64_t pause_drp:1; + uint64_t reserved_16_18:3; + uint64_t ifgerr:1; + uint64_t coldet:1; + uint64_t falerr:1; + uint64_t rsverr:1; + uint64_t pcterr:1; + uint64_t ovrerr:1; + uint64_t reserved_9_9:1; + uint64_t skperr:1; + uint64_t rcverr:1; + uint64_t lenerr:1; + uint64_t alnerr:1; + uint64_t fcserr:1; + uint64_t jabber:1; + uint64_t maxerr:1; + uint64_t reserved_1_1:1; + uint64_t minerr:1; + } s; + struct cvmx_agl_gmx_rxx_int_reg_s cn52xx; + struct cvmx_agl_gmx_rxx_int_reg_s cn52xxp1; + struct cvmx_agl_gmx_rxx_int_reg_s cn56xx; + struct cvmx_agl_gmx_rxx_int_reg_s cn56xxp1; +}; + +union cvmx_agl_gmx_rxx_jabber { + uint64_t u64; + struct cvmx_agl_gmx_rxx_jabber_s { + uint64_t reserved_16_63:48; + uint64_t cnt:16; + } s; + struct cvmx_agl_gmx_rxx_jabber_s cn52xx; + struct cvmx_agl_gmx_rxx_jabber_s cn52xxp1; + struct cvmx_agl_gmx_rxx_jabber_s cn56xx; + struct cvmx_agl_gmx_rxx_jabber_s cn56xxp1; +}; + +union cvmx_agl_gmx_rxx_pause_drop_time { + uint64_t u64; + struct cvmx_agl_gmx_rxx_pause_drop_time_s { + uint64_t reserved_16_63:48; + uint64_t status:16; + } s; + struct cvmx_agl_gmx_rxx_pause_drop_time_s cn52xx; + struct cvmx_agl_gmx_rxx_pause_drop_time_s cn52xxp1; + struct cvmx_agl_gmx_rxx_pause_drop_time_s cn56xx; + struct cvmx_agl_gmx_rxx_pause_drop_time_s cn56xxp1; +}; + +union cvmx_agl_gmx_rxx_stats_ctl { + uint64_t u64; + struct cvmx_agl_gmx_rxx_stats_ctl_s { + uint64_t reserved_1_63:63; + uint64_t rd_clr:1; + } s; + struct cvmx_agl_gmx_rxx_stats_ctl_s cn52xx; + struct cvmx_agl_gmx_rxx_stats_ctl_s cn52xxp1; + struct cvmx_agl_gmx_rxx_stats_ctl_s cn56xx; + struct cvmx_agl_gmx_rxx_stats_ctl_s cn56xxp1; +}; + +union cvmx_agl_gmx_rxx_stats_octs { + uint64_t u64; + struct cvmx_agl_gmx_rxx_stats_octs_s { + uint64_t reserved_48_63:16; + uint64_t cnt:48; + } s; + struct cvmx_agl_gmx_rxx_stats_octs_s cn52xx; + struct cvmx_agl_gmx_rxx_stats_octs_s cn52xxp1; + struct cvmx_agl_gmx_rxx_stats_octs_s cn56xx; + struct cvmx_agl_gmx_rxx_stats_octs_s cn56xxp1; +}; + +union cvmx_agl_gmx_rxx_stats_octs_ctl { + uint64_t u64; + struct cvmx_agl_gmx_rxx_stats_octs_ctl_s { + uint64_t reserved_48_63:16; + uint64_t cnt:48; + } s; + struct cvmx_agl_gmx_rxx_stats_octs_ctl_s cn52xx; + struct cvmx_agl_gmx_rxx_stats_octs_ctl_s cn52xxp1; + struct cvmx_agl_gmx_rxx_stats_octs_ctl_s cn56xx; + struct cvmx_agl_gmx_rxx_stats_octs_ctl_s cn56xxp1; +}; + +union cvmx_agl_gmx_rxx_stats_octs_dmac { + uint64_t u64; + struct cvmx_agl_gmx_rxx_stats_octs_dmac_s { + uint64_t reserved_48_63:16; + uint64_t cnt:48; + } s; + struct cvmx_agl_gmx_rxx_stats_octs_dmac_s cn52xx; + struct cvmx_agl_gmx_rxx_stats_octs_dmac_s cn52xxp1; + struct cvmx_agl_gmx_rxx_stats_octs_dmac_s cn56xx; + struct cvmx_agl_gmx_rxx_stats_octs_dmac_s cn56xxp1; +}; + +union cvmx_agl_gmx_rxx_stats_octs_drp { + uint64_t u64; + struct cvmx_agl_gmx_rxx_stats_octs_drp_s { + uint64_t reserved_48_63:16; + uint64_t cnt:48; + } s; + struct cvmx_agl_gmx_rxx_stats_octs_drp_s cn52xx; + struct cvmx_agl_gmx_rxx_stats_octs_drp_s cn52xxp1; + struct cvmx_agl_gmx_rxx_stats_octs_drp_s cn56xx; + struct cvmx_agl_gmx_rxx_stats_octs_drp_s cn56xxp1; +}; + +union cvmx_agl_gmx_rxx_stats_pkts { + uint64_t u64; + struct cvmx_agl_gmx_rxx_stats_pkts_s { + uint64_t reserved_32_63:32; + uint64_t cnt:32; + } s; + struct cvmx_agl_gmx_rxx_stats_pkts_s cn52xx; + struct cvmx_agl_gmx_rxx_stats_pkts_s cn52xxp1; + struct cvmx_agl_gmx_rxx_stats_pkts_s cn56xx; + struct cvmx_agl_gmx_rxx_stats_pkts_s cn56xxp1; +}; + +union cvmx_agl_gmx_rxx_stats_pkts_bad { + uint64_t u64; + struct cvmx_agl_gmx_rxx_stats_pkts_bad_s { + uint64_t reserved_32_63:32; + uint64_t cnt:32; + } s; + struct cvmx_agl_gmx_rxx_stats_pkts_bad_s cn52xx; + struct cvmx_agl_gmx_rxx_stats_pkts_bad_s cn52xxp1; + struct cvmx_agl_gmx_rxx_stats_pkts_bad_s cn56xx; + struct cvmx_agl_gmx_rxx_stats_pkts_bad_s cn56xxp1; +}; + +union cvmx_agl_gmx_rxx_stats_pkts_ctl { + uint64_t u64; + struct cvmx_agl_gmx_rxx_stats_pkts_ctl_s { + uint64_t reserved_32_63:32; + uint64_t cnt:32; + } s; + struct cvmx_agl_gmx_rxx_stats_pkts_ctl_s cn52xx; + struct cvmx_agl_gmx_rxx_stats_pkts_ctl_s cn52xxp1; + struct cvmx_agl_gmx_rxx_stats_pkts_ctl_s cn56xx; + struct cvmx_agl_gmx_rxx_stats_pkts_ctl_s cn56xxp1; +}; + +union cvmx_agl_gmx_rxx_stats_pkts_dmac { + uint64_t u64; + struct cvmx_agl_gmx_rxx_stats_pkts_dmac_s { + uint64_t reserved_32_63:32; + uint64_t cnt:32; + } s; + struct cvmx_agl_gmx_rxx_stats_pkts_dmac_s cn52xx; + struct cvmx_agl_gmx_rxx_stats_pkts_dmac_s cn52xxp1; + struct cvmx_agl_gmx_rxx_stats_pkts_dmac_s cn56xx; + struct cvmx_agl_gmx_rxx_stats_pkts_dmac_s cn56xxp1; +}; + +union cvmx_agl_gmx_rxx_stats_pkts_drp { + uint64_t u64; + struct cvmx_agl_gmx_rxx_stats_pkts_drp_s { + uint64_t reserved_32_63:32; + uint64_t cnt:32; + } s; + struct cvmx_agl_gmx_rxx_stats_pkts_drp_s cn52xx; + struct cvmx_agl_gmx_rxx_stats_pkts_drp_s cn52xxp1; + struct cvmx_agl_gmx_rxx_stats_pkts_drp_s cn56xx; + struct cvmx_agl_gmx_rxx_stats_pkts_drp_s cn56xxp1; +}; + +union cvmx_agl_gmx_rxx_udd_skp { + uint64_t u64; + struct cvmx_agl_gmx_rxx_udd_skp_s { + uint64_t reserved_9_63:55; + uint64_t fcssel:1; + uint64_t reserved_7_7:1; + uint64_t len:7; + } s; + struct cvmx_agl_gmx_rxx_udd_skp_s cn52xx; + struct cvmx_agl_gmx_rxx_udd_skp_s cn52xxp1; + struct cvmx_agl_gmx_rxx_udd_skp_s cn56xx; + struct cvmx_agl_gmx_rxx_udd_skp_s cn56xxp1; +}; + +union cvmx_agl_gmx_rx_bp_dropx { + uint64_t u64; + struct cvmx_agl_gmx_rx_bp_dropx_s { + uint64_t reserved_6_63:58; + uint64_t mark:6; + } s; + struct cvmx_agl_gmx_rx_bp_dropx_s cn52xx; + struct cvmx_agl_gmx_rx_bp_dropx_s cn52xxp1; + struct cvmx_agl_gmx_rx_bp_dropx_s cn56xx; + struct cvmx_agl_gmx_rx_bp_dropx_s cn56xxp1; +}; + +union cvmx_agl_gmx_rx_bp_offx { + uint64_t u64; + struct cvmx_agl_gmx_rx_bp_offx_s { + uint64_t reserved_6_63:58; + uint64_t mark:6; + } s; + struct cvmx_agl_gmx_rx_bp_offx_s cn52xx; + struct cvmx_agl_gmx_rx_bp_offx_s cn52xxp1; + struct cvmx_agl_gmx_rx_bp_offx_s cn56xx; + struct cvmx_agl_gmx_rx_bp_offx_s cn56xxp1; +}; + +union cvmx_agl_gmx_rx_bp_onx { + uint64_t u64; + struct cvmx_agl_gmx_rx_bp_onx_s { + uint64_t reserved_9_63:55; + uint64_t mark:9; + } s; + struct cvmx_agl_gmx_rx_bp_onx_s cn52xx; + struct cvmx_agl_gmx_rx_bp_onx_s cn52xxp1; + struct cvmx_agl_gmx_rx_bp_onx_s cn56xx; + struct cvmx_agl_gmx_rx_bp_onx_s cn56xxp1; +}; + +union cvmx_agl_gmx_rx_prt_info { + uint64_t u64; + struct cvmx_agl_gmx_rx_prt_info_s { + uint64_t reserved_18_63:46; + uint64_t drop:2; + uint64_t reserved_2_15:14; + uint64_t commit:2; + } s; + struct cvmx_agl_gmx_rx_prt_info_s cn52xx; + struct cvmx_agl_gmx_rx_prt_info_s cn52xxp1; + struct cvmx_agl_gmx_rx_prt_info_cn56xx { + uint64_t reserved_17_63:47; + uint64_t drop:1; + uint64_t reserved_1_15:15; + uint64_t commit:1; + } cn56xx; + struct cvmx_agl_gmx_rx_prt_info_cn56xx cn56xxp1; +}; + +union cvmx_agl_gmx_rx_tx_status { + uint64_t u64; + struct cvmx_agl_gmx_rx_tx_status_s { + uint64_t reserved_6_63:58; + uint64_t tx:2; + uint64_t reserved_2_3:2; + uint64_t rx:2; + } s; + struct cvmx_agl_gmx_rx_tx_status_s cn52xx; + struct cvmx_agl_gmx_rx_tx_status_s cn52xxp1; + struct cvmx_agl_gmx_rx_tx_status_cn56xx { + uint64_t reserved_5_63:59; + uint64_t tx:1; + uint64_t reserved_1_3:3; + uint64_t rx:1; + } cn56xx; + struct cvmx_agl_gmx_rx_tx_status_cn56xx cn56xxp1; +}; + +union cvmx_agl_gmx_smacx { + uint64_t u64; + struct cvmx_agl_gmx_smacx_s { + uint64_t reserved_48_63:16; + uint64_t smac:48; + } s; + struct cvmx_agl_gmx_smacx_s cn52xx; + struct cvmx_agl_gmx_smacx_s cn52xxp1; + struct cvmx_agl_gmx_smacx_s cn56xx; + struct cvmx_agl_gmx_smacx_s cn56xxp1; +}; + +union cvmx_agl_gmx_stat_bp { + uint64_t u64; + struct cvmx_agl_gmx_stat_bp_s { + uint64_t reserved_17_63:47; + uint64_t bp:1; + uint64_t cnt:16; + } s; + struct cvmx_agl_gmx_stat_bp_s cn52xx; + struct cvmx_agl_gmx_stat_bp_s cn52xxp1; + struct cvmx_agl_gmx_stat_bp_s cn56xx; + struct cvmx_agl_gmx_stat_bp_s cn56xxp1; +}; + +union cvmx_agl_gmx_txx_append { + uint64_t u64; + struct cvmx_agl_gmx_txx_append_s { + uint64_t reserved_4_63:60; + uint64_t force_fcs:1; + uint64_t fcs:1; + uint64_t pad:1; + uint64_t preamble:1; + } s; + struct cvmx_agl_gmx_txx_append_s cn52xx; + struct cvmx_agl_gmx_txx_append_s cn52xxp1; + struct cvmx_agl_gmx_txx_append_s cn56xx; + struct cvmx_agl_gmx_txx_append_s cn56xxp1; +}; + +union cvmx_agl_gmx_txx_ctl { + uint64_t u64; + struct cvmx_agl_gmx_txx_ctl_s { + uint64_t reserved_2_63:62; + uint64_t xsdef_en:1; + uint64_t xscol_en:1; + } s; + struct cvmx_agl_gmx_txx_ctl_s cn52xx; + struct cvmx_agl_gmx_txx_ctl_s cn52xxp1; + struct cvmx_agl_gmx_txx_ctl_s cn56xx; + struct cvmx_agl_gmx_txx_ctl_s cn56xxp1; +}; + +union cvmx_agl_gmx_txx_min_pkt { + uint64_t u64; + struct cvmx_agl_gmx_txx_min_pkt_s { + uint64_t reserved_8_63:56; + uint64_t min_size:8; + } s; + struct cvmx_agl_gmx_txx_min_pkt_s cn52xx; + struct cvmx_agl_gmx_txx_min_pkt_s cn52xxp1; + struct cvmx_agl_gmx_txx_min_pkt_s cn56xx; + struct cvmx_agl_gmx_txx_min_pkt_s cn56xxp1; +}; + +union cvmx_agl_gmx_txx_pause_pkt_interval { + uint64_t u64; + struct cvmx_agl_gmx_txx_pause_pkt_interval_s { + uint64_t reserved_16_63:48; + uint64_t interval:16; + } s; + struct cvmx_agl_gmx_txx_pause_pkt_interval_s cn52xx; + struct cvmx_agl_gmx_txx_pause_pkt_interval_s cn52xxp1; + struct cvmx_agl_gmx_txx_pause_pkt_interval_s cn56xx; + struct cvmx_agl_gmx_txx_pause_pkt_interval_s cn56xxp1; +}; + +union cvmx_agl_gmx_txx_pause_pkt_time { + uint64_t u64; + struct cvmx_agl_gmx_txx_pause_pkt_time_s { + uint64_t reserved_16_63:48; + uint64_t time:16; + } s; + struct cvmx_agl_gmx_txx_pause_pkt_time_s cn52xx; + struct cvmx_agl_gmx_txx_pause_pkt_time_s cn52xxp1; + struct cvmx_agl_gmx_txx_pause_pkt_time_s cn56xx; + struct cvmx_agl_gmx_txx_pause_pkt_time_s cn56xxp1; +}; + +union cvmx_agl_gmx_txx_pause_togo { + uint64_t u64; + struct cvmx_agl_gmx_txx_pause_togo_s { + uint64_t reserved_16_63:48; + uint64_t time:16; + } s; + struct cvmx_agl_gmx_txx_pause_togo_s cn52xx; + struct cvmx_agl_gmx_txx_pause_togo_s cn52xxp1; + struct cvmx_agl_gmx_txx_pause_togo_s cn56xx; + struct cvmx_agl_gmx_txx_pause_togo_s cn56xxp1; +}; + +union cvmx_agl_gmx_txx_pause_zero { + uint64_t u64; + struct cvmx_agl_gmx_txx_pause_zero_s { + uint64_t reserved_1_63:63; + uint64_t send:1; + } s; + struct cvmx_agl_gmx_txx_pause_zero_s cn52xx; + struct cvmx_agl_gmx_txx_pause_zero_s cn52xxp1; + struct cvmx_agl_gmx_txx_pause_zero_s cn56xx; + struct cvmx_agl_gmx_txx_pause_zero_s cn56xxp1; +}; + +union cvmx_agl_gmx_txx_soft_pause { + uint64_t u64; + struct cvmx_agl_gmx_txx_soft_pause_s { + uint64_t reserved_16_63:48; + uint64_t time:16; + } s; + struct cvmx_agl_gmx_txx_soft_pause_s cn52xx; + struct cvmx_agl_gmx_txx_soft_pause_s cn52xxp1; + struct cvmx_agl_gmx_txx_soft_pause_s cn56xx; + struct cvmx_agl_gmx_txx_soft_pause_s cn56xxp1; +}; + +union cvmx_agl_gmx_txx_stat0 { + uint64_t u64; + struct cvmx_agl_gmx_txx_stat0_s { + uint64_t xsdef:32; + uint64_t xscol:32; + } s; + struct cvmx_agl_gmx_txx_stat0_s cn52xx; + struct cvmx_agl_gmx_txx_stat0_s cn52xxp1; + struct cvmx_agl_gmx_txx_stat0_s cn56xx; + struct cvmx_agl_gmx_txx_stat0_s cn56xxp1; +}; + +union cvmx_agl_gmx_txx_stat1 { + uint64_t u64; + struct cvmx_agl_gmx_txx_stat1_s { + uint64_t scol:32; + uint64_t mcol:32; + } s; + struct cvmx_agl_gmx_txx_stat1_s cn52xx; + struct cvmx_agl_gmx_txx_stat1_s cn52xxp1; + struct cvmx_agl_gmx_txx_stat1_s cn56xx; + struct cvmx_agl_gmx_txx_stat1_s cn56xxp1; +}; + +union cvmx_agl_gmx_txx_stat2 { + uint64_t u64; + struct cvmx_agl_gmx_txx_stat2_s { + uint64_t reserved_48_63:16; + uint64_t octs:48; + } s; + struct cvmx_agl_gmx_txx_stat2_s cn52xx; + struct cvmx_agl_gmx_txx_stat2_s cn52xxp1; + struct cvmx_agl_gmx_txx_stat2_s cn56xx; + struct cvmx_agl_gmx_txx_stat2_s cn56xxp1; +}; + +union cvmx_agl_gmx_txx_stat3 { + uint64_t u64; + struct cvmx_agl_gmx_txx_stat3_s { + uint64_t reserved_32_63:32; + uint64_t pkts:32; + } s; + struct cvmx_agl_gmx_txx_stat3_s cn52xx; + struct cvmx_agl_gmx_txx_stat3_s cn52xxp1; + struct cvmx_agl_gmx_txx_stat3_s cn56xx; + struct cvmx_agl_gmx_txx_stat3_s cn56xxp1; +}; + +union cvmx_agl_gmx_txx_stat4 { + uint64_t u64; + struct cvmx_agl_gmx_txx_stat4_s { + uint64_t hist1:32; + uint64_t hist0:32; + } s; + struct cvmx_agl_gmx_txx_stat4_s cn52xx; + struct cvmx_agl_gmx_txx_stat4_s cn52xxp1; + struct cvmx_agl_gmx_txx_stat4_s cn56xx; + struct cvmx_agl_gmx_txx_stat4_s cn56xxp1; +}; + +union cvmx_agl_gmx_txx_stat5 { + uint64_t u64; + struct cvmx_agl_gmx_txx_stat5_s { + uint64_t hist3:32; + uint64_t hist2:32; + } s; + struct cvmx_agl_gmx_txx_stat5_s cn52xx; + struct cvmx_agl_gmx_txx_stat5_s cn52xxp1; + struct cvmx_agl_gmx_txx_stat5_s cn56xx; + struct cvmx_agl_gmx_txx_stat5_s cn56xxp1; +}; + +union cvmx_agl_gmx_txx_stat6 { + uint64_t u64; + struct cvmx_agl_gmx_txx_stat6_s { + uint64_t hist5:32; + uint64_t hist4:32; + } s; + struct cvmx_agl_gmx_txx_stat6_s cn52xx; + struct cvmx_agl_gmx_txx_stat6_s cn52xxp1; + struct cvmx_agl_gmx_txx_stat6_s cn56xx; + struct cvmx_agl_gmx_txx_stat6_s cn56xxp1; +}; + +union cvmx_agl_gmx_txx_stat7 { + uint64_t u64; + struct cvmx_agl_gmx_txx_stat7_s { + uint64_t hist7:32; + uint64_t hist6:32; + } s; + struct cvmx_agl_gmx_txx_stat7_s cn52xx; + struct cvmx_agl_gmx_txx_stat7_s cn52xxp1; + struct cvmx_agl_gmx_txx_stat7_s cn56xx; + struct cvmx_agl_gmx_txx_stat7_s cn56xxp1; +}; + +union cvmx_agl_gmx_txx_stat8 { + uint64_t u64; + struct cvmx_agl_gmx_txx_stat8_s { + uint64_t mcst:32; + uint64_t bcst:32; + } s; + struct cvmx_agl_gmx_txx_stat8_s cn52xx; + struct cvmx_agl_gmx_txx_stat8_s cn52xxp1; + struct cvmx_agl_gmx_txx_stat8_s cn56xx; + struct cvmx_agl_gmx_txx_stat8_s cn56xxp1; +}; + +union cvmx_agl_gmx_txx_stat9 { + uint64_t u64; + struct cvmx_agl_gmx_txx_stat9_s { + uint64_t undflw:32; + uint64_t ctl:32; + } s; + struct cvmx_agl_gmx_txx_stat9_s cn52xx; + struct cvmx_agl_gmx_txx_stat9_s cn52xxp1; + struct cvmx_agl_gmx_txx_stat9_s cn56xx; + struct cvmx_agl_gmx_txx_stat9_s cn56xxp1; +}; + +union cvmx_agl_gmx_txx_stats_ctl { + uint64_t u64; + struct cvmx_agl_gmx_txx_stats_ctl_s { + uint64_t reserved_1_63:63; + uint64_t rd_clr:1; + } s; + struct cvmx_agl_gmx_txx_stats_ctl_s cn52xx; + struct cvmx_agl_gmx_txx_stats_ctl_s cn52xxp1; + struct cvmx_agl_gmx_txx_stats_ctl_s cn56xx; + struct cvmx_agl_gmx_txx_stats_ctl_s cn56xxp1; +}; + +union cvmx_agl_gmx_txx_thresh { + uint64_t u64; + struct cvmx_agl_gmx_txx_thresh_s { + uint64_t reserved_6_63:58; + uint64_t cnt:6; + } s; + struct cvmx_agl_gmx_txx_thresh_s cn52xx; + struct cvmx_agl_gmx_txx_thresh_s cn52xxp1; + struct cvmx_agl_gmx_txx_thresh_s cn56xx; + struct cvmx_agl_gmx_txx_thresh_s cn56xxp1; +}; + +union cvmx_agl_gmx_tx_bp { + uint64_t u64; + struct cvmx_agl_gmx_tx_bp_s { + uint64_t reserved_2_63:62; + uint64_t bp:2; + } s; + struct cvmx_agl_gmx_tx_bp_s cn52xx; + struct cvmx_agl_gmx_tx_bp_s cn52xxp1; + struct cvmx_agl_gmx_tx_bp_cn56xx { + uint64_t reserved_1_63:63; + uint64_t bp:1; + } cn56xx; + struct cvmx_agl_gmx_tx_bp_cn56xx cn56xxp1; +}; + +union cvmx_agl_gmx_tx_col_attempt { + uint64_t u64; + struct cvmx_agl_gmx_tx_col_attempt_s { + uint64_t reserved_5_63:59; + uint64_t limit:5; + } s; + struct cvmx_agl_gmx_tx_col_attempt_s cn52xx; + struct cvmx_agl_gmx_tx_col_attempt_s cn52xxp1; + struct cvmx_agl_gmx_tx_col_attempt_s cn56xx; + struct cvmx_agl_gmx_tx_col_attempt_s cn56xxp1; +}; + +union cvmx_agl_gmx_tx_ifg { + uint64_t u64; + struct cvmx_agl_gmx_tx_ifg_s { + uint64_t reserved_8_63:56; + uint64_t ifg2:4; + uint64_t ifg1:4; + } s; + struct cvmx_agl_gmx_tx_ifg_s cn52xx; + struct cvmx_agl_gmx_tx_ifg_s cn52xxp1; + struct cvmx_agl_gmx_tx_ifg_s cn56xx; + struct cvmx_agl_gmx_tx_ifg_s cn56xxp1; +}; + +union cvmx_agl_gmx_tx_int_en { + uint64_t u64; + struct cvmx_agl_gmx_tx_int_en_s { + uint64_t reserved_18_63:46; + uint64_t late_col:2; + uint64_t reserved_14_15:2; + uint64_t xsdef:2; + uint64_t reserved_10_11:2; + uint64_t xscol:2; + uint64_t reserved_4_7:4; + uint64_t undflw:2; + uint64_t reserved_1_1:1; + uint64_t pko_nxa:1; + } s; + struct cvmx_agl_gmx_tx_int_en_s cn52xx; + struct cvmx_agl_gmx_tx_int_en_s cn52xxp1; + struct cvmx_agl_gmx_tx_int_en_cn56xx { + uint64_t reserved_17_63:47; + uint64_t late_col:1; + uint64_t reserved_13_15:3; + uint64_t xsdef:1; + uint64_t reserved_9_11:3; + uint64_t xscol:1; + uint64_t reserved_3_7:5; + uint64_t undflw:1; + uint64_t reserved_1_1:1; + uint64_t pko_nxa:1; + } cn56xx; + struct cvmx_agl_gmx_tx_int_en_cn56xx cn56xxp1; +}; + +union cvmx_agl_gmx_tx_int_reg { + uint64_t u64; + struct cvmx_agl_gmx_tx_int_reg_s { + uint64_t reserved_18_63:46; + uint64_t late_col:2; + uint64_t reserved_14_15:2; + uint64_t xsdef:2; + uint64_t reserved_10_11:2; + uint64_t xscol:2; + uint64_t reserved_4_7:4; + uint64_t undflw:2; + uint64_t reserved_1_1:1; + uint64_t pko_nxa:1; + } s; + struct cvmx_agl_gmx_tx_int_reg_s cn52xx; + struct cvmx_agl_gmx_tx_int_reg_s cn52xxp1; + struct cvmx_agl_gmx_tx_int_reg_cn56xx { + uint64_t reserved_17_63:47; + uint64_t late_col:1; + uint64_t reserved_13_15:3; + uint64_t xsdef:1; + uint64_t reserved_9_11:3; + uint64_t xscol:1; + uint64_t reserved_3_7:5; + uint64_t undflw:1; + uint64_t reserved_1_1:1; + uint64_t pko_nxa:1; + } cn56xx; + struct cvmx_agl_gmx_tx_int_reg_cn56xx cn56xxp1; +}; + +union cvmx_agl_gmx_tx_jam { + uint64_t u64; + struct cvmx_agl_gmx_tx_jam_s { + uint64_t reserved_8_63:56; + uint64_t jam:8; + } s; + struct cvmx_agl_gmx_tx_jam_s cn52xx; + struct cvmx_agl_gmx_tx_jam_s cn52xxp1; + struct cvmx_agl_gmx_tx_jam_s cn56xx; + struct cvmx_agl_gmx_tx_jam_s cn56xxp1; +}; + +union cvmx_agl_gmx_tx_lfsr { + uint64_t u64; + struct cvmx_agl_gmx_tx_lfsr_s { + uint64_t reserved_16_63:48; + uint64_t lfsr:16; + } s; + struct cvmx_agl_gmx_tx_lfsr_s cn52xx; + struct cvmx_agl_gmx_tx_lfsr_s cn52xxp1; + struct cvmx_agl_gmx_tx_lfsr_s cn56xx; + struct cvmx_agl_gmx_tx_lfsr_s cn56xxp1; +}; + +union cvmx_agl_gmx_tx_ovr_bp { + uint64_t u64; + struct cvmx_agl_gmx_tx_ovr_bp_s { + uint64_t reserved_10_63:54; + uint64_t en:2; + uint64_t reserved_6_7:2; + uint64_t bp:2; + uint64_t reserved_2_3:2; + uint64_t ign_full:2; + } s; + struct cvmx_agl_gmx_tx_ovr_bp_s cn52xx; + struct cvmx_agl_gmx_tx_ovr_bp_s cn52xxp1; + struct cvmx_agl_gmx_tx_ovr_bp_cn56xx { + uint64_t reserved_9_63:55; + uint64_t en:1; + uint64_t reserved_5_7:3; + uint64_t bp:1; + uint64_t reserved_1_3:3; + uint64_t ign_full:1; + } cn56xx; + struct cvmx_agl_gmx_tx_ovr_bp_cn56xx cn56xxp1; +}; + +union cvmx_agl_gmx_tx_pause_pkt_dmac { + uint64_t u64; + struct cvmx_agl_gmx_tx_pause_pkt_dmac_s { + uint64_t reserved_48_63:16; + uint64_t dmac:48; + } s; + struct cvmx_agl_gmx_tx_pause_pkt_dmac_s cn52xx; + struct cvmx_agl_gmx_tx_pause_pkt_dmac_s cn52xxp1; + struct cvmx_agl_gmx_tx_pause_pkt_dmac_s cn56xx; + struct cvmx_agl_gmx_tx_pause_pkt_dmac_s cn56xxp1; +}; + +union cvmx_agl_gmx_tx_pause_pkt_type { + uint64_t u64; + struct cvmx_agl_gmx_tx_pause_pkt_type_s { + uint64_t reserved_16_63:48; + uint64_t type:16; + } s; + struct cvmx_agl_gmx_tx_pause_pkt_type_s cn52xx; + struct cvmx_agl_gmx_tx_pause_pkt_type_s cn52xxp1; + struct cvmx_agl_gmx_tx_pause_pkt_type_s cn56xx; + struct cvmx_agl_gmx_tx_pause_pkt_type_s cn56xxp1; +}; + +#endif diff --git a/arch/mips/include/asm/octeon/cvmx-mixx-defs.h b/arch/mips/include/asm/octeon/cvmx-mixx-defs.h new file mode 100644 index 00000000000..dab6dca492f --- /dev/null +++ b/arch/mips/include/asm/octeon/cvmx-mixx-defs.h @@ -0,0 +1,248 @@ +/***********************license start*************** + * Author: Cavium Networks + * + * Contact: support@caviumnetworks.com + * This file is part of the OCTEON SDK + * + * Copyright (c) 2003-2008 Cavium Networks + * + * This file is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License, Version 2, as + * published by the Free Software Foundation. + * + * This file is distributed in the hope that it will be useful, but + * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty + * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or + * NONINFRINGEMENT. See the GNU General Public License for more + * details. + * + * You should have received a copy of the GNU General Public License + * along with this file; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * or visit http://www.gnu.org/licenses/. + * + * This file may also be available under a different license from Cavium. + * Contact Cavium Networks for more information + ***********************license end**************************************/ + +#ifndef __CVMX_MIXX_DEFS_H__ +#define __CVMX_MIXX_DEFS_H__ + +#define CVMX_MIXX_BIST(offset) \ + CVMX_ADD_IO_SEG(0x0001070000100078ull + (((offset) & 1) * 2048)) +#define CVMX_MIXX_CTL(offset) \ + CVMX_ADD_IO_SEG(0x0001070000100020ull + (((offset) & 1) * 2048)) +#define CVMX_MIXX_INTENA(offset) \ + CVMX_ADD_IO_SEG(0x0001070000100050ull + (((offset) & 1) * 2048)) +#define CVMX_MIXX_IRCNT(offset) \ + CVMX_ADD_IO_SEG(0x0001070000100030ull + (((offset) & 1) * 2048)) +#define CVMX_MIXX_IRHWM(offset) \ + CVMX_ADD_IO_SEG(0x0001070000100028ull + (((offset) & 1) * 2048)) +#define CVMX_MIXX_IRING1(offset) \ + CVMX_ADD_IO_SEG(0x0001070000100010ull + (((offset) & 1) * 2048)) +#define CVMX_MIXX_IRING2(offset) \ + CVMX_ADD_IO_SEG(0x0001070000100018ull + (((offset) & 1) * 2048)) +#define CVMX_MIXX_ISR(offset) \ + CVMX_ADD_IO_SEG(0x0001070000100048ull + (((offset) & 1) * 2048)) +#define CVMX_MIXX_ORCNT(offset) \ + CVMX_ADD_IO_SEG(0x0001070000100040ull + (((offset) & 1) * 2048)) +#define CVMX_MIXX_ORHWM(offset) \ + CVMX_ADD_IO_SEG(0x0001070000100038ull + (((offset) & 1) * 2048)) +#define CVMX_MIXX_ORING1(offset) \ + CVMX_ADD_IO_SEG(0x0001070000100000ull + (((offset) & 1) * 2048)) +#define CVMX_MIXX_ORING2(offset) \ + CVMX_ADD_IO_SEG(0x0001070000100008ull + (((offset) & 1) * 2048)) +#define CVMX_MIXX_REMCNT(offset) \ + CVMX_ADD_IO_SEG(0x0001070000100058ull + (((offset) & 1) * 2048)) + +union cvmx_mixx_bist { + uint64_t u64; + struct cvmx_mixx_bist_s { + uint64_t reserved_4_63:60; + uint64_t mrqdat:1; + uint64_t ipfdat:1; + uint64_t irfdat:1; + uint64_t orfdat:1; + } s; + struct cvmx_mixx_bist_s cn52xx; + struct cvmx_mixx_bist_s cn52xxp1; + struct cvmx_mixx_bist_s cn56xx; + struct cvmx_mixx_bist_s cn56xxp1; +}; + +union cvmx_mixx_ctl { + uint64_t u64; + struct cvmx_mixx_ctl_s { + uint64_t reserved_8_63:56; + uint64_t crc_strip:1; + uint64_t busy:1; + uint64_t en:1; + uint64_t reset:1; + uint64_t lendian:1; + uint64_t nbtarb:1; + uint64_t mrq_hwm:2; + } s; + struct cvmx_mixx_ctl_s cn52xx; + struct cvmx_mixx_ctl_s cn52xxp1; + struct cvmx_mixx_ctl_s cn56xx; + struct cvmx_mixx_ctl_s cn56xxp1; +}; + +union cvmx_mixx_intena { + uint64_t u64; + struct cvmx_mixx_intena_s { + uint64_t reserved_7_63:57; + uint64_t orunena:1; + uint64_t irunena:1; + uint64_t data_drpena:1; + uint64_t ithena:1; + uint64_t othena:1; + uint64_t ivfena:1; + uint64_t ovfena:1; + } s; + struct cvmx_mixx_intena_s cn52xx; + struct cvmx_mixx_intena_s cn52xxp1; + struct cvmx_mixx_intena_s cn56xx; + struct cvmx_mixx_intena_s cn56xxp1; +}; + +union cvmx_mixx_ircnt { + uint64_t u64; + struct cvmx_mixx_ircnt_s { + uint64_t reserved_20_63:44; + uint64_t ircnt:20; + } s; + struct cvmx_mixx_ircnt_s cn52xx; + struct cvmx_mixx_ircnt_s cn52xxp1; + struct cvmx_mixx_ircnt_s cn56xx; + struct cvmx_mixx_ircnt_s cn56xxp1; +}; + +union cvmx_mixx_irhwm { + uint64_t u64; + struct cvmx_mixx_irhwm_s { + uint64_t reserved_40_63:24; + uint64_t ibplwm:20; + uint64_t irhwm:20; + } s; + struct cvmx_mixx_irhwm_s cn52xx; + struct cvmx_mixx_irhwm_s cn52xxp1; + struct cvmx_mixx_irhwm_s cn56xx; + struct cvmx_mixx_irhwm_s cn56xxp1; +}; + +union cvmx_mixx_iring1 { + uint64_t u64; + struct cvmx_mixx_iring1_s { + uint64_t reserved_60_63:4; + uint64_t isize:20; + uint64_t reserved_36_39:4; + uint64_t ibase:33; + uint64_t reserved_0_2:3; + } s; + struct cvmx_mixx_iring1_s cn52xx; + struct cvmx_mixx_iring1_s cn52xxp1; + struct cvmx_mixx_iring1_s cn56xx; + struct cvmx_mixx_iring1_s cn56xxp1; +}; + +union cvmx_mixx_iring2 { + uint64_t u64; + struct cvmx_mixx_iring2_s { + uint64_t reserved_52_63:12; + uint64_t itlptr:20; + uint64_t reserved_20_31:12; + uint64_t idbell:20; + } s; + struct cvmx_mixx_iring2_s cn52xx; + struct cvmx_mixx_iring2_s cn52xxp1; + struct cvmx_mixx_iring2_s cn56xx; + struct cvmx_mixx_iring2_s cn56xxp1; +}; + +union cvmx_mixx_isr { + uint64_t u64; + struct cvmx_mixx_isr_s { + uint64_t reserved_7_63:57; + uint64_t orun:1; + uint64_t irun:1; + uint64_t data_drp:1; + uint64_t irthresh:1; + uint64_t orthresh:1; + uint64_t idblovf:1; + uint64_t odblovf:1; + } s; + struct cvmx_mixx_isr_s cn52xx; + struct cvmx_mixx_isr_s cn52xxp1; + struct cvmx_mixx_isr_s cn56xx; + struct cvmx_mixx_isr_s cn56xxp1; +}; + +union cvmx_mixx_orcnt { + uint64_t u64; + struct cvmx_mixx_orcnt_s { + uint64_t reserved_20_63:44; + uint64_t orcnt:20; + } s; + struct cvmx_mixx_orcnt_s cn52xx; + struct cvmx_mixx_orcnt_s cn52xxp1; + struct cvmx_mixx_orcnt_s cn56xx; + struct cvmx_mixx_orcnt_s cn56xxp1; +}; + +union cvmx_mixx_orhwm { + uint64_t u64; + struct cvmx_mixx_orhwm_s { + uint64_t reserved_20_63:44; + uint64_t orhwm:20; + } s; + struct cvmx_mixx_orhwm_s cn52xx; + struct cvmx_mixx_orhwm_s cn52xxp1; + struct cvmx_mixx_orhwm_s cn56xx; + struct cvmx_mixx_orhwm_s cn56xxp1; +}; + +union cvmx_mixx_oring1 { + uint64_t u64; + struct cvmx_mixx_oring1_s { + uint64_t reserved_60_63:4; + uint64_t osize:20; + uint64_t reserved_36_39:4; + uint64_t obase:33; + uint64_t reserved_0_2:3; + } s; + struct cvmx_mixx_oring1_s cn52xx; + struct cvmx_mixx_oring1_s cn52xxp1; + struct cvmx_mixx_oring1_s cn56xx; + struct cvmx_mixx_oring1_s cn56xxp1; +}; + +union cvmx_mixx_oring2 { + uint64_t u64; + struct cvmx_mixx_oring2_s { + uint64_t reserved_52_63:12; + uint64_t otlptr:20; + uint64_t reserved_20_31:12; + uint64_t odbell:20; + } s; + struct cvmx_mixx_oring2_s cn52xx; + struct cvmx_mixx_oring2_s cn52xxp1; + struct cvmx_mixx_oring2_s cn56xx; + struct cvmx_mixx_oring2_s cn56xxp1; +}; + +union cvmx_mixx_remcnt { + uint64_t u64; + struct cvmx_mixx_remcnt_s { + uint64_t reserved_52_63:12; + uint64_t iremcnt:20; + uint64_t reserved_20_31:12; + uint64_t oremcnt:20; + } s; + struct cvmx_mixx_remcnt_s cn52xx; + struct cvmx_mixx_remcnt_s cn52xxp1; + struct cvmx_mixx_remcnt_s cn56xx; + struct cvmx_mixx_remcnt_s cn56xxp1; +}; + +#endif diff --git a/arch/mips/include/asm/octeon/cvmx-smix-defs.h b/arch/mips/include/asm/octeon/cvmx-smix-defs.h new file mode 100644 index 00000000000..9ae45fcbe3e --- /dev/null +++ b/arch/mips/include/asm/octeon/cvmx-smix-defs.h @@ -0,0 +1,178 @@ +/***********************license start*************** + * Author: Cavium Networks + * + * Contact: support@caviumnetworks.com + * This file is part of the OCTEON SDK + * + * Copyright (c) 2003-2008 Cavium Networks + * + * This file is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License, Version 2, as + * published by the Free Software Foundation. + * + * This file is distributed in the hope that it will be useful, but + * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty + * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or + * NONINFRINGEMENT. See the GNU General Public License for more + * details. + * + * You should have received a copy of the GNU General Public License + * along with this file; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * or visit http://www.gnu.org/licenses/. + * + * This file may also be available under a different license from Cavium. + * Contact Cavium Networks for more information + ***********************license end**************************************/ + +#ifndef __CVMX_SMIX_DEFS_H__ +#define __CVMX_SMIX_DEFS_H__ + +#define CVMX_SMIX_CLK(offset) \ + CVMX_ADD_IO_SEG(0x0001180000001818ull + (((offset) & 1) * 256)) +#define CVMX_SMIX_CMD(offset) \ + CVMX_ADD_IO_SEG(0x0001180000001800ull + (((offset) & 1) * 256)) +#define CVMX_SMIX_EN(offset) \ + CVMX_ADD_IO_SEG(0x0001180000001820ull + (((offset) & 1) * 256)) +#define CVMX_SMIX_RD_DAT(offset) \ + CVMX_ADD_IO_SEG(0x0001180000001810ull + (((offset) & 1) * 256)) +#define CVMX_SMIX_WR_DAT(offset) \ + CVMX_ADD_IO_SEG(0x0001180000001808ull + (((offset) & 1) * 256)) + +union cvmx_smix_clk { + uint64_t u64; + struct cvmx_smix_clk_s { + uint64_t reserved_25_63:39; + uint64_t mode:1; + uint64_t reserved_21_23:3; + uint64_t sample_hi:5; + uint64_t sample_mode:1; + uint64_t reserved_14_14:1; + uint64_t clk_idle:1; + uint64_t preamble:1; + uint64_t sample:4; + uint64_t phase:8; + } s; + struct cvmx_smix_clk_cn30xx { + uint64_t reserved_21_63:43; + uint64_t sample_hi:5; + uint64_t reserved_14_15:2; + uint64_t clk_idle:1; + uint64_t preamble:1; + uint64_t sample:4; + uint64_t phase:8; + } cn30xx; + struct cvmx_smix_clk_cn30xx cn31xx; + struct cvmx_smix_clk_cn30xx cn38xx; + struct cvmx_smix_clk_cn30xx cn38xxp2; + struct cvmx_smix_clk_cn50xx { + uint64_t reserved_25_63:39; + uint64_t mode:1; + uint64_t reserved_21_23:3; + uint64_t sample_hi:5; + uint64_t reserved_14_15:2; + uint64_t clk_idle:1; + uint64_t preamble:1; + uint64_t sample:4; + uint64_t phase:8; + } cn50xx; + struct cvmx_smix_clk_s cn52xx; + struct cvmx_smix_clk_cn50xx cn52xxp1; + struct cvmx_smix_clk_s cn56xx; + struct cvmx_smix_clk_cn50xx cn56xxp1; + struct cvmx_smix_clk_cn30xx cn58xx; + struct cvmx_smix_clk_cn30xx cn58xxp1; +}; + +union cvmx_smix_cmd { + uint64_t u64; + struct cvmx_smix_cmd_s { + uint64_t reserved_18_63:46; + uint64_t phy_op:2; + uint64_t reserved_13_15:3; + uint64_t phy_adr:5; + uint64_t reserved_5_7:3; + uint64_t reg_adr:5; + } s; + struct cvmx_smix_cmd_cn30xx { + uint64_t reserved_17_63:47; + uint64_t phy_op:1; + uint64_t reserved_13_15:3; + uint64_t phy_adr:5; + uint64_t reserved_5_7:3; + uint64_t reg_adr:5; + } cn30xx; + struct cvmx_smix_cmd_cn30xx cn31xx; + struct cvmx_smix_cmd_cn30xx cn38xx; + struct cvmx_smix_cmd_cn30xx cn38xxp2; + struct cvmx_smix_cmd_s cn50xx; + struct cvmx_smix_cmd_s cn52xx; + struct cvmx_smix_cmd_s cn52xxp1; + struct cvmx_smix_cmd_s cn56xx; + struct cvmx_smix_cmd_s cn56xxp1; + struct cvmx_smix_cmd_cn30xx cn58xx; + struct cvmx_smix_cmd_cn30xx cn58xxp1; +}; + +union cvmx_smix_en { + uint64_t u64; + struct cvmx_smix_en_s { + uint64_t reserved_1_63:63; + uint64_t en:1; + } s; + struct cvmx_smix_en_s cn30xx; + struct cvmx_smix_en_s cn31xx; + struct cvmx_smix_en_s cn38xx; + struct cvmx_smix_en_s cn38xxp2; + struct cvmx_smix_en_s cn50xx; + struct cvmx_smix_en_s cn52xx; + struct cvmx_smix_en_s cn52xxp1; + struct cvmx_smix_en_s cn56xx; + struct cvmx_smix_en_s cn56xxp1; + struct cvmx_smix_en_s cn58xx; + struct cvmx_smix_en_s cn58xxp1; +}; + +union cvmx_smix_rd_dat { + uint64_t u64; + struct cvmx_smix_rd_dat_s { + uint64_t reserved_18_63:46; + uint64_t pending:1; + uint64_t val:1; + uint64_t dat:16; + } s; + struct cvmx_smix_rd_dat_s cn30xx; + struct cvmx_smix_rd_dat_s cn31xx; + struct cvmx_smix_rd_dat_s cn38xx; + struct cvmx_smix_rd_dat_s cn38xxp2; + struct cvmx_smix_rd_dat_s cn50xx; + struct cvmx_smix_rd_dat_s cn52xx; + struct cvmx_smix_rd_dat_s cn52xxp1; + struct cvmx_smix_rd_dat_s cn56xx; + struct cvmx_smix_rd_dat_s cn56xxp1; + struct cvmx_smix_rd_dat_s cn58xx; + struct cvmx_smix_rd_dat_s cn58xxp1; +}; + +union cvmx_smix_wr_dat { + uint64_t u64; + struct cvmx_smix_wr_dat_s { + uint64_t reserved_18_63:46; + uint64_t pending:1; + uint64_t val:1; + uint64_t dat:16; + } s; + struct cvmx_smix_wr_dat_s cn30xx; + struct cvmx_smix_wr_dat_s cn31xx; + struct cvmx_smix_wr_dat_s cn38xx; + struct cvmx_smix_wr_dat_s cn38xxp2; + struct cvmx_smix_wr_dat_s cn50xx; + struct cvmx_smix_wr_dat_s cn52xx; + struct cvmx_smix_wr_dat_s cn52xxp1; + struct cvmx_smix_wr_dat_s cn56xx; + struct cvmx_smix_wr_dat_s cn56xxp1; + struct cvmx_smix_wr_dat_s cn58xx; + struct cvmx_smix_wr_dat_s cn58xxp1; +}; + +#endif diff --git a/arch/mips/include/asm/octeon/octeon.h b/arch/mips/include/asm/octeon/octeon.h index cac9b1a206f..4d0a8c61fc3 100644 --- a/arch/mips/include/asm/octeon/octeon.h +++ b/arch/mips/include/asm/octeon/octeon.h @@ -47,6 +47,7 @@ struct octeon_cop2_state; extern unsigned long octeon_crypto_enable(struct octeon_cop2_state *state); extern void octeon_crypto_disable(struct octeon_cop2_state *state, unsigned long flags); +extern asmlinkage void octeon_cop2_restore(struct octeon_cop2_state *task); extern void octeon_init_cvmcount(void); diff --git a/arch/mips/include/asm/pgtable.h b/arch/mips/include/asm/pgtable.h index d6eb6134abe..1854336e56a 100644 --- a/arch/mips/include/asm/pgtable.h +++ b/arch/mips/include/asm/pgtable.h @@ -390,6 +390,19 @@ static inline int io_remap_pfn_range(struct vm_area_struct *vma, #include <asm-generic/pgtable.h> /* + * uncached accelerated TLB map for video memory access + */ +#ifdef CONFIG_CPU_SUPPORTS_UNCACHED_ACCELERATED +#define __HAVE_PHYS_MEM_ACCESS_PROT + +struct file; +pgprot_t phys_mem_access_prot(struct file *file, unsigned long pfn, + unsigned long size, pgprot_t vma_prot); +int phys_mem_access_prot_allowed(struct file *file, unsigned long pfn, + unsigned long size, pgprot_t *vma_prot); +#endif + +/* * We provide our own get_unmapped area to cope with the virtual aliasing * constraints placed on us by the cache architecture. */ diff --git a/arch/mips/include/asm/sgialib.h b/arch/mips/include/asm/sgialib.h index bfce5c786f1..63741ca1e42 100644 --- a/arch/mips/include/asm/sgialib.h +++ b/arch/mips/include/asm/sgialib.h @@ -85,8 +85,7 @@ extern void prom_identify_arch(void); extern PCHAR ArcGetEnvironmentVariable(PCHAR name); extern LONG ArcSetEnvironmentVariable(PCHAR name, PCHAR value); -/* ARCS command line acquisition and parsing. */ -extern char *prom_getcmdline(void); +/* ARCS command line parsing. */ extern void prom_init_cmdline(void); /* Acquiring info about the current time, etc. */ diff --git a/arch/mips/include/asm/stackframe.h b/arch/mips/include/asm/stackframe.h index db0fa7b5aea..3b6da3330e3 100644 --- a/arch/mips/include/asm/stackframe.h +++ b/arch/mips/include/asm/stackframe.h @@ -51,9 +51,6 @@ LONG_S v1, PT_ACX(sp) #else mfhi v1 - LONG_S v1, PT_HI(sp) - mflo v1 - LONG_S v1, PT_LO(sp) #endif #ifdef CONFIG_32BIT LONG_S $8, PT_R8(sp) @@ -62,10 +59,17 @@ LONG_S $10, PT_R10(sp) LONG_S $11, PT_R11(sp) LONG_S $12, PT_R12(sp) +#ifndef CONFIG_CPU_HAS_SMARTMIPS + LONG_S v1, PT_HI(sp) + mflo v1 +#endif LONG_S $13, PT_R13(sp) LONG_S $14, PT_R14(sp) LONG_S $15, PT_R15(sp) LONG_S $24, PT_R24(sp) +#ifndef CONFIG_CPU_HAS_SMARTMIPS + LONG_S v1, PT_LO(sp) +#endif .endm .macro SAVE_STATIC @@ -83,15 +87,19 @@ #ifdef CONFIG_SMP #ifdef CONFIG_MIPS_MT_SMTC #define PTEBASE_SHIFT 19 /* TCBIND */ +#define CPU_ID_REG CP0_TCBIND +#define CPU_ID_MFC0 mfc0 +#elif defined(CONFIG_MIPS_PGD_C0_CONTEXT) +#define PTEBASE_SHIFT 48 /* XCONTEXT */ +#define CPU_ID_REG CP0_XCONTEXT +#define CPU_ID_MFC0 MFC0 #else #define PTEBASE_SHIFT 23 /* CONTEXT */ +#define CPU_ID_REG CP0_CONTEXT +#define CPU_ID_MFC0 MFC0 #endif .macro get_saved_sp /* SMP variation */ -#ifdef CONFIG_MIPS_MT_SMTC - mfc0 k0, CP0_TCBIND -#else - MFC0 k0, CP0_CONTEXT -#endif + CPU_ID_MFC0 k0, CPU_ID_REG #if defined(CONFIG_32BIT) || defined(KBUILD_64BIT_SYM32) lui k1, %hi(kernelsp) #else @@ -107,11 +115,7 @@ .endm .macro set_saved_sp stackp temp temp2 -#ifdef CONFIG_MIPS_MT_SMTC - mfc0 \temp, CP0_TCBIND -#else - MFC0 \temp, CP0_CONTEXT -#endif + CPU_ID_MFC0 \temp, CPU_ID_REG LONG_SRL \temp, PTEBASE_SHIFT LONG_S \stackp, kernelsp(\temp) .endm @@ -166,7 +170,6 @@ LONG_S $0, PT_R0(sp) mfc0 v1, CP0_STATUS LONG_S $2, PT_R2(sp) - LONG_S v1, PT_STATUS(sp) #ifdef CONFIG_MIPS_MT_SMTC /* * Ideally, these instructions would be shuffled in @@ -178,20 +181,21 @@ LONG_S v1, PT_TCSTATUS(sp) #endif /* CONFIG_MIPS_MT_SMTC */ LONG_S $4, PT_R4(sp) - mfc0 v1, CP0_CAUSE LONG_S $5, PT_R5(sp) - LONG_S v1, PT_CAUSE(sp) + LONG_S v1, PT_STATUS(sp) + mfc0 v1, CP0_CAUSE LONG_S $6, PT_R6(sp) - MFC0 v1, CP0_EPC LONG_S $7, PT_R7(sp) + LONG_S v1, PT_CAUSE(sp) + MFC0 v1, CP0_EPC #ifdef CONFIG_64BIT LONG_S $8, PT_R8(sp) LONG_S $9, PT_R9(sp) #endif - LONG_S v1, PT_EPC(sp) LONG_S $25, PT_R25(sp) LONG_S $28, PT_R28(sp) LONG_S $31, PT_R31(sp) + LONG_S v1, PT_EPC(sp) ori $28, sp, _THREAD_MASK xori $28, _THREAD_MASK #ifdef CONFIG_CPU_CAVIUM_OCTEON diff --git a/arch/mips/kernel/Makefile b/arch/mips/kernel/Makefile index eecd2a9f155..9326af5186f 100644 --- a/arch/mips/kernel/Makefile +++ b/arch/mips/kernel/Makefile @@ -2,14 +2,17 @@ # Makefile for the Linux/MIPS kernel. # -CPPFLAGS_vmlinux.lds := $(KBUILD_CFLAGS) - extra-y := head.o init_task.o vmlinux.lds obj-y += cpu-probe.o branch.o entry.o genex.o irq.o process.o \ ptrace.o reset.o setup.o signal.o syscall.o \ time.o topology.o traps.o unaligned.o watch.o +ifdef CONFIG_FUNCTION_TRACER +CFLAGS_REMOVE_ftrace.o = -pg +CFLAGS_REMOVE_early_printk.o = -pg +endif + obj-$(CONFIG_CEVT_BCM1480) += cevt-bcm1480.o obj-$(CONFIG_CEVT_R4K_LIB) += cevt-r4k.o obj-$(CONFIG_MIPS_MT_SMTC) += cevt-smtc.o @@ -19,6 +22,7 @@ obj-$(CONFIG_CEVT_SB1250) += cevt-sb1250.o obj-$(CONFIG_CEVT_TXX9) += cevt-txx9.o obj-$(CONFIG_CSRC_BCM1480) += csrc-bcm1480.o obj-$(CONFIG_CSRC_IOASIC) += csrc-ioasic.o +obj-$(CONFIG_CSRC_POWERTV) += csrc-powertv.o obj-$(CONFIG_CSRC_R4K_LIB) += csrc-r4k.o obj-$(CONFIG_CSRC_SB1250) += csrc-sb1250.o obj-$(CONFIG_SYNC_R4K) += sync-r4k.o @@ -26,6 +30,8 @@ obj-$(CONFIG_SYNC_R4K) += sync-r4k.o obj-$(CONFIG_STACKTRACE) += stacktrace.o obj-$(CONFIG_MODULES) += mips_ksyms.o module.o +obj-$(CONFIG_FUNCTION_TRACER) += mcount.o ftrace.o + obj-$(CONFIG_CPU_LOONGSON2) += r4k_fpu.o r4k_switch.o obj-$(CONFIG_CPU_MIPS32) += r4k_fpu.o r4k_switch.o obj-$(CONFIG_CPU_MIPS64) += r4k_fpu.o r4k_switch.o @@ -92,4 +98,8 @@ CFLAGS_cpu-bugs64.o = $(shell if $(CC) $(KBUILD_CFLAGS) -Wa,-mdaddi -c -o /dev/n obj-$(CONFIG_HAVE_STD_PC_SERIAL_PORT) += 8250-platform.o +obj-$(CONFIG_MIPS_CPUFREQ) += cpufreq/ + EXTRA_CFLAGS += -Werror + +CPPFLAGS_vmlinux.lds := $(KBUILD_CFLAGS) diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c index 7a51866068a..80e202eca05 100644 --- a/arch/mips/kernel/cpu-probe.c +++ b/arch/mips/kernel/cpu-probe.c @@ -16,6 +16,7 @@ #include <linux/ptrace.h> #include <linux/smp.h> #include <linux/stddef.h> +#include <linux/module.h> #include <asm/bugs.h> #include <asm/cpu.h> @@ -32,6 +33,7 @@ * the CPU very much. */ void (*cpu_wait)(void); +EXPORT_SYMBOL(cpu_wait); static void r3081_wait(void) { diff --git a/arch/mips/kernel/cpufreq/Kconfig b/arch/mips/kernel/cpufreq/Kconfig new file mode 100644 index 00000000000..58c601eee6f --- /dev/null +++ b/arch/mips/kernel/cpufreq/Kconfig @@ -0,0 +1,41 @@ +# +# CPU Frequency scaling +# + +config MIPS_EXTERNAL_TIMER + bool + +config MIPS_CPUFREQ + bool + default y + depends on CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER + +if MIPS_CPUFREQ + +menu "CPU Frequency scaling" + +source "drivers/cpufreq/Kconfig" + +if CPU_FREQ + +comment "CPUFreq processor drivers" + +config LOONGSON2_CPUFREQ + tristate "Loongson2 CPUFreq Driver" + select CPU_FREQ_TABLE + depends on MIPS_CPUFREQ + help + This option adds a CPUFreq driver for loongson processors which + support software configurable cpu frequency. + + Loongson2F and it's successors support this feature. + + For details, take a look at <file:Documentation/cpu-freq/>. + + If in doubt, say N. + +endif # CPU_FREQ + +endmenu + +endif # MIPS_CPUFREQ diff --git a/arch/mips/kernel/cpufreq/Makefile b/arch/mips/kernel/cpufreq/Makefile new file mode 100644 index 00000000000..c3479a432ef --- /dev/null +++ b/arch/mips/kernel/cpufreq/Makefile @@ -0,0 +1,5 @@ +# +# Makefile for the Linux/MIPS cpufreq. +# + +obj-$(CONFIG_LOONGSON2_CPUFREQ) += loongson2_cpufreq.o loongson2_clock.o diff --git a/arch/mips/kernel/cpufreq/loongson2_clock.c b/arch/mips/kernel/cpufreq/loongson2_clock.c new file mode 100644 index 00000000000..d7ca256e33e --- /dev/null +++ b/arch/mips/kernel/cpufreq/loongson2_clock.c @@ -0,0 +1,166 @@ +/* + * Copyright (C) 2006 - 2008 Lemote Inc. & Insititute of Computing Technology + * Author: Yanhua, yanh@lemote.com + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ + +#include <linux/cpufreq.h> +#include <linux/platform_device.h> + +#include <asm/clock.h> + +#include <loongson.h> + +static LIST_HEAD(clock_list); +static DEFINE_SPINLOCK(clock_lock); +static DEFINE_MUTEX(clock_list_sem); + +/* Minimum CLK support */ +enum { + DC_ZERO, DC_25PT = 2, DC_37PT, DC_50PT, DC_62PT, DC_75PT, + DC_87PT, DC_DISABLE, DC_RESV +}; + +struct cpufreq_frequency_table loongson2_clockmod_table[] = { + {DC_RESV, CPUFREQ_ENTRY_INVALID}, + {DC_ZERO, CPUFREQ_ENTRY_INVALID}, + {DC_25PT, 0}, + {DC_37PT, 0}, + {DC_50PT, 0}, + {DC_62PT, 0}, + {DC_75PT, 0}, + {DC_87PT, 0}, + {DC_DISABLE, 0}, + {DC_RESV, CPUFREQ_TABLE_END}, +}; +EXPORT_SYMBOL_GPL(loongson2_clockmod_table); + +static struct clk cpu_clk = { + .name = "cpu_clk", + .flags = CLK_ALWAYS_ENABLED | CLK_RATE_PROPAGATES, + .rate = 800000000, +}; + +struct clk *clk_get(struct device *dev, const char *id) +{ + return &cpu_clk; +} +EXPORT_SYMBOL(clk_get); + +static void propagate_rate(struct clk *clk) +{ + struct clk *clkp; + + list_for_each_entry(clkp, &clock_list, node) { + if (likely(clkp->parent != clk)) + continue; + if (likely(clkp->ops && clkp->ops->recalc)) + clkp->ops->recalc(clkp); + if (unlikely(clkp->flags & CLK_RATE_PROPAGATES)) + propagate_rate(clkp); + } +} + +int clk_enable(struct clk *clk) +{ + return 0; +} +EXPORT_SYMBOL(clk_enable); + +void clk_disable(struct clk *clk) +{ +} +EXPORT_SYMBOL(clk_disable); + +unsigned long clk_get_rate(struct clk *clk) +{ + return (unsigned long)clk->rate; +} +EXPORT_SYMBOL(clk_get_rate); + +void clk_put(struct clk *clk) +{ +} +EXPORT_SYMBOL(clk_put); + +int clk_set_rate(struct clk *clk, unsigned long rate) +{ + return clk_set_rate_ex(clk, rate, 0); +} +EXPORT_SYMBOL_GPL(clk_set_rate); + +int clk_set_rate_ex(struct clk *clk, unsigned long rate, int algo_id) +{ + int ret = 0; + int regval; + int i; + + if (likely(clk->ops && clk->ops->set_rate)) { + unsigned long flags; + + spin_lock_irqsave(&clock_lock, flags); + ret = clk->ops->set_rate(clk, rate, algo_id); + spin_unlock_irqrestore(&clock_lock, flags); + } + + if (unlikely(clk->flags & CLK_RATE_PROPAGATES)) + propagate_rate(clk); + + for (i = 0; loongson2_clockmod_table[i].frequency != CPUFREQ_TABLE_END; + i++) { + if (loongson2_clockmod_table[i].frequency == + CPUFREQ_ENTRY_INVALID) + continue; + if (rate == loongson2_clockmod_table[i].frequency) + break; + } + if (rate != loongson2_clockmod_table[i].frequency) + return -ENOTSUPP; + + clk->rate = rate; + + regval = LOONGSON_CHIPCFG0; + regval = (regval & ~0x7) | (loongson2_clockmod_table[i].index - 1); + LOONGSON_CHIPCFG0 = regval; + + return ret; +} +EXPORT_SYMBOL_GPL(clk_set_rate_ex); + +long clk_round_rate(struct clk *clk, unsigned long rate) +{ + if (likely(clk->ops && clk->ops->round_rate)) { + unsigned long flags, rounded; + + spin_lock_irqsave(&clock_lock, flags); + rounded = clk->ops->round_rate(clk, rate); + spin_unlock_irqrestore(&clock_lock, flags); + + return rounded; + } + + return rate; +} +EXPORT_SYMBOL_GPL(clk_round_rate); + +/* + * This is the simple version of Loongson-2 wait, Maybe we need do this in + * interrupt disabled content + */ + +DEFINE_SPINLOCK(loongson2_wait_lock); +void loongson2_cpu_wait(void) +{ + u32 cpu_freq; + unsigned long flags; + + spin_lock_irqsave(&loongson2_wait_lock, flags); + cpu_freq = LOONGSON_CHIPCFG0; + LOONGSON_CHIPCFG0 &= ~0x7; /* Put CPU into wait mode */ + LOONGSON_CHIPCFG0 = cpu_freq; /* Restore CPU state */ + spin_unlock_irqrestore(&loongson2_wait_lock, flags); +} +EXPORT_SYMBOL_GPL(loongson2_cpu_wait); diff --git a/arch/mips/kernel/cpufreq/loongson2_cpufreq.c b/arch/mips/kernel/cpufreq/loongson2_cpufreq.c new file mode 100644 index 00000000000..2f6a0b147ab --- /dev/null +++ b/arch/mips/kernel/cpufreq/loongson2_cpufreq.c @@ -0,0 +1,227 @@ +/* + * Cpufreq driver for the loongson-2 processors + * + * The 2E revision of loongson processor not support this feature. + * + * Copyright (C) 2006 - 2008 Lemote Inc. & Insititute of Computing Technology + * Author: Yanhua, yanh@lemote.com + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ +#include <linux/cpufreq.h> +#include <linux/module.h> +#include <linux/err.h> +#include <linux/sched.h> /* set_cpus_allowed() */ +#include <linux/delay.h> +#include <linux/platform_device.h> + +#include <asm/clock.h> + +#include <loongson.h> + +static uint nowait; + +static struct clk *cpuclk; + +static void (*saved_cpu_wait) (void); + +static int loongson2_cpu_freq_notifier(struct notifier_block *nb, + unsigned long val, void *data); + +static struct notifier_block loongson2_cpufreq_notifier_block = { + .notifier_call = loongson2_cpu_freq_notifier +}; + +static int loongson2_cpu_freq_notifier(struct notifier_block *nb, + unsigned long val, void *data) +{ + if (val == CPUFREQ_POSTCHANGE) + current_cpu_data.udelay_val = loops_per_jiffy; + + return 0; +} + +static unsigned int loongson2_cpufreq_get(unsigned int cpu) +{ + return clk_get_rate(cpuclk); +} + +/* + * Here we notify other drivers of the proposed change and the final change. + */ +static int loongson2_cpufreq_target(struct cpufreq_policy *policy, + unsigned int target_freq, + unsigned int relation) +{ + unsigned int cpu = policy->cpu; + unsigned int newstate = 0; + cpumask_t cpus_allowed; + struct cpufreq_freqs freqs; + unsigned int freq; + + if (!cpu_online(cpu)) + return -ENODEV; + + cpus_allowed = current->cpus_allowed; + set_cpus_allowed(current, cpumask_of_cpu(cpu)); + + if (cpufreq_frequency_table_target + (policy, &loongson2_clockmod_table[0], target_freq, relation, + &newstate)) + return -EINVAL; + + freq = + ((cpu_clock_freq / 1000) * + loongson2_clockmod_table[newstate].index) / 8; + if (freq < policy->min || freq > policy->max) + return -EINVAL; + + pr_debug("cpufreq: requested frequency %u Hz\n", target_freq * 1000); + + freqs.cpu = cpu; + freqs.old = loongson2_cpufreq_get(cpu); + freqs.new = freq; + freqs.flags = 0; + + if (freqs.new == freqs.old) + return 0; + + /* notifiers */ + cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE); + + set_cpus_allowed(current, cpus_allowed); + + /* setting the cpu frequency */ + clk_set_rate(cpuclk, freq); + + /* notifiers */ + cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE); + + pr_debug("cpufreq: set frequency %u kHz\n", freq); + + return 0; +} + +static int loongson2_cpufreq_cpu_init(struct cpufreq_policy *policy) +{ + int i; + + if (!cpu_online(policy->cpu)) + return -ENODEV; + + cpuclk = clk_get(NULL, "cpu_clk"); + if (IS_ERR(cpuclk)) { + printk(KERN_ERR "cpufreq: couldn't get CPU clk\n"); + return PTR_ERR(cpuclk); + } + + cpuclk->rate = cpu_clock_freq / 1000; + if (!cpuclk->rate) + return -EINVAL; + + /* clock table init */ + for (i = 2; + (loongson2_clockmod_table[i].frequency != CPUFREQ_TABLE_END); + i++) + loongson2_clockmod_table[i].frequency = (cpuclk->rate * i) / 8; + + policy->cur = loongson2_cpufreq_get(policy->cpu); + + cpufreq_frequency_table_get_attr(&loongson2_clockmod_table[0], + policy->cpu); + + return cpufreq_frequency_table_cpuinfo(policy, + &loongson2_clockmod_table[0]); +} + +static int loongson2_cpufreq_verify(struct cpufreq_policy *policy) +{ + return cpufreq_frequency_table_verify(policy, + &loongson2_clockmod_table[0]); +} + +static int loongson2_cpufreq_exit(struct cpufreq_policy *policy) +{ + clk_put(cpuclk); + return 0; +} + +static struct freq_attr *loongson2_table_attr[] = { + &cpufreq_freq_attr_scaling_available_freqs, + NULL, +}; + +static struct cpufreq_driver loongson2_cpufreq_driver = { + .owner = THIS_MODULE, + .name = "loongson2", + .init = loongson2_cpufreq_cpu_init, + .verify = loongson2_cpufreq_verify, + .target = loongson2_cpufreq_target, + .get = loongson2_cpufreq_get, + .exit = loongson2_cpufreq_exit, + .attr = loongson2_table_attr, +}; + +static struct platform_device_id platform_device_ids[] = { + { + .name = "loongson2_cpufreq", + }, + {} +}; + +MODULE_DEVICE_TABLE(platform, platform_device_ids); + +static struct platform_driver platform_driver = { + .driver = { + .name = "loongson2_cpufreq", + .owner = THIS_MODULE, + }, + .id_table = platform_device_ids, +}; + +static int __init cpufreq_init(void) +{ + int ret; + + /* Register platform stuff */ + ret = platform_driver_register(&platform_driver); + if (ret) + return ret; + + pr_info("cpufreq: Loongson-2F CPU frequency driver.\n"); + + cpufreq_register_notifier(&loongson2_cpufreq_notifier_block, + CPUFREQ_TRANSITION_NOTIFIER); + + ret = cpufreq_register_driver(&loongson2_cpufreq_driver); + + if (!ret && !nowait) { + saved_cpu_wait = cpu_wait; + cpu_wait = loongson2_cpu_wait; + } + + return ret; +} + +static void __exit cpufreq_exit(void) +{ + if (!nowait && saved_cpu_wait) + cpu_wait = saved_cpu_wait; + cpufreq_unregister_driver(&loongson2_cpufreq_driver); + cpufreq_unregister_notifier(&loongson2_cpufreq_notifier_block, + CPUFREQ_TRANSITION_NOTIFIER); + + platform_driver_unregister(&platform_driver); +} + +module_init(cpufreq_init); +module_exit(cpufreq_exit); + +module_param(nowait, uint, 0644); +MODULE_PARM_DESC(nowait, "Disable Loongson-2F specific wait"); + +MODULE_AUTHOR("Yanhua <yanh@lemote.com>"); +MODULE_DESCRIPTION("cpufreq driver for Loongson2F"); +MODULE_LICENSE("GPL"); diff --git a/arch/mips/kernel/csrc-powertv.c b/arch/mips/kernel/csrc-powertv.c new file mode 100644 index 00000000000..a27c16c8690 --- /dev/null +++ b/arch/mips/kernel/csrc-powertv.c @@ -0,0 +1,180 @@ +/* + * Copyright (C) 2008 Scientific-Atlanta, Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ +/* + * The file comes from kernel/csrc-r4k.c + */ +#include <linux/clocksource.h> +#include <linux/init.h> + +#include <asm/time.h> /* Not included in linux/time.h */ + +#include <asm/mach-powertv/asic_regs.h> +#include "powertv-clock.h" + +/* MIPS PLL Register Definitions */ +#define PLL_GET_M(x) (((x) >> 8) & 0x000000FF) +#define PLL_GET_N(x) (((x) >> 16) & 0x000000FF) +#define PLL_GET_P(x) (((x) >> 24) & 0x00000007) + +/* + * returns: Clock frequency in kHz + */ +unsigned int __init mips_get_pll_freq(void) +{ + unsigned int pll_reg, m, n, p; + unsigned int fin = 54000; /* Base frequency in kHz */ + unsigned int fout; + + /* Read PLL register setting */ + pll_reg = asic_read(mips_pll_setup); + m = PLL_GET_M(pll_reg); + n = PLL_GET_N(pll_reg); + p = PLL_GET_P(pll_reg); + pr_info("MIPS PLL Register:0x%x M=%d N=%d P=%d\n", pll_reg, m, n, p); + + /* Calculate clock frequency = (2 * N * 54MHz) / (M * (2**P)) */ + fout = ((2 * n * fin) / (m * (0x01 << p))); + + pr_info("MIPS Clock Freq=%d kHz\n", fout); + + return fout; +} + +static cycle_t c0_hpt_read(struct clocksource *cs) +{ + return read_c0_count(); +} + +static struct clocksource clocksource_mips = { + .name = "powertv-counter", + .read = c0_hpt_read, + .mask = CLOCKSOURCE_MASK(32), + .flags = CLOCK_SOURCE_IS_CONTINUOUS, +}; + +static void __init powertv_c0_hpt_clocksource_init(void) +{ + unsigned int pll_freq = mips_get_pll_freq(); + + pr_info("CPU frequency %d.%02d MHz\n", pll_freq / 1000, + (pll_freq % 1000) * 100 / 1000); + + mips_hpt_frequency = pll_freq / 2 * 1000; + + clocksource_mips.rating = 200 + mips_hpt_frequency / 10000000; + + clocksource_set_clock(&clocksource_mips, mips_hpt_frequency); + + clocksource_register(&clocksource_mips); +} + +/** + * struct tim_c - free running counter + * @hi: High 16 bits of the counter + * @lo: Low 32 bits of the counter + * + * Lays out the structure of the free running counter in memory. This counter + * increments at a rate of 27 MHz/8 on all platforms. + */ +struct tim_c { + unsigned int hi; + unsigned int lo; +}; + +static struct tim_c *tim_c; + +static cycle_t tim_c_read(struct clocksource *cs) +{ + unsigned int hi; + unsigned int next_hi; + unsigned int lo; + + hi = readl(&tim_c->hi); + + for (;;) { + lo = readl(&tim_c->lo); + next_hi = readl(&tim_c->hi); + if (next_hi == hi) + break; + hi = next_hi; + } + +pr_crit("%s: read %llx\n", __func__, ((u64) hi << 32) | lo); + return ((u64) hi << 32) | lo; +} + +#define TIM_C_SIZE 48 /* # bits in the timer */ + +static struct clocksource clocksource_tim_c = { + .name = "powertv-tim_c", + .read = tim_c_read, + .mask = CLOCKSOURCE_MASK(TIM_C_SIZE), + .flags = CLOCK_SOURCE_IS_CONTINUOUS, +}; + +/** + * powertv_tim_c_clocksource_init - set up a clock source for the TIM_C clock + * + * The hard part here is coming up with a constant k and shift s such that + * the 48-bit TIM_C value multiplied by k doesn't overflow and that value, + * when shifted right by s, yields the corresponding number of nanoseconds. + * We know that TIM_C counts at 27 MHz/8, so each cycle corresponds to + * 1 / (27,000,000/8) seconds. Multiply that by a billion and you get the + * number of nanoseconds. Since the TIM_C value has 48 bits and the math is + * done in 64 bits, avoiding an overflow means that k must be less than + * 64 - 48 = 16 bits. + */ +static void __init powertv_tim_c_clocksource_init(void) +{ + int prescale; + unsigned long dividend; + unsigned long k; + int s; + const int max_k_bits = (64 - 48) - 1; + const unsigned long billion = 1000000000; + const unsigned long counts_per_second = 27000000 / 8; + + prescale = BITS_PER_LONG - ilog2(billion) - 1; + dividend = billion << prescale; + k = dividend / counts_per_second; + s = ilog2(k) - max_k_bits; + + if (s < 0) + s = prescale; + + else { + k >>= s; + s += prescale; + } + + clocksource_tim_c.mult = k; + clocksource_tim_c.shift = s; + clocksource_tim_c.rating = 200; + + clocksource_register(&clocksource_tim_c); + tim_c = (struct tim_c *) asic_reg_addr(tim_ch); +} + +/** + powertv_clocksource_init - initialize all clocksources + */ +void __init powertv_clocksource_init(void) +{ + powertv_c0_hpt_clocksource_init(); + powertv_tim_c_clocksource_init(); +} diff --git a/arch/mips/kernel/ftrace.c b/arch/mips/kernel/ftrace.c new file mode 100644 index 00000000000..68b067040d8 --- /dev/null +++ b/arch/mips/kernel/ftrace.c @@ -0,0 +1,275 @@ +/* + * Code for replacing ftrace calls with jumps. + * + * Copyright (C) 2007-2008 Steven Rostedt <srostedt@redhat.com> + * Copyright (C) 2009 DSLab, Lanzhou University, China + * Author: Wu Zhangjin <wuzj@lemote.com> + * + * Thanks goes to Steven Rostedt for writing the original x86 version. + */ + +#include <linux/uaccess.h> +#include <linux/init.h> +#include <linux/ftrace.h> + +#include <asm/cacheflush.h> +#include <asm/asm.h> +#include <asm/asm-offsets.h> + +#ifdef CONFIG_DYNAMIC_FTRACE + +#define JAL 0x0c000000 /* jump & link: ip --> ra, jump to target */ +#define ADDR_MASK 0x03ffffff /* op_code|addr : 31...26|25 ....0 */ +#define jump_insn_encode(op_code, addr) \ + ((unsigned int)((op_code) | (((addr) >> 2) & ADDR_MASK))) + +static unsigned int ftrace_nop = 0x00000000; + +static int ftrace_modify_code(unsigned long ip, unsigned int new_code) +{ + int faulted; + + /* *(unsigned int *)ip = new_code; */ + safe_store_code(new_code, ip, faulted); + + if (unlikely(faulted)) + return -EFAULT; + + flush_icache_range(ip, ip + 8); + + return 0; +} + +static int lui_v1; +static int jal_mcount; + +int ftrace_make_nop(struct module *mod, + struct dyn_ftrace *rec, unsigned long addr) +{ + unsigned int new; + int faulted; + unsigned long ip = rec->ip; + + /* We have compiled module with -mlong-calls, but compiled the kernel + * without it, we need to cope with them respectively. */ + if (ip & 0x40000000) { + /* record it for ftrace_make_call */ + if (lui_v1 == 0) { + /* lui_v1 = *(unsigned int *)ip; */ + safe_load_code(lui_v1, ip, faulted); + + if (unlikely(faulted)) + return -EFAULT; + } + + /* lui v1, hi_16bit_of_mcount --> b 1f (0x10000004) + * addiu v1, v1, low_16bit_of_mcount + * move at, ra + * jalr v1 + * nop + * 1f: (ip + 12) + */ + new = 0x10000004; + } else { + /* record/calculate it for ftrace_make_call */ + if (jal_mcount == 0) { + /* We can record it directly like this: + * jal_mcount = *(unsigned int *)ip; + * Herein, jump over the first two nop instructions */ + jal_mcount = jump_insn_encode(JAL, (MCOUNT_ADDR + 8)); + } + + /* move at, ra + * jalr v1 --> nop + */ + new = ftrace_nop; + } + return ftrace_modify_code(ip, new); +} + +static int modified; /* initialized as 0 by default */ + +int ftrace_make_call(struct dyn_ftrace *rec, unsigned long addr) +{ + unsigned int new; + unsigned long ip = rec->ip; + + /* We just need to remove the "b ftrace_stub" at the fist time! */ + if (modified == 0) { + modified = 1; + ftrace_modify_code(addr, ftrace_nop); + } + /* ip, module: 0xc0000000, kernel: 0x80000000 */ + new = (ip & 0x40000000) ? lui_v1 : jal_mcount; + + return ftrace_modify_code(ip, new); +} + +#define FTRACE_CALL_IP ((unsigned long)(&ftrace_call)) + +int ftrace_update_ftrace_func(ftrace_func_t func) +{ + unsigned int new; + + new = jump_insn_encode(JAL, (unsigned long)func); + + return ftrace_modify_code(FTRACE_CALL_IP, new); +} + +int __init ftrace_dyn_arch_init(void *data) +{ + /* The return code is retured via data */ + *(unsigned long *)data = 0; + + return 0; +} +#endif /* CONFIG_DYNAMIC_FTRACE */ + +#ifdef CONFIG_FUNCTION_GRAPH_TRACER + +#ifdef CONFIG_DYNAMIC_FTRACE + +extern void ftrace_graph_call(void); +#define JMP 0x08000000 /* jump to target directly */ +#define CALL_FTRACE_GRAPH_CALLER \ + jump_insn_encode(JMP, (unsigned long)(&ftrace_graph_caller)) +#define FTRACE_GRAPH_CALL_IP ((unsigned long)(&ftrace_graph_call)) + +int ftrace_enable_ftrace_graph_caller(void) +{ + return ftrace_modify_code(FTRACE_GRAPH_CALL_IP, + CALL_FTRACE_GRAPH_CALLER); +} + +int ftrace_disable_ftrace_graph_caller(void) +{ + return ftrace_modify_code(FTRACE_GRAPH_CALL_IP, ftrace_nop); +} + +#endif /* !CONFIG_DYNAMIC_FTRACE */ + +#ifndef KBUILD_MCOUNT_RA_ADDRESS +#define S_RA_SP (0xafbf << 16) /* s{d,w} ra, offset(sp) */ +#define S_R_SP (0xafb0 << 16) /* s{d,w} R, offset(sp) */ +#define OFFSET_MASK 0xffff /* stack offset range: 0 ~ PT_SIZE */ + +unsigned long ftrace_get_parent_addr(unsigned long self_addr, + unsigned long parent, + unsigned long parent_addr, + unsigned long fp) +{ + unsigned long sp, ip, ra; + unsigned int code; + int faulted; + + /* in module or kernel? */ + if (self_addr & 0x40000000) { + /* module: move to the instruction "lui v1, HI_16BIT_OF_MCOUNT" */ + ip = self_addr - 20; + } else { + /* kernel: move to the instruction "move ra, at" */ + ip = self_addr - 12; + } + + /* search the text until finding the non-store instruction or "s{d,w} + * ra, offset(sp)" instruction */ + do { + ip -= 4; + + /* get the code at "ip": code = *(unsigned int *)ip; */ + safe_load_code(code, ip, faulted); + + if (unlikely(faulted)) + return 0; + + /* If we hit the non-store instruction before finding where the + * ra is stored, then this is a leaf function and it does not + * store the ra on the stack. */ + if ((code & S_R_SP) != S_R_SP) + return parent_addr; + + } while (((code & S_RA_SP) != S_RA_SP)); + + sp = fp + (code & OFFSET_MASK); + + /* ra = *(unsigned long *)sp; */ + safe_load_stack(ra, sp, faulted); + if (unlikely(faulted)) + return 0; + + if (ra == parent) + return sp; + return 0; +} + +#endif + +/* + * Hook the return address and push it in the stack of return addrs + * in current thread info. + */ +void prepare_ftrace_return(unsigned long *parent, unsigned long self_addr, + unsigned long fp) +{ + unsigned long old; + struct ftrace_graph_ent trace; + unsigned long return_hooker = (unsigned long) + &return_to_handler; + int faulted; + + if (unlikely(atomic_read(¤t->tracing_graph_pause))) + return; + + /* "parent" is the stack address saved the return address of the caller + * of _mcount. + * + * if the gcc < 4.5, a leaf function does not save the return address + * in the stack address, so, we "emulate" one in _mcount's stack space, + * and hijack it directly, but for a non-leaf function, it save the + * return address to the its own stack space, we can not hijack it + * directly, but need to find the real stack address, + * ftrace_get_parent_addr() does it! + * + * if gcc>= 4.5, with the new -mmcount-ra-address option, for a + * non-leaf function, the location of the return address will be saved + * to $12 for us, and for a leaf function, only put a zero into $12. we + * do it in ftrace_graph_caller of mcount.S. + */ + + /* old = *parent; */ + safe_load_stack(old, parent, faulted); + if (unlikely(faulted)) + goto out; +#ifndef KBUILD_MCOUNT_RA_ADDRESS + parent = (unsigned long *)ftrace_get_parent_addr(self_addr, old, + (unsigned long)parent, + fp); + /* If fails when getting the stack address of the non-leaf function's + * ra, stop function graph tracer and return */ + if (parent == 0) + goto out; +#endif + /* *parent = return_hooker; */ + safe_store_stack(return_hooker, parent, faulted); + if (unlikely(faulted)) + goto out; + + if (ftrace_push_return_trace(old, self_addr, &trace.depth, fp) == + -EBUSY) { + *parent = old; + return; + } + + trace.func = self_addr; + + /* Only trace if the calling function expects to */ + if (!ftrace_graph_entry(&trace)) { + current->curr_ret_stack--; + *parent = old; + } + return; +out: + ftrace_graph_stop(); + WARN_ON(1); +} +#endif /* CONFIG_FUNCTION_GRAPH_TRACER */ diff --git a/arch/mips/kernel/irq.c b/arch/mips/kernel/irq.c index 8b0b4181219..981f86c2616 100644 --- a/arch/mips/kernel/irq.c +++ b/arch/mips/kernel/irq.c @@ -22,6 +22,7 @@ #include <linux/seq_file.h> #include <linux/kallsyms.h> #include <linux/kgdb.h> +#include <linux/ftrace.h> #include <asm/atomic.h> #include <asm/system.h> @@ -150,3 +151,32 @@ void __init init_IRQ(void) kgdb_early_setup = 1; #endif } + +/* + * do_IRQ handles all normal device IRQ's (the special + * SMP cross-CPU interrupts have their own specific + * handlers). + */ +void __irq_entry do_IRQ(unsigned int irq) +{ + irq_enter(); + __DO_IRQ_SMTC_HOOK(irq); + generic_handle_irq(irq); + irq_exit(); +} + +#ifdef CONFIG_MIPS_MT_SMTC_IRQAFF +/* + * To avoid inefficient and in some cases pathological re-checking of + * IRQ affinity, we have this variant that skips the affinity check. + */ + +void __irq_entry do_IRQ_no_affinity(unsigned int irq) +{ + irq_enter(); + __NO_AFFINITY_IRQ_SMTC_HOOK(irq); + generic_handle_irq(irq); + irq_exit(); +} + +#endif /* CONFIG_MIPS_MT_SMTC_IRQAFF */ diff --git a/arch/mips/kernel/mcount.S b/arch/mips/kernel/mcount.S new file mode 100644 index 00000000000..0a9cfdb271d --- /dev/null +++ b/arch/mips/kernel/mcount.S @@ -0,0 +1,189 @@ +/* + * MIPS specific _mcount support + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive for + * more details. + * + * Copyright (C) 2009 Lemote Inc. & DSLab, Lanzhou University, China + * Author: Wu Zhangjin <wuzj@lemote.com> + */ + +#include <asm/regdef.h> +#include <asm/stackframe.h> +#include <asm/ftrace.h> + + .text + .set noreorder + .set noat + + .macro MCOUNT_SAVE_REGS + PTR_SUBU sp, PT_SIZE + PTR_S ra, PT_R31(sp) + PTR_S AT, PT_R1(sp) + PTR_S a0, PT_R4(sp) + PTR_S a1, PT_R5(sp) + PTR_S a2, PT_R6(sp) + PTR_S a3, PT_R7(sp) +#ifdef CONFIG_64BIT + PTR_S a4, PT_R8(sp) + PTR_S a5, PT_R9(sp) + PTR_S a6, PT_R10(sp) + PTR_S a7, PT_R11(sp) +#endif + .endm + + .macro MCOUNT_RESTORE_REGS + PTR_L ra, PT_R31(sp) + PTR_L AT, PT_R1(sp) + PTR_L a0, PT_R4(sp) + PTR_L a1, PT_R5(sp) + PTR_L a2, PT_R6(sp) + PTR_L a3, PT_R7(sp) +#ifdef CONFIG_64BIT + PTR_L a4, PT_R8(sp) + PTR_L a5, PT_R9(sp) + PTR_L a6, PT_R10(sp) + PTR_L a7, PT_R11(sp) +#endif +#ifdef CONFIG_64BIT + PTR_ADDIU sp, PT_SIZE +#else + PTR_ADDIU sp, (PT_SIZE + 8) +#endif +.endm + + .macro RETURN_BACK + jr ra + move ra, AT + .endm + +#ifdef CONFIG_DYNAMIC_FTRACE + +NESTED(ftrace_caller, PT_SIZE, ra) + .globl _mcount +_mcount: + b ftrace_stub + nop + lw t1, function_trace_stop + bnez t1, ftrace_stub + nop + + MCOUNT_SAVE_REGS +#ifdef KBUILD_MCOUNT_RA_ADDRESS + PTR_S t0, PT_R12(sp) /* t0 saved the location of the return address(at) by -mmcount-ra-address */ +#endif + + move a0, ra /* arg1: next ip, selfaddr */ + .globl ftrace_call +ftrace_call: + nop /* a placeholder for the call to a real tracing function */ + move a1, AT /* arg2: the caller's next ip, parent */ + +#ifdef CONFIG_FUNCTION_GRAPH_TRACER + .globl ftrace_graph_call +ftrace_graph_call: + nop + nop +#endif + + MCOUNT_RESTORE_REGS + .globl ftrace_stub +ftrace_stub: + RETURN_BACK + END(ftrace_caller) + +#else /* ! CONFIG_DYNAMIC_FTRACE */ + +NESTED(_mcount, PT_SIZE, ra) + lw t1, function_trace_stop + bnez t1, ftrace_stub + nop + PTR_LA t1, ftrace_stub + PTR_L t2, ftrace_trace_function /* Prepare t2 for (1) */ + bne t1, t2, static_trace + nop + +#ifdef CONFIG_FUNCTION_GRAPH_TRACER + PTR_L t3, ftrace_graph_return + bne t1, t3, ftrace_graph_caller + nop + PTR_LA t1, ftrace_graph_entry_stub + PTR_L t3, ftrace_graph_entry + bne t1, t3, ftrace_graph_caller + nop +#endif + b ftrace_stub + nop + +static_trace: + MCOUNT_SAVE_REGS + + move a0, ra /* arg1: next ip, selfaddr */ + jalr t2 /* (1) call *ftrace_trace_function */ + move a1, AT /* arg2: the caller's next ip, parent */ + + MCOUNT_RESTORE_REGS + .globl ftrace_stub +ftrace_stub: + RETURN_BACK + END(_mcount) + +#endif /* ! CONFIG_DYNAMIC_FTRACE */ + +#ifdef CONFIG_FUNCTION_GRAPH_TRACER + +NESTED(ftrace_graph_caller, PT_SIZE, ra) +#ifdef CONFIG_DYNAMIC_FTRACE + PTR_L a1, PT_R31(sp) /* load the original ra from the stack */ +#ifdef KBUILD_MCOUNT_RA_ADDRESS + PTR_L t0, PT_R12(sp) /* load the original t0 from the stack */ +#endif +#else + MCOUNT_SAVE_REGS + move a1, ra /* arg2: next ip, selfaddr */ +#endif + +#ifdef KBUILD_MCOUNT_RA_ADDRESS + bnez t0, 1f /* non-leaf func: t0 saved the location of the return address */ + nop + PTR_LA t0, PT_R1(sp) /* leaf func: get the location of at(old ra) from our own stack */ +1: move a0, t0 /* arg1: the location of the return address */ +#else + PTR_LA a0, PT_R1(sp) /* arg1: &AT -> a0 */ +#endif + jal prepare_ftrace_return +#ifdef CONFIG_FRAME_POINTER + move a2, fp /* arg3: frame pointer */ +#else +#ifdef CONFIG_64BIT + PTR_LA a2, PT_SIZE(sp) +#else + PTR_LA a2, (PT_SIZE+8)(sp) +#endif +#endif + + MCOUNT_RESTORE_REGS + RETURN_BACK + END(ftrace_graph_caller) + + .align 2 + .globl return_to_handler +return_to_handler: + PTR_SUBU sp, PT_SIZE + PTR_S v0, PT_R2(sp) + + jal ftrace_return_to_handler + PTR_S v1, PT_R3(sp) + + /* restore the real parent address: v0 -> ra */ + move ra, v0 + + PTR_L v0, PT_R2(sp) + PTR_L v1, PT_R3(sp) + jr ra + PTR_ADDIU sp, PT_SIZE +#endif /* CONFIG_FUNCTION_GRAPH_TRACER */ + + .set at + .set reorder diff --git a/arch/mips/kernel/mips_ksyms.c b/arch/mips/kernel/mips_ksyms.c index 225755d0c1f..1d04807874d 100644 --- a/arch/mips/kernel/mips_ksyms.c +++ b/arch/mips/kernel/mips_ksyms.c @@ -13,6 +13,7 @@ #include <asm/checksum.h> #include <asm/pgtable.h> #include <asm/uaccess.h> +#include <asm/ftrace.h> extern void *__bzero(void *__s, size_t __count); extern long __strncpy_from_user_nocheck_asm(char *__to, @@ -51,3 +52,7 @@ EXPORT_SYMBOL(csum_partial_copy_nocheck); EXPORT_SYMBOL(__csum_partial_copy_user); EXPORT_SYMBOL(invalid_pte_table); +#ifdef CONFIG_FUNCTION_TRACER +/* _mcount is defined in arch/mips/kernel/mcount.S */ +EXPORT_SYMBOL(_mcount); +#endif diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c index 2b290d70083..f9513f9e61d 100644 --- a/arch/mips/kernel/setup.c +++ b/arch/mips/kernel/setup.c @@ -58,8 +58,12 @@ EXPORT_SYMBOL(mips_machtype); struct boot_mem_map boot_mem_map; -static char command_line[CL_SIZE]; - char arcs_cmdline[CL_SIZE]=CONFIG_CMDLINE; +static char __initdata command_line[COMMAND_LINE_SIZE]; +char __initdata arcs_cmdline[COMMAND_LINE_SIZE]; + +#ifdef CONFIG_CMDLINE_BOOL +static char __initdata builtin_cmdline[COMMAND_LINE_SIZE] = CONFIG_CMDLINE; +#endif /* * mips_io_port_base is the begin of the address space to which x86 style @@ -166,26 +170,8 @@ static unsigned long __init init_initrd(void) * already set up initrd_start and initrd_end. In these cases * perfom sanity checks and use them if all looks good. */ - if (!initrd_start || initrd_end <= initrd_start) { -#ifdef CONFIG_PROBE_INITRD_HEADER - u32 *initrd_header; - - /* - * See if initrd has been added to the kernel image by - * arch/mips/boot/addinitrd.c. In that case a header is - * prepended to initrd and is made up by 8 bytes. The first - * word is a magic number and the second one is the size of - * initrd. Initrd start must be page aligned in any cases. - */ - initrd_header = __va(PAGE_ALIGN(__pa_symbol(&_end) + 8)) - 8; - if (initrd_header[0] != 0x494E5244) - goto disable; - initrd_start = (unsigned long)(initrd_header + 2); - initrd_end = initrd_start + initrd_header[1]; -#else + if (!initrd_start || initrd_end <= initrd_start) goto disable; -#endif - } if (initrd_start & ~PAGE_MASK) { pr_err("initrd start must be page aligned\n"); @@ -476,8 +462,20 @@ static void __init arch_mem_init(char **cmdline_p) pr_info("Determined physical RAM map:\n"); print_memory_map(); - strlcpy(command_line, arcs_cmdline, sizeof(command_line)); - strlcpy(boot_command_line, command_line, COMMAND_LINE_SIZE); +#ifdef CONFIG_CMDLINE_BOOL +#ifdef CONFIG_CMDLINE_OVERRIDE + strlcpy(boot_command_line, builtin_cmdline, COMMAND_LINE_SIZE); +#else + if (builtin_cmdline[0]) { + strlcat(arcs_cmdline, " ", COMMAND_LINE_SIZE); + strlcat(arcs_cmdline, builtin_cmdline, COMMAND_LINE_SIZE); + } + strlcpy(boot_command_line, arcs_cmdline, COMMAND_LINE_SIZE); +#endif +#else + strlcpy(boot_command_line, arcs_cmdline, COMMAND_LINE_SIZE); +#endif + strlcpy(command_line, boot_command_line, COMMAND_LINE_SIZE); *cmdline_p = command_line; diff --git a/arch/mips/kernel/signal.c b/arch/mips/kernel/signal.c index 6254041b942..d0c68b5d717 100644 --- a/arch/mips/kernel/signal.c +++ b/arch/mips/kernel/signal.c @@ -35,6 +35,15 @@ #include "signal-common.h" +static int (*save_fp_context)(struct sigcontext __user *sc); +static int (*restore_fp_context)(struct sigcontext __user *sc); + +extern asmlinkage int _save_fp_context(struct sigcontext __user *sc); +extern asmlinkage int _restore_fp_context(struct sigcontext __user *sc); + +extern asmlinkage int fpu_emulator_save_context(struct sigcontext __user *sc); +extern asmlinkage int fpu_emulator_restore_context(struct sigcontext __user *sc); + /* * Horribly complicated - with the bloody RM9000 workarounds enabled * the signal trampolines is moving to the end of the structure so we can @@ -709,3 +718,40 @@ asmlinkage void do_notify_resume(struct pt_regs *regs, void *unused, key_replace_session_keyring(); } } + +#ifdef CONFIG_SMP +static int smp_save_fp_context(struct sigcontext __user *sc) +{ + return raw_cpu_has_fpu + ? _save_fp_context(sc) + : fpu_emulator_save_context(sc); +} + +static int smp_restore_fp_context(struct sigcontext __user *sc) +{ + return raw_cpu_has_fpu + ? _restore_fp_context(sc) + : fpu_emulator_restore_context(sc); +} +#endif + +static int signal_setup(void) +{ +#ifdef CONFIG_SMP + /* For now just do the cpu_has_fpu check when the functions are invoked */ + save_fp_context = smp_save_fp_context; + restore_fp_context = smp_restore_fp_context; +#else + if (cpu_has_fpu) { + save_fp_context = _save_fp_context; + restore_fp_context = _restore_fp_context; + } else { + save_fp_context = fpu_emulator_save_context; + restore_fp_context = fpu_emulator_restore_context; + } +#endif + + return 0; +} + +arch_initcall(signal_setup); diff --git a/arch/mips/kernel/signal32.c b/arch/mips/kernel/signal32.c index 2e74075ac0c..03abaf048f0 100644 --- a/arch/mips/kernel/signal32.c +++ b/arch/mips/kernel/signal32.c @@ -35,6 +35,15 @@ #include "signal-common.h" +static int (*save_fp_context32)(struct sigcontext32 __user *sc); +static int (*restore_fp_context32)(struct sigcontext32 __user *sc); + +extern asmlinkage int _save_fp_context32(struct sigcontext32 __user *sc); +extern asmlinkage int _restore_fp_context32(struct sigcontext32 __user *sc); + +extern asmlinkage int fpu_emulator_save_context32(struct sigcontext32 __user *sc); +extern asmlinkage int fpu_emulator_restore_context32(struct sigcontext32 __user *sc); + /* * Including <asm/unistd.h> would give use the 64-bit syscall numbers ... */ @@ -828,3 +837,18 @@ SYSCALL_DEFINE5(32_waitid, int, which, compat_pid_t, pid, info.si_code |= __SI_CHLD; return copy_siginfo_to_user32(uinfo, &info); } + +static int signal32_init(void) +{ + if (cpu_has_fpu) { + save_fp_context32 = _save_fp_context32; + restore_fp_context32 = _restore_fp_context32; + } else { + save_fp_context32 = fpu_emulator_save_context32; + restore_fp_context32 = fpu_emulator_restore_context32; + } + + return 0; +} + +arch_initcall(signal32_init); diff --git a/arch/mips/kernel/smp.c b/arch/mips/kernel/smp.c index e72e6844d13..6cdca1956b7 100644 --- a/arch/mips/kernel/smp.c +++ b/arch/mips/kernel/smp.c @@ -32,6 +32,7 @@ #include <linux/cpumask.h> #include <linux/cpu.h> #include <linux/err.h> +#include <linux/ftrace.h> #include <asm/atomic.h> #include <asm/cpu.h> @@ -130,7 +131,7 @@ asmlinkage __cpuinit void start_secondary(void) /* * Call into both interrupt handlers, as we share the IPI for them */ -void smp_call_function_interrupt(void) +void __irq_entry smp_call_function_interrupt(void) { irq_enter(); generic_smp_call_function_single_interrupt(); diff --git a/arch/mips/kernel/smtc.c b/arch/mips/kernel/smtc.c index a38e3ee9551..23499b5bd9c 100644 --- a/arch/mips/kernel/smtc.c +++ b/arch/mips/kernel/smtc.c @@ -25,6 +25,7 @@ #include <linux/interrupt.h> #include <linux/kernel_stat.h> #include <linux/module.h> +#include <linux/ftrace.h> #include <asm/cpu.h> #include <asm/processor.h> @@ -939,23 +940,29 @@ static void ipi_call_interrupt(void) DECLARE_PER_CPU(struct clock_event_device, mips_clockevent_device); -void ipi_decode(struct smtc_ipi *pipi) +static void __irq_entry smtc_clock_tick_interrupt(void) { unsigned int cpu = smp_processor_id(); struct clock_event_device *cd; + int irq = MIPS_CPU_IRQ_BASE + 1; + + irq_enter(); + kstat_incr_irqs_this_cpu(irq, irq_to_desc(irq)); + cd = &per_cpu(mips_clockevent_device, cpu); + cd->event_handler(cd); + irq_exit(); +} + +void ipi_decode(struct smtc_ipi *pipi) +{ void *arg_copy = pipi->arg; int type_copy = pipi->type; - int irq = MIPS_CPU_IRQ_BASE + 1; smtc_ipi_nq(&freeIPIq, pipi); switch (type_copy) { case SMTC_CLOCK_TICK: - irq_enter(); - kstat_incr_irqs_this_cpu(irq, irq_to_desc(irq)); - cd = &per_cpu(mips_clockevent_device, cpu); - cd->event_handler(cd); - irq_exit(); + smtc_clock_tick_interrupt(); break; case LINUX_SMP_IPI: diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c index 0a18b4c62af..308e4346086 100644 --- a/arch/mips/kernel/traps.c +++ b/arch/mips/kernel/traps.c @@ -25,10 +25,12 @@ #include <linux/ptrace.h> #include <linux/kgdb.h> #include <linux/kdebug.h> +#include <linux/notifier.h> #include <asm/bootinfo.h> #include <asm/branch.h> #include <asm/break.h> +#include <asm/cop2.h> #include <asm/cpu.h> #include <asm/dsp.h> #include <asm/fpu.h> @@ -79,10 +81,6 @@ extern asmlinkage void handle_reserved(void); extern int fpu_emulator_cop1Handler(struct pt_regs *xcp, struct mips_fpu_struct *ctx, int has_fpu); -#ifdef CONFIG_CPU_CAVIUM_OCTEON -extern asmlinkage void octeon_cop2_restore(struct octeon_cop2_state *task); -#endif - void (*board_be_init)(void); int (*board_be_handler)(struct pt_regs *regs, int is_fixup); void (*board_nmi_handler_setup)(void); @@ -857,6 +855,44 @@ static void mt_ase_fp_affinity(void) #endif /* CONFIG_MIPS_MT_FPAFF */ } +/* + * No lock; only written during early bootup by CPU 0. + */ +static RAW_NOTIFIER_HEAD(cu2_chain); + +int __ref register_cu2_notifier(struct notifier_block *nb) +{ + return raw_notifier_chain_register(&cu2_chain, nb); +} + +int cu2_notifier_call_chain(unsigned long val, void *v) +{ + return raw_notifier_call_chain(&cu2_chain, val, v); +} + +static int default_cu2_call(struct notifier_block *nfb, unsigned long action, + void *data) +{ + struct pt_regs *regs = data; + + switch (action) { + default: + die_if_kernel("Unhandled kernel unaligned access or invalid " + "instruction", regs); + /* Fall through */ + + case CU2_EXCEPTION: + force_sig(SIGILL, current); + } + + return NOTIFY_OK; +} + +static struct notifier_block default_cu2_notifier = { + .notifier_call = default_cu2_call, + .priority = 0x80000000, /* Run last */ +}; + asmlinkage void do_cpu(struct pt_regs *regs) { unsigned int __user *epc; @@ -920,17 +956,9 @@ asmlinkage void do_cpu(struct pt_regs *regs) return; case 2: -#ifdef CONFIG_CPU_CAVIUM_OCTEON - prefetch(¤t->thread.cp2); - local_irq_save(flags); - KSTK_STATUS(current) |= ST0_CU2; - status = read_c0_status(); - write_c0_status(status | ST0_CU2); - octeon_cop2_restore(&(current->thread.cp2)); - write_c0_status(status & ~ST0_CU2); - local_irq_restore(flags); - return; -#endif + raw_notifier_call_chain(&cu2_chain, CU2_EXCEPTION, regs); + break; + case 3: break; } @@ -1367,77 +1395,6 @@ void *set_vi_handler(int n, vi_handler_t addr) return set_vi_srs_handler(n, addr, 0); } -/* - * This is used by native signal handling - */ -asmlinkage int (*save_fp_context)(struct sigcontext __user *sc); -asmlinkage int (*restore_fp_context)(struct sigcontext __user *sc); - -extern asmlinkage int _save_fp_context(struct sigcontext __user *sc); -extern asmlinkage int _restore_fp_context(struct sigcontext __user *sc); - -extern asmlinkage int fpu_emulator_save_context(struct sigcontext __user *sc); -extern asmlinkage int fpu_emulator_restore_context(struct sigcontext __user *sc); - -#ifdef CONFIG_SMP -static int smp_save_fp_context(struct sigcontext __user *sc) -{ - return raw_cpu_has_fpu - ? _save_fp_context(sc) - : fpu_emulator_save_context(sc); -} - -static int smp_restore_fp_context(struct sigcontext __user *sc) -{ - return raw_cpu_has_fpu - ? _restore_fp_context(sc) - : fpu_emulator_restore_context(sc); -} -#endif - -static inline void signal_init(void) -{ -#ifdef CONFIG_SMP - /* For now just do the cpu_has_fpu check when the functions are invoked */ - save_fp_context = smp_save_fp_context; - restore_fp_context = smp_restore_fp_context; -#else - if (cpu_has_fpu) { - save_fp_context = _save_fp_context; - restore_fp_context = _restore_fp_context; - } else { - save_fp_context = fpu_emulator_save_context; - restore_fp_context = fpu_emulator_restore_context; - } -#endif -} - -#ifdef CONFIG_MIPS32_COMPAT - -/* - * This is used by 32-bit signal stuff on the 64-bit kernel - */ -asmlinkage int (*save_fp_context32)(struct sigcontext32 __user *sc); -asmlinkage int (*restore_fp_context32)(struct sigcontext32 __user *sc); - -extern asmlinkage int _save_fp_context32(struct sigcontext32 __user *sc); -extern asmlinkage int _restore_fp_context32(struct sigcontext32 __user *sc); - -extern asmlinkage int fpu_emulator_save_context32(struct sigcontext32 __user *sc); -extern asmlinkage int fpu_emulator_restore_context32(struct sigcontext32 __user *sc); - -static inline void signal32_init(void) -{ - if (cpu_has_fpu) { - save_fp_context32 = _save_fp_context32; - restore_fp_context32 = _restore_fp_context32; - } else { - save_fp_context32 = fpu_emulator_save_context32; - restore_fp_context32 = fpu_emulator_restore_context32; - } -} -#endif - extern void cpu_cache_init(void); extern void tlb_init(void); extern void flush_tlb_handlers(void); @@ -1751,13 +1708,10 @@ void __init trap_init(void) else memcpy((void *)(ebase + 0x080), &except_vec3_generic, 0x80); - signal_init(); -#ifdef CONFIG_MIPS32_COMPAT - signal32_init(); -#endif - local_flush_icache_range(ebase, ebase + 0x400); flush_tlb_handlers(); sort_extable(__start___dbe_table, __stop___dbe_table); + + register_cu2_notifier(&default_cu2_notifier); } diff --git a/arch/mips/kernel/unaligned.c b/arch/mips/kernel/unaligned.c index 67bd626942a..69b039ca8d8 100644 --- a/arch/mips/kernel/unaligned.c +++ b/arch/mips/kernel/unaligned.c @@ -81,6 +81,7 @@ #include <asm/asm.h> #include <asm/branch.h> #include <asm/byteorder.h> +#include <asm/cop2.h> #include <asm/inst.h> #include <asm/uaccess.h> #include <asm/system.h> @@ -451,17 +452,27 @@ static void emulate_load_store_insn(struct pt_regs *regs, */ goto sigbus; + /* + * COP2 is available to implementor for application specific use. + * It's up to applications to register a notifier chain and do + * whatever they have to do, including possible sending of signals. + */ case lwc2_op: + cu2_notifier_call_chain(CU2_LWC2_OP, regs); + break; + case ldc2_op: + cu2_notifier_call_chain(CU2_LDC2_OP, regs); + break; + case swc2_op: + cu2_notifier_call_chain(CU2_SWC2_OP, regs); + break; + case sdc2_op: - /* - * These are the coprocessor 2 load/stores. The current - * implementations don't use cp2 and cp2 should always be - * disabled in c0_status. So send SIGILL. - * (No longer true: The Sony Praystation uses cp2 for - * 3D matrix operations. Dunno if that thingy has a MMU ...) - */ + cu2_notifier_call_chain(CU2_SDC2_OP, regs); + break; + default: /* * Pheeee... We encountered an yet unknown instruction or diff --git a/arch/mips/kernel/vmlinux.lds.S b/arch/mips/kernel/vmlinux.lds.S index 162b29954ba..f25df73db92 100644 --- a/arch/mips/kernel/vmlinux.lds.S +++ b/arch/mips/kernel/vmlinux.lds.S @@ -46,6 +46,7 @@ SECTIONS SCHED_TEXT LOCK_TEXT KPROBES_TEXT + IRQENTRY_TEXT *(.text.*) *(.fixup) *(.gnu.warning) diff --git a/arch/mips/lasat/picvue_proc.c b/arch/mips/lasat/picvue_proc.c index 0bb6037afba..8e388da1926 100644 --- a/arch/mips/lasat/picvue_proc.c +++ b/arch/mips/lasat/picvue_proc.c @@ -4,12 +4,14 @@ * Brian Murphy <brian.murphy@eicon.com> * */ +#include <linux/bug.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/init.h> #include <linux/errno.h> #include <linux/proc_fs.h> +#include <linux/seq_file.h> #include <linux/interrupt.h> #include <linux/timer.h> @@ -38,12 +40,9 @@ static void pvc_display(unsigned long data) static DECLARE_TASKLET(pvc_display_tasklet, &pvc_display, 0); -static int pvc_proc_read_line(char *page, char **start, - off_t off, int count, - int *eof, void *data) +static int pvc_line_proc_show(struct seq_file *m, void *v) { - char *origpage = page; - int lineno = *(int *)data; + int lineno = *(int *)m->private; if (lineno < 0 || lineno > PVC_NLINES) { printk(KERN_WARNING "proc_read_line: invalid lineno %d\n", lineno); @@ -51,45 +50,66 @@ static int pvc_proc_read_line(char *page, char **start, } mutex_lock(&pvc_mutex); - page += sprintf(page, "%s\n", pvc_lines[lineno]); + seq_printf(m, "%s\n", pvc_lines[lineno]); mutex_unlock(&pvc_mutex); - return page - origpage; + return 0; } -static int pvc_proc_write_line(struct file *file, const char *buffer, - unsigned long count, void *data) +static int pvc_line_proc_open(struct inode *inode, struct file *file) { - int origcount = count; - int lineno = *(int *)data; + return single_open(file, pvc_line_proc_show, PDE(inode)->data); +} - if (lineno < 0 || lineno > PVC_NLINES) { - printk(KERN_WARNING "proc_write_line: invalid lineno %d\n", - lineno); - return origcount; - } +static ssize_t pvc_line_proc_write(struct file *file, const char __user *buf, + size_t count, loff_t *pos) +{ + int lineno = *(int *)PDE(file->f_path.dentry->d_inode)->data; + char kbuf[PVC_LINELEN]; + size_t len; + + BUG_ON(lineno < 0 || lineno > PVC_NLINES); - if (count > PVC_LINELEN) - count = PVC_LINELEN; + len = min(count, sizeof(kbuf) - 1); + if (copy_from_user(kbuf, buf, len)) + return -EFAULT; + kbuf[len] = '\0'; - if (buffer[count-1] == '\n') - count--; + if (len > 0 && kbuf[len - 1] == '\n') + len--; mutex_lock(&pvc_mutex); - strncpy(pvc_lines[lineno], buffer, count); - pvc_lines[lineno][count] = '\0'; + strncpy(pvc_lines[lineno], kbuf, len); + pvc_lines[lineno][len] = '\0'; mutex_unlock(&pvc_mutex); tasklet_schedule(&pvc_display_tasklet); - return origcount; + return count; } -static int pvc_proc_write_scroll(struct file *file, const char *buffer, - unsigned long count, void *data) +static const struct file_operations pvc_line_proc_fops = { + .owner = THIS_MODULE, + .open = pvc_line_proc_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, + .write = pvc_line_proc_write, +}; + +static ssize_t pvc_scroll_proc_write(struct file *file, const char __user *buf, + size_t count, loff_t *pos) { - int origcount = count; - int cmd = simple_strtol(buffer, NULL, 10); + char kbuf[42]; + size_t len; + int cmd; + + len = min(count, sizeof(kbuf) - 1); + if (copy_from_user(kbuf, buf, len)) + return -EFAULT; + kbuf[len] = '\0'; + + cmd = simple_strtol(kbuf, NULL, 10); mutex_lock(&pvc_mutex); if (scroll_interval != 0) @@ -110,22 +130,31 @@ static int pvc_proc_write_scroll(struct file *file, const char *buffer, } mutex_unlock(&pvc_mutex); - return origcount; + return count; } -static int pvc_proc_read_scroll(char *page, char **start, - off_t off, int count, - int *eof, void *data) +static int pvc_scroll_proc_show(struct seq_file *m, void *v) { - char *origpage = page; - mutex_lock(&pvc_mutex); - page += sprintf(page, "%d\n", scroll_dir * scroll_interval); + seq_printf(m, "%d\n", scroll_dir * scroll_interval); mutex_unlock(&pvc_mutex); - return page - origpage; + return 0; } +static int pvc_scroll_proc_open(struct inode *inode, struct file *file) +{ + return single_open(file, pvc_scroll_proc_show, NULL); +} + +static const struct file_operations pvc_scroll_proc_fops = { + .owner = THIS_MODULE, + .open = pvc_scroll_proc_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, + .write = pvc_scroll_proc_write, +}; void pvc_proc_timerfunc(unsigned long data) { @@ -163,22 +192,16 @@ static int __init pvc_proc_init(void) pvc_linedata[i] = i; } for (i = 0; i < PVC_NLINES; i++) { - proc_entry = create_proc_entry(pvc_linename[i], 0644, - pvc_display_dir); + proc_entry = proc_create_data(pvc_linename[i], 0644, pvc_display_dir, + &pvc_line_proc_fops, &pvc_linedata[i]); if (proc_entry == NULL) goto error; - - proc_entry->read_proc = pvc_proc_read_line; - proc_entry->write_proc = pvc_proc_write_line; - proc_entry->data = &pvc_linedata[i]; } - proc_entry = create_proc_entry("scroll", 0644, pvc_display_dir); + proc_entry = proc_create("scroll", 0644, pvc_display_dir, + &pvc_scroll_proc_fops); if (proc_entry == NULL) goto error; - proc_entry->write_proc = pvc_proc_write_scroll; - proc_entry->read_proc = pvc_proc_read_scroll; - init_timer(&timer); timer.function = pvc_proc_timerfunc; diff --git a/arch/mips/lasat/prom.c b/arch/mips/lasat/prom.c index 6acc6cb85f0..20fde19a5fb 100644 --- a/arch/mips/lasat/prom.c +++ b/arch/mips/lasat/prom.c @@ -100,8 +100,8 @@ void __init prom_init(void) /* Get the command line */ if (argc > 0) { - strncpy(arcs_cmdline, argv[0], CL_SIZE-1); - arcs_cmdline[CL_SIZE-1] = '\0'; + strncpy(arcs_cmdline, argv[0], COMMAND_LINE_SIZE-1); + arcs_cmdline[COMMAND_LINE_SIZE-1] = '\0'; } /* Set the I/O base address */ diff --git a/arch/mips/lasat/sysctl.c b/arch/mips/lasat/sysctl.c index 14b9a28a4ae..d87ffd04cb0 100644 --- a/arch/mips/lasat/sysctl.c +++ b/arch/mips/lasat/sysctl.c @@ -204,7 +204,7 @@ static ctl_table lasat_table[] = { .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_lasat_prid, -. }, + }, #ifdef CONFIG_INET { .procname = "ipaddr", diff --git a/arch/mips/loongson/Kconfig b/arch/mips/loongson/Kconfig index d45092505fa..3df1967dea0 100644 --- a/arch/mips/loongson/Kconfig +++ b/arch/mips/loongson/Kconfig @@ -1,31 +1,85 @@ choice - prompt "Machine Type" - depends on MACH_LOONGSON + prompt "Machine Type" + depends on MACH_LOONGSON config LEMOTE_FULOONG2E - bool "Lemote Fuloong(2e) mini-PC" - select ARCH_SPARSEMEM_ENABLE - select CEVT_R4K - select CSRC_R4K - select SYS_HAS_CPU_LOONGSON2E - select DMA_NONCOHERENT - select BOOT_ELF32 - select BOARD_SCACHE - select HW_HAS_PCI - select I8259 - select ISA - select IRQ_CPU - select SYS_SUPPORTS_32BIT_KERNEL - select SYS_SUPPORTS_64BIT_KERNEL - select SYS_SUPPORTS_LITTLE_ENDIAN - select SYS_SUPPORTS_HIGHMEM - select SYS_HAS_EARLY_PRINTK - select GENERIC_HARDIRQS_NO__DO_IRQ - select GENERIC_ISA_DMA_SUPPORT_BROKEN - select CPU_HAS_WB - help - Lemote Fuloong(2e) mini-PC board based on the Chinese Loongson-2E CPU and - an FPGA northbridge - - Lemote Fuloong(2e) mini PC have a VIA686B south bridge. + bool "Lemote Fuloong(2e) mini-PC" + select ARCH_SPARSEMEM_ENABLE + select CEVT_R4K + select CSRC_R4K + select SYS_HAS_CPU_LOONGSON2E + select DMA_NONCOHERENT + select BOOT_ELF32 + select BOARD_SCACHE + select HW_HAS_PCI + select I8259 + select ISA + select IRQ_CPU + select SYS_SUPPORTS_32BIT_KERNEL + select SYS_SUPPORTS_64BIT_KERNEL + select SYS_SUPPORTS_LITTLE_ENDIAN + select SYS_SUPPORTS_HIGHMEM + select SYS_HAS_EARLY_PRINTK + select GENERIC_HARDIRQS_NO__DO_IRQ + select GENERIC_ISA_DMA_SUPPORT_BROKEN + select CPU_HAS_WB + help + Lemote Fuloong(2e) mini-PC board based on the Chinese Loongson-2E CPU and + an FPGA northbridge + + Lemote Fuloong(2e) mini PC have a VIA686B south bridge. + +config LEMOTE_MACH2F + bool "Lemote Loongson 2F family machines" + select ARCH_SPARSEMEM_ENABLE + select BOARD_SCACHE + select BOOT_ELF32 + select CEVT_R4K if ! MIPS_EXTERNAL_TIMER + select CPU_HAS_WB + select CS5536 + select CSRC_R4K if ! MIPS_EXTERNAL_TIMER + select DMA_NONCOHERENT + select GENERIC_HARDIRQS_NO__DO_IRQ + select GENERIC_ISA_DMA_SUPPORT_BROKEN + select HW_HAS_PCI + select I8259 + select IRQ_CPU + select ISA + select SYS_HAS_CPU_LOONGSON2F + select SYS_HAS_EARLY_PRINTK + select SYS_SUPPORTS_32BIT_KERNEL + select SYS_SUPPORTS_64BIT_KERNEL + select SYS_SUPPORTS_HIGHMEM + select SYS_SUPPORTS_LITTLE_ENDIAN + help + Lemote Loongson 2F family machines utilize the 2F revision of + Loongson processor and the AMD CS5536 south bridge. + + These family machines include fuloong2f mini PC, yeeloong2f notebook, + LingLoong allinone PC and so forth. endchoice + +config CS5536 + bool + +config CS5536_MFGPT + bool "CS5536 MFGPT Timer" + depends on CS5536 + select MIPS_EXTERNAL_TIMER + help + This option enables the mfgpt0 timer of AMD CS5536. + + If you want to enable the Loongson2 CPUFreq Driver, Please enable + this option at first, otherwise, You will get wrong system time. + + If unsure, say Yes. + +config LOONGSON_SUSPEND + bool + default y + depends on CPU_SUPPORTS_CPUFREQ && SUSPEND + +config LOONGSON_UART_BASE + bool + default y + depends on EARLY_PRINTK || SERIAL_8250 diff --git a/arch/mips/loongson/Makefile b/arch/mips/loongson/Makefile index 39048c455d7..2b76cb0fb07 100644 --- a/arch/mips/loongson/Makefile +++ b/arch/mips/loongson/Makefile @@ -9,3 +9,9 @@ obj-$(CONFIG_MACH_LOONGSON) += common/ # obj-$(CONFIG_LEMOTE_FULOONG2E) += fuloong-2e/ + +# +# Lemote loongson2f family machines +# + +obj-$(CONFIG_LEMOTE_MACH2F) += lemote-2f/ diff --git a/arch/mips/loongson/common/Makefile b/arch/mips/loongson/common/Makefile index 656b3cc0a2a..7668c4de115 100644 --- a/arch/mips/loongson/common/Makefile +++ b/arch/mips/loongson/common/Makefile @@ -3,9 +3,23 @@ # obj-y += setup.o init.o cmdline.o env.o time.o reset.o irq.o \ - pci.o bonito-irq.o mem.o machtype.o + pci.o bonito-irq.o mem.o machtype.o platform.o # -# Early printk support +# Serial port support # obj-$(CONFIG_EARLY_PRINTK) += early_printk.o +obj-$(CONFIG_SERIAL_8250) += serial.o +obj-$(CONFIG_LOONGSON_UART_BASE) += uart_base.o + +# +# Enable CS5536 Virtual Support Module(VSM) to virtulize the PCI configure +# space +# +obj-$(CONFIG_CS5536) += cs5536/ + +# +# Suspend Support +# + +obj-$(CONFIG_LOONGSON_SUSPEND) += pm.o diff --git a/arch/mips/loongson/common/bonito-irq.c b/arch/mips/loongson/common/bonito-irq.c index 3e31e7ad713..2dc2a4cc632 100644 --- a/arch/mips/loongson/common/bonito-irq.c +++ b/arch/mips/loongson/common/bonito-irq.c @@ -12,18 +12,19 @@ * option) any later version. */ #include <linux/interrupt.h> +#include <linux/compiler.h> #include <loongson.h> static inline void bonito_irq_enable(unsigned int irq) { - BONITO_INTENSET = (1 << (irq - BONITO_IRQ_BASE)); + LOONGSON_INTENSET = (1 << (irq - LOONGSON_IRQ_BASE)); mmiowb(); } static inline void bonito_irq_disable(unsigned int irq) { - BONITO_INTENCLR = (1 << (irq - BONITO_IRQ_BASE)); + LOONGSON_INTENCLR = (1 << (irq - LOONGSON_IRQ_BASE)); mmiowb(); } @@ -35,7 +36,7 @@ static struct irq_chip bonito_irq_type = { .unmask = bonito_irq_enable, }; -static struct irqaction dma_timeout_irqaction = { +static struct irqaction __maybe_unused dma_timeout_irqaction = { .handler = no_action, .name = "dma_timeout", }; @@ -44,8 +45,10 @@ void bonito_irq_init(void) { u32 i; - for (i = BONITO_IRQ_BASE; i < BONITO_IRQ_BASE + 32; i++) + for (i = LOONGSON_IRQ_BASE; i < LOONGSON_IRQ_BASE + 32; i++) set_irq_chip_and_handler(i, &bonito_irq_type, handle_level_irq); - setup_irq(BONITO_IRQ_BASE + 10, &dma_timeout_irqaction); +#ifdef CONFIG_CPU_LOONGSON2E + setup_irq(LOONGSON_IRQ_BASE + 10, &dma_timeout_irqaction); +#endif } diff --git a/arch/mips/loongson/common/cmdline.c b/arch/mips/loongson/common/cmdline.c index 75f1b243ee4..7ad47f22747 100644 --- a/arch/mips/loongson/common/cmdline.c +++ b/arch/mips/loongson/common/cmdline.c @@ -9,7 +9,7 @@ * Copyright (C) 2007 Lemote Inc. & Insititute of Computing Technology * Author: Fuxin Zhang, zhangfx@lemote.com * - * Copyright (C) 2009 Lemote Inc. & Insititute of Computing Technology + * Copyright (C) 2009 Lemote Inc. * Author: Wu Zhangjin, wuzj@lemote.com * * This program is free software; you can redistribute it and/or modify it @@ -49,4 +49,6 @@ void __init prom_init_cmdline(void) strcat(arcs_cmdline, " console=ttyS0,115200"); if ((strstr(arcs_cmdline, "root=")) == NULL) strcat(arcs_cmdline, " root=/dev/hda1"); + + prom_init_machtype(); } diff --git a/arch/mips/loongson/common/cs5536/Makefile b/arch/mips/loongson/common/cs5536/Makefile new file mode 100644 index 00000000000..510d4cdc237 --- /dev/null +++ b/arch/mips/loongson/common/cs5536/Makefile @@ -0,0 +1,13 @@ +# +# Makefile for CS5536 support. +# + +obj-$(CONFIG_CS5536) += cs5536_pci.o cs5536_ide.o cs5536_acc.o cs5536_ohci.o \ + cs5536_isa.o cs5536_ehci.o + +# +# Enable cs5536 mfgpt Timer +# +obj-$(CONFIG_CS5536_MFGPT) += cs5536_mfgpt.o + +EXTRA_CFLAGS += -Werror diff --git a/arch/mips/loongson/common/cs5536/cs5536_acc.c b/arch/mips/loongson/common/cs5536/cs5536_acc.c new file mode 100644 index 00000000000..b49485f187e --- /dev/null +++ b/arch/mips/loongson/common/cs5536/cs5536_acc.c @@ -0,0 +1,140 @@ +/* + * the ACC Virtual Support Module of AMD CS5536 + * + * Copyright (C) 2007 Lemote, Inc. + * Author : jlliu, liujl@lemote.com + * + * Copyright (C) 2009 Lemote, Inc. + * Author: Wu Zhangjin, wuzj@lemote.com + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include <cs5536/cs5536.h> +#include <cs5536/cs5536_pci.h> + +void pci_acc_write_reg(int reg, u32 value) +{ + u32 hi = 0, lo = value; + + switch (reg) { + case PCI_COMMAND: + _rdmsr(GLIU_MSR_REG(GLIU_PAE), &hi, &lo); + if (value & PCI_COMMAND_MASTER) + lo |= (0x03 << 8); + else + lo &= ~(0x03 << 8); + _wrmsr(GLIU_MSR_REG(GLIU_PAE), hi, lo); + break; + case PCI_STATUS: + if (value & PCI_STATUS_PARITY) { + _rdmsr(SB_MSR_REG(SB_ERROR), &hi, &lo); + if (lo & SB_PARE_ERR_FLAG) { + lo = (lo & 0x0000ffff) | SB_PARE_ERR_FLAG; + _wrmsr(SB_MSR_REG(SB_ERROR), hi, lo); + } + } + break; + case PCI_BAR0_REG: + if (value == PCI_BAR_RANGE_MASK) { + _rdmsr(GLCP_MSR_REG(GLCP_SOFT_COM), &hi, &lo); + lo |= SOFT_BAR_ACC_FLAG; + _wrmsr(GLCP_MSR_REG(GLCP_SOFT_COM), hi, lo); + } else if (value & 0x01) { + value &= 0xfffffffc; + hi = 0xA0000000 | ((value & 0x000ff000) >> 12); + lo = 0x000fff80 | ((value & 0x00000fff) << 20); + _wrmsr(GLIU_MSR_REG(GLIU_IOD_BM1), hi, lo); + } + break; + case PCI_ACC_INT_REG: + _rdmsr(DIVIL_MSR_REG(PIC_YSEL_LOW), &hi, &lo); + /* disable all the usb interrupt in PIC */ + lo &= ~(0xf << PIC_YSEL_LOW_ACC_SHIFT); + if (value) /* enable all the acc interrupt in PIC */ + lo |= (CS5536_ACC_INTR << PIC_YSEL_LOW_ACC_SHIFT); + _wrmsr(DIVIL_MSR_REG(PIC_YSEL_LOW), hi, lo); + break; + default: + break; + } +} + +u32 pci_acc_read_reg(int reg) +{ + u32 hi, lo; + u32 conf_data = 0; + + switch (reg) { + case PCI_VENDOR_ID: + conf_data = + CFG_PCI_VENDOR_ID(CS5536_ACC_DEVICE_ID, CS5536_VENDOR_ID); + break; + case PCI_COMMAND: + _rdmsr(GLIU_MSR_REG(GLIU_IOD_BM1), &hi, &lo); + if (((lo & 0xfff00000) || (hi & 0x000000ff)) + && ((hi & 0xf0000000) == 0xa0000000)) + conf_data |= PCI_COMMAND_IO; + _rdmsr(GLIU_MSR_REG(GLIU_PAE), &hi, &lo); + if ((lo & 0x300) == 0x300) + conf_data |= PCI_COMMAND_MASTER; + break; + case PCI_STATUS: + conf_data |= PCI_STATUS_66MHZ; + conf_data |= PCI_STATUS_FAST_BACK; + _rdmsr(SB_MSR_REG(SB_ERROR), &hi, &lo); + if (lo & SB_PARE_ERR_FLAG) + conf_data |= PCI_STATUS_PARITY; + conf_data |= PCI_STATUS_DEVSEL_MEDIUM; + break; + case PCI_CLASS_REVISION: + _rdmsr(ACC_MSR_REG(ACC_CAP), &hi, &lo); + conf_data = lo & 0x000000ff; + conf_data |= (CS5536_ACC_CLASS_CODE << 8); + break; + case PCI_CACHE_LINE_SIZE: + conf_data = + CFG_PCI_CACHE_LINE_SIZE(PCI_NORMAL_HEADER_TYPE, + PCI_NORMAL_LATENCY_TIMER); + break; + case PCI_BAR0_REG: + _rdmsr(GLCP_MSR_REG(GLCP_SOFT_COM), &hi, &lo); + if (lo & SOFT_BAR_ACC_FLAG) { + conf_data = CS5536_ACC_RANGE | + PCI_BASE_ADDRESS_SPACE_IO; + lo &= ~SOFT_BAR_ACC_FLAG; + _wrmsr(GLCP_MSR_REG(GLCP_SOFT_COM), hi, lo); + } else { + _rdmsr(GLIU_MSR_REG(GLIU_IOD_BM1), &hi, &lo); + conf_data = (hi & 0x000000ff) << 12; + conf_data |= (lo & 0xfff00000) >> 20; + conf_data |= 0x01; + conf_data &= ~0x02; + } + break; + case PCI_CARDBUS_CIS: + conf_data = PCI_CARDBUS_CIS_POINTER; + break; + case PCI_SUBSYSTEM_VENDOR_ID: + conf_data = + CFG_PCI_VENDOR_ID(CS5536_ACC_SUB_ID, CS5536_SUB_VENDOR_ID); + break; + case PCI_ROM_ADDRESS: + conf_data = PCI_EXPANSION_ROM_BAR; + break; + case PCI_CAPABILITY_LIST: + conf_data = PCI_CAPLIST_USB_POINTER; + break; + case PCI_INTERRUPT_LINE: + conf_data = + CFG_PCI_INTERRUPT_LINE(PCI_DEFAULT_PIN, CS5536_ACC_INTR); + break; + default: + break; + } + + return conf_data; +} diff --git a/arch/mips/loongson/common/cs5536/cs5536_ehci.c b/arch/mips/loongson/common/cs5536/cs5536_ehci.c new file mode 100644 index 00000000000..74f9c59d36a --- /dev/null +++ b/arch/mips/loongson/common/cs5536/cs5536_ehci.c @@ -0,0 +1,158 @@ +/* + * the EHCI Virtual Support Module of AMD CS5536 + * + * Copyright (C) 2007 Lemote, Inc. + * Author : jlliu, liujl@lemote.com + * + * Copyright (C) 2009 Lemote, Inc. + * Author: Wu Zhangjin, wuzj@lemote.com + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include <cs5536/cs5536.h> +#include <cs5536/cs5536_pci.h> + +void pci_ehci_write_reg(int reg, u32 value) +{ + u32 hi = 0, lo = value; + + switch (reg) { + case PCI_COMMAND: + _rdmsr(USB_MSR_REG(USB_EHCI), &hi, &lo); + if (value & PCI_COMMAND_MASTER) + hi |= PCI_COMMAND_MASTER; + else + hi &= ~PCI_COMMAND_MASTER; + + if (value & PCI_COMMAND_MEMORY) + hi |= PCI_COMMAND_MEMORY; + else + hi &= ~PCI_COMMAND_MEMORY; + _wrmsr(USB_MSR_REG(USB_EHCI), hi, lo); + break; + case PCI_STATUS: + if (value & PCI_STATUS_PARITY) { + _rdmsr(SB_MSR_REG(SB_ERROR), &hi, &lo); + if (lo & SB_PARE_ERR_FLAG) { + lo = (lo & 0x0000ffff) | SB_PARE_ERR_FLAG; + _wrmsr(SB_MSR_REG(SB_ERROR), hi, lo); + } + } + break; + case PCI_BAR0_REG: + if (value == PCI_BAR_RANGE_MASK) { + _rdmsr(GLCP_MSR_REG(GLCP_SOFT_COM), &hi, &lo); + lo |= SOFT_BAR_EHCI_FLAG; + _wrmsr(GLCP_MSR_REG(GLCP_SOFT_COM), hi, lo); + } else if ((value & 0x01) == 0x00) { + _wrmsr(USB_MSR_REG(USB_EHCI), hi, lo); + + value &= 0xfffffff0; + hi = 0x40000000 | ((value & 0xff000000) >> 24); + lo = 0x000fffff | ((value & 0x00fff000) << 8); + _wrmsr(GLIU_MSR_REG(GLIU_P2D_BM4), hi, lo); + } + break; + case PCI_EHCI_LEGSMIEN_REG: + _rdmsr(USB_MSR_REG(USB_EHCI), &hi, &lo); + hi &= 0x003f0000; + hi |= (value & 0x3f) << 16; + _wrmsr(USB_MSR_REG(USB_EHCI), hi, lo); + break; + case PCI_EHCI_FLADJ_REG: + _rdmsr(USB_MSR_REG(USB_EHCI), &hi, &lo); + hi &= ~0x00003f00; + hi |= value & 0x00003f00; + _wrmsr(USB_MSR_REG(USB_EHCI), hi, lo); + break; + default: + break; + } +} + +u32 pci_ehci_read_reg(int reg) +{ + u32 conf_data = 0; + u32 hi, lo; + + switch (reg) { + case PCI_VENDOR_ID: + conf_data = + CFG_PCI_VENDOR_ID(CS5536_EHCI_DEVICE_ID, CS5536_VENDOR_ID); + break; + case PCI_COMMAND: + _rdmsr(USB_MSR_REG(USB_EHCI), &hi, &lo); + if (hi & PCI_COMMAND_MASTER) + conf_data |= PCI_COMMAND_MASTER; + if (hi & PCI_COMMAND_MEMORY) + conf_data |= PCI_COMMAND_MEMORY; + break; + case PCI_STATUS: + conf_data |= PCI_STATUS_66MHZ; + conf_data |= PCI_STATUS_FAST_BACK; + _rdmsr(SB_MSR_REG(SB_ERROR), &hi, &lo); + if (lo & SB_PARE_ERR_FLAG) + conf_data |= PCI_STATUS_PARITY; + conf_data |= PCI_STATUS_DEVSEL_MEDIUM; + break; + case PCI_CLASS_REVISION: + _rdmsr(USB_MSR_REG(USB_CAP), &hi, &lo); + conf_data = lo & 0x000000ff; + conf_data |= (CS5536_EHCI_CLASS_CODE << 8); + break; + case PCI_CACHE_LINE_SIZE: + conf_data = + CFG_PCI_CACHE_LINE_SIZE(PCI_NORMAL_HEADER_TYPE, + PCI_NORMAL_LATENCY_TIMER); + break; + case PCI_BAR0_REG: + _rdmsr(GLCP_MSR_REG(GLCP_SOFT_COM), &hi, &lo); + if (lo & SOFT_BAR_EHCI_FLAG) { + conf_data = CS5536_EHCI_RANGE | + PCI_BASE_ADDRESS_SPACE_MEMORY; + lo &= ~SOFT_BAR_EHCI_FLAG; + _wrmsr(GLCP_MSR_REG(GLCP_SOFT_COM), hi, lo); + } else { + _rdmsr(USB_MSR_REG(USB_EHCI), &hi, &lo); + conf_data = lo & 0xfffff000; + } + break; + case PCI_CARDBUS_CIS: + conf_data = PCI_CARDBUS_CIS_POINTER; + break; + case PCI_SUBSYSTEM_VENDOR_ID: + conf_data = + CFG_PCI_VENDOR_ID(CS5536_EHCI_SUB_ID, CS5536_SUB_VENDOR_ID); + break; + case PCI_ROM_ADDRESS: + conf_data = PCI_EXPANSION_ROM_BAR; + break; + case PCI_CAPABILITY_LIST: + conf_data = PCI_CAPLIST_USB_POINTER; + break; + case PCI_INTERRUPT_LINE: + conf_data = + CFG_PCI_INTERRUPT_LINE(PCI_DEFAULT_PIN, CS5536_USB_INTR); + break; + case PCI_EHCI_LEGSMIEN_REG: + _rdmsr(USB_MSR_REG(USB_EHCI), &hi, &lo); + conf_data = (hi & 0x003f0000) >> 16; + break; + case PCI_EHCI_LEGSMISTS_REG: + _rdmsr(USB_MSR_REG(USB_EHCI), &hi, &lo); + conf_data = (hi & 0x3f000000) >> 24; + break; + case PCI_EHCI_FLADJ_REG: + _rdmsr(USB_MSR_REG(USB_EHCI), &hi, &lo); + conf_data = hi & 0x00003f00; + break; + default: + break; + } + + return conf_data; +} diff --git a/arch/mips/loongson/common/cs5536/cs5536_ide.c b/arch/mips/loongson/common/cs5536/cs5536_ide.c new file mode 100644 index 00000000000..3f61594b388 --- /dev/null +++ b/arch/mips/loongson/common/cs5536/cs5536_ide.c @@ -0,0 +1,179 @@ +/* + * the IDE Virtual Support Module of AMD CS5536 + * + * Copyright (C) 2007 Lemote, Inc. + * Author : jlliu, liujl@lemote.com + * + * Copyright (C) 2009 Lemote, Inc. + * Author: Wu Zhangjin, wuzj@lemote.com + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include <cs5536/cs5536.h> +#include <cs5536/cs5536_pci.h> + +void pci_ide_write_reg(int reg, u32 value) +{ + u32 hi = 0, lo = value; + + switch (reg) { + case PCI_COMMAND: + _rdmsr(GLIU_MSR_REG(GLIU_PAE), &hi, &lo); + if (value & PCI_COMMAND_MASTER) + lo |= (0x03 << 4); + else + lo &= ~(0x03 << 4); + _wrmsr(GLIU_MSR_REG(GLIU_PAE), hi, lo); + break; + case PCI_STATUS: + if (value & PCI_STATUS_PARITY) { + _rdmsr(SB_MSR_REG(SB_ERROR), &hi, &lo); + if (lo & SB_PARE_ERR_FLAG) { + lo = (lo & 0x0000ffff) | SB_PARE_ERR_FLAG; + _wrmsr(SB_MSR_REG(SB_ERROR), hi, lo); + } + } + break; + case PCI_CACHE_LINE_SIZE: + value &= 0x0000ff00; + _rdmsr(SB_MSR_REG(SB_CTRL), &hi, &lo); + hi &= 0xffffff00; + hi |= (value >> 8); + _wrmsr(SB_MSR_REG(SB_CTRL), hi, lo); + break; + case PCI_BAR4_REG: + if (value == PCI_BAR_RANGE_MASK) { + _rdmsr(GLCP_MSR_REG(GLCP_SOFT_COM), &hi, &lo); + lo |= SOFT_BAR_IDE_FLAG; + _wrmsr(GLCP_MSR_REG(GLCP_SOFT_COM), hi, lo); + } else if (value & 0x01) { + lo = (value & 0xfffffff0) | 0x1; + _wrmsr(IDE_MSR_REG(IDE_IO_BAR), hi, lo); + + value &= 0xfffffffc; + hi = 0x60000000 | ((value & 0x000ff000) >> 12); + lo = 0x000ffff0 | ((value & 0x00000fff) << 20); + _wrmsr(GLIU_MSR_REG(GLIU_IOD_BM2), hi, lo); + } + break; + case PCI_IDE_CFG_REG: + if (value == CS5536_IDE_FLASH_SIGNATURE) { + _rdmsr(DIVIL_MSR_REG(DIVIL_BALL_OPTS), &hi, &lo); + lo |= 0x01; + _wrmsr(DIVIL_MSR_REG(DIVIL_BALL_OPTS), hi, lo); + } else + _wrmsr(IDE_MSR_REG(IDE_CFG), hi, lo); + break; + case PCI_IDE_DTC_REG: + _wrmsr(IDE_MSR_REG(IDE_DTC), hi, lo); + break; + case PCI_IDE_CAST_REG: + _wrmsr(IDE_MSR_REG(IDE_CAST), hi, lo); + break; + case PCI_IDE_ETC_REG: + _wrmsr(IDE_MSR_REG(IDE_ETC), hi, lo); + break; + case PCI_IDE_PM_REG: + _wrmsr(IDE_MSR_REG(IDE_INTERNAL_PM), hi, lo); + break; + default: + break; + } +} + +u32 pci_ide_read_reg(int reg) +{ + u32 conf_data = 0; + u32 hi, lo; + + switch (reg) { + case PCI_VENDOR_ID: + conf_data = + CFG_PCI_VENDOR_ID(CS5536_IDE_DEVICE_ID, CS5536_VENDOR_ID); + break; + case PCI_COMMAND: + _rdmsr(IDE_MSR_REG(IDE_IO_BAR), &hi, &lo); + if (lo & 0xfffffff0) + conf_data |= PCI_COMMAND_IO; + _rdmsr(GLIU_MSR_REG(GLIU_PAE), &hi, &lo); + if ((lo & 0x30) == 0x30) + conf_data |= PCI_COMMAND_MASTER; + break; + case PCI_STATUS: + conf_data |= PCI_STATUS_66MHZ; + conf_data |= PCI_STATUS_FAST_BACK; + _rdmsr(SB_MSR_REG(SB_ERROR), &hi, &lo); + if (lo & SB_PARE_ERR_FLAG) + conf_data |= PCI_STATUS_PARITY; + conf_data |= PCI_STATUS_DEVSEL_MEDIUM; + break; + case PCI_CLASS_REVISION: + _rdmsr(IDE_MSR_REG(IDE_CAP), &hi, &lo); + conf_data = lo & 0x000000ff; + conf_data |= (CS5536_IDE_CLASS_CODE << 8); + break; + case PCI_CACHE_LINE_SIZE: + _rdmsr(SB_MSR_REG(SB_CTRL), &hi, &lo); + hi &= 0x000000f8; + conf_data = CFG_PCI_CACHE_LINE_SIZE(PCI_NORMAL_HEADER_TYPE, hi); + break; + case PCI_BAR4_REG: + _rdmsr(GLCP_MSR_REG(GLCP_SOFT_COM), &hi, &lo); + if (lo & SOFT_BAR_IDE_FLAG) { + conf_data = CS5536_IDE_RANGE | + PCI_BASE_ADDRESS_SPACE_IO; + lo &= ~SOFT_BAR_IDE_FLAG; + _wrmsr(GLCP_MSR_REG(GLCP_SOFT_COM), hi, lo); + } else { + _rdmsr(IDE_MSR_REG(IDE_IO_BAR), &hi, &lo); + conf_data = lo & 0xfffffff0; + conf_data |= 0x01; + conf_data &= ~0x02; + } + break; + case PCI_CARDBUS_CIS: + conf_data = PCI_CARDBUS_CIS_POINTER; + break; + case PCI_SUBSYSTEM_VENDOR_ID: + conf_data = + CFG_PCI_VENDOR_ID(CS5536_IDE_SUB_ID, CS5536_SUB_VENDOR_ID); + break; + case PCI_ROM_ADDRESS: + conf_data = PCI_EXPANSION_ROM_BAR; + break; + case PCI_CAPABILITY_LIST: + conf_data = PCI_CAPLIST_POINTER; + break; + case PCI_INTERRUPT_LINE: + conf_data = + CFG_PCI_INTERRUPT_LINE(PCI_DEFAULT_PIN, CS5536_IDE_INTR); + break; + case PCI_IDE_CFG_REG: + _rdmsr(IDE_MSR_REG(IDE_CFG), &hi, &lo); + conf_data = lo; + break; + case PCI_IDE_DTC_REG: + _rdmsr(IDE_MSR_REG(IDE_DTC), &hi, &lo); + conf_data = lo; + break; + case PCI_IDE_CAST_REG: + _rdmsr(IDE_MSR_REG(IDE_CAST), &hi, &lo); + conf_data = lo; + break; + case PCI_IDE_ETC_REG: + _rdmsr(IDE_MSR_REG(IDE_ETC), &hi, &lo); + conf_data = lo; + case PCI_IDE_PM_REG: + _rdmsr(IDE_MSR_REG(IDE_INTERNAL_PM), &hi, &lo); + conf_data = lo; + break; + default: + break; + } + + return conf_data; +} diff --git a/arch/mips/loongson/common/cs5536/cs5536_isa.c b/arch/mips/loongson/common/cs5536/cs5536_isa.c new file mode 100644 index 00000000000..b6f17f538e4 --- /dev/null +++ b/arch/mips/loongson/common/cs5536/cs5536_isa.c @@ -0,0 +1,316 @@ +/* + * the ISA Virtual Support Module of AMD CS5536 + * + * Copyright (C) 2007 Lemote, Inc. + * Author : jlliu, liujl@lemote.com + * + * Copyright (C) 2009 Lemote, Inc. + * Author: Wu Zhangjin, wuzj@lemote.com + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include <cs5536/cs5536.h> +#include <cs5536/cs5536_pci.h> + +/* common variables for PCI_ISA_READ/WRITE_BAR */ +static const u32 divil_msr_reg[6] = { + DIVIL_MSR_REG(DIVIL_LBAR_SMB), DIVIL_MSR_REG(DIVIL_LBAR_GPIO), + DIVIL_MSR_REG(DIVIL_LBAR_MFGPT), DIVIL_MSR_REG(DIVIL_LBAR_IRQ), + DIVIL_MSR_REG(DIVIL_LBAR_PMS), DIVIL_MSR_REG(DIVIL_LBAR_ACPI), +}; + +static const u32 soft_bar_flag[6] = { + SOFT_BAR_SMB_FLAG, SOFT_BAR_GPIO_FLAG, SOFT_BAR_MFGPT_FLAG, + SOFT_BAR_IRQ_FLAG, SOFT_BAR_PMS_FLAG, SOFT_BAR_ACPI_FLAG, +}; + +static const u32 sb_msr_reg[6] = { + SB_MSR_REG(SB_R0), SB_MSR_REG(SB_R1), SB_MSR_REG(SB_R2), + SB_MSR_REG(SB_R3), SB_MSR_REG(SB_R4), SB_MSR_REG(SB_R5), +}; + +static const u32 bar_space_range[6] = { + CS5536_SMB_RANGE, CS5536_GPIO_RANGE, CS5536_MFGPT_RANGE, + CS5536_IRQ_RANGE, CS5536_PMS_RANGE, CS5536_ACPI_RANGE, +}; + +static const int bar_space_len[6] = { + CS5536_SMB_LENGTH, CS5536_GPIO_LENGTH, CS5536_MFGPT_LENGTH, + CS5536_IRQ_LENGTH, CS5536_PMS_LENGTH, CS5536_ACPI_LENGTH, +}; + +/* + * enable the divil module bar space. + * + * For all the DIVIL module LBAR, you should control the DIVIL LBAR reg + * and the RCONFx(0~5) reg to use the modules. + */ +static void divil_lbar_enable(void) +{ + u32 hi, lo; + int offset; + + /* + * The DIVIL IRQ is not used yet. and make the RCONF0 reserved. + */ + + for (offset = DIVIL_LBAR_SMB; offset <= DIVIL_LBAR_PMS; offset++) { + _rdmsr(DIVIL_MSR_REG(offset), &hi, &lo); + hi |= 0x01; + _wrmsr(DIVIL_MSR_REG(DIVIL_LBAR_SMB), hi, lo); + } +} + +/* + * disable the divil module bar space. + */ +static void divil_lbar_disable(void) +{ + u32 hi, lo; + int offset; + + for (offset = DIVIL_LBAR_SMB; offset <= DIVIL_LBAR_PMS; offset++) { + _rdmsr(DIVIL_MSR_REG(offset), &hi, &lo); + hi &= ~0x01; + _wrmsr(DIVIL_MSR_REG(DIVIL_LBAR_SMB), hi, lo); + } +} + +/* + * BAR write: write value to the n BAR + */ + +void pci_isa_write_bar(int n, u32 value) +{ + u32 hi = 0, lo = value; + + if (value == PCI_BAR_RANGE_MASK) { + _rdmsr(GLCP_MSR_REG(GLCP_SOFT_COM), &hi, &lo); + lo |= soft_bar_flag[n]; + _wrmsr(GLCP_MSR_REG(GLCP_SOFT_COM), hi, lo); + } else if (value & 0x01) { + /* NATIVE reg */ + hi = 0x0000f001; + lo &= bar_space_range[n]; + _wrmsr(divil_msr_reg[n], hi, lo); + + /* RCONFx is 4bytes in units for I/O space */ + hi = ((value & 0x000ffffc) << 12) | + ((bar_space_len[n] - 4) << 12) | 0x01; + lo = ((value & 0x000ffffc) << 12) | 0x01; + _wrmsr(sb_msr_reg[n], hi, lo); + } +} + +/* + * BAR read: read the n BAR + */ + +u32 pci_isa_read_bar(int n) +{ + u32 conf_data = 0; + u32 hi, lo; + + _rdmsr(GLCP_MSR_REG(GLCP_SOFT_COM), &hi, &lo); + if (lo & soft_bar_flag[n]) { + conf_data = bar_space_range[n] | PCI_BASE_ADDRESS_SPACE_IO; + lo &= ~soft_bar_flag[n]; + _wrmsr(GLCP_MSR_REG(GLCP_SOFT_COM), hi, lo); + } else { + _rdmsr(divil_msr_reg[n], &hi, &lo); + conf_data = lo & bar_space_range[n]; + conf_data |= 0x01; + conf_data &= ~0x02; + } + return conf_data; +} + +/* + * isa_write: ISA write transfer + * + * We assume that this is not a bus master transfer. + */ +void pci_isa_write_reg(int reg, u32 value) +{ + u32 hi = 0, lo = value; + u32 temp; + + switch (reg) { + case PCI_COMMAND: + if (value & PCI_COMMAND_IO) + divil_lbar_enable(); + else + divil_lbar_disable(); + break; + case PCI_STATUS: + _rdmsr(SB_MSR_REG(SB_ERROR), &hi, &lo); + temp = lo & 0x0000ffff; + if ((value & PCI_STATUS_SIG_TARGET_ABORT) && + (lo & SB_TAS_ERR_EN)) + temp |= SB_TAS_ERR_FLAG; + + if ((value & PCI_STATUS_REC_TARGET_ABORT) && + (lo & SB_TAR_ERR_EN)) + temp |= SB_TAR_ERR_FLAG; + + if ((value & PCI_STATUS_REC_MASTER_ABORT) + && (lo & SB_MAR_ERR_EN)) + temp |= SB_MAR_ERR_FLAG; + + if ((value & PCI_STATUS_DETECTED_PARITY) + && (lo & SB_PARE_ERR_EN)) + temp |= SB_PARE_ERR_FLAG; + + lo = temp; + _wrmsr(SB_MSR_REG(SB_ERROR), hi, lo); + break; + case PCI_CACHE_LINE_SIZE: + value &= 0x0000ff00; + _rdmsr(SB_MSR_REG(SB_CTRL), &hi, &lo); + hi &= 0xffffff00; + hi |= (value >> 8); + _wrmsr(SB_MSR_REG(SB_CTRL), hi, lo); + break; + case PCI_BAR0_REG: + pci_isa_write_bar(0, value); + break; + case PCI_BAR1_REG: + pci_isa_write_bar(1, value); + break; + case PCI_BAR2_REG: + pci_isa_write_bar(2, value); + break; + case PCI_BAR3_REG: + pci_isa_write_bar(3, value); + break; + case PCI_BAR4_REG: + pci_isa_write_bar(4, value); + break; + case PCI_BAR5_REG: + pci_isa_write_bar(5, value); + break; + case PCI_UART1_INT_REG: + _rdmsr(DIVIL_MSR_REG(PIC_YSEL_HIGH), &hi, &lo); + /* disable uart1 interrupt in PIC */ + lo &= ~(0xf << 24); + if (value) /* enable uart1 interrupt in PIC */ + lo |= (CS5536_UART1_INTR << 24); + _wrmsr(DIVIL_MSR_REG(PIC_YSEL_HIGH), hi, lo); + break; + case PCI_UART2_INT_REG: + _rdmsr(DIVIL_MSR_REG(PIC_YSEL_HIGH), &hi, &lo); + /* disable uart2 interrupt in PIC */ + lo &= ~(0xf << 28); + if (value) /* enable uart2 interrupt in PIC */ + lo |= (CS5536_UART2_INTR << 28); + _wrmsr(DIVIL_MSR_REG(PIC_YSEL_HIGH), hi, lo); + break; + case PCI_ISA_FIXUP_REG: + if (value) { + /* enable the TARGET ABORT/MASTER ABORT etc. */ + _rdmsr(SB_MSR_REG(SB_ERROR), &hi, &lo); + lo |= 0x00000063; + _wrmsr(SB_MSR_REG(SB_ERROR), hi, lo); + } + + default: + /* ALL OTHER PCI CONFIG SPACE HEADER IS NOT IMPLEMENTED. */ + break; + } +} + +/* + * isa_read: ISA read transfers + * + * We assume that this is not a bus master transfer. + */ +u32 pci_isa_read_reg(int reg) +{ + u32 conf_data = 0; + u32 hi, lo; + + switch (reg) { + case PCI_VENDOR_ID: + conf_data = + CFG_PCI_VENDOR_ID(CS5536_ISA_DEVICE_ID, CS5536_VENDOR_ID); + break; + case PCI_COMMAND: + /* we just check the first LBAR for the IO enable bit, */ + /* maybe we should changed later. */ + _rdmsr(DIVIL_MSR_REG(DIVIL_LBAR_SMB), &hi, &lo); + if (hi & 0x01) + conf_data |= PCI_COMMAND_IO; + break; + case PCI_STATUS: + conf_data |= PCI_STATUS_66MHZ; + conf_data |= PCI_STATUS_DEVSEL_MEDIUM; + conf_data |= PCI_STATUS_FAST_BACK; + + _rdmsr(SB_MSR_REG(SB_ERROR), &hi, &lo); + if (lo & SB_TAS_ERR_FLAG) + conf_data |= PCI_STATUS_SIG_TARGET_ABORT; + if (lo & SB_TAR_ERR_FLAG) + conf_data |= PCI_STATUS_REC_TARGET_ABORT; + if (lo & SB_MAR_ERR_FLAG) + conf_data |= PCI_STATUS_REC_MASTER_ABORT; + if (lo & SB_PARE_ERR_FLAG) + conf_data |= PCI_STATUS_DETECTED_PARITY; + break; + case PCI_CLASS_REVISION: + _rdmsr(GLCP_MSR_REG(GLCP_CHIP_REV_ID), &hi, &lo); + conf_data = lo & 0x000000ff; + conf_data |= (CS5536_ISA_CLASS_CODE << 8); + break; + case PCI_CACHE_LINE_SIZE: + _rdmsr(SB_MSR_REG(SB_CTRL), &hi, &lo); + hi &= 0x000000f8; + conf_data = CFG_PCI_CACHE_LINE_SIZE(PCI_BRIDGE_HEADER_TYPE, hi); + break; + /* + * we only use the LBAR of DIVIL, no RCONF used. + * all of them are IO space. + */ + case PCI_BAR0_REG: + return pci_isa_read_bar(0); + break; + case PCI_BAR1_REG: + return pci_isa_read_bar(1); + break; + case PCI_BAR2_REG: + return pci_isa_read_bar(2); + break; + case PCI_BAR3_REG: + break; + case PCI_BAR4_REG: + return pci_isa_read_bar(4); + break; + case PCI_BAR5_REG: + return pci_isa_read_bar(5); + break; + case PCI_CARDBUS_CIS: + conf_data = PCI_CARDBUS_CIS_POINTER; + break; + case PCI_SUBSYSTEM_VENDOR_ID: + conf_data = + CFG_PCI_VENDOR_ID(CS5536_ISA_SUB_ID, CS5536_SUB_VENDOR_ID); + break; + case PCI_ROM_ADDRESS: + conf_data = PCI_EXPANSION_ROM_BAR; + break; + case PCI_CAPABILITY_LIST: + conf_data = PCI_CAPLIST_POINTER; + break; + case PCI_INTERRUPT_LINE: + /* no interrupt used here */ + conf_data = CFG_PCI_INTERRUPT_LINE(0x00, 0x00); + break; + default: + break; + } + + return conf_data; +} diff --git a/arch/mips/loongson/common/cs5536/cs5536_mfgpt.c b/arch/mips/loongson/common/cs5536/cs5536_mfgpt.c new file mode 100644 index 00000000000..6cb44dbaeec --- /dev/null +++ b/arch/mips/loongson/common/cs5536/cs5536_mfgpt.c @@ -0,0 +1,217 @@ +/* + * CS5536 General timer functions + * + * Copyright (C) 2007 Lemote Inc. & Insititute of Computing Technology + * Author: Yanhua, yanh@lemote.com + * + * Copyright (C) 2009 Lemote Inc. + * Author: Wu zhangjin, wuzj@lemote.com + * + * Reference: AMD Geode(TM) CS5536 Companion Device Data Book + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include <linux/io.h> +#include <linux/init.h> +#include <linux/module.h> +#include <linux/jiffies.h> +#include <linux/spinlock.h> +#include <linux/interrupt.h> +#include <linux/clockchips.h> + +#include <asm/time.h> + +#include <cs5536/cs5536_mfgpt.h> + +DEFINE_SPINLOCK(mfgpt_lock); +EXPORT_SYMBOL(mfgpt_lock); + +static u32 mfgpt_base; + +/* + * Initialize the MFGPT timer. + * + * This is also called after resume to bring the MFGPT into operation again. + */ + +/* disable counter */ +void disable_mfgpt0_counter(void) +{ + outw(inw(MFGPT0_SETUP) & 0x7fff, MFGPT0_SETUP); +} +EXPORT_SYMBOL(disable_mfgpt0_counter); + +/* enable counter, comparator2 to event mode, 14.318MHz clock */ +void enable_mfgpt0_counter(void) +{ + outw(0xe310, MFGPT0_SETUP); +} +EXPORT_SYMBOL(enable_mfgpt0_counter); + +static void init_mfgpt_timer(enum clock_event_mode mode, + struct clock_event_device *evt) +{ + spin_lock(&mfgpt_lock); + + switch (mode) { + case CLOCK_EVT_MODE_PERIODIC: + outw(COMPARE, MFGPT0_CMP2); /* set comparator2 */ + outw(0, MFGPT0_CNT); /* set counter to 0 */ + enable_mfgpt0_counter(); + break; + + case CLOCK_EVT_MODE_SHUTDOWN: + case CLOCK_EVT_MODE_UNUSED: + if (evt->mode == CLOCK_EVT_MODE_PERIODIC || + evt->mode == CLOCK_EVT_MODE_ONESHOT) + disable_mfgpt0_counter(); + break; + + case CLOCK_EVT_MODE_ONESHOT: + /* The oneshot mode have very high deviation, Not use it! */ + break; + + case CLOCK_EVT_MODE_RESUME: + /* Nothing to do here */ + break; + } + spin_unlock(&mfgpt_lock); +} + +static struct clock_event_device mfgpt_clockevent = { + .name = "mfgpt", + .features = CLOCK_EVT_FEAT_PERIODIC, + .set_mode = init_mfgpt_timer, + .irq = CS5536_MFGPT_INTR, +}; + +static irqreturn_t timer_interrupt(int irq, void *dev_id) +{ + u32 basehi; + + /* + * get MFGPT base address + * + * NOTE: do not remove me, it's need for the value of mfgpt_base is + * variable + */ + _rdmsr(DIVIL_MSR_REG(DIVIL_LBAR_MFGPT), &basehi, &mfgpt_base); + + /* ack */ + outw(inw(MFGPT0_SETUP) | 0x4000, MFGPT0_SETUP); + + mfgpt_clockevent.event_handler(&mfgpt_clockevent); + + return IRQ_HANDLED; +} + +static struct irqaction irq5 = { + .handler = timer_interrupt, + .flags = IRQF_DISABLED | IRQF_NOBALANCING | IRQF_TIMER, + .name = "timer" +}; + +/* + * Initialize the conversion factor and the min/max deltas of the clock event + * structure and register the clock event source with the framework. + */ +void __init setup_mfgpt0_timer(void) +{ + u32 basehi; + struct clock_event_device *cd = &mfgpt_clockevent; + unsigned int cpu = smp_processor_id(); + + cd->cpumask = cpumask_of(cpu); + clockevent_set_clock(cd, MFGPT_TICK_RATE); + cd->max_delta_ns = clockevent_delta2ns(0xffff, cd); + cd->min_delta_ns = clockevent_delta2ns(0xf, cd); + + /* Enable MFGPT0 Comparator 2 Output to the Interrupt Mapper */ + _wrmsr(DIVIL_MSR_REG(MFGPT_IRQ), 0, 0x100); + + /* Enable Interrupt Gate 5 */ + _wrmsr(DIVIL_MSR_REG(PIC_ZSEL_LOW), 0, 0x50000); + + /* get MFGPT base address */ + _rdmsr(DIVIL_MSR_REG(DIVIL_LBAR_MFGPT), &basehi, &mfgpt_base); + + clockevents_register_device(cd); + + setup_irq(CS5536_MFGPT_INTR, &irq5); +} + +/* + * Since the MFGPT overflows every tick, its not very useful + * to just read by itself. So use jiffies to emulate a free + * running counter: + */ +static cycle_t mfgpt_read(struct clocksource *cs) +{ + unsigned long flags; + int count; + u32 jifs; + static int old_count; + static u32 old_jifs; + + spin_lock_irqsave(&mfgpt_lock, flags); + /* + * Although our caller may have the read side of xtime_lock, + * this is now a seqlock, and we are cheating in this routine + * by having side effects on state that we cannot undo if + * there is a collision on the seqlock and our caller has to + * retry. (Namely, old_jifs and old_count.) So we must treat + * jiffies as volatile despite the lock. We read jiffies + * before latching the timer count to guarantee that although + * the jiffies value might be older than the count (that is, + * the counter may underflow between the last point where + * jiffies was incremented and the point where we latch the + * count), it cannot be newer. + */ + jifs = jiffies; + /* read the count */ + count = inw(MFGPT0_CNT); + + /* + * It's possible for count to appear to go the wrong way for this + * reason: + * + * The timer counter underflows, but we haven't handled the resulting + * interrupt and incremented jiffies yet. + * + * Previous attempts to handle these cases intelligently were buggy, so + * we just do the simple thing now. + */ + if (count < old_count && jifs == old_jifs) + count = old_count; + + old_count = count; + old_jifs = jifs; + + spin_unlock_irqrestore(&mfgpt_lock, flags); + + return (cycle_t) (jifs * COMPARE) + count; +} + +static struct clocksource clocksource_mfgpt = { + .name = "mfgpt", + .rating = 120, /* Functional for real use, but not desired */ + .read = mfgpt_read, + .mask = CLOCKSOURCE_MASK(32), + .mult = 0, + .shift = 22, +}; + +int __init init_mfgpt_clocksource(void) +{ + if (num_possible_cpus() > 1) /* MFGPT does not scale! */ + return 0; + + clocksource_mfgpt.mult = clocksource_hz2mult(MFGPT_TICK_RATE, 22); + return clocksource_register(&clocksource_mfgpt); +} + +arch_initcall(init_mfgpt_clocksource); diff --git a/arch/mips/loongson/common/cs5536/cs5536_ohci.c b/arch/mips/loongson/common/cs5536/cs5536_ohci.c new file mode 100644 index 00000000000..8fdb02b6e90 --- /dev/null +++ b/arch/mips/loongson/common/cs5536/cs5536_ohci.c @@ -0,0 +1,147 @@ +/* + * the OHCI Virtual Support Module of AMD CS5536 + * + * Copyright (C) 2007 Lemote, Inc. + * Author : jlliu, liujl@lemote.com + * + * Copyright (C) 2009 Lemote, Inc. + * Author: Wu Zhangjin, wuzj@lemote.com + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include <cs5536/cs5536.h> +#include <cs5536/cs5536_pci.h> + +void pci_ohci_write_reg(int reg, u32 value) +{ + u32 hi = 0, lo = value; + + switch (reg) { + case PCI_COMMAND: + _rdmsr(USB_MSR_REG(USB_OHCI), &hi, &lo); + if (value & PCI_COMMAND_MASTER) + hi |= PCI_COMMAND_MASTER; + else + hi &= ~PCI_COMMAND_MASTER; + + if (value & PCI_COMMAND_MEMORY) + hi |= PCI_COMMAND_MEMORY; + else + hi &= ~PCI_COMMAND_MEMORY; + _wrmsr(USB_MSR_REG(USB_OHCI), hi, lo); + break; + case PCI_STATUS: + if (value & PCI_STATUS_PARITY) { + _rdmsr(SB_MSR_REG(SB_ERROR), &hi, &lo); + if (lo & SB_PARE_ERR_FLAG) { + lo = (lo & 0x0000ffff) | SB_PARE_ERR_FLAG; + _wrmsr(SB_MSR_REG(SB_ERROR), hi, lo); + } + } + break; + case PCI_BAR0_REG: + if (value == PCI_BAR_RANGE_MASK) { + _rdmsr(GLCP_MSR_REG(GLCP_SOFT_COM), &hi, &lo); + lo |= SOFT_BAR_OHCI_FLAG; + _wrmsr(GLCP_MSR_REG(GLCP_SOFT_COM), hi, lo); + } else if ((value & 0x01) == 0x00) { + _wrmsr(USB_MSR_REG(USB_OHCI), hi, lo); + + value &= 0xfffffff0; + hi = 0x40000000 | ((value & 0xff000000) >> 24); + lo = 0x000fffff | ((value & 0x00fff000) << 8); + _wrmsr(GLIU_MSR_REG(GLIU_P2D_BM3), hi, lo); + } + break; + case PCI_OHCI_INT_REG: + _rdmsr(DIVIL_MSR_REG(PIC_YSEL_LOW), &hi, &lo); + lo &= ~(0xf << PIC_YSEL_LOW_USB_SHIFT); + if (value) /* enable all the usb interrupt in PIC */ + lo |= (CS5536_USB_INTR << PIC_YSEL_LOW_USB_SHIFT); + _wrmsr(DIVIL_MSR_REG(PIC_YSEL_LOW), hi, lo); + break; + default: + break; + } +} + +u32 pci_ohci_read_reg(int reg) +{ + u32 conf_data = 0; + u32 hi, lo; + + switch (reg) { + case PCI_VENDOR_ID: + conf_data = + CFG_PCI_VENDOR_ID(CS5536_OHCI_DEVICE_ID, CS5536_VENDOR_ID); + break; + case PCI_COMMAND: + _rdmsr(USB_MSR_REG(USB_OHCI), &hi, &lo); + if (hi & PCI_COMMAND_MASTER) + conf_data |= PCI_COMMAND_MASTER; + if (hi & PCI_COMMAND_MEMORY) + conf_data |= PCI_COMMAND_MEMORY; + break; + case PCI_STATUS: + conf_data |= PCI_STATUS_66MHZ; + conf_data |= PCI_STATUS_FAST_BACK; + _rdmsr(SB_MSR_REG(SB_ERROR), &hi, &lo); + if (lo & SB_PARE_ERR_FLAG) + conf_data |= PCI_STATUS_PARITY; + conf_data |= PCI_STATUS_DEVSEL_MEDIUM; + break; + case PCI_CLASS_REVISION: + _rdmsr(USB_MSR_REG(USB_CAP), &hi, &lo); + conf_data = lo & 0x000000ff; + conf_data |= (CS5536_OHCI_CLASS_CODE << 8); + break; + case PCI_CACHE_LINE_SIZE: + conf_data = + CFG_PCI_CACHE_LINE_SIZE(PCI_NORMAL_HEADER_TYPE, + PCI_NORMAL_LATENCY_TIMER); + break; + case PCI_BAR0_REG: + _rdmsr(GLCP_MSR_REG(GLCP_SOFT_COM), &hi, &lo); + if (lo & SOFT_BAR_OHCI_FLAG) { + conf_data = CS5536_OHCI_RANGE | + PCI_BASE_ADDRESS_SPACE_MEMORY; + lo &= ~SOFT_BAR_OHCI_FLAG; + _wrmsr(GLCP_MSR_REG(GLCP_SOFT_COM), hi, lo); + } else { + _rdmsr(USB_MSR_REG(USB_OHCI), &hi, &lo); + conf_data = lo & 0xffffff00; + conf_data &= ~0x0000000f; /* 32bit mem */ + } + break; + case PCI_CARDBUS_CIS: + conf_data = PCI_CARDBUS_CIS_POINTER; + break; + case PCI_SUBSYSTEM_VENDOR_ID: + conf_data = + CFG_PCI_VENDOR_ID(CS5536_OHCI_SUB_ID, CS5536_SUB_VENDOR_ID); + break; + case PCI_ROM_ADDRESS: + conf_data = PCI_EXPANSION_ROM_BAR; + break; + case PCI_CAPABILITY_LIST: + conf_data = PCI_CAPLIST_USB_POINTER; + break; + case PCI_INTERRUPT_LINE: + conf_data = + CFG_PCI_INTERRUPT_LINE(PCI_DEFAULT_PIN, CS5536_USB_INTR); + break; + case PCI_OHCI_INT_REG: + _rdmsr(DIVIL_MSR_REG(PIC_YSEL_LOW), &hi, &lo); + if ((lo & 0x00000f00) == CS5536_USB_INTR) + conf_data = 1; + break; + default: + break; + } + + return conf_data; +} diff --git a/arch/mips/loongson/common/cs5536/cs5536_pci.c b/arch/mips/loongson/common/cs5536/cs5536_pci.c new file mode 100644 index 00000000000..e23f3d7d2c1 --- /dev/null +++ b/arch/mips/loongson/common/cs5536/cs5536_pci.c @@ -0,0 +1,87 @@ +/* + * read/write operation to the PCI config space of CS5536 + * + * Copyright (C) 2007 Lemote, Inc. + * Author : jlliu, liujl@lemote.com + * + * Copyright (C) 2009 Lemote, Inc. + * Author: Wu Zhangjin, wuzj@lemote.com + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * the Virtual Support Module(VSM) for virtulizing the PCI + * configure space are defined in cs5536_modulename.c respectively, + * + * after this virtulizing, user can access the PCI configure space + * directly as a normal multi-function PCI device which follows + * the PCI-2.2 spec. + */ + +#include <linux/types.h> +#include <cs5536/cs5536_vsm.h> + +enum { + CS5536_FUNC_START = -1, + CS5536_ISA_FUNC, + reserved_func, + CS5536_IDE_FUNC, + CS5536_ACC_FUNC, + CS5536_OHCI_FUNC, + CS5536_EHCI_FUNC, + CS5536_FUNC_END, +}; + +static const cs5536_pci_vsm_write vsm_conf_write[] = { + [CS5536_ISA_FUNC] pci_isa_write_reg, + [reserved_func] NULL, + [CS5536_IDE_FUNC] pci_ide_write_reg, + [CS5536_ACC_FUNC] pci_acc_write_reg, + [CS5536_OHCI_FUNC] pci_ohci_write_reg, + [CS5536_EHCI_FUNC] pci_ehci_write_reg, +}; + +static const cs5536_pci_vsm_read vsm_conf_read[] = { + [CS5536_ISA_FUNC] pci_isa_read_reg, + [reserved_func] NULL, + [CS5536_IDE_FUNC] pci_ide_read_reg, + [CS5536_ACC_FUNC] pci_acc_read_reg, + [CS5536_OHCI_FUNC] pci_ohci_read_reg, + [CS5536_EHCI_FUNC] pci_ehci_read_reg, +}; + +/* + * write to PCI config space and transfer it to MSR write. + */ +void cs5536_pci_conf_write4(int function, int reg, u32 value) +{ + if ((function <= CS5536_FUNC_START) || (function >= CS5536_FUNC_END)) + return; + if ((reg < 0) || (reg > 0x100) || ((reg & 0x03) != 0)) + return; + + if (vsm_conf_write[function] != NULL) + vsm_conf_write[function](reg, value); +} + +/* + * read PCI config space and transfer it to MSR access. + */ +u32 cs5536_pci_conf_read4(int function, int reg) +{ + u32 data = 0; + + if ((function <= CS5536_FUNC_START) || (function >= CS5536_FUNC_END)) + return 0; + if ((reg < 0) || ((reg & 0x03) != 0)) + return 0; + if (reg > 0x100) + return 0xffffffff; + + if (vsm_conf_read[function] != NULL) + data = vsm_conf_read[function](reg); + + return data; +} diff --git a/arch/mips/loongson/common/early_printk.c b/arch/mips/loongson/common/early_printk.c index bc73edc0cfd..23e7a8f8897 100644 --- a/arch/mips/loongson/common/early_printk.c +++ b/arch/mips/loongson/common/early_printk.c @@ -1,7 +1,7 @@ /* early printk support * * Copyright (c) 2009 Philippe Vachon <philippe@cowpig.ca> - * Copyright (C) 2009 Lemote Inc. & Insititute of Computing Technology + * Copyright (c) 2009 Lemote Inc. * Author: Wu Zhangjin, wuzj@lemote.com * * This program is free software; you can redistribute it and/or modify it @@ -12,26 +12,29 @@ #include <linux/serial_reg.h> #include <loongson.h> -#include <machine.h> #define PORT(base, offset) (u8 *)(base + offset) -static inline unsigned int serial_in(phys_addr_t base, int offset) +static inline unsigned int serial_in(unsigned char *base, int offset) { return readb(PORT(base, offset)); } -static inline void serial_out(phys_addr_t base, int offset, int value) +static inline void serial_out(unsigned char *base, int offset, int value) { writeb(value, PORT(base, offset)); } void prom_putchar(char c) { - phys_addr_t uart_base = - (phys_addr_t) ioremap_nocache(LOONGSON_UART_BASE, 8); + int timeout; + unsigned char *uart_base; - while ((serial_in(uart_base, UART_LSR) & UART_LSR_THRE) == 0) + uart_base = (unsigned char *)_loongson_uart_base; + timeout = 1024; + + while (((serial_in(uart_base, UART_LSR) & UART_LSR_THRE) == 0) && + (timeout-- > 0)) ; serial_out(uart_base, UART_TX, c); diff --git a/arch/mips/loongson/common/env.c b/arch/mips/loongson/common/env.c index b9ef5038554..196d947d929 100644 --- a/arch/mips/loongson/common/env.c +++ b/arch/mips/loongson/common/env.c @@ -17,11 +17,14 @@ * Free Software Foundation; either version 2 of the License, or (at your * option) any later version. */ +#include <linux/module.h> + #include <asm/bootinfo.h> #include <loongson.h> unsigned long bus_clock, cpu_clock_freq; +EXPORT_SYMBOL(cpu_clock_freq); unsigned long memsize, highmemsize; /* pmon passes arguments in 32bit pointers */ diff --git a/arch/mips/loongson/common/init.c b/arch/mips/loongson/common/init.c index 3abe927422a..a2abd935573 100644 --- a/arch/mips/loongson/common/init.c +++ b/arch/mips/loongson/common/init.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2009 Lemote Inc. & Insititute of Computing Technology + * Copyright (C) 2009 Lemote Inc. * Author: Wu Zhangjin, wuzj@lemote.com * * This program is free software; you can redistribute it and/or modify it @@ -10,19 +10,28 @@ #include <linux/bootmem.h> -#include <asm/bootinfo.h> - #include <loongson.h> +/* Loongson CPU address windows config space base address */ +unsigned long __maybe_unused _loongson_addrwincfg_base; + void __init prom_init(void) { - /* init base address of io space */ + /* init base address of io space */ set_io_port_base((unsigned long) - ioremap(BONITO_PCIIO_BASE, BONITO_PCIIO_SIZE)); + ioremap(LOONGSON_PCIIO_BASE, LOONGSON_PCIIO_SIZE)); + +#ifdef CONFIG_CPU_SUPPORTS_ADDRWINCFG + _loongson_addrwincfg_base = (unsigned long) + ioremap(LOONGSON_ADDRWINCFG_BASE, LOONGSON_ADDRWINCFG_SIZE); +#endif prom_init_cmdline(); prom_init_env(); prom_init_memory(); + + /*init the uart base address */ + prom_init_uart_base(); } void __init prom_free_prom_memory(void) diff --git a/arch/mips/loongson/common/irq.c b/arch/mips/loongson/common/irq.c index b32b4a3e513..20e73283197 100644 --- a/arch/mips/loongson/common/irq.c +++ b/arch/mips/loongson/common/irq.c @@ -20,21 +20,21 @@ void bonito_irqdispatch(void) int i; /* workaround the IO dma problem: let cpu looping to allow DMA finish */ - int_status = BONITO_INTISR; + int_status = LOONGSON_INTISR; if (int_status & (1 << 10)) { while (int_status & (1 << 10)) { udelay(1); - int_status = BONITO_INTISR; + int_status = LOONGSON_INTISR; } } /* Get pending sources, masked by current enables */ - int_status = BONITO_INTISR & BONITO_INTEN; + int_status = LOONGSON_INTISR & LOONGSON_INTEN; if (int_status != 0) { i = __ffs(int_status); int_status &= ~(1 << i); - do_IRQ(BONITO_IRQ_BASE + i); + do_IRQ(LOONGSON_IRQ_BASE + i); } } @@ -60,13 +60,13 @@ void __init arch_init_irq(void) set_irq_trigger_mode(); /* no steer */ - BONITO_INTSTEER = 0; + LOONGSON_INTSTEER = 0; /* * Mask out all interrupt by writing "1" to all bit position in * the interrupt reset reg. */ - BONITO_INTENCLR = ~0; + LOONGSON_INTENCLR = ~0; /* machine specific irq init */ mach_init_irq(); diff --git a/arch/mips/loongson/common/machtype.c b/arch/mips/loongson/common/machtype.c index 7b348248de7..0ed52b3f531 100644 --- a/arch/mips/loongson/common/machtype.c +++ b/arch/mips/loongson/common/machtype.c @@ -15,6 +15,9 @@ #include <loongson.h> #include <machine.h> +/* please ensure the length of the machtype string is less than 50 */ +#define MACHTYPE_LEN 50 + static const char *system_types[] = { [MACH_LOONGSON_UNKNOWN] "unknown loongson machine", [MACH_LEMOTE_FL2E] "lemote-fuloong-2e-box", @@ -22,29 +25,35 @@ static const char *system_types[] = { [MACH_LEMOTE_ML2F7] "lemote-mengloong-2f-7inches", [MACH_LEMOTE_YL2F89] "lemote-yeeloong-2f-8.9inches", [MACH_DEXXON_GDIUM2F10] "dexxon-gidum-2f-10inches", + [MACH_LEMOTE_NAS] "lemote-nas-2f", + [MACH_LEMOTE_LL2F] "lemote-lynloong-2f", [MACH_LOONGSON_END] NULL, }; const char *get_system_type(void) { - if (mips_machtype == MACH_UNKNOWN) - mips_machtype = LOONGSON_MACHTYPE; - return system_types[mips_machtype]; } -static __init int machtype_setup(char *str) +void __init prom_init_machtype(void) { + char *p, str[MACHTYPE_LEN]; int machtype = MACH_LEMOTE_FL2E; - if (!str) - return -EINVAL; + mips_machtype = LOONGSON_MACHTYPE; + + p = strstr(arcs_cmdline, "machtype="); + if (!p) + return; + p += strlen("machtype="); + strncpy(str, p, MACHTYPE_LEN); + p = strstr(str, " "); + if (p) + *p = '\0'; for (; system_types[machtype]; machtype++) if (strstr(system_types[machtype], str)) { mips_machtype = machtype; break; } - return 0; } -__setup("machtype=", machtype_setup); diff --git a/arch/mips/loongson/common/mem.c b/arch/mips/loongson/common/mem.c index e94ef158f98..ceacd092b44 100644 --- a/arch/mips/loongson/common/mem.c +++ b/arch/mips/loongson/common/mem.c @@ -12,15 +12,40 @@ #include <loongson.h> #include <mem.h> +#include <pci.h> void __init prom_init_memory(void) { add_memory_region(0x0, (memsize << 20), BOOT_MEM_RAM); + + add_memory_region(memsize << 20, LOONGSON_PCI_MEM_START - (memsize << + 20), BOOT_MEM_RESERVED); +#ifdef CONFIG_CPU_SUPPORTS_ADDRWINCFG + { + int bit; + + bit = fls(memsize + highmemsize); + if (bit != ffs(memsize + highmemsize)) + bit += 20; + else + bit = bit + 20 - 1; + + /* set cpu window3 to map CPU to DDR: 2G -> 2G */ + LOONGSON_ADDRWIN_CPUTODDR(ADDRWIN_WIN3, 0x80000000ul, + 0x80000000ul, (1 << bit)); + mmiowb(); + } +#endif /* !CONFIG_CPU_SUPPORTS_ADDRWINCFG */ + #ifdef CONFIG_64BIT - if (highmemsize > 0) - add_memory_region(LOONGSON_HIGHMEM_START, - highmemsize << 20, BOOT_MEM_RAM); -#endif /* CONFIG_64BIT */ + if (highmemsize > 0) + add_memory_region(LOONGSON_HIGHMEM_START, + highmemsize << 20, BOOT_MEM_RAM); + + add_memory_region(LOONGSON_PCI_MEM_END + 1, LOONGSON_HIGHMEM_START - + LOONGSON_PCI_MEM_END - 1, BOOT_MEM_RESERVED); + +#endif /* !CONFIG_64BIT */ } /* override of arch/mips/mm/cache.c: __uncached_access */ @@ -33,3 +58,61 @@ int __uncached_access(struct file *file, unsigned long addr) ((addr >= LOONGSON_MMIO_MEM_START) && (addr < LOONGSON_MMIO_MEM_END)); } + +#ifdef CONFIG_CPU_SUPPORTS_UNCACHED_ACCELERATED + +#include <linux/pci.h> +#include <linux/sched.h> +#include <asm/current.h> + +static unsigned long uca_start, uca_end; + +pgprot_t phys_mem_access_prot(struct file *file, unsigned long pfn, + unsigned long size, pgprot_t vma_prot) +{ + unsigned long offset = pfn << PAGE_SHIFT; + unsigned long end = offset + size; + + if (__uncached_access(file, offset)) { + if (((uca_start && offset) >= uca_start) && + (end <= uca_end)) + return __pgprot((pgprot_val(vma_prot) & + ~_CACHE_MASK) | + _CACHE_UNCACHED_ACCELERATED); + else + return pgprot_noncached(vma_prot); + } + return vma_prot; +} + +static int __init find_vga_mem_init(void) +{ + struct pci_dev *dev = 0; + struct resource *r; + int idx; + + if (uca_start) + return 0; + + for_each_pci_dev(dev) { + if ((dev->class >> 8) == PCI_CLASS_DISPLAY_VGA) { + for (idx = 0; idx < PCI_NUM_RESOURCES; idx++) { + r = &dev->resource[idx]; + if (!r->start && r->end) + continue; + if (r->flags & IORESOURCE_IO) + continue; + if (r->flags & IORESOURCE_MEM) { + uca_start = r->start; + uca_end = r->end; + return 0; + } + } + } + } + + return 0; +} + +late_initcall(find_vga_mem_init); +#endif /* !CONFIG_CPU_SUPPORTS_UNCACHED_ACCELERATED */ diff --git a/arch/mips/loongson/common/pci.c b/arch/mips/loongson/common/pci.c index a3a4abfb6c9..31d8c5ecd16 100644 --- a/arch/mips/loongson/common/pci.c +++ b/arch/mips/loongson/common/pci.c @@ -27,7 +27,7 @@ static struct resource loongson_pci_io_resource = { }; static struct pci_controller loongson_pci_controller = { - .pci_ops = &bonito64_pci_ops, + .pci_ops = &loongson_pci_ops, .io_resource = &loongson_pci_io_resource, .mem_resource = &loongson_pci_mem_resource, .mem_offset = 0x00000000UL, @@ -44,15 +44,15 @@ static void __init setup_pcimap(void) * pcimap: PCI_MAP2 PCI_Mem_Lo2 PCI_Mem_Lo1 PCI_Mem_Lo0 * [<2G] [384M,448M] [320M,384M] [0M,64M] */ - BONITO_PCIMAP = BONITO_PCIMAP_PCIMAP_2 | - BONITO_PCIMAP_WIN(2, BONITO_PCILO2_BASE) | - BONITO_PCIMAP_WIN(1, BONITO_PCILO1_BASE) | - BONITO_PCIMAP_WIN(0, 0); + LOONGSON_PCIMAP = LOONGSON_PCIMAP_PCIMAP_2 | + LOONGSON_PCIMAP_WIN(2, LOONGSON_PCILO2_BASE) | + LOONGSON_PCIMAP_WIN(1, LOONGSON_PCILO1_BASE) | + LOONGSON_PCIMAP_WIN(0, 0); /* * PCI-DMA to local mapping: [2G,2G+256M] -> [0M,256M] */ - BONITO_PCIBASE0 = 0x80000000ul; /* base: 2G -> mmap: 0M */ + LOONGSON_PCIBASE0 = 0x80000000ul; /* base: 2G -> mmap: 0M */ /* size: 256M, burst transmission, pre-fetch enable, 64bit */ LOONGSON_PCI_HIT0_SEL_L = 0xc000000cul; LOONGSON_PCI_HIT0_SEL_H = 0xfffffffful; @@ -67,6 +67,14 @@ static void __init setup_pcimap(void) /* can not change gnt to break pci transfer when device's gnt not deassert for some broken device */ LOONGSON_PXARB_CFG = 0x00fe0105ul; + +#ifdef CONFIG_CPU_SUPPORTS_ADDRWINCFG + /* + * set cpu addr window2 to map CPU address space to PCI address space + */ + LOONGSON_ADDRWIN_CPUTOPCI(ADDRWIN_WIN2, LOONGSON_CPU_MEM_SRC, + LOONGSON_PCI_MEM_DST, MMAP_CPUTOPCI_SIZE); +#endif } static int __init pcibios_init(void) diff --git a/arch/mips/loongson/common/platform.c b/arch/mips/loongson/common/platform.c new file mode 100644 index 00000000000..be81777eb94 --- /dev/null +++ b/arch/mips/loongson/common/platform.c @@ -0,0 +1,30 @@ +/* + * Copyright (C) 2009 Lemote Inc. + * Author: Wu Zhangjin, wuzj@lemote.com + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include <linux/err.h> +#include <linux/platform_device.h> + +static struct platform_device loongson2_cpufreq_device = { + .name = "loongson2_cpufreq", + .id = -1, +}; + +static int __init loongson2_cpufreq_init(void) +{ + struct cpuinfo_mips *c = ¤t_cpu_data; + + /* Only 2F revision and it's successors support CPUFreq */ + if ((c->processor_id & PRID_REV_MASK) >= PRID_REV_LOONGSON2F) + return platform_device_register(&loongson2_cpufreq_device); + + return -ENODEV; +} + +arch_initcall(loongson2_cpufreq_init); diff --git a/arch/mips/loongson/common/pm.c b/arch/mips/loongson/common/pm.c new file mode 100644 index 00000000000..b625fec8a4d --- /dev/null +++ b/arch/mips/loongson/common/pm.c @@ -0,0 +1,161 @@ +/* + * loongson-specific suspend support + * + * Copyright (C) 2009 Lemote Inc. + * Author: Wu Zhangjin <wuzj@lemote.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ +#include <linux/suspend.h> +#include <linux/interrupt.h> +#include <linux/pm.h> + +#include <asm/i8259.h> +#include <asm/mipsregs.h> + +#include <loongson.h> + +static unsigned int __maybe_unused cached_master_mask; /* i8259A */ +static unsigned int __maybe_unused cached_slave_mask; +static unsigned int __maybe_unused cached_bonito_irq_mask; /* bonito */ + +void arch_suspend_disable_irqs(void) +{ + /* disable all mips events */ + local_irq_disable(); + +#ifdef CONFIG_I8259 + /* disable all events of i8259A */ + cached_slave_mask = inb(PIC_SLAVE_IMR); + cached_master_mask = inb(PIC_MASTER_IMR); + + outb(0xff, PIC_SLAVE_IMR); + inb(PIC_SLAVE_IMR); + outb(0xff, PIC_MASTER_IMR); + inb(PIC_MASTER_IMR); +#endif + /* disable all events of bonito */ + cached_bonito_irq_mask = LOONGSON_INTEN; + LOONGSON_INTENCLR = 0xffff; + (void)LOONGSON_INTENCLR; +} + +void arch_suspend_enable_irqs(void) +{ + /* enable all mips events */ + local_irq_enable(); +#ifdef CONFIG_I8259 + /* only enable the cached events of i8259A */ + outb(cached_slave_mask, PIC_SLAVE_IMR); + outb(cached_master_mask, PIC_MASTER_IMR); +#endif + /* enable all cached events of bonito */ + LOONGSON_INTENSET = cached_bonito_irq_mask; + (void)LOONGSON_INTENSET; +} + +/* + * Setup the board-specific events for waking up loongson from wait mode + */ +void __weak setup_wakeup_events(void) +{ +} + +/* + * Check wakeup events + */ +int __weak wakeup_loongson(void) +{ + return 1; +} + +/* + * If the events are really what we want to wakeup the CPU, wake it up + * otherwise put the CPU asleep again. + */ +static void wait_for_wakeup_events(void) +{ + while (!wakeup_loongson()) + LOONGSON_CHIPCFG0 &= ~0x7; +} + +/* + * Stop all perf counters + * + * $24 is the control register of Loongson perf counter + */ +static inline void stop_perf_counters(void) +{ + __write_64bit_c0_register($24, 0, 0); +} + + +static void loongson_suspend_enter(void) +{ + static unsigned int cached_cpu_freq; + + /* setup wakeup events via enabling the IRQs */ + setup_wakeup_events(); + + stop_perf_counters(); + + cached_cpu_freq = LOONGSON_CHIPCFG0; + + /* Put CPU into wait mode */ + LOONGSON_CHIPCFG0 &= ~0x7; + + /* wait for the given events to wakeup cpu from wait mode */ + wait_for_wakeup_events(); + + LOONGSON_CHIPCFG0 = cached_cpu_freq; + mmiowb(); +} + +void __weak mach_suspend(void) +{ +} + +void __weak mach_resume(void) +{ +} + +static int loongson_pm_enter(suspend_state_t state) +{ + mach_suspend(); + + /* processor specific suspend */ + loongson_suspend_enter(); + + mach_resume(); + + return 0; +} + +static int loongson_pm_valid_state(suspend_state_t state) +{ + switch (state) { + case PM_SUSPEND_ON: + case PM_SUSPEND_STANDBY: + case PM_SUSPEND_MEM: + return 1; + + default: + return 0; + } +} + +static struct platform_suspend_ops loongson_pm_ops = { + .valid = loongson_pm_valid_state, + .enter = loongson_pm_enter, +}; + +static int __init loongson_pm_init(void) +{ + suspend_set_ops(&loongson_pm_ops); + + return 0; +} +arch_initcall(loongson_pm_init); diff --git a/arch/mips/loongson/common/reset.c b/arch/mips/loongson/common/reset.c index 97e918251ed..d57f1719da9 100644 --- a/arch/mips/loongson/common/reset.c +++ b/arch/mips/loongson/common/reset.c @@ -22,7 +22,7 @@ static void loongson_restart(char *command) mach_prepare_reboot(); /* reboot via jumping to boot base address */ - ((void (*)(void))ioremap_nocache(BONITO_BOOT_BASE, 4)) (); + ((void (*)(void))ioremap_nocache(LOONGSON_BOOT_BASE, 4)) (); } static void loongson_halt(void) diff --git a/arch/mips/loongson/common/serial.c b/arch/mips/loongson/common/serial.c new file mode 100644 index 00000000000..23b66a5f88c --- /dev/null +++ b/arch/mips/loongson/common/serial.c @@ -0,0 +1,76 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2007 Ralf Baechle (ralf@linux-mips.org) + * + * Copyright (C) 2009 Lemote, Inc. + * Author: Yan hua (yanhua@lemote.com) + * Author: Wu Zhangjin (wuzj@lemote.com) + */ + +#include <linux/io.h> +#include <linux/init.h> +#include <linux/serial_8250.h> + +#include <asm/bootinfo.h> + +#include <loongson.h> +#include <machine.h> + +#define PORT(int) \ +{ \ + .irq = int, \ + .uartclk = 1843200, \ + .iotype = UPIO_PORT, \ + .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST, \ + .regshift = 0, \ +} + +#define PORT_M(int) \ +{ \ + .irq = MIPS_CPU_IRQ_BASE + (int), \ + .uartclk = 3686400, \ + .iotype = UPIO_MEM, \ + .membase = (void __iomem *)NULL, \ + .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST, \ + .regshift = 0, \ +} + +static struct plat_serial8250_port uart8250_data[][2] = { + [MACH_LOONGSON_UNKNOWN] {}, + [MACH_LEMOTE_FL2E] {PORT(4), {} }, + [MACH_LEMOTE_FL2F] {PORT(3), {} }, + [MACH_LEMOTE_ML2F7] {PORT_M(3), {} }, + [MACH_LEMOTE_YL2F89] {PORT_M(3), {} }, + [MACH_DEXXON_GDIUM2F10] {PORT_M(3), {} }, + [MACH_LEMOTE_NAS] {PORT_M(3), {} }, + [MACH_LEMOTE_LL2F] {PORT(3), {} }, + [MACH_LOONGSON_END] {}, +}; + +static struct platform_device uart8250_device = { + .name = "serial8250", + .id = PLAT8250_DEV_PLATFORM, +}; + +static int __init serial_init(void) +{ + unsigned char iotype; + + iotype = uart8250_data[mips_machtype][0].iotype; + + if (UPIO_MEM == iotype) + uart8250_data[mips_machtype][0].membase = + (void __iomem *)_loongson_uart_base; + else if (UPIO_PORT == iotype) + uart8250_data[mips_machtype][0].iobase = + loongson_uart_base - LOONGSON_PCIIO_BASE; + + uart8250_device.dev.platform_data = uart8250_data[mips_machtype]; + + return platform_device_register(&uart8250_device); +} + +device_initcall(serial_init); diff --git a/arch/mips/loongson/common/time.c b/arch/mips/loongson/common/time.c index 6e08c8270ab..35f0b66a94f 100644 --- a/arch/mips/loongson/common/time.c +++ b/arch/mips/loongson/common/time.c @@ -14,11 +14,14 @@ #include <asm/time.h> #include <loongson.h> +#include <cs5536/cs5536_mfgpt.h> void __init plat_time_init(void) { /* setup mips r4k timer */ mips_hpt_frequency = cpu_clock_freq / 2; + + setup_mfgpt0_timer(); } void read_persistent_clock(struct timespec *ts) diff --git a/arch/mips/loongson/common/uart_base.c b/arch/mips/loongson/common/uart_base.c new file mode 100644 index 00000000000..78ff66ae749 --- /dev/null +++ b/arch/mips/loongson/common/uart_base.c @@ -0,0 +1,45 @@ +/* + * Copyright (C) 2009 Lemote Inc. + * Author: Wu Zhangjin, wuzj@lemote.com + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include <linux/module.h> +#include <asm/bootinfo.h> + +#include <loongson.h> + +/* ioremapped */ +unsigned long _loongson_uart_base; +EXPORT_SYMBOL(_loongson_uart_base); +/* raw */ +unsigned long loongson_uart_base; +EXPORT_SYMBOL(loongson_uart_base); + +void prom_init_loongson_uart_base(void) +{ + switch (mips_machtype) { + case MACH_LEMOTE_FL2E: + loongson_uart_base = LOONGSON_PCIIO_BASE + 0x3f8; + break; + case MACH_LEMOTE_FL2F: + case MACH_LEMOTE_LL2F: + loongson_uart_base = LOONGSON_PCIIO_BASE + 0x2f8; + break; + case MACH_LEMOTE_ML2F7: + case MACH_LEMOTE_YL2F89: + case MACH_DEXXON_GDIUM2F10: + case MACH_LEMOTE_NAS: + default: + /* The CPU provided serial port */ + loongson_uart_base = LOONGSON_LIO1_BASE + 0x3f8; + break; + } + + _loongson_uart_base = + (unsigned long)ioremap_nocache(loongson_uart_base, 8); +} diff --git a/arch/mips/loongson/fuloong-2e/irq.c b/arch/mips/loongson/fuloong-2e/irq.c index 7888cf69424..320e9379bdd 100644 --- a/arch/mips/loongson/fuloong-2e/irq.c +++ b/arch/mips/loongson/fuloong-2e/irq.c @@ -47,8 +47,8 @@ static struct irqaction cascade_irqaction = { void __init set_irq_trigger_mode(void) { /* most bonito irq should be level triggered */ - BONITO_INTEDGE = BONITO_ICU_SYSTEMERR | BONITO_ICU_MASTERERR | - BONITO_ICU_RETRYERR | BONITO_ICU_MBOXES; + LOONGSON_INTEDGE = LOONGSON_ICU_SYSTEMERR | LOONGSON_ICU_MASTERERR | + LOONGSON_ICU_RETRYERR | LOONGSON_ICU_MBOXES; } void __init mach_init_irq(void) diff --git a/arch/mips/loongson/fuloong-2e/reset.c b/arch/mips/loongson/fuloong-2e/reset.c index 677fe186db9..fc16c677d47 100644 --- a/arch/mips/loongson/fuloong-2e/reset.c +++ b/arch/mips/loongson/fuloong-2e/reset.c @@ -14,8 +14,8 @@ void mach_prepare_reboot(void) { - BONITO_BONGENCFG &= ~(1 << 2); - BONITO_BONGENCFG |= (1 << 2); + LOONGSON_GENCFG &= ~(1 << 2); + LOONGSON_GENCFG |= (1 << 2); } void mach_prepare_shutdown(void) diff --git a/arch/mips/loongson/lemote-2f/Makefile b/arch/mips/loongson/lemote-2f/Makefile new file mode 100644 index 00000000000..4d84b27dc41 --- /dev/null +++ b/arch/mips/loongson/lemote-2f/Makefile @@ -0,0 +1,11 @@ +# +# Makefile for lemote loongson2f family machines +# + +obj-y += irq.o reset.o ec_kb3310b.o + +# +# Suspend Support +# + +obj-$(CONFIG_LOONGSON_SUSPEND) += pm.o diff --git a/arch/mips/loongson/lemote-2f/ec_kb3310b.c b/arch/mips/loongson/lemote-2f/ec_kb3310b.c new file mode 100644 index 00000000000..4d84111a2cd --- /dev/null +++ b/arch/mips/loongson/lemote-2f/ec_kb3310b.c @@ -0,0 +1,130 @@ +/* + * Basic KB3310B Embedded Controller support for the YeeLoong 2F netbook + * + * Copyright (C) 2008 Lemote Inc. + * Author: liujl <liujl@lemote.com>, 2008-04-20 + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#include <linux/module.h> +#include <linux/spinlock.h> +#include <linux/delay.h> + +#include "ec_kb3310b.h" + +static DEFINE_SPINLOCK(index_access_lock); +static DEFINE_SPINLOCK(port_access_lock); + +unsigned char ec_read(unsigned short addr) +{ + unsigned char value; + unsigned long flags; + + spin_lock_irqsave(&index_access_lock, flags); + outb((addr & 0xff00) >> 8, EC_IO_PORT_HIGH); + outb((addr & 0x00ff), EC_IO_PORT_LOW); + value = inb(EC_IO_PORT_DATA); + spin_unlock_irqrestore(&index_access_lock, flags); + + return value; +} +EXPORT_SYMBOL_GPL(ec_read); + +void ec_write(unsigned short addr, unsigned char val) +{ + unsigned long flags; + + spin_lock_irqsave(&index_access_lock, flags); + outb((addr & 0xff00) >> 8, EC_IO_PORT_HIGH); + outb((addr & 0x00ff), EC_IO_PORT_LOW); + outb(val, EC_IO_PORT_DATA); + /* flush the write action */ + inb(EC_IO_PORT_DATA); + spin_unlock_irqrestore(&index_access_lock, flags); + + return; +} +EXPORT_SYMBOL_GPL(ec_write); + +/* + * This function is used for EC command writes and corresponding status queries. + */ +int ec_query_seq(unsigned char cmd) +{ + int timeout; + unsigned char status; + unsigned long flags; + int ret = 0; + + spin_lock_irqsave(&port_access_lock, flags); + + /* make chip goto reset mode */ + udelay(EC_REG_DELAY); + outb(cmd, EC_CMD_PORT); + udelay(EC_REG_DELAY); + + /* check if the command is received by ec */ + timeout = EC_CMD_TIMEOUT; + status = inb(EC_STS_PORT); + while (timeout-- && (status & (1 << 1))) { + status = inb(EC_STS_PORT); + udelay(EC_REG_DELAY); + } + + if (timeout <= 0) { + printk(KERN_ERR "%s: deadable error : timeout...\n", __func__); + ret = -EINVAL; + } else + printk(KERN_INFO + "(%x/%d)ec issued command %d status : 0x%x\n", + timeout, EC_CMD_TIMEOUT - timeout, cmd, status); + + spin_unlock_irqrestore(&port_access_lock, flags); + + return ret; +} +EXPORT_SYMBOL_GPL(ec_query_seq); + +/* + * Send query command to EC to get the proper event number + */ +int ec_query_event_num(void) +{ + return ec_query_seq(CMD_GET_EVENT_NUM); +} +EXPORT_SYMBOL(ec_query_event_num); + +/* + * Get event number from EC + * + * NOTE: This routine must follow the query_event_num function in the + * interrupt. + */ +int ec_get_event_num(void) +{ + int timeout = 100; + unsigned char value; + unsigned char status; + + udelay(EC_REG_DELAY); + status = inb(EC_STS_PORT); + udelay(EC_REG_DELAY); + while (timeout-- && !(status & (1 << 0))) { + status = inb(EC_STS_PORT); + udelay(EC_REG_DELAY); + } + if (timeout <= 0) { + pr_info("%s: get event number timeout.\n", __func__); + + return -EINVAL; + } + value = inb(EC_DAT_PORT); + udelay(EC_REG_DELAY); + + return value; +} +EXPORT_SYMBOL(ec_get_event_num); diff --git a/arch/mips/loongson/lemote-2f/ec_kb3310b.h b/arch/mips/loongson/lemote-2f/ec_kb3310b.h new file mode 100644 index 00000000000..1595a21b315 --- /dev/null +++ b/arch/mips/loongson/lemote-2f/ec_kb3310b.h @@ -0,0 +1,188 @@ +/* + * KB3310B Embedded Controller + * + * Copyright (C) 2008 Lemote Inc. + * Author: liujl <liujl@lemote.com>, 2008-03-14 + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#ifndef _EC_KB3310B_H +#define _EC_KB3310B_H + +extern unsigned char ec_read(unsigned short addr); +extern void ec_write(unsigned short addr, unsigned char val); +extern int ec_query_seq(unsigned char cmd); +extern int ec_query_event_num(void); +extern int ec_get_event_num(void); + +typedef int (*sci_handler) (int status); +extern sci_handler yeeloong_report_lid_status; + +#define SCI_IRQ_NUM 0x0A + +/* + * The following registers are determined by the EC index configuration. + * 1, fill the PORT_HIGH as EC register high part. + * 2, fill the PORT_LOW as EC register low part. + * 3, fill the PORT_DATA as EC register write data or get the data from it. + */ +#define EC_IO_PORT_HIGH 0x0381 +#define EC_IO_PORT_LOW 0x0382 +#define EC_IO_PORT_DATA 0x0383 + +/* + * EC delay time is 500us for register and status access + */ +#define EC_REG_DELAY 500 /* unit : us */ +#define EC_CMD_TIMEOUT 0x1000 + +/* + * EC access port for SCI communication + */ +#define EC_CMD_PORT 0x66 +#define EC_STS_PORT 0x66 +#define EC_DAT_PORT 0x62 +#define CMD_INIT_IDLE_MODE 0xdd +#define CMD_EXIT_IDLE_MODE 0xdf +#define CMD_INIT_RESET_MODE 0xd8 +#define CMD_REBOOT_SYSTEM 0x8c +#define CMD_GET_EVENT_NUM 0x84 +#define CMD_PROGRAM_PIECE 0xda + +/* temperature & fan registers */ +#define REG_TEMPERATURE_VALUE 0xF458 +#define REG_FAN_AUTO_MAN_SWITCH 0xF459 +#define BIT_FAN_AUTO 0 +#define BIT_FAN_MANUAL 1 +#define REG_FAN_CONTROL 0xF4D2 +#define BIT_FAN_CONTROL_ON (1 << 0) +#define BIT_FAN_CONTROL_OFF (0 << 0) +#define REG_FAN_STATUS 0xF4DA +#define BIT_FAN_STATUS_ON (1 << 0) +#define BIT_FAN_STATUS_OFF (0 << 0) +#define REG_FAN_SPEED_HIGH 0xFE22 +#define REG_FAN_SPEED_LOW 0xFE23 +#define REG_FAN_SPEED_LEVEL 0xF4CC +/* fan speed divider */ +#define FAN_SPEED_DIVIDER 480000 /* (60*1000*1000/62.5/2)*/ + +/* battery registers */ +#define REG_BAT_DESIGN_CAP_HIGH 0xF77D +#define REG_BAT_DESIGN_CAP_LOW 0xF77E +#define REG_BAT_FULLCHG_CAP_HIGH 0xF780 +#define REG_BAT_FULLCHG_CAP_LOW 0xF781 +#define REG_BAT_DESIGN_VOL_HIGH 0xF782 +#define REG_BAT_DESIGN_VOL_LOW 0xF783 +#define REG_BAT_CURRENT_HIGH 0xF784 +#define REG_BAT_CURRENT_LOW 0xF785 +#define REG_BAT_VOLTAGE_HIGH 0xF786 +#define REG_BAT_VOLTAGE_LOW 0xF787 +#define REG_BAT_TEMPERATURE_HIGH 0xF788 +#define REG_BAT_TEMPERATURE_LOW 0xF789 +#define REG_BAT_RELATIVE_CAP_HIGH 0xF492 +#define REG_BAT_RELATIVE_CAP_LOW 0xF493 +#define REG_BAT_VENDOR 0xF4C4 +#define FLAG_BAT_VENDOR_SANYO 0x01 +#define FLAG_BAT_VENDOR_SIMPLO 0x02 +#define REG_BAT_CELL_COUNT 0xF4C6 +#define FLAG_BAT_CELL_3S1P 0x03 +#define FLAG_BAT_CELL_3S2P 0x06 +#define REG_BAT_CHARGE 0xF4A2 +#define FLAG_BAT_CHARGE_DISCHARGE 0x01 +#define FLAG_BAT_CHARGE_CHARGE 0x02 +#define FLAG_BAT_CHARGE_ACPOWER 0x00 +#define REG_BAT_STATUS 0xF4B0 +#define BIT_BAT_STATUS_LOW (1 << 5) +#define BIT_BAT_STATUS_DESTROY (1 << 2) +#define BIT_BAT_STATUS_FULL (1 << 1) +#define BIT_BAT_STATUS_IN (1 << 0) +#define REG_BAT_CHARGE_STATUS 0xF4B1 +#define BIT_BAT_CHARGE_STATUS_OVERTEMP (1 << 2) +#define BIT_BAT_CHARGE_STATUS_PRECHG (1 << 1) +#define REG_BAT_STATE 0xF482 +#define BIT_BAT_STATE_CHARGING (1 << 1) +#define BIT_BAT_STATE_DISCHARGING (1 << 0) +#define REG_BAT_POWER 0xF440 +#define BIT_BAT_POWER_S3 (1 << 2) +#define BIT_BAT_POWER_ON (1 << 1) +#define BIT_BAT_POWER_ACIN (1 << 0) + +/* other registers */ +/* Audio: rd/wr */ +#define REG_AUDIO_VOLUME 0xF46C +#define REG_AUDIO_MUTE 0xF4E7 +#define REG_AUDIO_BEEP 0xF4D0 +/* USB port power or not: rd/wr */ +#define REG_USB0_FLAG 0xF461 +#define REG_USB1_FLAG 0xF462 +#define REG_USB2_FLAG 0xF463 +#define BIT_USB_FLAG_ON 1 +#define BIT_USB_FLAG_OFF 0 +/* LID */ +#define REG_LID_DETECT 0xF4BD +#define BIT_LID_DETECT_ON 1 +#define BIT_LID_DETECT_OFF 0 +/* CRT */ +#define REG_CRT_DETECT 0xF4AD +#define BIT_CRT_DETECT_PLUG 1 +#define BIT_CRT_DETECT_UNPLUG 0 +/* LCD backlight brightness adjust: 9 levels */ +#define REG_DISPLAY_BRIGHTNESS 0xF4F5 +/* Black screen Status */ +#define BIT_DISPLAY_LCD_ON 1 +#define BIT_DISPLAY_LCD_OFF 0 +/* LCD backlight control: off/restore */ +#define REG_BACKLIGHT_CTRL 0xF7BD +#define BIT_BACKLIGHT_ON 1 +#define BIT_BACKLIGHT_OFF 0 +/* Reset the machine auto-clear: rd/wr */ +#define REG_RESET 0xF4EC +#define BIT_RESET_ON 1 +/* Light the led: rd/wr */ +#define REG_LED 0xF4C8 +#define BIT_LED_RED_POWER (1 << 0) +#define BIT_LED_ORANGE_POWER (1 << 1) +#define BIT_LED_GREEN_CHARGE (1 << 2) +#define BIT_LED_RED_CHARGE (1 << 3) +#define BIT_LED_NUMLOCK (1 << 4) +/* Test led mode, all led on/off */ +#define REG_LED_TEST 0xF4C2 +#define BIT_LED_TEST_IN 1 +#define BIT_LED_TEST_OUT 0 +/* Camera on/off */ +#define REG_CAMERA_STATUS 0xF46A +#define BIT_CAMERA_STATUS_ON 1 +#define BIT_CAMERA_STATUS_OFF 0 +#define REG_CAMERA_CONTROL 0xF7B7 +#define BIT_CAMERA_CONTROL_OFF 0 +#define BIT_CAMERA_CONTROL_ON 1 +/* Wlan Status */ +#define REG_WLAN 0xF4FA +#define BIT_WLAN_ON 1 +#define BIT_WLAN_OFF 0 +#define REG_DISPLAY_LCD 0xF79F + +/* SCI Event Number from EC */ +enum { + EVENT_LID = 0x23, /* LID open/close */ + EVENT_DISPLAY_TOGGLE, /* Fn+F3 for display switch */ + EVENT_SLEEP, /* Fn+F1 for entering sleep mode */ + EVENT_OVERTEMP, /* Over-temperature happened */ + EVENT_CRT_DETECT, /* CRT is connected */ + EVENT_CAMERA, /* Camera on/off */ + EVENT_USB_OC2, /* USB2 Over Current occurred */ + EVENT_USB_OC0, /* USB0 Over Current occurred */ + EVENT_BLACK_SCREEN, /* Turn on/off backlight */ + EVENT_AUDIO_MUTE, /* Mute on/off */ + EVENT_DISPLAY_BRIGHTNESS,/* LCD backlight brightness adjust */ + EVENT_AC_BAT, /* AC & Battery relative issue */ + EVENT_AUDIO_VOLUME, /* Volume adjust */ + EVENT_WLAN, /* Wlan on/off */ + EVENT_END +}; + +#endif /* !_EC_KB3310B_H */ diff --git a/arch/mips/loongson/lemote-2f/irq.c b/arch/mips/loongson/lemote-2f/irq.c new file mode 100644 index 00000000000..77d32f9cf31 --- /dev/null +++ b/arch/mips/loongson/lemote-2f/irq.c @@ -0,0 +1,134 @@ +/* + * Copyright (C) 2007 Lemote Inc. + * Author: Fuxin Zhang, zhangfx@lemote.com + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include <linux/interrupt.h> +#include <linux/module.h> + +#include <asm/irq_cpu.h> +#include <asm/i8259.h> +#include <asm/mipsregs.h> + +#include <loongson.h> +#include <machine.h> + +#define LOONGSON_TIMER_IRQ (MIPS_CPU_IRQ_BASE + 7) /* cpu timer */ +#define LOONGSON_PERFCNT_IRQ (MIPS_CPU_IRQ_BASE + 6) /* cpu perf counter */ +#define LOONGSON_NORTH_BRIDGE_IRQ (MIPS_CPU_IRQ_BASE + 6) /* bonito */ +#define LOONGSON_UART_IRQ (MIPS_CPU_IRQ_BASE + 3) /* cpu serial port */ +#define LOONGSON_SOUTH_BRIDGE_IRQ (MIPS_CPU_IRQ_BASE + 2) /* i8259 */ + +#define LOONGSON_INT_BIT_INT0 (1 << 11) +#define LOONGSON_INT_BIT_INT1 (1 << 12) + +/* + * The generic i8259_irq() make the kernel hang on booting. Since we cannot + * get the irq via the IRR directly, we access the ISR instead. + */ +int mach_i8259_irq(void) +{ + int irq, isr; + + irq = -1; + + if ((LOONGSON_INTISR & LOONGSON_INTEN) & LOONGSON_INT_BIT_INT0) { + spin_lock(&i8259A_lock); + isr = inb(PIC_MASTER_CMD) & + ~inb(PIC_MASTER_IMR) & ~(1 << PIC_CASCADE_IR); + if (!isr) + isr = (inb(PIC_SLAVE_CMD) & ~inb(PIC_SLAVE_IMR)) << 8; + irq = ffs(isr) - 1; + if (unlikely(irq == 7)) { + /* + * This may be a spurious interrupt. + * + * Read the interrupt status register (ISR). If the most + * significant bit is not set then there is no valid + * interrupt. + */ + outb(0x0B, PIC_MASTER_ISR); /* ISR register */ + if (~inb(PIC_MASTER_ISR) & 0x80) + irq = -1; + } + spin_unlock(&i8259A_lock); + } + + return irq; +} +EXPORT_SYMBOL(mach_i8259_irq); + +static void i8259_irqdispatch(void) +{ + int irq; + + irq = mach_i8259_irq(); + if (irq >= 0) + do_IRQ(irq); + else + spurious_interrupt(); +} + +void mach_irq_dispatch(unsigned int pending) +{ + if (pending & CAUSEF_IP7) + do_IRQ(LOONGSON_TIMER_IRQ); + else if (pending & CAUSEF_IP6) { /* North Bridge, Perf counter */ +#ifdef CONFIG_OPROFILE + do_IRQ(LOONGSON2_PERFCNT_IRQ); +#endif + bonito_irqdispatch(); + } else if (pending & CAUSEF_IP3) /* CPU UART */ + do_IRQ(LOONGSON_UART_IRQ); + else if (pending & CAUSEF_IP2) /* South Bridge */ + i8259_irqdispatch(); + else + spurious_interrupt(); +} + +void __init set_irq_trigger_mode(void) +{ + /* setup cs5536 as high level trigger */ + LOONGSON_INTPOL = LOONGSON_INT_BIT_INT0 | LOONGSON_INT_BIT_INT1; + LOONGSON_INTEDGE &= ~(LOONGSON_INT_BIT_INT0 | LOONGSON_INT_BIT_INT1); +} + +static irqreturn_t ip6_action(int cpl, void *dev_id) +{ + return IRQ_HANDLED; +} + +struct irqaction ip6_irqaction = { + .handler = ip6_action, + .name = "cascade", + .flags = IRQF_SHARED, +}; + +struct irqaction cascade_irqaction = { + .handler = no_action, + .name = "cascade", +}; + +void __init mach_init_irq(void) +{ + /* init all controller + * 0-15 ------> i8259 interrupt + * 16-23 ------> mips cpu interrupt + * 32-63 ------> bonito irq + */ + + /* Sets the first-level interrupt dispatcher. */ + mips_cpu_irq_init(); + init_i8259_irqs(); + bonito_irq_init(); + + /* setup north bridge irq (bonito) */ + setup_irq(LOONGSON_NORTH_BRIDGE_IRQ, &ip6_irqaction); + /* setup source bridge irq (i8259) */ + setup_irq(LOONGSON_SOUTH_BRIDGE_IRQ, &cascade_irqaction); +} diff --git a/arch/mips/loongson/lemote-2f/pm.c b/arch/mips/loongson/lemote-2f/pm.c new file mode 100644 index 00000000000..d7af2e61659 --- /dev/null +++ b/arch/mips/loongson/lemote-2f/pm.c @@ -0,0 +1,149 @@ +/* + * Lemote loongson2f family machines' specific suspend support + * + * Copyright (C) 2009 Lemote Inc. + * Author: Wu Zhangjin <wuzj@lemote.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#include <linux/suspend.h> +#include <linux/interrupt.h> +#include <linux/pm.h> +#include <linux/i8042.h> +#include <linux/module.h> + +#include <asm/i8259.h> +#include <asm/mipsregs.h> +#include <asm/bootinfo.h> + +#include <loongson.h> + +#include <cs5536/cs5536_mfgpt.h> +#include "ec_kb3310b.h" + +#define I8042_KBD_IRQ 1 +#define I8042_CTR_KBDINT 0x01 +#define I8042_CTR_KBDDIS 0x10 + +static unsigned char i8042_ctr; + +static int i8042_enable_kbd_port(void) +{ + if (i8042_command(&i8042_ctr, I8042_CMD_CTL_RCTR)) { + pr_err("i8042.c: Can't read CTR while enabling i8042 kbd port." + "\n"); + return -EIO; + } + + i8042_ctr &= ~I8042_CTR_KBDDIS; + i8042_ctr |= I8042_CTR_KBDINT; + + if (i8042_command(&i8042_ctr, I8042_CMD_CTL_WCTR)) { + i8042_ctr &= ~I8042_CTR_KBDINT; + i8042_ctr |= I8042_CTR_KBDDIS; + pr_err("i8042.c: Failed to enable KBD port.\n"); + + return -EIO; + } + + return 0; +} + +void setup_wakeup_events(void) +{ + int irq_mask; + + switch (mips_machtype) { + case MACH_LEMOTE_ML2F7: + case MACH_LEMOTE_YL2F89: + /* open the keyboard irq in i8259A */ + outb((0xff & ~(1 << I8042_KBD_IRQ)), PIC_MASTER_IMR); + irq_mask = inb(PIC_MASTER_IMR); + + /* enable keyboard port */ + i8042_enable_kbd_port(); + + /* Wakeup CPU via SCI lid open event */ + outb(irq_mask & ~(1 << PIC_CASCADE_IR), PIC_MASTER_IMR); + inb(PIC_MASTER_IMR); + outb(0xff & ~(1 << (SCI_IRQ_NUM - 8)), PIC_SLAVE_IMR); + inb(PIC_SLAVE_IMR); + + break; + + default: + break; + } +} + +static struct delayed_work lid_task; +static int initialized; +/* yeeloong_report_lid_status will be implemented in yeeloong_laptop.c */ +sci_handler yeeloong_report_lid_status; +EXPORT_SYMBOL(yeeloong_report_lid_status); +static void yeeloong_lid_update_task(struct work_struct *work) +{ + if (yeeloong_report_lid_status) + yeeloong_report_lid_status(BIT_LID_DETECT_ON); +} + +int wakeup_loongson(void) +{ + int irq; + + /* query the interrupt number */ + irq = mach_i8259_irq(); + if (irq < 0) + return 0; + + printk(KERN_INFO "%s: irq = %d\n", __func__, irq); + + if (irq == I8042_KBD_IRQ) + return 1; + else if (irq == SCI_IRQ_NUM) { + int ret, sci_event; + /* query the event number */ + ret = ec_query_seq(CMD_GET_EVENT_NUM); + if (ret < 0) + return 0; + sci_event = ec_get_event_num(); + if (sci_event < 0) + return 0; + if (sci_event == EVENT_LID) { + int lid_status; + /* check the LID status */ + lid_status = ec_read(REG_LID_DETECT); + /* wakeup cpu when people open the LID */ + if (lid_status == BIT_LID_DETECT_ON) { + /* If we call it directly here, the WARNING + * will be sent out by getnstimeofday + * via "WARN_ON(timekeeping_suspended);" + * because we can not schedule in suspend mode. + */ + if (initialized == 0) { + INIT_DELAYED_WORK(&lid_task, + yeeloong_lid_update_task); + initialized = 1; + } + schedule_delayed_work(&lid_task, 1); + return 1; + } + } + } + + return 0; +} + +void __weak mach_suspend(void) +{ + disable_mfgpt0_counter(); +} + +void __weak mach_resume(void) +{ + enable_mfgpt0_counter(); +} diff --git a/arch/mips/loongson/lemote-2f/reset.c b/arch/mips/loongson/lemote-2f/reset.c new file mode 100644 index 00000000000..51d1a60d534 --- /dev/null +++ b/arch/mips/loongson/lemote-2f/reset.c @@ -0,0 +1,159 @@ +/* Board-specific reboot/shutdown routines + * + * Copyright (c) 2009 Philippe Vachon <philippe@cowpig.ca> + * + * Copyright (C) 2009 Lemote Inc. + * Author: Wu Zhangjin, wuzj@lemote.com + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include <linux/io.h> +#include <linux/delay.h> +#include <linux/types.h> + +#include <asm/bootinfo.h> + +#include <loongson.h> + +#include <cs5536/cs5536.h> +#include "ec_kb3310b.h" + +static void reset_cpu(void) +{ + /* + * reset cpu to full speed, this is needed when enabling cpu frequency + * scalling + */ + LOONGSON_CHIPCFG0 |= 0x7; +} + +/* reset support for fuloong2f */ + +static void fl2f_reboot(void) +{ + reset_cpu(); + + /* send a reset signal to south bridge. + * + * NOTE: if enable "Power Management" in kernel, rtl8169 will not reset + * normally with this reset operation and it will not work in PMON, but + * you can type halt command and then reboot, seems the hardware reset + * logic not work normally. + */ + { + u32 hi, lo; + _rdmsr(DIVIL_MSR_REG(DIVIL_SOFT_RESET), &hi, &lo); + lo |= 0x00000001; + _wrmsr(DIVIL_MSR_REG(DIVIL_SOFT_RESET), hi, lo); + } +} + +static void fl2f_shutdown(void) +{ + u32 hi, lo, val; + int gpio_base; + + /* get gpio base */ + _rdmsr(DIVIL_MSR_REG(DIVIL_LBAR_GPIO), &hi, &lo); + gpio_base = lo & 0xff00; + + /* make cs5536 gpio13 output enable */ + val = inl(gpio_base + GPIOL_OUT_EN); + val &= ~(1 << (16 + 13)); + val |= (1 << 13); + outl(val, gpio_base + GPIOL_OUT_EN); + mmiowb(); + /* make cs5536 gpio13 output low level voltage. */ + val = inl(gpio_base + GPIOL_OUT_VAL) & ~(1 << (13)); + val |= (1 << (16 + 13)); + outl(val, gpio_base + GPIOL_OUT_VAL); + mmiowb(); +} + +/* reset support for yeeloong2f and mengloong2f notebook */ + +void ml2f_reboot(void) +{ + reset_cpu(); + + /* sending an reset signal to EC(embedded controller) */ + ec_write(REG_RESET, BIT_RESET_ON); +} + +#define yl2f89_reboot ml2f_reboot + +/* menglong(7inches) laptop has different shutdown logic from 8.9inches */ +#define EC_SHUTDOWN_IO_PORT_HIGH 0xff2d +#define EC_SHUTDOWN_IO_PORT_LOW 0xff2e +#define EC_SHUTDOWN_IO_PORT_DATA 0xff2f +#define REG_SHUTDOWN_HIGH 0xFC +#define REG_SHUTDOWN_LOW 0x29 +#define BIT_SHUTDOWN_ON (1 << 1) + +static void ml2f_shutdown(void) +{ + u8 val; + u64 i; + + outb(REG_SHUTDOWN_HIGH, EC_SHUTDOWN_IO_PORT_HIGH); + outb(REG_SHUTDOWN_LOW, EC_SHUTDOWN_IO_PORT_LOW); + mmiowb(); + val = inb(EC_SHUTDOWN_IO_PORT_DATA); + outb(val & (~BIT_SHUTDOWN_ON), EC_SHUTDOWN_IO_PORT_DATA); + mmiowb(); + /* need enough wait here... how many microseconds needs? */ + for (i = 0; i < 0x10000; i++) + delay(); + outb(val | BIT_SHUTDOWN_ON, EC_SHUTDOWN_IO_PORT_DATA); + mmiowb(); +} + +static void yl2f89_shutdown(void) +{ + /* cpu-gpio0 output low */ + LOONGSON_GPIODATA &= ~0x00000001; + /* cpu-gpio0 as output */ + LOONGSON_GPIOIE &= ~0x00000001; +} + +void mach_prepare_reboot(void) +{ + switch (mips_machtype) { + case MACH_LEMOTE_FL2F: + case MACH_LEMOTE_NAS: + case MACH_LEMOTE_LL2F: + fl2f_reboot(); + break; + case MACH_LEMOTE_ML2F7: + ml2f_reboot(); + break; + case MACH_LEMOTE_YL2F89: + yl2f89_reboot(); + break; + default: + break; + } +} + +void mach_prepare_shutdown(void) +{ + switch (mips_machtype) { + case MACH_LEMOTE_FL2F: + case MACH_LEMOTE_NAS: + case MACH_LEMOTE_LL2F: + fl2f_shutdown(); + break; + case MACH_LEMOTE_ML2F7: + ml2f_shutdown(); + break; + case MACH_LEMOTE_YL2F89: + yl2f89_shutdown(); + break; + default: + break; + } +} diff --git a/arch/mips/math-emu/cp1emu.c b/arch/mips/math-emu/cp1emu.c index 454b5392449..8f2f8e9d8b2 100644 --- a/arch/mips/math-emu/cp1emu.c +++ b/arch/mips/math-emu/cp1emu.c @@ -35,6 +35,7 @@ * better performance by compiling with -msoft-float! */ #include <linux/sched.h> +#include <linux/module.h> #include <linux/debugfs.h> #include <asm/inst.h> @@ -68,7 +69,9 @@ static int fpux_emu(struct pt_regs *, /* Further private data for which no space exists in mips_fpu_struct */ -struct mips_fpu_emulator_stats fpuemustats; +#ifdef CONFIG_DEBUG_FS +DEFINE_PER_CPU(struct mips_fpu_emulator_stats, fpuemustats); +#endif /* Control registers */ @@ -209,7 +212,7 @@ static int cop1Emulate(struct pt_regs *xcp, struct mips_fpu_struct *ctx) unsigned int cond; if (get_user(ir, (mips_instruction __user *) xcp->cp0_epc)) { - fpuemustats.errors++; + MIPS_FPU_EMU_INC_STATS(errors); return SIGBUS; } @@ -240,7 +243,7 @@ static int cop1Emulate(struct pt_regs *xcp, struct mips_fpu_struct *ctx) return SIGILL; } if (get_user(ir, (mips_instruction __user *) emulpc)) { - fpuemustats.errors++; + MIPS_FPU_EMU_INC_STATS(errors); return SIGBUS; } /* __compute_return_epc() will have updated cp0_epc */ @@ -253,16 +256,16 @@ static int cop1Emulate(struct pt_regs *xcp, struct mips_fpu_struct *ctx) } emul: - fpuemustats.emulated++; + MIPS_FPU_EMU_INC_STATS(emulated); switch (MIPSInst_OPCODE(ir)) { case ldc1_op:{ u64 __user *va = (u64 __user *) (xcp->regs[MIPSInst_RS(ir)] + MIPSInst_SIMM(ir)); u64 val; - fpuemustats.loads++; + MIPS_FPU_EMU_INC_STATS(loads); if (get_user(val, va)) { - fpuemustats.errors++; + MIPS_FPU_EMU_INC_STATS(errors); return SIGBUS; } DITOREG(val, MIPSInst_RT(ir)); @@ -274,10 +277,10 @@ static int cop1Emulate(struct pt_regs *xcp, struct mips_fpu_struct *ctx) MIPSInst_SIMM(ir)); u64 val; - fpuemustats.stores++; + MIPS_FPU_EMU_INC_STATS(stores); DIFROMREG(val, MIPSInst_RT(ir)); if (put_user(val, va)) { - fpuemustats.errors++; + MIPS_FPU_EMU_INC_STATS(errors); return SIGBUS; } break; @@ -288,9 +291,9 @@ static int cop1Emulate(struct pt_regs *xcp, struct mips_fpu_struct *ctx) MIPSInst_SIMM(ir)); u32 val; - fpuemustats.loads++; + MIPS_FPU_EMU_INC_STATS(loads); if (get_user(val, va)) { - fpuemustats.errors++; + MIPS_FPU_EMU_INC_STATS(errors); return SIGBUS; } SITOREG(val, MIPSInst_RT(ir)); @@ -302,10 +305,10 @@ static int cop1Emulate(struct pt_regs *xcp, struct mips_fpu_struct *ctx) MIPSInst_SIMM(ir)); u32 val; - fpuemustats.stores++; + MIPS_FPU_EMU_INC_STATS(stores); SIFROMREG(val, MIPSInst_RT(ir)); if (put_user(val, va)) { - fpuemustats.errors++; + MIPS_FPU_EMU_INC_STATS(errors); return SIGBUS; } break; @@ -429,7 +432,7 @@ static int cop1Emulate(struct pt_regs *xcp, struct mips_fpu_struct *ctx) if (get_user(ir, (mips_instruction __user *) xcp->cp0_epc)) { - fpuemustats.errors++; + MIPS_FPU_EMU_INC_STATS(errors); return SIGBUS; } @@ -595,7 +598,7 @@ static int fpux_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx, { unsigned rcsr = 0; /* resulting csr */ - fpuemustats.cp1xops++; + MIPS_FPU_EMU_INC_STATS(cp1xops); switch (MIPSInst_FMA_FFMT(ir)) { case s_fmt:{ /* 0 */ @@ -610,9 +613,9 @@ static int fpux_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx, va = (void __user *) (xcp->regs[MIPSInst_FR(ir)] + xcp->regs[MIPSInst_FT(ir)]); - fpuemustats.loads++; + MIPS_FPU_EMU_INC_STATS(loads); if (get_user(val, va)) { - fpuemustats.errors++; + MIPS_FPU_EMU_INC_STATS(errors); return SIGBUS; } SITOREG(val, MIPSInst_FD(ir)); @@ -622,11 +625,11 @@ static int fpux_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx, va = (void __user *) (xcp->regs[MIPSInst_FR(ir)] + xcp->regs[MIPSInst_FT(ir)]); - fpuemustats.stores++; + MIPS_FPU_EMU_INC_STATS(stores); SIFROMREG(val, MIPSInst_FS(ir)); if (put_user(val, va)) { - fpuemustats.errors++; + MIPS_FPU_EMU_INC_STATS(errors); return SIGBUS; } break; @@ -687,9 +690,9 @@ static int fpux_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx, va = (void __user *) (xcp->regs[MIPSInst_FR(ir)] + xcp->regs[MIPSInst_FT(ir)]); - fpuemustats.loads++; + MIPS_FPU_EMU_INC_STATS(loads); if (get_user(val, va)) { - fpuemustats.errors++; + MIPS_FPU_EMU_INC_STATS(errors); return SIGBUS; } DITOREG(val, MIPSInst_FD(ir)); @@ -699,10 +702,10 @@ static int fpux_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx, va = (void __user *) (xcp->regs[MIPSInst_FR(ir)] + xcp->regs[MIPSInst_FT(ir)]); - fpuemustats.stores++; + MIPS_FPU_EMU_INC_STATS(stores); DIFROMREG(val, MIPSInst_FS(ir)); if (put_user(val, va)) { - fpuemustats.errors++; + MIPS_FPU_EMU_INC_STATS(errors); return SIGBUS; } break; @@ -769,7 +772,7 @@ static int fpu_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx, #endif } rv; /* resulting value */ - fpuemustats.cp1ops++; + MIPS_FPU_EMU_INC_STATS(cp1ops); switch (rfmt = (MIPSInst_FFMT(ir) & 0xf)) { case s_fmt:{ /* 0 */ union { @@ -1240,7 +1243,7 @@ int fpu_emulator_cop1Handler(struct pt_regs *xcp, struct mips_fpu_struct *ctx, prevepc = xcp->cp0_epc; if (get_user(insn, (mips_instruction __user *) xcp->cp0_epc)) { - fpuemustats.errors++; + MIPS_FPU_EMU_INC_STATS(errors); return SIGBUS; } if (insn == 0) @@ -1276,33 +1279,50 @@ int fpu_emulator_cop1Handler(struct pt_regs *xcp, struct mips_fpu_struct *ctx, } #ifdef CONFIG_DEBUG_FS + +static int fpuemu_stat_get(void *data, u64 *val) +{ + int cpu; + unsigned long sum = 0; + for_each_online_cpu(cpu) { + struct mips_fpu_emulator_stats *ps; + local_t *pv; + ps = &per_cpu(fpuemustats, cpu); + pv = (void *)ps + (unsigned long)data; + sum += local_read(pv); + } + *val = sum; + return 0; +} +DEFINE_SIMPLE_ATTRIBUTE(fops_fpuemu_stat, fpuemu_stat_get, NULL, "%llu\n"); + extern struct dentry *mips_debugfs_dir; static int __init debugfs_fpuemu(void) { struct dentry *d, *dir; - int i; - static struct { - const char *name; - unsigned int *v; - } vars[] __initdata = { - { "emulated", &fpuemustats.emulated }, - { "loads", &fpuemustats.loads }, - { "stores", &fpuemustats.stores }, - { "cp1ops", &fpuemustats.cp1ops }, - { "cp1xops", &fpuemustats.cp1xops }, - { "errors", &fpuemustats.errors }, - }; if (!mips_debugfs_dir) return -ENODEV; dir = debugfs_create_dir("fpuemustats", mips_debugfs_dir); if (!dir) return -ENOMEM; - for (i = 0; i < ARRAY_SIZE(vars); i++) { - d = debugfs_create_u32(vars[i].name, S_IRUGO, dir, vars[i].v); - if (!d) - return -ENOMEM; - } + +#define FPU_STAT_CREATE(M) \ + do { \ + d = debugfs_create_file(#M , S_IRUGO, dir, \ + (void *)offsetof(struct mips_fpu_emulator_stats, M), \ + &fops_fpuemu_stat); \ + if (!d) \ + return -ENOMEM; \ + } while (0) + + FPU_STAT_CREATE(emulated); + FPU_STAT_CREATE(loads); + FPU_STAT_CREATE(stores); + FPU_STAT_CREATE(cp1ops); + FPU_STAT_CREATE(cp1xops); + FPU_STAT_CREATE(errors); + return 0; } __initcall(debugfs_fpuemu); diff --git a/arch/mips/math-emu/dsemul.c b/arch/mips/math-emu/dsemul.c index df7b9d928ef..36d975ae08f 100644 --- a/arch/mips/math-emu/dsemul.c +++ b/arch/mips/math-emu/dsemul.c @@ -98,7 +98,7 @@ int mips_dsemul(struct pt_regs *regs, mips_instruction ir, unsigned long cpc) err |= __put_user(cpc, &fr->epc); if (unlikely(err)) { - fpuemustats.errors++; + MIPS_FPU_EMU_INC_STATS(errors); return SIGBUS; } @@ -136,7 +136,7 @@ int do_dsemulret(struct pt_regs *xcp) err |= __get_user(cookie, &fr->cookie); if (unlikely(err || (insn != BREAK_MATH) || (cookie != BD_COOKIE))) { - fpuemustats.errors++; + MIPS_FPU_EMU_INC_STATS(errors); return 0; } diff --git a/arch/mips/mipssim/Makefile b/arch/mips/mipssim/Makefile index 57f43c1c788..41b96571315 100644 --- a/arch/mips/mipssim/Makefile +++ b/arch/mips/mipssim/Makefile @@ -17,8 +17,7 @@ # 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. # -obj-y := sim_platform.o sim_setup.o sim_mem.o sim_time.o sim_int.o \ - sim_cmdline.o +obj-y := sim_platform.o sim_setup.o sim_mem.o sim_time.o sim_int.o obj-$(CONFIG_EARLY_PRINTK) += sim_console.o obj-$(CONFIG_MIPS_MT_SMTC) += sim_smtc.o diff --git a/arch/mips/mipssim/sim_setup.c b/arch/mips/mipssim/sim_setup.c index 2877675c5f0..0824f6af477 100644 --- a/arch/mips/mipssim/sim_setup.c +++ b/arch/mips/mipssim/sim_setup.c @@ -61,7 +61,6 @@ void __init prom_init(void) set_io_port_base(0xbfd00000); pr_info("\nLINUX started...\n"); - prom_init_cmdline(); prom_meminit(); #ifdef CONFIG_MIPS_MT_SMP diff --git a/arch/mips/mm/cerr-sb1.c b/arch/mips/mm/cerr-sb1.c index 1bd1f18ac23..3571090ba17 100644 --- a/arch/mips/mm/cerr-sb1.c +++ b/arch/mips/mm/cerr-sb1.c @@ -567,13 +567,10 @@ static uint32_t extract_dc(unsigned short addr, int data) datalo = ((unsigned long long)datalohi << 32) | datalolo; ecc = dc_ecc(datalo); if (ecc != datahi) { - int bits = 0; + int bits; bad_ecc |= 1 << (3-offset); ecc ^= datahi; - while (ecc) { - if (ecc & 1) bits++; - ecc >>= 1; - } + bits = hweight8(ecc); res |= (bits == 1) ? CP0_CERRD_DATA_SBE : CP0_CERRD_DATA_DBE; } printk(" %02X-%016llX", datahi, datalo); diff --git a/arch/mips/mm/init.c b/arch/mips/mm/init.c index 8d1f4f36304..9e8d00389ee 100644 --- a/arch/mips/mm/init.c +++ b/arch/mips/mm/init.c @@ -462,7 +462,9 @@ void __init_refok free_initmem(void) __pa_symbol(&__init_end)); } +#ifndef CONFIG_MIPS_PGD_C0_CONTEXT unsigned long pgd_current[NR_CPUS]; +#endif /* * On 64-bit we've got three-level pagetables with a slightly * different layout ... diff --git a/arch/mips/mm/tlbex.c b/arch/mips/mm/tlbex.c index bb1719a55d2..3d0baa4a842 100644 --- a/arch/mips/mm/tlbex.c +++ b/arch/mips/mm/tlbex.c @@ -160,6 +160,12 @@ static u32 tlb_handler[128] __cpuinitdata; static struct uasm_label labels[128] __cpuinitdata; static struct uasm_reloc relocs[128] __cpuinitdata; +#ifndef CONFIG_MIPS_PGD_C0_CONTEXT +/* + * CONFIG_MIPS_PGD_C0_CONTEXT implies 64 bit and lack of pgd_current, + * we cannot do r3000 under these circumstances. + */ + /* * The R3000 TLB handler is simple. */ @@ -199,6 +205,7 @@ static void __cpuinit build_r3000_tlb_refill_handler(void) dump_handler((u32 *)ebase, 32); } +#endif /* CONFIG_MIPS_PGD_C0_CONTEXT */ /* * The R4000 TLB handler is much more complicated. We have two @@ -497,8 +504,9 @@ static void __cpuinit build_get_pmde64(u32 **p, struct uasm_label **l, struct uasm_reloc **r, unsigned int tmp, unsigned int ptr) { +#ifndef CONFIG_MIPS_PGD_C0_CONTEXT long pgdc = (long)pgd_current; - +#endif /* * The vmalloc handling is not in the hotpath. */ @@ -506,7 +514,15 @@ build_get_pmde64(u32 **p, struct uasm_label **l, struct uasm_reloc **r, uasm_il_bltz(p, r, tmp, label_vmalloc); /* No uasm_i_nop needed here, since the next insn doesn't touch TMP. */ -#ifdef CONFIG_SMP +#ifdef CONFIG_MIPS_PGD_C0_CONTEXT + /* + * &pgd << 11 stored in CONTEXT [23..63]. + */ + UASM_i_MFC0(p, ptr, C0_CONTEXT); + uasm_i_dins(p, ptr, 0, 0, 23); /* Clear lower 23 bits of context. */ + uasm_i_ori(p, ptr, ptr, 0x540); /* 1 0 1 0 1 << 6 xkphys cached */ + uasm_i_drotr(p, ptr, ptr, 11); +#elif defined(CONFIG_SMP) # ifdef CONFIG_MIPS_MT_SMTC /* * SMTC uses TCBind value as "CPU" index @@ -520,7 +536,7 @@ build_get_pmde64(u32 **p, struct uasm_label **l, struct uasm_reloc **r, */ uasm_i_dmfc0(p, ptr, C0_CONTEXT); uasm_i_dsrl(p, ptr, ptr, 23); -#endif +# endif UASM_i_LA_mostly(p, tmp, pgdc); uasm_i_daddu(p, ptr, ptr, tmp); uasm_i_dmfc0(p, tmp, C0_BADVADDR); @@ -1033,6 +1049,7 @@ build_pte_modifiable(u32 **p, struct uasm_reloc **r, iPTE_LW(p, pte, ptr); } +#ifndef CONFIG_MIPS_PGD_C0_CONTEXT /* * R3000 style TLB load/store/modify handlers. */ @@ -1184,6 +1201,7 @@ static void __cpuinit build_r3000_tlb_modify_handler(void) dump_handler(handle_tlbm, ARRAY_SIZE(handle_tlbm)); } +#endif /* CONFIG_MIPS_PGD_C0_CONTEXT */ /* * R4000 style TLB load/store/modify handlers. @@ -1400,6 +1418,7 @@ void __cpuinit build_tlb_refill_handler(void) case CPU_TX3912: case CPU_TX3922: case CPU_TX3927: +#ifndef CONFIG_MIPS_PGD_C0_CONTEXT build_r3000_tlb_refill_handler(); if (!run_once) { build_r3000_tlb_load_handler(); @@ -1407,6 +1426,9 @@ void __cpuinit build_tlb_refill_handler(void) build_r3000_tlb_modify_handler(); run_once++; } +#else + panic("No R3000 TLB refill handler"); +#endif break; case CPU_R6000: diff --git a/arch/mips/mm/uasm.c b/arch/mips/mm/uasm.c index f467199676a..0a165c5179a 100644 --- a/arch/mips/mm/uasm.c +++ b/arch/mips/mm/uasm.c @@ -60,11 +60,11 @@ enum opcode { insn_beql, insn_bgez, insn_bgezl, insn_bltz, insn_bltzl, insn_bne, insn_cache, insn_daddu, insn_daddiu, insn_dmfc0, insn_dmtc0, insn_dsll, insn_dsll32, insn_dsra, insn_dsrl, - insn_dsrl32, insn_dsubu, insn_eret, insn_j, insn_jal, insn_jr, - insn_ld, insn_ll, insn_lld, insn_lui, insn_lw, insn_mfc0, + insn_dsrl32, insn_drotr, insn_dsubu, insn_eret, insn_j, insn_jal, + insn_jr, insn_ld, insn_ll, insn_lld, insn_lui, insn_lw, insn_mfc0, insn_mtc0, insn_ori, insn_pref, insn_rfe, insn_sc, insn_scd, insn_sd, insn_sll, insn_sra, insn_srl, insn_subu, insn_sw, - insn_tlbp, insn_tlbwi, insn_tlbwr, insn_xor, insn_xori + insn_tlbp, insn_tlbwi, insn_tlbwr, insn_xor, insn_xori, insn_dins }; struct insn { @@ -104,6 +104,7 @@ static struct insn insn_table[] __cpuinitdata = { { insn_dsra, M(spec_op, 0, 0, 0, 0, dsra_op), RT | RD | RE }, { insn_dsrl, M(spec_op, 0, 0, 0, 0, dsrl_op), RT | RD | RE }, { insn_dsrl32, M(spec_op, 0, 0, 0, 0, dsrl32_op), RT | RD | RE }, + { insn_drotr, M(spec_op, 1, 0, 0, 0, dsrl_op), RT | RD | RE }, { insn_dsubu, M(spec_op, 0, 0, 0, 0, dsubu_op), RS | RT | RD }, { insn_eret, M(cop0_op, cop_op, 0, 0, 0, eret_op), 0 }, { insn_j, M(j_op, 0, 0, 0, 0, 0), JIMM }, @@ -132,6 +133,7 @@ static struct insn insn_table[] __cpuinitdata = { { insn_tlbwr, M(cop0_op, cop_op, 0, 0, 0, tlbwr_op), 0 }, { insn_xor, M(spec_op, 0, 0, 0, 0, xor_op), RS | RT | RD }, { insn_xori, M(xori_op, 0, 0, 0, 0, 0), RS | RT | UIMM }, + { insn_dins, M(spec3_op, 0, 0, 0, 0, dins_op), RS | RT | RD | RE }, { insn_invalid, 0, 0 } }; @@ -304,6 +306,12 @@ Ip_u2u1s3(op) \ build_insn(buf, insn##op, b, a, c); \ } +#define I_u2u1msbu3(op) \ +Ip_u2u1msbu3(op) \ +{ \ + build_insn(buf, insn##op, b, a, c+d-1, c); \ +} + #define I_u1u2(op) \ Ip_u1u2(op) \ { \ @@ -349,6 +357,7 @@ I_u2u1u3(_dsll32) I_u2u1u3(_dsra) I_u2u1u3(_dsrl) I_u2u1u3(_dsrl32) +I_u2u1u3(_drotr) I_u3u1u2(_dsubu) I_0(_eret) I_u1(_j) @@ -377,6 +386,7 @@ I_0(_tlbwi) I_0(_tlbwr) I_u3u1u2(_xor) I_u2u1u3(_xori) +I_u2u1msbu3(_dins); /* Handle labels. */ void __cpuinit uasm_build_label(struct uasm_label **lab, u32 *addr, int lid) diff --git a/arch/mips/mm/uasm.h b/arch/mips/mm/uasm.h index c6d1e3dd82d..3d153edaa51 100644 --- a/arch/mips/mm/uasm.h +++ b/arch/mips/mm/uasm.h @@ -34,6 +34,11 @@ uasm_i##op(u32 **buf, unsigned int a, signed int b, unsigned int c) void __cpuinit \ uasm_i##op(u32 **buf, unsigned int a, unsigned int b, signed int c) +#define Ip_u2u1msbu3(op) \ +void __cpuinit \ +uasm_i##op(u32 **buf, unsigned int a, unsigned int b, unsigned int c, \ + unsigned int d) + #define Ip_u1u2(op) \ void __cpuinit uasm_i##op(u32 **buf, unsigned int a, unsigned int b) @@ -65,6 +70,7 @@ Ip_u2u1u3(_dsll32); Ip_u2u1u3(_dsra); Ip_u2u1u3(_dsrl); Ip_u2u1u3(_dsrl32); +Ip_u2u1u3(_drotr); Ip_u3u1u2(_dsubu); Ip_0(_eret); Ip_u1(_j); @@ -93,6 +99,7 @@ Ip_0(_tlbwi); Ip_0(_tlbwr); Ip_u3u1u2(_xor); Ip_u2u1u3(_xori); +Ip_u2u1msbu3(_dins); /* Handle labels. */ struct uasm_label { diff --git a/arch/mips/mti-malta/malta-memory.c b/arch/mips/mti-malta/malta-memory.c index 9035c64bc5e..b27419c8491 100644 --- a/arch/mips/mti-malta/malta-memory.c +++ b/arch/mips/mti-malta/malta-memory.c @@ -55,7 +55,7 @@ static struct prom_pmemblock * __init prom_getmdesc(void) char *memsize_str; unsigned int memsize; char *ptr; - static char cmdline[CL_SIZE] __initdata; + static char cmdline[COMMAND_LINE_SIZE] __initdata; /* otherwise look in the environment */ memsize_str = prom_getenv("memsize"); diff --git a/arch/mips/nxp/pnx833x/common/interrupts.c b/arch/mips/nxp/pnx833x/common/interrupts.c index 30533ba200e..3a467c04f81 100644 --- a/arch/mips/nxp/pnx833x/common/interrupts.c +++ b/arch/mips/nxp/pnx833x/common/interrupts.c @@ -295,7 +295,7 @@ static int pnx833x_set_type_gpio_irq(unsigned int irq, unsigned int flow_type) } static struct irq_chip pnx833x_pic_irq_type = { - .typename = "PNX-PIC", + .name = "PNX-PIC", .startup = pnx833x_startup_pic_irq, .shutdown = pnx833x_shutdown_pic_irq, .enable = pnx833x_enable_pic_irq, @@ -305,7 +305,7 @@ static struct irq_chip pnx833x_pic_irq_type = { }; static struct irq_chip pnx833x_gpio_irq_type = { - .typename = "PNX-GPIO", + .name = "PNX-GPIO", .startup = pnx833x_startup_gpio_irq, .shutdown = pnx833x_disable_gpio_irq, .enable = pnx833x_enable_gpio_irq, diff --git a/arch/mips/oprofile/op_model_loongson2.c b/arch/mips/oprofile/op_model_loongson2.c index 575cd147347..475ff46712a 100644 --- a/arch/mips/oprofile/op_model_loongson2.c +++ b/arch/mips/oprofile/op_model_loongson2.c @@ -1,7 +1,7 @@ /* * Loongson2 performance counter driver for oprofile * - * Copyright (C) 2009 Lemote Inc. & Insititute of Computing Technology + * Copyright (C) 2009 Lemote Inc. * Author: Yanhua <yanh@lemote.com> * Author: Wu Zhangjin <wuzj@lemote.com> * @@ -125,6 +125,9 @@ static irqreturn_t loongson2_perfcount_handler(int irq, void *dev_id) */ /* Check whether the irq belongs to me */ + enabled = read_c0_perfcnt() & LOONGSON2_PERFCNT_INT_EN; + if (!enabled) + return IRQ_NONE; enabled = reg.cnt1_enabled | reg.cnt2_enabled; if (!enabled) return IRQ_NONE; diff --git a/arch/mips/pci/Makefile b/arch/mips/pci/Makefile index 91bfe73a7f6..c9209ca6c8e 100644 --- a/arch/mips/pci/Makefile +++ b/arch/mips/pci/Makefile @@ -22,13 +22,13 @@ obj-$(CONFIG_BCM63XX) += pci-bcm63xx.o fixup-bcm63xx.o \ # # These are still pretty much in the old state, watch, go blind. # -obj-$(CONFIG_BASLER_EXCITE) += ops-titan.o pci-excite.o fixup-excite.o obj-$(CONFIG_LASAT) += pci-lasat.o obj-$(CONFIG_MIPS_COBALT) += fixup-cobalt.o obj-$(CONFIG_SOC_AU1500) += fixup-au1000.o ops-au1000.o obj-$(CONFIG_SOC_AU1550) += fixup-au1000.o ops-au1000.o obj-$(CONFIG_SOC_PNX8550) += fixup-pnx8550.o ops-pnx8550.o -obj-$(CONFIG_LEMOTE_FULOONG2E) += fixup-fuloong2e.o ops-bonito64.o +obj-$(CONFIG_LEMOTE_FULOONG2E) += fixup-fuloong2e.o ops-loongson2.o +obj-$(CONFIG_LEMOTE_MACH2F) += fixup-lemote2f.o ops-loongson2.o obj-$(CONFIG_MIPS_MALTA) += fixup-malta.o obj-$(CONFIG_PMC_MSP7120_GW) += fixup-pmcmsp.o ops-pmcmsp.o obj-$(CONFIG_PMC_MSP7120_EVAL) += fixup-pmcmsp.o ops-pmcmsp.o diff --git a/arch/mips/pci/fixup-excite.c b/arch/mips/pci/fixup-excite.c deleted file mode 100644 index cd64d9f177c..00000000000 --- a/arch/mips/pci/fixup-excite.c +++ /dev/null @@ -1,36 +0,0 @@ -/* - * Copyright (C) 2004 by Basler Vision Technologies AG - * Author: Thomas Koeller <thomas.koeller@baslerweb.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/pci.h> -#include <excite.h> - -int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) -{ - if (pin == 0) - return -1; - - return USB_IRQ; /* USB controller is the only PCI device */ -} - -/* Do platform specific device initialization at pci_enable_device() time */ -int pcibios_plat_dev_init(struct pci_dev *dev) -{ - return 0; -} diff --git a/arch/mips/pci/fixup-fuloong2e.c b/arch/mips/pci/fixup-fuloong2e.c index 0c4c7a81213..4f6d8da07f9 100644 --- a/arch/mips/pci/fixup-fuloong2e.c +++ b/arch/mips/pci/fixup-fuloong2e.c @@ -13,7 +13,8 @@ */ #include <linux/init.h> #include <linux/pci.h> -#include <asm/mips-boards/bonito64.h> + +#include <loongson.h> /* South bridge slot number is set by the pci probe process */ static u8 sb_slot = 5; @@ -35,7 +36,7 @@ int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) break; } } else { - irq = BONITO_IRQ_BASE + 25 + pin; + irq = LOONGSON_IRQ_BASE + 25 + pin; } return irq; diff --git a/arch/mips/pci/fixup-lemote2f.c b/arch/mips/pci/fixup-lemote2f.c new file mode 100644 index 00000000000..caf2edeb02f --- /dev/null +++ b/arch/mips/pci/fixup-lemote2f.c @@ -0,0 +1,160 @@ +/* + * Copyright (C) 2008 Lemote Technology + * Copyright (C) 2004 ICT CAS + * Author: Li xiaoyu, lixy@ict.ac.cn + * + * Copyright (C) 2007 Lemote, Inc. + * Author: Fuxin Zhang, zhangfx@lemote.com + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ +#include <linux/init.h> +#include <linux/pci.h> + +#include <loongson.h> +#include <cs5536/cs5536.h> +#include <cs5536/cs5536_pci.h> + +/* PCI interrupt pins + * + * These should not be changed, or you should consider loongson2f interrupt + * register and your pci card dispatch + */ + +#define PCIA 4 +#define PCIB 5 +#define PCIC 6 +#define PCID 7 + +/* all the pci device has the PCIA pin, check the datasheet. */ +static char irq_tab[][5] __initdata = { + /* INTA INTB INTC INTD */ + {0, 0, 0, 0, 0}, /* 11: Unused */ + {0, 0, 0, 0, 0}, /* 12: Unused */ + {0, 0, 0, 0, 0}, /* 13: Unused */ + {0, 0, 0, 0, 0}, /* 14: Unused */ + {0, 0, 0, 0, 0}, /* 15: Unused */ + {0, 0, 0, 0, 0}, /* 16: Unused */ + {0, PCIA, 0, 0, 0}, /* 17: RTL8110-0 */ + {0, PCIB, 0, 0, 0}, /* 18: RTL8110-1 */ + {0, PCIC, 0, 0, 0}, /* 19: SiI3114 */ + {0, PCID, 0, 0, 0}, /* 20: 3-ports nec usb */ + {0, PCIA, PCIB, PCIC, PCID}, /* 21: PCI-SLOT */ + {0, 0, 0, 0, 0}, /* 22: Unused */ + {0, 0, 0, 0, 0}, /* 23: Unused */ + {0, 0, 0, 0, 0}, /* 24: Unused */ + {0, 0, 0, 0, 0}, /* 25: Unused */ + {0, 0, 0, 0, 0}, /* 26: Unused */ + {0, 0, 0, 0, 0}, /* 27: Unused */ +}; + +int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) +{ + int virq; + + if ((PCI_SLOT(dev->devfn) != PCI_IDSEL_CS5536) + && (PCI_SLOT(dev->devfn) < 32)) { + virq = irq_tab[slot][pin]; + printk(KERN_INFO "slot: %d, pin: %d, irq: %d\n", slot, pin, + virq + LOONGSON_IRQ_BASE); + if (virq != 0) + return LOONGSON_IRQ_BASE + virq; + else + return 0; + } else if (PCI_SLOT(dev->devfn) == PCI_IDSEL_CS5536) { /* cs5536 */ + switch (PCI_FUNC(dev->devfn)) { + case 2: + pci_write_config_byte(dev, PCI_INTERRUPT_LINE, + CS5536_IDE_INTR); + return CS5536_IDE_INTR; /* for IDE */ + case 3: + pci_write_config_byte(dev, PCI_INTERRUPT_LINE, + CS5536_ACC_INTR); + return CS5536_ACC_INTR; /* for AUDIO */ + case 4: /* for OHCI */ + case 5: /* for EHCI */ + case 6: /* for UDC */ + case 7: /* for OTG */ + pci_write_config_byte(dev, PCI_INTERRUPT_LINE, + CS5536_USB_INTR); + return CS5536_USB_INTR; + } + return dev->irq; + } else { + printk(KERN_INFO " strange pci slot number.\n"); + return 0; + } +} + +/* Do platform specific device initialization at pci_enable_device() time */ +int pcibios_plat_dev_init(struct pci_dev *dev) +{ + return 0; +} + +/* CS5536 SPEC. fixup */ +static void __init loongson_cs5536_isa_fixup(struct pci_dev *pdev) +{ + /* the uart1 and uart2 interrupt in PIC is enabled as default */ + pci_write_config_dword(pdev, PCI_UART1_INT_REG, 1); + pci_write_config_dword(pdev, PCI_UART2_INT_REG, 1); +} + +static void __init loongson_cs5536_ide_fixup(struct pci_dev *pdev) +{ + /* setting the mutex pin as IDE function */ + pci_write_config_dword(pdev, PCI_IDE_CFG_REG, + CS5536_IDE_FLASH_SIGNATURE); +} + +static void __init loongson_cs5536_acc_fixup(struct pci_dev *pdev) +{ + /* enable the AUDIO interrupt in PIC */ + pci_write_config_dword(pdev, PCI_ACC_INT_REG, 1); + + pci_write_config_byte(pdev, PCI_LATENCY_TIMER, 0xc0); +} + +static void __init loongson_cs5536_ohci_fixup(struct pci_dev *pdev) +{ + /* enable the OHCI interrupt in PIC */ + /* THE OHCI, EHCI, UDC, OTG are shared with interrupt in PIC */ + pci_write_config_dword(pdev, PCI_OHCI_INT_REG, 1); +} + +static void __init loongson_cs5536_ehci_fixup(struct pci_dev *pdev) +{ + u32 hi, lo; + + /* Serial short detect enable */ + _rdmsr(USB_MSR_REG(USB_CONFIG), &hi, &lo); + _wrmsr(USB_MSR_REG(USB_CONFIG), (1 << 1) | (1 << 2) | (1 << 3), lo); + + /* setting the USB2.0 micro frame length */ + pci_write_config_dword(pdev, PCI_EHCI_FLADJ_REG, 0x2000); +} + +static void __init loongson_nec_fixup(struct pci_dev *pdev) +{ + unsigned int val; + + pci_read_config_dword(pdev, 0xe0, &val); + /* Only 2 port be used */ + pci_write_config_dword(pdev, 0xe0, (val & ~3) | 0x2); +} + +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_CS5536_ISA, + loongson_cs5536_isa_fixup); +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_CS5536_OHC, + loongson_cs5536_ohci_fixup); +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_CS5536_EHC, + loongson_cs5536_ehci_fixup); +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_CS5536_AUDIO, + loongson_cs5536_acc_fixup); +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_CS5536_IDE, + loongson_cs5536_ide_fixup); +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_NEC, PCI_DEVICE_ID_NEC_USB, + loongson_nec_fixup); diff --git a/arch/mips/pci/ops-bonito64.c b/arch/mips/pci/ops-bonito64.c index 54e55e7a243..1b3e03f20c5 100644 --- a/arch/mips/pci/ops-bonito64.c +++ b/arch/mips/pci/ops-bonito64.c @@ -29,13 +29,8 @@ #define PCI_ACCESS_READ 0 #define PCI_ACCESS_WRITE 1 -#ifdef CONFIG_LEMOTE_FULOONG2E -#define CFG_SPACE_REG(offset) (void *)CKSEG1ADDR(BONITO_PCICFG_BASE | (offset)) -#define ID_SEL_BEGIN 11 -#else #define CFG_SPACE_REG(offset) (void *)CKSEG1ADDR(_pcictrl_bonito_pcicfg + (offset)) #define ID_SEL_BEGIN 10 -#endif #define MAX_DEV_NUM (31 - ID_SEL_BEGIN) @@ -77,10 +72,8 @@ static int bonito64_pcibios_config_access(unsigned char access_type, addrp = CFG_SPACE_REG(addr & 0xffff); if (access_type == PCI_ACCESS_WRITE) { writel(cpu_to_le32(*data), addrp); -#ifndef CONFIG_LEMOTE_FULOONG2E /* Wait till done */ while (BONITO_PCIMSTAT & 0xF); -#endif } else { *data = le32_to_cpu(readl(addrp)); } diff --git a/arch/mips/pci/ops-loongson2.c b/arch/mips/pci/ops-loongson2.c new file mode 100644 index 00000000000..aa5d3da2721 --- /dev/null +++ b/arch/mips/pci/ops-loongson2.c @@ -0,0 +1,208 @@ +/* + * fuloong2e specific PCI support. + * + * Copyright (C) 1999, 2000, 2004 MIPS Technologies, Inc. + * All rights reserved. + * Authors: Carsten Langgaard <carstenl@mips.com> + * Maciej W. Rozycki <macro@mips.com> + * + * Copyright (C) 2009 Lemote Inc. + * Author: Wu Zhangjin <wuzj@lemote.com> + * + * This program is free software; you can distribute it and/or modify it + * under the terms of the GNU General Public License (Version 2) as + * published by the Free Software Foundation. + */ +#include <linux/types.h> +#include <linux/pci.h> +#include <linux/kernel.h> +#include <linux/init.h> + +#include <loongson.h> + +#ifdef CONFIG_CS5536 +#include <cs5536/cs5536_pci.h> +#include <cs5536/cs5536.h> +#endif + +#define PCI_ACCESS_READ 0 +#define PCI_ACCESS_WRITE 1 + +#define CFG_SPACE_REG(offset) \ + (void *)CKSEG1ADDR(LOONGSON_PCICFG_BASE | (offset)) +#define ID_SEL_BEGIN 11 +#define MAX_DEV_NUM (31 - ID_SEL_BEGIN) + + +static int loongson_pcibios_config_access(unsigned char access_type, + struct pci_bus *bus, + unsigned int devfn, int where, + u32 *data) +{ + u32 busnum = bus->number; + u32 addr, type; + u32 dummy; + void *addrp; + int device = PCI_SLOT(devfn); + int function = PCI_FUNC(devfn); + int reg = where & ~3; + + if (busnum == 0) { + /* board-specific part,currently,only fuloong2f,yeeloong2f + * use CS5536, fuloong2e use via686b, gdium has no + * south bridge + */ +#ifdef CONFIG_CS5536 + /* cs5536_pci_conf_read4/write4() will call _rdmsr/_wrmsr() to + * access the regsters PCI_MSR_ADDR, PCI_MSR_DATA_LO, + * PCI_MSR_DATA_HI, which is bigger than PCI_MSR_CTRL, so, it + * will not go this branch, but the others. so, no calling dead + * loop here. + */ + if ((PCI_IDSEL_CS5536 == device) && (reg < PCI_MSR_CTRL)) { + switch (access_type) { + case PCI_ACCESS_READ: + *data = cs5536_pci_conf_read4(function, reg); + break; + case PCI_ACCESS_WRITE: + cs5536_pci_conf_write4(function, reg, *data); + break; + } + return 0; + } +#endif + /* Type 0 configuration for onboard PCI bus */ + if (device > MAX_DEV_NUM) + return -1; + + addr = (1 << (device + ID_SEL_BEGIN)) | (function << 8) | reg; + type = 0; + } else { + /* Type 1 configuration for offboard PCI bus */ + addr = (busnum << 16) | (device << 11) | (function << 8) | reg; + type = 0x10000; + } + + /* Clear aborts */ + LOONGSON_PCICMD |= LOONGSON_PCICMD_MABORT_CLR | \ + LOONGSON_PCICMD_MTABORT_CLR; + + LOONGSON_PCIMAP_CFG = (addr >> 16) | type; + + /* Flush Bonito register block */ + dummy = LOONGSON_PCIMAP_CFG; + mmiowb(); + + addrp = CFG_SPACE_REG(addr & 0xffff); + if (access_type == PCI_ACCESS_WRITE) + writel(cpu_to_le32(*data), addrp); + else + *data = le32_to_cpu(readl(addrp)); + + /* Detect Master/Target abort */ + if (LOONGSON_PCICMD & (LOONGSON_PCICMD_MABORT_CLR | + LOONGSON_PCICMD_MTABORT_CLR)) { + /* Error occurred */ + + /* Clear bits */ + LOONGSON_PCICMD |= (LOONGSON_PCICMD_MABORT_CLR | + LOONGSON_PCICMD_MTABORT_CLR); + + return -1; + } + + return 0; + +} + + +/* + * We can't address 8 and 16 bit words directly. Instead we have to + * read/write a 32bit word and mask/modify the data we actually want. + */ +static int loongson_pcibios_read(struct pci_bus *bus, unsigned int devfn, + int where, int size, u32 *val) +{ + u32 data = 0; + + if ((size == 2) && (where & 1)) + return PCIBIOS_BAD_REGISTER_NUMBER; + else if ((size == 4) && (where & 3)) + return PCIBIOS_BAD_REGISTER_NUMBER; + + if (loongson_pcibios_config_access(PCI_ACCESS_READ, bus, devfn, where, + &data)) + return -1; + + if (size == 1) + *val = (data >> ((where & 3) << 3)) & 0xff; + else if (size == 2) + *val = (data >> ((where & 3) << 3)) & 0xffff; + else + *val = data; + + return PCIBIOS_SUCCESSFUL; +} + +static int loongson_pcibios_write(struct pci_bus *bus, unsigned int devfn, + int where, int size, u32 val) +{ + u32 data = 0; + + if ((size == 2) && (where & 1)) + return PCIBIOS_BAD_REGISTER_NUMBER; + else if ((size == 4) && (where & 3)) + return PCIBIOS_BAD_REGISTER_NUMBER; + + if (size == 4) + data = val; + else { + if (loongson_pcibios_config_access(PCI_ACCESS_READ, bus, devfn, + where, &data)) + return -1; + + if (size == 1) + data = (data & ~(0xff << ((where & 3) << 3))) | + (val << ((where & 3) << 3)); + else if (size == 2) + data = (data & ~(0xffff << ((where & 3) << 3))) | + (val << ((where & 3) << 3)); + } + + if (loongson_pcibios_config_access(PCI_ACCESS_WRITE, bus, devfn, where, + &data)) + return -1; + + return PCIBIOS_SUCCESSFUL; +} + +struct pci_ops loongson_pci_ops = { + .read = loongson_pcibios_read, + .write = loongson_pcibios_write +}; + +#ifdef CONFIG_CS5536 +void _rdmsr(u32 msr, u32 *hi, u32 *lo) +{ + struct pci_bus bus = { + .number = PCI_BUS_CS5536 + }; + u32 devfn = PCI_DEVFN(PCI_IDSEL_CS5536, 0); + loongson_pcibios_write(&bus, devfn, PCI_MSR_ADDR, 4, msr); + loongson_pcibios_read(&bus, devfn, PCI_MSR_DATA_LO, 4, lo); + loongson_pcibios_read(&bus, devfn, PCI_MSR_DATA_HI, 4, hi); +} +EXPORT_SYMBOL(_rdmsr); + +void _wrmsr(u32 msr, u32 hi, u32 lo) +{ + struct pci_bus bus = { + .number = PCI_BUS_CS5536 + }; + u32 devfn = PCI_DEVFN(PCI_IDSEL_CS5536, 0); + loongson_pcibios_write(&bus, devfn, PCI_MSR_ADDR, 4, msr); + loongson_pcibios_write(&bus, devfn, PCI_MSR_DATA_LO, 4, lo); + loongson_pcibios_write(&bus, devfn, PCI_MSR_DATA_HI, 4, hi); +} +EXPORT_SYMBOL(_wrmsr); +#endif diff --git a/arch/mips/pci/pci-excite.c b/arch/mips/pci/pci-excite.c deleted file mode 100644 index 8a56876afcc..00000000000 --- a/arch/mips/pci/pci-excite.c +++ /dev/null @@ -1,149 +0,0 @@ -/* - * Copyright (C) 2004 by Basler Vision Technologies AG - * Author: Thomas Koeller <thomas.koeller@baslerweb.com> - * Based on the PMC-Sierra Yosemite board support by Ralf Baechle. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ -#include <linux/init.h> -#include <linux/kernel.h> -#include <linux/types.h> -#include <linux/pci.h> -#include <linux/bitops.h> -#include <asm/rm9k-ocd.h> -#include <excite.h> - - -extern struct pci_ops titan_pci_ops; - - -static struct resource - mem_resource = { - .name = "PCI memory", - .start = EXCITE_PHYS_PCI_MEM, - .end = EXCITE_PHYS_PCI_MEM + EXCITE_SIZE_PCI_MEM - 1, - .flags = IORESOURCE_MEM - }, - io_resource = { - .name = "PCI I/O", - .start = EXCITE_PHYS_PCI_IO, - .end = EXCITE_PHYS_PCI_IO + EXCITE_SIZE_PCI_IO - 1, - .flags = IORESOURCE_IO - }; - - -static struct pci_controller bx_controller = { - .pci_ops = &titan_pci_ops, - .mem_resource = &mem_resource, - .mem_offset = 0x00000000UL, - .io_resource = &io_resource, - .io_offset = 0x00000000UL -}; - - -static char - iopage_failed[] __initdata = "Cannot allocate PCI I/O page", - modebits_no_pci[] __initdata = "PCI is not configured in mode bits"; - -#define RM9000x2_OCD_HTSC 0x0604 -#define RM9000x2_OCD_HTBHL 0x060c -#define RM9000x2_OCD_PCIHRST 0x078c - -#define RM9K_OCD_MODEBIT1 0x00d4 /* (MODEBIT1) Mode Bit 1 */ -#define RM9K_OCD_CPHDCR 0x00f4 /* CPU-PCI/HT Data Control. */ - -#define PCISC_FB2B 0x00000200 -#define PCISC_MWICG 0x00000010 -#define PCISC_EMC 0x00000004 -#define PCISC_ERMA 0x00000002 - - - -static int __init basler_excite_pci_setup(void) -{ - const unsigned int fullbars = memsize / (256 << 20); - unsigned int i; - - /* Check modebits to see if PCI is really enabled. */ - if (!((ocd_readl(RM9K_OCD_MODEBIT1) >> (47-32)) & 0x1)) - panic(modebits_no_pci); - - if (NULL == request_mem_region(EXCITE_PHYS_PCI_IO, EXCITE_SIZE_PCI_IO, - "Memory-mapped PCI I/O page")) - panic(iopage_failed); - - /* Enable PCI 0 as master for config cycles */ - ocd_writel(PCISC_EMC | PCISC_ERMA, RM9000x2_OCD_HTSC); - - - /* Set up latency timer */ - ocd_writel(0x8008, RM9000x2_OCD_HTBHL); - - /* Setup host IO and Memory space */ - ocd_writel((EXCITE_PHYS_PCI_IO >> 4) | 1, LKB7); - ocd_writel(((EXCITE_SIZE_PCI_IO >> 4) & 0x7fffff00) - 0x100, LKM7); - ocd_writel((EXCITE_PHYS_PCI_MEM >> 4) | 1, LKB8); - ocd_writel(((EXCITE_SIZE_PCI_MEM >> 4) & 0x7fffff00) - 0x100, LKM8); - - /* Set up PCI BARs to map all installed memory */ - for (i = 0; i < 6; i++) { - const unsigned int bar = 0x610 + i * 4; - - if (i < fullbars) { - ocd_writel(0x10000000 * i, bar); - ocd_writel(0x01000000 * i, bar + 0x140); - ocd_writel(0x0ffff029, bar + 0x100); - continue; - } - - if (i == fullbars) { - int o; - u32 mask; - - const unsigned long rem = memsize - i * 0x10000000; - if (!rem) { - ocd_writel(0x00000000, bar + 0x100); - continue; - } - - o = ffs(rem) - 1; - if (rem & ~(0x1 << o)) - o++; - mask = ((0x1 << o) & 0x0ffff000) - 0x1000; - ocd_writel(0x10000000 * i, bar); - ocd_writel(0x01000000 * i, bar + 0x140); - ocd_writel(0x00000029 | mask, bar + 0x100); - continue; - } - - ocd_writel(0x00000000, bar + 0x100); - } - - /* Finally, enable the PCI interrupt */ -#if USB_IRQ > 7 - set_c0_intcontrol(1 << USB_IRQ); -#else - set_c0_status(1 << (USB_IRQ + 8)); -#endif - - ioport_resource.start = EXCITE_PHYS_PCI_IO; - ioport_resource.end = EXCITE_PHYS_PCI_IO + EXCITE_SIZE_PCI_IO - 1; - set_io_port_base((unsigned long) ioremap_nocache(EXCITE_PHYS_PCI_IO, EXCITE_SIZE_PCI_IO)); - register_pci_controller(&bx_controller); - return 0; -} - - -arch_initcall(basler_excite_pci_setup); diff --git a/arch/mips/powertv/Kconfig b/arch/mips/powertv/Kconfig new file mode 100644 index 00000000000..ff0e7e3e695 --- /dev/null +++ b/arch/mips/powertv/Kconfig @@ -0,0 +1,21 @@ +source "arch/mips/powertv/asic/Kconfig" + +config BOOTLOADER_DRIVER + bool "PowerTV Bootloader Driver Support" + default n + depends on POWERTV + help + Use this option if you want to load bootloader driver. + +config BOOTLOADER_FAMILY + string "POWERTV Bootloader Family string" + default "85" + depends on POWERTV && !BOOTLOADER_DRIVER + help + This value should be specified when the bootloader driver is disabled + and must be exactly two characters long. Families supported are: + R1 - RNG-100 R2 - RNG-200 + A1 - Class A B1 - Class B + E1 - Class E F1 - Class F + 44 - 45xx 46 - 46xx + 85 - 85xx 86 - 86xx diff --git a/arch/mips/powertv/Makefile b/arch/mips/powertv/Makefile new file mode 100644 index 00000000000..2c516718aff --- /dev/null +++ b/arch/mips/powertv/Makefile @@ -0,0 +1,28 @@ +# +# Carsten Langgaard, carstenl@mips.com +# Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved. +# +# Carsten Langgaard, carstenl@mips.com +# Copyright (C) 2000 MIPS Technologies, Inc. All rights reserved. +# Portions copyright (C) 2009 Cisco Systems, Inc. +# +# This program is free software; you can distribute it and/or modify it +# under the terms of the GNU General Public License (Version 2) as +# published by the Free Software Foundation. +# +# This program is distributed in the hope it will be useful, but WITHOUT +# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or +# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +# for more details. +# +# You should have received a copy of the GNU General Public License along +# with this program; if not, write to the Free Software Foundation, Inc., +# 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. +# +# Makefile for the Cisco PowerTV-specific kernel interface routines +# under Linux. +# + +obj-y += cmdline.o init.o memory.o reset.o time.o powertv_setup.o asic/ pci/ + +EXTRA_CFLAGS += -Wall -Werror diff --git a/arch/mips/powertv/asic/Kconfig b/arch/mips/powertv/asic/Kconfig new file mode 100644 index 00000000000..2016bfe94d6 --- /dev/null +++ b/arch/mips/powertv/asic/Kconfig @@ -0,0 +1,28 @@ +config MIN_RUNTIME_RESOURCES + bool "Support for minimum runtime resources" + default n + depends on POWERTV + help + Enables support for minimizing the number of (SA asic) runtime + resources that are preallocated by the kernel. + +config MIN_RUNTIME_DOCSIS + bool "Support for minimum DOCSIS resource" + default y + depends on MIN_RUNTIME_RESOURCES + help + Enables support for the preallocated DOCSIS resource. + +config MIN_RUNTIME_PMEM + bool "Support for minimum PMEM resource" + default y + depends on MIN_RUNTIME_RESOURCES + help + Enables support for the preallocated Memory resource. + +config MIN_RUNTIME_TFTP + bool "Support for minimum TFTP resource" + default y + depends on MIN_RUNTIME_RESOURCES + help + Enables support for the preallocated TFTP resource. diff --git a/arch/mips/powertv/asic/Makefile b/arch/mips/powertv/asic/Makefile new file mode 100644 index 00000000000..bebfdcff044 --- /dev/null +++ b/arch/mips/powertv/asic/Makefile @@ -0,0 +1,23 @@ +# +# Copyright (C) 2009 Scientific-Atlanta, Inc. +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +# + +obj-y += asic-calliope.o asic-cronus.o asic-zeus.o asic_devices.o asic_int.o \ + irq_asic.o prealloc-calliope.o prealloc-cronus.o \ + prealloc-cronuslite.o prealloc-zeus.o + +EXTRA_CFLAGS += -Wall -Werror diff --git a/arch/mips/powertv/asic/asic-calliope.c b/arch/mips/powertv/asic/asic-calliope.c new file mode 100644 index 00000000000..03d3884c627 --- /dev/null +++ b/arch/mips/powertv/asic/asic-calliope.c @@ -0,0 +1,98 @@ +/* + * Locations of devices in the Calliope ASIC. + * + * Copyright (C) 2005-2009 Scientific-Atlanta, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * + * Author: Ken Eppinett + * David Schleef <ds@schleef.org> + * + * Description: Defines the platform resources for the SA settop. + */ + +#include <asm/mach-powertv/asic.h> + +const struct register_map calliope_register_map = { + .eic_slow0_strt_add = 0x800000, + .eic_cfg_bits = 0x800038, + .eic_ready_status = 0x80004c, + + .chipver3 = 0xA00800, + .chipver2 = 0xA00804, + .chipver1 = 0xA00808, + .chipver0 = 0xA0080c, + + /* The registers of IRBlaster */ + .uart1_intstat = 0xA01800, + .uart1_inten = 0xA01804, + .uart1_config1 = 0xA01808, + .uart1_config2 = 0xA0180C, + .uart1_divisorhi = 0xA01810, + .uart1_divisorlo = 0xA01814, + .uart1_data = 0xA01818, + .uart1_status = 0xA0181C, + + .int_stat_3 = 0xA02800, + .int_stat_2 = 0xA02804, + .int_stat_1 = 0xA02808, + .int_stat_0 = 0xA0280c, + .int_config = 0xA02810, + .int_int_scan = 0xA02818, + .ien_int_3 = 0xA02830, + .ien_int_2 = 0xA02834, + .ien_int_1 = 0xA02838, + .ien_int_0 = 0xA0283c, + .int_level_3_3 = 0xA02880, + .int_level_3_2 = 0xA02884, + .int_level_3_1 = 0xA02888, + .int_level_3_0 = 0xA0288c, + .int_level_2_3 = 0xA02890, + .int_level_2_2 = 0xA02894, + .int_level_2_1 = 0xA02898, + .int_level_2_0 = 0xA0289c, + .int_level_1_3 = 0xA028a0, + .int_level_1_2 = 0xA028a4, + .int_level_1_1 = 0xA028a8, + .int_level_1_0 = 0xA028ac, + .int_level_0_3 = 0xA028b0, + .int_level_0_2 = 0xA028b4, + .int_level_0_1 = 0xA028b8, + .int_level_0_0 = 0xA028bc, + .int_docsis_en = 0xA028F4, + + .mips_pll_setup = 0x980000, + .usb_fs = 0x980030, /* -default 72800028- */ + .test_bus = 0x9800CC, + .crt_spare = 0x9800d4, + .usb2_ohci_int_mask = 0x9A000c, + .usb2_strap = 0x9A0014, + .ehci_hcapbase = 0x9BFE00, + .ohci_hc_revision = 0x9BFC00, + .bcm1_bs_lmi_steer = 0x9E0004, + .usb2_control = 0x9E0054, + .usb2_stbus_obc = 0x9BFF00, + .usb2_stbus_mess_size = 0x9BFF04, + .usb2_stbus_chunk_size = 0x9BFF08, + + .pcie_regs = 0x000000, /* -doesn't exist- */ + .tim_ch = 0xA02C10, + .tim_cl = 0xA02C14, + .gpio_dout = 0xA02c20, + .gpio_din = 0xA02c24, + .gpio_dir = 0xA02c2C, + .watchdog = 0xA02c30, + .front_panel = 0x000000, /* -not used- */ +}; diff --git a/arch/mips/powertv/asic/asic-cronus.c b/arch/mips/powertv/asic/asic-cronus.c new file mode 100644 index 00000000000..5f4589c9f83 --- /dev/null +++ b/arch/mips/powertv/asic/asic-cronus.c @@ -0,0 +1,98 @@ +/* + * Locations of devices in the Cronus ASIC + * + * Copyright (C) 2005-2009 Scientific-Atlanta, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * + * Author: Ken Eppinett + * David Schleef <ds@schleef.org> + * + * Description: Defines the platform resources for the SA settop. + */ + +#include <asm/mach-powertv/asic.h> + +const struct register_map cronus_register_map = { + .eic_slow0_strt_add = 0x000000, + .eic_cfg_bits = 0x000038, + .eic_ready_status = 0x00004C, + + .chipver3 = 0x2A0800, + .chipver2 = 0x2A0804, + .chipver1 = 0x2A0808, + .chipver0 = 0x2A080C, + + /* The registers of IRBlaster */ + .uart1_intstat = 0x2A1800, + .uart1_inten = 0x2A1804, + .uart1_config1 = 0x2A1808, + .uart1_config2 = 0x2A180C, + .uart1_divisorhi = 0x2A1810, + .uart1_divisorlo = 0x2A1814, + .uart1_data = 0x2A1818, + .uart1_status = 0x2A181C, + + .int_stat_3 = 0x2A2800, + .int_stat_2 = 0x2A2804, + .int_stat_1 = 0x2A2808, + .int_stat_0 = 0x2A280C, + .int_config = 0x2A2810, + .int_int_scan = 0x2A2818, + .ien_int_3 = 0x2A2830, + .ien_int_2 = 0x2A2834, + .ien_int_1 = 0x2A2838, + .ien_int_0 = 0x2A283C, + .int_level_3_3 = 0x2A2880, + .int_level_3_2 = 0x2A2884, + .int_level_3_1 = 0x2A2888, + .int_level_3_0 = 0x2A288C, + .int_level_2_3 = 0x2A2890, + .int_level_2_2 = 0x2A2894, + .int_level_2_1 = 0x2A2898, + .int_level_2_0 = 0x2A289C, + .int_level_1_3 = 0x2A28A0, + .int_level_1_2 = 0x2A28A4, + .int_level_1_1 = 0x2A28A8, + .int_level_1_0 = 0x2A28AC, + .int_level_0_3 = 0x2A28B0, + .int_level_0_2 = 0x2A28B4, + .int_level_0_1 = 0x2A28B8, + .int_level_0_0 = 0x2A28BC, + .int_docsis_en = 0x2A28F4, + + .mips_pll_setup = 0x1C0000, + .usb_fs = 0x1C0018, + .test_bus = 0x1C00CC, + .crt_spare = 0x1c00d4, + .usb2_ohci_int_mask = 0x20000C, + .usb2_strap = 0x200014, + .ehci_hcapbase = 0x21FE00, + .ohci_hc_revision = 0x1E0000, + .bcm1_bs_lmi_steer = 0x2E0008, + .usb2_control = 0x2E004C, + .usb2_stbus_obc = 0x21FF00, + .usb2_stbus_mess_size = 0x21FF04, + .usb2_stbus_chunk_size = 0x21FF08, + + .pcie_regs = 0x220000, + .tim_ch = 0x2A2C10, + .tim_cl = 0x2A2C14, + .gpio_dout = 0x2A2C20, + .gpio_din = 0x2A2C24, + .gpio_dir = 0x2A2C2C, + .watchdog = 0x2A2C30, + .front_panel = 0x2A3800, +}; diff --git a/arch/mips/powertv/asic/asic-zeus.c b/arch/mips/powertv/asic/asic-zeus.c new file mode 100644 index 00000000000..1469daab920 --- /dev/null +++ b/arch/mips/powertv/asic/asic-zeus.c @@ -0,0 +1,98 @@ +/* + * Locations of devices in the Zeus ASIC + * + * Copyright (C) 2005-2009 Scientific-Atlanta, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * + * Author: Ken Eppinett + * David Schleef <ds@schleef.org> + * + * Description: Defines the platform resources for the SA settop. + */ + +#include <asm/mach-powertv/asic.h> + +const struct register_map zeus_register_map = { + .eic_slow0_strt_add = 0x000000, + .eic_cfg_bits = 0x000038, + .eic_ready_status = 0x00004c, + + .chipver3 = 0x280800, + .chipver2 = 0x280804, + .chipver1 = 0x280808, + .chipver0 = 0x28080c, + + /* The registers of IRBlaster */ + .uart1_intstat = 0x281800, + .uart1_inten = 0x281804, + .uart1_config1 = 0x281808, + .uart1_config2 = 0x28180C, + .uart1_divisorhi = 0x281810, + .uart1_divisorlo = 0x281814, + .uart1_data = 0x281818, + .uart1_status = 0x28181C, + + .int_stat_3 = 0x282800, + .int_stat_2 = 0x282804, + .int_stat_1 = 0x282808, + .int_stat_0 = 0x28280c, + .int_config = 0x282810, + .int_int_scan = 0x282818, + .ien_int_3 = 0x282830, + .ien_int_2 = 0x282834, + .ien_int_1 = 0x282838, + .ien_int_0 = 0x28283c, + .int_level_3_3 = 0x282880, + .int_level_3_2 = 0x282884, + .int_level_3_1 = 0x282888, + .int_level_3_0 = 0x28288c, + .int_level_2_3 = 0x282890, + .int_level_2_2 = 0x282894, + .int_level_2_1 = 0x282898, + .int_level_2_0 = 0x28289c, + .int_level_1_3 = 0x2828a0, + .int_level_1_2 = 0x2828a4, + .int_level_1_1 = 0x2828a8, + .int_level_1_0 = 0x2828ac, + .int_level_0_3 = 0x2828b0, + .int_level_0_2 = 0x2828b4, + .int_level_0_1 = 0x2828b8, + .int_level_0_0 = 0x2828bc, + .int_docsis_en = 0x2828F4, + + .mips_pll_setup = 0x1a0000, + .usb_fs = 0x1a0018, + .test_bus = 0x1a0238, + .crt_spare = 0x1a0090, + .usb2_ohci_int_mask = 0x1e000c, + .usb2_strap = 0x1e0014, + .ehci_hcapbase = 0x1FFE00, + .ohci_hc_revision = 0x1FFC00, + .bcm1_bs_lmi_steer = 0x2C0008, + .usb2_control = 0x2c01a0, + .usb2_stbus_obc = 0x1FFF00, + .usb2_stbus_mess_size = 0x1FFF04, + .usb2_stbus_chunk_size = 0x1FFF08, + + .pcie_regs = 0x200000, + .tim_ch = 0x282C10, + .tim_cl = 0x282C14, + .gpio_dout = 0x282c20, + .gpio_din = 0x282c24, + .gpio_dir = 0x282c2C, + .watchdog = 0x282c30, + .front_panel = 0x283800, +}; diff --git a/arch/mips/powertv/asic/asic_devices.c b/arch/mips/powertv/asic/asic_devices.c new file mode 100644 index 00000000000..bae82880b6b --- /dev/null +++ b/arch/mips/powertv/asic/asic_devices.c @@ -0,0 +1,787 @@ +/* + * ASIC Device List Intialization + * + * Description: Defines the platform resources for the SA settop. + * + * Copyright (C) 2005-2009 Scientific-Atlanta, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * + * Author: Ken Eppinett + * David Schleef <ds@schleef.org> + * + * Description: Defines the platform resources for the SA settop. + * + * NOTE: The bootloader allocates persistent memory at an address which is + * 16 MiB below the end of the highest address in KSEG0. All fixed + * address memory reservations must avoid this region. + */ + +#include <linux/device.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/resource.h> +#include <linux/serial_reg.h> +#include <linux/io.h> +#include <linux/bootmem.h> +#include <linux/mm.h> +#include <linux/platform_device.h> +#include <linux/module.h> +#include <asm/page.h> +#include <linux/swap.h> +#include <linux/highmem.h> +#include <linux/dma-mapping.h> + +#include <asm/mach-powertv/asic.h> +#include <asm/mach-powertv/asic_regs.h> +#include <asm/mach-powertv/interrupts.h> + +#ifdef CONFIG_BOOTLOADER_DRIVER +#include <asm/mach-powertv/kbldr.h> +#endif +#include <asm/bootinfo.h> + +#define BOOTLDRFAMILY(byte1, byte0) (((byte1) << 8) | (byte0)) + +/* + * Forward Prototypes + */ +static void pmem_setup_resource(void); + +/* + * Global Variables + */ +enum asic_type asic; + +unsigned int platform_features; +unsigned int platform_family; +const struct register_map *register_map; +EXPORT_SYMBOL(register_map); /* Exported for testing */ +unsigned long asic_phy_base; +unsigned long asic_base; +EXPORT_SYMBOL(asic_base); /* Exported for testing */ +struct resource *gp_resources; +static bool usb_configured; + +/* + * Don't recommend to use it directly, it is usually used by kernel internally. + * Portable code should be using interfaces such as ioremp, dma_map_single, etc. + */ +unsigned long phys_to_bus_offset; +EXPORT_SYMBOL(phys_to_bus_offset); + +/* + * + * IO Resource Definition + * + */ + +struct resource asic_resource = { + .name = "ASIC Resource", + .start = 0, + .end = ASIC_IO_SIZE, + .flags = IORESOURCE_MEM, +}; + +/* + * + * USB Host Resource Definition + * + */ + +static struct resource ehci_resources[] = { + { + .parent = &asic_resource, + .start = 0, + .end = 0xff, + .flags = IORESOURCE_MEM, + }, + { + .start = irq_usbehci, + .end = irq_usbehci, + .flags = IORESOURCE_IRQ, + }, +}; + +static u64 ehci_dmamask = DMA_BIT_MASK(32); + +static struct platform_device ehci_device = { + .name = "powertv-ehci", + .id = 0, + .num_resources = 2, + .resource = ehci_resources, + .dev = { + .dma_mask = &ehci_dmamask, + .coherent_dma_mask = DMA_BIT_MASK(32), + }, +}; + +static struct resource ohci_resources[] = { + { + .parent = &asic_resource, + .start = 0, + .end = 0xff, + .flags = IORESOURCE_MEM, + }, + { + .start = irq_usbohci, + .end = irq_usbohci, + .flags = IORESOURCE_IRQ, + }, +}; + +static u64 ohci_dmamask = DMA_BIT_MASK(32); + +static struct platform_device ohci_device = { + .name = "powertv-ohci", + .id = 0, + .num_resources = 2, + .resource = ohci_resources, + .dev = { + .dma_mask = &ohci_dmamask, + .coherent_dma_mask = DMA_BIT_MASK(32), + }, +}; + +static struct platform_device *platform_devices[] = { + &ehci_device, + &ohci_device, +}; + +/* + * + * Platform Configuration and Device Initialization + * + */ +static void __init fs_update(int pe, int md, int sdiv, int disable_div_by_3) +{ + int en_prg, byp, pwr, nsb, val; + int sout; + + sout = 1; + en_prg = 1; + byp = 0; + nsb = 1; + pwr = 1; + + val = ((sdiv << 29) | (md << 24) | (pe<<8) | (sout<<3) | (byp<<2) | + (nsb<<1) | (disable_div_by_3<<5)); + + asic_write(val, usb_fs); + asic_write(val | (en_prg<<4), usb_fs); + asic_write(val | (en_prg<<4) | pwr, usb_fs); +} + +/* + * Allow override of bootloader-specified model + */ +static char __initdata cmdline[COMMAND_LINE_SIZE]; + +#define FORCEFAMILY_PARAM "forcefamily" + +static __init int check_forcefamily(unsigned char forced_family[2]) +{ + const char *p; + + forced_family[0] = '\0'; + forced_family[1] = '\0'; + + /* Check the command line for a forcefamily directive */ + strncpy(cmdline, arcs_cmdline, COMMAND_LINE_SIZE - 1); + p = strstr(cmdline, FORCEFAMILY_PARAM); + if (p && (p != cmdline) && (*(p - 1) != ' ')) + p = strstr(p, " " FORCEFAMILY_PARAM "="); + + if (p) { + p += strlen(FORCEFAMILY_PARAM "="); + + if (*p == '\0' || *(p + 1) == '\0' || + (*(p + 2) != '\0' && *(p + 2) != ' ')) + pr_err(FORCEFAMILY_PARAM " must be exactly two " + "characters long, ignoring value\n"); + + else { + forced_family[0] = *p; + forced_family[1] = *(p + 1); + } + } + + return 0; +} + +/* + * platform_set_family - determine major platform family type. + * + * Returns family type; -1 if none + * Returns the family type; -1 if none + * + */ +static __init noinline void platform_set_family(void) +{ +#define BOOTLDRFAMILY(byte1, byte0) (((byte1) << 8) | (byte0)) + + unsigned char forced_family[2]; + unsigned short bootldr_family; + + check_forcefamily(forced_family); + + if (forced_family[0] != '\0' && forced_family[1] != '\0') + bootldr_family = BOOTLDRFAMILY(forced_family[0], + forced_family[1]); + else { + +#ifdef CONFIG_BOOTLOADER_DRIVER + bootldr_family = (unsigned short) kbldr_GetSWFamily(); +#else +#if defined(CONFIG_BOOTLOADER_FAMILY) + bootldr_family = (unsigned short) BOOTLDRFAMILY( + CONFIG_BOOTLOADER_FAMILY[0], + CONFIG_BOOTLOADER_FAMILY[1]); +#else +#error "Unknown Bootloader Family" +#endif +#endif + } + + pr_info("Bootloader Family = 0x%04X\n", bootldr_family); + + switch (bootldr_family) { + case BOOTLDRFAMILY('R', '1'): + platform_family = FAMILY_1500; + break; + case BOOTLDRFAMILY('4', '4'): + platform_family = FAMILY_4500; + break; + case BOOTLDRFAMILY('4', '6'): + platform_family = FAMILY_4600; + break; + case BOOTLDRFAMILY('A', '1'): + platform_family = FAMILY_4600VZA; + break; + case BOOTLDRFAMILY('8', '5'): + platform_family = FAMILY_8500; + break; + case BOOTLDRFAMILY('R', '2'): + platform_family = FAMILY_8500RNG; + break; + case BOOTLDRFAMILY('8', '6'): + platform_family = FAMILY_8600; + break; + case BOOTLDRFAMILY('B', '1'): + platform_family = FAMILY_8600VZB; + break; + case BOOTLDRFAMILY('E', '1'): + platform_family = FAMILY_1500VZE; + break; + case BOOTLDRFAMILY('F', '1'): + platform_family = FAMILY_1500VZF; + break; + default: + platform_family = -1; + } +} + +unsigned int platform_get_family(void) +{ + return platform_family; +} +EXPORT_SYMBOL(platform_get_family); + +/* + * \brief usb_eye_configure() for optimizing the USB eye on Calliope. + * + * \param unsigned int value saved to the register. + * + * \return none + * + */ +static void __init usb_eye_configure(unsigned int value) +{ + asic_write(asic_read(crt_spare) | value, crt_spare); +} + +/* + * platform_get_asic - determine the ASIC type. + * + * \param none + * + * \return ASIC type; ASIC_UNKNOWN if none + * + */ +enum asic_type platform_get_asic(void) +{ + return asic; +} +EXPORT_SYMBOL(platform_get_asic); + +/* + * platform_configure_usb - usb configuration based on platform type. + * @bcm1_usb2_ctl: value for the BCM1_USB2_CTL register, which is + * quirky + */ +static void __init platform_configure_usb(void) +{ + u32 bcm1_usb2_ctl; + + if (usb_configured) + return; + + switch (asic) { + case ASIC_ZEUS: + fs_update(0x0000, 0x11, 0x02, 0); + bcm1_usb2_ctl = 0x803; + break; + + case ASIC_CRONUS: + case ASIC_CRONUSLITE: + fs_update(0x0000, 0x11, 0x02, 0); + bcm1_usb2_ctl = 0x803; + break; + + case ASIC_CALLIOPE: + fs_update(0x0000, 0x11, 0x02, 1); + + switch (platform_family) { + case FAMILY_1500VZE: + break; + + case FAMILY_1500VZF: + usb_eye_configure(0x003c0000); + break; + + default: + usb_eye_configure(0x00300000); + break; + } + + bcm1_usb2_ctl = 0x803; + break; + + default: + pr_err("Unknown ASIC type: %d\n", asic); + break; + } + + /* turn on USB power */ + asic_write(0, usb2_strap); + /* Enable all OHCI interrupts */ + asic_write(bcm1_usb2_ctl, usb2_control); + /* USB2_STBUS_OBC store32/load32 */ + asic_write(3, usb2_stbus_obc); + /* USB2_STBUS_MESS_SIZE 2 packets */ + asic_write(1, usb2_stbus_mess_size); + /* USB2_STBUS_CHUNK_SIZE 2 packets */ + asic_write(1, usb2_stbus_chunk_size); + + usb_configured = true; +} + +/* + * Set up the USB EHCI interface + */ +void platform_configure_usb_ehci() +{ + platform_configure_usb(); +} + +/* + * Set up the USB OHCI interface + */ +void platform_configure_usb_ohci() +{ + platform_configure_usb(); +} + +/* + * Shut the USB EHCI interface down--currently a NOP + */ +void platform_unconfigure_usb_ehci() +{ +} + +/* + * Shut the USB OHCI interface down--currently a NOP + */ +void platform_unconfigure_usb_ohci() +{ +} + +/** + * configure_platform - configuration based on platform type. + */ +void __init configure_platform(void) +{ + platform_set_family(); + + switch (platform_family) { + case FAMILY_1500: + case FAMILY_1500VZE: + case FAMILY_1500VZF: + platform_features = FFS_CAPABLE; + asic = ASIC_CALLIOPE; + asic_phy_base = CALLIOPE_IO_BASE; + register_map = &calliope_register_map; + asic_base = (unsigned long)ioremap_nocache(asic_phy_base, + ASIC_IO_SIZE); + + if (platform_family == FAMILY_1500VZE) { + gp_resources = non_dvr_vze_calliope_resources; + pr_info("Platform: 1500/Vz Class E - " + "CALLIOPE, NON_DVR_CAPABLE\n"); + } else if (platform_family == FAMILY_1500VZF) { + gp_resources = non_dvr_vzf_calliope_resources; + pr_info("Platform: 1500/Vz Class F - " + "CALLIOPE, NON_DVR_CAPABLE\n"); + } else { + gp_resources = non_dvr_calliope_resources; + pr_info("Platform: 1500/RNG100 - CALLIOPE, " + "NON_DVR_CAPABLE\n"); + } + break; + + case FAMILY_4500: + platform_features = FFS_CAPABLE | PCIE_CAPABLE | + DISPLAY_CAPABLE; + asic = ASIC_ZEUS; + asic_phy_base = ZEUS_IO_BASE; + register_map = &zeus_register_map; + asic_base = (unsigned long)ioremap_nocache(asic_phy_base, + ASIC_IO_SIZE); + gp_resources = non_dvr_zeus_resources; + + pr_info("Platform: 4500 - ZEUS, NON_DVR_CAPABLE\n"); + break; + + case FAMILY_4600: + { + unsigned int chipversion = 0; + + /* The settop has PCIE but it isn't used, so don't advertise + * it*/ + platform_features = FFS_CAPABLE | DISPLAY_CAPABLE; + asic_phy_base = CRONUS_IO_BASE; /* same as Cronus */ + register_map = &cronus_register_map; /* same as Cronus */ + asic_base = (unsigned long)ioremap_nocache(asic_phy_base, + ASIC_IO_SIZE); + gp_resources = non_dvr_cronuslite_resources; + + /* ASIC version will determine if this is a real CronusLite or + * Castrati(Cronus) */ + chipversion = asic_read(chipver3) << 24; + chipversion |= asic_read(chipver2) << 16; + chipversion |= asic_read(chipver1) << 8; + chipversion |= asic_read(chipver0); + + if ((chipversion == CRONUS_10) || (chipversion == CRONUS_11)) + asic = ASIC_CRONUS; + else + asic = ASIC_CRONUSLITE; + + pr_info("Platform: 4600 - %s, NON_DVR_CAPABLE, " + "chipversion=0x%08X\n", + (asic == ASIC_CRONUS) ? "CRONUS" : "CRONUS LITE", + chipversion); + break; + } + case FAMILY_4600VZA: + platform_features = FFS_CAPABLE | DISPLAY_CAPABLE; + asic = ASIC_CRONUS; + asic_phy_base = CRONUS_IO_BASE; + register_map = &cronus_register_map; + asic_base = (unsigned long)ioremap_nocache(asic_phy_base, + ASIC_IO_SIZE); + gp_resources = non_dvr_cronus_resources; + + pr_info("Platform: Vz Class A - CRONUS, NON_DVR_CAPABLE\n"); + break; + + case FAMILY_8500: + case FAMILY_8500RNG: + platform_features = DVR_CAPABLE | PCIE_CAPABLE | + DISPLAY_CAPABLE; + asic = ASIC_ZEUS; + asic_phy_base = ZEUS_IO_BASE; + register_map = &zeus_register_map; + asic_base = (unsigned long)ioremap_nocache(asic_phy_base, + ASIC_IO_SIZE); + gp_resources = dvr_zeus_resources; + + pr_info("Platform: 8500/RNG200 - ZEUS, DVR_CAPABLE\n"); + break; + + case FAMILY_8600: + case FAMILY_8600VZB: + platform_features = DVR_CAPABLE | PCIE_CAPABLE | + DISPLAY_CAPABLE; + asic = ASIC_CRONUS; + asic_phy_base = CRONUS_IO_BASE; + register_map = &cronus_register_map; + asic_base = (unsigned long)ioremap_nocache(asic_phy_base, + ASIC_IO_SIZE); + gp_resources = dvr_cronus_resources; + + pr_info("Platform: 8600/Vz Class B - CRONUS, " + "DVR_CAPABLE\n"); + break; + + default: + pr_crit("Platform: UNKNOWN PLATFORM\n"); + break; + } + + switch (asic) { + case ASIC_ZEUS: + phys_to_bus_offset = 0x30000000; + break; + case ASIC_CALLIOPE: + phys_to_bus_offset = 0x10000000; + break; + case ASIC_CRONUSLITE: + /* Fall through */ + case ASIC_CRONUS: + /* + * TODO: We suppose 0x10000000 aliases into 0x20000000- + * 0x2XXXXXXX. If 0x10000000 aliases into 0x60000000- + * 0x6XXXXXXX, the offset should be 0x50000000, not 0x10000000. + */ + phys_to_bus_offset = 0x10000000; + break; + default: + phys_to_bus_offset = 0x00000000; + break; + } +} + +/** + * platform_devices_init - sets up USB device resourse. + */ +static int __init platform_devices_init(void) +{ + pr_notice("%s: ----- Initializing USB resources -----\n", __func__); + + asic_resource.start = asic_phy_base; + asic_resource.end += asic_resource.start; + + ehci_resources[0].start = asic_reg_phys_addr(ehci_hcapbase); + ehci_resources[0].end += ehci_resources[0].start; + + ohci_resources[0].start = asic_reg_phys_addr(ohci_hc_revision); + ohci_resources[0].end += ohci_resources[0].start; + + set_io_port_base(0); + + platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices)); + + return 0; +} + +arch_initcall(platform_devices_init); + +/* + * + * BOOTMEM ALLOCATION + * + */ +/* + * Allocates/reserves the Platform memory resources early in the boot process. + * This ignores any resources that are designated IORESOURCE_IO + */ +void __init platform_alloc_bootmem(void) +{ + int i; + int total = 0; + + /* Get persistent memory data from command line before allocating + * resources. This need to happen before normal command line parsing + * has been done */ + pmem_setup_resource(); + + /* Loop through looking for resources that want a particular address */ + for (i = 0; gp_resources[i].flags != 0; i++) { + int size = gp_resources[i].end - gp_resources[i].start + 1; + if ((gp_resources[i].start != 0) && + ((gp_resources[i].flags & IORESOURCE_MEM) != 0)) { + reserve_bootmem(bus_to_phys(gp_resources[i].start), + size, 0); + total += gp_resources[i].end - + gp_resources[i].start + 1; + pr_info("reserve resource %s at %08x (%u bytes)\n", + gp_resources[i].name, gp_resources[i].start, + gp_resources[i].end - + gp_resources[i].start + 1); + } + } + + /* Loop through assigning addresses for those that are left */ + for (i = 0; gp_resources[i].flags != 0; i++) { + int size = gp_resources[i].end - gp_resources[i].start + 1; + if ((gp_resources[i].start == 0) && + ((gp_resources[i].flags & IORESOURCE_MEM) != 0)) { + void *mem = alloc_bootmem_pages(size); + + if (mem == NULL) + pr_err("Unable to allocate bootmem pages " + "for %s\n", gp_resources[i].name); + + else { + gp_resources[i].start = + phys_to_bus(virt_to_phys(mem)); + gp_resources[i].end = + gp_resources[i].start + size - 1; + total += size; + pr_info("allocate resource %s at %08x " + "(%u bytes)\n", + gp_resources[i].name, + gp_resources[i].start, size); + } + } + } + + pr_info("Total Platform driver memory allocation: 0x%08x\n", total); + + /* indicate resources that are platform I/O related */ + for (i = 0; gp_resources[i].flags != 0; i++) { + if ((gp_resources[i].start != 0) && + ((gp_resources[i].flags & IORESOURCE_IO) != 0)) { + pr_info("reserved platform resource %s at %08x\n", + gp_resources[i].name, gp_resources[i].start); + } + } +} + +/* + * + * PERSISTENT MEMORY (PMEM) CONFIGURATION + * + */ +static unsigned long pmemaddr __initdata; + +static int __init early_param_pmemaddr(char *p) +{ + pmemaddr = (unsigned long)simple_strtoul(p, NULL, 0); + return 0; +} +early_param("pmemaddr", early_param_pmemaddr); + +static long pmemlen __initdata; + +static int __init early_param_pmemlen(char *p) +{ +/* TODO: we can use this code when and if the bootloader ever changes this */ +#if 0 + pmemlen = (unsigned long)simple_strtoul(p, NULL, 0); +#else + pmemlen = 0x20000; +#endif + return 0; +} +early_param("pmemlen", early_param_pmemlen); + +/* + * Set up persistent memory. If we were given values, we patch the array of + * resources. Otherwise, persistent memory may be allocated anywhere at all. + */ +static void __init pmem_setup_resource(void) +{ + struct resource *resource; + resource = asic_resource_get("DiagPersistentMemory"); + + if (resource && pmemaddr && pmemlen) { + /* The address provided by bootloader is in kseg0. Convert to + * a bus address. */ + resource->start = phys_to_bus(pmemaddr - 0x80000000); + resource->end = resource->start + pmemlen - 1; + + pr_info("persistent memory: start=0x%x end=0x%x\n", + resource->start, resource->end); + } +} + +/* + * + * RESOURCE ACCESS FUNCTIONS + * + */ + +/** + * asic_resource_get - retrieves parameters for a platform resource. + * @name: string to match resource + * + * Returns a pointer to a struct resource corresponding to the given name. + * + * CANNOT BE NAMED platform_resource_get, which would be the obvious choice, + * as this function name is already declared + */ +struct resource *asic_resource_get(const char *name) +{ + int i; + + for (i = 0; gp_resources[i].flags != 0; i++) { + if (strcmp(gp_resources[i].name, name) == 0) + return &gp_resources[i]; + } + + return NULL; +} +EXPORT_SYMBOL(asic_resource_get); + +/** + * platform_release_memory - release pre-allocated memory + * @ptr: pointer to memory to release + * @size: size of resource + * + * This must only be called for memory allocated or reserved via the boot + * memory allocator. + */ +void platform_release_memory(void *ptr, int size) +{ + unsigned long addr; + unsigned long end; + + addr = ((unsigned long)ptr + (PAGE_SIZE - 1)) & PAGE_MASK; + end = ((unsigned long)ptr + size) & PAGE_MASK; + + for (; addr < end; addr += PAGE_SIZE) { + ClearPageReserved(virt_to_page(__va(addr))); + init_page_count(virt_to_page(__va(addr))); + free_page((unsigned long)__va(addr)); + } +} +EXPORT_SYMBOL(platform_release_memory); + +/* + * + * FEATURE AVAILABILITY FUNCTIONS + * + */ +int platform_supports_dvr(void) +{ + return (platform_features & DVR_CAPABLE) != 0; +} + +int platform_supports_ffs(void) +{ + return (platform_features & FFS_CAPABLE) != 0; +} + +int platform_supports_pcie(void) +{ + return (platform_features & PCIE_CAPABLE) != 0; +} + +int platform_supports_display(void) +{ + return (platform_features & DISPLAY_CAPABLE) != 0; +} diff --git a/arch/mips/powertv/asic/asic_int.c b/arch/mips/powertv/asic/asic_int.c new file mode 100644 index 00000000000..80b2eed21ac --- /dev/null +++ b/arch/mips/powertv/asic/asic_int.c @@ -0,0 +1,125 @@ +/* + * Carsten Langgaard, carstenl@mips.com + * Copyright (C) 2000, 2001, 2004 MIPS Technologies, Inc. + * Copyright (C) 2001 Ralf Baechle + * Portions copyright (C) 2009 Cisco Systems, Inc. + * + * This program is free software; you can distribute it and/or modify it + * under the terms of the GNU General Public License (Version 2) as + * published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. + * + * Routines for generic manipulation of the interrupts found on the PowerTV + * platform. + * + * The interrupt controller is located in the South Bridge a PIIX4 device + * with two internal 82C95 interrupt controllers. + */ +#include <linux/init.h> +#include <linux/irq.h> +#include <linux/sched.h> +#include <linux/slab.h> +#include <linux/interrupt.h> +#include <linux/kernel_stat.h> +#include <linux/kernel.h> +#include <linux/random.h> + +#include <asm/irq_cpu.h> +#include <linux/io.h> +#include <asm/irq_regs.h> +#include <asm/mips-boards/generic.h> + +#include <asm/mach-powertv/asic_regs.h> + +static DEFINE_SPINLOCK(asic_irq_lock); + +static inline int get_int(void) +{ + unsigned long flags; + int irq; + + spin_lock_irqsave(&asic_irq_lock, flags); + + irq = (asic_read(int_int_scan) >> 4) - 1; + + if (irq == 0 || irq >= NR_IRQS) + irq = -1; + + spin_unlock_irqrestore(&asic_irq_lock, flags); + + return irq; +} + +static void asic_irqdispatch(void) +{ + int irq; + + irq = get_int(); + if (irq < 0) + return; /* interrupt has already been cleared */ + + do_IRQ(irq); +} + +static inline int clz(unsigned long x) +{ + __asm__( + " .set push \n" + " .set mips32 \n" + " clz %0, %1 \n" + " .set pop \n" + : "=r" (x) + : "r" (x)); + + return x; +} + +/* + * Version of ffs that only looks at bits 12..15. + */ +static inline unsigned int irq_ffs(unsigned int pending) +{ + return fls(pending) - 1 + CAUSEB_IP; +} + +/* + * TODO: check how it works under EIC mode. + */ +asmlinkage void plat_irq_dispatch(void) +{ + unsigned int pending = read_c0_cause() & read_c0_status() & ST0_IM; + int irq; + + irq = irq_ffs(pending); + + if (irq == CAUSEF_IP3) + asic_irqdispatch(); + else if (irq >= 0) + do_IRQ(irq); + else + spurious_interrupt(); +} + +void __init arch_init_irq(void) +{ + int i; + + asic_irq_init(); + + /* + * Initialize interrupt exception vectors. + */ + if (cpu_has_veic || cpu_has_vint) { + int nvec = cpu_has_veic ? 64 : 8; + for (i = 0; i < nvec; i++) + set_vi_handler(i, asic_irqdispatch); + } +} diff --git a/arch/mips/powertv/asic/irq_asic.c b/arch/mips/powertv/asic/irq_asic.c new file mode 100644 index 00000000000..b54d24499b0 --- /dev/null +++ b/arch/mips/powertv/asic/irq_asic.c @@ -0,0 +1,116 @@ +/* + * Portions copyright (C) 2005-2009 Scientific Atlanta + * Portions copyright (C) 2009 Cisco Systems, Inc. + * + * Modified from arch/mips/kernel/irq-rm7000.c: + * Copyright (C) 2003 Ralf Baechle + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ +#include <linux/init.h> +#include <linux/interrupt.h> +#include <linux/kernel.h> + +#include <asm/irq_cpu.h> +#include <asm/mipsregs.h> +#include <asm/system.h> + +#include <asm/mach-powertv/asic_regs.h> + +static inline void unmask_asic_irq(unsigned int irq) +{ + unsigned long enable_bit; + + enable_bit = (1 << (irq & 0x1f)); + + switch (irq >> 5) { + case 0: + asic_write(asic_read(ien_int_0) | enable_bit, ien_int_0); + break; + case 1: + asic_write(asic_read(ien_int_1) | enable_bit, ien_int_1); + break; + case 2: + asic_write(asic_read(ien_int_2) | enable_bit, ien_int_2); + break; + case 3: + asic_write(asic_read(ien_int_3) | enable_bit, ien_int_3); + break; + default: + BUG(); + } +} + +static inline void mask_asic_irq(unsigned int irq) +{ + unsigned long disable_mask; + + disable_mask = ~(1 << (irq & 0x1f)); + + switch (irq >> 5) { + case 0: + asic_write(asic_read(ien_int_0) & disable_mask, ien_int_0); + break; + case 1: + asic_write(asic_read(ien_int_1) & disable_mask, ien_int_1); + break; + case 2: + asic_write(asic_read(ien_int_2) & disable_mask, ien_int_2); + break; + case 3: + asic_write(asic_read(ien_int_3) & disable_mask, ien_int_3); + break; + default: + BUG(); + } +} + +static struct irq_chip asic_irq_chip = { + .name = "ASIC Level", + .ack = mask_asic_irq, + .mask = mask_asic_irq, + .mask_ack = mask_asic_irq, + .unmask = unmask_asic_irq, + .eoi = unmask_asic_irq, +}; + +void __init asic_irq_init(void) +{ + int i; + + /* set priority to 0 */ + write_c0_status(read_c0_status() & ~(0x0000fc00)); + + asic_write(0, ien_int_0); + asic_write(0, ien_int_1); + asic_write(0, ien_int_2); + asic_write(0, ien_int_3); + + asic_write(0x0fffffff, int_level_3_3); + asic_write(0xffffffff, int_level_3_2); + asic_write(0xffffffff, int_level_3_1); + asic_write(0xffffffff, int_level_3_0); + asic_write(0xffffffff, int_level_2_3); + asic_write(0xffffffff, int_level_2_2); + asic_write(0xffffffff, int_level_2_1); + asic_write(0xffffffff, int_level_2_0); + asic_write(0xffffffff, int_level_1_3); + asic_write(0xffffffff, int_level_1_2); + asic_write(0xffffffff, int_level_1_1); + asic_write(0xffffffff, int_level_1_0); + asic_write(0xffffffff, int_level_0_3); + asic_write(0xffffffff, int_level_0_2); + asic_write(0xffffffff, int_level_0_1); + asic_write(0xffffffff, int_level_0_0); + + asic_write(0xf, int_int_scan); + + /* + * Initialize interrupt handlers. + */ + for (i = 0; i < NR_IRQS; i++) + set_irq_chip_and_handler(i, &asic_irq_chip, handle_level_irq); +} diff --git a/arch/mips/powertv/asic/prealloc-calliope.c b/arch/mips/powertv/asic/prealloc-calliope.c new file mode 100644 index 00000000000..cd5b76a1c95 --- /dev/null +++ b/arch/mips/powertv/asic/prealloc-calliope.c @@ -0,0 +1,620 @@ +/* + * Memory pre-allocations for Calliope boxes. + * + * Copyright (C) 2005-2009 Scientific-Atlanta, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * + * Author: Ken Eppinett + * David Schleef <ds@schleef.org> + */ + +#include <linux/init.h> +#include <asm/mach-powertv/asic.h> + +/* + * NON_DVR_CAPABLE CALLIOPE RESOURCES + */ +struct resource non_dvr_calliope_resources[] __initdata = +{ + /* + * VIDEO / LX1 + */ + { + .name = "ST231aImage", /* Delta-Mu 1 image and ram */ + .start = 0x24000000, + .end = 0x24200000 - 1, /*2MiB */ + .flags = IORESOURCE_MEM, + }, + { + .name = "ST231aMonitor", /*8KiB block ST231a monitor */ + .start = 0x24200000, + .end = 0x24202000 - 1, + .flags = IORESOURCE_MEM, + }, + { + .name = "MediaMemory1", + .start = 0x24202000, + .end = 0x26700000 - 1, /*~36.9MiB (32MiB - (2MiB + 8KiB)) */ + .flags = IORESOURCE_MEM, + }, + /* + * Sysaudio Driver + */ + { + .name = "DSP_Image_Buff", + .start = 0x00000000, + .end = 0x000FFFFF, + .flags = IORESOURCE_MEM, + }, + { + .name = "ADSC_CPU_PCM_Buff", + .start = 0x00000000, + .end = 0x00009FFF, + .flags = IORESOURCE_MEM, + }, + { + .name = "ADSC_AUX_Buff", + .start = 0x00000000, + .end = 0x00003FFF, + .flags = IORESOURCE_MEM, + }, + { + .name = "ADSC_Main_Buff", + .start = 0x00000000, + .end = 0x00003FFF, + .flags = IORESOURCE_MEM, + }, + /* + * STAVEM driver/STAPI + */ + { + .name = "AVMEMPartition0", + .start = 0x00000000, + .end = 0x00600000 - 1, /* 6 MB total */ + .flags = IORESOURCE_MEM, + }, + /* + * DOCSIS Subsystem + */ + { + .name = "Docsis", + .start = 0x22000000, + .end = 0x22700000 - 1, + .flags = IORESOURCE_MEM, + }, + /* + * GHW HAL Driver + */ + { + .name = "GraphicsHeap", + .start = 0x22700000, + .end = 0x23500000 - 1, /* 14 MB total */ + .flags = IORESOURCE_MEM, + }, + /* + * multi com buffer area + */ + { + .name = "MulticomSHM", + .start = 0x23700000, + .end = 0x23720000 - 1, + .flags = IORESOURCE_MEM, + }, + /* + * DMA Ring buffer (don't need recording buffers) + */ + { + .name = "BMM_Buffer", + .start = 0x00000000, + .end = 0x000AA000 - 1, + .flags = IORESOURCE_MEM, + }, + /* + * Display bins buffer for unit0 + */ + { + .name = "DisplayBins0", + .start = 0x00000000, + .end = 0x00000FFF, /* 4 KB total */ + .flags = IORESOURCE_MEM, + }, + /* + * + * AVFS: player HAL memory + * + * + */ + { + .name = "AvfsDmaMem", + .start = 0x00000000, + .end = 0x002c4c00 - 1, /* 945K * 3 for playback */ + .flags = IORESOURCE_MEM, + }, + /* + * PMEM + */ + { + .name = "DiagPersistentMemory", + .start = 0x00000000, + .end = 0x10000 - 1, + .flags = IORESOURCE_MEM, + }, + /* + * Smartcard + */ + { + .name = "SmartCardInfo", + .start = 0x00000000, + .end = 0x2800 - 1, + .flags = IORESOURCE_MEM, + }, + /* + * NAND Flash + */ + { + .name = "NandFlash", + .start = NAND_FLASH_BASE, + .end = NAND_FLASH_BASE + 0x400 - 1, + .flags = IORESOURCE_IO, + }, + /* + * Synopsys GMAC Memory Region + */ + { + .name = "GMAC", + .start = 0x00000000, + .end = 0x00010000 - 1, + .flags = IORESOURCE_MEM, + }, + /* + * Add other resources here + * + */ + { }, +}; + +struct resource non_dvr_vz_calliope_resources[] __initdata = +{ + /* + * VIDEO / LX1 + */ + { + .name = "ST231aImage", /* Delta-Mu 1 image and ram */ + .start = 0x24000000, + .end = 0x24200000 - 1, /*2 Meg */ + .flags = IORESOURCE_MEM, + }, + { + .name = "ST231aMonitor", /* 8k block ST231a monitor */ + .start = 0x24200000, + .end = 0x24202000 - 1, + .flags = IORESOURCE_MEM, + }, + { + .name = "MediaMemory1", + .start = 0x22202000, + .end = 0x22C20B85 - 1, /* 10.12 Meg */ + .flags = IORESOURCE_MEM, + }, + /* + * Sysaudio Driver + */ + { + .name = "DSP_Image_Buff", + .start = 0x00000000, + .end = 0x000FFFFF, + .flags = IORESOURCE_MEM, + }, + { + .name = "ADSC_CPU_PCM_Buff", + .start = 0x00000000, + .end = 0x00009FFF, + .flags = IORESOURCE_MEM, + }, + { + .name = "ADSC_AUX_Buff", + .start = 0x00000000, + .end = 0x00003FFF, + .flags = IORESOURCE_MEM, + }, + { + .name = "ADSC_Main_Buff", + .start = 0x00000000, + .end = 0x00003FFF, + .flags = IORESOURCE_MEM, + }, + /* + * STAVEM driver/STAPI + */ + { + .name = "AVMEMPartition0", + .start = 0x20300000, + .end = 0x20620000-1, /*3.125 MB total */ + .flags = IORESOURCE_MEM, + }, + /* + * GHW HAL Driver + */ + { + .name = "GraphicsHeap", + .start = 0x20100000, + .end = 0x20300000 - 1, + .flags = IORESOURCE_MEM, + }, + /* + * multi com buffer area + */ + { + .name = "MulticomSHM", + .start = 0x23900000, + .end = 0x23920000 - 1, + .flags = IORESOURCE_MEM, + }, + /* + * DMA Ring buffer + */ + { + .name = "BMM_Buffer", + .start = 0x00000000, + .end = 0x000AA000 - 1, + .flags = IORESOURCE_MEM, + }, + /* + * Display bins buffer for unit0 + */ + { + .name = "DisplayBins0", + .start = 0x00000000, + .end = 0x00000FFF, + .flags = IORESOURCE_MEM, + }, + /* + * PMEM + */ + { + .name = "DiagPersistentMemory", + .start = 0x00000000, + .end = 0x10000 - 1, + .flags = IORESOURCE_MEM, + }, + /* + * Smartcard + */ + { + .name = "SmartCardInfo", + .start = 0x00000000, + .end = 0x2800 - 1, + .flags = IORESOURCE_MEM, + }, + /* + * NAND Flash + */ + { + .name = "NandFlash", + .start = NAND_FLASH_BASE, + .end = NAND_FLASH_BASE+0x400 - 1, + .flags = IORESOURCE_IO, + }, + /* + * Synopsys GMAC Memory Region + */ + { + .name = "GMAC", + .start = 0x00000000, + .end = 0x00010000 - 1, + .flags = IORESOURCE_MEM, + }, + /* + * Add other resources here + */ + { }, +}; + +struct resource non_dvr_vze_calliope_resources[] __initdata = +{ + /* + * VIDEO / LX1 + */ + { + .name = "ST231aImage", /* Delta-Mu 1 image and ram */ + .start = 0x22000000, + .end = 0x22200000 - 1, /*2 Meg */ + .flags = IORESOURCE_MEM, + }, + { + .name = "ST231aMonitor", /* 8k block ST231a monitor */ + .start = 0x22200000, + .end = 0x22202000 - 1, + .flags = IORESOURCE_MEM, + }, + { + .name = "MediaMemory1", + .start = 0x22202000, + .end = 0x22C20B85 - 1, /* 10.12 Meg */ + .flags = IORESOURCE_MEM, + }, + /* + * Sysaudio Driver + */ + { + .name = "DSP_Image_Buff", + .start = 0x00000000, + .end = 0x000FFFFF, + .flags = IORESOURCE_MEM, + }, + { + .name = "ADSC_CPU_PCM_Buff", + .start = 0x00000000, + .end = 0x00009FFF, + .flags = IORESOURCE_MEM, + }, + { + .name = "ADSC_AUX_Buff", + .start = 0x00000000, + .end = 0x00003FFF, + .flags = IORESOURCE_MEM, + }, + { + .name = "ADSC_Main_Buff", + .start = 0x00000000, + .end = 0x00003FFF, + .flags = IORESOURCE_MEM, + }, + /* + * STAVEM driver/STAPI + */ + { + .name = "AVMEMPartition0", + .start = 0x20396000, + .end = 0x206B6000 - 1, /* 3.125 MB total */ + .flags = IORESOURCE_MEM, + }, + /* + * GHW HAL Driver + */ + { + .name = "GraphicsHeap", + .start = 0x20100000, + .end = 0x20396000 - 1, + .flags = IORESOURCE_MEM, + }, + /* + * multi com buffer area + */ + { + .name = "MulticomSHM", + .start = 0x206B6000, + .end = 0x206D6000 - 1, + .flags = IORESOURCE_MEM, + }, + /* + * DMA Ring buffer + */ + { + .name = "BMM_Buffer", + .start = 0x00000000, + .end = 0x000AA000 - 1, + .flags = IORESOURCE_MEM, + }, + /* + * Display bins buffer for unit0 + */ + { + .name = "DisplayBins0", + .start = 0x00000000, + .end = 0x00000FFF, + .flags = IORESOURCE_MEM, + }, + /* + * PMEM + */ + { + .name = "DiagPersistentMemory", + .start = 0x00000000, + .end = 0x10000 - 1, + .flags = IORESOURCE_MEM, + }, + /* + * Smartcard + */ + { + .name = "SmartCardInfo", + .start = 0x00000000, + .end = 0x2800 - 1, + .flags = IORESOURCE_MEM, + }, + /* + * NAND Flash + */ + { + .name = "NandFlash", + .start = NAND_FLASH_BASE, + .end = NAND_FLASH_BASE+0x400 - 1, + .flags = IORESOURCE_MEM, + }, + /* + * Synopsys GMAC Memory Region + */ + { + .name = "GMAC", + .start = 0x00000000, + .end = 0x00010000 - 1, + .flags = IORESOURCE_MEM, + }, + /* + * Add other resources here + */ + { }, +}; + +struct resource non_dvr_vzf_calliope_resources[] __initdata = +{ + /* + * VIDEO / LX1 + */ + { + .name = "ST231aImage", /*Delta-Mu 1 image and ram */ + .start = 0x24000000, + .end = 0x24200000 - 1, /*2MiB */ + .flags = IORESOURCE_MEM, + }, + { + .name = "ST231aMonitor", /*8KiB block ST231a monitor */ + .start = 0x24200000, + .end = 0x24202000 - 1, + .flags = IORESOURCE_MEM, + }, + { + .name = "MediaMemory1", + .start = 0x24202000, + /* ~19.4 (21.5MiB - (2MiB + 8KiB)) */ + .end = 0x25580000 - 1, + .flags = IORESOURCE_MEM, + }, + /* + * Sysaudio Driver + */ + { + .name = "DSP_Image_Buff", + .start = 0x00000000, + .end = 0x000FFFFF, + .flags = IORESOURCE_MEM, + }, + { + .name = "ADSC_CPU_PCM_Buff", + .start = 0x00000000, + .end = 0x00009FFF, + .flags = IORESOURCE_MEM, + }, + { + .name = "ADSC_AUX_Buff", + .start = 0x00000000, + .end = 0x00003FFF, + .flags = IORESOURCE_MEM, + }, + { + .name = "ADSC_Main_Buff", + .start = 0x00000000, + .end = 0x00003FFF, + .flags = IORESOURCE_MEM, + }, + /* + * STAVEM driver/STAPI + */ + { + .name = "AVMEMPartition0", + .start = 0x00000000, + .end = 0x00480000 - 1, /* 4.5 MB total */ + .flags = IORESOURCE_MEM, + }, + /* + * GHW HAL Driver + */ + { + .name = "GraphicsHeap", + .start = 0x22700000, + .end = 0x23500000 - 1, /* 14 MB total */ + .flags = IORESOURCE_MEM, + }, + /* + * multi com buffer area + */ + { + .name = "MulticomSHM", + .start = 0x23700000, + .end = 0x23720000 - 1, + .flags = IORESOURCE_MEM, + }, + /* + * DMA Ring buffer (don't need recording buffers) + */ + { + .name = "BMM_Buffer", + .start = 0x00000000, + .end = 0x000AA000 - 1, + .flags = IORESOURCE_MEM, + }, + /* + * Display bins buffer for unit0 + */ + { + .name = "DisplayBins0", + .start = 0x00000000, + .end = 0x00000FFF, /* 4 KB total */ + .flags = IORESOURCE_MEM, + }, + /* + * Display bins buffer for unit1 + */ + { + .name = "DisplayBins1", + .start = 0x00000000, + .end = 0x00000FFF, /* 4 KB total */ + .flags = IORESOURCE_MEM, + }, + /* + * + * AVFS: player HAL memory + * + * + */ + { + .name = "AvfsDmaMem", + .start = 0x00000000, + .end = 0x002c4c00 - 1, /* 945K * 3 for playback */ + .flags = IORESOURCE_MEM, + }, + /* + * PMEM + */ + { + .name = "DiagPersistentMemory", + .start = 0x00000000, + .end = 0x10000 - 1, + .flags = IORESOURCE_MEM, + }, + /* + * Smartcard + */ + { + .name = "SmartCardInfo", + .start = 0x00000000, + .end = 0x2800 - 1, + .flags = IORESOURCE_MEM, + }, + /* + * NAND Flash + */ + { + .name = "NandFlash", + .start = NAND_FLASH_BASE, + .end = NAND_FLASH_BASE + 0x400 - 1, + .flags = IORESOURCE_MEM, + }, + /* + * Synopsys GMAC Memory Region + */ + { + .name = "GMAC", + .start = 0x00000000, + .end = 0x00010000 - 1, + .flags = IORESOURCE_MEM, + }, + /* + * Add other resources here + */ + { }, +}; diff --git a/arch/mips/powertv/asic/prealloc-cronus.c b/arch/mips/powertv/asic/prealloc-cronus.c new file mode 100644 index 00000000000..45a5c3ea718 --- /dev/null +++ b/arch/mips/powertv/asic/prealloc-cronus.c @@ -0,0 +1,608 @@ +/* + * Memory pre-allocations for Cronus boxes. + * + * Copyright (C) 2005-2009 Scientific-Atlanta, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * + * Author: Ken Eppinett + * David Schleef <ds@schleef.org> + */ + +#include <linux/init.h> +#include <asm/mach-powertv/asic.h> + +/* + * DVR_CAPABLE CRONUS RESOURCES + */ +struct resource dvr_cronus_resources[] __initdata = +{ + /* + * + * VIDEO1 / LX1 + * + */ + { + .name = "ST231aImage", /* Delta-Mu 1 image and ram */ + .start = 0x24000000, + .end = 0x241FFFFF, /* 2MiB */ + .flags = IORESOURCE_MEM, + }, + { + .name = "ST231aMonitor", /* 8KiB block ST231a monitor */ + .start = 0x24200000, + .end = 0x24201FFF, + .flags = IORESOURCE_MEM, + }, + { + .name = "MediaMemory1", + .start = 0x24202000, + .end = 0x25FFFFFF, /*~29.9MiB (32MiB - (2MiB + 8KiB)) */ + .flags = IORESOURCE_MEM, + }, + /* + * + * VIDEO2 / LX2 + * + */ + { + .name = "ST231bImage", /* Delta-Mu 2 image and ram */ + .start = 0x60000000, + .end = 0x601FFFFF, /* 2MiB */ + .flags = IORESOURCE_IO, + }, + { + .name = "ST231bMonitor", /* 8KiB block ST231b monitor */ + .start = 0x60200000, + .end = 0x60201FFF, + .flags = IORESOURCE_IO, + }, + { + .name = "MediaMemory2", + .start = 0x60202000, + .end = 0x61FFFFFF, /*~29.9MiB (32MiB - (2MiB + 8KiB)) */ + .flags = IORESOURCE_IO, + }, + /* + * + * Sysaudio Driver + * + * This driver requires: + * + * Arbitrary Based Buffers: + * DSP_Image_Buff - DSP code and data images (1MB) + * ADSC_CPU_PCM_Buff - ADSC CPU PCM buffer (40KB) + * ADSC_AUX_Buff - ADSC AUX buffer (16KB) + * ADSC_Main_Buff - ADSC Main buffer (16KB) + * + */ + { + .name = "DSP_Image_Buff", + .start = 0x00000000, + .end = 0x000FFFFF, + .flags = IORESOURCE_MEM, + }, + { + .name = "ADSC_CPU_PCM_Buff", + .start = 0x00000000, + .end = 0x00009FFF, + .flags = IORESOURCE_MEM, + }, + { + .name = "ADSC_AUX_Buff", + .start = 0x00000000, + .end = 0x00003FFF, + .flags = IORESOURCE_MEM, + }, + { + .name = "ADSC_Main_Buff", + .start = 0x00000000, + .end = 0x00003FFF, + .flags = IORESOURCE_MEM, + }, + /* + * + * STAVEM driver/STAPI + * + * This driver requires: + * + * Arbitrary Based Buffers: + * This memory area is used for allocating buffers for Video decoding + * purposes. Allocation/De-allocation within this buffer is managed + * by the STAVMEM driver of the STAPI. They could be Decimated + * Picture Buffers, Intermediate Buffers, as deemed necessary for + * video decoding purposes, for any video decoders on Zeus. + * + */ + { + .name = "AVMEMPartition0", + .start = 0x63580000, + .end = 0x64180000 - 1, /* 12 MB total */ + .flags = IORESOURCE_IO, + }, + /* + * + * DOCSIS Subsystem + * + * This driver requires: + * + * Arbitrary Based Buffers: + * Docsis - + * + */ + { + .name = "Docsis", + .start = 0x62000000, + .end = 0x62700000 - 1, /* 7 MB total */ + .flags = IORESOURCE_IO, + }, + /* + * + * GHW HAL Driver + * + * This driver requires: + * + * Arbitrary Based Buffers: + * GraphicsHeap - PowerTV Graphics Heap + * + */ + { + .name = "GraphicsHeap", + .start = 0x62700000, + .end = 0x63500000 - 1, /* 14 MB total */ + .flags = IORESOURCE_IO, + }, + /* + * + * multi com buffer area + * + * This driver requires: + * + * Arbitrary Based Buffers: + * Docsis - + * + */ + { + .name = "MulticomSHM", + .start = 0x26000000, + .end = 0x26020000 - 1, + .flags = IORESOURCE_MEM, + }, + /* + * + * DMA Ring buffer + * + * This driver requires: + * + * Arbitrary Based Buffers: + * Docsis - + * + */ + { + .name = "BMM_Buffer", + .start = 0x00000000, + .end = 0x00280000 - 1, + .flags = IORESOURCE_MEM, + }, + /* + * + * Display bins buffer for unit0 + * + * This driver requires: + * + * Arbitrary Based Buffers: + * Display Bins for unit0 + * + */ + { + .name = "DisplayBins0", + .start = 0x00000000, + .end = 0x00000FFF, /* 4 KB total */ + .flags = IORESOURCE_MEM, + }, + /* + * + * Display bins buffer + * + * This driver requires: + * + * Arbitrary Based Buffers: + * Display Bins for unit1 + * + */ + { + .name = "DisplayBins1", + .start = 0x64AD4000, + .end = 0x64AD5000 - 1, /* 4 KB total */ + .flags = IORESOURCE_IO, + }, + /* + * + * ITFS + * + * This driver requires: + * + * Arbitrary Based Buffers: + * Docsis - + * + */ + { + .name = "ITFS", + .start = 0x64180000, + /* 815,104 bytes each for 2 ITFS partitions. */ + .end = 0x6430DFFF, + .flags = IORESOURCE_IO, + }, + /* + * + * AVFS + * + * This driver requires: + * + * Arbitrary Based Buffers: + * Docsis - + * + */ + { + .name = "AvfsDmaMem", + .start = 0x6430E000, + /* (945K * 8) = (128K *3) 5 playbacks / 3 server */ + .end = 0x64AD0000 - 1, + .flags = IORESOURCE_IO, + }, + { + .name = "AvfsFileSys", + .start = 0x64AD0000, + .end = 0x64AD1000 - 1, /* 4K */ + .flags = IORESOURCE_IO, + }, + /* + * + * PMEM + * + * This driver requires: + * + * Arbitrary Based Buffers: + * Persistent memory for diagnostics. + * + */ + { + .name = "DiagPersistentMemory", + .start = 0x00000000, + .end = 0x10000 - 1, + .flags = IORESOURCE_MEM, + }, + /* + * + * Smartcard + * + * This driver requires: + * + * Arbitrary Based Buffers: + * Read and write buffers for Internal/External cards + * + */ + { + .name = "SmartCardInfo", + .start = 0x64AD1000, + .end = 0x64AD3800 - 1, + .flags = IORESOURCE_IO, + }, + /* + * + * KAVNET + * NP Reset Vector - must be of the form xxCxxxxx + * NP Image - must be video bank 1 + * NP IPC - must be video bank 2 + */ + { + .name = "NP_Reset_Vector", + .start = 0x27c00000, + .end = 0x27c01000 - 1, + .flags = IORESOURCE_MEM, + }, + { + .name = "NP_Image", + .start = 0x27020000, + .end = 0x27060000 - 1, + .flags = IORESOURCE_MEM, + }, + { + .name = "NP_IPC", + .start = 0x63500000, + .end = 0x63580000 - 1, + .flags = IORESOURCE_IO, + }, + /* + * Add other resources here + */ + { }, +}; + +/* + * NON_DVR_CAPABLE CRONUS RESOURCES + */ +struct resource non_dvr_cronus_resources[] __initdata = +{ + /* + * + * VIDEO1 / LX1 + * + */ + { + .name = "ST231aImage", /* Delta-Mu 1 image and ram */ + .start = 0x24000000, + .end = 0x241FFFFF, /* 2MiB */ + .flags = IORESOURCE_MEM, + }, + { + .name = "ST231aMonitor", /* 8KiB block ST231a monitor */ + .start = 0x24200000, + .end = 0x24201FFF, + .flags = IORESOURCE_MEM, + }, + { + .name = "MediaMemory1", + .start = 0x24202000, + .end = 0x25FFFFFF, /*~29.9MiB (32MiB - (2MiB + 8KiB)) */ + .flags = IORESOURCE_MEM, + }, + /* + * + * VIDEO2 / LX2 + * + */ + { + .name = "ST231bImage", /* Delta-Mu 2 image and ram */ + .start = 0x60000000, + .end = 0x601FFFFF, /* 2MiB */ + .flags = IORESOURCE_IO, + }, + { + .name = "ST231bMonitor", /* 8KiB block ST231b monitor */ + .start = 0x60200000, + .end = 0x60201FFF, + .flags = IORESOURCE_IO, + }, + { + .name = "MediaMemory2", + .start = 0x60202000, + .end = 0x61FFFFFF, /*~29.9MiB (32MiB - (2MiB + 8KiB)) */ + .flags = IORESOURCE_IO, + }, + /* + * + * Sysaudio Driver + * + * This driver requires: + * + * Arbitrary Based Buffers: + * DSP_Image_Buff - DSP code and data images (1MB) + * ADSC_CPU_PCM_Buff - ADSC CPU PCM buffer (40KB) + * ADSC_AUX_Buff - ADSC AUX buffer (16KB) + * ADSC_Main_Buff - ADSC Main buffer (16KB) + * + */ + { + .name = "DSP_Image_Buff", + .start = 0x00000000, + .end = 0x000FFFFF, + .flags = IORESOURCE_MEM, + }, + { + .name = "ADSC_CPU_PCM_Buff", + .start = 0x00000000, + .end = 0x00009FFF, + .flags = IORESOURCE_MEM, + }, + { + .name = "ADSC_AUX_Buff", + .start = 0x00000000, + .end = 0x00003FFF, + .flags = IORESOURCE_MEM, + }, + { + .name = "ADSC_Main_Buff", + .start = 0x00000000, + .end = 0x00003FFF, + .flags = IORESOURCE_MEM, + }, + /* + * + * STAVEM driver/STAPI + * + * This driver requires: + * + * Arbitrary Based Buffers: + * This memory area is used for allocating buffers for Video decoding + * purposes. Allocation/De-allocation within this buffer is managed + * by the STAVMEM driver of the STAPI. They could be Decimated + * Picture Buffers, Intermediate Buffers, as deemed necessary for + * video decoding purposes, for any video decoders on Zeus. + * + */ + { + .name = "AVMEMPartition0", + .start = 0x63580000, + .end = 0x64180000 - 1, /* 12 MB total */ + .flags = IORESOURCE_IO, + }, + /* + * + * DOCSIS Subsystem + * + * This driver requires: + * + * Arbitrary Based Buffers: + * Docsis - + * + */ + { + .name = "Docsis", + .start = 0x62000000, + .end = 0x62700000 - 1, /* 7 MB total */ + .flags = IORESOURCE_IO, + }, + /* + * + * GHW HAL Driver + * + * This driver requires: + * + * Arbitrary Based Buffers: + * GraphicsHeap - PowerTV Graphics Heap + * + */ + { + .name = "GraphicsHeap", + .start = 0x62700000, + .end = 0x63500000 - 1, /* 14 MB total */ + .flags = IORESOURCE_IO, + }, + /* + * + * multi com buffer area + * + * This driver requires: + * + * Arbitrary Based Buffers: + * Docsis - + * + */ + { + .name = "MulticomSHM", + .start = 0x26000000, + .end = 0x26020000 - 1, + .flags = IORESOURCE_MEM, + }, + /* + * + * DMA Ring buffer + * + * This driver requires: + * + * Arbitrary Based Buffers: + * Docsis - + * + */ + { + .name = "BMM_Buffer", + .start = 0x00000000, + .end = 0x000AA000 - 1, + .flags = IORESOURCE_MEM, + }, + /* + * + * Display bins buffer for unit0 + * + * This driver requires: + * + * Arbitrary Based Buffers: + * Display Bins for unit0 + * + */ + { + .name = "DisplayBins0", + .start = 0x00000000, + .end = 0x00000FFF, /* 4 KB total */ + .flags = IORESOURCE_MEM, + }, + /* + * + * Display bins buffer + * + * This driver requires: + * + * Arbitrary Based Buffers: + * Display Bins for unit1 + * + */ + { + .name = "DisplayBins1", + .start = 0x64AD4000, + .end = 0x64AD5000 - 1, /* 4 KB total */ + .flags = IORESOURCE_IO, + }, + /* + * + * AVFS: player HAL memory + * + * + */ + { + .name = "AvfsDmaMem", + .start = 0x6430E000, + .end = 0x645D2C00 - 1, /* 945K * 3 for playback */ + .flags = IORESOURCE_IO, + }, + /* + * + * PMEM + * + * This driver requires: + * + * Arbitrary Based Buffers: + * Persistent memory for diagnostics. + * + */ + { + .name = "DiagPersistentMemory", + .start = 0x00000000, + .end = 0x10000 - 1, + .flags = IORESOURCE_MEM, + }, + /* + * + * Smartcard + * + * This driver requires: + * + * Arbitrary Based Buffers: + * Read and write buffers for Internal/External cards + * + */ + { + .name = "SmartCardInfo", + .start = 0x64AD1000, + .end = 0x64AD3800 - 1, + .flags = IORESOURCE_IO, + }, + /* + * + * KAVNET + * NP Reset Vector - must be of the form xxCxxxxx + * NP Image - must be video bank 1 + * NP IPC - must be video bank 2 + */ + { + .name = "NP_Reset_Vector", + .start = 0x27c00000, + .end = 0x27c01000 - 1, + .flags = IORESOURCE_MEM, + }, + { + .name = "NP_Image", + .start = 0x27020000, + .end = 0x27060000 - 1, + .flags = IORESOURCE_MEM, + }, + { + .name = "NP_IPC", + .start = 0x63500000, + .end = 0x63580000 - 1, + .flags = IORESOURCE_IO, + }, + { }, +}; diff --git a/arch/mips/powertv/asic/prealloc-cronuslite.c b/arch/mips/powertv/asic/prealloc-cronuslite.c new file mode 100644 index 00000000000..23a905613c0 --- /dev/null +++ b/arch/mips/powertv/asic/prealloc-cronuslite.c @@ -0,0 +1,290 @@ +/* + * Memory pre-allocations for Cronus Lite boxes. + * + * Copyright (C) 2005-2009 Scientific-Atlanta, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * + * Author: Ken Eppinett + * David Schleef <ds@schleef.org> + */ + +#include <linux/init.h> +#include <asm/mach-powertv/asic.h> + +/* + * NON_DVR_CAPABLE CRONUSLITE RESOURCES + */ +struct resource non_dvr_cronuslite_resources[] __initdata = +{ + /* + * + * VIDEO2 / LX2 + * + */ + { + .name = "ST231aImage", /* Delta-Mu 2 image and ram */ + .start = 0x60000000, + .end = 0x601FFFFF, /* 2MiB */ + .flags = IORESOURCE_IO, + }, + { + .name = "ST231aMonitor", /* 8KiB block ST231b monitor */ + .start = 0x60200000, + .end = 0x60201FFF, + .flags = IORESOURCE_IO, + }, + { + .name = "MediaMemory1", + .start = 0x60202000, + .end = 0x61FFFFFF, /*~29.9MiB (32MiB - (2MiB + 8KiB)) */ + .flags = IORESOURCE_IO, + }, + /* + * + * Sysaudio Driver + * + * This driver requires: + * + * Arbitrary Based Buffers: + * DSP_Image_Buff - DSP code and data images (1MB) + * ADSC_CPU_PCM_Buff - ADSC CPU PCM buffer (40KB) + * ADSC_AUX_Buff - ADSC AUX buffer (16KB) + * ADSC_Main_Buff - ADSC Main buffer (16KB) + * + */ + { + .name = "DSP_Image_Buff", + .start = 0x00000000, + .end = 0x000FFFFF, + .flags = IORESOURCE_MEM, + }, + { + .name = "ADSC_CPU_PCM_Buff", + .start = 0x00000000, + .end = 0x00009FFF, + .flags = IORESOURCE_MEM, + }, + { + .name = "ADSC_AUX_Buff", + .start = 0x00000000, + .end = 0x00003FFF, + .flags = IORESOURCE_MEM, + }, + { + .name = "ADSC_Main_Buff", + .start = 0x00000000, + .end = 0x00003FFF, + .flags = IORESOURCE_MEM, + }, + /* + * + * STAVEM driver/STAPI + * + * This driver requires: + * + * Arbitrary Based Buffers: + * This memory area is used for allocating buffers for Video decoding + * purposes. Allocation/De-allocation within this buffer is managed + * by the STAVMEM driver of the STAPI. They could be Decimated + * Picture Buffers, Intermediate Buffers, as deemed necessary for + * video decoding purposes, for any video decoders on Zeus. + * + */ + { + .name = "AVMEMPartition0", + .start = 0x63580000, + .end = 0x63B80000 - 1, /* 6 MB total */ + .flags = IORESOURCE_IO, + }, + /* + * + * DOCSIS Subsystem + * + * This driver requires: + * + * Arbitrary Based Buffers: + * Docsis - + * + */ + { + .name = "Docsis", + .start = 0x62000000, + .end = 0x62700000 - 1, /* 7 MB total */ + .flags = IORESOURCE_IO, + }, + /* + * + * GHW HAL Driver + * + * This driver requires: + * + * Arbitrary Based Buffers: + * GraphicsHeap - PowerTV Graphics Heap + * + */ + { + .name = "GraphicsHeap", + .start = 0x62700000, + .end = 0x63500000 - 1, /* 14 MB total */ + .flags = IORESOURCE_IO, + }, + /* + * + * multi com buffer area + * + * This driver requires: + * + * Arbitrary Based Buffers: + * Docsis - + * + */ + { + .name = "MulticomSHM", + .start = 0x26000000, + .end = 0x26020000 - 1, + .flags = IORESOURCE_MEM, + }, + /* + * + * DMA Ring buffer + * + * This driver requires: + * + * Arbitrary Based Buffers: + * Docsis - + * + */ + { + .name = "BMM_Buffer", + .start = 0x00000000, + .end = 0x000AA000 - 1, + .flags = IORESOURCE_MEM, + }, + /* + * + * Display bins buffer for unit0 + * + * This driver requires: + * + * Arbitrary Based Buffers: + * Display Bins for unit0 + * + */ + { + .name = "DisplayBins0", + .start = 0x00000000, + .end = 0x00000FFF, /* 4 KB total */ + .flags = IORESOURCE_MEM, + }, + /* + * + * Display bins buffer + * + * This driver requires: + * + * Arbitrary Based Buffers: + * Display Bins for unit1 + * + */ + { + .name = "DisplayBins1", + .start = 0x63B83000, + .end = 0x63B84000 - 1, /* 4 KB total */ + .flags = IORESOURCE_IO, + }, + /* + * + * AVFS: player HAL memory + * + * + */ + { + .name = "AvfsDmaMem", + .start = 0x63B84000, + .end = 0x63E48C00 - 1, /* 945K * 3 for playback */ + .flags = IORESOURCE_IO, + }, + /* + * + * PMEM + * + * This driver requires: + * + * Arbitrary Based Buffers: + * Persistent memory for diagnostics. + * + */ + { + .name = "DiagPersistentMemory", + .start = 0x00000000, + .end = 0x10000 - 1, + .flags = IORESOURCE_MEM, + }, + /* + * + * Smartcard + * + * This driver requires: + * + * Arbitrary Based Buffers: + * Read and write buffers for Internal/External cards + * + */ + { + .name = "SmartCardInfo", + .start = 0x63B80000, + .end = 0x63B82800 - 1, + .flags = IORESOURCE_IO, + }, + /* + * + * KAVNET + * NP Reset Vector - must be of the form xxCxxxxx + * NP Image - must be video bank 1 + * NP IPC - must be video bank 2 + */ + { + .name = "NP_Reset_Vector", + .start = 0x27c00000, + .end = 0x27c01000 - 1, + .flags = IORESOURCE_MEM, + }, + { + .name = "NP_Image", + .start = 0x27020000, + .end = 0x27060000 - 1, + .flags = IORESOURCE_MEM, + }, + { + .name = "NP_IPC", + .start = 0x63500000, + .end = 0x63580000 - 1, + .flags = IORESOURCE_IO, + }, + /* + * NAND Flash + */ + { + .name = "NandFlash", + .start = NAND_FLASH_BASE, + .end = NAND_FLASH_BASE + 0x400 - 1, + .flags = IORESOURCE_IO, + }, + /* + * Add other resources here + */ + { }, +}; diff --git a/arch/mips/powertv/asic/prealloc-zeus.c b/arch/mips/powertv/asic/prealloc-zeus.c new file mode 100644 index 00000000000..018d4514dbe --- /dev/null +++ b/arch/mips/powertv/asic/prealloc-zeus.c @@ -0,0 +1,459 @@ +/* + * Memory pre-allocations for Zeus boxes. + * + * Copyright (C) 2005-2009 Scientific-Atlanta, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * + * Author: Ken Eppinett + * David Schleef <ds@schleef.org> + */ + +#include <linux/init.h> +#include <asm/mach-powertv/asic.h> + +/* + * DVR_CAPABLE RESOURCES + */ +struct resource dvr_zeus_resources[] __initdata = +{ + /* + * + * VIDEO1 / LX1 + * + */ + { + .name = "ST231aImage", /* Delta-Mu 1 image and ram */ + .start = 0x20000000, + .end = 0x201FFFFF, /* 2MiB */ + .flags = IORESOURCE_IO, + }, + { + .name = "ST231aMonitor", /* 8KiB block ST231a monitor */ + .start = 0x20200000, + .end = 0x20201FFF, + .flags = IORESOURCE_IO, + }, + { + .name = "MediaMemory1", + .start = 0x20202000, + .end = 0x21FFFFFF, /*~29.9MiB (32MiB - (2MiB + 8KiB)) */ + .flags = IORESOURCE_IO, + }, + /* + * + * VIDEO2 / LX2 + * + */ + { + .name = "ST231bImage", /* Delta-Mu 2 image and ram */ + .start = 0x30000000, + .end = 0x301FFFFF, /* 2MiB */ + .flags = IORESOURCE_IO, + }, + { + .name = "ST231bMonitor", /* 8KiB block ST231b monitor */ + .start = 0x30200000, + .end = 0x30201FFF, + .flags = IORESOURCE_IO, + }, + { + .name = "MediaMemory2", + .start = 0x30202000, + .end = 0x31FFFFFF, /*~29.9MiB (32MiB - (2MiB + 8KiB)) */ + .flags = IORESOURCE_IO, + }, + /* + * + * Sysaudio Driver + * + * This driver requires: + * + * Arbitrary Based Buffers: + * DSP_Image_Buff - DSP code and data images (1MB) + * ADSC_CPU_PCM_Buff - ADSC CPU PCM buffer (40KB) + * ADSC_AUX_Buff - ADSC AUX buffer (16KB) + * ADSC_Main_Buff - ADSC Main buffer (16KB) + * + */ + { + .name = "DSP_Image_Buff", + .start = 0x00000000, + .end = 0x000FFFFF, + .flags = IORESOURCE_MEM, + }, + { + .name = "ADSC_CPU_PCM_Buff", + .start = 0x00000000, + .end = 0x00009FFF, + .flags = IORESOURCE_MEM, + }, + { + .name = "ADSC_AUX_Buff", + .start = 0x00000000, + .end = 0x00003FFF, + .flags = IORESOURCE_MEM, + }, + { + .name = "ADSC_Main_Buff", + .start = 0x00000000, + .end = 0x00003FFF, + .flags = IORESOURCE_MEM, + }, + /* + * + * STAVEM driver/STAPI + * + * This driver requires: + * + * Arbitrary Based Buffers: + * This memory area is used for allocating buffers for Video decoding + * purposes. Allocation/De-allocation within this buffer is managed + * by the STAVMEM driver of the STAPI. They could be Decimated + * Picture Buffers, Intermediate Buffers, as deemed necessary for + * video decoding purposes, for any video decoders on Zeus. + * + */ + { + .name = "AVMEMPartition0", + .start = 0x00000000, + .end = 0x00c00000 - 1, /* 12 MB total */ + .flags = IORESOURCE_MEM, + }, + /* + * + * DOCSIS Subsystem + * + * This driver requires: + * + * Arbitrary Based Buffers: + * Docsis - + * + */ + { + .name = "Docsis", + .start = 0x40100000, + .end = 0x407fffff, + .flags = IORESOURCE_MEM, + }, + /* + * + * GHW HAL Driver + * + * This driver requires: + * + * Arbitrary Based Buffers: + * GraphicsHeap - PowerTV Graphics Heap + * + */ + { + .name = "GraphicsHeap", + .start = 0x46900000, + .end = 0x47700000 - 1, /* 14 MB total */ + .flags = IORESOURCE_MEM, + }, + /* + * + * multi com buffer area + * + * This driver requires: + * + * Arbitrary Based Buffers: + * Docsis - + * + */ + { + .name = "MulticomSHM", + .start = 0x47900000, + .end = 0x47920000 - 1, + .flags = IORESOURCE_MEM, + }, + /* + * + * DMA Ring buffer + * + * This driver requires: + * + * Arbitrary Based Buffers: + * Docsis - + * + */ + { + .name = "BMM_Buffer", + .start = 0x00000000, + .end = 0x00280000 - 1, + .flags = IORESOURCE_MEM, + }, + /* + * + * Display bins buffer for unit0 + * + * This driver requires: + * + * Arbitrary Based Buffers: + * Display Bins for unit0 + * + */ + { + .name = "DisplayBins0", + .start = 0x00000000, + .end = 0x00000FFF, /* 4 KB total */ + .flags = IORESOURCE_MEM, + }, + /* + * + * Display bins buffer + * + * This driver requires: + * + * Arbitrary Based Buffers: + * Display Bins for unit1 + * + */ + { + .name = "DisplayBins1", + .start = 0x00000000, + .end = 0x00000FFF, /* 4 KB total */ + .flags = IORESOURCE_MEM, + }, + /* + * + * ITFS + * + * This driver requires: + * + * Arbitrary Based Buffers: + * Docsis - + * + */ + { + .name = "ITFS", + .start = 0x00000000, + /* 815,104 bytes each for 2 ITFS partitions. */ + .end = 0x0018DFFF, + .flags = IORESOURCE_MEM, + }, + /* + * + * AVFS + * + * This driver requires: + * + * Arbitrary Based Buffers: + * Docsis - + * + */ + { + .name = "AvfsDmaMem", + .start = 0x00000000, + /* (945K * 8) = (128K * 3) 5 playbacks / 3 server */ + .end = 0x007c2000 - 1, + .flags = IORESOURCE_MEM, + }, + { + .name = "AvfsFileSys", + .start = 0x00000000, + .end = 0x00001000 - 1, /* 4K */ + .flags = IORESOURCE_MEM, + }, + /* + * + * PMEM + * + * This driver requires: + * + * Arbitrary Based Buffers: + * Persistent memory for diagnostics. + * + */ + { + .name = "DiagPersistentMemory", + .start = 0x00000000, + .end = 0x10000 - 1, + .flags = IORESOURCE_MEM, + }, + /* + * + * Smartcard + * + * This driver requires: + * + * Arbitrary Based Buffers: + * Read and write buffers for Internal/External cards + * + */ + { + .name = "SmartCardInfo", + .start = 0x00000000, + .end = 0x2800 - 1, + .flags = IORESOURCE_MEM, + }, + /* + * Add other resources here + */ + { }, +}; + +/* + * NON_DVR_CAPABLE ZEUS RESOURCES + */ +struct resource non_dvr_zeus_resources[] __initdata = +{ + /* + * VIDEO1 / LX1 + */ + { + .name = "ST231aImage", /* Delta-Mu 1 image and ram */ + .start = 0x20000000, + .end = 0x201FFFFF, /* 2MiB */ + .flags = IORESOURCE_IO, + }, + { + .name = "ST231aMonitor", /* 8KiB block ST231a monitor */ + .start = 0x20200000, + .end = 0x20201FFF, + .flags = IORESOURCE_IO, + }, + { + .name = "MediaMemory1", + .start = 0x20202000, + .end = 0x21FFFFFF, /*~29.9MiB (32MiB - (2MiB + 8KiB)) */ + .flags = IORESOURCE_IO, + }, + /* + * Sysaudio Driver + */ + { + .name = "DSP_Image_Buff", + .start = 0x00000000, + .end = 0x000FFFFF, + .flags = IORESOURCE_MEM, + }, + { + .name = "ADSC_CPU_PCM_Buff", + .start = 0x00000000, + .end = 0x00009FFF, + .flags = IORESOURCE_MEM, + }, + { + .name = "ADSC_AUX_Buff", + .start = 0x00000000, + .end = 0x00003FFF, + .flags = IORESOURCE_MEM, + }, + { + .name = "ADSC_Main_Buff", + .start = 0x00000000, + .end = 0x00003FFF, + .flags = IORESOURCE_MEM, + }, + /* + * STAVEM driver/STAPI + */ + { + .name = "AVMEMPartition0", + .start = 0x00000000, + .end = 0x00600000 - 1, /* 6 MB total */ + .flags = IORESOURCE_MEM, + }, + /* + * DOCSIS Subsystem + */ + { + .name = "Docsis", + .start = 0x40100000, + .end = 0x407fffff, + .flags = IORESOURCE_MEM, + }, + /* + * GHW HAL Driver + */ + { + .name = "GraphicsHeap", + .start = 0x46900000, + .end = 0x47700000 - 1, /* 14 MB total */ + .flags = IORESOURCE_MEM, + }, + /* + * multi com buffer area + */ + { + .name = "MulticomSHM", + .start = 0x47900000, + .end = 0x47920000 - 1, + .flags = IORESOURCE_MEM, + }, + /* + * DMA Ring buffer + */ + { + .name = "BMM_Buffer", + .start = 0x00000000, + .end = 0x00280000 - 1, + .flags = IORESOURCE_MEM, + }, + /* + * Display bins buffer for unit0 + */ + { + .name = "DisplayBins0", + .start = 0x00000000, + .end = 0x00000FFF, /* 4 KB total */ + .flags = IORESOURCE_MEM, + }, + /* + * + * AVFS: player HAL memory + * + * + */ + { + .name = "AvfsDmaMem", + .start = 0x00000000, + .end = 0x002c4c00 - 1, /* 945K * 3 for playback */ + .flags = IORESOURCE_MEM, + }, + /* + * PMEM + */ + { + .name = "DiagPersistentMemory", + .start = 0x00000000, + .end = 0x10000 - 1, + .flags = IORESOURCE_MEM, + }, + /* + * Smartcard + */ + { + .name = "SmartCardInfo", + .start = 0x00000000, + .end = 0x2800 - 1, + .flags = IORESOURCE_MEM, + }, + /* + * NAND Flash + */ + { + .name = "NandFlash", + .start = NAND_FLASH_BASE, + .end = NAND_FLASH_BASE + 0x400 - 1, + .flags = IORESOURCE_IO, + }, + /* + * Add other resources here + */ + { }, +}; diff --git a/arch/mips/powertv/cmdline.c b/arch/mips/powertv/cmdline.c new file mode 100644 index 00000000000..98d73cb0d45 --- /dev/null +++ b/arch/mips/powertv/cmdline.c @@ -0,0 +1,52 @@ +/* + * Carsten Langgaard, carstenl@mips.com + * Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved. + * Portions copyright (C) 2009 Cisco Systems, Inc. + * + * This program is free software; you can distribute it and/or modify it + * under the terms of the GNU General Public License (Version 2) as + * published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. + * + * Kernel command line creation using the prom monitor (YAMON) argc/argv. + */ +#include <linux/init.h> +#include <linux/string.h> + +#include <asm/bootinfo.h> + +#include "init.h" + +/* + * YAMON (32-bit PROM) pass arguments and environment as 32-bit pointer. + * This macro take care of sign extension. + */ +#define prom_argv(index) ((char *)(long)_prom_argv[(index)]) + +char * __init prom_getcmdline(void) +{ + return &(arcs_cmdline[0]); +} + +void __init prom_init_cmdline(void) +{ + int len; + + if (prom_argc != 1) + return; + + len = strlen(arcs_cmdline); + + arcs_cmdline[len] = ' '; + + strlcpy(arcs_cmdline + len + 1, (char *)_prom_argv, + COMMAND_LINE_SIZE - len - 1); +} diff --git a/arch/mips/powertv/init.c b/arch/mips/powertv/init.c new file mode 100644 index 00000000000..5f4e4c304e4 --- /dev/null +++ b/arch/mips/powertv/init.c @@ -0,0 +1,128 @@ +/* + * Copyright (C) 1999, 2000, 2004, 2005 MIPS Technologies, Inc. + * All rights reserved. + * Authors: Carsten Langgaard <carstenl@mips.com> + * Maciej W. Rozycki <macro@mips.com> + * Portions copyright (C) 2009 Cisco Systems, Inc. + * + * This program is free software; you can distribute it and/or modify it + * under the terms of the GNU General Public License (Version 2) as + * published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. + * + * PROM library initialisation code. + */ +#include <linux/init.h> +#include <linux/string.h> +#include <linux/kernel.h> + +#include <asm/bootinfo.h> +#include <linux/io.h> +#include <asm/system.h> +#include <asm/cacheflush.h> +#include <asm/traps.h> + +#include <asm/mips-boards/prom.h> +#include <asm/mips-boards/generic.h> +#include <asm/mach-powertv/asic.h> + +#include "init.h" + +int prom_argc; +int *_prom_argv, *_prom_envp; +unsigned long _prom_memsize; + +/* + * YAMON (32-bit PROM) pass arguments and environment as 32-bit pointer. + * This macro take care of sign extension, if running in 64-bit mode. + */ +#define prom_envp(index) ((char *)(long)_prom_envp[(index)]) + +char *prom_getenv(char *envname) +{ + char *result = NULL; + + if (_prom_envp != NULL) { + /* + * Return a pointer to the given environment variable. + * In 64-bit mode: we're using 64-bit pointers, but all pointers + * in the PROM structures are only 32-bit, so we need some + * workarounds, if we are running in 64-bit mode. + */ + int i, index = 0; + + i = strlen(envname); + + while (prom_envp(index)) { + if (strncmp(envname, prom_envp(index), i) == 0) { + result = prom_envp(index + 1); + break; + } + index += 2; + } + } + + return result; +} + +/* TODO: Verify on linux-mips mailing list that the following two */ +/* functions are correct */ +/* TODO: Copy NMI and EJTAG exception vectors to memory from the */ +/* BootROM exception vectors. Flush their cache entries. test it. */ + +static void __init mips_nmi_setup(void) +{ + void *base; +#if defined(CONFIG_CPU_MIPS32_R1) + base = cpu_has_veic ? + (void *)(CAC_BASE + 0xa80) : + (void *)(CAC_BASE + 0x380); +#elif defined(CONFIG_CPU_MIPS32_R2) + base = (void *)0xbfc00000; +#else +#error NMI exception handler address not defined +#endif +} + +static void __init mips_ejtag_setup(void) +{ + void *base; + +#if defined(CONFIG_CPU_MIPS32_R1) + base = cpu_has_veic ? + (void *)(CAC_BASE + 0xa00) : + (void *)(CAC_BASE + 0x300); +#elif defined(CONFIG_CPU_MIPS32_R2) + base = (void *)0xbfc00480; +#else +#error EJTAG exception handler address not defined +#endif +} + +void __init prom_init(void) +{ + prom_argc = fw_arg0; + _prom_argv = (int *) fw_arg1; + _prom_envp = (int *) fw_arg2; + _prom_memsize = (unsigned long) fw_arg3; + + board_nmi_handler_setup = mips_nmi_setup; + board_ejtag_handler_setup = mips_ejtag_setup; + + pr_info("\nLINUX started...\n"); + prom_init_cmdline(); + configure_platform(); + prom_meminit(); + +#ifndef CONFIG_BOOTLOADER_DRIVER + pr_info("\nBootloader driver isn't loaded...\n"); +#endif +} diff --git a/arch/mips/powertv/init.h b/arch/mips/powertv/init.h new file mode 100644 index 00000000000..7af6bf25008 --- /dev/null +++ b/arch/mips/powertv/init.h @@ -0,0 +1,28 @@ +/* + * Definitions from powertv init.c file + * + * Copyright (C) 2009 Cisco Systems, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * + * Author: David VomLehn + */ + +#ifndef _POWERTV_INIT_H +#define _POWERTV_INIT_H +extern int prom_argc; +extern int *_prom_argv; +extern unsigned long _prom_memsize; +#endif diff --git a/arch/mips/powertv/memory.c b/arch/mips/powertv/memory.c new file mode 100644 index 00000000000..28d06605fff --- /dev/null +++ b/arch/mips/powertv/memory.c @@ -0,0 +1,186 @@ +/* + * Carsten Langgaard, carstenl@mips.com + * Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved. + * Portions copyright (C) 2009 Cisco Systems, Inc. + * + * This program is free software; you can distribute it and/or modify it + * under the terms of the GNU General Public License (Version 2) as + * published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. + * + * Apparently originally from arch/mips/malta-memory.c. Modified to work + * with the PowerTV bootloader. + */ +#include <linux/init.h> +#include <linux/mm.h> +#include <linux/bootmem.h> +#include <linux/pfn.h> +#include <linux/string.h> + +#include <asm/bootinfo.h> +#include <asm/page.h> +#include <asm/sections.h> + +#include <asm/mips-boards/prom.h> + +#include "init.h" + +/* Memory constants */ +#define KIBIBYTE(n) ((n) * 1024) /* Number of kibibytes */ +#define MEBIBYTE(n) ((n) * KIBIBYTE(1024)) /* Number of mebibytes */ +#define DEFAULT_MEMSIZE MEBIBYTE(256) /* If no memsize provided */ +#define LOW_MEM_MAX MEBIBYTE(252) /* Max usable low mem */ +#define RES_BOOTLDR_MEMSIZE MEBIBYTE(1) /* Memory reserved for bldr */ +#define BOOT_MEM_SIZE KIBIBYTE(256) /* Memory reserved for bldr */ +#define PHYS_MEM_START 0x10000000 /* Start of physical memory */ + +unsigned long ptv_memsize; + +char __initdata cmdline[COMMAND_LINE_SIZE]; + +void __init prom_meminit(void) +{ + char *memsize_str; + unsigned long memsize = 0; + unsigned int physend; + char *ptr; + int low_mem; + int high_mem; + + /* Check the command line first for a memsize directive */ + strcpy(cmdline, arcs_cmdline); + ptr = strstr(cmdline, "memsize="); + if (ptr && (ptr != cmdline) && (*(ptr - 1) != ' ')) + ptr = strstr(ptr, " memsize="); + + if (ptr) { + memsize = memparse(ptr + 8, &ptr); + } else { + /* otherwise look in the environment */ + memsize_str = prom_getenv("memsize"); + + if (memsize_str != NULL) { + pr_info("prom memsize = %s\n", memsize_str); + memsize = simple_strtol(memsize_str, NULL, 0); + } + + if (memsize == 0) { + if (_prom_memsize != 0) { + memsize = _prom_memsize; + pr_info("_prom_memsize = 0x%lx\n", memsize); + /* add in memory that the bootloader doesn't + * report */ + memsize += BOOT_MEM_SIZE; + } else { + memsize = DEFAULT_MEMSIZE; + pr_info("Memsize not passed by bootloader, " + "defaulting to 0x%lx\n", memsize); + } + } + } + + /* Store memsize for diagnostic purposes */ + ptv_memsize = memsize; + + physend = PFN_ALIGN(&_end) - 0x80000000; + if (memsize > LOW_MEM_MAX) { + low_mem = LOW_MEM_MAX; + high_mem = memsize - low_mem; + } else { + low_mem = memsize; + high_mem = 0; + } + +/* + * TODO: We will use the hard code for memory configuration until + * the bootloader releases their device tree to us. + */ + /* + * Add the memory reserved for use by the bootloader to the + * memory map. + */ + add_memory_region(PHYS_MEM_START, RES_BOOTLDR_MEMSIZE, + BOOT_MEM_RESERVED); +#ifdef CONFIG_HIGHMEM_256_128 + /* + * Add memory in low for general use by the kernel and its friends + * (like drivers, applications, etc). + */ + add_memory_region(PHYS_MEM_START + RES_BOOTLDR_MEMSIZE, + LOW_MEM_MAX - RES_BOOTLDR_MEMSIZE, BOOT_MEM_RAM); + /* + * Add the memory reserved for reset vector. + */ + add_memory_region(0x1fc00000, MEBIBYTE(4), BOOT_MEM_RESERVED); + /* + * Add the memory reserved. + */ + add_memory_region(0x20000000, MEBIBYTE(1024 + 75), BOOT_MEM_RESERVED); + /* + * Add memory in high for general use by the kernel and its friends + * (like drivers, applications, etc). + * + * 75MB is reserved for devices which are using the memory in high. + */ + add_memory_region(0x60000000 + MEBIBYTE(75), MEBIBYTE(128 - 75), + BOOT_MEM_RAM); +#elif defined CONFIG_HIGHMEM_128_128 + /* + * Add memory in low for general use by the kernel and its friends + * (like drivers, applications, etc). + */ + add_memory_region(PHYS_MEM_START + RES_BOOTLDR_MEMSIZE, + MEBIBYTE(128) - RES_BOOTLDR_MEMSIZE, BOOT_MEM_RAM); + /* + * Add the memory reserved. + */ + add_memory_region(PHYS_MEM_START + MEBIBYTE(128), + MEBIBYTE(128 + 1024 + 75), BOOT_MEM_RESERVED); + /* + * Add memory in high for general use by the kernel and its friends + * (like drivers, applications, etc). + * + * 75MB is reserved for devices which are using the memory in high. + */ + add_memory_region(0x60000000 + MEBIBYTE(75), MEBIBYTE(128 - 75), + BOOT_MEM_RAM); +#else + /* Add low memory regions for either: + * - no-highmemory configuration case -OR- + * - highmemory "HIGHMEM_LOWBANK_ONLY" case + */ + /* + * Add memory for general use by the kernel and its friends + * (like drivers, applications, etc). + */ + add_memory_region(PHYS_MEM_START + RES_BOOTLDR_MEMSIZE, + low_mem - RES_BOOTLDR_MEMSIZE, BOOT_MEM_RAM); + /* + * Add the memory reserved for reset vector. + */ + add_memory_region(0x1fc00000, MEBIBYTE(4), BOOT_MEM_RESERVED); +#endif +} + +void __init prom_free_prom_memory(void) +{ + unsigned long addr; + int i; + + for (i = 0; i < boot_mem_map.nr_map; i++) { + if (boot_mem_map.map[i].type != BOOT_MEM_ROM_DATA) + continue; + + addr = boot_mem_map.map[i].addr; + free_init_pages("prom memory", + addr, addr + boot_mem_map.map[i].size); + } +} diff --git a/arch/mips/powertv/pci/Makefile b/arch/mips/powertv/pci/Makefile new file mode 100644 index 00000000000..f5c62462fc9 --- /dev/null +++ b/arch/mips/powertv/pci/Makefile @@ -0,0 +1,21 @@ +# +# Copyright (C) 2009 Scientific-Atlanta, Inc. +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +# + +obj-$(CONFIG_PCI) += fixup-powertv.o + +EXTRA_CFLAGS += -Wall -Werror diff --git a/arch/mips/powertv/pci/fixup-powertv.c b/arch/mips/powertv/pci/fixup-powertv.c new file mode 100644 index 00000000000..726bc2e824b --- /dev/null +++ b/arch/mips/powertv/pci/fixup-powertv.c @@ -0,0 +1,36 @@ +#include <linux/init.h> +#include <linux/pci.h> +#include <asm/mach-powertv/interrupts.h> +#include "powertv-pci.h" + +int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) +{ + return asic_pcie_map_irq(dev, slot, pin); +} + +/* Do platform specific device initialization at pci_enable_device() time */ +int pcibios_plat_dev_init(struct pci_dev *dev) +{ + return 0; +} + +/* + * asic_pcie_map_irq + * + * Parameters: + * *dev - pointer to a pci_dev structure (not used) + * slot - slot number (not used) + * pin - pin number (not used) + * + * Return Value: + * Returns: IRQ number (always the PCI Express IRQ number) + * + * Description: + * asic_pcie_map_irq will return the IRQ number of the PCI Express interrupt. + * + */ +int asic_pcie_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) +{ + return irq_pciexp; +} +EXPORT_SYMBOL(asic_pcie_map_irq); diff --git a/arch/mips/powertv/pci/powertv-pci.h b/arch/mips/powertv/pci/powertv-pci.h new file mode 100644 index 00000000000..1b5886bbd75 --- /dev/null +++ b/arch/mips/powertv/pci/powertv-pci.h @@ -0,0 +1,31 @@ +/* + * powertv-pci.c + * + * Copyright (C) 2009 Cisco Systems, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ +/* + * Local definitions for the powertv PCI code + */ + +#ifndef _POWERTV_PCI_POWERTV_PCI_H_ +#define _POWERTV_PCI_POWERTV_PCI_H_ +extern int asic_pcie_map_irq(const struct pci_dev *dev, u8 slot, u8 pin); +extern int asic_pcie_init(void); +extern int asic_pcie_init(void); + +extern int log_level; +#endif diff --git a/arch/mips/powertv/powertv-clock.h b/arch/mips/powertv/powertv-clock.h new file mode 100644 index 00000000000..d94c5431148 --- /dev/null +++ b/arch/mips/powertv/powertv-clock.h @@ -0,0 +1,26 @@ +/* + * Copyright (C) 2009 Cisco Systems, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * + * Author: David VomLehn + */ + +#ifndef _POWERTV_POWERTV_CLOCK_H +#define _POWERTV_POWERTV_CLOCK_H +extern int powertv_clockevent_init(void); +extern void powertv_clocksource_init(void); +extern unsigned int mips_get_pll_freq(void); +#endif diff --git a/arch/mips/powertv/powertv_setup.c b/arch/mips/powertv/powertv_setup.c new file mode 100644 index 00000000000..bd8ebf128f2 --- /dev/null +++ b/arch/mips/powertv/powertv_setup.c @@ -0,0 +1,351 @@ +/* + * Carsten Langgaard, carstenl@mips.com + * Copyright (C) 2000 MIPS Technologies, Inc. All rights reserved. + * Portions copyright (C) 2009 Cisco Systems, Inc. + * + * This program is free software; you can distribute it and/or modify it + * under the terms of the GNU General Public License (Version 2) as + * published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. + */ +#include <linux/init.h> +#include <linux/sched.h> +#include <linux/ioport.h> +#include <linux/pci.h> +#include <linux/screen_info.h> +#include <linux/notifier.h> +#include <linux/etherdevice.h> +#include <linux/if_ether.h> +#include <linux/ctype.h> + +#include <linux/cpu.h> +#include <asm/bootinfo.h> +#include <asm/irq.h> +#include <asm/mips-boards/generic.h> +#include <asm/mips-boards/prom.h> +#include <asm/dma.h> +#include <linux/time.h> +#include <asm/traps.h> +#include <asm/asm-offsets.h> +#include "reset.h" + +#define VAL(n) STR(n) + +/* + * Macros for loading addresses and storing registers: + * PTR_LA Load the address into a register + * LONG_S Store the full width of the given register. + * LONG_L Load the full width of the given register + * PTR_ADDIU Add a constant value to a register used as a pointer + * REG_SIZE Number of 8-bit bytes in a full width register + */ +#ifdef CONFIG_64BIT +#warning TODO: 64-bit code needs to be verified +#define PTR_LA "dla " +#define LONG_S "sd " +#define LONG_L "ld " +#define PTR_ADDIU "daddiu " +#define REG_SIZE "8" /* In bytes */ +#endif + +#ifdef CONFIG_32BIT +#define PTR_LA "la " +#define LONG_S "sw " +#define LONG_L "lw " +#define PTR_ADDIU "addiu " +#define REG_SIZE "4" /* In bytes */ +#endif + +static struct pt_regs die_regs; +static bool have_die_regs; + +static void register_panic_notifier(void); +static int panic_handler(struct notifier_block *notifier_block, + unsigned long event, void *cause_string); + +const char *get_system_type(void) +{ + return "PowerTV"; +} + +void __init plat_mem_setup(void) +{ + panic_on_oops = 1; + register_panic_notifier(); + +#if 0 + mips_pcibios_init(); +#endif + mips_reboot_setup(); +} + +/* + * Install a panic notifier for platform-specific diagnostics + */ +static void register_panic_notifier() +{ + static struct notifier_block panic_notifier = { + .notifier_call = panic_handler, + .next = NULL, + .priority = INT_MAX + }; + atomic_notifier_chain_register(&panic_notifier_list, &panic_notifier); +} + +static int panic_handler(struct notifier_block *notifier_block, + unsigned long event, void *cause_string) +{ + struct pt_regs my_regs; + + /* Save all of the registers */ + { + unsigned long at, v0, v1; /* Must be on the stack */ + + /* Start by saving $at and v0 on the stack. We use $at + * ourselves, but it looks like the compiler may use v0 or v1 + * to load the address of the pt_regs structure. We'll come + * back later to store the registers in the pt_regs + * structure. */ + __asm__ __volatile__ ( + ".set noat\n" + LONG_S "$at, %[at]\n" + LONG_S "$2, %[v0]\n" + LONG_S "$3, %[v1]\n" + : + [at] "=m" (at), + [v0] "=m" (v0), + [v1] "=m" (v1) + : + : "at" + ); + + __asm__ __volatile__ ( + ".set noat\n" + "move $at, %[pt_regs]\n" + + /* Argument registers */ + LONG_S "$4, " VAL(PT_R4) "($at)\n" + LONG_S "$5, " VAL(PT_R5) "($at)\n" + LONG_S "$6, " VAL(PT_R6) "($at)\n" + LONG_S "$7, " VAL(PT_R7) "($at)\n" + + /* Temporary regs */ + LONG_S "$8, " VAL(PT_R8) "($at)\n" + LONG_S "$9, " VAL(PT_R9) "($at)\n" + LONG_S "$10, " VAL(PT_R10) "($at)\n" + LONG_S "$11, " VAL(PT_R11) "($at)\n" + LONG_S "$12, " VAL(PT_R12) "($at)\n" + LONG_S "$13, " VAL(PT_R13) "($at)\n" + LONG_S "$14, " VAL(PT_R14) "($at)\n" + LONG_S "$15, " VAL(PT_R15) "($at)\n" + + /* "Saved" registers */ + LONG_S "$16, " VAL(PT_R16) "($at)\n" + LONG_S "$17, " VAL(PT_R17) "($at)\n" + LONG_S "$18, " VAL(PT_R18) "($at)\n" + LONG_S "$19, " VAL(PT_R19) "($at)\n" + LONG_S "$20, " VAL(PT_R20) "($at)\n" + LONG_S "$21, " VAL(PT_R21) "($at)\n" + LONG_S "$22, " VAL(PT_R22) "($at)\n" + LONG_S "$23, " VAL(PT_R23) "($at)\n" + + /* Add'l temp regs */ + LONG_S "$24, " VAL(PT_R24) "($at)\n" + LONG_S "$25, " VAL(PT_R25) "($at)\n" + + /* Kernel temp regs */ + LONG_S "$26, " VAL(PT_R26) "($at)\n" + LONG_S "$27, " VAL(PT_R27) "($at)\n" + + /* Global pointer, stack pointer, frame pointer and + * return address */ + LONG_S "$gp, " VAL(PT_R28) "($at)\n" + LONG_S "$sp, " VAL(PT_R29) "($at)\n" + LONG_S "$fp, " VAL(PT_R30) "($at)\n" + LONG_S "$ra, " VAL(PT_R31) "($at)\n" + + /* Now we can get the $at and v0 registers back and + * store them */ + LONG_L "$8, %[at]\n" + LONG_S "$8, " VAL(PT_R1) "($at)\n" + LONG_L "$8, %[v0]\n" + LONG_S "$8, " VAL(PT_R2) "($at)\n" + LONG_L "$8, %[v1]\n" + LONG_S "$8, " VAL(PT_R3) "($at)\n" + : + : + [at] "m" (at), + [v0] "m" (v0), + [v1] "m" (v1), + [pt_regs] "r" (&my_regs) + : "at", "t0" + ); + + /* Set the current EPC value to be the current location in this + * function */ + __asm__ __volatile__ ( + ".set noat\n" + "1:\n" + PTR_LA "$at, 1b\n" + LONG_S "$at, %[cp0_epc]\n" + : + [cp0_epc] "=m" (my_regs.cp0_epc) + : + : "at" + ); + + my_regs.cp0_cause = read_c0_cause(); + my_regs.cp0_status = read_c0_status(); + } + +#ifdef CONFIG_DIAGNOSTICS + failure_report((char *) cause_string, + have_die_regs ? &die_regs : &my_regs); + have_die_regs = false; +#else + pr_crit("I'm feeling a bit sleepy. hmmmmm... perhaps a nap would... " + "zzzz... \n"); +#endif + + return NOTIFY_DONE; +} + +/** + * Platform-specific handling of oops + * @str: Pointer to the oops string + * @regs: Pointer to the oops registers + * All we do here is to save the registers for subsequent printing through + * the panic notifier. + */ +void platform_die(const char *str, const struct pt_regs *regs) +{ + /* If we already have saved registers, don't overwrite them as they + * they apply to the initial fault */ + + if (!have_die_regs) { + have_die_regs = true; + die_regs = *regs; + } +} + +/* Information about the RF MAC address, if one was supplied on the + * command line. */ +static bool have_rfmac; +static u8 rfmac[ETH_ALEN]; + +static int rfmac_param(char *p) +{ + u8 *q; + bool is_high_nibble; + int c; + + /* Skip a leading "0x", if present */ + if (*p == '0' && *(p+1) == 'x') + p += 2; + + q = rfmac; + is_high_nibble = true; + + for (c = (unsigned char) *p++; + isxdigit(c) && q - rfmac < ETH_ALEN; + c = (unsigned char) *p++) { + int nibble; + + nibble = (isdigit(c) ? (c - '0') : + (isupper(c) ? c - 'A' + 10 : c - 'a' + 10)); + + if (is_high_nibble) + *q = nibble << 4; + else + *q++ |= nibble; + + is_high_nibble = !is_high_nibble; + } + + /* If we parsed all the way to the end of the parameter value and + * parsed all ETH_ALEN bytes, we have a usable RF MAC address */ + have_rfmac = (c == '\0' && q - rfmac == ETH_ALEN); + + return 0; +} + +early_param("rfmac", rfmac_param); + +/* + * Generate an Ethernet MAC address that has a good chance of being unique. + * @addr: Pointer to six-byte array containing the Ethernet address + * Generates an Ethernet MAC address that is highly likely to be unique for + * this particular system on a network with other systems of the same type. + * + * The problem we are solving is that, when random_ether_addr() is used to + * generate MAC addresses at startup, there isn't much entropy for the random + * number generator to use and the addresses it produces are fairly likely to + * be the same as those of other identical systems on the same local network. + * This is true even for relatively small numbers of systems (for the reason + * why, see the Wikipedia entry for "Birthday problem" at: + * http://en.wikipedia.org/wiki/Birthday_problem + * + * The good news is that we already have a MAC address known to be unique, the + * RF MAC address. The bad news is that this address is already in use on the + * RF interface. Worse, the obvious trick, taking the RF MAC address and + * turning on the locally managed bit, has already been used for other devices. + * Still, this does give us something to work with. + * + * The approach we take is: + * 1. If we can't get the RF MAC Address, just call random_ether_addr. + * 2. Use the 24-bit NIC-specific bits of the RF MAC address as the last 24 + * bits of the new address. This is very likely to be unique, except for + * the current box. + * 3. To avoid using addresses already on the current box, we set the top + * six bits of the address with a value different from any currently + * registered Scientific Atlanta organizationally unique identifyer + * (OUI). This avoids duplication with any addresses on the system that + * were generated from valid Scientific Atlanta-registered address by + * simply flipping the locally managed bit. + * 4. We aren't generating a multicast address, so we leave the multicast + * bit off. Since we aren't using a registered address, we have to set + * the locally managed bit. + * 5. We then randomly generate the remaining 16-bits. This does two + * things: + * a. It allows us to call this function for more than one device + * in this system + * b. It ensures that things will probably still work even if + * some device on the device network has a locally managed + * address that matches the top six bits from step 2. + */ +void platform_random_ether_addr(u8 addr[ETH_ALEN]) +{ + const int num_random_bytes = 2; + const unsigned char non_sciatl_oui_bits = 0xc0u; + const unsigned char mac_addr_locally_managed = (1 << 1); + + if (!have_rfmac) { + pr_warning("rfmac not available on command line; " + "generating random MAC address\n"); + random_ether_addr(addr); + } + + else { + int i; + + /* Set the first byte to something that won't match a Scientific + * Atlanta OUI, is locally managed, and isn't a multicast + * address */ + addr[0] = non_sciatl_oui_bits | mac_addr_locally_managed; + + /* Get some bytes of random address information */ + get_random_bytes(&addr[1], num_random_bytes); + + /* Copy over the NIC-specific bits of the RF MAC address */ + for (i = 1 + num_random_bytes; i < ETH_ALEN; i++) + addr[i] = rfmac[i]; + } +} diff --git a/arch/mips/powertv/reset.c b/arch/mips/powertv/reset.c new file mode 100644 index 00000000000..494c652c984 --- /dev/null +++ b/arch/mips/powertv/reset.c @@ -0,0 +1,65 @@ +/* + * Carsten Langgaard, carstenl@mips.com + * Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved. + * Portions copyright (C) 2009 Cisco Systems, Inc. + * + * This program is free software; you can distribute it and/or modify it + * under the terms of the GNU General Public License (Version 2) as + * published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. + */ +#include <linux/pm.h> + +#include <linux/io.h> +#include <asm/reboot.h> /* Not included by linux/reboot.h */ + +#ifdef CONFIG_BOOTLOADER_DRIVER +#include <asm/mach-powertv/kbldr.h> +#endif + +#include <asm/mach-powertv/asic_regs.h> +#include "reset.h" + +static void mips_machine_restart(char *command); +static void mips_machine_halt(void); + +static void mips_machine_restart(char *command) +{ +#ifdef CONFIG_BOOTLOADER_DRIVER + /* + * Call the bootloader's reset function to ensure + * that persistent data is flushed before hard reset + */ + kbldr_SetCauseAndReset(); +#else + writel(0x1, asic_reg_addr(watchdog)); +#endif +} + +static void mips_machine_halt(void) +{ +#ifdef CONFIG_BOOTLOADER_DRIVER + /* + * Call the bootloader's reset function to ensure + * that persistent data is flushed before hard reset + */ + kbldr_SetCauseAndReset(); +#else + writel(0x1, asic_reg_addr(watchdog)); +#endif +} + +void mips_reboot_setup(void) +{ + _machine_restart = mips_machine_restart; + _machine_halt = mips_machine_halt; + pm_power_off = mips_machine_halt; +} diff --git a/arch/mips/powertv/reset.h b/arch/mips/powertv/reset.h new file mode 100644 index 00000000000..888fd09e262 --- /dev/null +++ b/arch/mips/powertv/reset.h @@ -0,0 +1,26 @@ +/* + * Definitions from powertv reset.c file + * + * Copyright (C) 2009 Cisco Systems, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * + * Author: David VomLehn + */ + +#ifndef _POWERTV_POWERTV_RESET_H +#define _POWERTV_POWERTV_RESET_H +extern void mips_reboot_setup(void); +#endif diff --git a/arch/mips/mipssim/sim_cmdline.c b/arch/mips/powertv/time.c index 74240e1ce5a..1e0a5ef4c8c 100644 --- a/arch/mips/mipssim/sim_cmdline.c +++ b/arch/mips/powertv/time.c @@ -1,5 +1,7 @@ /* - * Copyright (C) 2005 MIPS Technologies, Inc. All rights reserved. + * Carsten Langgaard, carstenl@mips.com + * Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved. + * Portions copyright (C) 2009 Cisco Systems, Inc. * * This program is free software; you can distribute it and/or modify it * under the terms of the GNU General Public License (Version 2) as @@ -14,19 +16,22 @@ * with this program; if not, write to the Free Software Foundation, Inc., * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. * + * Setting up the clock on the MIPS boards. */ + #include <linux/init.h> -#include <linux/string.h> -#include <asm/bootinfo.h> +#include <asm/mach-powertv/interrupts.h> +#include <asm/time.h> -extern char arcs_cmdline[]; +#include "powertv-clock.h" -char * __init prom_getcmdline(void) +unsigned int __cpuinit get_c0_compare_int(void) { - return arcs_cmdline; + return irq_mips_timer; } -void __init prom_init_cmdline(void) +void __init plat_time_init(void) { - /* XXX: Get boot line from environment? */ + powertv_clocksource_init(); + r4k_clockevent_init(); } diff --git a/arch/mips/rb532/prom.c b/arch/mips/rb532/prom.c index ad5bd109797..d7c26d00cfe 100644 --- a/arch/mips/rb532/prom.c +++ b/arch/mips/rb532/prom.c @@ -69,7 +69,7 @@ static inline unsigned long tag2ul(char *arg, const char *tag) void __init prom_setup_cmdline(void) { - static char cmd_line[CL_SIZE] __initdata; + static char cmd_line[COMMAND_LINE_SIZE] __initdata; char *cp, *board; int prom_argc; char **prom_argv, **prom_envp; @@ -115,7 +115,7 @@ void __init prom_setup_cmdline(void) strcpy(cp, arcs_cmdline); cp += strlen(arcs_cmdline); } - cmd_line[CL_SIZE-1] = '\0'; + cmd_line[COMMAND_LINE_SIZE - 1] = '\0'; strcpy(arcs_cmdline, cmd_line); } diff --git a/arch/mips/sgi-ip22/ip22-eisa.c b/arch/mips/sgi-ip22/ip22-eisa.c index 1617241d273..da44ccb2082 100644 --- a/arch/mips/sgi-ip22/ip22-eisa.c +++ b/arch/mips/sgi-ip22/ip22-eisa.c @@ -50,9 +50,9 @@ static char __init *decode_eisa_sig(unsigned long addr) { - static char sig_str[EISA_SIG_LEN]; + static char sig_str[EISA_SIG_LEN] __initdata; u8 sig[4]; - u16 rev; + u16 rev; int i; for (i = 0; i < 4; i++) { diff --git a/arch/mips/sgi-ip22/ip22-int.c b/arch/mips/sgi-ip22/ip22-int.c index 0ecd5fe9486..383f11d7f44 100644 --- a/arch/mips/sgi-ip22/ip22-int.c +++ b/arch/mips/sgi-ip22/ip22-int.c @@ -13,6 +13,7 @@ #include <linux/init.h> #include <linux/kernel_stat.h> #include <linux/interrupt.h> +#include <linux/ftrace.h> #include <asm/irq_cpu.h> #include <asm/sgi/hpc3.h> @@ -150,7 +151,7 @@ static void indy_local1_irqdispatch(void) extern void ip22_be_interrupt(int irq); -static void indy_buserror_irq(void) +static void __irq_entry indy_buserror_irq(void) { int irq = SGI_BUSERR_IRQ; diff --git a/arch/mips/sgi-ip22/ip22-setup.c b/arch/mips/sgi-ip22/ip22-setup.c index b9a931358e2..5deeb68b6c9 100644 --- a/arch/mips/sgi-ip22/ip22-setup.c +++ b/arch/mips/sgi-ip22/ip22-setup.c @@ -67,7 +67,7 @@ void __init plat_mem_setup(void) cserial = ArcGetEnvironmentVariable("ConsoleOut"); if ((ctype && *ctype == 'd') || (cserial && *cserial == 's')) { - static char options[8]; + static char options[8] __initdata; char *baud = ArcGetEnvironmentVariable("dbaud"); if (baud) strcpy(options, baud); diff --git a/arch/mips/sgi-ip22/ip22-time.c b/arch/mips/sgi-ip22/ip22-time.c index c8f7d2328b2..603fc91c103 100644 --- a/arch/mips/sgi-ip22/ip22-time.c +++ b/arch/mips/sgi-ip22/ip22-time.c @@ -16,6 +16,7 @@ #include <linux/interrupt.h> #include <linux/kernel_stat.h> #include <linux/time.h> +#include <linux/ftrace.h> #include <asm/cpu.h> #include <asm/mipsregs.h> @@ -115,7 +116,7 @@ __init void plat_time_init(void) } /* Generic SGI handler for (spurious) 8254 interrupts */ -void indy_8254timer_irq(void) +void __irq_entry indy_8254timer_irq(void) { int irq = SGI_8254_0_IRQ; ULONG cnt; diff --git a/arch/mips/sgi-ip32/ip32-setup.c b/arch/mips/sgi-ip32/ip32-setup.c index c5a5d4a31b4..3abd1465ec0 100644 --- a/arch/mips/sgi-ip32/ip32-setup.c +++ b/arch/mips/sgi-ip32/ip32-setup.c @@ -90,7 +90,7 @@ void __init plat_mem_setup(void) { char* con = ArcGetEnvironmentVariable("console"); if (con && *con == 'd') { - static char options[8]; + static char options[8] __initdata; char *baud = ArcGetEnvironmentVariable("dbaud"); if (baud) strcpy(options, baud); diff --git a/arch/mips/sibyte/common/cfe.c b/arch/mips/sibyte/common/cfe.c index eb5396cf81b..6343011e990 100644 --- a/arch/mips/sibyte/common/cfe.c +++ b/arch/mips/sibyte/common/cfe.c @@ -287,7 +287,7 @@ void __init prom_init(void) * boot console */ cfe_cons_handle = cfe_getstdhandle(CFE_STDHANDLE_CONSOLE); - if (cfe_getenv("LINUX_CMDLINE", arcs_cmdline, CL_SIZE) < 0) { + if (cfe_getenv("LINUX_CMDLINE", arcs_cmdline, COMMAND_LINE_SIZE) < 0) { if (argc >= 0) { /* The loader should have set the command line */ /* too early for panic to do any good */ @@ -318,7 +318,7 @@ void __init prom_init(void) #endif /* CONFIG_BLK_DEV_INITRD */ /* Not sure this is needed, but it's the safe way. */ - arcs_cmdline[CL_SIZE-1] = 0; + arcs_cmdline[COMMAND_LINE_SIZE-1] = 0; prom_meminit(); diff --git a/arch/mips/sni/a20r.c b/arch/mips/sni/a20r.c index 7dd76fb3b64..e6980892834 100644 --- a/arch/mips/sni/a20r.c +++ b/arch/mips/sni/a20r.c @@ -188,7 +188,7 @@ static void end_a20r_irq(unsigned int irq) } static struct irq_chip a20r_irq_type = { - .typename = "A20R", + .name = "A20R", .ack = mask_a20r_irq, .mask = mask_a20r_irq, .mask_ack = mask_a20r_irq, diff --git a/arch/mips/sni/pcimt.c b/arch/mips/sni/pcimt.c index 74e6c67982f..51e62bbaa23 100644 --- a/arch/mips/sni/pcimt.c +++ b/arch/mips/sni/pcimt.c @@ -214,7 +214,7 @@ static void end_pcimt_irq(unsigned int irq) } static struct irq_chip pcimt_irq_type = { - .typename = "PCIMT", + .name = "PCIMT", .ack = disable_pcimt_irq, .mask = disable_pcimt_irq, .mask_ack = disable_pcimt_irq, diff --git a/arch/mips/sni/pcit.c b/arch/mips/sni/pcit.c index 071a9573ac7..f4699d35858 100644 --- a/arch/mips/sni/pcit.c +++ b/arch/mips/sni/pcit.c @@ -176,7 +176,7 @@ void end_pcit_irq(unsigned int irq) } static struct irq_chip pcit_irq_type = { - .typename = "PCIT", + .name = "PCIT", .ack = disable_pcit_irq, .mask = disable_pcit_irq, .mask_ack = disable_pcit_irq, diff --git a/arch/mips/sni/rm200.c b/arch/mips/sni/rm200.c index 5e687819cbc..46f00691f44 100644 --- a/arch/mips/sni/rm200.c +++ b/arch/mips/sni/rm200.c @@ -449,7 +449,7 @@ void end_rm200_irq(unsigned int irq) } static struct irq_chip rm200_irq_type = { - .typename = "RM200", + .name = "RM200", .ack = disable_rm200_irq, .mask = disable_rm200_irq, .mask_ack = disable_rm200_irq, diff --git a/arch/mips/sni/setup.c b/arch/mips/sni/setup.c index a49272ce7ef..d16b462154c 100644 --- a/arch/mips/sni/setup.c +++ b/arch/mips/sni/setup.c @@ -60,7 +60,7 @@ static void __init sni_console_setup(void) char *cdev; char *baud; int port; - static char options[8]; + static char options[8] __initdata; cdev = prom_getenv("console_dev"); if (strncmp(cdev, "tty", 3) == 0) { diff --git a/arch/mips/txx9/generic/setup.c b/arch/mips/txx9/generic/setup.c index d66802edebb..06e801c7e25 100644 --- a/arch/mips/txx9/generic/setup.c +++ b/arch/mips/txx9/generic/setup.c @@ -160,7 +160,7 @@ static void __init prom_init_cmdline(void) int argc; int *argv32; int i; /* Always ignore the "-c" at argv[0] */ - static char builtin[CL_SIZE] __initdata; + static char builtin[COMMAND_LINE_SIZE] __initdata; if (fw_arg0 >= CKSEG0 || fw_arg1 < CKSEG0) { /* @@ -315,7 +315,7 @@ static inline void txx9_cache_fixup(void) static void __init preprocess_cmdline(void) { - static char cmdline[CL_SIZE] __initdata; + static char cmdline[COMMAND_LINE_SIZE] __initdata; char *s; strcpy(cmdline, arcs_cmdline); diff --git a/arch/mn10300/include/asm/asm-offsets.h b/arch/mn10300/include/asm/asm-offsets.h new file mode 100644 index 00000000000..d370ee36a18 --- /dev/null +++ b/arch/mn10300/include/asm/asm-offsets.h @@ -0,0 +1 @@ +#include <generated/asm-offsets.h> diff --git a/arch/parisc/include/asm/asm-offsets.h b/arch/parisc/include/asm/asm-offsets.h new file mode 100644 index 00000000000..d370ee36a18 --- /dev/null +++ b/arch/parisc/include/asm/asm-offsets.h @@ -0,0 +1 @@ +#include <generated/asm-offsets.h> diff --git a/arch/powerpc/include/asm/asm-offsets.h b/arch/powerpc/include/asm/asm-offsets.h new file mode 100644 index 00000000000..d370ee36a18 --- /dev/null +++ b/arch/powerpc/include/asm/asm-offsets.h @@ -0,0 +1 @@ +#include <generated/asm-offsets.h> diff --git a/arch/powerpc/platforms/52xx/efika.c b/arch/powerpc/platforms/52xx/efika.c index bcc69e1f77c..45c0cb9b67e 100644 --- a/arch/powerpc/platforms/52xx/efika.c +++ b/arch/powerpc/platforms/52xx/efika.c @@ -10,7 +10,7 @@ */ #include <linux/init.h> -#include <linux/utsrelease.h> +#include <generated/utsrelease.h> #include <linux/pci.h> #include <linux/of.h> #include <asm/prom.h> diff --git a/arch/powerpc/platforms/amigaone/setup.c b/arch/powerpc/platforms/amigaone/setup.c index 9290a7a442d..fb4eb0df054 100644 --- a/arch/powerpc/platforms/amigaone/setup.c +++ b/arch/powerpc/platforms/amigaone/setup.c @@ -14,7 +14,7 @@ #include <linux/kernel.h> #include <linux/seq_file.h> -#include <linux/utsrelease.h> +#include <generated/utsrelease.h> #include <asm/machdep.h> #include <asm/cputable.h> diff --git a/arch/powerpc/platforms/cell/spufs/Makefile b/arch/powerpc/platforms/cell/spufs/Makefile index b93f877ba50..b9d5d678aa4 100644 --- a/arch/powerpc/platforms/cell/spufs/Makefile +++ b/arch/powerpc/platforms/cell/spufs/Makefile @@ -13,10 +13,8 @@ SPU_CC := $(SPU_CROSS)gcc SPU_AS := $(SPU_CROSS)gcc SPU_LD := $(SPU_CROSS)ld SPU_OBJCOPY := $(SPU_CROSS)objcopy -SPU_CFLAGS := -O2 -Wall -I$(srctree)/include \ - -I$(objtree)/include2 -D__KERNEL__ -SPU_AFLAGS := -c -D__ASSEMBLY__ -I$(srctree)/include \ - -I$(objtree)/include2 -D__KERNEL__ +SPU_CFLAGS := -O2 -Wall -I$(srctree)/include -D__KERNEL__ +SPU_AFLAGS := -c -D__ASSEMBLY__ -I$(srctree)/include -D__KERNEL__ SPU_LDFLAGS := -N -Ttext=0x0 $(obj)/switch.o: $(obj)/spu_save_dump.h $(obj)/spu_restore_dump.h diff --git a/arch/powerpc/platforms/chrp/setup.c b/arch/powerpc/platforms/chrp/setup.c index 52f3df3b4ca..8f41685d8f4 100644 --- a/arch/powerpc/platforms/chrp/setup.c +++ b/arch/powerpc/platforms/chrp/setup.c @@ -23,7 +23,7 @@ #include <linux/reboot.h> #include <linux/init.h> #include <linux/pci.h> -#include <linux/utsrelease.h> +#include <generated/utsrelease.h> #include <linux/adb.h> #include <linux/module.h> #include <linux/delay.h> diff --git a/arch/powerpc/platforms/powermac/bootx_init.c b/arch/powerpc/platforms/powermac/bootx_init.c index cf660916ae0..9dd789a7370 100644 --- a/arch/powerpc/platforms/powermac/bootx_init.c +++ b/arch/powerpc/platforms/powermac/bootx_init.c @@ -12,7 +12,7 @@ #include <linux/kernel.h> #include <linux/string.h> #include <linux/init.h> -#include <linux/utsrelease.h> +#include <generated/utsrelease.h> #include <asm/sections.h> #include <asm/prom.h> #include <asm/page.h> diff --git a/arch/s390/crypto/aes_s390.c b/arch/s390/crypto/aes_s390.c index 6118890c946..6be4503201a 100644 --- a/arch/s390/crypto/aes_s390.c +++ b/arch/s390/crypto/aes_s390.c @@ -174,7 +174,7 @@ static int fallback_init_cip(struct crypto_tfm *tfm) if (IS_ERR(sctx->fallback.cip)) { pr_err("Allocating AES fallback algorithm %s failed\n", name); - return PTR_ERR(sctx->fallback.blk); + return PTR_ERR(sctx->fallback.cip); } return 0; diff --git a/arch/s390/hypfs/hypfs_diag.c b/arch/s390/hypfs/hypfs_diag.c index 77df726180b..2b92d501425 100644 --- a/arch/s390/hypfs/hypfs_diag.c +++ b/arch/s390/hypfs/hypfs_diag.c @@ -164,7 +164,7 @@ static inline void part_hdr__part_name(enum diag204_format type, void *hdr, LPAR_NAME_LEN); EBCASC(name, LPAR_NAME_LEN); name[LPAR_NAME_LEN] = 0; - strstrip(name); + strim(name); } struct cpu_info { @@ -523,7 +523,7 @@ static int diag224_idx2name(int index, char *name) memcpy(name, diag224_cpu_names + ((index + 1) * CPU_NAME_LEN), CPU_NAME_LEN); name[CPU_NAME_LEN] = 0; - strstrip(name); + strim(name); return 0; } diff --git a/arch/s390/hypfs/hypfs_vm.c b/arch/s390/hypfs/hypfs_vm.c index d01fc8f799f..f0b0d31f0b4 100644 --- a/arch/s390/hypfs/hypfs_vm.c +++ b/arch/s390/hypfs/hypfs_vm.c @@ -124,7 +124,7 @@ static int hpyfs_vm_create_guest(struct super_block *sb, /* guest dir */ memcpy(guest_name, data->guest_name, NAME_LEN); EBCASC(guest_name, NAME_LEN); - strstrip(guest_name); + strim(guest_name); guest_dir = hypfs_mkdir(sb, systems_dir, guest_name); if (IS_ERR(guest_dir)) return PTR_ERR(guest_dir); diff --git a/arch/s390/include/asm/asm-offsets.h b/arch/s390/include/asm/asm-offsets.h new file mode 100644 index 00000000000..d370ee36a18 --- /dev/null +++ b/arch/s390/include/asm/asm-offsets.h @@ -0,0 +1 @@ +#include <generated/asm-offsets.h> diff --git a/arch/s390/include/asm/unistd.h b/arch/s390/include/asm/unistd.h index cb5232df151..192a7203a14 100644 --- a/arch/s390/include/asm/unistd.h +++ b/arch/s390/include/asm/unistd.h @@ -269,7 +269,8 @@ #define __NR_pwritev 329 #define __NR_rt_tgsigqueueinfo 330 #define __NR_perf_event_open 331 -#define NR_syscalls 332 +#define __NR_recvmmsg 332 +#define NR_syscalls 333 /* * There are some system calls that are not present on 64 bit, some diff --git a/arch/s390/kernel/compat_wrapper.S b/arch/s390/kernel/compat_wrapper.S index 30de2d0e52b..faeaccc7d7d 100644 --- a/arch/s390/kernel/compat_wrapper.S +++ b/arch/s390/kernel/compat_wrapper.S @@ -1853,3 +1853,12 @@ sys32_execve_wrapper: llgtr %r3,%r3 # compat_uptr_t * llgtr %r4,%r4 # compat_uptr_t * jg sys32_execve # branch to system call + + .globl compat_sys_recvmmsg_wrapper +compat_sys_recvmmsg_wrapper: + lgfr %r2,%r2 # int + llgtr %r3,%r3 # struct compat_mmsghdr * + llgfr %r4,%r4 # unsigned int + llgfr %r5,%r5 # unsigned int + llgtr %r6,%r6 # struct compat_timespec * + jg compat_sys_recvmmsg diff --git a/arch/s390/kernel/ipl.c b/arch/s390/kernel/ipl.c index 4890ac6d7fa..4d73296fed7 100644 --- a/arch/s390/kernel/ipl.c +++ b/arch/s390/kernel/ipl.c @@ -221,7 +221,7 @@ static ssize_t sys_##_prefix##_##_name##_store(struct kobject *kobj, \ const char *buf, size_t len) \ { \ strncpy(_value, buf, sizeof(_value) - 1); \ - strstrip(_value); \ + strim(_value); \ return len; \ } \ static struct kobj_attribute sys_##_prefix##_##_name##_attr = \ @@ -472,7 +472,7 @@ static ssize_t ipl_ccw_loadparm_show(struct kobject *kobj, return sprintf(page, "#unknown#\n"); memcpy(loadparm, &sclp_ipl_info.loadparm, LOADPARM_LEN); EBCASC(loadparm, LOADPARM_LEN); - strstrip(loadparm); + strim(loadparm); return sprintf(page, "%s\n", loadparm); } @@ -776,7 +776,7 @@ static void reipl_get_ascii_loadparm(char *loadparm, memcpy(loadparm, ibp->ipl_info.ccw.load_parm, LOADPARM_LEN); EBCASC(loadparm, LOADPARM_LEN); loadparm[LOADPARM_LEN] = 0; - strstrip(loadparm); + strim(loadparm); } static ssize_t reipl_generic_loadparm_show(struct ipl_parameter_block *ipb, diff --git a/arch/s390/kernel/ptrace.c b/arch/s390/kernel/ptrace.c index 653c6a17874..13815d39f7d 100644 --- a/arch/s390/kernel/ptrace.c +++ b/arch/s390/kernel/ptrace.c @@ -959,7 +959,7 @@ static const struct user_regset s390_compat_regsets[] = { .set = s390_fpregs_set, }, [REGSET_GENERAL_EXTENDED] = { - .core_note_type = NT_PRXSTATUS, + .core_note_type = NT_S390_HIGH_GPRS, .n = sizeof(s390_compat_regs_high) / sizeof(compat_long_t), .size = sizeof(compat_long_t), .align = sizeof(compat_long_t), diff --git a/arch/s390/kernel/syscalls.S b/arch/s390/kernel/syscalls.S index 30eca070d42..4f292c93687 100644 --- a/arch/s390/kernel/syscalls.S +++ b/arch/s390/kernel/syscalls.S @@ -340,3 +340,4 @@ SYSCALL(sys_preadv,sys_preadv,compat_sys_preadv_wrapper) SYSCALL(sys_pwritev,sys_pwritev,compat_sys_pwritev_wrapper) SYSCALL(sys_rt_tgsigqueueinfo,sys_rt_tgsigqueueinfo,compat_sys_rt_tgsigqueueinfo_wrapper) /* 330 */ SYSCALL(sys_perf_event_open,sys_perf_event_open,sys_perf_event_open_wrapper) +SYSCALL(sys_recvmmsg,sys_recvmmsg,compat_sys_recvmmsg_wrapper) diff --git a/arch/s390/kernel/traps.c b/arch/s390/kernel/traps.c index c2e42cc65ce..6e7ad63854c 100644 --- a/arch/s390/kernel/traps.c +++ b/arch/s390/kernel/traps.c @@ -18,7 +18,7 @@ #include <linux/kernel.h> #include <linux/string.h> #include <linux/errno.h> -#include <linux/ptrace.h> +#include <linux/tracehook.h> #include <linux/timer.h> #include <linux/mm.h> #include <linux/smp.h> @@ -382,7 +382,7 @@ void __kprobes do_single_step(struct pt_regs *regs) SIGTRAP) == NOTIFY_STOP){ return; } - if ((current->ptrace & PT_PTRACED) != 0) + if (tracehook_consider_fatal_signal(current, SIGTRAP)) force_sig(SIGTRAP, current); } @@ -483,7 +483,7 @@ static void illegal_op(struct pt_regs * regs, long interruption_code) if (get_user(*((__u16 *) opcode), (__u16 __user *) location)) return; if (*((__u16 *) opcode) == S390_BREAKPOINT_U16) { - if (current->ptrace & PT_PTRACED) + if (tracehook_consider_fatal_signal(current, SIGTRAP)) force_sig(SIGTRAP, current); else signal = SIGILL; diff --git a/arch/score/include/asm/asm-offsets.h b/arch/score/include/asm/asm-offsets.h new file mode 100644 index 00000000000..d370ee36a18 --- /dev/null +++ b/arch/score/include/asm/asm-offsets.h @@ -0,0 +1 @@ +#include <generated/asm-offsets.h> diff --git a/arch/score/include/asm/cacheflush.h b/arch/score/include/asm/cacheflush.h index caaba24036e..1d545d0ce20 100644 --- a/arch/score/include/asm/cacheflush.h +++ b/arch/score/include/asm/cacheflush.h @@ -14,10 +14,12 @@ extern void flush_cache_sigtramp(unsigned long addr); extern void flush_icache_all(void); extern void flush_icache_range(unsigned long start, unsigned long end); extern void flush_dcache_range(unsigned long start, unsigned long end); +extern void flush_dcache_page(struct page *page); + +#define PG_dcache_dirty PG_arch_1 #define flush_cache_dup_mm(mm) do {} while (0) #define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0 -#define flush_dcache_page(page) do {} while (0) #define flush_dcache_mmap_lock(mapping) do {} while (0) #define flush_dcache_mmap_unlock(mapping) do {} while (0) #define flush_cache_vmap(start, end) do {} while (0) diff --git a/arch/score/include/asm/delay.h b/arch/score/include/asm/delay.h index 6726ec199dc..529e494712a 100644 --- a/arch/score/include/asm/delay.h +++ b/arch/score/include/asm/delay.h @@ -1,6 +1,8 @@ #ifndef _ASM_SCORE_DELAY_H #define _ASM_SCORE_DELAY_H +#include <asm-generic/param.h> + static inline void __delay(unsigned long loops) { /* 3 cycles per loop. */ diff --git a/arch/score/include/asm/page.h b/arch/score/include/asm/page.h index d92a5a2d36d..1e9ade8e77e 100644 --- a/arch/score/include/asm/page.h +++ b/arch/score/include/asm/page.h @@ -74,7 +74,7 @@ extern unsigned long max_pfn; #define page_to_bus(page) (page_to_phys(page)) #define phys_to_page(paddr) (pfn_to_page(phys_to_pfn(paddr))) -#define pfn_valid(pfn) ((pfn) >= min_low_pfn && (pfn) < max_mapnr) +#define pfn_valid(pfn) (((pfn) >= min_low_pfn) && ((pfn) < max_low_pfn)) #define ARCH_PFN_OFFSET (PAGE_OFFSET >> PAGE_SHIFT) diff --git a/arch/score/kernel/setup.c b/arch/score/kernel/setup.c index 6a2503c75c4..6f898c05787 100644 --- a/arch/score/kernel/setup.c +++ b/arch/score/kernel/setup.c @@ -49,6 +49,7 @@ static void __init bootmem_init(void) min_low_pfn = PFN_UP(MEMORY_START); max_low_pfn = PFN_UP(MEMORY_START + MEMORY_SIZE); + max_mapnr = max_low_pfn - min_low_pfn; /* Initialize the boot-time allocator with low memory only. */ bootmap_size = init_bootmem_node(NODE_DATA(0), start_pfn, diff --git a/arch/score/mm/cache.c b/arch/score/mm/cache.c index dbac9d9dfdd..b25e9574360 100644 --- a/arch/score/mm/cache.c +++ b/arch/score/mm/cache.c @@ -29,6 +29,7 @@ #include <linux/mm.h> #include <linux/module.h> #include <linux/sched.h> +#include <linux/fs.h> #include <asm/mmu_context.h> @@ -51,6 +52,27 @@ static void flush_data_cache_page(unsigned long addr) } } +void flush_dcache_page(struct page *page) +{ + struct address_space *mapping = page_mapping(page); + unsigned long addr; + + if (PageHighMem(page)) + return; + if (mapping && !mapping_mapped(mapping)) { + set_bit(PG_dcache_dirty, &(page)->flags); + return; + } + + /* + * We could delay the flush for the !page_mapping case too. But that + * case is for exec env/arg pages and those are %99 certainly going to + * get faulted into the tlb (and thus flushed) anyways. + */ + addr = (unsigned long) page_address(page); + flush_data_cache_page(addr); +} + /* called by update_mmu_cache. */ void __update_cache(struct vm_area_struct *vma, unsigned long address, pte_t pte) @@ -63,11 +85,11 @@ void __update_cache(struct vm_area_struct *vma, unsigned long address, if (unlikely(!pfn_valid(pfn))) return; page = pfn_to_page(pfn); - if (page_mapping(page) && test_bit(PG_arch_1, &page->flags)) { + if (page_mapping(page) && test_bit(PG_dcache_dirty, &(page)->flags)) { addr = (unsigned long) page_address(page); if (exec) flush_data_cache_page(addr); - clear_bit(PG_arch_1, &page->flags); + clear_bit(PG_dcache_dirty, &(page)->flags); } } diff --git a/arch/score/mm/init.c b/arch/score/mm/init.c index 4e3dcd0c471..8c15b2c85d5 100644 --- a/arch/score/mm/init.c +++ b/arch/score/mm/init.c @@ -83,7 +83,6 @@ void __init mem_init(void) unsigned long codesize, reservedpages, datasize, initsize; unsigned long tmp, ram = 0; - max_mapnr = max_low_pfn; high_memory = (void *) __va(max_low_pfn << PAGE_SHIFT); totalram_pages += free_all_bootmem(); totalram_pages -= setup_zero_page(); /* Setup zeroed pages. */ @@ -101,10 +100,6 @@ void __init mem_init(void) datasize = (unsigned long) &_edata - (unsigned long) &_etext; initsize = (unsigned long) &__init_end - (unsigned long) &__init_begin; - kclist_add(&kcore_mem, __va(0), max_low_pfn << PAGE_SHIFT); - kclist_add(&kcore_vmalloc, (void *) VMALLOC_START, - VMALLOC_END - VMALLOC_START); - printk(KERN_INFO "Memory: %luk/%luk available (%ldk kernel code, " "%ldk reserved, %ldk data, %ldk init, %ldk highmem)\n", (unsigned long) nr_free_pages() << (PAGE_SHIFT-10), diff --git a/arch/sh/Makefile b/arch/sh/Makefile index ac17c5ac550..db91925c79d 100644 --- a/arch/sh/Makefile +++ b/arch/sh/Makefile @@ -205,10 +205,7 @@ libs-$(CONFIG_SUPERH64) := arch/sh/lib64/ $(libs-y) BOOT_TARGETS = uImage uImage.bz2 uImage.gz uImage.lzma uImage.srec uImage.bin \ zImage vmlinux.srec romImage -PHONY += maketools $(BOOT_TARGETS) FORCE - -maketools: include/linux/version.h FORCE - $(Q)$(MAKE) $(build)=arch/sh/tools include/asm-sh/machtypes.h +PHONY += $(BOOT_TARGETS) all: $(KBUILD_IMAGE) @@ -217,7 +214,8 @@ $(BOOT_TARGETS): vmlinux compressed: zImage -archprepare: maketools +archprepare: + $(Q)$(MAKE) $(build)=arch/sh/tools include/generated/machtypes.h archclean: $(Q)$(MAKE) $(clean)=$(boot) @@ -234,5 +232,3 @@ define archhelp @echo ' uImage.bz2 - Kernel-only image for U-Boot (bzip2)' @echo ' uImage.lzma - Kernel-only image for U-Boot (lzma)' endef - -CLEAN_FILES += include/asm-sh/machtypes.h diff --git a/arch/sh/drivers/pci/fixups-rts7751r2d.c b/arch/sh/drivers/pci/fixups-rts7751r2d.c index 052b354236d..7898f14d664 100644 --- a/arch/sh/drivers/pci/fixups-rts7751r2d.c +++ b/arch/sh/drivers/pci/fixups-rts7751r2d.c @@ -15,7 +15,7 @@ #include <mach/lboxre2.h> #include <mach/r2d.h> #include "pci-sh4.h" -#include <asm/machtypes.h> +#include <generated/machtypes.h> #define PCIMCR_MRSET_OFF 0xBFFFFFFF #define PCIMCR_RFSH_OFF 0xFFFFFFFB diff --git a/arch/sh/include/asm/.gitignore b/arch/sh/include/asm/.gitignore deleted file mode 100644 index 378db779fb6..00000000000 --- a/arch/sh/include/asm/.gitignore +++ /dev/null @@ -1 +0,0 @@ -machtypes.h diff --git a/arch/sh/include/asm/asm-offsets.h b/arch/sh/include/asm/asm-offsets.h new file mode 100644 index 00000000000..d370ee36a18 --- /dev/null +++ b/arch/sh/include/asm/asm-offsets.h @@ -0,0 +1 @@ +#include <generated/asm-offsets.h> diff --git a/arch/sh/include/asm/machvec.h b/arch/sh/include/asm/machvec.h index 84dd37761f5..9c30955630f 100644 --- a/arch/sh/include/asm/machvec.h +++ b/arch/sh/include/asm/machvec.h @@ -12,7 +12,7 @@ #include <linux/types.h> #include <linux/time.h> -#include <asm/machtypes.h> +#include <generated/machtypes.h> struct sh_machine_vector { void (*mv_setup)(char **cmdline_p); diff --git a/arch/sh/tools/Makefile b/arch/sh/tools/Makefile index 567516b58ac..558a56bcc7c 100644 --- a/arch/sh/tools/Makefile +++ b/arch/sh/tools/Makefile @@ -10,7 +10,7 @@ # Shamelessly cloned from ARM. # -include/asm-sh/machtypes.h: $(src)/gen-mach-types $(src)/mach-types +include/generated/machtypes.h: $(src)/gen-mach-types $(src)/mach-types @echo ' Generating $@' - $(Q)if [ ! -d include/asm-sh ]; then mkdir -p include/asm-sh; fi + $(Q)mkdir -p $(dir $@) $(Q)$(AWK) -f $^ > $@ || { rm -f $@; /bin/false; } diff --git a/arch/sh/tools/gen-mach-types b/arch/sh/tools/gen-mach-types index 65161e36835..f5ff7c5d891 100644 --- a/arch/sh/tools/gen-mach-types +++ b/arch/sh/tools/gen-mach-types @@ -1,6 +1,6 @@ #!/bin/awk # -# Awk script to generate include/asm-sh/machtypes.h +# Awk script to generate include/generated/machtypes.h # Heavily based on arch/arm/tools/gen-mach-types # BEGIN { nr = 0 } diff --git a/arch/sparc/include/asm/asm-offsets.h b/arch/sparc/include/asm/asm-offsets.h new file mode 100644 index 00000000000..d370ee36a18 --- /dev/null +++ b/arch/sparc/include/asm/asm-offsets.h @@ -0,0 +1 @@ +#include <generated/asm-offsets.h> diff --git a/arch/sparc/include/asm/fcntl.h b/arch/sparc/include/asm/fcntl.h index 3b9cfb39175..38f37b333cc 100644 --- a/arch/sparc/include/asm/fcntl.h +++ b/arch/sparc/include/asm/fcntl.h @@ -19,7 +19,7 @@ #define O_NOATIME 0x200000 #define O_CLOEXEC 0x400000 /* - * Before Linux 2.6.32 only O_DSYNC semantics were implemented, but using + * Before Linux 2.6.33 only O_DSYNC semantics were implemented, but using * the O_SYNC flag. We continue to use the existing numerical value * for O_DSYNC semantics now, but using the correct symbolic name for it. * This new value is used to request true Posix O_SYNC semantics. It is diff --git a/arch/um/Makefile b/arch/um/Makefile index fc633dbacf8..fab8121d2b3 100644 --- a/arch/um/Makefile +++ b/arch/um/Makefile @@ -149,6 +149,6 @@ $(SHARED_HEADERS)/user_constants.h: $(ARCH_DIR)/sys-$(SUBARCH)/user-offsets.s $(SHARED_HEADERS)/kern_constants.h: $(Q)mkdir -p $(dir $@) - $(Q)echo '#include "../../../../include/asm/asm-offsets.h"' >$@ + $(Q)echo '#include "../../../../include/generated/asm-offsets.h"' >$@ export SUBARCH USER_CFLAGS CFLAGS_NO_HARDENING OS HEADER_ARCH DEV_NULL_PATH diff --git a/arch/um/include/asm/asm-offsets.h b/arch/um/include/asm/asm-offsets.h new file mode 100644 index 00000000000..d370ee36a18 --- /dev/null +++ b/arch/um/include/asm/asm-offsets.h @@ -0,0 +1 @@ +#include <generated/asm-offsets.h> diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 3b2a5aca4ed..55298e89157 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -50,6 +50,8 @@ config X86 select HAVE_KERNEL_BZIP2 select HAVE_KERNEL_LZMA select HAVE_HW_BREAKPOINT + select PERF_EVENTS + select ANON_INODES select HAVE_ARCH_KMEMCHECK select HAVE_USER_RETURN_NOTIFIER diff --git a/arch/x86/boot/header.S b/arch/x86/boot/header.S index b31cc54b464..93e689f4bd8 100644 --- a/arch/x86/boot/header.S +++ b/arch/x86/boot/header.S @@ -16,7 +16,7 @@ */ #include <asm/segment.h> -#include <linux/utsrelease.h> +#include <generated/utsrelease.h> #include <asm/boot.h> #include <asm/e820.h> #include <asm/page_types.h> diff --git a/arch/x86/boot/version.c b/arch/x86/boot/version.c index 2723d9b5ce4..2b15aa488ff 100644 --- a/arch/x86/boot/version.c +++ b/arch/x86/boot/version.c @@ -13,8 +13,8 @@ */ #include "boot.h" -#include <linux/utsrelease.h> -#include <linux/compile.h> +#include <generated/utsrelease.h> +#include <generated/compile.h> const char kernel_version[] = UTS_RELEASE " (" LINUX_COMPILE_BY "@" LINUX_COMPILE_HOST ") " diff --git a/arch/x86/include/asm/asm-offsets.h b/arch/x86/include/asm/asm-offsets.h new file mode 100644 index 00000000000..d370ee36a18 --- /dev/null +++ b/arch/x86/include/asm/asm-offsets.h @@ -0,0 +1 @@ +#include <generated/asm-offsets.h> diff --git a/arch/x86/include/asm/cpufeature.h b/arch/x86/include/asm/cpufeature.h index 613700f27a4..637e1ec963c 100644 --- a/arch/x86/include/asm/cpufeature.h +++ b/arch/x86/include/asm/cpufeature.h @@ -153,6 +153,7 @@ #define X86_FEATURE_SSE5 (6*32+11) /* SSE-5 */ #define X86_FEATURE_SKINIT (6*32+12) /* SKINIT/STGI instructions */ #define X86_FEATURE_WDT (6*32+13) /* Watchdog timer */ +#define X86_FEATURE_NODEID_MSR (6*32+19) /* NodeId MSR */ /* * Auxiliary flags: Linux defined - For features scattered in various diff --git a/arch/x86/include/asm/hw_irq.h b/arch/x86/include/asm/hw_irq.h index 08c48a81841..eeac829a0f4 100644 --- a/arch/x86/include/asm/hw_irq.h +++ b/arch/x86/include/asm/hw_irq.h @@ -103,7 +103,8 @@ extern int assign_irq_vector(int, struct irq_cfg *, const struct cpumask *); extern void send_cleanup_vector(struct irq_cfg *); struct irq_desc; -extern unsigned int set_desc_affinity(struct irq_desc *, const struct cpumask *); +extern unsigned int set_desc_affinity(struct irq_desc *, const struct cpumask *, + unsigned int *dest_id); extern int IO_APIC_get_PCI_irq_vector(int bus, int devfn, int pin, struct io_apic_irq_attr *irq_attr); extern void setup_ioapic_dest(void); diff --git a/arch/x86/include/asm/msr-index.h b/arch/x86/include/asm/msr-index.h index 4ffe09b2ad7..1cd58cdbc03 100644 --- a/arch/x86/include/asm/msr-index.h +++ b/arch/x86/include/asm/msr-index.h @@ -12,6 +12,7 @@ #define MSR_FS_BASE 0xc0000100 /* 64bit FS base */ #define MSR_GS_BASE 0xc0000101 /* 64bit GS base */ #define MSR_KERNEL_GS_BASE 0xc0000102 /* SwapGS GS shadow */ +#define MSR_TSC_AUX 0xc0000103 /* Auxiliary TSC */ /* EFER bits: */ #define _EFER_SCE 0 /* SYSCALL/SYSRET */ @@ -123,6 +124,7 @@ #define FAM10H_MMIO_CONF_BUSRANGE_SHIFT 2 #define FAM10H_MMIO_CONF_BASE_MASK 0xfffffff #define FAM10H_MMIO_CONF_BASE_SHIFT 20 +#define MSR_FAM10H_NODE_ID 0xc001100c /* K8 MSRs */ #define MSR_K8_TOP_MEM1 0xc001001a diff --git a/arch/x86/include/asm/msr.h b/arch/x86/include/asm/msr.h index 2d228fc9b4b..c5bc4c2d33f 100644 --- a/arch/x86/include/asm/msr.h +++ b/arch/x86/include/asm/msr.h @@ -27,6 +27,18 @@ struct msr { }; }; +struct msr_info { + u32 msr_no; + struct msr reg; + struct msr *msrs; + int err; +}; + +struct msr_regs_info { + u32 *regs; + int err; +}; + static inline unsigned long long native_read_tscp(unsigned int *aux) { unsigned long low, high; @@ -240,9 +252,9 @@ do { \ #define checking_wrmsrl(msr, val) wrmsr_safe((msr), (u32)(val), \ (u32)((val) >> 32)) -#define write_tsc(val1, val2) wrmsr(0x10, (val1), (val2)) +#define write_tsc(val1, val2) wrmsr(MSR_IA32_TSC, (val1), (val2)) -#define write_rdtscp_aux(val) wrmsr(0xc0000103, (val), 0) +#define write_rdtscp_aux(val) wrmsr(MSR_TSC_AUX, (val), 0) struct msr *msrs_alloc(void); void msrs_free(struct msr *msrs); diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h index 6f8ec1c37e0..fc801bab1b3 100644 --- a/arch/x86/include/asm/processor.h +++ b/arch/x86/include/asm/processor.h @@ -181,7 +181,7 @@ static inline void native_cpuid(unsigned int *eax, unsigned int *ebx, unsigned int *ecx, unsigned int *edx) { /* ecx is often an input as well as an output. */ - asm("cpuid" + asm volatile("cpuid" : "=a" (*eax), "=b" (*ebx), "=c" (*ecx), diff --git a/arch/x86/include/asm/stacktrace.h b/arch/x86/include/asm/stacktrace.h index cf86a5e7381..35e89122a42 100644 --- a/arch/x86/include/asm/stacktrace.h +++ b/arch/x86/include/asm/stacktrace.h @@ -5,6 +5,29 @@ extern int kstack_depth_to_print; int x86_is_stack_id(int id, char *name); +struct thread_info; +struct stacktrace_ops; + +typedef unsigned long (*walk_stack_t)(struct thread_info *tinfo, + unsigned long *stack, + unsigned long bp, + const struct stacktrace_ops *ops, + void *data, + unsigned long *end, + int *graph); + +extern unsigned long +print_context_stack(struct thread_info *tinfo, + unsigned long *stack, unsigned long bp, + const struct stacktrace_ops *ops, void *data, + unsigned long *end, int *graph); + +extern unsigned long +print_context_stack_bp(struct thread_info *tinfo, + unsigned long *stack, unsigned long bp, + const struct stacktrace_ops *ops, void *data, + unsigned long *end, int *graph); + /* Generic stack tracer with callbacks */ struct stacktrace_ops { @@ -14,6 +37,7 @@ struct stacktrace_ops { void (*address)(void *data, unsigned long address, int reliable); /* On negative return stop dumping */ int (*stack)(void *data, char *name); + walk_stack_t walk_stack; }; void dump_trace(struct task_struct *tsk, struct pt_regs *regs, diff --git a/arch/x86/kernel/apic/apic_flat_64.c b/arch/x86/kernel/apic/apic_flat_64.c index d0c99abc26c..eacbd2b31d2 100644 --- a/arch/x86/kernel/apic/apic_flat_64.c +++ b/arch/x86/kernel/apic/apic_flat_64.c @@ -306,10 +306,7 @@ physflat_cpu_mask_to_apicid_and(const struct cpumask *cpumask, if (cpumask_test_cpu(cpu, cpu_online_mask)) break; } - if (cpu < nr_cpu_ids) - return per_cpu(x86_cpu_to_apicid, cpu); - - return BAD_APICID; + return per_cpu(x86_cpu_to_apicid, cpu); } struct apic apic_physflat = { diff --git a/arch/x86/kernel/apic/bigsmp_32.c b/arch/x86/kernel/apic/bigsmp_32.c index 38dcecfa581..cb804c5091b 100644 --- a/arch/x86/kernel/apic/bigsmp_32.c +++ b/arch/x86/kernel/apic/bigsmp_32.c @@ -131,10 +131,7 @@ static unsigned int bigsmp_cpu_mask_to_apicid_and(const struct cpumask *cpumask, if (cpumask_test_cpu(cpu, cpu_online_mask)) break; } - if (cpu < nr_cpu_ids) - return bigsmp_cpu_to_logical_apicid(cpu); - - return BAD_APICID; + return bigsmp_cpu_to_logical_apicid(cpu); } static int bigsmp_phys_pkg_id(int cpuid_apic, int index_msb) diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c index 11a5851f1f5..de00c4619a5 100644 --- a/arch/x86/kernel/apic/io_apic.c +++ b/arch/x86/kernel/apic/io_apic.c @@ -2276,26 +2276,28 @@ static void __target_IO_APIC_irq(unsigned int irq, unsigned int dest, struct irq /* * Either sets desc->affinity to a valid value, and returns - * ->cpu_mask_to_apicid of that, or returns BAD_APICID and + * ->cpu_mask_to_apicid of that in dest_id, or returns -1 and * leaves desc->affinity untouched. */ unsigned int -set_desc_affinity(struct irq_desc *desc, const struct cpumask *mask) +set_desc_affinity(struct irq_desc *desc, const struct cpumask *mask, + unsigned int *dest_id) { struct irq_cfg *cfg; unsigned int irq; if (!cpumask_intersects(mask, cpu_online_mask)) - return BAD_APICID; + return -1; irq = desc->irq; cfg = desc->chip_data; if (assign_irq_vector(irq, cfg, mask)) - return BAD_APICID; + return -1; cpumask_copy(desc->affinity, mask); - return apic->cpu_mask_to_apicid_and(desc->affinity, cfg->domain); + *dest_id = apic->cpu_mask_to_apicid_and(desc->affinity, cfg->domain); + return 0; } static int @@ -2311,12 +2313,11 @@ set_ioapic_affinity_irq_desc(struct irq_desc *desc, const struct cpumask *mask) cfg = desc->chip_data; spin_lock_irqsave(&ioapic_lock, flags); - dest = set_desc_affinity(desc, mask); - if (dest != BAD_APICID) { + ret = set_desc_affinity(desc, mask, &dest); + if (!ret) { /* Only the high 8 bits are valid. */ dest = SET_APIC_LOGICAL_ID(dest); __target_IO_APIC_irq(irq, dest, cfg); - ret = 0; } spin_unlock_irqrestore(&ioapic_lock, flags); @@ -3351,8 +3352,7 @@ static int set_msi_irq_affinity(unsigned int irq, const struct cpumask *mask) struct msi_msg msg; unsigned int dest; - dest = set_desc_affinity(desc, mask); - if (dest == BAD_APICID) + if (set_desc_affinity(desc, mask, &dest)) return -1; cfg = desc->chip_data; @@ -3384,8 +3384,7 @@ ir_set_msi_irq_affinity(unsigned int irq, const struct cpumask *mask) if (get_irte(irq, &irte)) return -1; - dest = set_desc_affinity(desc, mask); - if (dest == BAD_APICID) + if (set_desc_affinity(desc, mask, &dest)) return -1; irte.vector = cfg->vector; @@ -3567,8 +3566,7 @@ static int dmar_msi_set_affinity(unsigned int irq, const struct cpumask *mask) struct msi_msg msg; unsigned int dest; - dest = set_desc_affinity(desc, mask); - if (dest == BAD_APICID) + if (set_desc_affinity(desc, mask, &dest)) return -1; cfg = desc->chip_data; @@ -3623,8 +3621,7 @@ static int hpet_msi_set_affinity(unsigned int irq, const struct cpumask *mask) struct msi_msg msg; unsigned int dest; - dest = set_desc_affinity(desc, mask); - if (dest == BAD_APICID) + if (set_desc_affinity(desc, mask, &dest)) return -1; cfg = desc->chip_data; @@ -3730,8 +3727,7 @@ static int set_ht_irq_affinity(unsigned int irq, const struct cpumask *mask) struct irq_cfg *cfg; unsigned int dest; - dest = set_desc_affinity(desc, mask); - if (dest == BAD_APICID) + if (set_desc_affinity(desc, mask, &dest)) return -1; cfg = desc->chip_data; diff --git a/arch/x86/kernel/apic/x2apic_cluster.c b/arch/x86/kernel/apic/x2apic_cluster.c index a5371ec3677..cf69c59f491 100644 --- a/arch/x86/kernel/apic/x2apic_cluster.c +++ b/arch/x86/kernel/apic/x2apic_cluster.c @@ -148,10 +148,7 @@ x2apic_cpu_mask_to_apicid_and(const struct cpumask *cpumask, break; } - if (cpu < nr_cpu_ids) - return per_cpu(x86_cpu_to_logical_apicid, cpu); - - return BAD_APICID; + return per_cpu(x86_cpu_to_logical_apicid, cpu); } static unsigned int x2apic_cluster_phys_get_apic_id(unsigned long x) diff --git a/arch/x86/kernel/apic/x2apic_phys.c b/arch/x86/kernel/apic/x2apic_phys.c index a8989aadc99..8972f38c5ce 100644 --- a/arch/x86/kernel/apic/x2apic_phys.c +++ b/arch/x86/kernel/apic/x2apic_phys.c @@ -146,10 +146,7 @@ x2apic_cpu_mask_to_apicid_and(const struct cpumask *cpumask, break; } - if (cpu < nr_cpu_ids) - return per_cpu(x86_cpu_to_apicid, cpu); - - return BAD_APICID; + return per_cpu(x86_cpu_to_apicid, cpu); } static unsigned int x2apic_phys_get_apic_id(unsigned long x) diff --git a/arch/x86/kernel/apic/x2apic_uv_x.c b/arch/x86/kernel/apic/x2apic_uv_x.c index b684bb303cb..d56b0efb205 100644 --- a/arch/x86/kernel/apic/x2apic_uv_x.c +++ b/arch/x86/kernel/apic/x2apic_uv_x.c @@ -225,10 +225,7 @@ uv_cpu_mask_to_apicid_and(const struct cpumask *cpumask, if (cpumask_test_cpu(cpu, cpu_online_mask)) break; } - if (cpu < nr_cpu_ids) - return per_cpu(x86_cpu_to_apicid, cpu); - - return BAD_APICID; + return per_cpu(x86_cpu_to_apicid, cpu); } static unsigned int x2apic_get_apic_id(unsigned long x) diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c index 8dc3ea145c9..e485825130d 100644 --- a/arch/x86/kernel/cpu/amd.c +++ b/arch/x86/kernel/cpu/amd.c @@ -254,59 +254,36 @@ static int __cpuinit nearby_node(int apicid) /* * Fixup core topology information for AMD multi-node processors. - * Assumption 1: Number of cores in each internal node is the same. - * Assumption 2: Mixed systems with both single-node and dual-node - * processors are not supported. + * Assumption: Number of cores in each internal node is the same. */ #ifdef CONFIG_X86_HT static void __cpuinit amd_fixup_dcm(struct cpuinfo_x86 *c) { -#ifdef CONFIG_PCI - u32 t, cpn; - u8 n, n_id; + unsigned long long value; + u32 nodes, cores_per_node; int cpu = smp_processor_id(); + if (!cpu_has(c, X86_FEATURE_NODEID_MSR)) + return; + /* fixup topology information only once for a core */ if (cpu_has(c, X86_FEATURE_AMD_DCM)) return; - /* check for multi-node processor on boot cpu */ - t = read_pci_config(0, 24, 3, 0xe8); - if (!(t & (1 << 29))) + rdmsrl(MSR_FAM10H_NODE_ID, value); + + nodes = ((value >> 3) & 7) + 1; + if (nodes == 1) return; set_cpu_cap(c, X86_FEATURE_AMD_DCM); + cores_per_node = c->x86_max_cores / nodes; - /* cores per node: each internal node has half the number of cores */ - cpn = c->x86_max_cores >> 1; + /* store NodeID, use llc_shared_map to store sibling info */ + per_cpu(cpu_llc_id, cpu) = value & 7; - /* even-numbered NB_id of this dual-node processor */ - n = c->phys_proc_id << 1; - - /* - * determine internal node id and assign cores fifty-fifty to - * each node of the dual-node processor - */ - t = read_pci_config(0, 24 + n, 3, 0xe8); - n = (t>>30) & 0x3; - if (n == 0) { - if (c->cpu_core_id < cpn) - n_id = 0; - else - n_id = 1; - } else { - if (c->cpu_core_id < cpn) - n_id = 1; - else - n_id = 0; - } - - /* compute entire NodeID, use llc_shared_map to store sibling info */ - per_cpu(cpu_llc_id, cpu) = (c->phys_proc_id << 1) + n_id; - - /* fixup core id to be in range from 0 to cpn */ - c->cpu_core_id = c->cpu_core_id % cpn; -#endif + /* fixup core id to be in range from 0 to (cores_per_node - 1) */ + c->cpu_core_id = c->cpu_core_id % cores_per_node; } #endif diff --git a/arch/x86/kernel/cpu/cpufreq/powernow-k8.c b/arch/x86/kernel/cpu/cpufreq/powernow-k8.c index a9df9441a9a..f125e5c551c 100644 --- a/arch/x86/kernel/cpu/cpufreq/powernow-k8.c +++ b/arch/x86/kernel/cpu/cpufreq/powernow-k8.c @@ -1136,7 +1136,7 @@ static int powernowk8_target(struct cpufreq_policy *pol, if (!alloc_cpumask_var(&oldmask, GFP_KERNEL)) return -ENOMEM; - cpumask_copy(oldmask, tsk_cpumask(current)); + cpumask_copy(oldmask, tsk_cpus_allowed(current)); set_cpus_allowed_ptr(current, cpumask_of(pol->cpu)); if (smp_processor_id() != pol->cpu) { diff --git a/arch/x86/kernel/cpu/intel.c b/arch/x86/kernel/cpu/intel.c index 9c31e8b09d2..879666f4d87 100644 --- a/arch/x86/kernel/cpu/intel.c +++ b/arch/x86/kernel/cpu/intel.c @@ -70,7 +70,6 @@ static void __cpuinit early_init_intel(struct cpuinfo_x86 *c) if (c->x86_power & (1 << 8)) { set_cpu_cap(c, X86_FEATURE_CONSTANT_TSC); set_cpu_cap(c, X86_FEATURE_NONSTOP_TSC); - set_cpu_cap(c, X86_FEATURE_TSC_RELIABLE); sched_clock_stable = 1; } diff --git a/arch/x86/kernel/cpu/perf_event.c b/arch/x86/kernel/cpu/perf_event.c index 45506d5dd8d..c223b7e895d 100644 --- a/arch/x86/kernel/cpu/perf_event.c +++ b/arch/x86/kernel/cpu/perf_event.c @@ -2336,6 +2336,7 @@ static const struct stacktrace_ops backtrace_ops = { .warning_symbol = backtrace_warning_symbol, .stack = backtrace_stack, .address = backtrace_address, + .walk_stack = print_context_stack_bp, }; #include "../dumpstack.h" diff --git a/arch/x86/kernel/cpuid.c b/arch/x86/kernel/cpuid.c index 7ef24a79699..cb27fd6136c 100644 --- a/arch/x86/kernel/cpuid.c +++ b/arch/x86/kernel/cpuid.c @@ -187,7 +187,8 @@ static int __init cpuid_init(void) int i, err = 0; i = 0; - if (register_chrdev(CPUID_MAJOR, "cpu/cpuid", &cpuid_fops)) { + if (__register_chrdev(CPUID_MAJOR, 0, NR_CPUS, + "cpu/cpuid", &cpuid_fops)) { printk(KERN_ERR "cpuid: unable to get major %d for cpuid\n", CPUID_MAJOR); err = -EBUSY; @@ -216,7 +217,7 @@ out_class: } class_destroy(cpuid_class); out_chrdev: - unregister_chrdev(CPUID_MAJOR, "cpu/cpuid"); + __unregister_chrdev(CPUID_MAJOR, 0, NR_CPUS, "cpu/cpuid"); out: return err; } diff --git a/arch/x86/kernel/dumpstack.c b/arch/x86/kernel/dumpstack.c index 0a0aa1cec8f..c56bc287303 100644 --- a/arch/x86/kernel/dumpstack.c +++ b/arch/x86/kernel/dumpstack.c @@ -109,6 +109,30 @@ print_context_stack(struct thread_info *tinfo, } return bp; } +EXPORT_SYMBOL_GPL(print_context_stack); + +unsigned long +print_context_stack_bp(struct thread_info *tinfo, + unsigned long *stack, unsigned long bp, + const struct stacktrace_ops *ops, void *data, + unsigned long *end, int *graph) +{ + struct stack_frame *frame = (struct stack_frame *)bp; + unsigned long *ret_addr = &frame->return_address; + + while (valid_stack_ptr(tinfo, ret_addr, sizeof(*ret_addr), end)) { + unsigned long addr = *ret_addr; + + if (__kernel_text_address(addr)) { + ops->address(data, addr, 1); + frame = frame->next_frame; + ret_addr = &frame->return_address; + print_ftrace_graph_addr(addr, data, ops, tinfo, graph); + } + } + return (unsigned long)frame; +} +EXPORT_SYMBOL_GPL(print_context_stack_bp); static void @@ -141,10 +165,11 @@ static void print_trace_address(void *data, unsigned long addr, int reliable) } static const struct stacktrace_ops print_trace_ops = { - .warning = print_trace_warning, - .warning_symbol = print_trace_warning_symbol, - .stack = print_trace_stack, - .address = print_trace_address, + .warning = print_trace_warning, + .warning_symbol = print_trace_warning_symbol, + .stack = print_trace_stack, + .address = print_trace_address, + .walk_stack = print_context_stack, }; void diff --git a/arch/x86/kernel/dumpstack.h b/arch/x86/kernel/dumpstack.h index 81086c227ab..4fd1420faff 100644 --- a/arch/x86/kernel/dumpstack.h +++ b/arch/x86/kernel/dumpstack.h @@ -14,12 +14,6 @@ #define get_bp(bp) asm("movq %%rbp, %0" : "=r" (bp) :) #endif -extern unsigned long -print_context_stack(struct thread_info *tinfo, - unsigned long *stack, unsigned long bp, - const struct stacktrace_ops *ops, void *data, - unsigned long *end, int *graph); - extern void show_trace_log_lvl(struct task_struct *task, struct pt_regs *regs, unsigned long *stack, unsigned long bp, char *log_lvl); diff --git a/arch/x86/kernel/dumpstack_32.c b/arch/x86/kernel/dumpstack_32.c index e0ed4c7abb6..ae775ca47b2 100644 --- a/arch/x86/kernel/dumpstack_32.c +++ b/arch/x86/kernel/dumpstack_32.c @@ -58,7 +58,7 @@ void dump_trace(struct task_struct *task, struct pt_regs *regs, context = (struct thread_info *) ((unsigned long)stack & (~(THREAD_SIZE - 1))); - bp = print_context_stack(context, stack, bp, ops, data, NULL, &graph); + bp = ops->walk_stack(context, stack, bp, ops, data, NULL, &graph); stack = (unsigned long *)context->previous_esp; if (!stack) diff --git a/arch/x86/kernel/dumpstack_64.c b/arch/x86/kernel/dumpstack_64.c index b13af53883a..0ad9597073f 100644 --- a/arch/x86/kernel/dumpstack_64.c +++ b/arch/x86/kernel/dumpstack_64.c @@ -188,8 +188,8 @@ void dump_trace(struct task_struct *task, struct pt_regs *regs, if (ops->stack(data, id) < 0) break; - bp = print_context_stack(tinfo, stack, bp, ops, - data, estack_end, &graph); + bp = ops->walk_stack(tinfo, stack, bp, ops, + data, estack_end, &graph); ops->stack(data, "<EOE>"); /* * We link to the next stack via the diff --git a/arch/x86/kernel/e820.c b/arch/x86/kernel/e820.c index f50447d961c..05ed7ab2ca4 100644 --- a/arch/x86/kernel/e820.c +++ b/arch/x86/kernel/e820.c @@ -724,7 +724,7 @@ core_initcall(e820_mark_nvs_memory); /* * Early reserved memory areas. */ -#define MAX_EARLY_RES 20 +#define MAX_EARLY_RES 32 struct early_res { u64 start, end; diff --git a/arch/x86/kernel/msr.c b/arch/x86/kernel/msr.c index 572b07eee3f..4bd93c9b2b2 100644 --- a/arch/x86/kernel/msr.c +++ b/arch/x86/kernel/msr.c @@ -246,7 +246,7 @@ static int __init msr_init(void) int i, err = 0; i = 0; - if (register_chrdev(MSR_MAJOR, "cpu/msr", &msr_fops)) { + if (__register_chrdev(MSR_MAJOR, 0, NR_CPUS, "cpu/msr", &msr_fops)) { printk(KERN_ERR "msr: unable to get major %d for msr\n", MSR_MAJOR); err = -EBUSY; @@ -274,7 +274,7 @@ out_class: msr_device_destroy(i); class_destroy(msr_class); out_chrdev: - unregister_chrdev(MSR_MAJOR, "cpu/msr"); + __unregister_chrdev(MSR_MAJOR, 0, NR_CPUS, "cpu/msr"); out: return err; } diff --git a/arch/x86/kernel/ptrace.c b/arch/x86/kernel/ptrace.c index 2779321046b..017d937639f 100644 --- a/arch/x86/kernel/ptrace.c +++ b/arch/x86/kernel/ptrace.c @@ -509,14 +509,14 @@ static int genregs_get(struct task_struct *target, { if (kbuf) { unsigned long *k = kbuf; - while (count > 0) { + while (count >= sizeof(*k)) { *k++ = getreg(target, pos); count -= sizeof(*k); pos += sizeof(*k); } } else { unsigned long __user *u = ubuf; - while (count > 0) { + while (count >= sizeof(*u)) { if (__put_user(getreg(target, pos), u++)) return -EFAULT; count -= sizeof(*u); @@ -535,14 +535,14 @@ static int genregs_set(struct task_struct *target, int ret = 0; if (kbuf) { const unsigned long *k = kbuf; - while (count > 0 && !ret) { + while (count >= sizeof(*k) && !ret) { ret = putreg(target, pos, *k++); count -= sizeof(*k); pos += sizeof(*k); } } else { const unsigned long __user *u = ubuf; - while (count > 0 && !ret) { + while (count >= sizeof(*u) && !ret) { unsigned long word; ret = __get_user(word, u++); if (ret) @@ -1458,14 +1458,14 @@ static int genregs32_get(struct task_struct *target, { if (kbuf) { compat_ulong_t *k = kbuf; - while (count > 0) { + while (count >= sizeof(*k)) { getreg32(target, pos, k++); count -= sizeof(*k); pos += sizeof(*k); } } else { compat_ulong_t __user *u = ubuf; - while (count > 0) { + while (count >= sizeof(*u)) { compat_ulong_t word; getreg32(target, pos, &word); if (__put_user(word, u++)) @@ -1486,14 +1486,14 @@ static int genregs32_set(struct task_struct *target, int ret = 0; if (kbuf) { const compat_ulong_t *k = kbuf; - while (count > 0 && !ret) { + while (count >= sizeof(*k) && !ret) { ret = putreg32(target, pos, *k++); count -= sizeof(*k); pos += sizeof(*k); } } else { const compat_ulong_t __user *u = ubuf; - while (count > 0 && !ret) { + while (count >= sizeof(*u) && !ret) { compat_ulong_t word; ret = __get_user(word, u++); if (ret) diff --git a/arch/x86/kernel/stacktrace.c b/arch/x86/kernel/stacktrace.c index c3eb207181f..922eefbb3f6 100644 --- a/arch/x86/kernel/stacktrace.c +++ b/arch/x86/kernel/stacktrace.c @@ -53,17 +53,19 @@ save_stack_address_nosched(void *data, unsigned long addr, int reliable) } static const struct stacktrace_ops save_stack_ops = { - .warning = save_stack_warning, - .warning_symbol = save_stack_warning_symbol, - .stack = save_stack_stack, - .address = save_stack_address, + .warning = save_stack_warning, + .warning_symbol = save_stack_warning_symbol, + .stack = save_stack_stack, + .address = save_stack_address, + .walk_stack = print_context_stack, }; static const struct stacktrace_ops save_stack_ops_nosched = { - .warning = save_stack_warning, - .warning_symbol = save_stack_warning_symbol, - .stack = save_stack_stack, - .address = save_stack_address_nosched, + .warning = save_stack_warning, + .warning_symbol = save_stack_warning_symbol, + .stack = save_stack_stack, + .address = save_stack_address_nosched, + .walk_stack = print_context_stack, }; /* diff --git a/arch/x86/kernel/tsc.c b/arch/x86/kernel/tsc.c index cd982f48e23..597683aa5ba 100644 --- a/arch/x86/kernel/tsc.c +++ b/arch/x86/kernel/tsc.c @@ -763,6 +763,7 @@ void mark_tsc_unstable(char *reason) { if (!tsc_unstable) { tsc_unstable = 1; + sched_clock_stable = 0; printk(KERN_INFO "Marking TSC unstable due to %s\n", reason); /* Change only the rating, when not registered */ if (clocksource_tsc.mult) diff --git a/arch/x86/kernel/uv_irq.c b/arch/x86/kernel/uv_irq.c index 61d805df4c9..ece73d8e324 100644 --- a/arch/x86/kernel/uv_irq.c +++ b/arch/x86/kernel/uv_irq.c @@ -215,8 +215,7 @@ static int uv_set_irq_affinity(unsigned int irq, const struct cpumask *mask) unsigned long mmr_offset; unsigned mmr_pnode; - dest = set_desc_affinity(desc, mask); - if (dest == BAD_APICID) + if (set_desc_affinity(desc, mask, &dest)) return -1; mmr_value = 0; diff --git a/arch/x86/lib/Makefile b/arch/x86/lib/Makefile index 45b20e486c2..cffd754f303 100644 --- a/arch/x86/lib/Makefile +++ b/arch/x86/lib/Makefile @@ -14,7 +14,7 @@ $(obj)/inat.o: $(obj)/inat-tables.c clean-files := inat-tables.c -obj-$(CONFIG_SMP) := msr.o +obj-$(CONFIG_SMP) += msr-smp.o lib-y := delay.o lib-y += thunk_$(BITS).o @@ -22,7 +22,7 @@ lib-y += usercopy_$(BITS).o getuser.o putuser.o lib-y += memcpy_$(BITS).o lib-$(CONFIG_KPROBES) += insn.o inat.o -obj-y += msr-reg.o msr-reg-export.o +obj-y += msr.o msr-reg.o msr-reg-export.o ifeq ($(CONFIG_X86_32),y) obj-y += atomic64_32.o diff --git a/arch/x86/lib/msr-smp.c b/arch/x86/lib/msr-smp.c new file mode 100644 index 00000000000..a6b1b86d225 --- /dev/null +++ b/arch/x86/lib/msr-smp.c @@ -0,0 +1,204 @@ +#include <linux/module.h> +#include <linux/preempt.h> +#include <linux/smp.h> +#include <asm/msr.h> + +static void __rdmsr_on_cpu(void *info) +{ + struct msr_info *rv = info; + struct msr *reg; + int this_cpu = raw_smp_processor_id(); + + if (rv->msrs) + reg = per_cpu_ptr(rv->msrs, this_cpu); + else + reg = &rv->reg; + + rdmsr(rv->msr_no, reg->l, reg->h); +} + +static void __wrmsr_on_cpu(void *info) +{ + struct msr_info *rv = info; + struct msr *reg; + int this_cpu = raw_smp_processor_id(); + + if (rv->msrs) + reg = per_cpu_ptr(rv->msrs, this_cpu); + else + reg = &rv->reg; + + wrmsr(rv->msr_no, reg->l, reg->h); +} + +int rdmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 *l, u32 *h) +{ + int err; + struct msr_info rv; + + memset(&rv, 0, sizeof(rv)); + + rv.msr_no = msr_no; + err = smp_call_function_single(cpu, __rdmsr_on_cpu, &rv, 1); + *l = rv.reg.l; + *h = rv.reg.h; + + return err; +} +EXPORT_SYMBOL(rdmsr_on_cpu); + +int wrmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h) +{ + int err; + struct msr_info rv; + + memset(&rv, 0, sizeof(rv)); + + rv.msr_no = msr_no; + rv.reg.l = l; + rv.reg.h = h; + err = smp_call_function_single(cpu, __wrmsr_on_cpu, &rv, 1); + + return err; +} +EXPORT_SYMBOL(wrmsr_on_cpu); + +static void __rwmsr_on_cpus(const struct cpumask *mask, u32 msr_no, + struct msr *msrs, + void (*msr_func) (void *info)) +{ + struct msr_info rv; + int this_cpu; + + memset(&rv, 0, sizeof(rv)); + + rv.msrs = msrs; + rv.msr_no = msr_no; + + this_cpu = get_cpu(); + + if (cpumask_test_cpu(this_cpu, mask)) + msr_func(&rv); + + smp_call_function_many(mask, msr_func, &rv, 1); + put_cpu(); +} + +/* rdmsr on a bunch of CPUs + * + * @mask: which CPUs + * @msr_no: which MSR + * @msrs: array of MSR values + * + */ +void rdmsr_on_cpus(const struct cpumask *mask, u32 msr_no, struct msr *msrs) +{ + __rwmsr_on_cpus(mask, msr_no, msrs, __rdmsr_on_cpu); +} +EXPORT_SYMBOL(rdmsr_on_cpus); + +/* + * wrmsr on a bunch of CPUs + * + * @mask: which CPUs + * @msr_no: which MSR + * @msrs: array of MSR values + * + */ +void wrmsr_on_cpus(const struct cpumask *mask, u32 msr_no, struct msr *msrs) +{ + __rwmsr_on_cpus(mask, msr_no, msrs, __wrmsr_on_cpu); +} +EXPORT_SYMBOL(wrmsr_on_cpus); + +/* These "safe" variants are slower and should be used when the target MSR + may not actually exist. */ +static void __rdmsr_safe_on_cpu(void *info) +{ + struct msr_info *rv = info; + + rv->err = rdmsr_safe(rv->msr_no, &rv->reg.l, &rv->reg.h); +} + +static void __wrmsr_safe_on_cpu(void *info) +{ + struct msr_info *rv = info; + + rv->err = wrmsr_safe(rv->msr_no, rv->reg.l, rv->reg.h); +} + +int rdmsr_safe_on_cpu(unsigned int cpu, u32 msr_no, u32 *l, u32 *h) +{ + int err; + struct msr_info rv; + + memset(&rv, 0, sizeof(rv)); + + rv.msr_no = msr_no; + err = smp_call_function_single(cpu, __rdmsr_safe_on_cpu, &rv, 1); + *l = rv.reg.l; + *h = rv.reg.h; + + return err ? err : rv.err; +} +EXPORT_SYMBOL(rdmsr_safe_on_cpu); + +int wrmsr_safe_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h) +{ + int err; + struct msr_info rv; + + memset(&rv, 0, sizeof(rv)); + + rv.msr_no = msr_no; + rv.reg.l = l; + rv.reg.h = h; + err = smp_call_function_single(cpu, __wrmsr_safe_on_cpu, &rv, 1); + + return err ? err : rv.err; +} +EXPORT_SYMBOL(wrmsr_safe_on_cpu); + +/* + * These variants are significantly slower, but allows control over + * the entire 32-bit GPR set. + */ +static void __rdmsr_safe_regs_on_cpu(void *info) +{ + struct msr_regs_info *rv = info; + + rv->err = rdmsr_safe_regs(rv->regs); +} + +static void __wrmsr_safe_regs_on_cpu(void *info) +{ + struct msr_regs_info *rv = info; + + rv->err = wrmsr_safe_regs(rv->regs); +} + +int rdmsr_safe_regs_on_cpu(unsigned int cpu, u32 *regs) +{ + int err; + struct msr_regs_info rv; + + rv.regs = regs; + rv.err = -EIO; + err = smp_call_function_single(cpu, __rdmsr_safe_regs_on_cpu, &rv, 1); + + return err ? err : rv.err; +} +EXPORT_SYMBOL(rdmsr_safe_regs_on_cpu); + +int wrmsr_safe_regs_on_cpu(unsigned int cpu, u32 *regs) +{ + int err; + struct msr_regs_info rv; + + rv.regs = regs; + rv.err = -EIO; + err = smp_call_function_single(cpu, __wrmsr_safe_regs_on_cpu, &rv, 1); + + return err ? err : rv.err; +} +EXPORT_SYMBOL(wrmsr_safe_regs_on_cpu); diff --git a/arch/x86/lib/msr.c b/arch/x86/lib/msr.c index 87283417793..8f8eebdca7d 100644 --- a/arch/x86/lib/msr.c +++ b/arch/x86/lib/msr.c @@ -1,123 +1,7 @@ #include <linux/module.h> #include <linux/preempt.h> -#include <linux/smp.h> #include <asm/msr.h> -struct msr_info { - u32 msr_no; - struct msr reg; - struct msr *msrs; - int err; -}; - -static void __rdmsr_on_cpu(void *info) -{ - struct msr_info *rv = info; - struct msr *reg; - int this_cpu = raw_smp_processor_id(); - - if (rv->msrs) - reg = per_cpu_ptr(rv->msrs, this_cpu); - else - reg = &rv->reg; - - rdmsr(rv->msr_no, reg->l, reg->h); -} - -static void __wrmsr_on_cpu(void *info) -{ - struct msr_info *rv = info; - struct msr *reg; - int this_cpu = raw_smp_processor_id(); - - if (rv->msrs) - reg = per_cpu_ptr(rv->msrs, this_cpu); - else - reg = &rv->reg; - - wrmsr(rv->msr_no, reg->l, reg->h); -} - -int rdmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 *l, u32 *h) -{ - int err; - struct msr_info rv; - - memset(&rv, 0, sizeof(rv)); - - rv.msr_no = msr_no; - err = smp_call_function_single(cpu, __rdmsr_on_cpu, &rv, 1); - *l = rv.reg.l; - *h = rv.reg.h; - - return err; -} -EXPORT_SYMBOL(rdmsr_on_cpu); - -int wrmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h) -{ - int err; - struct msr_info rv; - - memset(&rv, 0, sizeof(rv)); - - rv.msr_no = msr_no; - rv.reg.l = l; - rv.reg.h = h; - err = smp_call_function_single(cpu, __wrmsr_on_cpu, &rv, 1); - - return err; -} -EXPORT_SYMBOL(wrmsr_on_cpu); - -static void __rwmsr_on_cpus(const struct cpumask *mask, u32 msr_no, - struct msr *msrs, - void (*msr_func) (void *info)) -{ - struct msr_info rv; - int this_cpu; - - memset(&rv, 0, sizeof(rv)); - - rv.msrs = msrs; - rv.msr_no = msr_no; - - this_cpu = get_cpu(); - - if (cpumask_test_cpu(this_cpu, mask)) - msr_func(&rv); - - smp_call_function_many(mask, msr_func, &rv, 1); - put_cpu(); -} - -/* rdmsr on a bunch of CPUs - * - * @mask: which CPUs - * @msr_no: which MSR - * @msrs: array of MSR values - * - */ -void rdmsr_on_cpus(const struct cpumask *mask, u32 msr_no, struct msr *msrs) -{ - __rwmsr_on_cpus(mask, msr_no, msrs, __rdmsr_on_cpu); -} -EXPORT_SYMBOL(rdmsr_on_cpus); - -/* - * wrmsr on a bunch of CPUs - * - * @mask: which CPUs - * @msr_no: which MSR - * @msrs: array of MSR values - * - */ -void wrmsr_on_cpus(const struct cpumask *mask, u32 msr_no, struct msr *msrs) -{ - __rwmsr_on_cpus(mask, msr_no, msrs, __wrmsr_on_cpu); -} -EXPORT_SYMBOL(wrmsr_on_cpus); - struct msr *msrs_alloc(void) { struct msr *msrs = NULL; @@ -137,100 +21,3 @@ void msrs_free(struct msr *msrs) free_percpu(msrs); } EXPORT_SYMBOL(msrs_free); - -/* These "safe" variants are slower and should be used when the target MSR - may not actually exist. */ -static void __rdmsr_safe_on_cpu(void *info) -{ - struct msr_info *rv = info; - - rv->err = rdmsr_safe(rv->msr_no, &rv->reg.l, &rv->reg.h); -} - -static void __wrmsr_safe_on_cpu(void *info) -{ - struct msr_info *rv = info; - - rv->err = wrmsr_safe(rv->msr_no, rv->reg.l, rv->reg.h); -} - -int rdmsr_safe_on_cpu(unsigned int cpu, u32 msr_no, u32 *l, u32 *h) -{ - int err; - struct msr_info rv; - - memset(&rv, 0, sizeof(rv)); - - rv.msr_no = msr_no; - err = smp_call_function_single(cpu, __rdmsr_safe_on_cpu, &rv, 1); - *l = rv.reg.l; - *h = rv.reg.h; - - return err ? err : rv.err; -} -EXPORT_SYMBOL(rdmsr_safe_on_cpu); - -int wrmsr_safe_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h) -{ - int err; - struct msr_info rv; - - memset(&rv, 0, sizeof(rv)); - - rv.msr_no = msr_no; - rv.reg.l = l; - rv.reg.h = h; - err = smp_call_function_single(cpu, __wrmsr_safe_on_cpu, &rv, 1); - - return err ? err : rv.err; -} -EXPORT_SYMBOL(wrmsr_safe_on_cpu); - -/* - * These variants are significantly slower, but allows control over - * the entire 32-bit GPR set. - */ -struct msr_regs_info { - u32 *regs; - int err; -}; - -static void __rdmsr_safe_regs_on_cpu(void *info) -{ - struct msr_regs_info *rv = info; - - rv->err = rdmsr_safe_regs(rv->regs); -} - -static void __wrmsr_safe_regs_on_cpu(void *info) -{ - struct msr_regs_info *rv = info; - - rv->err = wrmsr_safe_regs(rv->regs); -} - -int rdmsr_safe_regs_on_cpu(unsigned int cpu, u32 *regs) -{ - int err; - struct msr_regs_info rv; - - rv.regs = regs; - rv.err = -EIO; - err = smp_call_function_single(cpu, __rdmsr_safe_regs_on_cpu, &rv, 1); - - return err ? err : rv.err; -} -EXPORT_SYMBOL(rdmsr_safe_regs_on_cpu); - -int wrmsr_safe_regs_on_cpu(unsigned int cpu, u32 *regs) -{ - int err; - struct msr_regs_info rv; - - rv.regs = regs; - rv.err = -EIO; - err = smp_call_function_single(cpu, __wrmsr_safe_regs_on_cpu, &rv, 1); - - return err ? err : rv.err; -} -EXPORT_SYMBOL(wrmsr_safe_regs_on_cpu); diff --git a/arch/x86/mm/srat_32.c b/arch/x86/mm/srat_32.c index 6f8aa33031c..9324f13492d 100644 --- a/arch/x86/mm/srat_32.c +++ b/arch/x86/mm/srat_32.c @@ -267,6 +267,8 @@ int __init get_memcfg_from_srat(void) e820_register_active_regions(chunk->nid, chunk->start_pfn, min(chunk->end_pfn, max_pfn)); } + /* for out of order entries in SRAT */ + sort_node_map(); for_each_online_node(nid) { unsigned long start = node_start_pfn[nid]; diff --git a/arch/x86/mm/srat_64.c b/arch/x86/mm/srat_64.c index d8907548966..a27124185fc 100644 --- a/arch/x86/mm/srat_64.c +++ b/arch/x86/mm/srat_64.c @@ -317,7 +317,7 @@ static int __init nodes_cover_memory(const struct bootnode *nodes) unsigned long s = nodes[i].start >> PAGE_SHIFT; unsigned long e = nodes[i].end >> PAGE_SHIFT; pxmram += e - s; - pxmram -= absent_pages_in_range(s, e); + pxmram -= __absent_pages_in_range(i, s, e); if ((long)pxmram < 0) pxmram = 0; } @@ -373,6 +373,8 @@ int __init acpi_scan_nodes(unsigned long start, unsigned long end) for_each_node_mask(i, nodes_parsed) e820_register_active_regions(i, nodes[i].start >> PAGE_SHIFT, nodes[i].end >> PAGE_SHIFT); + /* for out of order entries in SRAT */ + sort_node_map(); if (!nodes_cover_memory(nodes)) { bad_srat(); return -1; diff --git a/arch/x86/oprofile/backtrace.c b/arch/x86/oprofile/backtrace.c index 044897be021..3855096c59b 100644 --- a/arch/x86/oprofile/backtrace.c +++ b/arch/x86/oprofile/backtrace.c @@ -41,10 +41,11 @@ static void backtrace_address(void *data, unsigned long addr, int reliable) } static struct stacktrace_ops backtrace_ops = { - .warning = backtrace_warning, - .warning_symbol = backtrace_warning_symbol, - .stack = backtrace_stack, - .address = backtrace_address, + .warning = backtrace_warning, + .warning_symbol = backtrace_warning_symbol, + .stack = backtrace_stack, + .address = backtrace_address, + .walk_stack = print_context_stack, }; struct frame_head { diff --git a/arch/x86/tools/chkobjdump.awk b/arch/x86/tools/chkobjdump.awk index 0d13cd9fdcf..5bbb5a33f22 100644 --- a/arch/x86/tools/chkobjdump.awk +++ b/arch/x86/tools/chkobjdump.awk @@ -9,7 +9,7 @@ BEGIN { } /^GNU/ { - split($4, ver, "."); + split($3, ver, "."); if (ver[1] > od_ver || (ver[1] == od_ver && ver[2] >= od_sver)) { exit 1; diff --git a/arch/x86/tools/gen-insn-attr-x86.awk b/arch/x86/tools/gen-insn-attr-x86.awk index 7a6850683c3..eaf11f52fc0 100644 --- a/arch/x86/tools/gen-insn-attr-x86.awk +++ b/arch/x86/tools/gen-insn-attr-x86.awk @@ -6,8 +6,6 @@ # Awk implementation sanity check function check_awk_implement() { - if (!match("abc", "[[:lower:]]+")) - return "Your awk doesn't support charactor-class." if (sprintf("%x", 0) != "0") return "Your awk has a printf-format problem." return "" @@ -44,12 +42,12 @@ BEGIN { delete gtable delete atable - opnd_expr = "^[[:alpha:]/]" + opnd_expr = "^[A-Za-z/]" ext_expr = "^\\(" sep_expr = "^\\|$" - group_expr = "^Grp[[:alnum:]]+" + group_expr = "^Grp[0-9A-Za-z]+" - imm_expr = "^[IJAO][[:lower:]]" + imm_expr = "^[IJAO][a-z]" imm_flag["Ib"] = "INAT_MAKE_IMM(INAT_IMM_BYTE)" imm_flag["Jb"] = "INAT_MAKE_IMM(INAT_IMM_BYTE)" imm_flag["Iw"] = "INAT_MAKE_IMM(INAT_IMM_WORD)" @@ -62,7 +60,7 @@ BEGIN { imm_flag["Ob"] = "INAT_MOFFSET" imm_flag["Ov"] = "INAT_MOFFSET" - modrm_expr = "^([CDEGMNPQRSUVW/][[:lower:]]+|NTA|T[012])" + modrm_expr = "^([CDEGMNPQRSUVW/][a-z]+|NTA|T[012])" force64_expr = "\\([df]64\\)" rex_expr = "^REX(\\.[XRWB]+)*" fpu_expr = "^ESC" # TODO diff --git a/arch/xtensa/include/asm/asm-offsets.h b/arch/xtensa/include/asm/asm-offsets.h new file mode 100644 index 00000000000..d370ee36a18 --- /dev/null +++ b/arch/xtensa/include/asm/asm-offsets.h @@ -0,0 +1 @@ +#include <generated/asm-offsets.h> diff --git a/drivers/accessibility/braille/braille_console.c b/drivers/accessibility/braille/braille_console.c index d672cfe7ca5..cb423f5aef2 100644 --- a/drivers/accessibility/braille/braille_console.c +++ b/drivers/accessibility/braille/braille_console.c @@ -21,7 +21,6 @@ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ -#include <linux/autoconf.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/moduleparam.h> diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index 1683ebda900..f4ea5a8c325 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -3022,7 +3022,7 @@ static inline ata_xlat_func_t ata_get_xlat_func(struct ata_device *dev, u8 cmd) case WRITE_16: return ata_scsi_rw_xlat; - case 0x93 /*WRITE_SAME_16*/: + case WRITE_SAME_16: return ata_scsi_write_same_xlat; case SYNCHRONIZE_CACHE: diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c index efa8773bef5..741065c9da6 100644 --- a/drivers/ata/libata-sff.c +++ b/drivers/ata/libata-sff.c @@ -2275,7 +2275,7 @@ void ata_sff_drain_fifo(struct ata_queued_cmd *qc) ap = qc->ap; /* Drain up to 64K of data before we give up this recovery method */ for (count = 0; (ap->ops->sff_check_status(ap) & ATA_DRQ) - && count < 32768; count++) + && count < 65536; count += 2) ioread16(ap->ioaddr.data_addr); /* Can become DEBUG later */ diff --git a/drivers/ata/pata_hpt3x2n.c b/drivers/ata/pata_hpt3x2n.c index 9a09a1b11ca..dd26bc73bd9 100644 --- a/drivers/ata/pata_hpt3x2n.c +++ b/drivers/ata/pata_hpt3x2n.c @@ -8,7 +8,7 @@ * Copyright (C) 1999-2003 Andre Hedrick <andre@linux-ide.org> * Portions Copyright (C) 2001 Sun Microsystems, Inc. * Portions Copyright (C) 2003 Red Hat Inc - * Portions Copyright (C) 2005-2007 MontaVista Software, Inc. + * Portions Copyright (C) 2005-2009 MontaVista Software, Inc. * * * TODO @@ -25,7 +25,7 @@ #include <linux/libata.h> #define DRV_NAME "pata_hpt3x2n" -#define DRV_VERSION "0.3.7" +#define DRV_VERSION "0.3.8" enum { HPT_PCI_FAST = (1 << 31), @@ -264,7 +264,7 @@ static void hpt3x2n_bmdma_stop(struct ata_queued_cmd *qc) static void hpt3x2n_set_clock(struct ata_port *ap, int source) { - void __iomem *bmdma = ap->ioaddr.bmdma_addr; + void __iomem *bmdma = ap->ioaddr.bmdma_addr - ap->port_no * 8; /* Tristate the bus */ iowrite8(0x80, bmdma+0x73); @@ -274,9 +274,9 @@ static void hpt3x2n_set_clock(struct ata_port *ap, int source) iowrite8(source, bmdma+0x7B); iowrite8(0xC0, bmdma+0x79); - /* Reset state machines */ - iowrite8(0x37, bmdma+0x70); - iowrite8(0x37, bmdma+0x74); + /* Reset state machines, avoid enabling the disabled channels */ + iowrite8(ioread8(bmdma+0x70) | 0x32, bmdma+0x70); + iowrite8(ioread8(bmdma+0x74) | 0x32, bmdma+0x74); /* Complete reset */ iowrite8(0x00, bmdma+0x79); @@ -286,21 +286,10 @@ static void hpt3x2n_set_clock(struct ata_port *ap, int source) iowrite8(0x00, bmdma+0x77); } -/* Check if our partner interface is busy */ - -static int hpt3x2n_pair_idle(struct ata_port *ap) -{ - struct ata_host *host = ap->host; - struct ata_port *pair = host->ports[ap->port_no ^ 1]; - - if (pair->hsm_task_state == HSM_ST_IDLE) - return 1; - return 0; -} - static int hpt3x2n_use_dpll(struct ata_port *ap, int writing) { long flags = (long)ap->host->private_data; + /* See if we should use the DPLL */ if (writing) return USE_DPLL; /* Needed for write */ @@ -309,20 +298,35 @@ static int hpt3x2n_use_dpll(struct ata_port *ap, int writing) return 0; } +static int hpt3x2n_qc_defer(struct ata_queued_cmd *qc) +{ + struct ata_port *ap = qc->ap; + struct ata_port *alt = ap->host->ports[ap->port_no ^ 1]; + int rc, flags = (long)ap->host->private_data; + int dpll = hpt3x2n_use_dpll(ap, qc->tf.flags & ATA_TFLAG_WRITE); + + /* First apply the usual rules */ + rc = ata_std_qc_defer(qc); + if (rc != 0) + return rc; + + if ((flags & USE_DPLL) != dpll && alt->qc_active) + return ATA_DEFER_PORT; + return 0; +} + static unsigned int hpt3x2n_qc_issue(struct ata_queued_cmd *qc) { - struct ata_taskfile *tf = &qc->tf; struct ata_port *ap = qc->ap; int flags = (long)ap->host->private_data; + int dpll = hpt3x2n_use_dpll(ap, qc->tf.flags & ATA_TFLAG_WRITE); - if (hpt3x2n_pair_idle(ap)) { - int dpll = hpt3x2n_use_dpll(ap, (tf->flags & ATA_TFLAG_WRITE)); - if ((flags & USE_DPLL) != dpll) { - if (dpll == 1) - hpt3x2n_set_clock(ap, 0x21); - else - hpt3x2n_set_clock(ap, 0x23); - } + if ((flags & USE_DPLL) != dpll) { + flags &= ~USE_DPLL; + flags |= dpll; + ap->host->private_data = (void *)(long)flags; + + hpt3x2n_set_clock(ap, dpll ? 0x21 : 0x23); } return ata_sff_qc_issue(qc); } @@ -339,6 +343,8 @@ static struct ata_port_operations hpt3x2n_port_ops = { .inherits = &ata_bmdma_port_ops, .bmdma_stop = hpt3x2n_bmdma_stop, + + .qc_defer = hpt3x2n_qc_defer, .qc_issue = hpt3x2n_qc_issue, .cable_detect = hpt3x2n_cable_detect, @@ -454,7 +460,7 @@ static int hpt3x2n_init_one(struct pci_dev *dev, const struct pci_device_id *id) unsigned int f_low, f_high; int adjust; unsigned long iobase = pci_resource_start(dev, 4); - void *hpriv = NULL; + void *hpriv = (void *)USE_DPLL; int rc; rc = pcim_enable_device(dev); @@ -539,7 +545,7 @@ static int hpt3x2n_init_one(struct pci_dev *dev, const struct pci_device_id *id) /* Set our private data up. We only need a few flags so we use it directly */ if (pci_mhz > 60) { - hpriv = (void *)PCI66; + hpriv = (void *)(PCI66 | USE_DPLL); /* * On HPT371N, if ATA clock is 66 MHz we must set bit 2 in * the MISC. register to stretch the UltraDMA Tss timing. diff --git a/drivers/ata/pata_octeon_cf.c b/drivers/ata/pata_octeon_cf.c index d6f69561dc8..37ef416c124 100644 --- a/drivers/ata/pata_octeon_cf.c +++ b/drivers/ata/pata_octeon_cf.c @@ -853,7 +853,7 @@ static int __devinit octeon_cf_probe(struct platform_device *pdev) return -EINVAL; cs1 = devm_ioremap_nocache(&pdev->dev, res_cs1->start, - res_cs0->end - res_cs1->start + 1); + resource_size(res_cs1)); if (!cs1) return -ENOMEM; diff --git a/drivers/ata/sata_mv.c b/drivers/ata/sata_mv.c index a8a7be0d06f..df8ee325d3c 100644 --- a/drivers/ata/sata_mv.c +++ b/drivers/ata/sata_mv.c @@ -59,6 +59,7 @@ #include <linux/dmapool.h> #include <linux/dma-mapping.h> #include <linux/device.h> +#include <linux/clk.h> #include <linux/platform_device.h> #include <linux/ata_platform.h> #include <linux/mbus.h> @@ -538,6 +539,7 @@ struct mv_port_signal { struct mv_host_priv { u32 hp_flags; + unsigned int board_idx; u32 main_irq_mask; struct mv_port_signal signal[8]; const struct mv_hw_ops *ops; @@ -548,6 +550,10 @@ struct mv_host_priv { u32 irq_cause_offset; u32 irq_mask_offset; u32 unmask_all_irqs; + +#if defined(CONFIG_HAVE_CLK) + struct clk *clk; +#endif /* * These consistent DMA memory pools give us guaranteed * alignment for hardware-accessed data structures, @@ -2775,7 +2781,7 @@ static void mv_port_intr(struct ata_port *ap, u32 port_cause) struct mv_port_priv *pp; int edma_was_enabled; - if (!ap || (ap->flags & ATA_FLAG_DISABLED)) { + if (ap->flags & ATA_FLAG_DISABLED) { mv_unexpected_intr(ap, 0); return; } @@ -3393,7 +3399,7 @@ static void mv_soc_reset_hc_port(struct mv_host_priv *hpriv, ZERO(0x024); /* respq outp */ ZERO(0x020); /* respq inp */ ZERO(0x02c); /* test control */ - writel(0xbc, port_mmio + EDMA_IORDY_TMOUT); + writel(0x800, port_mmio + EDMA_IORDY_TMOUT); } #undef ZERO @@ -3854,7 +3860,6 @@ static int mv_chip_id(struct ata_host *host, unsigned int board_idx) /** * mv_init_host - Perform some early initialization of the host. * @host: ATA host to initialize - * @board_idx: controller index * * If possible, do an early global reset of the host. Then do * our port init and clear/unmask all/relevant host interrupts. @@ -3862,13 +3867,13 @@ static int mv_chip_id(struct ata_host *host, unsigned int board_idx) * LOCKING: * Inherited from caller. */ -static int mv_init_host(struct ata_host *host, unsigned int board_idx) +static int mv_init_host(struct ata_host *host) { int rc = 0, n_hc, port, hc; struct mv_host_priv *hpriv = host->private_data; void __iomem *mmio = hpriv->base; - rc = mv_chip_id(host, board_idx); + rc = mv_chip_id(host, hpriv->board_idx); if (rc) goto done; @@ -3905,14 +3910,6 @@ static int mv_init_host(struct ata_host *host, unsigned int board_idx) void __iomem *port_mmio = mv_port_base(mmio, port); mv_port_init(&ap->ioaddr, port_mmio); - -#ifdef CONFIG_PCI - if (!IS_SOC(hpriv)) { - unsigned int offset = port_mmio - mmio; - ata_port_pbar_desc(ap, MV_PRIMARY_BAR, -1, "mmio"); - ata_port_pbar_desc(ap, MV_PRIMARY_BAR, offset, "port"); - } -#endif } for (hc = 0; hc < n_hc; hc++) { @@ -4035,12 +4032,21 @@ static int mv_platform_probe(struct platform_device *pdev) return -ENOMEM; host->private_data = hpriv; hpriv->n_ports = n_ports; + hpriv->board_idx = chip_soc; host->iomap = NULL; hpriv->base = devm_ioremap(&pdev->dev, res->start, resource_size(res)); hpriv->base -= SATAHC0_REG_BASE; +#if defined(CONFIG_HAVE_CLK) + hpriv->clk = clk_get(&pdev->dev, NULL); + if (IS_ERR(hpriv->clk)) + dev_notice(&pdev->dev, "cannot get clkdev\n"); + else + clk_enable(hpriv->clk); +#endif + /* * (Re-)program MBUS remapping windows if we are asked to. */ @@ -4049,12 +4055,12 @@ static int mv_platform_probe(struct platform_device *pdev) rc = mv_create_dma_pools(hpriv, &pdev->dev); if (rc) - return rc; + goto err; /* initialize adapter */ - rc = mv_init_host(host, chip_soc); + rc = mv_init_host(host); if (rc) - return rc; + goto err; dev_printk(KERN_INFO, &pdev->dev, "slots %u ports %d\n", (unsigned)MV_MAX_Q_DEPTH, @@ -4062,6 +4068,15 @@ static int mv_platform_probe(struct platform_device *pdev) return ata_host_activate(host, platform_get_irq(pdev, 0), mv_interrupt, IRQF_SHARED, &mv6_sht); +err: +#if defined(CONFIG_HAVE_CLK) + if (!IS_ERR(hpriv->clk)) { + clk_disable(hpriv->clk); + clk_put(hpriv->clk); + } +#endif + + return rc; } /* @@ -4076,14 +4091,66 @@ static int __devexit mv_platform_remove(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct ata_host *host = dev_get_drvdata(dev); - +#if defined(CONFIG_HAVE_CLK) + struct mv_host_priv *hpriv = host->private_data; +#endif ata_host_detach(host); + +#if defined(CONFIG_HAVE_CLK) + if (!IS_ERR(hpriv->clk)) { + clk_disable(hpriv->clk); + clk_put(hpriv->clk); + } +#endif return 0; } +#ifdef CONFIG_PM +static int mv_platform_suspend(struct platform_device *pdev, pm_message_t state) +{ + struct ata_host *host = dev_get_drvdata(&pdev->dev); + if (host) + return ata_host_suspend(host, state); + else + return 0; +} + +static int mv_platform_resume(struct platform_device *pdev) +{ + struct ata_host *host = dev_get_drvdata(&pdev->dev); + int ret; + + if (host) { + struct mv_host_priv *hpriv = host->private_data; + const struct mv_sata_platform_data *mv_platform_data = \ + pdev->dev.platform_data; + /* + * (Re-)program MBUS remapping windows if we are asked to. + */ + if (mv_platform_data->dram != NULL) + mv_conf_mbus_windows(hpriv, mv_platform_data->dram); + + /* initialize adapter */ + ret = mv_init_host(host); + if (ret) { + printk(KERN_ERR DRV_NAME ": Error during HW init\n"); + return ret; + } + ata_host_resume(host); + } + + return 0; +} +#else +#define mv_platform_suspend NULL +#define mv_platform_resume NULL +#endif + static struct platform_driver mv_platform_driver = { .probe = mv_platform_probe, .remove = __devexit_p(mv_platform_remove), + .suspend = mv_platform_suspend, + .resume = mv_platform_resume, .driver = { .name = DRV_NAME, .owner = THIS_MODULE, @@ -4094,6 +4161,9 @@ static struct platform_driver mv_platform_driver = { #ifdef CONFIG_PCI static int mv_pci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent); +#ifdef CONFIG_PM +static int mv_pci_device_resume(struct pci_dev *pdev); +#endif static struct pci_driver mv_pci_driver = { @@ -4101,6 +4171,11 @@ static struct pci_driver mv_pci_driver = { .id_table = mv_pci_tbl, .probe = mv_pci_init_one, .remove = ata_pci_remove_one, +#ifdef CONFIG_PM + .suspend = ata_pci_device_suspend, + .resume = mv_pci_device_resume, +#endif + }; /* move to PCI layer or libata core? */ @@ -4194,7 +4269,7 @@ static int mv_pci_init_one(struct pci_dev *pdev, const struct ata_port_info *ppi[] = { &mv_port_info[board_idx], NULL }; struct ata_host *host; struct mv_host_priv *hpriv; - int n_ports, rc; + int n_ports, port, rc; if (!printed_version++) dev_printk(KERN_INFO, &pdev->dev, "version " DRV_VERSION "\n"); @@ -4208,6 +4283,7 @@ static int mv_pci_init_one(struct pci_dev *pdev, return -ENOMEM; host->private_data = hpriv; hpriv->n_ports = n_ports; + hpriv->board_idx = board_idx; /* acquire resources */ rc = pcim_enable_device(pdev); @@ -4230,8 +4306,17 @@ static int mv_pci_init_one(struct pci_dev *pdev, if (rc) return rc; + for (port = 0; port < host->n_ports; port++) { + struct ata_port *ap = host->ports[port]; + void __iomem *port_mmio = mv_port_base(hpriv->base, port); + unsigned int offset = port_mmio - hpriv->base; + + ata_port_pbar_desc(ap, MV_PRIMARY_BAR, -1, "mmio"); + ata_port_pbar_desc(ap, MV_PRIMARY_BAR, offset, "port"); + } + /* initialize adapter */ - rc = mv_init_host(host, board_idx); + rc = mv_init_host(host); if (rc) return rc; @@ -4247,6 +4332,27 @@ static int mv_pci_init_one(struct pci_dev *pdev, return ata_host_activate(host, pdev->irq, mv_interrupt, IRQF_SHARED, IS_GEN_I(hpriv) ? &mv5_sht : &mv6_sht); } + +#ifdef CONFIG_PM +static int mv_pci_device_resume(struct pci_dev *pdev) +{ + struct ata_host *host = dev_get_drvdata(&pdev->dev); + int rc; + + rc = ata_pci_device_do_resume(pdev); + if (rc) + return rc; + + /* initialize adapter */ + rc = mv_init_host(host); + if (rc) + return rc; + + ata_host_resume(host); + + return 0; +} +#endif #endif static int mv_platform_probe(struct platform_device *pdev); diff --git a/drivers/hid/hid-lg.h b/drivers/hid/hid-lg.h index 27ae750ca87..bf31592eaf7 100644 --- a/drivers/hid/hid-lg.h +++ b/drivers/hid/hid-lg.h @@ -1,8 +1,6 @@ #ifndef __HID_LG_H #define __HID_LG_H -#include <linux/autoconf.h> - #ifdef CONFIG_LOGITECH_FF int lgff_init(struct hid_device *hdev); #else diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig index 95ccbe377f9..46c3c566307 100644 --- a/drivers/hwmon/Kconfig +++ b/drivers/hwmon/Kconfig @@ -228,6 +228,18 @@ config SENSORS_K8TEMP This driver can also be built as a module. If so, the module will be called k8temp. +config SENSORS_K10TEMP + tristate "AMD Phenom/Sempron/Turion/Opteron temperature sensor" + depends on X86 && PCI + help + If you say yes here you get support for the temperature + sensor(s) inside your CPU. Supported are later revisions of + the AMD Family 10h and all revisions of the AMD Family 11h + microarchitectures. + + This driver can also be built as a module. If so, the module + will be called k10temp. + config SENSORS_AMS tristate "Apple Motion Sensor driver" depends on PPC_PMAC && !PPC64 && INPUT && ((ADB_PMU && I2C = y) || (ADB_PMU && !I2C) || I2C) && EXPERIMENTAL @@ -810,6 +822,14 @@ config SENSORS_TMP421 This driver can also be built as a module. If so, the module will be called tmp421. +config SENSORS_VIA_CPUTEMP + tristate "VIA CPU temperature sensor" + depends on X86 + help + If you say yes here you get support for the temperature + sensor inside your CPU. Supported are all known variants of + the VIA C7 and Nano. + config SENSORS_VIA686A tristate "VIA686A" depends on PCI @@ -998,6 +1018,23 @@ config SENSORS_LIS3_SPI will be called lis3lv02d and a specific module for the SPI transport is called lis3lv02d_spi. +config SENSORS_LIS3_I2C + tristate "STMicroeletronics LIS3LV02Dx three-axis digital accelerometer (I2C)" + depends on I2C && INPUT + select INPUT_POLLDEV + default n + help + This driver provides support for the LIS3LV02Dx accelerometer connected + via I2C. The accelerometer data is readable via + /sys/devices/platform/lis3lv02d. + + This driver also provides an absolute input class device, allowing + the device to act as a pinball machine-esque joystick. + + This driver can also be built as modules. If so, the core module + will be called lis3lv02d and a specific module for the I2C transport + is called lis3lv02d_i2c. + config SENSORS_APPLESMC tristate "Apple SMC (Motion sensor, light sensor, keyboard backlight)" depends on INPUT && X86 diff --git a/drivers/hwmon/Makefile b/drivers/hwmon/Makefile index 33c2ee10528..450c8e89427 100644 --- a/drivers/hwmon/Makefile +++ b/drivers/hwmon/Makefile @@ -53,8 +53,10 @@ obj-$(CONFIG_SENSORS_IBMAEM) += ibmaem.o obj-$(CONFIG_SENSORS_IBMPEX) += ibmpex.o obj-$(CONFIG_SENSORS_IT87) += it87.o obj-$(CONFIG_SENSORS_K8TEMP) += k8temp.o +obj-$(CONFIG_SENSORS_K10TEMP) += k10temp.o obj-$(CONFIG_SENSORS_LIS3LV02D) += lis3lv02d.o hp_accel.o obj-$(CONFIG_SENSORS_LIS3_SPI) += lis3lv02d.o lis3lv02d_spi.o +obj-$(CONFIG_SENSORS_LIS3_I2C) += lis3lv02d.o lis3lv02d_i2c.o obj-$(CONFIG_SENSORS_LM63) += lm63.o obj-$(CONFIG_SENSORS_LM70) += lm70.o obj-$(CONFIG_SENSORS_LM73) += lm73.o @@ -87,6 +89,7 @@ obj-$(CONFIG_SENSORS_SMSC47M192)+= smsc47m192.o obj-$(CONFIG_SENSORS_THMC50) += thmc50.o obj-$(CONFIG_SENSORS_TMP401) += tmp401.o obj-$(CONFIG_SENSORS_TMP421) += tmp421.o +obj-$(CONFIG_SENSORS_VIA_CPUTEMP)+= via-cputemp.o obj-$(CONFIG_SENSORS_VIA686A) += via686a.o obj-$(CONFIG_SENSORS_VT1211) += vt1211.o obj-$(CONFIG_SENSORS_VT8231) += vt8231.o diff --git a/drivers/hwmon/k10temp.c b/drivers/hwmon/k10temp.c new file mode 100644 index 00000000000..d8a26d16d94 --- /dev/null +++ b/drivers/hwmon/k10temp.c @@ -0,0 +1,197 @@ +/* + * k10temp.c - AMD Family 10h/11h processor hardware monitoring + * + * Copyright (c) 2009 Clemens Ladisch <clemens@ladisch.de> + * + * + * This driver is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License; either + * version 2 of the License, or (at your option) any later version. + * + * This driver is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + * See the GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this driver; if not, see <http://www.gnu.org/licenses/>. + */ + +#include <linux/err.h> +#include <linux/hwmon.h> +#include <linux/hwmon-sysfs.h> +#include <linux/init.h> +#include <linux/module.h> +#include <linux/pci.h> +#include <asm/processor.h> + +MODULE_DESCRIPTION("AMD Family 10h/11h CPU core temperature monitor"); +MODULE_AUTHOR("Clemens Ladisch <clemens@ladisch.de>"); +MODULE_LICENSE("GPL"); + +static bool force; +module_param(force, bool, 0444); +MODULE_PARM_DESC(force, "force loading on processors with erratum 319"); + +#define REG_HARDWARE_THERMAL_CONTROL 0x64 +#define HTC_ENABLE 0x00000001 + +#define REG_REPORTED_TEMPERATURE 0xa4 + +#define REG_NORTHBRIDGE_CAPABILITIES 0xe8 +#define NB_CAP_HTC 0x00000400 + +static ssize_t show_temp(struct device *dev, + struct device_attribute *attr, char *buf) +{ + u32 regval; + + pci_read_config_dword(to_pci_dev(dev), + REG_REPORTED_TEMPERATURE, ®val); + return sprintf(buf, "%u\n", (regval >> 21) * 125); +} + +static ssize_t show_temp_max(struct device *dev, + struct device_attribute *attr, char *buf) +{ + return sprintf(buf, "%d\n", 70 * 1000); +} + +static ssize_t show_temp_crit(struct device *dev, + struct device_attribute *devattr, char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + int show_hyst = attr->index; + u32 regval; + int value; + + pci_read_config_dword(to_pci_dev(dev), + REG_HARDWARE_THERMAL_CONTROL, ®val); + value = ((regval >> 16) & 0x7f) * 500 + 52000; + if (show_hyst) + value -= ((regval >> 24) & 0xf) * 500; + return sprintf(buf, "%d\n", value); +} + +static ssize_t show_name(struct device *dev, + struct device_attribute *attr, char *buf) +{ + return sprintf(buf, "k10temp\n"); +} + +static DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL); +static DEVICE_ATTR(temp1_max, S_IRUGO, show_temp_max, NULL); +static SENSOR_DEVICE_ATTR(temp1_crit, S_IRUGO, show_temp_crit, NULL, 0); +static SENSOR_DEVICE_ATTR(temp1_crit_hyst, S_IRUGO, show_temp_crit, NULL, 1); +static DEVICE_ATTR(name, S_IRUGO, show_name, NULL); + +static bool __devinit has_erratum_319(void) +{ + /* + * Erratum 319: The thermal sensor of older Family 10h processors + * (B steppings) may be unreliable. + */ + return boot_cpu_data.x86 == 0x10 && boot_cpu_data.x86_model <= 2; +} + +static int __devinit k10temp_probe(struct pci_dev *pdev, + const struct pci_device_id *id) +{ + struct device *hwmon_dev; + u32 reg_caps, reg_htc; + int err; + + if (has_erratum_319() && !force) { + dev_err(&pdev->dev, + "unreliable CPU thermal sensor; monitoring disabled\n"); + err = -ENODEV; + goto exit; + } + + err = device_create_file(&pdev->dev, &dev_attr_temp1_input); + if (err) + goto exit; + err = device_create_file(&pdev->dev, &dev_attr_temp1_max); + if (err) + goto exit_remove; + + pci_read_config_dword(pdev, REG_NORTHBRIDGE_CAPABILITIES, ®_caps); + pci_read_config_dword(pdev, REG_HARDWARE_THERMAL_CONTROL, ®_htc); + if ((reg_caps & NB_CAP_HTC) && (reg_htc & HTC_ENABLE)) { + err = device_create_file(&pdev->dev, + &sensor_dev_attr_temp1_crit.dev_attr); + if (err) + goto exit_remove; + err = device_create_file(&pdev->dev, + &sensor_dev_attr_temp1_crit_hyst.dev_attr); + if (err) + goto exit_remove; + } + + err = device_create_file(&pdev->dev, &dev_attr_name); + if (err) + goto exit_remove; + + hwmon_dev = hwmon_device_register(&pdev->dev); + if (IS_ERR(hwmon_dev)) { + err = PTR_ERR(hwmon_dev); + goto exit_remove; + } + dev_set_drvdata(&pdev->dev, hwmon_dev); + + if (has_erratum_319() && force) + dev_warn(&pdev->dev, + "unreliable CPU thermal sensor; check erratum 319\n"); + return 0; + +exit_remove: + device_remove_file(&pdev->dev, &dev_attr_name); + device_remove_file(&pdev->dev, &dev_attr_temp1_input); + device_remove_file(&pdev->dev, &dev_attr_temp1_max); + device_remove_file(&pdev->dev, + &sensor_dev_attr_temp1_crit.dev_attr); + device_remove_file(&pdev->dev, + &sensor_dev_attr_temp1_crit_hyst.dev_attr); +exit: + return err; +} + +static void __devexit k10temp_remove(struct pci_dev *pdev) +{ + hwmon_device_unregister(dev_get_drvdata(&pdev->dev)); + device_remove_file(&pdev->dev, &dev_attr_name); + device_remove_file(&pdev->dev, &dev_attr_temp1_input); + device_remove_file(&pdev->dev, &dev_attr_temp1_max); + device_remove_file(&pdev->dev, + &sensor_dev_attr_temp1_crit.dev_attr); + device_remove_file(&pdev->dev, + &sensor_dev_attr_temp1_crit_hyst.dev_attr); + dev_set_drvdata(&pdev->dev, NULL); +} + +static struct pci_device_id k10temp_id_table[] = { + { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_10H_NB_MISC) }, + { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_11H_NB_MISC) }, + {} +}; +MODULE_DEVICE_TABLE(pci, k10temp_id_table); + +static struct pci_driver k10temp_driver = { + .name = "k10temp", + .id_table = k10temp_id_table, + .probe = k10temp_probe, + .remove = __devexit_p(k10temp_remove), +}; + +static int __init k10temp_init(void) +{ + return pci_register_driver(&k10temp_driver); +} + +static void __exit k10temp_exit(void) +{ + pci_unregister_driver(&k10temp_driver); +} + +module_init(k10temp_init) +module_exit(k10temp_exit) diff --git a/drivers/hwmon/lis3lv02d_i2c.c b/drivers/hwmon/lis3lv02d_i2c.c new file mode 100644 index 00000000000..dc1f5402c1d --- /dev/null +++ b/drivers/hwmon/lis3lv02d_i2c.c @@ -0,0 +1,183 @@ +/* + * drivers/hwmon/lis3lv02d_i2c.c + * + * Implements I2C interface for lis3lv02d (STMicroelectronics) accelerometer. + * Driver is based on corresponding SPI driver written by Daniel Mack + * (lis3lv02d_spi.c (C) 2009 Daniel Mack <daniel@caiaq.de> ). + * + * Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). + * + * Contact: Samu Onkalo <samu.p.onkalo@nokia.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/err.h> +#include <linux/i2c.h> +#include "lis3lv02d.h" + +#define DRV_NAME "lis3lv02d_i2c" + +static inline s32 lis3_i2c_write(struct lis3lv02d *lis3, int reg, u8 value) +{ + struct i2c_client *c = lis3->bus_priv; + return i2c_smbus_write_byte_data(c, reg, value); +} + +static inline s32 lis3_i2c_read(struct lis3lv02d *lis3, int reg, u8 *v) +{ + struct i2c_client *c = lis3->bus_priv; + *v = i2c_smbus_read_byte_data(c, reg); + return 0; +} + +static int lis3_i2c_init(struct lis3lv02d *lis3) +{ + u8 reg; + int ret; + + /* power up the device */ + ret = lis3->read(lis3, CTRL_REG1, ®); + if (ret < 0) + return ret; + + reg |= CTRL1_PD0; + return lis3->write(lis3, CTRL_REG1, reg); +} + +/* Default axis mapping but it can be overwritten by platform data */ +static struct axis_conversion lis3lv02d_axis_map = { LIS3_DEV_X, + LIS3_DEV_Y, + LIS3_DEV_Z }; + +static int __devinit lis3lv02d_i2c_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + int ret = 0; + struct lis3lv02d_platform_data *pdata = client->dev.platform_data; + + if (pdata) { + if (pdata->axis_x) + lis3lv02d_axis_map.x = pdata->axis_x; + + if (pdata->axis_y) + lis3lv02d_axis_map.y = pdata->axis_y; + + if (pdata->axis_z) + lis3lv02d_axis_map.z = pdata->axis_z; + + if (pdata->setup_resources) + ret = pdata->setup_resources(); + + if (ret) + goto fail; + } + + lis3_dev.pdata = pdata; + lis3_dev.bus_priv = client; + lis3_dev.init = lis3_i2c_init; + lis3_dev.read = lis3_i2c_read; + lis3_dev.write = lis3_i2c_write; + lis3_dev.irq = client->irq; + lis3_dev.ac = lis3lv02d_axis_map; + + i2c_set_clientdata(client, &lis3_dev); + ret = lis3lv02d_init_device(&lis3_dev); +fail: + return ret; +} + +static int __devexit lis3lv02d_i2c_remove(struct i2c_client *client) +{ + struct lis3lv02d *lis3 = i2c_get_clientdata(client); + struct lis3lv02d_platform_data *pdata = client->dev.platform_data; + + if (pdata && pdata->release_resources) + pdata->release_resources(); + + lis3lv02d_joystick_disable(); + lis3lv02d_poweroff(lis3); + + return lis3lv02d_remove_fs(&lis3_dev); +} + +#ifdef CONFIG_PM +static int lis3lv02d_i2c_suspend(struct i2c_client *client, pm_message_t mesg) +{ + struct lis3lv02d *lis3 = i2c_get_clientdata(client); + + if (!lis3->pdata->wakeup_flags) + lis3lv02d_poweroff(lis3); + return 0; +} + +static int lis3lv02d_i2c_resume(struct i2c_client *client) +{ + struct lis3lv02d *lis3 = i2c_get_clientdata(client); + + if (!lis3->pdata->wakeup_flags) + lis3lv02d_poweron(lis3); + return 0; +} + +static void lis3lv02d_i2c_shutdown(struct i2c_client *client) +{ + lis3lv02d_i2c_suspend(client, PMSG_SUSPEND); +} +#else +#define lis3lv02d_i2c_suspend NULL +#define lis3lv02d_i2c_resume NULL +#define lis3lv02d_i2c_shutdown NULL +#endif + +static const struct i2c_device_id lis3lv02d_id[] = { + {"lis3lv02d", 0 }, + {} +}; + +MODULE_DEVICE_TABLE(i2c, lis3lv02d_id); + +static struct i2c_driver lis3lv02d_i2c_driver = { + .driver = { + .name = DRV_NAME, + .owner = THIS_MODULE, + }, + .suspend = lis3lv02d_i2c_suspend, + .shutdown = lis3lv02d_i2c_shutdown, + .resume = lis3lv02d_i2c_resume, + .probe = lis3lv02d_i2c_probe, + .remove = __devexit_p(lis3lv02d_i2c_remove), + .id_table = lis3lv02d_id, +}; + +static int __init lis3lv02d_init(void) +{ + return i2c_add_driver(&lis3lv02d_i2c_driver); +} + +static void __exit lis3lv02d_exit(void) +{ + i2c_del_driver(&lis3lv02d_i2c_driver); +} + +MODULE_AUTHOR("Nokia Corporation"); +MODULE_DESCRIPTION("lis3lv02d I2C interface"); +MODULE_LICENSE("GPL"); + +module_init(lis3lv02d_init); +module_exit(lis3lv02d_exit); diff --git a/drivers/hwmon/sht15.c b/drivers/hwmon/sht15.c index ebe38b680ee..864a371f6eb 100644 --- a/drivers/hwmon/sht15.c +++ b/drivers/hwmon/sht15.c @@ -305,7 +305,7 @@ static inline int sht15_calc_temp(struct sht15_data *data) int d1 = 0; int i; - for (i = 1; i < ARRAY_SIZE(temppoints) - 1; i++) + for (i = 1; i < ARRAY_SIZE(temppoints); i++) /* Find pointer to interpolate */ if (data->supply_uV > temppoints[i - 1].vdd) { d1 = (data->supply_uV/1000 - temppoints[i - 1].vdd) @@ -332,12 +332,12 @@ static inline int sht15_calc_humid(struct sht15_data *data) const int c1 = -4; const int c2 = 40500; /* x 10 ^ -6 */ - const int c3 = 2800; /* x10 ^ -9 */ + const int c3 = -2800; /* x10 ^ -9 */ RHlinear = c1*1000 + c2 * data->val_humid/1000 + (data->val_humid * data->val_humid * c3)/1000000; - return (temp - 25000) * (10000 + 800 * data->val_humid) + return (temp - 25000) * (10000 + 80 * data->val_humid) / 1000000 + RHlinear; } diff --git a/drivers/hwmon/smsc47m1.c b/drivers/hwmon/smsc47m1.c index 8ad50fdba00..9ca97818bd4 100644 --- a/drivers/hwmon/smsc47m1.c +++ b/drivers/hwmon/smsc47m1.c @@ -136,11 +136,11 @@ struct smsc47m1_data { struct smsc47m1_sio_data { enum chips type; + u8 activate; /* Remember initial device state */ }; -static int smsc47m1_probe(struct platform_device *pdev); -static int __devexit smsc47m1_remove(struct platform_device *pdev); +static int __exit smsc47m1_remove(struct platform_device *pdev); static struct smsc47m1_data *smsc47m1_update_device(struct device *dev, int init); @@ -160,8 +160,7 @@ static struct platform_driver smsc47m1_driver = { .owner = THIS_MODULE, .name = DRVNAME, }, - .probe = smsc47m1_probe, - .remove = __devexit_p(smsc47m1_remove), + .remove = __exit_p(smsc47m1_remove), }; static ssize_t get_fan(struct device *dev, struct device_attribute @@ -470,24 +469,126 @@ static int __init smsc47m1_find(unsigned short *addr, superio_select(); *addr = (superio_inb(SUPERIO_REG_BASE) << 8) | superio_inb(SUPERIO_REG_BASE + 1); - val = superio_inb(SUPERIO_REG_ACT); - if (*addr == 0 || (val & 0x01) == 0) { - pr_info(DRVNAME ": Device is disabled, will not use\n"); + if (*addr == 0) { + pr_info(DRVNAME ": Device address not set, will not use\n"); superio_exit(); return -ENODEV; } + /* Enable only if address is set (needed at least on the + * Compaq Presario S4000NX) */ + sio_data->activate = superio_inb(SUPERIO_REG_ACT); + if ((sio_data->activate & 0x01) == 0) { + pr_info(DRVNAME ": Enabling device\n"); + superio_outb(SUPERIO_REG_ACT, sio_data->activate | 0x01); + } + superio_exit(); return 0; } -static int __devinit smsc47m1_probe(struct platform_device *pdev) +/* Restore device to its initial state */ +static void __init smsc47m1_restore(const struct smsc47m1_sio_data *sio_data) +{ + if ((sio_data->activate & 0x01) == 0) { + superio_enter(); + superio_select(); + + pr_info(DRVNAME ": Disabling device\n"); + superio_outb(SUPERIO_REG_ACT, sio_data->activate); + + superio_exit(); + } +} + +#define CHECK 1 +#define REQUEST 2 +#define RELEASE 3 + +/* + * This function can be used to: + * - test for resource conflicts with ACPI + * - request the resources + * - release the resources + * We only allocate the I/O ports we really need, to minimize the risk of + * conflicts with ACPI or with other drivers. + */ +static int smsc47m1_handle_resources(unsigned short address, enum chips type, + int action, struct device *dev) +{ + static const u8 ports_m1[] = { + /* register, region length */ + 0x04, 1, + 0x33, 4, + 0x56, 7, + }; + + static const u8 ports_m2[] = { + /* register, region length */ + 0x04, 1, + 0x09, 1, + 0x2c, 2, + 0x35, 4, + 0x56, 7, + 0x69, 4, + }; + + int i, ports_size, err; + const u8 *ports; + + switch (type) { + case smsc47m1: + default: + ports = ports_m1; + ports_size = ARRAY_SIZE(ports_m1); + break; + case smsc47m2: + ports = ports_m2; + ports_size = ARRAY_SIZE(ports_m2); + break; + } + + for (i = 0; i + 1 < ports_size; i += 2) { + unsigned short start = address + ports[i]; + unsigned short len = ports[i + 1]; + + switch (action) { + case CHECK: + /* Only check for conflicts */ + err = acpi_check_region(start, len, DRVNAME); + if (err) + return err; + break; + case REQUEST: + /* Request the resources */ + if (!request_region(start, len, DRVNAME)) { + dev_err(dev, "Region 0x%hx-0x%hx already in " + "use!\n", start, start + len); + + /* Undo all requests */ + for (i -= 2; i >= 0; i -= 2) + release_region(address + ports[i], + ports[i + 1]); + return -EBUSY; + } + break; + case RELEASE: + /* Release the resources */ + release_region(start, len); + break; + } + } + + return 0; +} + +static int __init smsc47m1_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct smsc47m1_sio_data *sio_data = dev->platform_data; struct smsc47m1_data *data; struct resource *res; - int err = 0; + int err; int fan1, fan2, fan3, pwm1, pwm2, pwm3; static const char *names[] = { @@ -496,12 +597,10 @@ static int __devinit smsc47m1_probe(struct platform_device *pdev) }; res = platform_get_resource(pdev, IORESOURCE_IO, 0); - if (!request_region(res->start, SMSC_EXTENT, DRVNAME)) { - dev_err(dev, "Region 0x%lx-0x%lx already in use!\n", - (unsigned long)res->start, - (unsigned long)res->end); - return -EBUSY; - } + err = smsc47m1_handle_resources(res->start, sio_data->type, + REQUEST, dev); + if (err < 0) + return err; if (!(data = kzalloc(sizeof(struct smsc47m1_data), GFP_KERNEL))) { err = -ENOMEM; @@ -637,11 +736,11 @@ error_free: platform_set_drvdata(pdev, NULL); kfree(data); error_release: - release_region(res->start, SMSC_EXTENT); + smsc47m1_handle_resources(res->start, sio_data->type, RELEASE, dev); return err; } -static int __devexit smsc47m1_remove(struct platform_device *pdev) +static int __exit smsc47m1_remove(struct platform_device *pdev) { struct smsc47m1_data *data = platform_get_drvdata(pdev); struct resource *res; @@ -650,7 +749,7 @@ static int __devexit smsc47m1_remove(struct platform_device *pdev) sysfs_remove_group(&pdev->dev.kobj, &smsc47m1_group); res = platform_get_resource(pdev, IORESOURCE_IO, 0); - release_region(res->start, SMSC_EXTENT); + smsc47m1_handle_resources(res->start, data->type, RELEASE, &pdev->dev); platform_set_drvdata(pdev, NULL); kfree(data); @@ -717,7 +816,7 @@ static int __init smsc47m1_device_add(unsigned short address, }; int err; - err = acpi_check_resource_conflict(&res); + err = smsc47m1_handle_resources(address, sio_data->type, CHECK, NULL); if (err) goto exit; @@ -766,27 +865,29 @@ static int __init sm_smsc47m1_init(void) if (smsc47m1_find(&address, &sio_data)) return -ENODEV; - err = platform_driver_register(&smsc47m1_driver); + /* Sets global pdev as a side effect */ + err = smsc47m1_device_add(address, &sio_data); if (err) goto exit; - /* Sets global pdev as a side effect */ - err = smsc47m1_device_add(address, &sio_data); + err = platform_driver_probe(&smsc47m1_driver, smsc47m1_probe); if (err) - goto exit_driver; + goto exit_device; return 0; -exit_driver: - platform_driver_unregister(&smsc47m1_driver); +exit_device: + platform_device_unregister(pdev); + smsc47m1_restore(&sio_data); exit: return err; } static void __exit sm_smsc47m1_exit(void) { - platform_device_unregister(pdev); platform_driver_unregister(&smsc47m1_driver); + smsc47m1_restore(pdev->dev.platform_data); + platform_device_unregister(pdev); } MODULE_AUTHOR("Mark D. Studebaker <mdsxyz123@yahoo.com>"); diff --git a/drivers/hwmon/via-cputemp.c b/drivers/hwmon/via-cputemp.c new file mode 100644 index 00000000000..7442cf75485 --- /dev/null +++ b/drivers/hwmon/via-cputemp.c @@ -0,0 +1,356 @@ +/* + * via-cputemp.c - Driver for VIA CPU core temperature monitoring + * Copyright (C) 2009 VIA Technologies, Inc. + * + * based on existing coretemp.c, which is + * + * Copyright (C) 2007 Rudolf Marek <r.marek@assembler.cz> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + * 02110-1301 USA. + */ + +#include <linux/module.h> +#include <linux/delay.h> +#include <linux/init.h> +#include <linux/slab.h> +#include <linux/jiffies.h> +#include <linux/hwmon.h> +#include <linux/sysfs.h> +#include <linux/hwmon-sysfs.h> +#include <linux/err.h> +#include <linux/mutex.h> +#include <linux/list.h> +#include <linux/platform_device.h> +#include <linux/cpu.h> +#include <asm/msr.h> +#include <asm/processor.h> + +#define DRVNAME "via_cputemp" + +enum { SHOW_TEMP, SHOW_LABEL, SHOW_NAME } SHOW; + +/* + * Functions declaration + */ + +struct via_cputemp_data { + struct device *hwmon_dev; + const char *name; + u32 id; + u32 msr; +}; + +/* + * Sysfs stuff + */ + +static ssize_t show_name(struct device *dev, struct device_attribute + *devattr, char *buf) +{ + int ret; + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct via_cputemp_data *data = dev_get_drvdata(dev); + + if (attr->index == SHOW_NAME) + ret = sprintf(buf, "%s\n", data->name); + else /* show label */ + ret = sprintf(buf, "Core %d\n", data->id); + return ret; +} + +static ssize_t show_temp(struct device *dev, + struct device_attribute *devattr, char *buf) +{ + struct via_cputemp_data *data = dev_get_drvdata(dev); + u32 eax, edx; + int err; + + err = rdmsr_safe_on_cpu(data->id, data->msr, &eax, &edx); + if (err) + return -EAGAIN; + + return sprintf(buf, "%lu\n", ((unsigned long)eax & 0xffffff) * 1000); +} + +static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL, + SHOW_TEMP); +static SENSOR_DEVICE_ATTR(temp1_label, S_IRUGO, show_name, NULL, SHOW_LABEL); +static SENSOR_DEVICE_ATTR(name, S_IRUGO, show_name, NULL, SHOW_NAME); + +static struct attribute *via_cputemp_attributes[] = { + &sensor_dev_attr_name.dev_attr.attr, + &sensor_dev_attr_temp1_label.dev_attr.attr, + &sensor_dev_attr_temp1_input.dev_attr.attr, + NULL +}; + +static const struct attribute_group via_cputemp_group = { + .attrs = via_cputemp_attributes, +}; + +static int __devinit via_cputemp_probe(struct platform_device *pdev) +{ + struct via_cputemp_data *data; + struct cpuinfo_x86 *c = &cpu_data(pdev->id); + int err; + u32 eax, edx; + + data = kzalloc(sizeof(struct via_cputemp_data), GFP_KERNEL); + if (!data) { + err = -ENOMEM; + dev_err(&pdev->dev, "Out of memory\n"); + goto exit; + } + + data->id = pdev->id; + data->name = "via_cputemp"; + + switch (c->x86_model) { + case 0xA: + /* C7 A */ + case 0xD: + /* C7 D */ + data->msr = 0x1169; + break; + case 0xF: + /* Nano */ + data->msr = 0x1423; + break; + default: + err = -ENODEV; + goto exit_free; + } + + /* test if we can access the TEMPERATURE MSR */ + err = rdmsr_safe_on_cpu(data->id, data->msr, &eax, &edx); + if (err) { + dev_err(&pdev->dev, + "Unable to access TEMPERATURE MSR, giving up\n"); + goto exit_free; + } + + platform_set_drvdata(pdev, data); + + err = sysfs_create_group(&pdev->dev.kobj, &via_cputemp_group); + if (err) + goto exit_free; + + data->hwmon_dev = hwmon_device_register(&pdev->dev); + if (IS_ERR(data->hwmon_dev)) { + err = PTR_ERR(data->hwmon_dev); + dev_err(&pdev->dev, "Class registration failed (%d)\n", + err); + goto exit_remove; + } + + return 0; + +exit_remove: + sysfs_remove_group(&pdev->dev.kobj, &via_cputemp_group); +exit_free: + platform_set_drvdata(pdev, NULL); + kfree(data); +exit: + return err; +} + +static int __devexit via_cputemp_remove(struct platform_device *pdev) +{ + struct via_cputemp_data *data = platform_get_drvdata(pdev); + + hwmon_device_unregister(data->hwmon_dev); + sysfs_remove_group(&pdev->dev.kobj, &via_cputemp_group); + platform_set_drvdata(pdev, NULL); + kfree(data); + return 0; +} + +static struct platform_driver via_cputemp_driver = { + .driver = { + .owner = THIS_MODULE, + .name = DRVNAME, + }, + .probe = via_cputemp_probe, + .remove = __devexit_p(via_cputemp_remove), +}; + +struct pdev_entry { + struct list_head list; + struct platform_device *pdev; + unsigned int cpu; +}; + +static LIST_HEAD(pdev_list); +static DEFINE_MUTEX(pdev_list_mutex); + +static int __cpuinit via_cputemp_device_add(unsigned int cpu) +{ + int err; + struct platform_device *pdev; + struct pdev_entry *pdev_entry; + + pdev = platform_device_alloc(DRVNAME, cpu); + if (!pdev) { + err = -ENOMEM; + printk(KERN_ERR DRVNAME ": Device allocation failed\n"); + goto exit; + } + + pdev_entry = kzalloc(sizeof(struct pdev_entry), GFP_KERNEL); + if (!pdev_entry) { + err = -ENOMEM; + goto exit_device_put; + } + + err = platform_device_add(pdev); + if (err) { + printk(KERN_ERR DRVNAME ": Device addition failed (%d)\n", + err); + goto exit_device_free; + } + + pdev_entry->pdev = pdev; + pdev_entry->cpu = cpu; + mutex_lock(&pdev_list_mutex); + list_add_tail(&pdev_entry->list, &pdev_list); + mutex_unlock(&pdev_list_mutex); + + return 0; + +exit_device_free: + kfree(pdev_entry); +exit_device_put: + platform_device_put(pdev); +exit: + return err; +} + +#ifdef CONFIG_HOTPLUG_CPU +static void via_cputemp_device_remove(unsigned int cpu) +{ + struct pdev_entry *p, *n; + mutex_lock(&pdev_list_mutex); + list_for_each_entry_safe(p, n, &pdev_list, list) { + if (p->cpu == cpu) { + platform_device_unregister(p->pdev); + list_del(&p->list); + kfree(p); + } + } + mutex_unlock(&pdev_list_mutex); +} + +static int __cpuinit via_cputemp_cpu_callback(struct notifier_block *nfb, + unsigned long action, void *hcpu) +{ + unsigned int cpu = (unsigned long) hcpu; + + switch (action) { + case CPU_ONLINE: + case CPU_DOWN_FAILED: + via_cputemp_device_add(cpu); + break; + case CPU_DOWN_PREPARE: + via_cputemp_device_remove(cpu); + break; + } + return NOTIFY_OK; +} + +static struct notifier_block via_cputemp_cpu_notifier __refdata = { + .notifier_call = via_cputemp_cpu_callback, +}; +#endif /* !CONFIG_HOTPLUG_CPU */ + +static int __init via_cputemp_init(void) +{ + int i, err; + struct pdev_entry *p, *n; + + if (cpu_data(0).x86_vendor != X86_VENDOR_CENTAUR) { + printk(KERN_DEBUG DRVNAME ": Not a VIA CPU\n"); + err = -ENODEV; + goto exit; + } + + err = platform_driver_register(&via_cputemp_driver); + if (err) + goto exit; + + for_each_online_cpu(i) { + struct cpuinfo_x86 *c = &cpu_data(i); + + if (c->x86 != 6) + continue; + + if (c->x86_model < 0x0a) + continue; + + if (c->x86_model > 0x0f) { + printk(KERN_WARNING DRVNAME ": Unknown CPU " + "model 0x%x\n", c->x86_model); + continue; + } + + err = via_cputemp_device_add(i); + if (err) + goto exit_devices_unreg; + } + if (list_empty(&pdev_list)) { + err = -ENODEV; + goto exit_driver_unreg; + } + +#ifdef CONFIG_HOTPLUG_CPU + register_hotcpu_notifier(&via_cputemp_cpu_notifier); +#endif + return 0; + +exit_devices_unreg: + mutex_lock(&pdev_list_mutex); + list_for_each_entry_safe(p, n, &pdev_list, list) { + platform_device_unregister(p->pdev); + list_del(&p->list); + kfree(p); + } + mutex_unlock(&pdev_list_mutex); +exit_driver_unreg: + platform_driver_unregister(&via_cputemp_driver); +exit: + return err; +} + +static void __exit via_cputemp_exit(void) +{ + struct pdev_entry *p, *n; +#ifdef CONFIG_HOTPLUG_CPU + unregister_hotcpu_notifier(&via_cputemp_cpu_notifier); +#endif + mutex_lock(&pdev_list_mutex); + list_for_each_entry_safe(p, n, &pdev_list, list) { + platform_device_unregister(p->pdev); + list_del(&p->list); + kfree(p); + } + mutex_unlock(&pdev_list_mutex); + platform_driver_unregister(&via_cputemp_driver); +} + +MODULE_AUTHOR("Harald Welte <HaraldWelte@viatech.com>"); +MODULE_DESCRIPTION("VIA CPU temperature monitor"); +MODULE_LICENSE("GPL"); + +module_init(via_cputemp_init) +module_exit(via_cputemp_exit) diff --git a/drivers/hwmon/w83627hf.c b/drivers/hwmon/w83627hf.c index b257c722373..38e28052307 100644 --- a/drivers/hwmon/w83627hf.c +++ b/drivers/hwmon/w83627hf.c @@ -1135,6 +1135,7 @@ static int __init w83627hf_find(int sioaddr, unsigned short *addr, "W83687THF", }; + sio_data->sioaddr = sioaddr; superio_enter(sio_data); val = force_id ? force_id : superio_inb(sio_data, DEVID); switch (val) { @@ -1177,7 +1178,6 @@ static int __init w83627hf_find(int sioaddr, unsigned short *addr, } err = 0; - sio_data->sioaddr = sioaddr; pr_info(DRVNAME ": Found %s chip at %#x\n", names[sio_data->type], *addr); diff --git a/drivers/idle/i7300_idle.c b/drivers/idle/i7300_idle.c index 1f20a042a4f..dd253002cd5 100644 --- a/drivers/idle/i7300_idle.c +++ b/drivers/idle/i7300_idle.c @@ -81,7 +81,7 @@ static u8 i7300_idle_thrtctl_saved; static u8 i7300_idle_thrtlow_saved; static u32 i7300_idle_mc_saved; -static cpumask_t idle_cpumask; +static cpumask_var_t idle_cpumask; static ktime_t start_ktime; static unsigned long avg_idle_us; @@ -459,9 +459,9 @@ static int i7300_idle_notifier(struct notifier_block *nb, unsigned long val, spin_lock_irqsave(&i7300_idle_lock, flags); if (val == IDLE_START) { - cpu_set(smp_processor_id(), idle_cpumask); + cpumask_set_cpu(smp_processor_id(), idle_cpumask); - if (cpus_weight(idle_cpumask) != num_online_cpus()) + if (cpumask_weight(idle_cpumask) != num_online_cpus()) goto end; now_ktime = ktime_get(); @@ -478,8 +478,8 @@ static int i7300_idle_notifier(struct notifier_block *nb, unsigned long val, i7300_idle_ioat_start(); } else if (val == IDLE_END) { - cpu_clear(smp_processor_id(), idle_cpumask); - if (cpus_weight(idle_cpumask) == (num_online_cpus() - 1)) { + cpumask_clear_cpu(smp_processor_id(), idle_cpumask); + if (cpumask_weight(idle_cpumask) == (num_online_cpus() - 1)) { /* First CPU coming out of idle */ u64 idle_duration_us; @@ -553,7 +553,6 @@ struct debugfs_file_info { static int __init i7300_idle_init(void) { spin_lock_init(&i7300_idle_lock); - cpus_clear(idle_cpumask); total_us = 0; if (i7300_idle_platform_probe(&fbd_dev, &ioat_dev, forceload)) @@ -565,6 +564,9 @@ static int __init i7300_idle_init(void) if (i7300_idle_ioat_init()) return -ENODEV; + if (!zalloc_cpumask_var(&idle_cpumask, GFP_KERNEL)) + return -ENOMEM; + debugfs_dir = debugfs_create_dir("i7300_idle", NULL); if (debugfs_dir) { int i = 0; @@ -589,6 +591,7 @@ static int __init i7300_idle_init(void) static void __exit i7300_idle_exit(void) { idle_notifier_unregister(&i7300_idle_nb); + free_cpumask_var(idle_cpumask); if (debugfs_dir) { int i = 0; diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig index e4f599f20e3..8a0e1ec95e4 100644 --- a/drivers/leds/Kconfig +++ b/drivers/leds/Kconfig @@ -229,6 +229,12 @@ config LEDS_PWM help This option enables support for pwm driven LEDs +config LEDS_REGULATOR + tristate "REGULATOR driven LED support" + depends on LEDS_CLASS && REGULATOR + help + This option enables support for regulator driven LEDs. + config LEDS_BD2802 tristate "LED driver for BD2802 RGB LED" depends on LEDS_CLASS && I2C @@ -236,6 +242,33 @@ config LEDS_BD2802 This option enables support for BD2802GU RGB LED driver chips accessed via the I2C bus. +config LEDS_INTEL_SS4200 + tristate "LED driver for Intel NAS SS4200 series" + depends on LEDS_CLASS && PCI && DMI + help + This option enables support for the Intel SS4200 series of + Network Attached Storage servers. You may control the hard + drive or power LEDs on the front panel. Using this driver + can stop the front LED from blinking after startup. + +config LEDS_LT3593 + tristate "LED driver for LT3593 controllers" + depends on LEDS_CLASS && GENERIC_GPIO + help + This option enables support for LEDs driven by a Linear Technology + LT3593 controller. This controller uses a special one-wire pulse + coding protocol to set the brightness. + +config LEDS_ADP5520 + tristate "LED Support for ADP5520/ADP5501 PMIC" + depends on LEDS_CLASS && PMIC_ADP5520 + help + This option enables support for on-chip LED drivers found + on Analog Devices ADP5520/ADP5501 PMICs. + + To compile this driver as a module, choose M here: the module will + be called leds-adp5520. + comment "LED Triggers" config LEDS_TRIGGERS diff --git a/drivers/leds/Makefile b/drivers/leds/Makefile index 46d72704d60..9e63869d7c0 100644 --- a/drivers/leds/Makefile +++ b/drivers/leds/Makefile @@ -29,6 +29,10 @@ obj-$(CONFIG_LEDS_DA903X) += leds-da903x.o obj-$(CONFIG_LEDS_WM831X_STATUS) += leds-wm831x-status.o obj-$(CONFIG_LEDS_WM8350) += leds-wm8350.o obj-$(CONFIG_LEDS_PWM) += leds-pwm.o +obj-$(CONFIG_LEDS_REGULATOR) += leds-regulator.o +obj-$(CONFIG_LEDS_INTEL_SS4200) += leds-ss4200.o +obj-$(CONFIG_LEDS_LT3593) += leds-lt3593.o +obj-$(CONFIG_LEDS_ADP5520) += leds-adp5520.o # LED SPI Drivers obj-$(CONFIG_LEDS_DAC124S085) += leds-dac124s085.o diff --git a/drivers/leds/leds-adp5520.c b/drivers/leds/leds-adp5520.c new file mode 100644 index 00000000000..a8f31590213 --- /dev/null +++ b/drivers/leds/leds-adp5520.c @@ -0,0 +1,230 @@ +/* + * LEDs driver for Analog Devices ADP5520/ADP5501 MFD PMICs + * + * Copyright 2009 Analog Devices Inc. + * + * Loosely derived from leds-da903x: + * Copyright (C) 2008 Compulab, Ltd. + * Mike Rapoport <mike@compulab.co.il> + * + * Copyright (C) 2006-2008 Marvell International Ltd. + * Eric Miao <eric.miao@marvell.com> + * + * Licensed under the GPL-2 or later. + */ + +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/leds.h> +#include <linux/workqueue.h> +#include <linux/mfd/adp5520.h> + +struct adp5520_led { + struct led_classdev cdev; + struct work_struct work; + struct device *master; + enum led_brightness new_brightness; + int id; + int flags; +}; + +static void adp5520_led_work(struct work_struct *work) +{ + struct adp5520_led *led = container_of(work, struct adp5520_led, work); + adp5520_write(led->master, ADP5520_LED1_CURRENT + led->id - 1, + led->new_brightness >> 2); +} + +static void adp5520_led_set(struct led_classdev *led_cdev, + enum led_brightness value) +{ + struct adp5520_led *led; + + led = container_of(led_cdev, struct adp5520_led, cdev); + led->new_brightness = value; + schedule_work(&led->work); +} + +static int adp5520_led_setup(struct adp5520_led *led) +{ + struct device *dev = led->master; + int flags = led->flags; + int ret = 0; + + switch (led->id) { + case FLAG_ID_ADP5520_LED1_ADP5501_LED0: + ret |= adp5520_set_bits(dev, ADP5520_LED_TIME, + (flags >> ADP5520_FLAG_OFFT_SHIFT) & + ADP5520_FLAG_OFFT_MASK); + ret |= adp5520_set_bits(dev, ADP5520_LED_CONTROL, + ADP5520_LED1_EN); + break; + case FLAG_ID_ADP5520_LED2_ADP5501_LED1: + ret |= adp5520_set_bits(dev, ADP5520_LED_TIME, + ((flags >> ADP5520_FLAG_OFFT_SHIFT) & + ADP5520_FLAG_OFFT_MASK) << 2); + ret |= adp5520_clr_bits(dev, ADP5520_LED_CONTROL, + ADP5520_R3_MODE); + ret |= adp5520_set_bits(dev, ADP5520_LED_CONTROL, + ADP5520_LED2_EN); + break; + case FLAG_ID_ADP5520_LED3_ADP5501_LED2: + ret |= adp5520_set_bits(dev, ADP5520_LED_TIME, + ((flags >> ADP5520_FLAG_OFFT_SHIFT) & + ADP5520_FLAG_OFFT_MASK) << 4); + ret |= adp5520_clr_bits(dev, ADP5520_LED_CONTROL, + ADP5520_C3_MODE); + ret |= adp5520_set_bits(dev, ADP5520_LED_CONTROL, + ADP5520_LED3_EN); + break; + } + + return ret; +} + +static int __devinit adp5520_led_prepare(struct platform_device *pdev) +{ + struct adp5520_leds_platform_data *pdata = pdev->dev.platform_data; + struct device *dev = pdev->dev.parent; + int ret = 0; + + ret |= adp5520_write(dev, ADP5520_LED1_CURRENT, 0); + ret |= adp5520_write(dev, ADP5520_LED2_CURRENT, 0); + ret |= adp5520_write(dev, ADP5520_LED3_CURRENT, 0); + ret |= adp5520_write(dev, ADP5520_LED_TIME, pdata->led_on_time << 6); + ret |= adp5520_write(dev, ADP5520_LED_FADE, FADE_VAL(pdata->fade_in, + pdata->fade_out)); + + return ret; +} + +static int __devinit adp5520_led_probe(struct platform_device *pdev) +{ + struct adp5520_leds_platform_data *pdata = pdev->dev.platform_data; + struct adp5520_led *led, *led_dat; + struct led_info *cur_led; + int ret, i; + + if (pdata == NULL) { + dev_err(&pdev->dev, "missing platform data\n"); + return -ENODEV; + } + + if (pdata->num_leds > ADP5520_01_MAXLEDS) { + dev_err(&pdev->dev, "can't handle more than %d LEDS\n", + ADP5520_01_MAXLEDS); + return -EFAULT; + } + + led = kzalloc(sizeof(*led) * pdata->num_leds, GFP_KERNEL); + if (led == NULL) { + dev_err(&pdev->dev, "failed to alloc memory\n"); + return -ENOMEM; + } + + ret = adp5520_led_prepare(pdev); + + if (ret) { + dev_err(&pdev->dev, "failed to write\n"); + goto err_free; + } + + for (i = 0; i < pdata->num_leds; ++i) { + cur_led = &pdata->leds[i]; + led_dat = &led[i]; + + led_dat->cdev.name = cur_led->name; + led_dat->cdev.default_trigger = cur_led->default_trigger; + led_dat->cdev.brightness_set = adp5520_led_set; + led_dat->cdev.brightness = LED_OFF; + + if (cur_led->flags & ADP5520_FLAG_LED_MASK) + led_dat->flags = cur_led->flags; + else + led_dat->flags = i + 1; + + led_dat->id = led_dat->flags & ADP5520_FLAG_LED_MASK; + + led_dat->master = pdev->dev.parent; + led_dat->new_brightness = LED_OFF; + + INIT_WORK(&led_dat->work, adp5520_led_work); + + ret = led_classdev_register(led_dat->master, &led_dat->cdev); + if (ret) { + dev_err(&pdev->dev, "failed to register LED %d\n", + led_dat->id); + goto err; + } + + ret = adp5520_led_setup(led_dat); + if (ret) { + dev_err(&pdev->dev, "failed to write\n"); + i++; + goto err; + } + } + + platform_set_drvdata(pdev, led); + return 0; + +err: + if (i > 0) { + for (i = i - 1; i >= 0; i--) { + led_classdev_unregister(&led[i].cdev); + cancel_work_sync(&led[i].work); + } + } + +err_free: + kfree(led); + return ret; +} + +static int __devexit adp5520_led_remove(struct platform_device *pdev) +{ + struct adp5520_leds_platform_data *pdata = pdev->dev.platform_data; + struct adp5520_led *led; + int i; + + led = platform_get_drvdata(pdev); + + adp5520_clr_bits(led->master, ADP5520_LED_CONTROL, + ADP5520_LED1_EN | ADP5520_LED2_EN | ADP5520_LED3_EN); + + for (i = 0; i < pdata->num_leds; i++) { + led_classdev_unregister(&led[i].cdev); + cancel_work_sync(&led[i].work); + } + + kfree(led); + return 0; +} + +static struct platform_driver adp5520_led_driver = { + .driver = { + .name = "adp5520-led", + .owner = THIS_MODULE, + }, + .probe = adp5520_led_probe, + .remove = __devexit_p(adp5520_led_remove), +}; + +static int __init adp5520_led_init(void) +{ + return platform_driver_register(&adp5520_led_driver); +} +module_init(adp5520_led_init); + +static void __exit adp5520_led_exit(void) +{ + platform_driver_unregister(&adp5520_led_driver); +} +module_exit(adp5520_led_exit); + +MODULE_AUTHOR("Michael Hennerich <hennerich@blackfin.uclinux.org>"); +MODULE_DESCRIPTION("LEDS ADP5520(01) Driver"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:adp5520-led"); diff --git a/drivers/leds/leds-alix2.c b/drivers/leds/leds-alix2.c index 731d4eef342..f59ffadf512 100644 --- a/drivers/leds/leds-alix2.c +++ b/drivers/leds/leds-alix2.c @@ -11,11 +11,24 @@ #include <linux/module.h> #include <linux/platform_device.h> #include <linux/string.h> +#include <linux/pci.h> static int force = 0; module_param(force, bool, 0444); MODULE_PARM_DESC(force, "Assume system has ALIX.2/ALIX.3 style LEDs"); +#define MSR_LBAR_GPIO 0x5140000C +#define CS5535_GPIO_SIZE 256 + +static u32 gpio_base; + +static struct pci_device_id divil_pci[] = { + { PCI_DEVICE(PCI_VENDOR_ID_NS, PCI_DEVICE_ID_NS_CS5535_ISA) }, + { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_CS5536_ISA) }, + { } /* NULL entry */ +}; +MODULE_DEVICE_TABLE(pci, divil_pci); + struct alix_led { struct led_classdev cdev; unsigned short port; @@ -30,9 +43,9 @@ static void alix_led_set(struct led_classdev *led_cdev, container_of(led_cdev, struct alix_led, cdev); if (brightness) - outl(led_dev->on_value, led_dev->port); + outl(led_dev->on_value, gpio_base + led_dev->port); else - outl(led_dev->off_value, led_dev->port); + outl(led_dev->off_value, gpio_base + led_dev->port); } static struct alix_led alix_leds[] = { @@ -41,7 +54,7 @@ static struct alix_led alix_leds[] = { .name = "alix:1", .brightness_set = alix_led_set, }, - .port = 0x6100, + .port = 0x00, .on_value = 1 << 22, .off_value = 1 << 6, }, @@ -50,7 +63,7 @@ static struct alix_led alix_leds[] = { .name = "alix:2", .brightness_set = alix_led_set, }, - .port = 0x6180, + .port = 0x80, .on_value = 1 << 25, .off_value = 1 << 9, }, @@ -59,7 +72,7 @@ static struct alix_led alix_leds[] = { .name = "alix:3", .brightness_set = alix_led_set, }, - .port = 0x6180, + .port = 0x80, .on_value = 1 << 27, .off_value = 1 << 11, }, @@ -101,64 +114,104 @@ static struct platform_driver alix_led_driver = { }, }; -static int __init alix_present(void) +static int __init alix_present(unsigned long bios_phys, + const char *alix_sig, + size_t alix_sig_len) { - const unsigned long bios_phys = 0x000f0000; const size_t bios_len = 0x00010000; - const char alix_sig[] = "PC Engines ALIX."; - const size_t alix_sig_len = sizeof(alix_sig) - 1; - const char *bios_virt; const char *scan_end; const char *p; - int ret = 0; + char name[64]; if (force) { printk(KERN_NOTICE "%s: forced to skip BIOS test, " "assume system has ALIX.2 style LEDs\n", KBUILD_MODNAME); - ret = 1; - goto out; + return 1; } bios_virt = phys_to_virt(bios_phys); scan_end = bios_virt + bios_len - (alix_sig_len + 2); for (p = bios_virt; p < scan_end; p++) { const char *tail; + char *a; - if (memcmp(p, alix_sig, alix_sig_len) != 0) { + if (memcmp(p, alix_sig, alix_sig_len) != 0) continue; - } + + memcpy(name, p, sizeof(name)); + + /* remove the first \0 character from string */ + a = strchr(name, '\0'); + if (a) + *a = ' '; + + /* cut the string at a newline */ + a = strchr(name, '\r'); + if (a) + *a = '\0'; tail = p + alix_sig_len; - if ((tail[0] == '2' || tail[0] == '3') && tail[1] == '\0') { + if ((tail[0] == '2' || tail[0] == '3')) { printk(KERN_INFO "%s: system is recognized as \"%s\"\n", - KBUILD_MODNAME, p); - ret = 1; - break; + KBUILD_MODNAME, name); + return 1; } } -out: - return ret; + return 0; } static struct platform_device *pdev; -static int __init alix_led_init(void) +static int __init alix_pci_led_init(void) { - int ret; + u32 low, hi; - if (!alix_present()) { - ret = -ENODEV; - goto out; + if (pci_dev_present(divil_pci) == 0) { + printk(KERN_WARNING KBUILD_MODNAME": DIVIL not found\n"); + return -ENODEV; } - /* enable output on GPIO for LED 1,2,3 */ - outl(1 << 6, 0x6104); - outl(1 << 9, 0x6184); - outl(1 << 11, 0x6184); + /* Grab the GPIO I/O range */ + rdmsr(MSR_LBAR_GPIO, low, hi); + + /* Check the mask and whether GPIO is enabled (sanity check) */ + if (hi != 0x0000f001) { + printk(KERN_WARNING KBUILD_MODNAME": GPIO not enabled\n"); + return -ENODEV; + } + + /* Mask off the IO base address */ + gpio_base = low & 0x0000ff00; + + if (!request_region(gpio_base, CS5535_GPIO_SIZE, KBUILD_MODNAME)) { + printk(KERN_ERR KBUILD_MODNAME": can't allocate I/O for GPIO\n"); + return -ENODEV; + } + + /* Set GPIO function to output */ + outl(1 << 6, gpio_base + 0x04); + outl(1 << 9, gpio_base + 0x84); + outl(1 << 11, gpio_base + 0x84); + + return 0; +} + +static int __init alix_led_init(void) +{ + int ret = -ENODEV; + const char tinybios_sig[] = "PC Engines ALIX."; + const char coreboot_sig[] = "PC Engines\0ALIX."; + + if (alix_present(0xf0000, tinybios_sig, sizeof(tinybios_sig) - 1) || + alix_present(0x500, coreboot_sig, sizeof(coreboot_sig) - 1)) + ret = alix_pci_led_init(); + + if (ret < 0) + return ret; pdev = platform_device_register_simple(KBUILD_MODNAME, -1, NULL, 0); if (!IS_ERR(pdev)) { @@ -168,7 +221,6 @@ static int __init alix_led_init(void) } else ret = PTR_ERR(pdev); -out: return ret; } @@ -176,6 +228,7 @@ static void __exit alix_led_exit(void) { platform_device_unregister(pdev); platform_driver_unregister(&alix_led_driver); + release_region(gpio_base, CS5535_GPIO_SIZE); } module_init(alix_led_init); diff --git a/drivers/leds/leds-cobalt-qube.c b/drivers/leds/leds-cobalt-qube.c index 8816806accd..da5fb016b1a 100644 --- a/drivers/leds/leds-cobalt-qube.c +++ b/drivers/leds/leds-cobalt-qube.c @@ -31,7 +31,7 @@ static struct led_classdev qube_front_led = { .name = "qube::front", .brightness = LED_FULL, .brightness_set = qube_front_led_set, - .default_trigger = "ide-disk", + .default_trigger = "default-on", }; static int __devinit cobalt_qube_led_probe(struct platform_device *pdev) @@ -43,7 +43,7 @@ static int __devinit cobalt_qube_led_probe(struct platform_device *pdev) if (!res) return -EBUSY; - led_port = ioremap(res->start, res->end - res->start + 1); + led_port = ioremap(res->start, resource_size(res)); if (!led_port) return -ENOMEM; diff --git a/drivers/leds/leds-cobalt-raq.c b/drivers/leds/leds-cobalt-raq.c index defc212105f..438d4838463 100644 --- a/drivers/leds/leds-cobalt-raq.c +++ b/drivers/leds/leds-cobalt-raq.c @@ -84,7 +84,7 @@ static int __devinit cobalt_raq_led_probe(struct platform_device *pdev) if (!res) return -EBUSY; - led_port = ioremap(res->start, res->end - res->start + 1); + led_port = ioremap(res->start, resource_size(res)); if (!led_port) return -ENOMEM; diff --git a/drivers/leds/leds-lt3593.c b/drivers/leds/leds-lt3593.c new file mode 100644 index 00000000000..fee40a84195 --- /dev/null +++ b/drivers/leds/leds-lt3593.c @@ -0,0 +1,217 @@ +/* + * LEDs driver for LT3593 controllers + * + * See the datasheet at http://cds.linear.com/docs/Datasheet/3593f.pdf + * + * Copyright (c) 2009 Daniel Mack <daniel@caiaq.de> + * + * Based on leds-gpio.c, + * + * Copyright (C) 2007 8D Technologies inc. + * Raphael Assenat <raph@8d.com> + * Copyright (C) 2008 Freescale Semiconductor, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/leds.h> +#include <linux/workqueue.h> +#include <linux/delay.h> +#include <linux/gpio.h> + +struct lt3593_led_data { + struct led_classdev cdev; + unsigned gpio; + struct work_struct work; + u8 new_level; +}; + +static void lt3593_led_work(struct work_struct *work) +{ + int pulses; + struct lt3593_led_data *led_dat = + container_of(work, struct lt3593_led_data, work); + + /* + * The LT3593 resets its internal current level register to the maximum + * level on the first falling edge on the control pin. Each following + * falling edge decreases the current level by 625uA. Up to 32 pulses + * can be sent, so the maximum power reduction is 20mA. + * After a timeout of 128us, the value is taken from the register and + * applied is to the output driver. + */ + + if (led_dat->new_level == 0) { + gpio_set_value_cansleep(led_dat->gpio, 0); + return; + } + + pulses = 32 - (led_dat->new_level * 32) / 255; + + if (pulses == 0) { + gpio_set_value_cansleep(led_dat->gpio, 0); + mdelay(1); + gpio_set_value_cansleep(led_dat->gpio, 1); + return; + } + + gpio_set_value_cansleep(led_dat->gpio, 1); + + while (pulses--) { + gpio_set_value_cansleep(led_dat->gpio, 0); + udelay(1); + gpio_set_value_cansleep(led_dat->gpio, 1); + udelay(1); + } +} + +static void lt3593_led_set(struct led_classdev *led_cdev, + enum led_brightness value) +{ + struct lt3593_led_data *led_dat = + container_of(led_cdev, struct lt3593_led_data, cdev); + + led_dat->new_level = value; + schedule_work(&led_dat->work); +} + +static int __devinit create_lt3593_led(const struct gpio_led *template, + struct lt3593_led_data *led_dat, struct device *parent) +{ + int ret, state; + + /* skip leds on GPIOs that aren't available */ + if (!gpio_is_valid(template->gpio)) { + printk(KERN_INFO "%s: skipping unavailable LT3593 LED at gpio %d (%s)\n", + KBUILD_MODNAME, template->gpio, template->name); + return 0; + } + + ret = gpio_request(template->gpio, template->name); + if (ret < 0) + return ret; + + led_dat->cdev.name = template->name; + led_dat->cdev.default_trigger = template->default_trigger; + led_dat->gpio = template->gpio; + + led_dat->cdev.brightness_set = lt3593_led_set; + + state = (template->default_state == LEDS_GPIO_DEFSTATE_ON); + led_dat->cdev.brightness = state ? LED_FULL : LED_OFF; + + if (!template->retain_state_suspended) + led_dat->cdev.flags |= LED_CORE_SUSPENDRESUME; + + ret = gpio_direction_output(led_dat->gpio, state); + if (ret < 0) + goto err; + + INIT_WORK(&led_dat->work, lt3593_led_work); + + ret = led_classdev_register(parent, &led_dat->cdev); + if (ret < 0) + goto err; + + printk(KERN_INFO "%s: registered LT3593 LED '%s' at GPIO %d\n", + KBUILD_MODNAME, template->name, template->gpio); + + return 0; + +err: + gpio_free(led_dat->gpio); + return ret; +} + +static void delete_lt3593_led(struct lt3593_led_data *led) +{ + if (!gpio_is_valid(led->gpio)) + return; + + led_classdev_unregister(&led->cdev); + cancel_work_sync(&led->work); + gpio_free(led->gpio); +} + +static int __devinit lt3593_led_probe(struct platform_device *pdev) +{ + struct gpio_led_platform_data *pdata = pdev->dev.platform_data; + struct lt3593_led_data *leds_data; + int i, ret = 0; + + if (!pdata) + return -EBUSY; + + leds_data = kzalloc(sizeof(struct lt3593_led_data) * pdata->num_leds, + GFP_KERNEL); + if (!leds_data) + return -ENOMEM; + + for (i = 0; i < pdata->num_leds; i++) { + ret = create_lt3593_led(&pdata->leds[i], &leds_data[i], + &pdev->dev); + if (ret < 0) + goto err; + } + + platform_set_drvdata(pdev, leds_data); + + return 0; + +err: + for (i = i - 1; i >= 0; i--) + delete_lt3593_led(&leds_data[i]); + + kfree(leds_data); + + return ret; +} + +static int __devexit lt3593_led_remove(struct platform_device *pdev) +{ + int i; + struct gpio_led_platform_data *pdata = pdev->dev.platform_data; + struct lt3593_led_data *leds_data; + + leds_data = platform_get_drvdata(pdev); + + for (i = 0; i < pdata->num_leds; i++) + delete_lt3593_led(&leds_data[i]); + + kfree(leds_data); + + return 0; +} + +static struct platform_driver lt3593_led_driver = { + .probe = lt3593_led_probe, + .remove = __devexit_p(lt3593_led_remove), + .driver = { + .name = "leds-lt3593", + .owner = THIS_MODULE, + }, +}; + +MODULE_ALIAS("platform:leds-lt3593"); + +static int __init lt3593_led_init(void) +{ + return platform_driver_register(<3593_led_driver); +} + +static void __exit lt3593_led_exit(void) +{ + platform_driver_unregister(<3593_led_driver); +} + +module_init(lt3593_led_init); +module_exit(lt3593_led_exit); + +MODULE_AUTHOR("Daniel Mack <daniel@caiaq.de>"); +MODULE_DESCRIPTION("LED driver for LT3593 controllers"); +MODULE_LICENSE("GPL"); diff --git a/drivers/leds/leds-pwm.c b/drivers/leds/leds-pwm.c index cdfdc8714e1..88b1dd091cf 100644 --- a/drivers/leds/leds-pwm.c +++ b/drivers/leds/leds-pwm.c @@ -27,7 +27,6 @@ struct led_pwm_data { struct pwm_device *pwm; unsigned int active_low; unsigned int period; - unsigned int max_brightness; }; static void led_pwm_set(struct led_classdev *led_cdev, @@ -35,7 +34,7 @@ static void led_pwm_set(struct led_classdev *led_cdev, { struct led_pwm_data *led_dat = container_of(led_cdev, struct led_pwm_data, cdev); - unsigned int max = led_dat->max_brightness; + unsigned int max = led_dat->cdev.max_brightness; unsigned int period = led_dat->period; if (brightness == 0) { @@ -77,10 +76,10 @@ static int led_pwm_probe(struct platform_device *pdev) led_dat->cdev.name = cur_led->name; led_dat->cdev.default_trigger = cur_led->default_trigger; led_dat->active_low = cur_led->active_low; - led_dat->max_brightness = cur_led->max_brightness; led_dat->period = cur_led->pwm_period_ns; led_dat->cdev.brightness_set = led_pwm_set; led_dat->cdev.brightness = LED_OFF; + led_dat->cdev.max_brightness = cur_led->max_brightness; led_dat->cdev.flags |= LED_CORE_SUSPENDRESUME; ret = led_classdev_register(&pdev->dev, &led_dat->cdev); diff --git a/drivers/leds/leds-regulator.c b/drivers/leds/leds-regulator.c new file mode 100644 index 00000000000..7f00de3ef92 --- /dev/null +++ b/drivers/leds/leds-regulator.c @@ -0,0 +1,242 @@ +/* + * leds-regulator.c - LED class driver for regulator driven LEDs. + * + * Copyright (C) 2009 Antonio Ospite <ospite@studenti.unina.it> + * + * Inspired by leds-wm8350 driver. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + */ + +#include <linux/module.h> +#include <linux/err.h> +#include <linux/workqueue.h> +#include <linux/leds.h> +#include <linux/leds-regulator.h> +#include <linux/platform_device.h> +#include <linux/regulator/consumer.h> + +#define to_regulator_led(led_cdev) \ + container_of(led_cdev, struct regulator_led, cdev) + +struct regulator_led { + struct led_classdev cdev; + enum led_brightness value; + int enabled; + struct mutex mutex; + struct work_struct work; + + struct regulator *vcc; +}; + +static inline int led_regulator_get_max_brightness(struct regulator *supply) +{ + int ret; + int voltage = regulator_list_voltage(supply, 0); + + if (voltage <= 0) + return 1; + + /* even if regulator can't change voltages, + * we still assume it can change status + * and the LED can be turned on and off. + */ + ret = regulator_set_voltage(supply, voltage, voltage); + if (ret < 0) + return 1; + + return regulator_count_voltages(supply); +} + +static int led_regulator_get_voltage(struct regulator *supply, + enum led_brightness brightness) +{ + if (brightness == 0) + return -EINVAL; + + return regulator_list_voltage(supply, brightness - 1); +} + + +static void regulator_led_enable(struct regulator_led *led) +{ + int ret; + + if (led->enabled) + return; + + ret = regulator_enable(led->vcc); + if (ret != 0) { + dev_err(led->cdev.dev, "Failed to enable vcc: %d\n", ret); + return; + } + + led->enabled = 1; +} + +static void regulator_led_disable(struct regulator_led *led) +{ + int ret; + + if (!led->enabled) + return; + + ret = regulator_disable(led->vcc); + if (ret != 0) { + dev_err(led->cdev.dev, "Failed to disable vcc: %d\n", ret); + return; + } + + led->enabled = 0; +} + +static void regulator_led_set_value(struct regulator_led *led) +{ + int voltage; + int ret; + + mutex_lock(&led->mutex); + + if (led->value == LED_OFF) { + regulator_led_disable(led); + goto out; + } + + if (led->cdev.max_brightness > 1) { + voltage = led_regulator_get_voltage(led->vcc, led->value); + dev_dbg(led->cdev.dev, "brightness: %d voltage: %d\n", + led->value, voltage); + + ret = regulator_set_voltage(led->vcc, voltage, voltage); + if (ret != 0) + dev_err(led->cdev.dev, "Failed to set voltage %d: %d\n", + voltage, ret); + } + + regulator_led_enable(led); + +out: + mutex_unlock(&led->mutex); +} + +static void led_work(struct work_struct *work) +{ + struct regulator_led *led; + + led = container_of(work, struct regulator_led, work); + regulator_led_set_value(led); +} + +static void regulator_led_brightness_set(struct led_classdev *led_cdev, + enum led_brightness value) +{ + struct regulator_led *led = to_regulator_led(led_cdev); + + led->value = value; + schedule_work(&led->work); +} + +static int __devinit regulator_led_probe(struct platform_device *pdev) +{ + struct led_regulator_platform_data *pdata = pdev->dev.platform_data; + struct regulator_led *led; + struct regulator *vcc; + int ret = 0; + + if (pdata == NULL) { + dev_err(&pdev->dev, "no platform data\n"); + return -ENODEV; + } + + vcc = regulator_get_exclusive(&pdev->dev, "vled"); + if (IS_ERR(vcc)) { + dev_err(&pdev->dev, "Cannot get vcc for %s\n", pdata->name); + return PTR_ERR(vcc); + } + + led = kzalloc(sizeof(*led), GFP_KERNEL); + if (led == NULL) { + ret = -ENOMEM; + goto err_vcc; + } + + led->cdev.max_brightness = led_regulator_get_max_brightness(vcc); + if (pdata->brightness > led->cdev.max_brightness) { + dev_err(&pdev->dev, "Invalid default brightness %d\n", + pdata->brightness); + ret = -EINVAL; + goto err_led; + } + led->value = pdata->brightness; + + led->cdev.brightness_set = regulator_led_brightness_set; + led->cdev.name = pdata->name; + led->cdev.flags |= LED_CORE_SUSPENDRESUME; + led->vcc = vcc; + + mutex_init(&led->mutex); + INIT_WORK(&led->work, led_work); + + platform_set_drvdata(pdev, led); + + ret = led_classdev_register(&pdev->dev, &led->cdev); + if (ret < 0) { + cancel_work_sync(&led->work); + goto err_led; + } + + /* to expose the default value to userspace */ + led->cdev.brightness = led->value; + + /* Set the default led status */ + regulator_led_set_value(led); + + return 0; + +err_led: + kfree(led); +err_vcc: + regulator_put(vcc); + return ret; +} + +static int __devexit regulator_led_remove(struct platform_device *pdev) +{ + struct regulator_led *led = platform_get_drvdata(pdev); + + led_classdev_unregister(&led->cdev); + cancel_work_sync(&led->work); + regulator_led_disable(led); + regulator_put(led->vcc); + kfree(led); + return 0; +} + +static struct platform_driver regulator_led_driver = { + .driver = { + .name = "leds-regulator", + .owner = THIS_MODULE, + }, + .probe = regulator_led_probe, + .remove = __devexit_p(regulator_led_remove), +}; + +static int __init regulator_led_init(void) +{ + return platform_driver_register(®ulator_led_driver); +} +module_init(regulator_led_init); + +static void __exit regulator_led_exit(void) +{ + platform_driver_unregister(®ulator_led_driver); +} +module_exit(regulator_led_exit); + +MODULE_AUTHOR("Antonio Ospite <ospite@studenti.unina.it>"); +MODULE_DESCRIPTION("Regulator driven LED driver"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:leds-regulator"); diff --git a/drivers/leds/leds-ss4200.c b/drivers/leds/leds-ss4200.c new file mode 100644 index 00000000000..97f04984c1c --- /dev/null +++ b/drivers/leds/leds-ss4200.c @@ -0,0 +1,556 @@ +/* + * SS4200-E Hardware API + * Copyright (c) 2009, Intel Corporation. + * Copyright IBM Corporation, 2009 + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. + * + * Author: Dave Hansen <dave@sr71.net> + */ + +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + +#include <linux/dmi.h> +#include <linux/init.h> +#include <linux/ioport.h> +#include <linux/kernel.h> +#include <linux/leds.h> +#include <linux/module.h> +#include <linux/pci.h> +#include <linux/types.h> +#include <linux/uaccess.h> + +MODULE_AUTHOR("Rodney Girod <rgirod@confocus.com>, Dave Hansen <dave@sr71.net>"); +MODULE_DESCRIPTION("Intel NAS/Home Server ICH7 GPIO Driver"); +MODULE_LICENSE("GPL"); + +/* + * ICH7 LPC/GPIO PCI Config register offsets + */ +#define PMBASE 0x040 +#define GPIO_BASE 0x048 +#define GPIO_CTRL 0x04c +#define GPIO_EN 0x010 + +/* + * The ICH7 GPIO register block is 64 bytes in size. + */ +#define ICH7_GPIO_SIZE 64 + +/* + * Define register offsets within the ICH7 register block. + */ +#define GPIO_USE_SEL 0x000 +#define GP_IO_SEL 0x004 +#define GP_LVL 0x00c +#define GPO_BLINK 0x018 +#define GPI_INV 0x030 +#define GPIO_USE_SEL2 0x034 +#define GP_IO_SEL2 0x038 +#define GP_LVL2 0x03c + +/* + * PCI ID of the Intel ICH7 LPC Device within which the GPIO block lives. + */ +static struct pci_device_id ich7_lpc_pci_id[] = +{ + { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH7_0) }, + { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH7_1) }, + { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH7_30) }, + { } /* NULL entry */ +}; + +MODULE_DEVICE_TABLE(pci, ich7_lpc_pci_id); + +static int __init ss4200_led_dmi_callback(const struct dmi_system_id *id) +{ + pr_info("detected '%s'\n", id->ident); + return 1; +} + +static unsigned int __initdata nodetect; +module_param_named(nodetect, nodetect, bool, 0); +MODULE_PARM_DESC(nodetect, "Skip DMI-based hardware detection"); + +/* + * struct nas_led_whitelist - List of known good models + * + * Contains the known good models this driver is compatible with. + * When adding a new model try to be as strict as possible. This + * makes it possible to keep the false positives (the model is + * detected as working, but in reality it is not) as low as + * possible. + */ +static struct dmi_system_id __initdata nas_led_whitelist[] = { + { + .callback = ss4200_led_dmi_callback, + .ident = "Intel SS4200-E", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Intel"), + DMI_MATCH(DMI_PRODUCT_NAME, "SS4200-E"), + DMI_MATCH(DMI_PRODUCT_VERSION, "1.00.00") + } + }, +}; + +/* + * Base I/O address assigned to the Power Management register block + */ +static u32 g_pm_io_base; + +/* + * Base I/O address assigned to the ICH7 GPIO register block + */ +static u32 nas_gpio_io_base; + +/* + * When we successfully register a region, we are returned a resource. + * We use these to identify which regions we need to release on our way + * back out. + */ +static struct resource *gp_gpio_resource; + +struct nasgpio_led { + char *name; + u32 gpio_bit; + struct led_classdev led_cdev; +}; + +/* + * gpio_bit(s) are the ICH7 GPIO bit assignments + */ +static struct nasgpio_led nasgpio_leds[] = { + { .name = "hdd1:blue:sata", .gpio_bit = 0 }, + { .name = "hdd1:amber:sata", .gpio_bit = 1 }, + { .name = "hdd2:blue:sata", .gpio_bit = 2 }, + { .name = "hdd2:amber:sata", .gpio_bit = 3 }, + { .name = "hdd3:blue:sata", .gpio_bit = 4 }, + { .name = "hdd3:amber:sata", .gpio_bit = 5 }, + { .name = "hdd4:blue:sata", .gpio_bit = 6 }, + { .name = "hdd4:amber:sata", .gpio_bit = 7 }, + { .name = "power:blue:power", .gpio_bit = 27}, + { .name = "power:amber:power", .gpio_bit = 28}, +}; + +#define NAS_RECOVERY 0x00000400 /* GPIO10 */ + +static struct nasgpio_led * +led_classdev_to_nasgpio_led(struct led_classdev *led_cdev) +{ + return container_of(led_cdev, struct nasgpio_led, led_cdev); +} + +static struct nasgpio_led *get_led_named(char *name) +{ + int i; + for (i = 0; i < ARRAY_SIZE(nasgpio_leds); i++) { + if (strcmp(nasgpio_leds[i].name, name)) + continue; + return &nasgpio_leds[i]; + } + return NULL; +} + +/* + * This protects access to the gpio ports. + */ +static DEFINE_SPINLOCK(nasgpio_gpio_lock); + +/* + * There are two gpio ports, one for blinking and the other + * for power. @port tells us if we're doing blinking or + * power control. + * + * Caller must hold nasgpio_gpio_lock + */ +static void __nasgpio_led_set_attr(struct led_classdev *led_cdev, + u32 port, u32 value) +{ + struct nasgpio_led *led = led_classdev_to_nasgpio_led(led_cdev); + u32 gpio_out; + + gpio_out = inl(nas_gpio_io_base + port); + if (value) + gpio_out |= (1<<led->gpio_bit); + else + gpio_out &= ~(1<<led->gpio_bit); + + outl(gpio_out, nas_gpio_io_base + port); +} + +static void nasgpio_led_set_attr(struct led_classdev *led_cdev, + u32 port, u32 value) +{ + spin_lock(&nasgpio_gpio_lock); + __nasgpio_led_set_attr(led_cdev, port, value); + spin_unlock(&nasgpio_gpio_lock); +} + +u32 nasgpio_led_get_attr(struct led_classdev *led_cdev, u32 port) +{ + struct nasgpio_led *led = led_classdev_to_nasgpio_led(led_cdev); + u32 gpio_in; + + spin_lock(&nasgpio_gpio_lock); + gpio_in = inl(nas_gpio_io_base + port); + spin_unlock(&nasgpio_gpio_lock); + if (gpio_in & (1<<led->gpio_bit)) + return 1; + return 0; +} + +/* + * There is actual brightness control in the hardware, + * but it is via smbus commands and not implemented + * in this driver. + */ +static void nasgpio_led_set_brightness(struct led_classdev *led_cdev, + enum led_brightness brightness) +{ + u32 setting = 0; + if (brightness >= LED_HALF) + setting = 1; + /* + * Hold the lock across both operations. This ensures + * consistency so that both the "turn off blinking" + * and "turn light off" operations complete as a set. + */ + spin_lock(&nasgpio_gpio_lock); + /* + * LED class documentation asks that past blink state + * be disabled when brightness is turned to zero. + */ + if (brightness == 0) + __nasgpio_led_set_attr(led_cdev, GPO_BLINK, 0); + __nasgpio_led_set_attr(led_cdev, GP_LVL, setting); + spin_unlock(&nasgpio_gpio_lock); +} + +static int nasgpio_led_set_blink(struct led_classdev *led_cdev, + unsigned long *delay_on, + unsigned long *delay_off) +{ + u32 setting = 1; + if (!(*delay_on == 0 && *delay_off == 0) && + !(*delay_on == 500 && *delay_off == 500)) + return -EINVAL; + /* + * These are very approximate. + */ + *delay_on = 500; + *delay_off = 500; + + nasgpio_led_set_attr(led_cdev, GPO_BLINK, setting); + + return 0; +} + + +/* + * Initialize the ICH7 GPIO registers for NAS usage. The BIOS should have + * already taken care of this, but we will do so in a non destructive manner + * so that we have what we need whether the BIOS did it or not. + */ +static int __devinit ich7_gpio_init(struct device *dev) +{ + int i; + u32 config_data = 0; + u32 all_nas_led = 0; + + for (i = 0; i < ARRAY_SIZE(nasgpio_leds); i++) + all_nas_led |= (1<<nasgpio_leds[i].gpio_bit); + + spin_lock(&nasgpio_gpio_lock); + /* + * We need to enable all of the GPIO lines used by the NAS box, + * so we will read the current Use Selection and add our usage + * to it. This should be benign with regard to the original + * BIOS configuration. + */ + config_data = inl(nas_gpio_io_base + GPIO_USE_SEL); + dev_dbg(dev, ": Data read from GPIO_USE_SEL = 0x%08x\n", config_data); + config_data |= all_nas_led + NAS_RECOVERY; + outl(config_data, nas_gpio_io_base + GPIO_USE_SEL); + config_data = inl(nas_gpio_io_base + GPIO_USE_SEL); + dev_dbg(dev, ": GPIO_USE_SEL = 0x%08x\n\n", config_data); + + /* + * The LED GPIO outputs need to be configured for output, so we + * will ensure that all LED lines are cleared for output and the + * RECOVERY line ready for input. This too should be benign with + * regard to BIOS configuration. + */ + config_data = inl(nas_gpio_io_base + GP_IO_SEL); + dev_dbg(dev, ": Data read from GP_IO_SEL = 0x%08x\n", + config_data); + config_data &= ~all_nas_led; + config_data |= NAS_RECOVERY; + outl(config_data, nas_gpio_io_base + GP_IO_SEL); + config_data = inl(nas_gpio_io_base + GP_IO_SEL); + dev_dbg(dev, ": GP_IO_SEL = 0x%08x\n", config_data); + + /* + * In our final system, the BIOS will initialize the state of all + * of the LEDs. For now, we turn them all off (or Low). + */ + config_data = inl(nas_gpio_io_base + GP_LVL); + dev_dbg(dev, ": Data read from GP_LVL = 0x%08x\n", config_data); + /* + * In our final system, the BIOS will initialize the blink state of all + * of the LEDs. For now, we turn blink off for all of them. + */ + config_data = inl(nas_gpio_io_base + GPO_BLINK); + dev_dbg(dev, ": Data read from GPO_BLINK = 0x%08x\n", config_data); + + /* + * At this moment, I am unsure if anything needs to happen with GPI_INV + */ + config_data = inl(nas_gpio_io_base + GPI_INV); + dev_dbg(dev, ": Data read from GPI_INV = 0x%08x\n", config_data); + + spin_unlock(&nasgpio_gpio_lock); + return 0; +} + +static void ich7_lpc_cleanup(struct device *dev) +{ + /* + * If we were given exclusive use of the GPIO + * I/O Address range, we must return it. + */ + if (gp_gpio_resource) { + dev_dbg(dev, ": Releasing GPIO I/O addresses\n"); + release_region(nas_gpio_io_base, ICH7_GPIO_SIZE); + gp_gpio_resource = NULL; + } +} + +/* + * The OS has determined that the LPC of the Intel ICH7 Southbridge is present + * so we can retrive the required operational information and prepare the GPIO. + */ +static struct pci_dev *nas_gpio_pci_dev; +static int __devinit ich7_lpc_probe(struct pci_dev *dev, + const struct pci_device_id *id) +{ + int status; + u32 gc = 0; + + status = pci_enable_device(dev); + if (status) { + dev_err(&dev->dev, "pci_enable_device failed\n"); + return -EIO; + } + + nas_gpio_pci_dev = dev; + status = pci_read_config_dword(dev, PMBASE, &g_pm_io_base); + if (status) + goto out; + g_pm_io_base &= 0x00000ff80; + + status = pci_read_config_dword(dev, GPIO_CTRL, &gc); + if (!(GPIO_EN & gc)) { + status = -EEXIST; + dev_info(&dev->dev, + "ERROR: The LPC GPIO Block has not been enabled.\n"); + goto out; + } + + status = pci_read_config_dword(dev, GPIO_BASE, &nas_gpio_io_base); + if (0 > status) { + dev_info(&dev->dev, "Unable to read GPIOBASE.\n"); + goto out; + } + dev_dbg(&dev->dev, ": GPIOBASE = 0x%08x\n", nas_gpio_io_base); + nas_gpio_io_base &= 0x00000ffc0; + + /* + * Insure that we have exclusive access to the GPIO I/O address range. + */ + gp_gpio_resource = request_region(nas_gpio_io_base, ICH7_GPIO_SIZE, + KBUILD_MODNAME); + if (NULL == gp_gpio_resource) { + dev_info(&dev->dev, + "ERROR Unable to register GPIO I/O addresses.\n"); + status = -1; + goto out; + } + + /* + * Initialize the GPIO for NAS/Home Server Use + */ + ich7_gpio_init(&dev->dev); + +out: + if (status) { + ich7_lpc_cleanup(&dev->dev); + pci_disable_device(dev); + } + return status; +} + +static void ich7_lpc_remove(struct pci_dev *dev) +{ + ich7_lpc_cleanup(&dev->dev); + pci_disable_device(dev); +} + +/* + * pci_driver structure passed to the PCI modules + */ +static struct pci_driver nas_gpio_pci_driver = { + .name = KBUILD_MODNAME, + .id_table = ich7_lpc_pci_id, + .probe = ich7_lpc_probe, + .remove = ich7_lpc_remove, +}; + +static struct led_classdev *get_classdev_for_led_nr(int nr) +{ + struct nasgpio_led *nas_led = &nasgpio_leds[nr]; + struct led_classdev *led = &nas_led->led_cdev; + return led; +} + + +static void set_power_light_amber_noblink(void) +{ + struct nasgpio_led *amber = get_led_named("power:amber:power"); + struct nasgpio_led *blue = get_led_named("power:blue:power"); + + if (!amber || !blue) + return; + /* + * LED_OFF implies disabling future blinking + */ + pr_debug("setting blue off and amber on\n"); + + nasgpio_led_set_brightness(&blue->led_cdev, LED_OFF); + nasgpio_led_set_brightness(&amber->led_cdev, LED_FULL); +} + +static ssize_t nas_led_blink_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct led_classdev *led = dev_get_drvdata(dev); + int blinking = 0; + if (nasgpio_led_get_attr(led, GPO_BLINK)) + blinking = 1; + return sprintf(buf, "%u\n", blinking); +} + +static ssize_t nas_led_blink_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t size) +{ + int ret; + struct led_classdev *led = dev_get_drvdata(dev); + unsigned long blink_state; + + ret = strict_strtoul(buf, 10, &blink_state); + if (ret) + return ret; + + nasgpio_led_set_attr(led, GPO_BLINK, blink_state); + + return size; +} + +static DEVICE_ATTR(blink, 0644, nas_led_blink_show, nas_led_blink_store); + +static int register_nasgpio_led(int led_nr) +{ + int ret; + struct nasgpio_led *nas_led = &nasgpio_leds[led_nr]; + struct led_classdev *led = get_classdev_for_led_nr(led_nr); + + led->name = nas_led->name; + led->brightness = LED_OFF; + if (nasgpio_led_get_attr(led, GP_LVL)) + led->brightness = LED_FULL; + led->brightness_set = nasgpio_led_set_brightness; + led->blink_set = nasgpio_led_set_blink; + ret = led_classdev_register(&nas_gpio_pci_dev->dev, led); + if (ret) + return ret; + ret = device_create_file(led->dev, &dev_attr_blink); + if (ret) + led_classdev_unregister(led); + return ret; +} + +static void unregister_nasgpio_led(int led_nr) +{ + struct led_classdev *led = get_classdev_for_led_nr(led_nr); + led_classdev_unregister(led); + device_remove_file(led->dev, &dev_attr_blink); +} +/* + * module load/initialization + */ +static int __init nas_gpio_init(void) +{ + int i; + int ret = 0; + int nr_devices = 0; + + nr_devices = dmi_check_system(nas_led_whitelist); + if (nodetect) { + pr_info("skipping hardware autodetection\n"); + pr_info("Please send 'dmidecode' output to dave@sr71.net\n"); + nr_devices++; + } + + if (nr_devices <= 0) { + pr_info("no LED devices found\n"); + return -ENODEV; + } + + pr_info("registering PCI driver\n"); + ret = pci_register_driver(&nas_gpio_pci_driver); + if (ret) + return ret; + for (i = 0; i < ARRAY_SIZE(nasgpio_leds); i++) { + ret = register_nasgpio_led(i); + if (ret) + goto out_err; + } + /* + * When the system powers on, the BIOS leaves the power + * light blue and blinking. This will turn it solid + * amber once the driver is loaded. + */ + set_power_light_amber_noblink(); + return 0; +out_err: + for (; i >= 0; i--) + unregister_nasgpio_led(i); + pci_unregister_driver(&nas_gpio_pci_driver); + return ret; +} + +/* + * module unload + */ +static void __exit nas_gpio_exit(void) +{ + int i; + pr_info("Unregistering driver\n"); + for (i = 0; i < ARRAY_SIZE(nasgpio_leds); i++) + unregister_nasgpio_led(i); + pci_unregister_driver(&nas_gpio_pci_driver); +} + +module_init(nas_gpio_init); +module_exit(nas_gpio_exit); diff --git a/drivers/message/fusion/mptbase.c b/drivers/message/fusion/mptbase.c index 610e914abe6..85bc6a685e3 100644 --- a/drivers/message/fusion/mptbase.c +++ b/drivers/message/fusion/mptbase.c @@ -1587,7 +1587,7 @@ mpt_mapresources(MPT_ADAPTER *ioc) { u8 __iomem *mem; int ii; - unsigned long mem_phys; + resource_size_t mem_phys; unsigned long port; u32 msize; u32 psize; @@ -1677,8 +1677,8 @@ mpt_mapresources(MPT_ADAPTER *ioc) return -EINVAL; } ioc->memmap = mem; - dinitprintk(ioc, printk(MYIOC_s_INFO_FMT "mem = %p, mem_phys = %lx\n", - ioc->name, mem, mem_phys)); + dinitprintk(ioc, printk(MYIOC_s_INFO_FMT "mem = %p, mem_phys = %llx\n", + ioc->name, mem, (unsigned long long)mem_phys)); ioc->mem_phys = mem_phys; ioc->chip = (SYSIF_REGS __iomem *)mem; diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig index 1a7a9fc50ea..e3551d20464 100644 --- a/drivers/misc/Kconfig +++ b/drivers/misc/Kconfig @@ -203,6 +203,7 @@ config CS5535_MFGPT config CS5535_MFGPT_DEFAULT_IRQ int + depends on CS5535_MFGPT default 7 help MFGPTs on the CS5535 require an interrupt. The selected IRQ diff --git a/drivers/misc/enclosure.c b/drivers/misc/enclosure.c index e9eae4a7840..1eac626e710 100644 --- a/drivers/misc/enclosure.c +++ b/drivers/misc/enclosure.c @@ -391,6 +391,7 @@ static const char *const enclosure_status [] = { [ENCLOSURE_STATUS_NOT_INSTALLED] = "not installed", [ENCLOSURE_STATUS_UNKNOWN] = "unknown", [ENCLOSURE_STATUS_UNAVAILABLE] = "unavailable", + [ENCLOSURE_STATUS_MAX] = NULL, }; static const char *const enclosure_type [] = { diff --git a/drivers/mmc/core/sdio.c b/drivers/mmc/core/sdio.c index cdb845b68ab..06b64085a35 100644 --- a/drivers/mmc/core/sdio.c +++ b/drivers/mmc/core/sdio.c @@ -516,7 +516,8 @@ int mmc_attach_sdio(struct mmc_host *host, u32 ocr) * The number of functions on the card is encoded inside * the ocr. */ - card->sdio_funcs = funcs = (ocr & 0x70000000) >> 28; + funcs = (ocr & 0x70000000) >> 28; + card->sdio_funcs = 0; /* * If needed, disconnect card detection pull-up resistor. @@ -528,7 +529,7 @@ int mmc_attach_sdio(struct mmc_host *host, u32 ocr) /* * Initialize (but don't add) all present functions. */ - for (i = 0;i < funcs;i++) { + for (i = 0; i < funcs; i++, card->sdio_funcs++) { err = sdio_init_func(host->card, i + 1); if (err) goto remove; diff --git a/drivers/mmc/core/sdio_bus.c b/drivers/mmc/core/sdio_bus.c index d37464e296a..9e060c87e64 100644 --- a/drivers/mmc/core/sdio_bus.c +++ b/drivers/mmc/core/sdio_bus.c @@ -248,12 +248,15 @@ int sdio_add_func(struct sdio_func *func) /* * Unregister a SDIO function with the driver model, and * (eventually) free it. + * This function can be called through error paths where sdio_add_func() was + * never executed (because a failure occurred at an earlier point). */ void sdio_remove_func(struct sdio_func *func) { - if (sdio_func_present(func)) - device_del(&func->dev); + if (!sdio_func_present(func)) + return; + device_del(&func->dev); put_device(&func->dev); } diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig index 9d405b18178..ce1d28884e2 100644 --- a/drivers/mmc/host/Kconfig +++ b/drivers/mmc/host/Kconfig @@ -44,6 +44,19 @@ config MMC_SDHCI_IO_ACCESSORS This is silent Kconfig symbol that is selected by the drivers that need to overwrite SDHCI IO memory accessors. +config MMC_SDHCI_BIG_ENDIAN_32BIT_BYTE_SWAPPER + bool + select MMC_SDHCI_IO_ACCESSORS + help + This option is selected by drivers running on big endian hosts + and performing I/O to a SDHCI controller through a bus that + implements a hardware byte swapper using a 32-bit datum. + This endian mapping mode is called "data invariance" and + has the effect of scrambling the addresses and formats of data + accessed in sizes other than the datum size. + + This is the case for the Freescale eSDHC and Nintendo Wii SDHCI. + config MMC_SDHCI_PCI tristate "SDHCI support on PCI bus" depends on MMC_SDHCI && PCI @@ -75,11 +88,29 @@ config MMC_RICOH_MMC config MMC_SDHCI_OF tristate "SDHCI support on OpenFirmware platforms" depends on MMC_SDHCI && PPC_OF - select MMC_SDHCI_IO_ACCESSORS help This selects the OF support for Secure Digital Host Controller - Interfaces. So far, only the Freescale eSDHC controller is known - to exist on OF platforms. + Interfaces. + + If unsure, say N. + +config MMC_SDHCI_OF_ESDHC + bool "SDHCI OF support for the Freescale eSDHC controller" + depends on MMC_SDHCI_OF + select MMC_SDHCI_BIG_ENDIAN_32BIT_BYTE_SWAPPER + help + This selects the Freescale eSDHC controller support. + + If unsure, say N. + +config MMC_SDHCI_OF_HLWD + bool "SDHCI OF support for the Nintendo Wii SDHCI controllers" + depends on MMC_SDHCI_OF + select MMC_SDHCI_BIG_ENDIAN_32BIT_BYTE_SWAPPER + help + This selects the Secure Digital Host Controller Interface (SDHCI) + found in the "Hollywood" chipset of the Nintendo Wii video game + console. If unsure, say N. diff --git a/drivers/mmc/host/Makefile b/drivers/mmc/host/Makefile index ded4d8cdd9d..3d253dd4240 100644 --- a/drivers/mmc/host/Makefile +++ b/drivers/mmc/host/Makefile @@ -13,7 +13,6 @@ obj-$(CONFIG_MMC_MXC) += mxcmmc.o obj-$(CONFIG_MMC_SDHCI) += sdhci.o obj-$(CONFIG_MMC_SDHCI_PCI) += sdhci-pci.o obj-$(CONFIG_MMC_RICOH_MMC) += ricoh_mmc.o -obj-$(CONFIG_MMC_SDHCI_OF) += sdhci-of.o obj-$(CONFIG_MMC_SDHCI_PLTFM) += sdhci-pltfm.o obj-$(CONFIG_MMC_SDHCI_S3C) += sdhci-s3c.o obj-$(CONFIG_MMC_WBSD) += wbsd.o @@ -37,6 +36,11 @@ obj-$(CONFIG_MMC_CB710) += cb710-mmc.o obj-$(CONFIG_MMC_VIA_SDMMC) += via-sdmmc.o obj-$(CONFIG_SDH_BFIN) += bfin_sdh.o +obj-$(CONFIG_MMC_SDHCI_OF) += sdhci-of.o +sdhci-of-y := sdhci-of-core.o +sdhci-of-$(CONFIG_MMC_SDHCI_OF_ESDHC) += sdhci-of-esdhc.o +sdhci-of-$(CONFIG_MMC_SDHCI_OF_HLWD) += sdhci-of-hlwd.o + ifeq ($(CONFIG_CB710_DEBUG),y) CFLAGS-cb710-mmc += -DDEBUG endif diff --git a/drivers/mmc/host/sdhci-of.c b/drivers/mmc/host/sdhci-of-core.c index 01ab916c280..55e33135edb 100644 --- a/drivers/mmc/host/sdhci-of.c +++ b/drivers/mmc/host/sdhci-of-core.c @@ -22,62 +22,37 @@ #include <linux/of_platform.h> #include <linux/mmc/host.h> #include <asm/machdep.h> +#include "sdhci-of.h" #include "sdhci.h" -struct sdhci_of_data { - unsigned int quirks; - struct sdhci_ops ops; -}; - -struct sdhci_of_host { - unsigned int clock; - u16 xfer_mode_shadow; -}; +#ifdef CONFIG_MMC_SDHCI_BIG_ENDIAN_32BIT_BYTE_SWAPPER /* - * Ops and quirks for the Freescale eSDHC controller. + * These accessors are designed for big endian hosts doing I/O to + * little endian controllers incorporating a 32-bit hardware byte swapper. */ -#define ESDHC_DMA_SYSCTL 0x40c -#define ESDHC_DMA_SNOOP 0x00000040 - -#define ESDHC_SYSTEM_CONTROL 0x2c -#define ESDHC_CLOCK_MASK 0x0000fff0 -#define ESDHC_PREDIV_SHIFT 8 -#define ESDHC_DIVIDER_SHIFT 4 -#define ESDHC_CLOCK_PEREN 0x00000004 -#define ESDHC_CLOCK_HCKEN 0x00000002 -#define ESDHC_CLOCK_IPGEN 0x00000001 - -#define ESDHC_HOST_CONTROL_RES 0x05 - -static u32 esdhc_readl(struct sdhci_host *host, int reg) +u32 sdhci_be32bs_readl(struct sdhci_host *host, int reg) { return in_be32(host->ioaddr + reg); } -static u16 esdhc_readw(struct sdhci_host *host, int reg) +u16 sdhci_be32bs_readw(struct sdhci_host *host, int reg) { - u16 ret; - - if (unlikely(reg == SDHCI_HOST_VERSION)) - ret = in_be16(host->ioaddr + reg); - else - ret = in_be16(host->ioaddr + (reg ^ 0x2)); - return ret; + return in_be16(host->ioaddr + (reg ^ 0x2)); } -static u8 esdhc_readb(struct sdhci_host *host, int reg) +u8 sdhci_be32bs_readb(struct sdhci_host *host, int reg) { return in_8(host->ioaddr + (reg ^ 0x3)); } -static void esdhc_writel(struct sdhci_host *host, u32 val, int reg) +void sdhci_be32bs_writel(struct sdhci_host *host, u32 val, int reg) { out_be32(host->ioaddr + reg, val); } -static void esdhc_writew(struct sdhci_host *host, u16 val, int reg) +void sdhci_be32bs_writew(struct sdhci_host *host, u16 val, int reg) { struct sdhci_of_host *of_host = sdhci_priv(host); int base = reg & ~0x3; @@ -92,106 +67,21 @@ static void esdhc_writew(struct sdhci_host *host, u16 val, int reg) of_host->xfer_mode_shadow = val; return; case SDHCI_COMMAND: - esdhc_writel(host, val << 16 | of_host->xfer_mode_shadow, - SDHCI_TRANSFER_MODE); + sdhci_be32bs_writel(host, val << 16 | of_host->xfer_mode_shadow, + SDHCI_TRANSFER_MODE); return; - case SDHCI_BLOCK_SIZE: - /* - * Two last DMA bits are reserved, and first one is used for - * non-standard blksz of 4096 bytes that we don't support - * yet. So clear the DMA boundary bits. - */ - val &= ~SDHCI_MAKE_BLKSZ(0x7, 0); - /* fall through */ } clrsetbits_be32(host->ioaddr + base, 0xffff << shift, val << shift); } -static void esdhc_writeb(struct sdhci_host *host, u8 val, int reg) +void sdhci_be32bs_writeb(struct sdhci_host *host, u8 val, int reg) { int base = reg & ~0x3; int shift = (reg & 0x3) * 8; - /* Prevent SDHCI core from writing reserved bits (e.g. HISPD). */ - if (reg == SDHCI_HOST_CONTROL) - val &= ~ESDHC_HOST_CONTROL_RES; - clrsetbits_be32(host->ioaddr + base , 0xff << shift, val << shift); } - -static void esdhc_set_clock(struct sdhci_host *host, unsigned int clock) -{ - int pre_div = 2; - int div = 1; - - clrbits32(host->ioaddr + ESDHC_SYSTEM_CONTROL, ESDHC_CLOCK_IPGEN | - ESDHC_CLOCK_HCKEN | ESDHC_CLOCK_PEREN | ESDHC_CLOCK_MASK); - - if (clock == 0) - goto out; - - while (host->max_clk / pre_div / 16 > clock && pre_div < 256) - pre_div *= 2; - - while (host->max_clk / pre_div / div > clock && div < 16) - div++; - - dev_dbg(mmc_dev(host->mmc), "desired SD clock: %d, actual: %d\n", - clock, host->max_clk / pre_div / div); - - pre_div >>= 1; - div--; - - setbits32(host->ioaddr + ESDHC_SYSTEM_CONTROL, ESDHC_CLOCK_IPGEN | - ESDHC_CLOCK_HCKEN | ESDHC_CLOCK_PEREN | - div << ESDHC_DIVIDER_SHIFT | pre_div << ESDHC_PREDIV_SHIFT); - mdelay(100); -out: - host->clock = clock; -} - -static int esdhc_enable_dma(struct sdhci_host *host) -{ - setbits32(host->ioaddr + ESDHC_DMA_SYSCTL, ESDHC_DMA_SNOOP); - return 0; -} - -static unsigned int esdhc_get_max_clock(struct sdhci_host *host) -{ - struct sdhci_of_host *of_host = sdhci_priv(host); - - return of_host->clock; -} - -static unsigned int esdhc_get_min_clock(struct sdhci_host *host) -{ - struct sdhci_of_host *of_host = sdhci_priv(host); - - return of_host->clock / 256 / 16; -} - -static struct sdhci_of_data sdhci_esdhc = { - .quirks = SDHCI_QUIRK_FORCE_BLK_SZ_2048 | - SDHCI_QUIRK_BROKEN_CARD_DETECTION | - SDHCI_QUIRK_NO_BUSY_IRQ | - SDHCI_QUIRK_NONSTANDARD_CLOCK | - SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK | - SDHCI_QUIRK_PIO_NEEDS_DELAY | - SDHCI_QUIRK_RESTORE_IRQS_AFTER_RESET | - SDHCI_QUIRK_NO_CARD_NO_RESET, - .ops = { - .readl = esdhc_readl, - .readw = esdhc_readw, - .readb = esdhc_readb, - .writel = esdhc_writel, - .writew = esdhc_writew, - .writeb = esdhc_writeb, - .set_clock = esdhc_set_clock, - .enable_dma = esdhc_enable_dma, - .get_max_clock = esdhc_get_max_clock, - .get_min_clock = esdhc_get_min_clock, - }, -}; +#endif /* CONFIG_MMC_SDHCI_BIG_ENDIAN_32BIT_BYTE_SWAPPER */ #ifdef CONFIG_PM @@ -301,9 +191,14 @@ static int __devexit sdhci_of_remove(struct of_device *ofdev) } static const struct of_device_id sdhci_of_match[] = { +#ifdef CONFIG_MMC_SDHCI_OF_ESDHC { .compatible = "fsl,mpc8379-esdhc", .data = &sdhci_esdhc, }, { .compatible = "fsl,mpc8536-esdhc", .data = &sdhci_esdhc, }, { .compatible = "fsl,esdhc", .data = &sdhci_esdhc, }, +#endif +#ifdef CONFIG_MMC_SDHCI_OF_HLWD + { .compatible = "nintendo,hollywood-sdhci", .data = &sdhci_hlwd, }, +#endif { .compatible = "generic-sdhci", }, {}, }; diff --git a/drivers/mmc/host/sdhci-of-esdhc.c b/drivers/mmc/host/sdhci-of-esdhc.c new file mode 100644 index 00000000000..d5b11a17e64 --- /dev/null +++ b/drivers/mmc/host/sdhci-of-esdhc.c @@ -0,0 +1,143 @@ +/* + * Freescale eSDHC controller driver. + * + * Copyright (c) 2007 Freescale Semiconductor, Inc. + * Copyright (c) 2009 MontaVista Software, Inc. + * + * Authors: Xiaobo Xie <X.Xie@freescale.com> + * Anton Vorontsov <avorontsov@ru.mvista.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or (at + * your option) any later version. + */ + +#include <linux/io.h> +#include <linux/delay.h> +#include <linux/mmc/host.h> +#include "sdhci-of.h" +#include "sdhci.h" + +/* + * Ops and quirks for the Freescale eSDHC controller. + */ + +#define ESDHC_DMA_SYSCTL 0x40c +#define ESDHC_DMA_SNOOP 0x00000040 + +#define ESDHC_SYSTEM_CONTROL 0x2c +#define ESDHC_CLOCK_MASK 0x0000fff0 +#define ESDHC_PREDIV_SHIFT 8 +#define ESDHC_DIVIDER_SHIFT 4 +#define ESDHC_CLOCK_PEREN 0x00000004 +#define ESDHC_CLOCK_HCKEN 0x00000002 +#define ESDHC_CLOCK_IPGEN 0x00000001 + +#define ESDHC_HOST_CONTROL_RES 0x05 + +static u16 esdhc_readw(struct sdhci_host *host, int reg) +{ + u16 ret; + + if (unlikely(reg == SDHCI_HOST_VERSION)) + ret = in_be16(host->ioaddr + reg); + else + ret = sdhci_be32bs_readw(host, reg); + return ret; +} + +static void esdhc_writew(struct sdhci_host *host, u16 val, int reg) +{ + if (reg == SDHCI_BLOCK_SIZE) { + /* + * Two last DMA bits are reserved, and first one is used for + * non-standard blksz of 4096 bytes that we don't support + * yet. So clear the DMA boundary bits. + */ + val &= ~SDHCI_MAKE_BLKSZ(0x7, 0); + } + sdhci_be32bs_writew(host, val, reg); +} + +static void esdhc_writeb(struct sdhci_host *host, u8 val, int reg) +{ + /* Prevent SDHCI core from writing reserved bits (e.g. HISPD). */ + if (reg == SDHCI_HOST_CONTROL) + val &= ~ESDHC_HOST_CONTROL_RES; + sdhci_be32bs_writeb(host, val, reg); +} + +static void esdhc_set_clock(struct sdhci_host *host, unsigned int clock) +{ + int pre_div = 2; + int div = 1; + + clrbits32(host->ioaddr + ESDHC_SYSTEM_CONTROL, ESDHC_CLOCK_IPGEN | + ESDHC_CLOCK_HCKEN | ESDHC_CLOCK_PEREN | ESDHC_CLOCK_MASK); + + if (clock == 0) + goto out; + + while (host->max_clk / pre_div / 16 > clock && pre_div < 256) + pre_div *= 2; + + while (host->max_clk / pre_div / div > clock && div < 16) + div++; + + dev_dbg(mmc_dev(host->mmc), "desired SD clock: %d, actual: %d\n", + clock, host->max_clk / pre_div / div); + + pre_div >>= 1; + div--; + + setbits32(host->ioaddr + ESDHC_SYSTEM_CONTROL, ESDHC_CLOCK_IPGEN | + ESDHC_CLOCK_HCKEN | ESDHC_CLOCK_PEREN | + div << ESDHC_DIVIDER_SHIFT | pre_div << ESDHC_PREDIV_SHIFT); + mdelay(100); +out: + host->clock = clock; +} + +static int esdhc_enable_dma(struct sdhci_host *host) +{ + setbits32(host->ioaddr + ESDHC_DMA_SYSCTL, ESDHC_DMA_SNOOP); + return 0; +} + +static unsigned int esdhc_get_max_clock(struct sdhci_host *host) +{ + struct sdhci_of_host *of_host = sdhci_priv(host); + + return of_host->clock; +} + +static unsigned int esdhc_get_min_clock(struct sdhci_host *host) +{ + struct sdhci_of_host *of_host = sdhci_priv(host); + + return of_host->clock / 256 / 16; +} + +struct sdhci_of_data sdhci_esdhc = { + .quirks = SDHCI_QUIRK_FORCE_BLK_SZ_2048 | + SDHCI_QUIRK_BROKEN_CARD_DETECTION | + SDHCI_QUIRK_NO_BUSY_IRQ | + SDHCI_QUIRK_NONSTANDARD_CLOCK | + SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK | + SDHCI_QUIRK_PIO_NEEDS_DELAY | + SDHCI_QUIRK_RESTORE_IRQS_AFTER_RESET | + SDHCI_QUIRK_NO_CARD_NO_RESET, + .ops = { + .readl = sdhci_be32bs_readl, + .readw = esdhc_readw, + .readb = sdhci_be32bs_readb, + .writel = sdhci_be32bs_writel, + .writew = esdhc_writew, + .writeb = esdhc_writeb, + .set_clock = esdhc_set_clock, + .enable_dma = esdhc_enable_dma, + .get_max_clock = esdhc_get_max_clock, + .get_min_clock = esdhc_get_min_clock, + }, +}; diff --git a/drivers/mmc/host/sdhci-of-hlwd.c b/drivers/mmc/host/sdhci-of-hlwd.c new file mode 100644 index 00000000000..35117f3ed75 --- /dev/null +++ b/drivers/mmc/host/sdhci-of-hlwd.c @@ -0,0 +1,65 @@ +/* + * drivers/mmc/host/sdhci-of-hlwd.c + * + * Nintendo Wii Secure Digital Host Controller Interface. + * Copyright (C) 2009 The GameCube Linux Team + * Copyright (C) 2009 Albert Herranz + * + * Based on sdhci-of-esdhc.c + * + * Copyright (c) 2007 Freescale Semiconductor, Inc. + * Copyright (c) 2009 MontaVista Software, Inc. + * + * Authors: Xiaobo Xie <X.Xie@freescale.com> + * Anton Vorontsov <avorontsov@ru.mvista.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or (at + * your option) any later version. + */ + +#include <linux/delay.h> +#include <linux/mmc/host.h> +#include "sdhci-of.h" +#include "sdhci.h" + +/* + * Ops and quirks for the Nintendo Wii SDHCI controllers. + */ + +/* + * We need a small delay after each write, or things go horribly wrong. + */ +#define SDHCI_HLWD_WRITE_DELAY 5 /* usecs */ + +static void sdhci_hlwd_writel(struct sdhci_host *host, u32 val, int reg) +{ + sdhci_be32bs_writel(host, val, reg); + udelay(SDHCI_HLWD_WRITE_DELAY); +} + +static void sdhci_hlwd_writew(struct sdhci_host *host, u16 val, int reg) +{ + sdhci_be32bs_writew(host, val, reg); + udelay(SDHCI_HLWD_WRITE_DELAY); +} + +static void sdhci_hlwd_writeb(struct sdhci_host *host, u8 val, int reg) +{ + sdhci_be32bs_writeb(host, val, reg); + udelay(SDHCI_HLWD_WRITE_DELAY); +} + +struct sdhci_of_data sdhci_hlwd = { + .quirks = SDHCI_QUIRK_32BIT_DMA_ADDR | + SDHCI_QUIRK_32BIT_DMA_SIZE, + .ops = { + .readl = sdhci_be32bs_readl, + .readw = sdhci_be32bs_readw, + .readb = sdhci_be32bs_readb, + .writel = sdhci_hlwd_writel, + .writew = sdhci_hlwd_writew, + .writeb = sdhci_hlwd_writeb, + }, +}; diff --git a/drivers/mmc/host/sdhci-of.h b/drivers/mmc/host/sdhci-of.h new file mode 100644 index 00000000000..ad09ad9915d --- /dev/null +++ b/drivers/mmc/host/sdhci-of.h @@ -0,0 +1,42 @@ +/* + * OpenFirmware bindings for Secure Digital Host Controller Interface. + * + * Copyright (c) 2007 Freescale Semiconductor, Inc. + * Copyright (c) 2009 MontaVista Software, Inc. + * + * Authors: Xiaobo Xie <X.Xie@freescale.com> + * Anton Vorontsov <avorontsov@ru.mvista.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or (at + * your option) any later version. + */ + +#ifndef __SDHCI_OF_H +#define __SDHCI_OF_H + +#include <linux/types.h> +#include "sdhci.h" + +struct sdhci_of_data { + unsigned int quirks; + struct sdhci_ops ops; +}; + +struct sdhci_of_host { + unsigned int clock; + u16 xfer_mode_shadow; +}; + +extern u32 sdhci_be32bs_readl(struct sdhci_host *host, int reg); +extern u16 sdhci_be32bs_readw(struct sdhci_host *host, int reg); +extern u8 sdhci_be32bs_readb(struct sdhci_host *host, int reg); +extern void sdhci_be32bs_writel(struct sdhci_host *host, u32 val, int reg); +extern void sdhci_be32bs_writew(struct sdhci_host *host, u16 val, int reg); +extern void sdhci_be32bs_writeb(struct sdhci_host *host, u8 val, int reg); + +extern struct sdhci_of_data sdhci_esdhc; +extern struct sdhci_of_data sdhci_hlwd; + +#endif /* __SDHCI_OF_H */ diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h index ce5f1d73dc0..842f46f9428 100644 --- a/drivers/mmc/host/sdhci.h +++ b/drivers/mmc/host/sdhci.h @@ -8,6 +8,8 @@ * the Free Software Foundation; either version 2 of the License, or (at * your option) any later version. */ +#ifndef __SDHCI_H +#define __SDHCI_H #include <linux/scatterlist.h> #include <linux/compiler.h> @@ -408,3 +410,5 @@ extern void sdhci_remove_host(struct sdhci_host *host, int dead); extern int sdhci_suspend_host(struct sdhci_host *host, pm_message_t state); extern int sdhci_resume_host(struct sdhci_host *host); #endif + +#endif /* __SDHCI_H */ diff --git a/drivers/mtd/maps/pxa2xx-flash.c b/drivers/mtd/maps/pxa2xx-flash.c index 74fa075c838..b13f6417b5b 100644 --- a/drivers/mtd/maps/pxa2xx-flash.c +++ b/drivers/mtd/maps/pxa2xx-flash.c @@ -20,14 +20,23 @@ #include <asm/io.h> #include <mach/hardware.h> -#include <asm/cacheflush.h> #include <asm/mach/flash.h> +#define CACHELINESIZE 32 + static void pxa2xx_map_inval_cache(struct map_info *map, unsigned long from, ssize_t len) { - flush_ioremap_region(map->phys, map->cached, from, len); + unsigned long start = (unsigned long)map->cached + from; + unsigned long end = start + len; + + start &= ~(CACHELINESIZE - 1); + while (start < end) { + /* invalidate D cache line */ + asm volatile ("mcr p15, 0, %0, c7, c6, 1" : : "r" (start)); + start += CACHELINESIZE; + } } struct pxa2xx_flash_info { diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig index 7678538344f..677cd53f18c 100644 --- a/drivers/mtd/nand/Kconfig +++ b/drivers/mtd/nand/Kconfig @@ -291,14 +291,6 @@ config MTD_NAND_SHARPSL tristate "Support for NAND Flash on Sharp SL Series (C7xx + others)" depends on ARCH_PXA -config MTD_NAND_BASLER_EXCITE - tristate "Support for NAND Flash on Basler eXcite" - depends on BASLER_EXCITE - help - This enables the driver for the NAND flash device found on the - Basler eXcite Smart Camera. If built as a module, the driver - will be named excite_nandflash. - config MTD_NAND_CAFE tristate "NAND support for OLPC CAFÉ chip" depends on PCI diff --git a/drivers/mtd/nand/Makefile b/drivers/mtd/nand/Makefile index 460a1f39a8d..1407bd14401 100644 --- a/drivers/mtd/nand/Makefile +++ b/drivers/mtd/nand/Makefile @@ -27,7 +27,6 @@ obj-$(CONFIG_MTD_NAND_ATMEL) += atmel_nand.o obj-$(CONFIG_MTD_NAND_GPIO) += gpio.o obj-$(CONFIG_MTD_NAND_OMAP2) += omap2.o obj-$(CONFIG_MTD_NAND_CM_X270) += cmx270_nand.o -obj-$(CONFIG_MTD_NAND_BASLER_EXCITE) += excite_nandflash.o obj-$(CONFIG_MTD_NAND_PXA3xx) += pxa3xx_nand.o obj-$(CONFIG_MTD_NAND_TMIO) += tmio_nand.o obj-$(CONFIG_MTD_NAND_PLATFORM) += plat_nand.o diff --git a/drivers/mtd/nand/excite_nandflash.c b/drivers/mtd/nand/excite_nandflash.c deleted file mode 100644 index af6a6a5399e..00000000000 --- a/drivers/mtd/nand/excite_nandflash.c +++ /dev/null @@ -1,248 +0,0 @@ -/* -* Copyright (C) 2005 - 2007 by Basler Vision Technologies AG -* Author: Thomas Koeller <thomas.koeller.qbaslerweb.com> -* Original code by Thies Moeller <thies.moeller@baslerweb.com> -* -* This program is free software; you can redistribute it and/or modify -* it under the terms of the GNU General Public License as published by -* the Free Software Foundation; either version 2 of the License, or -* (at your option) any later version. -* -* This program is distributed in the hope that it will be useful, -* but WITHOUT ANY WARRANTY; without even the implied warranty of -* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -* GNU General Public License for more details. -* -* You should have received a copy of the GNU General Public License -* along with this program; if not, write to the Free Software -* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA -*/ - -#include <linux/module.h> -#include <linux/types.h> -#include <linux/init.h> -#include <linux/kernel.h> -#include <linux/string.h> -#include <linux/ioport.h> -#include <linux/platform_device.h> -#include <linux/delay.h> -#include <linux/err.h> - -#include <linux/mtd/mtd.h> -#include <linux/mtd/nand.h> -#include <linux/mtd/nand_ecc.h> -#include <linux/mtd/partitions.h> - -#include <asm/io.h> -#include <asm/rm9k-ocd.h> - -#include <excite_nandflash.h> - -#define EXCITE_NANDFLASH_VERSION "0.1" - -/* I/O register offsets */ -#define EXCITE_NANDFLASH_DATA_BYTE 0x00 -#define EXCITE_NANDFLASH_STATUS_BYTE 0x0c -#define EXCITE_NANDFLASH_ADDR_BYTE 0x10 -#define EXCITE_NANDFLASH_CMD_BYTE 0x14 - -/* prefix for debug output */ -static const char module_id[] = "excite_nandflash"; - -/* - * partition definition - */ -static const struct mtd_partition partition_info[] = { - { - .name = "eXcite RootFS", - .offset = 0, - .size = MTDPART_SIZ_FULL - } -}; - -static inline const struct resource * -excite_nand_get_resource(struct platform_device *d, unsigned long flags, - const char *basename) -{ - char buf[80]; - - if (snprintf(buf, sizeof buf, "%s_%u", basename, d->id) >= sizeof buf) - return NULL; - return platform_get_resource_byname(d, flags, buf); -} - -static inline void __iomem * -excite_nand_map_regs(struct platform_device *d, const char *basename) -{ - void *result = NULL; - const struct resource *const r = - excite_nand_get_resource(d, IORESOURCE_MEM, basename); - - if (r) - result = ioremap_nocache(r->start, r->end + 1 - r->start); - return result; -} - -/* controller and mtd information */ -struct excite_nand_drvdata { - struct mtd_info board_mtd; - struct nand_chip board_chip; - void __iomem *regs; - void __iomem *tgt; -}; - -/* Control function */ -static void excite_nand_control(struct mtd_info *mtd, int cmd, - unsigned int ctrl) -{ - struct excite_nand_drvdata * const d = - container_of(mtd, struct excite_nand_drvdata, board_mtd); - - switch (ctrl) { - case NAND_CTRL_CHANGE | NAND_CTRL_CLE: - d->tgt = d->regs + EXCITE_NANDFLASH_CMD_BYTE; - break; - case NAND_CTRL_CHANGE | NAND_CTRL_ALE: - d->tgt = d->regs + EXCITE_NANDFLASH_ADDR_BYTE; - break; - case NAND_CTRL_CHANGE | NAND_NCE: - d->tgt = d->regs + EXCITE_NANDFLASH_DATA_BYTE; - break; - } - - if (cmd != NAND_CMD_NONE) - __raw_writeb(cmd, d->tgt); -} - -/* Return 0 if flash is busy, 1 if ready */ -static int excite_nand_devready(struct mtd_info *mtd) -{ - struct excite_nand_drvdata * const drvdata = - container_of(mtd, struct excite_nand_drvdata, board_mtd); - - return __raw_readb(drvdata->regs + EXCITE_NANDFLASH_STATUS_BYTE); -} - -/* - * Called by device layer to remove the driver. - * The binding to the mtd and all allocated - * resources are released. - */ -static int __devexit excite_nand_remove(struct platform_device *dev) -{ - struct excite_nand_drvdata * const this = platform_get_drvdata(dev); - - platform_set_drvdata(dev, NULL); - - if (unlikely(!this)) { - printk(KERN_ERR "%s: called %s without private data!!", - module_id, __func__); - return -EINVAL; - } - - /* first thing we need to do is release our mtd - * then go through freeing the resource used - */ - nand_release(&this->board_mtd); - - /* free the common resources */ - iounmap(this->regs); - kfree(this); - - DEBUG(MTD_DEBUG_LEVEL1, "%s: removed\n", module_id); - return 0; -} - -/* - * Called by device layer when it finds a device matching - * one our driver can handle. This code checks to see if - * it can allocate all necessary resources then calls the - * nand layer to look for devices. -*/ -static int __init excite_nand_probe(struct platform_device *pdev) -{ - struct excite_nand_drvdata *drvdata; /* private driver data */ - struct nand_chip *board_chip; /* private flash chip data */ - struct mtd_info *board_mtd; /* mtd info for this board */ - int scan_res; - - drvdata = kzalloc(sizeof(*drvdata), GFP_KERNEL); - if (unlikely(!drvdata)) { - printk(KERN_ERR "%s: no memory for drvdata\n", - module_id); - return -ENOMEM; - } - - /* bind private data into driver */ - platform_set_drvdata(pdev, drvdata); - - /* allocate and map the resource */ - drvdata->regs = - excite_nand_map_regs(pdev, EXCITE_NANDFLASH_RESOURCE_REGS); - - if (unlikely(!drvdata->regs)) { - printk(KERN_ERR "%s: cannot reserve register region\n", - module_id); - kfree(drvdata); - return -ENXIO; - } - - drvdata->tgt = drvdata->regs + EXCITE_NANDFLASH_DATA_BYTE; - - /* initialise our chip */ - board_chip = &drvdata->board_chip; - board_chip->IO_ADDR_R = board_chip->IO_ADDR_W = - drvdata->regs + EXCITE_NANDFLASH_DATA_BYTE; - board_chip->cmd_ctrl = excite_nand_control; - board_chip->dev_ready = excite_nand_devready; - board_chip->chip_delay = 25; - board_chip->ecc.mode = NAND_ECC_SOFT; - - /* link chip to mtd */ - board_mtd = &drvdata->board_mtd; - board_mtd->priv = board_chip; - - DEBUG(MTD_DEBUG_LEVEL2, "%s: device scan\n", module_id); - scan_res = nand_scan(&drvdata->board_mtd, 1); - - if (likely(!scan_res)) { - DEBUG(MTD_DEBUG_LEVEL2, "%s: register partitions\n", module_id); - add_mtd_partitions(&drvdata->board_mtd, partition_info, - ARRAY_SIZE(partition_info)); - } else { - iounmap(drvdata->regs); - kfree(drvdata); - printk(KERN_ERR "%s: device scan failed\n", module_id); - return -EIO; - } - return 0; -} - -static struct platform_driver excite_nand_driver = { - .driver = { - .name = "excite_nand", - .owner = THIS_MODULE, - }, - .probe = excite_nand_probe, - .remove = __devexit_p(excite_nand_remove) -}; - -static int __init excite_nand_init(void) -{ - pr_info("Basler eXcite nand flash driver Version " - EXCITE_NANDFLASH_VERSION "\n"); - return platform_driver_register(&excite_nand_driver); -} - -static void __exit excite_nand_exit(void) -{ - platform_driver_unregister(&excite_nand_driver); -} - -module_init(excite_nand_init); -module_exit(excite_nand_exit); - -MODULE_AUTHOR("Thomas Koeller <thomas.koeller@baslerweb.com>"); -MODULE_DESCRIPTION("Basler eXcite NAND-Flash driver"); -MODULE_LICENSE("GPL"); -MODULE_VERSION(EXCITE_NANDFLASH_VERSION) diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig index a5be9ac6405..e58a65391ad 100644 --- a/drivers/net/Kconfig +++ b/drivers/net/Kconfig @@ -1953,6 +1953,8 @@ config BCM63XX_ENET source "drivers/net/fs_enet/Kconfig" +source "drivers/net/octeon/Kconfig" + endif # NET_ETHERNET # diff --git a/drivers/net/Makefile b/drivers/net/Makefile index 246323d7f16..ad1346dd9da 100644 --- a/drivers/net/Makefile +++ b/drivers/net/Makefile @@ -285,3 +285,5 @@ obj-$(CONFIG_VIRTIO_NET) += virtio_net.o obj-$(CONFIG_SFC) += sfc/ obj-$(CONFIG_WIMAX) += wimax/ + +obj-$(CONFIG_OCTEON_MGMT_ETHERNET) += octeon/ diff --git a/drivers/net/octeon/Kconfig b/drivers/net/octeon/Kconfig new file mode 100644 index 00000000000..1e56bbf3f5c --- /dev/null +++ b/drivers/net/octeon/Kconfig @@ -0,0 +1,10 @@ +config OCTEON_MGMT_ETHERNET + tristate "Octeon Management port ethernet driver (CN5XXX, CN6XXX)" + depends on CPU_CAVIUM_OCTEON + select PHYLIB + select MDIO_OCTEON + default y + help + This option enables the ethernet driver for the management + port on Cavium Networks' Octeon CN57XX, CN56XX, CN55XX, + CN54XX, CN52XX, and CN6XXX chips. diff --git a/drivers/net/octeon/Makefile b/drivers/net/octeon/Makefile new file mode 100644 index 00000000000..906edecacfd --- /dev/null +++ b/drivers/net/octeon/Makefile @@ -0,0 +1,2 @@ + +obj-$(CONFIG_OCTEON_MGMT_ETHERNET) += octeon_mgmt.o diff --git a/drivers/net/octeon/octeon_mgmt.c b/drivers/net/octeon/octeon_mgmt.c new file mode 100644 index 00000000000..050538bf155 --- /dev/null +++ b/drivers/net/octeon/octeon_mgmt.c @@ -0,0 +1,1176 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2009 Cavium Networks + */ + +#include <linux/capability.h> +#include <linux/dma-mapping.h> +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/netdevice.h> +#include <linux/etherdevice.h> +#include <linux/if_vlan.h> +#include <linux/phy.h> +#include <linux/spinlock.h> + +#include <asm/octeon/octeon.h> +#include <asm/octeon/cvmx-mixx-defs.h> +#include <asm/octeon/cvmx-agl-defs.h> + +#define DRV_NAME "octeon_mgmt" +#define DRV_VERSION "2.0" +#define DRV_DESCRIPTION \ + "Cavium Networks Octeon MII (management) port Network Driver" + +#define OCTEON_MGMT_NAPI_WEIGHT 16 + +/* + * Ring sizes that are powers of two allow for more efficient modulo + * opertions. + */ +#define OCTEON_MGMT_RX_RING_SIZE 512 +#define OCTEON_MGMT_TX_RING_SIZE 128 + +/* Allow 8 bytes for vlan and FCS. */ +#define OCTEON_MGMT_RX_HEADROOM (ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN) + +union mgmt_port_ring_entry { + u64 d64; + struct { + u64 reserved_62_63:2; + /* Length of the buffer/packet in bytes */ + u64 len:14; + /* For TX, signals that the packet should be timestamped */ + u64 tstamp:1; + /* The RX error code */ + u64 code:7; +#define RING_ENTRY_CODE_DONE 0xf +#define RING_ENTRY_CODE_MORE 0x10 + /* Physical address of the buffer */ + u64 addr:40; + } s; +}; + +struct octeon_mgmt { + struct net_device *netdev; + int port; + int irq; + u64 *tx_ring; + dma_addr_t tx_ring_handle; + unsigned int tx_next; + unsigned int tx_next_clean; + unsigned int tx_current_fill; + /* The tx_list lock also protects the ring related variables */ + struct sk_buff_head tx_list; + + /* RX variables only touched in napi_poll. No locking necessary. */ + u64 *rx_ring; + dma_addr_t rx_ring_handle; + unsigned int rx_next; + unsigned int rx_next_fill; + unsigned int rx_current_fill; + struct sk_buff_head rx_list; + + spinlock_t lock; + unsigned int last_duplex; + unsigned int last_link; + struct device *dev; + struct napi_struct napi; + struct tasklet_struct tx_clean_tasklet; + struct phy_device *phydev; +}; + +static void octeon_mgmt_set_rx_irq(struct octeon_mgmt *p, int enable) +{ + int port = p->port; + union cvmx_mixx_intena mix_intena; + unsigned long flags; + + spin_lock_irqsave(&p->lock, flags); + mix_intena.u64 = cvmx_read_csr(CVMX_MIXX_INTENA(port)); + mix_intena.s.ithena = enable ? 1 : 0; + cvmx_write_csr(CVMX_MIXX_INTENA(port), mix_intena.u64); + spin_unlock_irqrestore(&p->lock, flags); +} + +static void octeon_mgmt_set_tx_irq(struct octeon_mgmt *p, int enable) +{ + int port = p->port; + union cvmx_mixx_intena mix_intena; + unsigned long flags; + + spin_lock_irqsave(&p->lock, flags); + mix_intena.u64 = cvmx_read_csr(CVMX_MIXX_INTENA(port)); + mix_intena.s.othena = enable ? 1 : 0; + cvmx_write_csr(CVMX_MIXX_INTENA(port), mix_intena.u64); + spin_unlock_irqrestore(&p->lock, flags); +} + +static inline void octeon_mgmt_enable_rx_irq(struct octeon_mgmt *p) +{ + octeon_mgmt_set_rx_irq(p, 1); +} + +static inline void octeon_mgmt_disable_rx_irq(struct octeon_mgmt *p) +{ + octeon_mgmt_set_rx_irq(p, 0); +} + +static inline void octeon_mgmt_enable_tx_irq(struct octeon_mgmt *p) +{ + octeon_mgmt_set_tx_irq(p, 1); +} + +static inline void octeon_mgmt_disable_tx_irq(struct octeon_mgmt *p) +{ + octeon_mgmt_set_tx_irq(p, 0); +} + +static unsigned int ring_max_fill(unsigned int ring_size) +{ + return ring_size - 8; +} + +static unsigned int ring_size_to_bytes(unsigned int ring_size) +{ + return ring_size * sizeof(union mgmt_port_ring_entry); +} + +static void octeon_mgmt_rx_fill_ring(struct net_device *netdev) +{ + struct octeon_mgmt *p = netdev_priv(netdev); + int port = p->port; + + while (p->rx_current_fill < ring_max_fill(OCTEON_MGMT_RX_RING_SIZE)) { + unsigned int size; + union mgmt_port_ring_entry re; + struct sk_buff *skb; + + /* CN56XX pass 1 needs 8 bytes of padding. */ + size = netdev->mtu + OCTEON_MGMT_RX_HEADROOM + 8 + NET_IP_ALIGN; + + skb = netdev_alloc_skb(netdev, size); + if (!skb) + break; + skb_reserve(skb, NET_IP_ALIGN); + __skb_queue_tail(&p->rx_list, skb); + + re.d64 = 0; + re.s.len = size; + re.s.addr = dma_map_single(p->dev, skb->data, + size, + DMA_FROM_DEVICE); + + /* Put it in the ring. */ + p->rx_ring[p->rx_next_fill] = re.d64; + dma_sync_single_for_device(p->dev, p->rx_ring_handle, + ring_size_to_bytes(OCTEON_MGMT_RX_RING_SIZE), + DMA_BIDIRECTIONAL); + p->rx_next_fill = + (p->rx_next_fill + 1) % OCTEON_MGMT_RX_RING_SIZE; + p->rx_current_fill++; + /* Ring the bell. */ + cvmx_write_csr(CVMX_MIXX_IRING2(port), 1); + } +} + +static void octeon_mgmt_clean_tx_buffers(struct octeon_mgmt *p) +{ + int port = p->port; + union cvmx_mixx_orcnt mix_orcnt; + union mgmt_port_ring_entry re; + struct sk_buff *skb; + int cleaned = 0; + unsigned long flags; + + mix_orcnt.u64 = cvmx_read_csr(CVMX_MIXX_ORCNT(port)); + while (mix_orcnt.s.orcnt) { + dma_sync_single_for_cpu(p->dev, p->tx_ring_handle, + ring_size_to_bytes(OCTEON_MGMT_TX_RING_SIZE), + DMA_BIDIRECTIONAL); + + spin_lock_irqsave(&p->tx_list.lock, flags); + + re.d64 = p->tx_ring[p->tx_next_clean]; + p->tx_next_clean = + (p->tx_next_clean + 1) % OCTEON_MGMT_TX_RING_SIZE; + skb = __skb_dequeue(&p->tx_list); + + mix_orcnt.u64 = 0; + mix_orcnt.s.orcnt = 1; + + /* Acknowledge to hardware that we have the buffer. */ + cvmx_write_csr(CVMX_MIXX_ORCNT(port), mix_orcnt.u64); + p->tx_current_fill--; + + spin_unlock_irqrestore(&p->tx_list.lock, flags); + + dma_unmap_single(p->dev, re.s.addr, re.s.len, + DMA_TO_DEVICE); + dev_kfree_skb_any(skb); + cleaned++; + + mix_orcnt.u64 = cvmx_read_csr(CVMX_MIXX_ORCNT(port)); + } + + if (cleaned && netif_queue_stopped(p->netdev)) + netif_wake_queue(p->netdev); +} + +static void octeon_mgmt_clean_tx_tasklet(unsigned long arg) +{ + struct octeon_mgmt *p = (struct octeon_mgmt *)arg; + octeon_mgmt_clean_tx_buffers(p); + octeon_mgmt_enable_tx_irq(p); +} + +static void octeon_mgmt_update_rx_stats(struct net_device *netdev) +{ + struct octeon_mgmt *p = netdev_priv(netdev); + int port = p->port; + unsigned long flags; + u64 drop, bad; + + /* These reads also clear the count registers. */ + drop = cvmx_read_csr(CVMX_AGL_GMX_RXX_STATS_PKTS_DRP(port)); + bad = cvmx_read_csr(CVMX_AGL_GMX_RXX_STATS_PKTS_BAD(port)); + + if (drop || bad) { + /* Do an atomic update. */ + spin_lock_irqsave(&p->lock, flags); + netdev->stats.rx_errors += bad; + netdev->stats.rx_dropped += drop; + spin_unlock_irqrestore(&p->lock, flags); + } +} + +static void octeon_mgmt_update_tx_stats(struct net_device *netdev) +{ + struct octeon_mgmt *p = netdev_priv(netdev); + int port = p->port; + unsigned long flags; + + union cvmx_agl_gmx_txx_stat0 s0; + union cvmx_agl_gmx_txx_stat1 s1; + + /* These reads also clear the count registers. */ + s0.u64 = cvmx_read_csr(CVMX_AGL_GMX_TXX_STAT0(port)); + s1.u64 = cvmx_read_csr(CVMX_AGL_GMX_TXX_STAT1(port)); + + if (s0.s.xsdef || s0.s.xscol || s1.s.scol || s1.s.mcol) { + /* Do an atomic update. */ + spin_lock_irqsave(&p->lock, flags); + netdev->stats.tx_errors += s0.s.xsdef + s0.s.xscol; + netdev->stats.collisions += s1.s.scol + s1.s.mcol; + spin_unlock_irqrestore(&p->lock, flags); + } +} + +/* + * Dequeue a receive skb and its corresponding ring entry. The ring + * entry is returned, *pskb is updated to point to the skb. + */ +static u64 octeon_mgmt_dequeue_rx_buffer(struct octeon_mgmt *p, + struct sk_buff **pskb) +{ + union mgmt_port_ring_entry re; + + dma_sync_single_for_cpu(p->dev, p->rx_ring_handle, + ring_size_to_bytes(OCTEON_MGMT_RX_RING_SIZE), + DMA_BIDIRECTIONAL); + + re.d64 = p->rx_ring[p->rx_next]; + p->rx_next = (p->rx_next + 1) % OCTEON_MGMT_RX_RING_SIZE; + p->rx_current_fill--; + *pskb = __skb_dequeue(&p->rx_list); + + dma_unmap_single(p->dev, re.s.addr, + ETH_FRAME_LEN + OCTEON_MGMT_RX_HEADROOM, + DMA_FROM_DEVICE); + + return re.d64; +} + + +static int octeon_mgmt_receive_one(struct octeon_mgmt *p) +{ + int port = p->port; + struct net_device *netdev = p->netdev; + union cvmx_mixx_ircnt mix_ircnt; + union mgmt_port_ring_entry re; + struct sk_buff *skb; + struct sk_buff *skb2; + struct sk_buff *skb_new; + union mgmt_port_ring_entry re2; + int rc = 1; + + + re.d64 = octeon_mgmt_dequeue_rx_buffer(p, &skb); + if (likely(re.s.code == RING_ENTRY_CODE_DONE)) { + /* A good packet, send it up. */ + skb_put(skb, re.s.len); +good: + skb->protocol = eth_type_trans(skb, netdev); + netdev->stats.rx_packets++; + netdev->stats.rx_bytes += skb->len; + netdev->last_rx = jiffies; + netif_receive_skb(skb); + rc = 0; + } else if (re.s.code == RING_ENTRY_CODE_MORE) { + /* + * Packet split across skbs. This can happen if we + * increase the MTU. Buffers that are already in the + * rx ring can then end up being too small. As the rx + * ring is refilled, buffers sized for the new MTU + * will be used and we should go back to the normal + * non-split case. + */ + skb_put(skb, re.s.len); + do { + re2.d64 = octeon_mgmt_dequeue_rx_buffer(p, &skb2); + if (re2.s.code != RING_ENTRY_CODE_MORE + && re2.s.code != RING_ENTRY_CODE_DONE) + goto split_error; + skb_put(skb2, re2.s.len); + skb_new = skb_copy_expand(skb, 0, skb2->len, + GFP_ATOMIC); + if (!skb_new) + goto split_error; + if (skb_copy_bits(skb2, 0, skb_tail_pointer(skb_new), + skb2->len)) + goto split_error; + skb_put(skb_new, skb2->len); + dev_kfree_skb_any(skb); + dev_kfree_skb_any(skb2); + skb = skb_new; + } while (re2.s.code == RING_ENTRY_CODE_MORE); + goto good; + } else { + /* Some other error, discard it. */ + dev_kfree_skb_any(skb); + /* + * Error statistics are accumulated in + * octeon_mgmt_update_rx_stats. + */ + } + goto done; +split_error: + /* Discard the whole mess. */ + dev_kfree_skb_any(skb); + dev_kfree_skb_any(skb2); + while (re2.s.code == RING_ENTRY_CODE_MORE) { + re2.d64 = octeon_mgmt_dequeue_rx_buffer(p, &skb2); + dev_kfree_skb_any(skb2); + } + netdev->stats.rx_errors++; + +done: + /* Tell the hardware we processed a packet. */ + mix_ircnt.u64 = 0; + mix_ircnt.s.ircnt = 1; + cvmx_write_csr(CVMX_MIXX_IRCNT(port), mix_ircnt.u64); + return rc; + +} + +static int octeon_mgmt_receive_packets(struct octeon_mgmt *p, int budget) +{ + int port = p->port; + unsigned int work_done = 0; + union cvmx_mixx_ircnt mix_ircnt; + int rc; + + + mix_ircnt.u64 = cvmx_read_csr(CVMX_MIXX_IRCNT(port)); + while (work_done < budget && mix_ircnt.s.ircnt) { + + rc = octeon_mgmt_receive_one(p); + if (!rc) + work_done++; + + /* Check for more packets. */ + mix_ircnt.u64 = cvmx_read_csr(CVMX_MIXX_IRCNT(port)); + } + + octeon_mgmt_rx_fill_ring(p->netdev); + + return work_done; +} + +static int octeon_mgmt_napi_poll(struct napi_struct *napi, int budget) +{ + struct octeon_mgmt *p = container_of(napi, struct octeon_mgmt, napi); + struct net_device *netdev = p->netdev; + unsigned int work_done = 0; + + work_done = octeon_mgmt_receive_packets(p, budget); + + if (work_done < budget) { + /* We stopped because no more packets were available. */ + napi_complete(napi); + octeon_mgmt_enable_rx_irq(p); + } + octeon_mgmt_update_rx_stats(netdev); + + return work_done; +} + +/* Reset the hardware to clean state. */ +static void octeon_mgmt_reset_hw(struct octeon_mgmt *p) +{ + union cvmx_mixx_ctl mix_ctl; + union cvmx_mixx_bist mix_bist; + union cvmx_agl_gmx_bist agl_gmx_bist; + + mix_ctl.u64 = 0; + cvmx_write_csr(CVMX_MIXX_CTL(p->port), mix_ctl.u64); + do { + mix_ctl.u64 = cvmx_read_csr(CVMX_MIXX_CTL(p->port)); + } while (mix_ctl.s.busy); + mix_ctl.s.reset = 1; + cvmx_write_csr(CVMX_MIXX_CTL(p->port), mix_ctl.u64); + cvmx_read_csr(CVMX_MIXX_CTL(p->port)); + cvmx_wait(64); + + mix_bist.u64 = cvmx_read_csr(CVMX_MIXX_BIST(p->port)); + if (mix_bist.u64) + dev_warn(p->dev, "MIX failed BIST (0x%016llx)\n", + (unsigned long long)mix_bist.u64); + + agl_gmx_bist.u64 = cvmx_read_csr(CVMX_AGL_GMX_BIST); + if (agl_gmx_bist.u64) + dev_warn(p->dev, "AGL failed BIST (0x%016llx)\n", + (unsigned long long)agl_gmx_bist.u64); +} + +struct octeon_mgmt_cam_state { + u64 cam[6]; + u64 cam_mask; + int cam_index; +}; + +static void octeon_mgmt_cam_state_add(struct octeon_mgmt_cam_state *cs, + unsigned char *addr) +{ + int i; + + for (i = 0; i < 6; i++) + cs->cam[i] |= (u64)addr[i] << (8 * (cs->cam_index)); + cs->cam_mask |= (1ULL << cs->cam_index); + cs->cam_index++; +} + +static void octeon_mgmt_set_rx_filtering(struct net_device *netdev) +{ + struct octeon_mgmt *p = netdev_priv(netdev); + int port = p->port; + int i; + union cvmx_agl_gmx_rxx_adr_ctl adr_ctl; + union cvmx_agl_gmx_prtx_cfg agl_gmx_prtx; + unsigned long flags; + unsigned int prev_packet_enable; + unsigned int cam_mode = 1; /* 1 - Accept on CAM match */ + unsigned int multicast_mode = 1; /* 1 - Reject all multicast. */ + struct octeon_mgmt_cam_state cam_state; + struct dev_addr_list *list; + struct list_head *pos; + int available_cam_entries; + + memset(&cam_state, 0, sizeof(cam_state)); + + if ((netdev->flags & IFF_PROMISC) || netdev->dev_addrs.count > 7) { + cam_mode = 0; + available_cam_entries = 8; + } else { + /* + * One CAM entry for the primary address, leaves seven + * for the secondary addresses. + */ + available_cam_entries = 7 - netdev->dev_addrs.count; + } + + if (netdev->flags & IFF_MULTICAST) { + if (cam_mode == 0 || (netdev->flags & IFF_ALLMULTI) + || netdev->mc_count > available_cam_entries) + multicast_mode = 2; /* 1 - Accept all multicast. */ + else + multicast_mode = 0; /* 0 - Use CAM. */ + } + + if (cam_mode == 1) { + /* Add primary address. */ + octeon_mgmt_cam_state_add(&cam_state, netdev->dev_addr); + list_for_each(pos, &netdev->dev_addrs.list) { + struct netdev_hw_addr *hw_addr; + hw_addr = list_entry(pos, struct netdev_hw_addr, list); + octeon_mgmt_cam_state_add(&cam_state, hw_addr->addr); + list = list->next; + } + } + if (multicast_mode == 0) { + i = netdev->mc_count; + list = netdev->mc_list; + while (i--) { + octeon_mgmt_cam_state_add(&cam_state, list->da_addr); + list = list->next; + } + } + + + spin_lock_irqsave(&p->lock, flags); + + /* Disable packet I/O. */ + agl_gmx_prtx.u64 = cvmx_read_csr(CVMX_AGL_GMX_PRTX_CFG(port)); + prev_packet_enable = agl_gmx_prtx.s.en; + agl_gmx_prtx.s.en = 0; + cvmx_write_csr(CVMX_AGL_GMX_PRTX_CFG(port), agl_gmx_prtx.u64); + + + adr_ctl.u64 = 0; + adr_ctl.s.cam_mode = cam_mode; + adr_ctl.s.mcst = multicast_mode; + adr_ctl.s.bcst = 1; /* Allow broadcast */ + + cvmx_write_csr(CVMX_AGL_GMX_RXX_ADR_CTL(port), adr_ctl.u64); + + cvmx_write_csr(CVMX_AGL_GMX_RXX_ADR_CAM0(port), cam_state.cam[0]); + cvmx_write_csr(CVMX_AGL_GMX_RXX_ADR_CAM1(port), cam_state.cam[1]); + cvmx_write_csr(CVMX_AGL_GMX_RXX_ADR_CAM2(port), cam_state.cam[2]); + cvmx_write_csr(CVMX_AGL_GMX_RXX_ADR_CAM3(port), cam_state.cam[3]); + cvmx_write_csr(CVMX_AGL_GMX_RXX_ADR_CAM4(port), cam_state.cam[4]); + cvmx_write_csr(CVMX_AGL_GMX_RXX_ADR_CAM5(port), cam_state.cam[5]); + cvmx_write_csr(CVMX_AGL_GMX_RXX_ADR_CAM_EN(port), cam_state.cam_mask); + + /* Restore packet I/O. */ + agl_gmx_prtx.s.en = prev_packet_enable; + cvmx_write_csr(CVMX_AGL_GMX_PRTX_CFG(port), agl_gmx_prtx.u64); + + spin_unlock_irqrestore(&p->lock, flags); +} + +static int octeon_mgmt_set_mac_address(struct net_device *netdev, void *addr) +{ + struct sockaddr *sa = addr; + + if (!is_valid_ether_addr(sa->sa_data)) + return -EADDRNOTAVAIL; + + memcpy(netdev->dev_addr, sa->sa_data, ETH_ALEN); + + octeon_mgmt_set_rx_filtering(netdev); + + return 0; +} + +static int octeon_mgmt_change_mtu(struct net_device *netdev, int new_mtu) +{ + struct octeon_mgmt *p = netdev_priv(netdev); + int port = p->port; + int size_without_fcs = new_mtu + OCTEON_MGMT_RX_HEADROOM; + + /* + * Limit the MTU to make sure the ethernet packets are between + * 64 bytes and 16383 bytes. + */ + if (size_without_fcs < 64 || size_without_fcs > 16383) { + dev_warn(p->dev, "MTU must be between %d and %d.\n", + 64 - OCTEON_MGMT_RX_HEADROOM, + 16383 - OCTEON_MGMT_RX_HEADROOM); + return -EINVAL; + } + + netdev->mtu = new_mtu; + + cvmx_write_csr(CVMX_AGL_GMX_RXX_FRM_MAX(port), size_without_fcs); + cvmx_write_csr(CVMX_AGL_GMX_RXX_JABBER(port), + (size_without_fcs + 7) & 0xfff8); + + return 0; +} + +static irqreturn_t octeon_mgmt_interrupt(int cpl, void *dev_id) +{ + struct net_device *netdev = dev_id; + struct octeon_mgmt *p = netdev_priv(netdev); + int port = p->port; + union cvmx_mixx_isr mixx_isr; + + mixx_isr.u64 = cvmx_read_csr(CVMX_MIXX_ISR(port)); + + /* Clear any pending interrupts */ + cvmx_write_csr(CVMX_MIXX_ISR(port), + cvmx_read_csr(CVMX_MIXX_ISR(port))); + cvmx_read_csr(CVMX_MIXX_ISR(port)); + + if (mixx_isr.s.irthresh) { + octeon_mgmt_disable_rx_irq(p); + napi_schedule(&p->napi); + } + if (mixx_isr.s.orthresh) { + octeon_mgmt_disable_tx_irq(p); + tasklet_schedule(&p->tx_clean_tasklet); + } + + return IRQ_HANDLED; +} + +static int octeon_mgmt_ioctl(struct net_device *netdev, + struct ifreq *rq, int cmd) +{ + struct octeon_mgmt *p = netdev_priv(netdev); + + if (!netif_running(netdev)) + return -EINVAL; + + if (!p->phydev) + return -EINVAL; + + return phy_mii_ioctl(p->phydev, if_mii(rq), cmd); +} + +static void octeon_mgmt_adjust_link(struct net_device *netdev) +{ + struct octeon_mgmt *p = netdev_priv(netdev); + int port = p->port; + union cvmx_agl_gmx_prtx_cfg prtx_cfg; + unsigned long flags; + int link_changed = 0; + + spin_lock_irqsave(&p->lock, flags); + if (p->phydev->link) { + if (!p->last_link) + link_changed = 1; + if (p->last_duplex != p->phydev->duplex) { + p->last_duplex = p->phydev->duplex; + prtx_cfg.u64 = + cvmx_read_csr(CVMX_AGL_GMX_PRTX_CFG(port)); + prtx_cfg.s.duplex = p->phydev->duplex; + cvmx_write_csr(CVMX_AGL_GMX_PRTX_CFG(port), + prtx_cfg.u64); + } + } else { + if (p->last_link) + link_changed = -1; + } + p->last_link = p->phydev->link; + spin_unlock_irqrestore(&p->lock, flags); + + if (link_changed != 0) { + if (link_changed > 0) { + netif_carrier_on(netdev); + pr_info("%s: Link is up - %d/%s\n", netdev->name, + p->phydev->speed, + DUPLEX_FULL == p->phydev->duplex ? + "Full" : "Half"); + } else { + netif_carrier_off(netdev); + pr_info("%s: Link is down\n", netdev->name); + } + } +} + +static int octeon_mgmt_init_phy(struct net_device *netdev) +{ + struct octeon_mgmt *p = netdev_priv(netdev); + char phy_id[20]; + + if (octeon_is_simulation()) { + /* No PHYs in the simulator. */ + netif_carrier_on(netdev); + return 0; + } + + snprintf(phy_id, sizeof(phy_id), PHY_ID_FMT, "0", p->port); + + p->phydev = phy_connect(netdev, phy_id, octeon_mgmt_adjust_link, 0, + PHY_INTERFACE_MODE_MII); + + if (IS_ERR(p->phydev)) { + p->phydev = NULL; + return -1; + } + + phy_start_aneg(p->phydev); + + return 0; +} + +static int octeon_mgmt_open(struct net_device *netdev) +{ + struct octeon_mgmt *p = netdev_priv(netdev); + int port = p->port; + union cvmx_mixx_ctl mix_ctl; + union cvmx_agl_gmx_inf_mode agl_gmx_inf_mode; + union cvmx_mixx_oring1 oring1; + union cvmx_mixx_iring1 iring1; + union cvmx_agl_gmx_prtx_cfg prtx_cfg; + union cvmx_agl_gmx_rxx_frm_ctl rxx_frm_ctl; + union cvmx_mixx_irhwm mix_irhwm; + union cvmx_mixx_orhwm mix_orhwm; + union cvmx_mixx_intena mix_intena; + struct sockaddr sa; + + /* Allocate ring buffers. */ + p->tx_ring = kzalloc(ring_size_to_bytes(OCTEON_MGMT_TX_RING_SIZE), + GFP_KERNEL); + if (!p->tx_ring) + return -ENOMEM; + p->tx_ring_handle = + dma_map_single(p->dev, p->tx_ring, + ring_size_to_bytes(OCTEON_MGMT_TX_RING_SIZE), + DMA_BIDIRECTIONAL); + p->tx_next = 0; + p->tx_next_clean = 0; + p->tx_current_fill = 0; + + + p->rx_ring = kzalloc(ring_size_to_bytes(OCTEON_MGMT_RX_RING_SIZE), + GFP_KERNEL); + if (!p->rx_ring) + goto err_nomem; + p->rx_ring_handle = + dma_map_single(p->dev, p->rx_ring, + ring_size_to_bytes(OCTEON_MGMT_RX_RING_SIZE), + DMA_BIDIRECTIONAL); + + p->rx_next = 0; + p->rx_next_fill = 0; + p->rx_current_fill = 0; + + octeon_mgmt_reset_hw(p); + + mix_ctl.u64 = cvmx_read_csr(CVMX_MIXX_CTL(port)); + + /* Bring it out of reset if needed. */ + if (mix_ctl.s.reset) { + mix_ctl.s.reset = 0; + cvmx_write_csr(CVMX_MIXX_CTL(port), mix_ctl.u64); + do { + mix_ctl.u64 = cvmx_read_csr(CVMX_MIXX_CTL(port)); + } while (mix_ctl.s.reset); + } + + agl_gmx_inf_mode.u64 = 0; + agl_gmx_inf_mode.s.en = 1; + cvmx_write_csr(CVMX_AGL_GMX_INF_MODE, agl_gmx_inf_mode.u64); + + oring1.u64 = 0; + oring1.s.obase = p->tx_ring_handle >> 3; + oring1.s.osize = OCTEON_MGMT_TX_RING_SIZE; + cvmx_write_csr(CVMX_MIXX_ORING1(port), oring1.u64); + + iring1.u64 = 0; + iring1.s.ibase = p->rx_ring_handle >> 3; + iring1.s.isize = OCTEON_MGMT_RX_RING_SIZE; + cvmx_write_csr(CVMX_MIXX_IRING1(port), iring1.u64); + + /* Disable packet I/O. */ + prtx_cfg.u64 = cvmx_read_csr(CVMX_AGL_GMX_PRTX_CFG(port)); + prtx_cfg.s.en = 0; + cvmx_write_csr(CVMX_AGL_GMX_PRTX_CFG(port), prtx_cfg.u64); + + memcpy(sa.sa_data, netdev->dev_addr, ETH_ALEN); + octeon_mgmt_set_mac_address(netdev, &sa); + + octeon_mgmt_change_mtu(netdev, netdev->mtu); + + /* + * Enable the port HW. Packets are not allowed until + * cvmx_mgmt_port_enable() is called. + */ + mix_ctl.u64 = 0; + mix_ctl.s.crc_strip = 1; /* Strip the ending CRC */ + mix_ctl.s.en = 1; /* Enable the port */ + mix_ctl.s.nbtarb = 0; /* Arbitration mode */ + /* MII CB-request FIFO programmable high watermark */ + mix_ctl.s.mrq_hwm = 1; + cvmx_write_csr(CVMX_MIXX_CTL(port), mix_ctl.u64); + + if (OCTEON_IS_MODEL(OCTEON_CN56XX_PASS1_X) + || OCTEON_IS_MODEL(OCTEON_CN52XX_PASS1_X)) { + /* + * Force compensation values, as they are not + * determined properly by HW + */ + union cvmx_agl_gmx_drv_ctl drv_ctl; + + drv_ctl.u64 = cvmx_read_csr(CVMX_AGL_GMX_DRV_CTL); + if (port) { + drv_ctl.s.byp_en1 = 1; + drv_ctl.s.nctl1 = 6; + drv_ctl.s.pctl1 = 6; + } else { + drv_ctl.s.byp_en = 1; + drv_ctl.s.nctl = 6; + drv_ctl.s.pctl = 6; + } + cvmx_write_csr(CVMX_AGL_GMX_DRV_CTL, drv_ctl.u64); + } + + octeon_mgmt_rx_fill_ring(netdev); + + /* Clear statistics. */ + /* Clear on read. */ + cvmx_write_csr(CVMX_AGL_GMX_RXX_STATS_CTL(port), 1); + cvmx_write_csr(CVMX_AGL_GMX_RXX_STATS_PKTS_DRP(port), 0); + cvmx_write_csr(CVMX_AGL_GMX_RXX_STATS_PKTS_BAD(port), 0); + + cvmx_write_csr(CVMX_AGL_GMX_TXX_STATS_CTL(port), 1); + cvmx_write_csr(CVMX_AGL_GMX_TXX_STAT0(port), 0); + cvmx_write_csr(CVMX_AGL_GMX_TXX_STAT1(port), 0); + + /* Clear any pending interrupts */ + cvmx_write_csr(CVMX_MIXX_ISR(port), cvmx_read_csr(CVMX_MIXX_ISR(port))); + + if (request_irq(p->irq, octeon_mgmt_interrupt, 0, netdev->name, + netdev)) { + dev_err(p->dev, "request_irq(%d) failed.\n", p->irq); + goto err_noirq; + } + + /* Interrupt every single RX packet */ + mix_irhwm.u64 = 0; + mix_irhwm.s.irhwm = 0; + cvmx_write_csr(CVMX_MIXX_IRHWM(port), mix_irhwm.u64); + + /* Interrupt when we have 5 or more packets to clean. */ + mix_orhwm.u64 = 0; + mix_orhwm.s.orhwm = 5; + cvmx_write_csr(CVMX_MIXX_ORHWM(port), mix_orhwm.u64); + + /* Enable receive and transmit interrupts */ + mix_intena.u64 = 0; + mix_intena.s.ithena = 1; + mix_intena.s.othena = 1; + cvmx_write_csr(CVMX_MIXX_INTENA(port), mix_intena.u64); + + + /* Enable packet I/O. */ + + rxx_frm_ctl.u64 = 0; + rxx_frm_ctl.s.pre_align = 1; + /* + * When set, disables the length check for non-min sized pkts + * with padding in the client data. + */ + rxx_frm_ctl.s.pad_len = 1; + /* When set, disables the length check for VLAN pkts */ + rxx_frm_ctl.s.vlan_len = 1; + /* When set, PREAMBLE checking is less strict */ + rxx_frm_ctl.s.pre_free = 1; + /* Control Pause Frames can match station SMAC */ + rxx_frm_ctl.s.ctl_smac = 0; + /* Control Pause Frames can match globally assign Multicast address */ + rxx_frm_ctl.s.ctl_mcst = 1; + /* Forward pause information to TX block */ + rxx_frm_ctl.s.ctl_bck = 1; + /* Drop Control Pause Frames */ + rxx_frm_ctl.s.ctl_drp = 1; + /* Strip off the preamble */ + rxx_frm_ctl.s.pre_strp = 1; + /* + * This port is configured to send PREAMBLE+SFD to begin every + * frame. GMX checks that the PREAMBLE is sent correctly. + */ + rxx_frm_ctl.s.pre_chk = 1; + cvmx_write_csr(CVMX_AGL_GMX_RXX_FRM_CTL(port), rxx_frm_ctl.u64); + + /* Enable the AGL block */ + agl_gmx_inf_mode.u64 = 0; + agl_gmx_inf_mode.s.en = 1; + cvmx_write_csr(CVMX_AGL_GMX_INF_MODE, agl_gmx_inf_mode.u64); + + /* Configure the port duplex and enables */ + prtx_cfg.u64 = cvmx_read_csr(CVMX_AGL_GMX_PRTX_CFG(port)); + prtx_cfg.s.tx_en = 1; + prtx_cfg.s.rx_en = 1; + prtx_cfg.s.en = 1; + p->last_duplex = 1; + prtx_cfg.s.duplex = p->last_duplex; + cvmx_write_csr(CVMX_AGL_GMX_PRTX_CFG(port), prtx_cfg.u64); + + p->last_link = 0; + netif_carrier_off(netdev); + + if (octeon_mgmt_init_phy(netdev)) { + dev_err(p->dev, "Cannot initialize PHY.\n"); + goto err_noirq; + } + + netif_wake_queue(netdev); + napi_enable(&p->napi); + + return 0; +err_noirq: + octeon_mgmt_reset_hw(p); + dma_unmap_single(p->dev, p->rx_ring_handle, + ring_size_to_bytes(OCTEON_MGMT_RX_RING_SIZE), + DMA_BIDIRECTIONAL); + kfree(p->rx_ring); +err_nomem: + dma_unmap_single(p->dev, p->tx_ring_handle, + ring_size_to_bytes(OCTEON_MGMT_TX_RING_SIZE), + DMA_BIDIRECTIONAL); + kfree(p->tx_ring); + return -ENOMEM; +} + +static int octeon_mgmt_stop(struct net_device *netdev) +{ + struct octeon_mgmt *p = netdev_priv(netdev); + + napi_disable(&p->napi); + netif_stop_queue(netdev); + + if (p->phydev) + phy_disconnect(p->phydev); + + netif_carrier_off(netdev); + + octeon_mgmt_reset_hw(p); + + + free_irq(p->irq, netdev); + + /* dma_unmap is a nop on Octeon, so just free everything. */ + skb_queue_purge(&p->tx_list); + skb_queue_purge(&p->rx_list); + + dma_unmap_single(p->dev, p->rx_ring_handle, + ring_size_to_bytes(OCTEON_MGMT_RX_RING_SIZE), + DMA_BIDIRECTIONAL); + kfree(p->rx_ring); + + dma_unmap_single(p->dev, p->tx_ring_handle, + ring_size_to_bytes(OCTEON_MGMT_TX_RING_SIZE), + DMA_BIDIRECTIONAL); + kfree(p->tx_ring); + + + return 0; +} + +static int octeon_mgmt_xmit(struct sk_buff *skb, struct net_device *netdev) +{ + struct octeon_mgmt *p = netdev_priv(netdev); + int port = p->port; + union mgmt_port_ring_entry re; + unsigned long flags; + + re.d64 = 0; + re.s.len = skb->len; + re.s.addr = dma_map_single(p->dev, skb->data, + skb->len, + DMA_TO_DEVICE); + + spin_lock_irqsave(&p->tx_list.lock, flags); + + if (unlikely(p->tx_current_fill >= + ring_max_fill(OCTEON_MGMT_TX_RING_SIZE))) { + spin_unlock_irqrestore(&p->tx_list.lock, flags); + + dma_unmap_single(p->dev, re.s.addr, re.s.len, + DMA_TO_DEVICE); + + netif_stop_queue(netdev); + return NETDEV_TX_BUSY; + } + + __skb_queue_tail(&p->tx_list, skb); + + /* Put it in the ring. */ + p->tx_ring[p->tx_next] = re.d64; + p->tx_next = (p->tx_next + 1) % OCTEON_MGMT_TX_RING_SIZE; + p->tx_current_fill++; + + spin_unlock_irqrestore(&p->tx_list.lock, flags); + + dma_sync_single_for_device(p->dev, p->tx_ring_handle, + ring_size_to_bytes(OCTEON_MGMT_TX_RING_SIZE), + DMA_BIDIRECTIONAL); + + netdev->stats.tx_packets++; + netdev->stats.tx_bytes += skb->len; + + /* Ring the bell. */ + cvmx_write_csr(CVMX_MIXX_ORING2(port), 1); + + netdev->trans_start = jiffies; + octeon_mgmt_clean_tx_buffers(p); + octeon_mgmt_update_tx_stats(netdev); + return NETDEV_TX_OK; +} + +#ifdef CONFIG_NET_POLL_CONTROLLER +static void octeon_mgmt_poll_controller(struct net_device *netdev) +{ + struct octeon_mgmt *p = netdev_priv(netdev); + + octeon_mgmt_receive_packets(p, 16); + octeon_mgmt_update_rx_stats(netdev); + return; +} +#endif + +static void octeon_mgmt_get_drvinfo(struct net_device *netdev, + struct ethtool_drvinfo *info) +{ + strncpy(info->driver, DRV_NAME, sizeof(info->driver)); + strncpy(info->version, DRV_VERSION, sizeof(info->version)); + strncpy(info->fw_version, "N/A", sizeof(info->fw_version)); + strncpy(info->bus_info, "N/A", sizeof(info->bus_info)); + info->n_stats = 0; + info->testinfo_len = 0; + info->regdump_len = 0; + info->eedump_len = 0; +} + +static int octeon_mgmt_get_settings(struct net_device *netdev, + struct ethtool_cmd *cmd) +{ + struct octeon_mgmt *p = netdev_priv(netdev); + + if (p->phydev) + return phy_ethtool_gset(p->phydev, cmd); + + return -EINVAL; +} + +static int octeon_mgmt_set_settings(struct net_device *netdev, + struct ethtool_cmd *cmd) +{ + struct octeon_mgmt *p = netdev_priv(netdev); + + if (!capable(CAP_NET_ADMIN)) + return -EPERM; + + if (p->phydev) + return phy_ethtool_sset(p->phydev, cmd); + + return -EINVAL; +} + +static const struct ethtool_ops octeon_mgmt_ethtool_ops = { + .get_drvinfo = octeon_mgmt_get_drvinfo, + .get_link = ethtool_op_get_link, + .get_settings = octeon_mgmt_get_settings, + .set_settings = octeon_mgmt_set_settings +}; + +static const struct net_device_ops octeon_mgmt_ops = { + .ndo_open = octeon_mgmt_open, + .ndo_stop = octeon_mgmt_stop, + .ndo_start_xmit = octeon_mgmt_xmit, + .ndo_set_rx_mode = octeon_mgmt_set_rx_filtering, + .ndo_set_multicast_list = octeon_mgmt_set_rx_filtering, + .ndo_set_mac_address = octeon_mgmt_set_mac_address, + .ndo_do_ioctl = octeon_mgmt_ioctl, + .ndo_change_mtu = octeon_mgmt_change_mtu, +#ifdef CONFIG_NET_POLL_CONTROLLER + .ndo_poll_controller = octeon_mgmt_poll_controller, +#endif +}; + +static int __init octeon_mgmt_probe(struct platform_device *pdev) +{ + struct resource *res_irq; + struct net_device *netdev; + struct octeon_mgmt *p; + int i; + + netdev = alloc_etherdev(sizeof(struct octeon_mgmt)); + if (netdev == NULL) + return -ENOMEM; + + dev_set_drvdata(&pdev->dev, netdev); + p = netdev_priv(netdev); + netif_napi_add(netdev, &p->napi, octeon_mgmt_napi_poll, + OCTEON_MGMT_NAPI_WEIGHT); + + p->netdev = netdev; + p->dev = &pdev->dev; + + p->port = pdev->id; + snprintf(netdev->name, IFNAMSIZ, "mgmt%d", p->port); + + res_irq = platform_get_resource(pdev, IORESOURCE_IRQ, 0); + if (!res_irq) + goto err; + + p->irq = res_irq->start; + spin_lock_init(&p->lock); + + skb_queue_head_init(&p->tx_list); + skb_queue_head_init(&p->rx_list); + tasklet_init(&p->tx_clean_tasklet, + octeon_mgmt_clean_tx_tasklet, (unsigned long)p); + + netdev->netdev_ops = &octeon_mgmt_ops; + netdev->ethtool_ops = &octeon_mgmt_ethtool_ops; + + + /* The mgmt ports get the first N MACs. */ + for (i = 0; i < 6; i++) + netdev->dev_addr[i] = octeon_bootinfo->mac_addr_base[i]; + netdev->dev_addr[5] += p->port; + + if (p->port >= octeon_bootinfo->mac_addr_count) + dev_err(&pdev->dev, + "Error %s: Using MAC outside of the assigned range: " + "%02x:%02x:%02x:%02x:%02x:%02x\n", netdev->name, + netdev->dev_addr[0], netdev->dev_addr[1], + netdev->dev_addr[2], netdev->dev_addr[3], + netdev->dev_addr[4], netdev->dev_addr[5]); + + if (register_netdev(netdev)) + goto err; + + dev_info(&pdev->dev, "Version " DRV_VERSION "\n"); + return 0; +err: + free_netdev(netdev); + return -ENOENT; +} + +static int __exit octeon_mgmt_remove(struct platform_device *pdev) +{ + struct net_device *netdev = dev_get_drvdata(&pdev->dev); + + unregister_netdev(netdev); + free_netdev(netdev); + return 0; +} + +static struct platform_driver octeon_mgmt_driver = { + .driver = { + .name = "octeon_mgmt", + .owner = THIS_MODULE, + }, + .probe = octeon_mgmt_probe, + .remove = __exit_p(octeon_mgmt_remove), +}; + +extern void octeon_mdiobus_force_mod_depencency(void); + +static int __init octeon_mgmt_mod_init(void) +{ + /* Force our mdiobus driver module to be loaded first. */ + octeon_mdiobus_force_mod_depencency(); + return platform_driver_register(&octeon_mgmt_driver); +} + +static void __exit octeon_mgmt_mod_exit(void) +{ + platform_driver_unregister(&octeon_mgmt_driver); +} + +module_init(octeon_mgmt_mod_init); +module_exit(octeon_mgmt_mod_exit); + +MODULE_DESCRIPTION(DRV_DESCRIPTION); +MODULE_AUTHOR("David Daney"); +MODULE_LICENSE("GPL"); +MODULE_VERSION(DRV_VERSION); diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig index d5d8e1c5bc9..fc5938ba3d7 100644 --- a/drivers/net/phy/Kconfig +++ b/drivers/net/phy/Kconfig @@ -115,4 +115,15 @@ config MDIO_GPIO To compile this driver as a module, choose M here: the module will be called mdio-gpio. +config MDIO_OCTEON + tristate "Support for MDIO buses on Octeon SOCs" + depends on CPU_CAVIUM_OCTEON + default y + help + + This module provides a driver for the Octeon MDIO busses. + It is required by the Octeon Ethernet device drivers. + + If in doubt, say Y. + endif # PHYLIB diff --git a/drivers/net/phy/Makefile b/drivers/net/phy/Makefile index edfaac48cbd..1342585af38 100644 --- a/drivers/net/phy/Makefile +++ b/drivers/net/phy/Makefile @@ -20,3 +20,4 @@ obj-$(CONFIG_MDIO_BITBANG) += mdio-bitbang.o obj-$(CONFIG_MDIO_GPIO) += mdio-gpio.o obj-$(CONFIG_NATIONAL_PHY) += national.o obj-$(CONFIG_STE10XP) += ste10Xp.o +obj-$(CONFIG_MDIO_OCTEON) += mdio-octeon.o diff --git a/drivers/net/phy/mdio-octeon.c b/drivers/net/phy/mdio-octeon.c new file mode 100644 index 00000000000..61a4461cbda --- /dev/null +++ b/drivers/net/phy/mdio-octeon.c @@ -0,0 +1,180 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2009 Cavium Networks + */ + +#include <linux/init.h> +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/phy.h> + +#include <asm/octeon/octeon.h> +#include <asm/octeon/cvmx-smix-defs.h> + +#define DRV_VERSION "1.0" +#define DRV_DESCRIPTION "Cavium Networks Octeon SMI/MDIO driver" + +struct octeon_mdiobus { + struct mii_bus *mii_bus; + int unit; + int phy_irq[PHY_MAX_ADDR]; +}; + +static int octeon_mdiobus_read(struct mii_bus *bus, int phy_id, int regnum) +{ + struct octeon_mdiobus *p = bus->priv; + union cvmx_smix_cmd smi_cmd; + union cvmx_smix_rd_dat smi_rd; + int timeout = 1000; + + smi_cmd.u64 = 0; + smi_cmd.s.phy_op = 1; /* MDIO_CLAUSE_22_READ */ + smi_cmd.s.phy_adr = phy_id; + smi_cmd.s.reg_adr = regnum; + cvmx_write_csr(CVMX_SMIX_CMD(p->unit), smi_cmd.u64); + + do { + /* + * Wait 1000 clocks so we don't saturate the RSL bus + * doing reads. + */ + cvmx_wait(1000); + smi_rd.u64 = cvmx_read_csr(CVMX_SMIX_RD_DAT(p->unit)); + } while (smi_rd.s.pending && --timeout); + + if (smi_rd.s.val) + return smi_rd.s.dat; + else + return -EIO; +} + +static int octeon_mdiobus_write(struct mii_bus *bus, int phy_id, + int regnum, u16 val) +{ + struct octeon_mdiobus *p = bus->priv; + union cvmx_smix_cmd smi_cmd; + union cvmx_smix_wr_dat smi_wr; + int timeout = 1000; + + smi_wr.u64 = 0; + smi_wr.s.dat = val; + cvmx_write_csr(CVMX_SMIX_WR_DAT(p->unit), smi_wr.u64); + + smi_cmd.u64 = 0; + smi_cmd.s.phy_op = 0; /* MDIO_CLAUSE_22_WRITE */ + smi_cmd.s.phy_adr = phy_id; + smi_cmd.s.reg_adr = regnum; + cvmx_write_csr(CVMX_SMIX_CMD(p->unit), smi_cmd.u64); + + do { + /* + * Wait 1000 clocks so we don't saturate the RSL bus + * doing reads. + */ + cvmx_wait(1000); + smi_wr.u64 = cvmx_read_csr(CVMX_SMIX_WR_DAT(p->unit)); + } while (smi_wr.s.pending && --timeout); + + if (timeout <= 0) + return -EIO; + + return 0; +} + +static int __init octeon_mdiobus_probe(struct platform_device *pdev) +{ + struct octeon_mdiobus *bus; + int i; + int err = -ENOENT; + + bus = devm_kzalloc(&pdev->dev, sizeof(*bus), GFP_KERNEL); + if (!bus) + return -ENOMEM; + + /* The platform_device id is our unit number. */ + bus->unit = pdev->id; + + bus->mii_bus = mdiobus_alloc(); + + if (!bus->mii_bus) + goto err; + + /* + * Standard Octeon evaluation boards don't support phy + * interrupts, we need to poll. + */ + for (i = 0; i < PHY_MAX_ADDR; i++) + bus->phy_irq[i] = PHY_POLL; + + bus->mii_bus->priv = bus; + bus->mii_bus->irq = bus->phy_irq; + bus->mii_bus->name = "mdio-octeon"; + snprintf(bus->mii_bus->id, MII_BUS_ID_SIZE, "%x", bus->unit); + bus->mii_bus->parent = &pdev->dev; + + bus->mii_bus->read = octeon_mdiobus_read; + bus->mii_bus->write = octeon_mdiobus_write; + + dev_set_drvdata(&pdev->dev, bus); + + err = mdiobus_register(bus->mii_bus); + if (err) + goto err_register; + + dev_info(&pdev->dev, "Version " DRV_VERSION "\n"); + + return 0; +err_register: + mdiobus_free(bus->mii_bus); + +err: + devm_kfree(&pdev->dev, bus); + return err; +} + +static int __exit octeon_mdiobus_remove(struct platform_device *pdev) +{ + struct octeon_mdiobus *bus; + + bus = dev_get_drvdata(&pdev->dev); + + mdiobus_unregister(bus->mii_bus); + mdiobus_free(bus->mii_bus); + return 0; +} + +static struct platform_driver octeon_mdiobus_driver = { + .driver = { + .name = "mdio-octeon", + .owner = THIS_MODULE, + }, + .probe = octeon_mdiobus_probe, + .remove = __exit_p(octeon_mdiobus_remove), +}; + +void octeon_mdiobus_force_mod_depencency(void) +{ + /* Let ethernet drivers force us to be loaded. */ +} +EXPORT_SYMBOL(octeon_mdiobus_force_mod_depencency); + +static int __init octeon_mdiobus_mod_init(void) +{ + return platform_driver_register(&octeon_mdiobus_driver); +} + +static void __exit octeon_mdiobus_mod_exit(void) +{ + platform_driver_unregister(&octeon_mdiobus_driver); +} + +module_init(octeon_mdiobus_mod_init); +module_exit(octeon_mdiobus_mod_exit); + +MODULE_DESCRIPTION(DRV_DESCRIPTION); +MODULE_VERSION(DRV_VERSION); +MODULE_AUTHOR("David Daney"); +MODULE_LICENSE("GPL"); diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h index 675b7df632f..27ca859e745 100644 --- a/drivers/net/wireless/iwlwifi/iwl-core.h +++ b/drivers/net/wireless/iwlwifi/iwl-core.h @@ -63,7 +63,7 @@ #ifndef __iwl_core_h__ #define __iwl_core_h__ -#include <linux/utsrelease.h> +#include <generated/utsrelease.h> /************************ * forward declarations * diff --git a/drivers/pcmcia/pxa2xx_base.c b/drivers/pcmcia/pxa2xx_base.c index 3aabf1e3798..76e640bccde 100644 --- a/drivers/pcmcia/pxa2xx_base.c +++ b/drivers/pcmcia/pxa2xx_base.c @@ -291,7 +291,7 @@ static int pxa2xx_drv_pcmcia_probe(struct platform_device *dev) skt->nr = ops->first + i; skt->ops = ops; skt->socket.owner = ops->owner; - skt->socket.dev.parent = dev; + skt->socket.dev.parent = &dev->dev; skt->socket.pci_irq = NO_IRQ; ret = pxa2xx_drv_pcmcia_add_one(skt); @@ -304,8 +304,8 @@ static int pxa2xx_drv_pcmcia_probe(struct platform_device *dev) soc_pcmcia_remove_one(&sinfo->skt[i]); kfree(sinfo); } else { - pxa2xx_configure_sockets(dev); - dev_set_drvdata(dev, sinfo); + pxa2xx_configure_sockets(&dev->dev); + dev_set_drvdata(&dev->dev, sinfo); } return ret; diff --git a/drivers/platform/x86/compal-laptop.c b/drivers/platform/x86/compal-laptop.c index 11003bba10d..1a387e79f71 100644 --- a/drivers/platform/x86/compal-laptop.c +++ b/drivers/platform/x86/compal-laptop.c @@ -51,7 +51,6 @@ #include <linux/dmi.h> #include <linux/backlight.h> #include <linux/platform_device.h> -#include <linux/autoconf.h> #define COMPAL_DRIVER_VERSION "0.2.6" diff --git a/drivers/regulator/88pm8607.c b/drivers/regulator/88pm8607.c new file mode 100644 index 00000000000..04719551381 --- /dev/null +++ b/drivers/regulator/88pm8607.c @@ -0,0 +1,685 @@ +/* + * Regulators driver for Marvell 88PM8607 + * + * Copyright (C) 2009 Marvell International Ltd. + * Haojian Zhuang <haojian.zhuang@marvell.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/err.h> +#include <linux/platform_device.h> +#include <linux/regulator/driver.h> +#include <linux/regulator/machine.h> +#include <linux/mfd/88pm8607.h> + +struct pm8607_regulator_info { + struct regulator_desc desc; + struct pm8607_chip *chip; + struct regulator_dev *regulator; + + int min_uV; + int max_uV; + int step_uV; + int vol_reg; + int vol_shift; + int vol_nbits; + int update_reg; + int update_bit; + int enable_reg; + int enable_bit; + int slope_double; +}; + +static inline int check_range(struct pm8607_regulator_info *info, + int min_uV, int max_uV) +{ + if (max_uV < info->min_uV || min_uV > info->max_uV || min_uV > max_uV) + return -EINVAL; + + return 0; +} + +static int pm8607_list_voltage(struct regulator_dev *rdev, unsigned index) +{ + struct pm8607_regulator_info *info = rdev_get_drvdata(rdev); + uint8_t chip_id = info->chip->chip_id; + int ret = -EINVAL; + + switch (info->desc.id) { + case PM8607_ID_BUCK1: + ret = (index < 0x1d) ? (index * 25000 + 800000) : + ((index < 0x20) ? 1500000 : + ((index < 0x40) ? ((index - 0x20) * 25000) : + -EINVAL)); + break; + case PM8607_ID_BUCK3: + ret = (index < 0x3d) ? (index * 25000) : + ((index < 0x40) ? 1500000 : -EINVAL); + if (ret < 0) + break; + if (info->slope_double) + ret <<= 1; + break; + case PM8607_ID_LDO1: + ret = (index == 0) ? 1800000 : + ((index == 1) ? 1200000 : + ((index == 2) ? 2800000 : -EINVAL)); + break; + case PM8607_ID_LDO5: + ret = (index == 0) ? 2900000 : + ((index == 1) ? 3000000 : + ((index == 2) ? 3100000 : 3300000)); + break; + case PM8607_ID_LDO7: + case PM8607_ID_LDO8: + ret = (index < 3) ? (index * 50000 + 1800000) : + ((index < 8) ? (index * 50000 + 2550000) : + -EINVAL); + break; + case PM8607_ID_LDO12: + ret = (index < 2) ? (index * 100000 + 1800000) : + ((index < 7) ? (index * 100000 + 2500000) : + ((index == 7) ? 3300000 : 1200000)); + break; + case PM8607_ID_LDO2: + case PM8607_ID_LDO3: + case PM8607_ID_LDO9: + switch (chip_id) { + case PM8607_CHIP_A0: + case PM8607_CHIP_A1: + ret = (index < 3) ? (index * 50000 + 1800000) : + ((index < 8) ? (index * 50000 + 2550000) : + -EINVAL); + break; + case PM8607_CHIP_B0: + ret = (index < 3) ? (index * 50000 + 1800000) : + ((index < 7) ? (index * 50000 + 2550000) : + 3300000); + break; + } + break; + case PM8607_ID_LDO4: + switch (chip_id) { + case PM8607_CHIP_A0: + case PM8607_CHIP_A1: + ret = (index < 3) ? (index * 50000 + 1800000) : + ((index < 8) ? (index * 50000 + 2550000) : + -EINVAL); + break; + case PM8607_CHIP_B0: + ret = (index < 3) ? (index * 50000 + 1800000) : + ((index < 6) ? (index * 50000 + 2550000) : + ((index == 6) ? 2900000 : 3300000)); + break; + } + break; + case PM8607_ID_LDO6: + switch (chip_id) { + case PM8607_CHIP_A0: + case PM8607_CHIP_A1: + ret = (index < 3) ? (index * 50000 + 1800000) : + ((index < 8) ? (index * 50000 + 2450000) : + -EINVAL); + break; + case PM8607_CHIP_B0: + ret = (index < 2) ? (index * 50000 + 1800000) : + ((index < 7) ? (index * 50000 + 2500000) : + 3300000); + break; + } + break; + case PM8607_ID_LDO10: + switch (chip_id) { + case PM8607_CHIP_A0: + case PM8607_CHIP_A1: + ret = (index < 3) ? (index * 50000 + 1800000) : + ((index < 8) ? (index * 50000 + 2550000) : + 1200000); + break; + case PM8607_CHIP_B0: + ret = (index < 3) ? (index * 50000 + 1800000) : + ((index < 7) ? (index * 50000 + 2550000) : + ((index == 7) ? 3300000 : 1200000)); + break; + } + break; + case PM8607_ID_LDO14: + switch (chip_id) { + case PM8607_CHIP_A0: + case PM8607_CHIP_A1: + ret = (index < 3) ? (index * 50000 + 1800000) : + ((index < 8) ? (index * 50000 + 2550000) : + -EINVAL); + break; + case PM8607_CHIP_B0: + ret = (index < 2) ? (index * 50000 + 1800000) : + ((index < 7) ? (index * 50000 + 2600000) : + 3300000); + break; + } + break; + } + return ret; +} + +static int choose_voltage(struct regulator_dev *rdev, int min_uV, int max_uV) +{ + struct pm8607_regulator_info *info = rdev_get_drvdata(rdev); + uint8_t chip_id = info->chip->chip_id; + int val = -ENOENT; + int ret; + + switch (info->desc.id) { + case PM8607_ID_BUCK1: + if (min_uV >= 800000) /* 800mV ~ 1500mV / 25mV */ + val = (min_uV - 775001) / 25000; + else { /* 25mV ~ 775mV / 25mV */ + val = (min_uV + 249999) / 25000; + val += 32; + } + break; + case PM8607_ID_BUCK3: + if (info->slope_double) + min_uV = min_uV >> 1; + val = (min_uV + 249999) / 25000; /* 0mV ~ 1500mV / 25mV */ + + break; + case PM8607_ID_LDO1: + if (min_uV > 1800000) + val = 2; + else if (min_uV > 1200000) + val = 0; + else + val = 1; + break; + case PM8607_ID_LDO5: + if (min_uV > 3100000) + val = 3; + else /* 2900mV ~ 3100mV / 100mV */ + val = (min_uV - 2800001) / 100000; + break; + case PM8607_ID_LDO7: + case PM8607_ID_LDO8: + if (min_uV < 2700000) { /* 1800mV ~ 1900mV / 50mV */ + if (min_uV <= 1800000) + val = 0; /* 1800mv */ + else if (min_uV <= 1900000) + val = (min_uV - 1750001) / 50000; + else + val = 3; /* 2700mV */ + } else { /* 2700mV ~ 2900mV / 50mV */ + if (min_uV <= 2900000) { + val = (min_uV - 2650001) / 50000; + val += 3; + } else + val = -EINVAL; + } + break; + case PM8607_ID_LDO10: + if (min_uV > 2850000) + val = 7; + else if (min_uV <= 1200000) + val = 8; + else if (min_uV < 2700000) /* 1800mV ~ 1900mV / 50mV */ + val = (min_uV - 1750001) / 50000; + else { /* 2700mV ~ 2850mV / 50mV */ + val = (min_uV - 2650001) / 50000; + val += 3; + } + break; + case PM8607_ID_LDO12: + if (min_uV < 2700000) { /* 1800mV ~ 1900mV / 100mV */ + if (min_uV <= 1200000) + val = 8; /* 1200mV */ + else if (min_uV <= 1800000) + val = 0; /* 1800mV */ + else if (min_uV <= 1900000) + val = (min_uV - 1700001) / 100000; + else + val = 2; /* 2700mV */ + } else { /* 2700mV ~ 3100mV / 100mV */ + if (min_uV <= 3100000) { + val = (min_uV - 2600001) / 100000; + val += 2; + } else if (min_uV <= 3300000) + val = 7; + else + val = -EINVAL; + } + break; + case PM8607_ID_LDO2: + case PM8607_ID_LDO3: + case PM8607_ID_LDO9: + switch (chip_id) { + case PM8607_CHIP_A0: + case PM8607_CHIP_A1: + if (min_uV < 2700000) /* 1800mV ~ 1900mV / 50mV */ + if (min_uV <= 1800000) + val = 0; + else if (min_uV <= 1900000) + val = (min_uV - 1750001) / 50000; + else + val = 3; /* 2700mV */ + else { /* 2700mV ~ 2900mV / 50mV */ + if (min_uV <= 2900000) { + val = (min_uV - 2650001) / 50000; + val += 3; + } else + val = -EINVAL; + } + break; + case PM8607_CHIP_B0: + if (min_uV < 2700000) { /* 1800mV ~ 1900mV / 50mV */ + if (min_uV <= 1800000) + val = 0; + else if (min_uV <= 1900000) + val = (min_uV - 1750001) / 50000; + else + val = 3; /* 2700mV */ + } else { /* 2700mV ~ 2850mV / 50mV */ + if (min_uV <= 2850000) { + val = (min_uV - 2650001) / 50000; + val += 3; + } else if (min_uV <= 3300000) + val = 7; + else + val = -EINVAL; + } + break; + } + break; + case PM8607_ID_LDO4: + switch (chip_id) { + case PM8607_CHIP_A0: + case PM8607_CHIP_A1: + if (min_uV < 2700000) /* 1800mV ~ 1900mV / 50mV */ + if (min_uV <= 1800000) + val = 0; + else if (min_uV <= 1900000) + val = (min_uV - 1750001) / 50000; + else + val = 3; /* 2700mV */ + else { /* 2700mV ~ 2900mV / 50mV */ + if (min_uV <= 2900000) { + val = (min_uV - 2650001) / 50000; + val += 3; + } else + val = -EINVAL; + } + break; + case PM8607_CHIP_B0: + if (min_uV < 2700000) { /* 1800mV ~ 1900mV / 50mV */ + if (min_uV <= 1800000) + val = 0; + else if (min_uV <= 1900000) + val = (min_uV - 1750001) / 50000; + else + val = 3; /* 2700mV */ + } else { /* 2700mV ~ 2800mV / 50mV */ + if (min_uV <= 2850000) { + val = (min_uV - 2650001) / 50000; + val += 3; + } else if (min_uV <= 2900000) + val = 6; + else if (min_uV <= 3300000) + val = 7; + else + val = -EINVAL; + } + break; + } + break; + case PM8607_ID_LDO6: + switch (chip_id) { + case PM8607_CHIP_A0: + case PM8607_CHIP_A1: + if (min_uV < 2600000) { /* 1800mV ~ 1900mV / 50mV */ + if (min_uV <= 1800000) + val = 0; + else if (min_uV <= 1900000) + val = (min_uV - 1750001) / 50000; + else + val = 3; /* 2600mV */ + } else { /* 2600mV ~ 2800mV / 50mV */ + if (min_uV <= 2800000) { + val = (min_uV - 2550001) / 50000; + val += 3; + } else + val = -EINVAL; + } + break; + case PM8607_CHIP_B0: + if (min_uV < 2600000) { /* 1800mV ~ 1850mV / 50mV */ + if (min_uV <= 1800000) + val = 0; + else if (min_uV <= 1850000) + val = (min_uV - 1750001) / 50000; + else + val = 2; /* 2600mV */ + } else { /* 2600mV ~ 2800mV / 50mV */ + if (min_uV <= 2800000) { + val = (min_uV - 2550001) / 50000; + val += 2; + } else if (min_uV <= 3300000) + val = 7; + else + val = -EINVAL; + } + break; + } + break; + case PM8607_ID_LDO14: + switch (chip_id) { + case PM8607_CHIP_A0: + case PM8607_CHIP_A1: + if (min_uV < 2700000) { /* 1800mV ~ 1900mV / 50mV */ + if (min_uV <= 1800000) + val = 0; + else if (min_uV <= 1900000) + val = (min_uV - 1750001) / 50000; + else + val = 3; /* 2700mV */ + } else { /* 2700mV ~ 2900mV / 50mV */ + if (min_uV <= 2900000) { + val = (min_uV - 2650001) / 50000; + val += 3; + } else + val = -EINVAL; + } + break; + case PM8607_CHIP_B0: + if (min_uV < 2700000) { /* 1800mV ~ 1850mV / 50mV */ + if (min_uV <= 1800000) + val = 0; + else if (min_uV <= 1850000) + val = (min_uV - 1750001) / 50000; + else + val = 2; /* 2700mV */ + } else { /* 2700mV ~ 2900mV / 50mV */ + if (min_uV <= 2900000) { + val = (min_uV - 2650001) / 50000; + val += 2; + } else if (min_uV <= 3300000) + val = 7; + else + val = -EINVAL; + } + break; + } + break; + } + if (val >= 0) { + ret = pm8607_list_voltage(rdev, val); + if (ret > max_uV) { + pr_err("exceed voltage range (%d %d) uV", + min_uV, max_uV); + return -EINVAL; + } + } else + pr_err("invalid voltage range (%d %d) uV", min_uV, max_uV); + return val; +} + +static int pm8607_set_voltage(struct regulator_dev *rdev, + int min_uV, int max_uV) +{ + struct pm8607_regulator_info *info = rdev_get_drvdata(rdev); + struct pm8607_chip *chip = info->chip; + uint8_t val, mask; + int ret; + + if (check_range(info, min_uV, max_uV)) { + pr_err("invalid voltage range (%d, %d) uV\n", min_uV, max_uV); + return -EINVAL; + } + + ret = choose_voltage(rdev, min_uV, max_uV); + if (ret < 0) + return -EINVAL; + val = (uint8_t)(ret << info->vol_shift); + mask = ((1 << info->vol_nbits) - 1) << info->vol_shift; + + ret = pm8607_set_bits(chip, info->vol_reg, mask, val); + if (ret) + return ret; + switch (info->desc.id) { + case PM8607_ID_BUCK1: + case PM8607_ID_BUCK3: + ret = pm8607_set_bits(chip, info->update_reg, + 1 << info->update_bit, + 1 << info->update_bit); + break; + } + return ret; +} + +static int pm8607_get_voltage(struct regulator_dev *rdev) +{ + struct pm8607_regulator_info *info = rdev_get_drvdata(rdev); + struct pm8607_chip *chip = info->chip; + uint8_t val, mask; + int ret; + + ret = pm8607_reg_read(chip, info->vol_reg); + if (ret < 0) + return ret; + + mask = ((1 << info->vol_nbits) - 1) << info->vol_shift; + val = ((unsigned char)ret & mask) >> info->vol_shift; + + return pm8607_list_voltage(rdev, val); +} + +static int pm8607_enable(struct regulator_dev *rdev) +{ + struct pm8607_regulator_info *info = rdev_get_drvdata(rdev); + struct pm8607_chip *chip = info->chip; + + return pm8607_set_bits(chip, info->enable_reg, + 1 << info->enable_bit, + 1 << info->enable_bit); +} + +static int pm8607_disable(struct regulator_dev *rdev) +{ + struct pm8607_regulator_info *info = rdev_get_drvdata(rdev); + struct pm8607_chip *chip = info->chip; + + return pm8607_set_bits(chip, info->enable_reg, + 1 << info->enable_bit, 0); +} + +static int pm8607_is_enabled(struct regulator_dev *rdev) +{ + struct pm8607_regulator_info *info = rdev_get_drvdata(rdev); + struct pm8607_chip *chip = info->chip; + int ret; + + ret = pm8607_reg_read(chip, info->enable_reg); + if (ret < 0) + return ret; + + return !!((unsigned char)ret & (1 << info->enable_bit)); +} + +static struct regulator_ops pm8607_regulator_ops = { + .set_voltage = pm8607_set_voltage, + .get_voltage = pm8607_get_voltage, + .enable = pm8607_enable, + .disable = pm8607_disable, + .is_enabled = pm8607_is_enabled, +}; + +#define PM8607_DVC(_id, min, max, step, vreg, nbits, ureg, ubit, ereg, ebit) \ +{ \ + .desc = { \ + .name = "BUCK" #_id, \ + .ops = &pm8607_regulator_ops, \ + .type = REGULATOR_VOLTAGE, \ + .id = PM8607_ID_BUCK##_id, \ + .owner = THIS_MODULE, \ + }, \ + .min_uV = (min) * 1000, \ + .max_uV = (max) * 1000, \ + .step_uV = (step) * 1000, \ + .vol_reg = PM8607_##vreg, \ + .vol_shift = (0), \ + .vol_nbits = (nbits), \ + .update_reg = PM8607_##ureg, \ + .update_bit = (ubit), \ + .enable_reg = PM8607_##ereg, \ + .enable_bit = (ebit), \ + .slope_double = (0), \ +} + +#define PM8607_LDO(_id, min, max, step, vreg, shift, nbits, ereg, ebit) \ +{ \ + .desc = { \ + .name = "LDO" #_id, \ + .ops = &pm8607_regulator_ops, \ + .type = REGULATOR_VOLTAGE, \ + .id = PM8607_ID_LDO##_id, \ + .owner = THIS_MODULE, \ + }, \ + .min_uV = (min) * 1000, \ + .max_uV = (max) * 1000, \ + .step_uV = (step) * 1000, \ + .vol_reg = PM8607_##vreg, \ + .vol_shift = (shift), \ + .vol_nbits = (nbits), \ + .enable_reg = PM8607_##ereg, \ + .enable_bit = (ebit), \ + .slope_double = (0), \ +} + +static struct pm8607_regulator_info pm8607_regulator_info[] = { + PM8607_DVC(1, 0, 1500, 25, BUCK1, 6, GO, 0, SUPPLIES_EN11, 0), + PM8607_DVC(3, 0, 1500, 25, BUCK3, 6, GO, 2, SUPPLIES_EN11, 2), + + PM8607_LDO(1 , 1200, 2800, 0, LDO1 , 0, 2, SUPPLIES_EN11, 3), + PM8607_LDO(2 , 1800, 3300, 0, LDO2 , 0, 3, SUPPLIES_EN11, 4), + PM8607_LDO(3 , 1800, 3300, 0, LDO3 , 0, 3, SUPPLIES_EN11, 5), + PM8607_LDO(4 , 1800, 3300, 0, LDO4 , 0, 3, SUPPLIES_EN11, 6), + PM8607_LDO(5 , 2900, 3300, 0, LDO5 , 0, 2, SUPPLIES_EN11, 7), + PM8607_LDO(6 , 1800, 3300, 0, LDO6 , 0, 3, SUPPLIES_EN12, 0), + PM8607_LDO(7 , 1800, 2900, 0, LDO7 , 0, 3, SUPPLIES_EN12, 1), + PM8607_LDO(8 , 1800, 2900, 0, LDO8 , 0, 3, SUPPLIES_EN12, 2), + PM8607_LDO(9 , 1800, 3300, 0, LDO9 , 0, 3, SUPPLIES_EN12, 3), + PM8607_LDO(10, 1200, 3300, 0, LDO10, 0, 4, SUPPLIES_EN11, 4), + PM8607_LDO(12, 1200, 3300, 0, LDO12, 0, 4, SUPPLIES_EN11, 5), + PM8607_LDO(14, 1800, 3300, 0, LDO14, 0, 3, SUPPLIES_EN11, 6), +}; + +static inline struct pm8607_regulator_info *find_regulator_info(int id) +{ + struct pm8607_regulator_info *info; + int i; + + for (i = 0; i < ARRAY_SIZE(pm8607_regulator_info); i++) { + info = &pm8607_regulator_info[i]; + if (info->desc.id == id) + return info; + } + return NULL; +} + +static int __devinit pm8607_regulator_probe(struct platform_device *pdev) +{ + struct pm8607_chip *chip = dev_get_drvdata(pdev->dev.parent); + struct pm8607_platform_data *pdata = chip->dev->platform_data; + struct pm8607_regulator_info *info = NULL; + + info = find_regulator_info(pdev->id); + if (info == NULL) { + dev_err(&pdev->dev, "invalid regulator ID specified\n"); + return -EINVAL; + } + + info->chip = chip; + + info->regulator = regulator_register(&info->desc, &pdev->dev, + pdata->regulator[pdev->id], info); + if (IS_ERR(info->regulator)) { + dev_err(&pdev->dev, "failed to register regulator %s\n", + info->desc.name); + return PTR_ERR(info->regulator); + } + + /* check DVC ramp slope double */ + if (info->desc.id == PM8607_ID_BUCK3) + if (info->chip->buck3_double) + info->slope_double = 1; + + platform_set_drvdata(pdev, info); + return 0; +} + +static int __devexit pm8607_regulator_remove(struct platform_device *pdev) +{ + struct pm8607_regulator_info *info = platform_get_drvdata(pdev); + + regulator_unregister(info->regulator); + return 0; +} + +#define PM8607_REGULATOR_DRIVER(_name) \ +{ \ + .driver = { \ + .name = "88pm8607-" #_name, \ + .owner = THIS_MODULE, \ + }, \ + .probe = pm8607_regulator_probe, \ + .remove = __devexit_p(pm8607_regulator_remove), \ +} + +static struct platform_driver pm8607_regulator_driver[] = { + PM8607_REGULATOR_DRIVER(buck1), + PM8607_REGULATOR_DRIVER(buck2), + PM8607_REGULATOR_DRIVER(buck3), + PM8607_REGULATOR_DRIVER(ldo1), + PM8607_REGULATOR_DRIVER(ldo2), + PM8607_REGULATOR_DRIVER(ldo3), + PM8607_REGULATOR_DRIVER(ldo4), + PM8607_REGULATOR_DRIVER(ldo5), + PM8607_REGULATOR_DRIVER(ldo6), + PM8607_REGULATOR_DRIVER(ldo7), + PM8607_REGULATOR_DRIVER(ldo8), + PM8607_REGULATOR_DRIVER(ldo9), + PM8607_REGULATOR_DRIVER(ldo10), + PM8607_REGULATOR_DRIVER(ldo12), + PM8607_REGULATOR_DRIVER(ldo14), +}; + +static int __init pm8607_regulator_init(void) +{ + int i, count, ret; + + count = ARRAY_SIZE(pm8607_regulator_driver); + for (i = 0; i < count; i++) { + ret = platform_driver_register(&pm8607_regulator_driver[i]); + if (ret != 0) + pr_err("Failed to register regulator driver: %d\n", + ret); + } + return 0; +} +subsys_initcall(pm8607_regulator_init); + +static void __exit pm8607_regulator_exit(void) +{ + int i, count; + + count = ARRAY_SIZE(pm8607_regulator_driver); + for (i = 0; i < count; i++) + platform_driver_unregister(&pm8607_regulator_driver[i]); +} +module_exit(pm8607_regulator_exit); + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Haojian Zhuang <haojian.zhuang@marvell.com>"); +MODULE_DESCRIPTION("Regulator Driver for Marvell 88PM8607 PMIC"); +MODULE_ALIAS("platform:88pm8607-regulator"); diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig index 7cfdd65bebb..262f62eec83 100644 --- a/drivers/regulator/Kconfig +++ b/drivers/regulator/Kconfig @@ -69,6 +69,13 @@ config REGULATOR_MAX1586 regulator via I2C bus. The provided regulator is suitable for PXA27x chips to control VCC_CORE and VCC_USIM voltages. +config REGULATOR_MAX8660 + tristate "Maxim 8660/8661 voltage regulator" + depends on I2C + help + This driver controls a Maxim 8660/8661 voltage output + regulator via I2C bus. + config REGULATOR_TWL4030 bool "TI TWL4030/TWL5030/TWL6030/TPS695x0 PMIC" depends on TWL4030_CORE @@ -157,5 +164,11 @@ config REGULATOR_TPS6507X three step-down converters and two general-purpose LDO voltage regulators. It supports TI's software based Class-2 SmartReflex implementation. +config REGULATOR_88PM8607 + bool "Marvell 88PM8607 Power regulators" + depends on MFD_88PM8607=y + help + This driver supports 88PM8607 voltage regulator chips. + endif diff --git a/drivers/regulator/Makefile b/drivers/regulator/Makefile index 9ae3cc44e66..b3c806c7941 100644 --- a/drivers/regulator/Makefile +++ b/drivers/regulator/Makefile @@ -12,6 +12,7 @@ obj-$(CONFIG_REGULATOR_BQ24022) += bq24022.o obj-$(CONFIG_REGULATOR_LP3971) += lp3971.o obj-$(CONFIG_REGULATOR_MAX1586) += max1586.o obj-$(CONFIG_REGULATOR_TWL4030) += twl-regulator.o +obj-$(CONFIG_REGULATOR_MAX8660) += max8660.o obj-$(CONFIG_REGULATOR_WM831X) += wm831x-dcdc.o obj-$(CONFIG_REGULATOR_WM831X) += wm831x-isink.o obj-$(CONFIG_REGULATOR_WM831X) += wm831x-ldo.o @@ -20,10 +21,11 @@ obj-$(CONFIG_REGULATOR_WM8400) += wm8400-regulator.o obj-$(CONFIG_REGULATOR_DA903X) += da903x.o obj-$(CONFIG_REGULATOR_PCF50633) += pcf50633-regulator.o obj-$(CONFIG_REGULATOR_PCAP) += pcap-regulator.o -obj-$(CONFIG_REGULATOR_MC13783) += mc13783.o +obj-$(CONFIG_REGULATOR_MC13783) += mc13783-regulator.o obj-$(CONFIG_REGULATOR_AB3100) += ab3100.o obj-$(CONFIG_REGULATOR_TPS65023) += tps65023-regulator.o obj-$(CONFIG_REGULATOR_TPS6507X) += tps6507x-regulator.o +obj-$(CONFIG_REGULATOR_88PM8607) += 88pm8607.o ccflags-$(CONFIG_REGULATOR_DEBUG) += -DDEBUG diff --git a/drivers/regulator/ab3100.c b/drivers/regulator/ab3100.c index 49aeee823a2..b349db4504b 100644 --- a/drivers/regulator/ab3100.c +++ b/drivers/regulator/ab3100.c @@ -81,7 +81,7 @@ static const u8 ab3100_reg_init_order[AB3100_NUM_REGULATORS+2] = { #define LDO_C_VOLTAGE 2650000 #define LDO_D_VOLTAGE 2650000 -static const int const ldo_e_buck_typ_voltages[] = { +static const int ldo_e_buck_typ_voltages[] = { 1800000, 1400000, 1300000, @@ -91,7 +91,7 @@ static const int const ldo_e_buck_typ_voltages[] = { 900000, }; -static const int const ldo_f_typ_voltages[] = { +static const int ldo_f_typ_voltages[] = { 1800000, 1400000, 1300000, @@ -102,21 +102,21 @@ static const int const ldo_f_typ_voltages[] = { 2650000, }; -static const int const ldo_g_typ_voltages[] = { +static const int ldo_g_typ_voltages[] = { 2850000, 2750000, 1800000, 1500000, }; -static const int const ldo_h_typ_voltages[] = { +static const int ldo_h_typ_voltages[] = { 2750000, 1800000, 1500000, 1200000, }; -static const int const ldo_k_typ_voltages[] = { +static const int ldo_k_typ_voltages[] = { 2750000, 1800000, }; @@ -241,24 +241,12 @@ static int ab3100_disable_regulator(struct regulator_dev *reg) * LDO D is a special regulator. When it is disabled, the entire * system is shut down. So this is handled specially. */ + pr_info("Called ab3100_disable_regulator\n"); if (abreg->regreg == AB3100_LDO_D) { - int i; - dev_info(®->dev, "disabling LDO D - shut down system\n"); - /* - * Set regulators to default values, ignore any errors, - * we're going DOWN - */ - for (i = 0; i < ARRAY_SIZE(ab3100_reg_init_order); i++) { - (void) ab3100_set_register_interruptible(abreg->ab3100, - ab3100_reg_init_order[i], - abreg->plfdata->reg_initvals[i]); - } - /* Setting LDO D to 0x00 cuts the power to the SoC */ return ab3100_set_register_interruptible(abreg->ab3100, AB3100_LDO_D, 0x00U); - } /* @@ -607,13 +595,6 @@ static int __init ab3100_regulators_probe(struct platform_device *pdev) } } - if (err) { - dev_err(&pdev->dev, - "LDO D regulator initialization failed with error %d\n", - err); - return err; - } - /* Register the regulators */ for (i = 0; i < AB3100_NUM_REGULATORS; i++) { struct ab3100_regulator *reg = &ab3100_regulators[i]; @@ -688,7 +669,7 @@ static __init int ab3100_regulators_init(void) static __exit void ab3100_regulators_exit(void) { - platform_driver_register(&ab3100_regulators_driver); + platform_driver_unregister(&ab3100_regulators_driver); } subsys_initcall(ab3100_regulators_init); diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index efe568deda1..686ef270ecf 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -66,6 +66,16 @@ static unsigned int _regulator_get_mode(struct regulator_dev *rdev); static void _notifier_call_chain(struct regulator_dev *rdev, unsigned long event, void *data); +static const char *rdev_get_name(struct regulator_dev *rdev) +{ + if (rdev->constraints && rdev->constraints->name) + return rdev->constraints->name; + else if (rdev->desc->name) + return rdev->desc->name; + else + return ""; +} + /* gets the regulator for a given consumer device */ static struct regulator *get_device_regulator(struct device *dev) { @@ -96,12 +106,12 @@ static int regulator_check_voltage(struct regulator_dev *rdev, if (!rdev->constraints) { printk(KERN_ERR "%s: no constraints for %s\n", __func__, - rdev->desc->name); + rdev_get_name(rdev)); return -ENODEV; } if (!(rdev->constraints->valid_ops_mask & REGULATOR_CHANGE_VOLTAGE)) { printk(KERN_ERR "%s: operation not allowed for %s\n", - __func__, rdev->desc->name); + __func__, rdev_get_name(rdev)); return -EPERM; } @@ -124,12 +134,12 @@ static int regulator_check_current_limit(struct regulator_dev *rdev, if (!rdev->constraints) { printk(KERN_ERR "%s: no constraints for %s\n", __func__, - rdev->desc->name); + rdev_get_name(rdev)); return -ENODEV; } if (!(rdev->constraints->valid_ops_mask & REGULATOR_CHANGE_CURRENT)) { printk(KERN_ERR "%s: operation not allowed for %s\n", - __func__, rdev->desc->name); + __func__, rdev_get_name(rdev)); return -EPERM; } @@ -159,17 +169,17 @@ static int regulator_check_mode(struct regulator_dev *rdev, int mode) if (!rdev->constraints) { printk(KERN_ERR "%s: no constraints for %s\n", __func__, - rdev->desc->name); + rdev_get_name(rdev)); return -ENODEV; } if (!(rdev->constraints->valid_ops_mask & REGULATOR_CHANGE_MODE)) { printk(KERN_ERR "%s: operation not allowed for %s\n", - __func__, rdev->desc->name); + __func__, rdev_get_name(rdev)); return -EPERM; } if (!(rdev->constraints->valid_modes_mask & mode)) { printk(KERN_ERR "%s: invalid mode %x for %s\n", - __func__, mode, rdev->desc->name); + __func__, mode, rdev_get_name(rdev)); return -EINVAL; } return 0; @@ -180,12 +190,12 @@ static int regulator_check_drms(struct regulator_dev *rdev) { if (!rdev->constraints) { printk(KERN_ERR "%s: no constraints for %s\n", __func__, - rdev->desc->name); + rdev_get_name(rdev)); return -ENODEV; } if (!(rdev->constraints->valid_ops_mask & REGULATOR_CHANGE_DRMS)) { printk(KERN_ERR "%s: operation not allowed for %s\n", - __func__, rdev->desc->name); + __func__, rdev_get_name(rdev)); return -EPERM; } return 0; @@ -230,16 +240,8 @@ static ssize_t regulator_name_show(struct device *dev, struct device_attribute *attr, char *buf) { struct regulator_dev *rdev = dev_get_drvdata(dev); - const char *name; - if (rdev->constraints && rdev->constraints->name) - name = rdev->constraints->name; - else if (rdev->desc->name) - name = rdev->desc->name; - else - name = ""; - - return sprintf(buf, "%s\n", name); + return sprintf(buf, "%s\n", rdev_get_name(rdev)); } static ssize_t regulator_print_opmode(char *buf, int mode) @@ -388,7 +390,7 @@ static ssize_t regulator_total_uA_show(struct device *dev, mutex_lock(&rdev->mutex); list_for_each_entry(regulator, &rdev->consumer_list, list) - uA += regulator->uA_load; + uA += regulator->uA_load; mutex_unlock(&rdev->mutex); return sprintf(buf, "%d\n", uA); } @@ -563,7 +565,7 @@ static void drms_uA_update(struct regulator_dev *rdev) /* calc total requested load */ list_for_each_entry(sibling, &rdev->consumer_list, list) - current_uA += sibling->uA_load; + current_uA += sibling->uA_load; /* now get the optimum mode for our new total regulator load */ mode = rdev->desc->ops->get_optimum_mode(rdev, input_uV, @@ -579,10 +581,29 @@ static int suspend_set_state(struct regulator_dev *rdev, struct regulator_state *rstate) { int ret = 0; + bool can_set_state; - /* enable & disable are mandatory for suspend control */ - if (!rdev->desc->ops->set_suspend_enable || - !rdev->desc->ops->set_suspend_disable) { + can_set_state = rdev->desc->ops->set_suspend_enable && + rdev->desc->ops->set_suspend_disable; + + /* If we have no suspend mode configration don't set anything; + * only warn if the driver actually makes the suspend mode + * configurable. + */ + if (!rstate->enabled && !rstate->disabled) { + if (can_set_state) + printk(KERN_WARNING "%s: No configuration for %s\n", + __func__, rdev_get_name(rdev)); + return 0; + } + + if (rstate->enabled && rstate->disabled) { + printk(KERN_ERR "%s: invalid configuration for %s\n", + __func__, rdev_get_name(rdev)); + return -EINVAL; + } + + if (!can_set_state) { printk(KERN_ERR "%s: no way to set suspend state\n", __func__); return -EINVAL; @@ -641,25 +662,43 @@ static void print_constraints(struct regulator_dev *rdev) { struct regulation_constraints *constraints = rdev->constraints; char buf[80]; - int count; + int count = 0; + int ret; - if (rdev->desc->type == REGULATOR_VOLTAGE) { + if (constraints->min_uV && constraints->max_uV) { if (constraints->min_uV == constraints->max_uV) - count = sprintf(buf, "%d mV ", - constraints->min_uV / 1000); + count += sprintf(buf + count, "%d mV ", + constraints->min_uV / 1000); else - count = sprintf(buf, "%d <--> %d mV ", - constraints->min_uV / 1000, - constraints->max_uV / 1000); - } else { + count += sprintf(buf + count, "%d <--> %d mV ", + constraints->min_uV / 1000, + constraints->max_uV / 1000); + } + + if (!constraints->min_uV || + constraints->min_uV != constraints->max_uV) { + ret = _regulator_get_voltage(rdev); + if (ret > 0) + count += sprintf(buf + count, "at %d mV ", ret / 1000); + } + + if (constraints->min_uA && constraints->max_uA) { if (constraints->min_uA == constraints->max_uA) - count = sprintf(buf, "%d mA ", - constraints->min_uA / 1000); + count += sprintf(buf + count, "%d mA ", + constraints->min_uA / 1000); else - count = sprintf(buf, "%d <--> %d mA ", - constraints->min_uA / 1000, - constraints->max_uA / 1000); + count += sprintf(buf + count, "%d <--> %d mA ", + constraints->min_uA / 1000, + constraints->max_uA / 1000); } + + if (!constraints->min_uA || + constraints->min_uA != constraints->max_uA) { + ret = _regulator_get_current_limit(rdev); + if (ret > 0) + count += sprintf(buf + count, "at %d uA ", ret / 1000); + } + if (constraints->valid_modes_mask & REGULATOR_MODE_FAST) count += sprintf(buf + count, "fast "); if (constraints->valid_modes_mask & REGULATOR_MODE_NORMAL) @@ -669,33 +708,30 @@ static void print_constraints(struct regulator_dev *rdev) if (constraints->valid_modes_mask & REGULATOR_MODE_STANDBY) count += sprintf(buf + count, "standby"); - printk(KERN_INFO "regulator: %s: %s\n", rdev->desc->name, buf); + printk(KERN_INFO "regulator: %s: %s\n", rdev_get_name(rdev), buf); } -/** - * set_machine_constraints - sets regulator constraints - * @rdev: regulator source - * @constraints: constraints to apply - * - * Allows platform initialisation code to define and constrain - * regulator circuits e.g. valid voltage/current ranges, etc. NOTE: - * Constraints *must* be set by platform code in order for some - * regulator operations to proceed i.e. set_voltage, set_current_limit, - * set_mode. - */ -static int set_machine_constraints(struct regulator_dev *rdev, +static int machine_constraints_voltage(struct regulator_dev *rdev, struct regulation_constraints *constraints) { - int ret = 0; - const char *name; struct regulator_ops *ops = rdev->desc->ops; + const char *name = rdev_get_name(rdev); + int ret; - if (constraints->name) - name = constraints->name; - else if (rdev->desc->name) - name = rdev->desc->name; - else - name = "regulator"; + /* do we need to apply the constraint voltage */ + if (rdev->constraints->apply_uV && + rdev->constraints->min_uV == rdev->constraints->max_uV && + ops->set_voltage) { + ret = ops->set_voltage(rdev, + rdev->constraints->min_uV, rdev->constraints->max_uV); + if (ret < 0) { + printk(KERN_ERR "%s: failed to apply %duV constraint to %s\n", + __func__, + rdev->constraints->min_uV, name); + rdev->constraints = NULL; + return ret; + } + } /* constrain machine-level voltage specs to fit * the actual range supported by this regulator. @@ -719,14 +755,13 @@ static int set_machine_constraints(struct regulator_dev *rdev, /* voltage constraints are optional */ if ((cmin == 0) && (cmax == 0)) - goto out; + return 0; /* else require explicit machine-level constraints */ if (cmin <= 0 || cmax <= 0 || cmax < cmin) { pr_err("%s: %s '%s' voltage constraints\n", __func__, "invalid", name); - ret = -EINVAL; - goto out; + return -EINVAL; } /* initial: [cmin..cmax] valid, [min_uV..max_uV] not */ @@ -748,8 +783,7 @@ static int set_machine_constraints(struct regulator_dev *rdev, if (max_uV < min_uV) { pr_err("%s: %s '%s' voltage constraints\n", __func__, "unsupportable", name); - ret = -EINVAL; - goto out; + return -EINVAL; } /* use regulator's subset of machine constraints */ @@ -767,22 +801,34 @@ static int set_machine_constraints(struct regulator_dev *rdev, } } + return 0; +} + +/** + * set_machine_constraints - sets regulator constraints + * @rdev: regulator source + * @constraints: constraints to apply + * + * Allows platform initialisation code to define and constrain + * regulator circuits e.g. valid voltage/current ranges, etc. NOTE: + * Constraints *must* be set by platform code in order for some + * regulator operations to proceed i.e. set_voltage, set_current_limit, + * set_mode. + */ +static int set_machine_constraints(struct regulator_dev *rdev, + struct regulation_constraints *constraints) +{ + int ret = 0; + const char *name; + struct regulator_ops *ops = rdev->desc->ops; + rdev->constraints = constraints; - /* do we need to apply the constraint voltage */ - if (rdev->constraints->apply_uV && - rdev->constraints->min_uV == rdev->constraints->max_uV && - ops->set_voltage) { - ret = ops->set_voltage(rdev, - rdev->constraints->min_uV, rdev->constraints->max_uV); - if (ret < 0) { - printk(KERN_ERR "%s: failed to apply %duV constraint to %s\n", - __func__, - rdev->constraints->min_uV, name); - rdev->constraints = NULL; - goto out; - } - } + name = rdev_get_name(rdev); + + ret = machine_constraints_voltage(rdev, constraints); + if (ret != 0) + goto out; /* do we need to setup our suspend state */ if (constraints->initial_state) { @@ -903,7 +949,7 @@ static int set_consumer_device_supply(struct regulator_dev *rdev, dev_name(&node->regulator->dev), node->regulator->desc->name, supply, - dev_name(&rdev->dev), rdev->desc->name); + dev_name(&rdev->dev), rdev_get_name(rdev)); return -EBUSY; } @@ -1212,7 +1258,7 @@ static int _regulator_enable(struct regulator_dev *rdev) ret = _regulator_enable(rdev->supply); if (ret < 0) { printk(KERN_ERR "%s: failed to enable %s: %d\n", - __func__, rdev->desc->name, ret); + __func__, rdev_get_name(rdev), ret); return ret; } } @@ -1238,7 +1284,7 @@ static int _regulator_enable(struct regulator_dev *rdev) } } else if (ret < 0) { printk(KERN_ERR "%s: is_enabled() failed for %s: %d\n", - __func__, rdev->desc->name, ret); + __func__, rdev_get_name(rdev), ret); return ret; } /* Fallthrough on positive return values - already enabled */ @@ -1279,7 +1325,7 @@ static int _regulator_disable(struct regulator_dev *rdev) if (WARN(rdev->use_count <= 0, "unbalanced disables for %s\n", - rdev->desc->name)) + rdev_get_name(rdev))) return -EIO; /* are we the last user and permitted to disable ? */ @@ -1292,7 +1338,7 @@ static int _regulator_disable(struct regulator_dev *rdev) ret = rdev->desc->ops->disable(rdev); if (ret < 0) { printk(KERN_ERR "%s: failed to disable %s\n", - __func__, rdev->desc->name); + __func__, rdev_get_name(rdev)); return ret; } } @@ -1349,7 +1395,7 @@ static int _regulator_force_disable(struct regulator_dev *rdev) ret = rdev->desc->ops->disable(rdev); if (ret < 0) { printk(KERN_ERR "%s: failed to force disable %s\n", - __func__, rdev->desc->name); + __func__, rdev_get_name(rdev)); return ret; } /* notify other consumers that power has been forced off */ @@ -1766,7 +1812,7 @@ int regulator_set_optimum_mode(struct regulator *regulator, int uA_load) output_uV = rdev->desc->ops->get_voltage(rdev); if (output_uV <= 0) { printk(KERN_ERR "%s: invalid output voltage found for %s\n", - __func__, rdev->desc->name); + __func__, rdev_get_name(rdev)); goto out; } @@ -1777,13 +1823,13 @@ int regulator_set_optimum_mode(struct regulator *regulator, int uA_load) input_uV = rdev->constraints->input_uV; if (input_uV <= 0) { printk(KERN_ERR "%s: invalid input voltage found for %s\n", - __func__, rdev->desc->name); + __func__, rdev_get_name(rdev)); goto out; } /* calc total requested load for this regulator */ list_for_each_entry(consumer, &rdev->consumer_list, list) - total_uA_load += consumer->uA_load; + total_uA_load += consumer->uA_load; mode = rdev->desc->ops->get_optimum_mode(rdev, input_uV, output_uV, @@ -1791,7 +1837,7 @@ int regulator_set_optimum_mode(struct regulator *regulator, int uA_load) ret = regulator_check_mode(rdev, mode); if (ret < 0) { printk(KERN_ERR "%s: failed to get optimum mode for %s @" - " %d uA %d -> %d uV\n", __func__, rdev->desc->name, + " %d uA %d -> %d uV\n", __func__, rdev_get_name(rdev), total_uA_load, input_uV, output_uV); goto out; } @@ -1799,7 +1845,7 @@ int regulator_set_optimum_mode(struct regulator *regulator, int uA_load) ret = rdev->desc->ops->set_mode(rdev, mode); if (ret < 0) { printk(KERN_ERR "%s: failed to set optimum mode %x for %s\n", - __func__, mode, rdev->desc->name); + __func__, mode, rdev_get_name(rdev)); goto out; } ret = mode; @@ -1852,9 +1898,9 @@ static void _notifier_call_chain(struct regulator_dev *rdev, /* now notify regulator we supply */ list_for_each_entry(_rdev, &rdev->supply_list, slist) { - mutex_lock(&_rdev->mutex); - _notifier_call_chain(_rdev, event, data); - mutex_unlock(&_rdev->mutex); + mutex_lock(&_rdev->mutex); + _notifier_call_chain(_rdev, event, data); + mutex_unlock(&_rdev->mutex); } } @@ -1885,9 +1931,9 @@ int regulator_bulk_get(struct device *dev, int num_consumers, consumers[i].consumer = regulator_get(dev, consumers[i].supply); if (IS_ERR(consumers[i].consumer)) { - dev_err(dev, "Failed to get supply '%s'\n", - consumers[i].supply); ret = PTR_ERR(consumers[i].consumer); + dev_err(dev, "Failed to get supply '%s': %d\n", + consumers[i].supply, ret); consumers[i].consumer = NULL; goto err; } @@ -1930,8 +1976,8 @@ int regulator_bulk_enable(int num_consumers, return 0; err: - printk(KERN_ERR "Failed to enable %s\n", consumers[i].supply); - for (i = 0; i < num_consumers; i++) + printk(KERN_ERR "Failed to enable %s: %d\n", consumers[i].supply, ret); + for (--i; i >= 0; --i) regulator_disable(consumers[i].consumer); return ret; @@ -1965,8 +2011,9 @@ int regulator_bulk_disable(int num_consumers, return 0; err: - printk(KERN_ERR "Failed to disable %s\n", consumers[i].supply); - for (i = 0; i < num_consumers; i++) + printk(KERN_ERR "Failed to disable %s: %d\n", consumers[i].supply, + ret); + for (--i; i >= 0; --i) regulator_enable(consumers[i].consumer); return ret; @@ -2316,7 +2363,7 @@ int regulator_suspend_prepare(suspend_state_t state) if (ret < 0) { printk(KERN_ERR "%s: failed to prepare %s\n", - __func__, rdev->desc->name); + __func__, rdev_get_name(rdev)); goto out; } } @@ -2429,12 +2476,7 @@ static int __init regulator_init_complete(void) ops = rdev->desc->ops; c = rdev->constraints; - if (c && c->name) - name = c->name; - else if (rdev->desc->name) - name = rdev->desc->name; - else - name = "regulator"; + name = rdev_get_name(rdev); if (!ops->disable || (c && c->always_on)) continue; diff --git a/drivers/regulator/da903x.c b/drivers/regulator/da903x.c index aa224d936e0..f8c4661a7a8 100644 --- a/drivers/regulator/da903x.c +++ b/drivers/regulator/da903x.c @@ -331,7 +331,7 @@ static int da9034_get_ldo12_voltage(struct regulator_dev *rdev) static int da9034_list_ldo12_voltage(struct regulator_dev *rdev, unsigned selector) { - if (selector > ARRAY_SIZE(da9034_ldo12_data)) + if (selector >= ARRAY_SIZE(da9034_ldo12_data)) return -EINVAL; return da9034_ldo12_data[selector] * 1000; } diff --git a/drivers/regulator/lp3971.c b/drivers/regulator/lp3971.c index 7803a320543..76d08c282f9 100644 --- a/drivers/regulator/lp3971.c +++ b/drivers/regulator/lp3971.c @@ -446,8 +446,8 @@ static int setup_regulators(struct lp3971 *lp3971, lp3971->rdev[i] = regulator_register(®ulators[id], lp3971->dev, pdata->regulators[i].initdata, lp3971); - err = IS_ERR(lp3971->rdev[i]); - if (err) { + if (IS_ERR(lp3971->rdev[i])) { + err = PTR_ERR(lp3971->rdev[i]); dev_err(lp3971->dev, "regulator init failed: %d\n", err); goto error; diff --git a/drivers/regulator/max8660.c b/drivers/regulator/max8660.c new file mode 100644 index 00000000000..acc2fb7b608 --- /dev/null +++ b/drivers/regulator/max8660.c @@ -0,0 +1,510 @@ +/* + * max8660.c -- Voltage regulation for the Maxim 8660/8661 + * + * based on max1586.c and wm8400-regulator.c + * + * Copyright (C) 2009 Wolfram Sang, Pengutronix e.K. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., 59 Temple + * Place, Suite 330, Boston, MA 02111-1307 USA + * + * Some info: + * + * Datasheet: http://datasheets.maxim-ic.com/en/ds/MAX8660-MAX8661.pdf + * + * This chip is a bit nasty because it is a write-only device. Thus, the driver + * uses shadow registers to keep track of its values. The main problem appears + * to be the initialization: When Linux boots up, we cannot know if the chip is + * in the default state or not, so we would have to pass such information in + * platform_data. As this adds a bit of complexity to the driver, this is left + * out for now until it is really needed. + * + * [A|S|M]DTV1 registers are currently not used, but [A|S|M]DTV2. + * + * If the driver is feature complete, it might be worth to check if one set of + * functions for V3-V7 is sufficient. For maximum flexibility during + * development, they are separated for now. + * + */ + +#include <linux/module.h> +#include <linux/err.h> +#include <linux/i2c.h> +#include <linux/platform_device.h> +#include <linux/regulator/driver.h> +#include <linux/regulator/max8660.h> + +#define MAX8660_DCDC_MIN_UV 725000 +#define MAX8660_DCDC_MAX_UV 1800000 +#define MAX8660_DCDC_STEP 25000 +#define MAX8660_DCDC_MAX_SEL 0x2b + +#define MAX8660_LDO5_MIN_UV 1700000 +#define MAX8660_LDO5_MAX_UV 2000000 +#define MAX8660_LDO5_STEP 25000 +#define MAX8660_LDO5_MAX_SEL 0x0c + +#define MAX8660_LDO67_MIN_UV 1800000 +#define MAX8660_LDO67_MAX_UV 3300000 +#define MAX8660_LDO67_STEP 100000 +#define MAX8660_LDO67_MAX_SEL 0x0f + +enum { + MAX8660_OVER1, + MAX8660_OVER2, + MAX8660_VCC1, + MAX8660_ADTV1, + MAX8660_ADTV2, + MAX8660_SDTV1, + MAX8660_SDTV2, + MAX8660_MDTV1, + MAX8660_MDTV2, + MAX8660_L12VCR, + MAX8660_FPWM, + MAX8660_N_REGS, /* not a real register */ +}; + +struct max8660 { + struct i2c_client *client; + u8 shadow_regs[MAX8660_N_REGS]; /* as chip is write only */ + struct regulator_dev *rdev[]; +}; + +static int max8660_write(struct max8660 *max8660, u8 reg, u8 mask, u8 val) +{ + static const u8 max8660_addresses[MAX8660_N_REGS] = + { 0x10, 0x12, 0x20, 0x23, 0x24, 0x29, 0x2a, 0x32, 0x33, 0x39, 0x80 }; + + int ret; + u8 reg_val = (max8660->shadow_regs[reg] & mask) | val; + dev_vdbg(&max8660->client->dev, "Writing reg %02x with %02x\n", + max8660_addresses[reg], reg_val); + + ret = i2c_smbus_write_byte_data(max8660->client, + max8660_addresses[reg], reg_val); + if (ret == 0) + max8660->shadow_regs[reg] = reg_val; + + return ret; +} + + +/* + * DCDC functions + */ + +static int max8660_dcdc_is_enabled(struct regulator_dev *rdev) +{ + struct max8660 *max8660 = rdev_get_drvdata(rdev); + u8 val = max8660->shadow_regs[MAX8660_OVER1]; + u8 mask = (rdev_get_id(rdev) == MAX8660_V3) ? 1 : 4; + return !!(val & mask); +} + +static int max8660_dcdc_enable(struct regulator_dev *rdev) +{ + struct max8660 *max8660 = rdev_get_drvdata(rdev); + u8 bit = (rdev_get_id(rdev) == MAX8660_V3) ? 1 : 4; + return max8660_write(max8660, MAX8660_OVER1, 0xff, bit); +} + +static int max8660_dcdc_disable(struct regulator_dev *rdev) +{ + struct max8660 *max8660 = rdev_get_drvdata(rdev); + u8 mask = (rdev_get_id(rdev) == MAX8660_V3) ? ~1 : ~4; + return max8660_write(max8660, MAX8660_OVER1, mask, 0); +} + +static int max8660_dcdc_list(struct regulator_dev *rdev, unsigned selector) +{ + if (selector > MAX8660_DCDC_MAX_SEL) + return -EINVAL; + return MAX8660_DCDC_MIN_UV + selector * MAX8660_DCDC_STEP; +} + +static int max8660_dcdc_get(struct regulator_dev *rdev) +{ + struct max8660 *max8660 = rdev_get_drvdata(rdev); + u8 reg = (rdev_get_id(rdev) == MAX8660_V3) ? MAX8660_ADTV2 : MAX8660_SDTV2; + u8 selector = max8660->shadow_regs[reg]; + return MAX8660_DCDC_MIN_UV + selector * MAX8660_DCDC_STEP; +} + +static int max8660_dcdc_set(struct regulator_dev *rdev, int min_uV, int max_uV) +{ + struct max8660 *max8660 = rdev_get_drvdata(rdev); + u8 reg, selector, bits; + int ret; + + if (min_uV < MAX8660_DCDC_MIN_UV || min_uV > MAX8660_DCDC_MAX_UV) + return -EINVAL; + if (max_uV < MAX8660_DCDC_MIN_UV || max_uV > MAX8660_DCDC_MAX_UV) + return -EINVAL; + + selector = (min_uV - (MAX8660_DCDC_MIN_UV - MAX8660_DCDC_STEP + 1)) + / MAX8660_DCDC_STEP; + + ret = max8660_dcdc_list(rdev, selector); + if (ret < 0 || ret > max_uV) + return -EINVAL; + + reg = (rdev_get_id(rdev) == MAX8660_V3) ? MAX8660_ADTV2 : MAX8660_SDTV2; + ret = max8660_write(max8660, reg, 0, selector); + if (ret) + return ret; + + /* Select target voltage register and activate regulation */ + bits = (rdev_get_id(rdev) == MAX8660_V3) ? 0x03 : 0x30; + return max8660_write(max8660, MAX8660_VCC1, 0xff, bits); +} + +static struct regulator_ops max8660_dcdc_ops = { + .is_enabled = max8660_dcdc_is_enabled, + .list_voltage = max8660_dcdc_list, + .set_voltage = max8660_dcdc_set, + .get_voltage = max8660_dcdc_get, +}; + + +/* + * LDO5 functions + */ + +static int max8660_ldo5_list(struct regulator_dev *rdev, unsigned selector) +{ + if (selector > MAX8660_LDO5_MAX_SEL) + return -EINVAL; + return MAX8660_LDO5_MIN_UV + selector * MAX8660_LDO5_STEP; +} + +static int max8660_ldo5_get(struct regulator_dev *rdev) +{ + struct max8660 *max8660 = rdev_get_drvdata(rdev); + u8 selector = max8660->shadow_regs[MAX8660_MDTV2]; + + return MAX8660_LDO5_MIN_UV + selector * MAX8660_LDO5_STEP; +} + +static int max8660_ldo5_set(struct regulator_dev *rdev, int min_uV, int max_uV) +{ + struct max8660 *max8660 = rdev_get_drvdata(rdev); + u8 selector; + int ret; + + if (min_uV < MAX8660_LDO5_MIN_UV || min_uV > MAX8660_LDO5_MAX_UV) + return -EINVAL; + if (max_uV < MAX8660_LDO5_MIN_UV || max_uV > MAX8660_LDO5_MAX_UV) + return -EINVAL; + + selector = (min_uV - (MAX8660_LDO5_MIN_UV - MAX8660_LDO5_STEP + 1)) + / MAX8660_LDO5_STEP; + ret = max8660_ldo5_list(rdev, selector); + if (ret < 0 || ret > max_uV) + return -EINVAL; + + ret = max8660_write(max8660, MAX8660_MDTV2, 0, selector); + if (ret) + return ret; + + /* Select target voltage register and activate regulation */ + return max8660_write(max8660, MAX8660_VCC1, 0xff, 0xc0); +} + +static struct regulator_ops max8660_ldo5_ops = { + .list_voltage = max8660_ldo5_list, + .set_voltage = max8660_ldo5_set, + .get_voltage = max8660_ldo5_get, +}; + + +/* + * LDO67 functions + */ + +static int max8660_ldo67_is_enabled(struct regulator_dev *rdev) +{ + struct max8660 *max8660 = rdev_get_drvdata(rdev); + u8 val = max8660->shadow_regs[MAX8660_OVER2]; + u8 mask = (rdev_get_id(rdev) == MAX8660_V6) ? 2 : 4; + return !!(val & mask); +} + +static int max8660_ldo67_enable(struct regulator_dev *rdev) +{ + struct max8660 *max8660 = rdev_get_drvdata(rdev); + u8 bit = (rdev_get_id(rdev) == MAX8660_V6) ? 2 : 4; + return max8660_write(max8660, MAX8660_OVER2, 0xff, bit); +} + +static int max8660_ldo67_disable(struct regulator_dev *rdev) +{ + struct max8660 *max8660 = rdev_get_drvdata(rdev); + u8 mask = (rdev_get_id(rdev) == MAX8660_V6) ? ~2 : ~4; + return max8660_write(max8660, MAX8660_OVER2, mask, 0); +} + +static int max8660_ldo67_list(struct regulator_dev *rdev, unsigned selector) +{ + if (selector > MAX8660_LDO67_MAX_SEL) + return -EINVAL; + return MAX8660_LDO67_MIN_UV + selector * MAX8660_LDO67_STEP; +} + +static int max8660_ldo67_get(struct regulator_dev *rdev) +{ + struct max8660 *max8660 = rdev_get_drvdata(rdev); + u8 shift = (rdev_get_id(rdev) == MAX8660_V6) ? 0 : 4; + u8 selector = (max8660->shadow_regs[MAX8660_L12VCR] >> shift) & 0xf; + + return MAX8660_LDO67_MIN_UV + selector * MAX8660_LDO67_STEP; +} + +static int max8660_ldo67_set(struct regulator_dev *rdev, int min_uV, int max_uV) +{ + struct max8660 *max8660 = rdev_get_drvdata(rdev); + u8 selector; + int ret; + + if (min_uV < MAX8660_LDO67_MIN_UV || min_uV > MAX8660_LDO67_MAX_UV) + return -EINVAL; + if (max_uV < MAX8660_LDO67_MIN_UV || max_uV > MAX8660_LDO67_MAX_UV) + return -EINVAL; + + selector = (min_uV - (MAX8660_LDO67_MIN_UV - MAX8660_LDO67_STEP + 1)) + / MAX8660_LDO67_STEP; + + ret = max8660_ldo67_list(rdev, selector); + if (ret < 0 || ret > max_uV) + return -EINVAL; + + if (rdev_get_id(rdev) == MAX8660_V6) + return max8660_write(max8660, MAX8660_L12VCR, 0xf0, selector); + else + return max8660_write(max8660, MAX8660_L12VCR, 0x0f, selector << 4); +} + +static struct regulator_ops max8660_ldo67_ops = { + .is_enabled = max8660_ldo67_is_enabled, + .enable = max8660_ldo67_enable, + .disable = max8660_ldo67_disable, + .list_voltage = max8660_ldo67_list, + .get_voltage = max8660_ldo67_get, + .set_voltage = max8660_ldo67_set, +}; + +static struct regulator_desc max8660_reg[] = { + { + .name = "V3(DCDC)", + .id = MAX8660_V3, + .ops = &max8660_dcdc_ops, + .type = REGULATOR_VOLTAGE, + .n_voltages = MAX8660_DCDC_MAX_SEL + 1, + .owner = THIS_MODULE, + }, + { + .name = "V4(DCDC)", + .id = MAX8660_V4, + .ops = &max8660_dcdc_ops, + .type = REGULATOR_VOLTAGE, + .n_voltages = MAX8660_DCDC_MAX_SEL + 1, + .owner = THIS_MODULE, + }, + { + .name = "V5(LDO)", + .id = MAX8660_V5, + .ops = &max8660_ldo5_ops, + .type = REGULATOR_VOLTAGE, + .n_voltages = MAX8660_LDO5_MAX_SEL + 1, + .owner = THIS_MODULE, + }, + { + .name = "V6(LDO)", + .id = MAX8660_V6, + .ops = &max8660_ldo67_ops, + .type = REGULATOR_VOLTAGE, + .n_voltages = MAX8660_LDO67_MAX_SEL + 1, + .owner = THIS_MODULE, + }, + { + .name = "V7(LDO)", + .id = MAX8660_V7, + .ops = &max8660_ldo67_ops, + .type = REGULATOR_VOLTAGE, + .n_voltages = MAX8660_LDO67_MAX_SEL + 1, + .owner = THIS_MODULE, + }, +}; + +static int max8660_probe(struct i2c_client *client, + const struct i2c_device_id *i2c_id) +{ + struct regulator_dev **rdev; + struct max8660_platform_data *pdata = client->dev.platform_data; + struct max8660 *max8660; + int boot_on, i, id, ret = -EINVAL; + + if (pdata->num_subdevs > MAX8660_V_END) { + dev_err(&client->dev, "Too much regulators found!\n"); + goto out; + } + + max8660 = kzalloc(sizeof(struct max8660) + + sizeof(struct regulator_dev *) * MAX8660_V_END, + GFP_KERNEL); + if (!max8660) { + ret = -ENOMEM; + goto out; + } + + max8660->client = client; + rdev = max8660->rdev; + + if (pdata->en34_is_high) { + /* Simulate always on */ + max8660->shadow_regs[MAX8660_OVER1] = 5; + } else { + /* Otherwise devices can be toggled via software */ + max8660_dcdc_ops.enable = max8660_dcdc_enable; + max8660_dcdc_ops.disable = max8660_dcdc_disable; + } + + /* + * First, set up shadow registers to prevent glitches. As some + * registers are shared between regulators, everything must be properly + * set up for all regulators in advance. + */ + max8660->shadow_regs[MAX8660_ADTV1] = + max8660->shadow_regs[MAX8660_ADTV2] = + max8660->shadow_regs[MAX8660_SDTV1] = + max8660->shadow_regs[MAX8660_SDTV2] = 0x1b; + max8660->shadow_regs[MAX8660_MDTV1] = + max8660->shadow_regs[MAX8660_MDTV2] = 0x04; + + for (i = 0; i < pdata->num_subdevs; i++) { + + if (!pdata->subdevs[i].platform_data) + goto err_free; + + boot_on = pdata->subdevs[i].platform_data->constraints.boot_on; + + switch (pdata->subdevs[i].id) { + case MAX8660_V3: + if (boot_on) + max8660->shadow_regs[MAX8660_OVER1] |= 1; + break; + + case MAX8660_V4: + if (boot_on) + max8660->shadow_regs[MAX8660_OVER1] |= 4; + break; + + case MAX8660_V5: + break; + + case MAX8660_V6: + if (boot_on) + max8660->shadow_regs[MAX8660_OVER2] |= 2; + break; + + case MAX8660_V7: + if (!strcmp(i2c_id->name, "max8661")) { + dev_err(&client->dev, "Regulator not on this chip!\n"); + goto err_free; + } + + if (boot_on) + max8660->shadow_regs[MAX8660_OVER2] |= 4; + break; + + default: + dev_err(&client->dev, "invalid regulator %s\n", + pdata->subdevs[i].name); + goto err_free; + } + } + + /* Finally register devices */ + for (i = 0; i < pdata->num_subdevs; i++) { + + id = pdata->subdevs[i].id; + + rdev[i] = regulator_register(&max8660_reg[id], &client->dev, + pdata->subdevs[i].platform_data, + max8660); + if (IS_ERR(rdev[i])) { + ret = PTR_ERR(rdev[i]); + dev_err(&client->dev, "failed to register %s\n", + max8660_reg[id].name); + goto err_unregister; + } + } + + i2c_set_clientdata(client, rdev); + dev_info(&client->dev, "Maxim 8660/8661 regulator driver loaded\n"); + return 0; + +err_unregister: + while (--i >= 0) + regulator_unregister(rdev[i]); +err_free: + kfree(max8660); +out: + return ret; +} + +static int max8660_remove(struct i2c_client *client) +{ + struct regulator_dev **rdev = i2c_get_clientdata(client); + int i; + + for (i = 0; i < MAX8660_V_END; i++) + if (rdev[i]) + regulator_unregister(rdev[i]); + kfree(rdev); + i2c_set_clientdata(client, NULL); + + return 0; +} + +static const struct i2c_device_id max8660_id[] = { + { "max8660", 0 }, + { "max8661", 0 }, + { } +}; +MODULE_DEVICE_TABLE(i2c, max8660_id); + +static struct i2c_driver max8660_driver = { + .probe = max8660_probe, + .remove = max8660_remove, + .driver = { + .name = "max8660", + }, + .id_table = max8660_id, +}; + +static int __init max8660_init(void) +{ + return i2c_add_driver(&max8660_driver); +} +subsys_initcall(max8660_init); + +static void __exit max8660_exit(void) +{ + i2c_del_driver(&max8660_driver); +} +module_exit(max8660_exit); + +/* Module information */ +MODULE_DESCRIPTION("MAXIM 8660/8661 voltage regulator driver"); +MODULE_AUTHOR("Wolfram Sang"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/regulator/mc13783-regulator.c b/drivers/regulator/mc13783-regulator.c new file mode 100644 index 00000000000..39c49530004 --- /dev/null +++ b/drivers/regulator/mc13783-regulator.c @@ -0,0 +1,245 @@ +/* + * Regulator Driver for Freescale MC13783 PMIC + * + * Copyright (C) 2008 Sascha Hauer, Pengutronix <s.hauer@pengutronix.de> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/mfd/mc13783.h> +#include <linux/regulator/machine.h> +#include <linux/regulator/driver.h> +#include <linux/platform_device.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/err.h> + +#define MC13783_REG_SWITCHERS4 28 +#define MC13783_REG_SWITCHERS4_PLLEN (1 << 18) + +#define MC13783_REG_SWITCHERS5 29 +#define MC13783_REG_SWITCHERS5_SW3EN (1 << 20) + +#define MC13783_REG_REGULATORMODE0 32 +#define MC13783_REG_REGULATORMODE0_VAUDIOEN (1 << 0) +#define MC13783_REG_REGULATORMODE0_VIOHIEN (1 << 3) +#define MC13783_REG_REGULATORMODE0_VIOLOEN (1 << 6) +#define MC13783_REG_REGULATORMODE0_VDIGEN (1 << 9) +#define MC13783_REG_REGULATORMODE0_VGENEN (1 << 12) +#define MC13783_REG_REGULATORMODE0_VRFDIGEN (1 << 15) +#define MC13783_REG_REGULATORMODE0_VRFREFEN (1 << 18) +#define MC13783_REG_REGULATORMODE0_VRFCPEN (1 << 21) + +#define MC13783_REG_REGULATORMODE1 33 +#define MC13783_REG_REGULATORMODE1_VSIMEN (1 << 0) +#define MC13783_REG_REGULATORMODE1_VESIMEN (1 << 3) +#define MC13783_REG_REGULATORMODE1_VCAMEN (1 << 6) +#define MC13783_REG_REGULATORMODE1_VRFBGEN (1 << 9) +#define MC13783_REG_REGULATORMODE1_VVIBEN (1 << 11) +#define MC13783_REG_REGULATORMODE1_VRF1EN (1 << 12) +#define MC13783_REG_REGULATORMODE1_VRF2EN (1 << 15) +#define MC13783_REG_REGULATORMODE1_VMMC1EN (1 << 18) +#define MC13783_REG_REGULATORMODE1_VMMC2EN (1 << 21) + +#define MC13783_REG_POWERMISC 34 +#define MC13783_REG_POWERMISC_GPO1EN (1 << 6) +#define MC13783_REG_POWERMISC_GPO2EN (1 << 8) +#define MC13783_REG_POWERMISC_GPO3EN (1 << 10) +#define MC13783_REG_POWERMISC_GPO4EN (1 << 12) + +struct mc13783_regulator { + struct regulator_desc desc; + int reg; + int enable_bit; +}; + +static struct regulator_ops mc13783_regulator_ops; + +#define MC13783_DEFINE(prefix, _name, _reg) \ + [MC13783_ ## prefix ## _ ## _name] = { \ + .desc = { \ + .name = #prefix "_" #_name, \ + .ops = &mc13783_regulator_ops, \ + .type = REGULATOR_VOLTAGE, \ + .id = MC13783_ ## prefix ## _ ## _name, \ + .owner = THIS_MODULE, \ + }, \ + .reg = MC13783_REG_ ## _reg, \ + .enable_bit = MC13783_REG_ ## _reg ## _ ## _name ## EN, \ + } + +#define MC13783_DEFINE_SW(_name, _reg) MC13783_DEFINE(SW, _name, _reg) +#define MC13783_DEFINE_REGU(_name, _reg) MC13783_DEFINE(REGU, _name, _reg) + +static struct mc13783_regulator mc13783_regulators[] = { + MC13783_DEFINE_SW(SW3, SWITCHERS5), + MC13783_DEFINE_SW(PLL, SWITCHERS4), + + MC13783_DEFINE_REGU(VAUDIO, REGULATORMODE0), + MC13783_DEFINE_REGU(VIOHI, REGULATORMODE0), + MC13783_DEFINE_REGU(VIOLO, REGULATORMODE0), + MC13783_DEFINE_REGU(VDIG, REGULATORMODE0), + MC13783_DEFINE_REGU(VGEN, REGULATORMODE0), + MC13783_DEFINE_REGU(VRFDIG, REGULATORMODE0), + MC13783_DEFINE_REGU(VRFREF, REGULATORMODE0), + MC13783_DEFINE_REGU(VRFCP, REGULATORMODE0), + MC13783_DEFINE_REGU(VSIM, REGULATORMODE1), + MC13783_DEFINE_REGU(VESIM, REGULATORMODE1), + MC13783_DEFINE_REGU(VCAM, REGULATORMODE1), + MC13783_DEFINE_REGU(VRFBG, REGULATORMODE1), + MC13783_DEFINE_REGU(VVIB, REGULATORMODE1), + MC13783_DEFINE_REGU(VRF1, REGULATORMODE1), + MC13783_DEFINE_REGU(VRF2, REGULATORMODE1), + MC13783_DEFINE_REGU(VMMC1, REGULATORMODE1), + MC13783_DEFINE_REGU(VMMC2, REGULATORMODE1), + MC13783_DEFINE_REGU(GPO1, POWERMISC), + MC13783_DEFINE_REGU(GPO2, POWERMISC), + MC13783_DEFINE_REGU(GPO3, POWERMISC), + MC13783_DEFINE_REGU(GPO4, POWERMISC), +}; + +struct mc13783_regulator_priv { + struct mc13783 *mc13783; + struct regulator_dev *regulators[]; +}; + +static int mc13783_regulator_enable(struct regulator_dev *rdev) +{ + struct mc13783_regulator_priv *priv = rdev_get_drvdata(rdev); + int id = rdev_get_id(rdev); + int ret; + + dev_dbg(rdev_get_dev(rdev), "%s id: %d\n", __func__, id); + + mc13783_lock(priv->mc13783); + ret = mc13783_reg_rmw(priv->mc13783, mc13783_regulators[id].reg, + mc13783_regulators[id].enable_bit, + mc13783_regulators[id].enable_bit); + mc13783_unlock(priv->mc13783); + + return ret; +} + +static int mc13783_regulator_disable(struct regulator_dev *rdev) +{ + struct mc13783_regulator_priv *priv = rdev_get_drvdata(rdev); + int id = rdev_get_id(rdev); + int ret; + + dev_dbg(rdev_get_dev(rdev), "%s id: %d\n", __func__, id); + + mc13783_lock(priv->mc13783); + ret = mc13783_reg_rmw(priv->mc13783, mc13783_regulators[id].reg, + mc13783_regulators[id].enable_bit, 0); + mc13783_unlock(priv->mc13783); + + return ret; +} + +static int mc13783_regulator_is_enabled(struct regulator_dev *rdev) +{ + struct mc13783_regulator_priv *priv = rdev_get_drvdata(rdev); + int ret, id = rdev_get_id(rdev); + unsigned int val; + + mc13783_lock(priv->mc13783); + ret = mc13783_reg_read(priv->mc13783, mc13783_regulators[id].reg, &val); + mc13783_unlock(priv->mc13783); + + if (ret) + return ret; + + return (val & mc13783_regulators[id].enable_bit) != 0; +} + +static struct regulator_ops mc13783_regulator_ops = { + .enable = mc13783_regulator_enable, + .disable = mc13783_regulator_disable, + .is_enabled = mc13783_regulator_is_enabled, +}; + +static int __devinit mc13783_regulator_probe(struct platform_device *pdev) +{ + struct mc13783_regulator_priv *priv; + struct mc13783 *mc13783 = dev_get_drvdata(pdev->dev.parent); + struct mc13783_regulator_platform_data *pdata = + dev_get_platdata(&pdev->dev); + struct mc13783_regulator_init_data *init_data; + int i, ret; + + dev_dbg(&pdev->dev, "mc13783_regulator_probe id %d\n", pdev->id); + + priv = kzalloc(sizeof(*priv) + + pdata->num_regulators * sizeof(priv->regulators[0]), + GFP_KERNEL); + if (!priv) + return -ENOMEM; + + priv->mc13783 = mc13783; + + for (i = 0; i < pdata->num_regulators; i++) { + init_data = &pdata->regulators[i]; + priv->regulators[i] = regulator_register( + &mc13783_regulators[init_data->id].desc, + &pdev->dev, init_data->init_data, priv); + + if (IS_ERR(priv->regulators[i])) { + dev_err(&pdev->dev, "failed to register regulator %s\n", + mc13783_regulators[i].desc.name); + ret = PTR_ERR(priv->regulators[i]); + goto err; + } + } + + platform_set_drvdata(pdev, priv); + + return 0; +err: + while (--i >= 0) + regulator_unregister(priv->regulators[i]); + + kfree(priv); + + return ret; +} + +static int __devexit mc13783_regulator_remove(struct platform_device *pdev) +{ + struct mc13783_regulator_priv *priv = platform_get_drvdata(pdev); + struct mc13783_regulator_platform_data *pdata = + dev_get_platdata(&pdev->dev); + int i; + + for (i = 0; i < pdata->num_regulators; i++) + regulator_unregister(priv->regulators[i]); + + return 0; +} + +static struct platform_driver mc13783_regulator_driver = { + .driver = { + .name = "mc13783-regulator", + .owner = THIS_MODULE, + }, + .remove = __devexit_p(mc13783_regulator_remove), + .probe = mc13783_regulator_probe, +}; + +static int __init mc13783_regulator_init(void) +{ + return platform_driver_register(&mc13783_regulator_driver); +} +subsys_initcall(mc13783_regulator_init); + +static void __exit mc13783_regulator_exit(void) +{ + platform_driver_unregister(&mc13783_regulator_driver); +} +module_exit(mc13783_regulator_exit); + +MODULE_LICENSE("GPL v2"); +MODULE_AUTHOR("Sascha Hauer <s.hauer@pengutronix.de"); +MODULE_DESCRIPTION("Regulator Driver for Freescale MC13783 PMIC"); +MODULE_ALIAS("platform:mc13783-regulator"); diff --git a/drivers/regulator/mc13783.c b/drivers/regulator/mc13783.c deleted file mode 100644 index 710211f6744..00000000000 --- a/drivers/regulator/mc13783.c +++ /dev/null @@ -1,410 +0,0 @@ -/* - * Regulator Driver for Freescale MC13783 PMIC - * - * Copyright (C) 2008 Sascha Hauer, Pengutronix <s.hauer@pengutronix.de> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include <linux/mfd/mc13783-private.h> -#include <linux/regulator/machine.h> -#include <linux/regulator/driver.h> -#include <linux/platform_device.h> -#include <linux/mfd/mc13783.h> -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/err.h> - -struct mc13783_regulator { - struct regulator_desc desc; - int reg; - int enable_bit; -}; - -static struct regulator_ops mc13783_regulator_ops; - -static struct mc13783_regulator mc13783_regulators[] = { - [MC13783_SW_SW3] = { - .desc = { - .name = "SW_SW3", - .ops = &mc13783_regulator_ops, - .type = REGULATOR_VOLTAGE, - .id = MC13783_SW_SW3, - .owner = THIS_MODULE, - }, - .reg = MC13783_REG_SWITCHERS_5, - .enable_bit = MC13783_SWCTRL_SW3_EN, - }, - [MC13783_SW_PLL] = { - .desc = { - .name = "SW_PLL", - .ops = &mc13783_regulator_ops, - .type = REGULATOR_VOLTAGE, - .id = MC13783_SW_PLL, - .owner = THIS_MODULE, - }, - .reg = MC13783_REG_SWITCHERS_4, - .enable_bit = MC13783_SWCTRL_PLL_EN, - }, - [MC13783_REGU_VAUDIO] = { - .desc = { - .name = "REGU_VAUDIO", - .ops = &mc13783_regulator_ops, - .type = REGULATOR_VOLTAGE, - .id = MC13783_REGU_VAUDIO, - .owner = THIS_MODULE, - }, - .reg = MC13783_REG_REGULATOR_MODE_0, - .enable_bit = MC13783_REGCTRL_VAUDIO_EN, - }, - [MC13783_REGU_VIOHI] = { - .desc = { - .name = "REGU_VIOHI", - .ops = &mc13783_regulator_ops, - .type = REGULATOR_VOLTAGE, - .id = MC13783_REGU_VIOHI, - .owner = THIS_MODULE, - }, - .reg = MC13783_REG_REGULATOR_MODE_0, - .enable_bit = MC13783_REGCTRL_VIOHI_EN, - }, - [MC13783_REGU_VIOLO] = { - .desc = { - .name = "REGU_VIOLO", - .ops = &mc13783_regulator_ops, - .type = REGULATOR_VOLTAGE, - .id = MC13783_REGU_VIOLO, - .owner = THIS_MODULE, - }, - .reg = MC13783_REG_REGULATOR_MODE_0, - .enable_bit = MC13783_REGCTRL_VIOLO_EN, - }, - [MC13783_REGU_VDIG] = { - .desc = { - .name = "REGU_VDIG", - .ops = &mc13783_regulator_ops, - .type = REGULATOR_VOLTAGE, - .id = MC13783_REGU_VDIG, - .owner = THIS_MODULE, - }, - .reg = MC13783_REG_REGULATOR_MODE_0, - .enable_bit = MC13783_REGCTRL_VDIG_EN, - }, - [MC13783_REGU_VGEN] = { - .desc = { - .name = "REGU_VGEN", - .ops = &mc13783_regulator_ops, - .type = REGULATOR_VOLTAGE, - .id = MC13783_REGU_VGEN, - .owner = THIS_MODULE, - }, - .reg = MC13783_REG_REGULATOR_MODE_0, - .enable_bit = MC13783_REGCTRL_VGEN_EN, - }, - [MC13783_REGU_VRFDIG] = { - .desc = { - .name = "REGU_VRFDIG", - .ops = &mc13783_regulator_ops, - .type = REGULATOR_VOLTAGE, - .id = MC13783_REGU_VRFDIG, - .owner = THIS_MODULE, - }, - .reg = MC13783_REG_REGULATOR_MODE_0, - .enable_bit = MC13783_REGCTRL_VRFDIG_EN, - }, - [MC13783_REGU_VRFREF] = { - .desc = { - .name = "REGU_VRFREF", - .ops = &mc13783_regulator_ops, - .type = REGULATOR_VOLTAGE, - .id = MC13783_REGU_VRFREF, - .owner = THIS_MODULE, - }, - .reg = MC13783_REG_REGULATOR_MODE_0, - .enable_bit = MC13783_REGCTRL_VRFREF_EN, - }, - [MC13783_REGU_VRFCP] = { - .desc = { - .name = "REGU_VRFCP", - .ops = &mc13783_regulator_ops, - .type = REGULATOR_VOLTAGE, - .id = MC13783_REGU_VRFCP, - .owner = THIS_MODULE, - }, - .reg = MC13783_REG_REGULATOR_MODE_0, - .enable_bit = MC13783_REGCTRL_VRFCP_EN, - }, - [MC13783_REGU_VSIM] = { - .desc = { - .name = "REGU_VSIM", - .ops = &mc13783_regulator_ops, - .type = REGULATOR_VOLTAGE, - .id = MC13783_REGU_VSIM, - .owner = THIS_MODULE, - }, - .reg = MC13783_REG_REGULATOR_MODE_1, - .enable_bit = MC13783_REGCTRL_VSIM_EN, - }, - [MC13783_REGU_VESIM] = { - .desc = { - .name = "REGU_VESIM", - .ops = &mc13783_regulator_ops, - .type = REGULATOR_VOLTAGE, - .id = MC13783_REGU_VESIM, - .owner = THIS_MODULE, - }, - .reg = MC13783_REG_REGULATOR_MODE_1, - .enable_bit = MC13783_REGCTRL_VESIM_EN, - }, - [MC13783_REGU_VCAM] = { - .desc = { - .name = "REGU_VCAM", - .ops = &mc13783_regulator_ops, - .type = REGULATOR_VOLTAGE, - .id = MC13783_REGU_VCAM, - .owner = THIS_MODULE, - }, - .reg = MC13783_REG_REGULATOR_MODE_1, - .enable_bit = MC13783_REGCTRL_VCAM_EN, - }, - [MC13783_REGU_VRFBG] = { - .desc = { - .name = "REGU_VRFBG", - .ops = &mc13783_regulator_ops, - .type = REGULATOR_VOLTAGE, - .id = MC13783_REGU_VRFBG, - .owner = THIS_MODULE, - }, - .reg = MC13783_REG_REGULATOR_MODE_1, - .enable_bit = MC13783_REGCTRL_VRFBG_EN, - }, - [MC13783_REGU_VVIB] = { - .desc = { - .name = "REGU_VVIB", - .ops = &mc13783_regulator_ops, - .type = REGULATOR_VOLTAGE, - .id = MC13783_REGU_VVIB, - .owner = THIS_MODULE, - }, - .reg = MC13783_REG_REGULATOR_MODE_1, - .enable_bit = MC13783_REGCTRL_VVIB_EN, - }, - [MC13783_REGU_VRF1] = { - .desc = { - .name = "REGU_VRF1", - .ops = &mc13783_regulator_ops, - .type = REGULATOR_VOLTAGE, - .id = MC13783_REGU_VRF1, - .owner = THIS_MODULE, - }, - .reg = MC13783_REG_REGULATOR_MODE_1, - .enable_bit = MC13783_REGCTRL_VRF1_EN, - }, - [MC13783_REGU_VRF2] = { - .desc = { - .name = "REGU_VRF2", - .ops = &mc13783_regulator_ops, - .type = REGULATOR_VOLTAGE, - .id = MC13783_REGU_VRF2, - .owner = THIS_MODULE, - }, - .reg = MC13783_REG_REGULATOR_MODE_1, - .enable_bit = MC13783_REGCTRL_VRF2_EN, - }, - [MC13783_REGU_VMMC1] = { - .desc = { - .name = "REGU_VMMC1", - .ops = &mc13783_regulator_ops, - .type = REGULATOR_VOLTAGE, - .id = MC13783_REGU_VMMC1, - .owner = THIS_MODULE, - }, - .reg = MC13783_REG_REGULATOR_MODE_1, - .enable_bit = MC13783_REGCTRL_VMMC1_EN, - }, - [MC13783_REGU_VMMC2] = { - .desc = { - .name = "REGU_VMMC2", - .ops = &mc13783_regulator_ops, - .type = REGULATOR_VOLTAGE, - .id = MC13783_REGU_VMMC2, - .owner = THIS_MODULE, - }, - .reg = MC13783_REG_REGULATOR_MODE_1, - .enable_bit = MC13783_REGCTRL_VMMC2_EN, - }, - [MC13783_REGU_GPO1] = { - .desc = { - .name = "REGU_GPO1", - .ops = &mc13783_regulator_ops, - .type = REGULATOR_VOLTAGE, - .id = MC13783_REGU_GPO1, - .owner = THIS_MODULE, - }, - .reg = MC13783_REG_POWER_MISCELLANEOUS, - .enable_bit = MC13783_REGCTRL_GPO1_EN, - }, - [MC13783_REGU_GPO2] = { - .desc = { - .name = "REGU_GPO2", - .ops = &mc13783_regulator_ops, - .type = REGULATOR_VOLTAGE, - .id = MC13783_REGU_GPO2, - .owner = THIS_MODULE, - }, - .reg = MC13783_REG_POWER_MISCELLANEOUS, - .enable_bit = MC13783_REGCTRL_GPO2_EN, - }, - [MC13783_REGU_GPO3] = { - .desc = { - .name = "REGU_GPO3", - .ops = &mc13783_regulator_ops, - .type = REGULATOR_VOLTAGE, - .id = MC13783_REGU_GPO3, - .owner = THIS_MODULE, - }, - .reg = MC13783_REG_POWER_MISCELLANEOUS, - .enable_bit = MC13783_REGCTRL_GPO3_EN, - }, - [MC13783_REGU_GPO4] = { - .desc = { - .name = "REGU_GPO4", - .ops = &mc13783_regulator_ops, - .type = REGULATOR_VOLTAGE, - .id = MC13783_REGU_GPO4, - .owner = THIS_MODULE, - }, - .reg = MC13783_REG_POWER_MISCELLANEOUS, - .enable_bit = MC13783_REGCTRL_GPO4_EN, - }, -}; - -struct mc13783_priv { - struct regulator_desc desc[ARRAY_SIZE(mc13783_regulators)]; - struct mc13783 *mc13783; - struct regulator_dev *regulators[0]; -}; - -static int mc13783_enable(struct regulator_dev *rdev) -{ - struct mc13783_priv *priv = rdev_get_drvdata(rdev); - int id = rdev_get_id(rdev); - - dev_dbg(rdev_get_dev(rdev), "%s id: %d\n", __func__, id); - - return mc13783_set_bits(priv->mc13783, mc13783_regulators[id].reg, - mc13783_regulators[id].enable_bit, - mc13783_regulators[id].enable_bit); -} - -static int mc13783_disable(struct regulator_dev *rdev) -{ - struct mc13783_priv *priv = rdev_get_drvdata(rdev); - int id = rdev_get_id(rdev); - - dev_dbg(rdev_get_dev(rdev), "%s id: %d\n", __func__, id); - - return mc13783_set_bits(priv->mc13783, mc13783_regulators[id].reg, - mc13783_regulators[id].enable_bit, 0); -} - -static int mc13783_is_enabled(struct regulator_dev *rdev) -{ - struct mc13783_priv *priv = rdev_get_drvdata(rdev); - int ret, id = rdev_get_id(rdev); - unsigned int val; - - ret = mc13783_reg_read(priv->mc13783, mc13783_regulators[id].reg, &val); - if (ret) - return ret; - - return (val & mc13783_regulators[id].enable_bit) != 0; -} - -static struct regulator_ops mc13783_regulator_ops = { - .enable = mc13783_enable, - .disable = mc13783_disable, - .is_enabled = mc13783_is_enabled, -}; - -static int __devinit mc13783_regulator_probe(struct platform_device *pdev) -{ - struct mc13783_priv *priv; - struct mc13783 *mc13783 = dev_get_drvdata(pdev->dev.parent); - struct mc13783_regulator_init_data *init_data; - int i, ret; - - dev_dbg(&pdev->dev, "mc13783_regulator_probe id %d\n", pdev->id); - - priv = kzalloc(sizeof(*priv) + mc13783->num_regulators * sizeof(void *), - GFP_KERNEL); - if (!priv) - return -ENOMEM; - - priv->mc13783 = mc13783; - - for (i = 0; i < mc13783->num_regulators; i++) { - init_data = &mc13783->regulators[i]; - priv->regulators[i] = regulator_register( - &mc13783_regulators[init_data->id].desc, - &pdev->dev, init_data->init_data, priv); - - if (IS_ERR(priv->regulators[i])) { - dev_err(&pdev->dev, "failed to register regulator %s\n", - mc13783_regulators[i].desc.name); - ret = PTR_ERR(priv->regulators[i]); - goto err; - } - } - - platform_set_drvdata(pdev, priv); - - return 0; -err: - while (--i >= 0) - regulator_unregister(priv->regulators[i]); - - kfree(priv); - - return ret; -} - -static int __devexit mc13783_regulator_remove(struct platform_device *pdev) -{ - struct mc13783_priv *priv = platform_get_drvdata(pdev); - struct mc13783 *mc13783 = priv->mc13783; - int i; - - for (i = 0; i < mc13783->num_regulators; i++) - regulator_unregister(priv->regulators[i]); - - return 0; -} - -static struct platform_driver mc13783_regulator_driver = { - .driver = { - .name = "mc13783-regulator", - .owner = THIS_MODULE, - }, - .remove = __devexit_p(mc13783_regulator_remove), -}; - -static int __init mc13783_regulator_init(void) -{ - return platform_driver_probe(&mc13783_regulator_driver, - mc13783_regulator_probe); -} -subsys_initcall(mc13783_regulator_init); - -static void __exit mc13783_regulator_exit(void) -{ - platform_driver_unregister(&mc13783_regulator_driver); -} -module_exit(mc13783_regulator_exit); - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("Sascha Hauer <s.hauer@pengutronix.de"); -MODULE_DESCRIPTION("Regulator Driver for Freescale MC13783 PMIC"); -MODULE_ALIAS("platform:mc13783-regulator"); diff --git a/drivers/regulator/twl-regulator.c b/drivers/regulator/twl-regulator.c index 7ea1c3a3108..7e674859bd5 100644 --- a/drivers/regulator/twl-regulator.c +++ b/drivers/regulator/twl-regulator.c @@ -12,6 +12,7 @@ #include <linux/module.h> #include <linux/init.h> #include <linux/err.h> +#include <linux/delay.h> #include <linux/platform_device.h> #include <linux/regulator/driver.h> #include <linux/regulator/machine.h> @@ -40,6 +41,12 @@ struct twlreg_info { u8 table_len; const u16 *table; + /* regulator specific turn-on delay */ + u16 delay; + + /* State REMAP default configuration */ + u8 remap; + /* chip constraints on regulator behavior */ u16 min_mV; @@ -128,6 +135,7 @@ static int twlreg_enable(struct regulator_dev *rdev) { struct twlreg_info *info = rdev_get_drvdata(rdev); int grp; + int ret; grp = twlreg_read(info, TWL_MODULE_PM_RECEIVER, VREG_GRP); if (grp < 0) @@ -138,7 +146,11 @@ static int twlreg_enable(struct regulator_dev *rdev) else grp |= P1_GRP_6030; - return twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_GRP, grp); + ret = twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_GRP, grp); + + udelay(info->delay); + + return ret; } static int twlreg_disable(struct regulator_dev *rdev) @@ -151,9 +163,9 @@ static int twlreg_disable(struct regulator_dev *rdev) return grp; if (twl_class_is_4030()) - grp &= ~P1_GRP_4030; + grp &= ~(P1_GRP_4030 | P2_GRP_4030 | P3_GRP_4030); else - grp &= ~P1_GRP_6030; + grp &= ~(P1_GRP_6030 | P2_GRP_6030 | P3_GRP_6030); return twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_GRP, grp); } @@ -294,6 +306,18 @@ static const u16 VSIM_VSEL_table[] = { static const u16 VDAC_VSEL_table[] = { 1200, 1300, 1800, 1800, }; +static const u16 VDD1_VSEL_table[] = { + 800, 1450, +}; +static const u16 VDD2_VSEL_table[] = { + 800, 1450, 1500, +}; +static const u16 VIO_VSEL_table[] = { + 1800, 1850, +}; +static const u16 VINTANA2_VSEL_table[] = { + 2500, 2750, +}; static const u16 VAUX1_6030_VSEL_table[] = { 1000, 1300, 1800, 2500, 2800, 2900, 3000, 3000, @@ -414,20 +438,30 @@ static struct regulator_ops twlfixed_ops = { /*----------------------------------------------------------------------*/ -#define TWL4030_ADJUSTABLE_LDO(label, offset, num) \ - TWL_ADJUSTABLE_LDO(label, offset, num, TWL4030) -#define TWL4030_FIXED_LDO(label, offset, mVolts, num) \ - TWL_FIXED_LDO(label, offset, mVolts, num, TWL4030) -#define TWL6030_ADJUSTABLE_LDO(label, offset, num) \ - TWL_ADJUSTABLE_LDO(label, offset, num, TWL6030) -#define TWL6030_FIXED_LDO(label, offset, mVolts, num) \ - TWL_FIXED_LDO(label, offset, mVolts, num, TWL6030) - -#define TWL_ADJUSTABLE_LDO(label, offset, num, family) { \ +#define TWL4030_ADJUSTABLE_LDO(label, offset, num, turnon_delay, remap_conf) \ + TWL_ADJUSTABLE_LDO(label, offset, num, turnon_delay, \ + remap_conf, TWL4030) +#define TWL4030_FIXED_LDO(label, offset, mVolts, num, turnon_delay, \ + remap_conf) \ + TWL_FIXED_LDO(label, offset, mVolts, num, turnon_delay, \ + remap_conf, TWL4030) +#define TWL6030_ADJUSTABLE_LDO(label, offset, num, turnon_delay, \ + remap_conf) \ + TWL_ADJUSTABLE_LDO(label, offset, num, turnon_delay, \ + remap_conf, TWL6030) +#define TWL6030_FIXED_LDO(label, offset, mVolts, num, turnon_delay, \ + remap_conf) \ + TWL_FIXED_LDO(label, offset, mVolts, num, turnon_delay, \ + remap_conf, TWL6030) + +#define TWL_ADJUSTABLE_LDO(label, offset, num, turnon_delay, remap_conf, \ + family) { \ .base = offset, \ .id = num, \ .table_len = ARRAY_SIZE(label##_VSEL_table), \ .table = label##_VSEL_table, \ + .delay = turnon_delay, \ + .remap = remap_conf, \ .desc = { \ .name = #label, \ .id = family##_REG_##label, \ @@ -438,10 +472,13 @@ static struct regulator_ops twlfixed_ops = { }, \ } -#define TWL_FIXED_LDO(label, offset, mVolts, num, family) { \ +#define TWL_FIXED_LDO(label, offset, mVolts, num, turnon_delay, remap_conf, \ + family) { \ .base = offset, \ .id = num, \ .min_mV = mVolts, \ + .delay = turnon_delay, \ + .remap = remap_conf, \ .desc = { \ .name = #label, \ .id = family##_REG_##label, \ @@ -457,43 +494,41 @@ static struct regulator_ops twlfixed_ops = { * software control over them after boot. */ static struct twlreg_info twl_regs[] = { - TWL4030_ADJUSTABLE_LDO(VAUX1, 0x17, 1), - TWL4030_ADJUSTABLE_LDO(VAUX2_4030, 0x1b, 2), - TWL4030_ADJUSTABLE_LDO(VAUX2, 0x1b, 2), - TWL4030_ADJUSTABLE_LDO(VAUX3, 0x1f, 3), - TWL4030_ADJUSTABLE_LDO(VAUX4, 0x23, 4), - TWL4030_ADJUSTABLE_LDO(VMMC1, 0x27, 5), - TWL4030_ADJUSTABLE_LDO(VMMC2, 0x2b, 6), - /* - TWL4030_ADJUSTABLE_LDO(VPLL1, 0x2f, 7), - */ - TWL4030_ADJUSTABLE_LDO(VPLL2, 0x33, 8), - TWL4030_ADJUSTABLE_LDO(VSIM, 0x37, 9), - TWL4030_ADJUSTABLE_LDO(VDAC, 0x3b, 10), - /* - TWL4030_ADJUSTABLE_LDO(VINTANA1, 0x3f, 11), - TWL4030_ADJUSTABLE_LDO(VINTANA2, 0x43, 12), - TWL4030_ADJUSTABLE_LDO(VINTDIG, 0x47, 13), - TWL4030_SMPS(VIO, 0x4b, 14), - TWL4030_SMPS(VDD1, 0x55, 15), - TWL4030_SMPS(VDD2, 0x63, 16), - */ - TWL4030_FIXED_LDO(VUSB1V5, 0x71, 1500, 17), - TWL4030_FIXED_LDO(VUSB1V8, 0x74, 1800, 18), - TWL4030_FIXED_LDO(VUSB3V1, 0x77, 3100, 19), + TWL4030_ADJUSTABLE_LDO(VAUX1, 0x17, 1, 100, 0x08), + TWL4030_ADJUSTABLE_LDO(VAUX2_4030, 0x1b, 2, 100, 0x08), + TWL4030_ADJUSTABLE_LDO(VAUX2, 0x1b, 2, 100, 0x08), + TWL4030_ADJUSTABLE_LDO(VAUX3, 0x1f, 3, 100, 0x08), + TWL4030_ADJUSTABLE_LDO(VAUX4, 0x23, 4, 100, 0x08), + TWL4030_ADJUSTABLE_LDO(VMMC1, 0x27, 5, 100, 0x08), + TWL4030_ADJUSTABLE_LDO(VMMC2, 0x2b, 6, 100, 0x08), + TWL4030_ADJUSTABLE_LDO(VPLL1, 0x2f, 7, 100, 0x00), + TWL4030_ADJUSTABLE_LDO(VPLL2, 0x33, 8, 100, 0x08), + TWL4030_ADJUSTABLE_LDO(VSIM, 0x37, 9, 100, 0x00), + TWL4030_ADJUSTABLE_LDO(VDAC, 0x3b, 10, 100, 0x08), + TWL4030_FIXED_LDO(VINTANA1, 0x3f, 1500, 11, 100, 0x08), + TWL4030_ADJUSTABLE_LDO(VINTANA2, 0x43, 12, 100, 0x08), + TWL4030_FIXED_LDO(VINTDIG, 0x47, 1500, 13, 100, 0x08), + TWL4030_ADJUSTABLE_LDO(VIO, 0x4b, 14, 1000, 0x08), + TWL4030_ADJUSTABLE_LDO(VDD1, 0x55, 15, 1000, 0x08), + TWL4030_ADJUSTABLE_LDO(VDD2, 0x63, 16, 1000, 0x08), + TWL4030_FIXED_LDO(VUSB1V5, 0x71, 1500, 17, 100, 0x08), + TWL4030_FIXED_LDO(VUSB1V8, 0x74, 1800, 18, 100, 0x08), + TWL4030_FIXED_LDO(VUSB3V1, 0x77, 3100, 19, 150, 0x08), /* VUSBCP is managed *only* by the USB subchip */ /* 6030 REG with base as PMC Slave Misc : 0x0030 */ - TWL6030_ADJUSTABLE_LDO(VAUX1_6030, 0x54, 1), - TWL6030_ADJUSTABLE_LDO(VAUX2_6030, 0x58, 2), - TWL6030_ADJUSTABLE_LDO(VAUX3_6030, 0x5c, 3), - TWL6030_ADJUSTABLE_LDO(VMMC, 0x68, 4), - TWL6030_ADJUSTABLE_LDO(VPP, 0x6c, 5), - TWL6030_ADJUSTABLE_LDO(VUSIM, 0x74, 7), - TWL6030_FIXED_LDO(VANA, 0x50, 2100, 15), - TWL6030_FIXED_LDO(VCXIO, 0x60, 1800, 16), - TWL6030_FIXED_LDO(VDAC, 0x64, 1800, 17), - TWL6030_FIXED_LDO(VUSB, 0x70, 3300, 18) + /* Turnon-delay and remap configuration values for 6030 are not + verified since the specification is not public */ + TWL6030_ADJUSTABLE_LDO(VAUX1_6030, 0x54, 1, 0, 0x08), + TWL6030_ADJUSTABLE_LDO(VAUX2_6030, 0x58, 2, 0, 0x08), + TWL6030_ADJUSTABLE_LDO(VAUX3_6030, 0x5c, 3, 0, 0x08), + TWL6030_ADJUSTABLE_LDO(VMMC, 0x68, 4, 0, 0x08), + TWL6030_ADJUSTABLE_LDO(VPP, 0x6c, 5, 0, 0x08), + TWL6030_ADJUSTABLE_LDO(VUSIM, 0x74, 7, 0, 0x08), + TWL6030_FIXED_LDO(VANA, 0x50, 2100, 15, 0, 0x08), + TWL6030_FIXED_LDO(VCXIO, 0x60, 1800, 16, 0, 0x08), + TWL6030_FIXED_LDO(VDAC, 0x64, 1800, 17, 0, 0x08), + TWL6030_FIXED_LDO(VUSB, 0x70, 3300, 18, 0, 0x08) }; static int twlreg_probe(struct platform_device *pdev) @@ -525,6 +560,19 @@ static int twlreg_probe(struct platform_device *pdev) c->valid_ops_mask &= REGULATOR_CHANGE_VOLTAGE | REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS; + switch (pdev->id) { + case TWL4030_REG_VIO: + case TWL4030_REG_VDD1: + case TWL4030_REG_VDD2: + case TWL4030_REG_VPLL1: + case TWL4030_REG_VINTANA1: + case TWL4030_REG_VINTANA2: + case TWL4030_REG_VINTDIG: + c->always_on = true; + break; + default: + break; + } rdev = regulator_register(&info->desc, &pdev->dev, initdata, info); if (IS_ERR(rdev)) { @@ -534,6 +582,9 @@ static int twlreg_probe(struct platform_device *pdev) } platform_set_drvdata(pdev, rdev); + twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_REMAP, + info->remap); + /* NOTE: many regulators support short-circuit IRQs (presentable * as REGULATOR_OVER_CURRENT notifications?) configured via: * - SC_CONFIG diff --git a/drivers/regulator/wm831x-dcdc.c b/drivers/regulator/wm831x-dcdc.c index 2eefc1a0cf0..0a6577577e8 100644 --- a/drivers/regulator/wm831x-dcdc.c +++ b/drivers/regulator/wm831x-dcdc.c @@ -19,6 +19,8 @@ #include <linux/i2c.h> #include <linux/platform_device.h> #include <linux/regulator/driver.h> +#include <linux/regulator/machine.h> +#include <linux/gpio.h> #include <linux/mfd/wm831x/core.h> #include <linux/mfd/wm831x/regulator.h> @@ -39,6 +41,7 @@ #define WM831X_DCDC_CONTROL_2 1 #define WM831X_DCDC_ON_CONFIG 2 #define WM831X_DCDC_SLEEP_CONTROL 3 +#define WM831X_DCDC_DVS_CONTROL 4 /* * Shared @@ -50,6 +53,10 @@ struct wm831x_dcdc { int base; struct wm831x *wm831x; struct regulator_dev *regulator; + int dvs_gpio; + int dvs_gpio_state; + int on_vsel; + int dvs_vsel; }; static int wm831x_dcdc_is_enabled(struct regulator_dev *rdev) @@ -240,11 +247,9 @@ static int wm831x_buckv_list_voltage(struct regulator_dev *rdev, return -EINVAL; } -static int wm831x_buckv_set_voltage_int(struct regulator_dev *rdev, int reg, - int min_uV, int max_uV) +static int wm831x_buckv_select_min_voltage(struct regulator_dev *rdev, + int min_uV, int max_uV) { - struct wm831x_dcdc *dcdc = rdev_get_drvdata(rdev); - struct wm831x *wm831x = dcdc->wm831x; u16 vsel; if (min_uV < 600000) @@ -257,39 +262,126 @@ static int wm831x_buckv_set_voltage_int(struct regulator_dev *rdev, int reg, if (wm831x_buckv_list_voltage(rdev, vsel) > max_uV) return -EINVAL; - return wm831x_set_bits(wm831x, reg, WM831X_DC1_ON_VSEL_MASK, vsel); + return vsel; +} + +static int wm831x_buckv_select_max_voltage(struct regulator_dev *rdev, + int min_uV, int max_uV) +{ + u16 vsel; + + if (max_uV < 600000 || max_uV > 1800000) + return -EINVAL; + + vsel = ((max_uV - 600000) / 12500) + 8; + + if (wm831x_buckv_list_voltage(rdev, vsel) < min_uV || + wm831x_buckv_list_voltage(rdev, vsel) < max_uV) + return -EINVAL; + + return vsel; +} + +static int wm831x_buckv_set_dvs(struct regulator_dev *rdev, int state) +{ + struct wm831x_dcdc *dcdc = rdev_get_drvdata(rdev); + + if (state == dcdc->dvs_gpio_state) + return 0; + + dcdc->dvs_gpio_state = state; + gpio_set_value(dcdc->dvs_gpio, state); + + /* Should wait for DVS state change to be asserted if we have + * a GPIO for it, for now assume the device is configured + * for the fastest possible transition. + */ + + return 0; } static int wm831x_buckv_set_voltage(struct regulator_dev *rdev, - int min_uV, int max_uV) + int min_uV, int max_uV) { struct wm831x_dcdc *dcdc = rdev_get_drvdata(rdev); - u16 reg = dcdc->base + WM831X_DCDC_ON_CONFIG; + struct wm831x *wm831x = dcdc->wm831x; + int on_reg = dcdc->base + WM831X_DCDC_ON_CONFIG; + int dvs_reg = dcdc->base + WM831X_DCDC_DVS_CONTROL; + int vsel, ret; + + vsel = wm831x_buckv_select_min_voltage(rdev, min_uV, max_uV); + if (vsel < 0) + return vsel; + + /* If this value is already set then do a GPIO update if we can */ + if (dcdc->dvs_gpio && dcdc->on_vsel == vsel) + return wm831x_buckv_set_dvs(rdev, 0); + + if (dcdc->dvs_gpio && dcdc->dvs_vsel == vsel) + return wm831x_buckv_set_dvs(rdev, 1); + + /* Always set the ON status to the minimum voltage */ + ret = wm831x_set_bits(wm831x, on_reg, WM831X_DC1_ON_VSEL_MASK, vsel); + if (ret < 0) + return ret; + dcdc->on_vsel = vsel; + + if (!dcdc->dvs_gpio) + return ret; + + /* Kick the voltage transition now */ + ret = wm831x_buckv_set_dvs(rdev, 0); + if (ret < 0) + return ret; + + /* Set the high voltage as the DVS voltage. This is optimised + * for CPUfreq usage, most processors will keep the maximum + * voltage constant and lower the minimum with the frequency. */ + vsel = wm831x_buckv_select_max_voltage(rdev, min_uV, max_uV); + if (vsel < 0) { + /* This should never happen - at worst the same vsel + * should be chosen */ + WARN_ON(vsel < 0); + return 0; + } + + /* Don't bother if it's the same VSEL we're already using */ + if (vsel == dcdc->on_vsel) + return 0; - return wm831x_buckv_set_voltage_int(rdev, reg, min_uV, max_uV); + ret = wm831x_set_bits(wm831x, dvs_reg, WM831X_DC1_DVS_VSEL_MASK, vsel); + if (ret == 0) + dcdc->dvs_vsel = vsel; + else + dev_warn(wm831x->dev, "Failed to set DCDC DVS VSEL: %d\n", + ret); + + return 0; } static int wm831x_buckv_set_suspend_voltage(struct regulator_dev *rdev, - int uV) + int uV) { struct wm831x_dcdc *dcdc = rdev_get_drvdata(rdev); + struct wm831x *wm831x = dcdc->wm831x; u16 reg = dcdc->base + WM831X_DCDC_SLEEP_CONTROL; + int vsel; + + vsel = wm831x_buckv_select_min_voltage(rdev, uV, uV); + if (vsel < 0) + return vsel; - return wm831x_buckv_set_voltage_int(rdev, reg, uV, uV); + return wm831x_set_bits(wm831x, reg, WM831X_DC1_SLP_VSEL_MASK, vsel); } static int wm831x_buckv_get_voltage(struct regulator_dev *rdev) { struct wm831x_dcdc *dcdc = rdev_get_drvdata(rdev); - struct wm831x *wm831x = dcdc->wm831x; - u16 reg = dcdc->base + WM831X_DCDC_ON_CONFIG; - int val; - val = wm831x_reg_read(wm831x, reg); - if (val < 0) - return val; - - return wm831x_buckv_list_voltage(rdev, val & WM831X_DC1_ON_VSEL_MASK); + if (dcdc->dvs_gpio && dcdc->dvs_gpio_state) + return wm831x_buckv_list_voltage(rdev, dcdc->dvs_vsel); + else + return wm831x_buckv_list_voltage(rdev, dcdc->on_vsel); } /* Current limit options */ @@ -346,6 +438,64 @@ static struct regulator_ops wm831x_buckv_ops = { .set_suspend_mode = wm831x_dcdc_set_suspend_mode, }; +/* + * Set up DVS control. We just log errors since we can still run + * (with reduced performance) if we fail. + */ +static __devinit void wm831x_buckv_dvs_init(struct wm831x_dcdc *dcdc, + struct wm831x_buckv_pdata *pdata) +{ + struct wm831x *wm831x = dcdc->wm831x; + int ret; + u16 ctrl; + + if (!pdata || !pdata->dvs_gpio) + return; + + switch (pdata->dvs_control_src) { + case 1: + ctrl = 2 << WM831X_DC1_DVS_SRC_SHIFT; + break; + case 2: + ctrl = 3 << WM831X_DC1_DVS_SRC_SHIFT; + break; + default: + dev_err(wm831x->dev, "Invalid DVS control source %d for %s\n", + pdata->dvs_control_src, dcdc->name); + return; + } + + ret = wm831x_set_bits(wm831x, dcdc->base + WM831X_DCDC_DVS_CONTROL, + WM831X_DC1_DVS_SRC_MASK, ctrl); + if (ret < 0) { + dev_err(wm831x->dev, "Failed to set %s DVS source: %d\n", + dcdc->name, ret); + return; + } + + ret = gpio_request(pdata->dvs_gpio, "DCDC DVS"); + if (ret < 0) { + dev_err(wm831x->dev, "Failed to get %s DVS GPIO: %d\n", + dcdc->name, ret); + return; + } + + /* gpiolib won't let us read the GPIO status so pick the higher + * of the two existing voltages so we take it as platform data. + */ + dcdc->dvs_gpio_state = pdata->dvs_init_state; + + ret = gpio_direction_output(pdata->dvs_gpio, dcdc->dvs_gpio_state); + if (ret < 0) { + dev_err(wm831x->dev, "Failed to enable %s DVS GPIO: %d\n", + dcdc->name, ret); + gpio_free(pdata->dvs_gpio); + return; + } + + dcdc->dvs_gpio = pdata->dvs_gpio; +} + static __devinit int wm831x_buckv_probe(struct platform_device *pdev) { struct wm831x *wm831x = dev_get_drvdata(pdev->dev.parent); @@ -384,6 +534,23 @@ static __devinit int wm831x_buckv_probe(struct platform_device *pdev) dcdc->desc.ops = &wm831x_buckv_ops; dcdc->desc.owner = THIS_MODULE; + ret = wm831x_reg_read(wm831x, dcdc->base + WM831X_DCDC_ON_CONFIG); + if (ret < 0) { + dev_err(wm831x->dev, "Failed to read ON VSEL: %d\n", ret); + goto err; + } + dcdc->on_vsel = ret & WM831X_DC1_ON_VSEL_MASK; + + ret = wm831x_reg_read(wm831x, dcdc->base + WM831X_DCDC_ON_CONFIG); + if (ret < 0) { + dev_err(wm831x->dev, "Failed to read DVS VSEL: %d\n", ret); + goto err; + } + dcdc->dvs_vsel = ret & WM831X_DC1_DVS_VSEL_MASK; + + if (pdata->dcdc[id]) + wm831x_buckv_dvs_init(dcdc, pdata->dcdc[id]->driver_data); + dcdc->regulator = regulator_register(&dcdc->desc, &pdev->dev, pdata->dcdc[id], dcdc); if (IS_ERR(dcdc->regulator)) { @@ -422,6 +589,8 @@ err_uv: err_regulator: regulator_unregister(dcdc->regulator); err: + if (dcdc->dvs_gpio) + gpio_free(dcdc->dvs_gpio); kfree(dcdc); return ret; } @@ -434,6 +603,8 @@ static __devexit int wm831x_buckv_remove(struct platform_device *pdev) wm831x_free_irq(wm831x, platform_get_irq_byname(pdev, "HC"), dcdc); wm831x_free_irq(wm831x, platform_get_irq_byname(pdev, "UV"), dcdc); regulator_unregister(dcdc->regulator); + if (dcdc->dvs_gpio) + gpio_free(dcdc->dvs_gpio); kfree(dcdc); return 0; diff --git a/drivers/regulator/wm831x-ldo.c b/drivers/regulator/wm831x-ldo.c index 902db56ce09..61e02ac2fda 100644 --- a/drivers/regulator/wm831x-ldo.c +++ b/drivers/regulator/wm831x-ldo.c @@ -470,7 +470,7 @@ static unsigned int wm831x_aldo_get_mode(struct regulator_dev *rdev) struct wm831x_ldo *ldo = rdev_get_drvdata(rdev); struct wm831x *wm831x = ldo->wm831x; int on_reg = ldo->base + WM831X_LDO_ON_CONTROL; - unsigned int ret; + int ret; ret = wm831x_reg_read(wm831x, on_reg); if (ret < 0) diff --git a/drivers/rtc/rtc-cmos.c b/drivers/rtc/rtc-cmos.c index eb154dc5716..c8c12325e69 100644 --- a/drivers/rtc/rtc-cmos.c +++ b/drivers/rtc/rtc-cmos.c @@ -686,7 +686,8 @@ cmos_do_probe(struct device *dev, struct resource *ports, int rtc_irq) */ #if defined(CONFIG_ATARI) address_space = 64; -#elif defined(__i386__) || defined(__x86_64__) || defined(__arm__) || defined(__sparc__) +#elif defined(__i386__) || defined(__x86_64__) || defined(__arm__) \ + || defined(__sparc__) || defined(__mips__) address_space = 128; #else #warning Assuming 128 bytes of RTC+NVRAM address space, not 64 bytes. diff --git a/drivers/rtc/rtc-ds1305.c b/drivers/rtc/rtc-ds1305.c index 259db7f3535..9630e7d3314 100644 --- a/drivers/rtc/rtc-ds1305.c +++ b/drivers/rtc/rtc-ds1305.c @@ -778,6 +778,8 @@ static int __devinit ds1305_probe(struct spi_device *spi) spi->irq, status); goto fail1; } + + device_set_wakeup_capable(&spi->dev, 1); } /* export NVRAM */ diff --git a/drivers/rtc/rtc-ds1307.c b/drivers/rtc/rtc-ds1307.c index 8a99da6f2f2..c4ec5c158aa 100644 --- a/drivers/rtc/rtc-ds1307.c +++ b/drivers/rtc/rtc-ds1307.c @@ -881,6 +881,8 @@ read_rtc: "unable to request IRQ!\n"); goto exit_irq; } + + device_set_wakeup_capable(&client->dev, 1); set_bit(HAS_ALARM, &ds1307->flags); dev_dbg(&client->dev, "got IRQ %d\n", client->irq); } diff --git a/drivers/rtc/rtc-ds1374.c b/drivers/rtc/rtc-ds1374.c index 713f7bf5afb..5317bbcbc7a 100644 --- a/drivers/rtc/rtc-ds1374.c +++ b/drivers/rtc/rtc-ds1374.c @@ -383,6 +383,8 @@ static int ds1374_probe(struct i2c_client *client, dev_err(&client->dev, "unable to request IRQ\n"); goto out_free; } + + device_set_wakeup_capable(&client->dev, 1); } ds1374->rtc = rtc_device_register(client->name, &client->dev, diff --git a/drivers/s390/block/dasd_alias.c b/drivers/s390/block/dasd_alias.c index fd1231738ef..148b1dd2407 100644 --- a/drivers/s390/block/dasd_alias.c +++ b/drivers/s390/block/dasd_alias.c @@ -218,7 +218,7 @@ int dasd_alias_make_device_known_to_lcu(struct dasd_device *device) spin_unlock_irqrestore(&aliastree.lock, flags); newlcu = _allocate_lcu(uid); if (IS_ERR(newlcu)) - return PTR_ERR(lcu); + return PTR_ERR(newlcu); spin_lock_irqsave(&aliastree.lock, flags); lcu = _find_lcu(server, uid); if (!lcu) { diff --git a/drivers/s390/block/dasd_diag.c b/drivers/s390/block/dasd_diag.c index f64d0db881b..6e14863f5c7 100644 --- a/drivers/s390/block/dasd_diag.c +++ b/drivers/s390/block/dasd_diag.c @@ -8,7 +8,7 @@ * */ -#define KMSG_COMPONENT "dasd-diag" +#define KMSG_COMPONENT "dasd" #include <linux/stddef.h> #include <linux/kernel.h> @@ -146,16 +146,16 @@ dasd_diag_erp(struct dasd_device *device) rc = mdsk_init_io(device, device->block->bp_block, 0, NULL); if (rc == 4) { if (!(device->features & DASD_FEATURE_READONLY)) { - dev_warn(&device->cdev->dev, - "The access mode of a DIAG device changed" - " to read-only"); + pr_warning("%s: The access mode of a DIAG device " + "changed to read-only\n", + dev_name(&device->cdev->dev)); device->features |= DASD_FEATURE_READONLY; } rc = 0; } if (rc) - dev_warn(&device->cdev->dev, "DIAG ERP failed with " - "rc=%d\n", rc); + pr_warning("%s: DIAG ERP failed with " + "rc=%d\n", dev_name(&device->cdev->dev), rc); } /* Start a given request at the device. Return zero on success, non-zero @@ -371,8 +371,9 @@ dasd_diag_check_device(struct dasd_device *device) private->pt_block = 2; break; default: - dev_warn(&device->cdev->dev, "Device type %d is not supported " - "in DIAG mode\n", private->rdc_data.vdev_class); + pr_warning("%s: Device type %d is not supported " + "in DIAG mode\n", dev_name(&device->cdev->dev), + private->rdc_data.vdev_class); rc = -EOPNOTSUPP; goto out; } @@ -413,8 +414,8 @@ dasd_diag_check_device(struct dasd_device *device) private->iob.flaga = DASD_DIAG_FLAGA_DEFAULT; rc = dia250(&private->iob, RW_BIO); if (rc == 3) { - dev_warn(&device->cdev->dev, - "A 64-bit DIAG call failed\n"); + pr_warning("%s: A 64-bit DIAG call failed\n", + dev_name(&device->cdev->dev)); rc = -EOPNOTSUPP; goto out_label; } @@ -423,8 +424,9 @@ dasd_diag_check_device(struct dasd_device *device) break; } if (bsize > PAGE_SIZE) { - dev_warn(&device->cdev->dev, "Accessing the DASD failed because" - " of an incorrect format (rc=%d)\n", rc); + pr_warning("%s: Accessing the DASD failed because of an " + "incorrect format (rc=%d)\n", + dev_name(&device->cdev->dev), rc); rc = -EIO; goto out_label; } @@ -442,18 +444,18 @@ dasd_diag_check_device(struct dasd_device *device) block->s2b_shift++; rc = mdsk_init_io(device, block->bp_block, 0, NULL); if (rc && (rc != 4)) { - dev_warn(&device->cdev->dev, "DIAG initialization " - "failed with rc=%d\n", rc); + pr_warning("%s: DIAG initialization failed with rc=%d\n", + dev_name(&device->cdev->dev), rc); rc = -EIO; } else { if (rc == 4) device->features |= DASD_FEATURE_READONLY; - dev_info(&device->cdev->dev, - "New DASD with %ld byte/block, total size %ld KB%s\n", - (unsigned long) block->bp_block, - (unsigned long) (block->blocks << - block->s2b_shift) >> 1, - (rc == 4) ? ", read-only device" : ""); + pr_info("%s: New DASD with %ld byte/block, total size %ld " + "KB%s\n", dev_name(&device->cdev->dev), + (unsigned long) block->bp_block, + (unsigned long) (block->blocks << + block->s2b_shift) >> 1, + (rc == 4) ? ", read-only device" : ""); rc = 0; } out_label: diff --git a/drivers/s390/char/fs3270.c b/drivers/s390/char/fs3270.c index 28e4649fa9e..247b2b93472 100644 --- a/drivers/s390/char/fs3270.c +++ b/drivers/s390/char/fs3270.c @@ -467,7 +467,7 @@ fs3270_open(struct inode *inode, struct file *filp) if (IS_ERR(ib)) { raw3270_put_view(&fp->view); raw3270_del_view(&fp->view); - rc = PTR_ERR(fp); + rc = PTR_ERR(ib); goto out; } fp->rdbuf = ib; diff --git a/drivers/s390/char/tape_34xx.c b/drivers/s390/char/tape_34xx.c index 3657fe103c2..cb70fa1cf53 100644 --- a/drivers/s390/char/tape_34xx.c +++ b/drivers/s390/char/tape_34xx.c @@ -9,6 +9,7 @@ */ #define KMSG_COMPONENT "tape_34xx" +#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt #include <linux/module.h> #include <linux/init.h> diff --git a/drivers/s390/char/tape_3590.c b/drivers/s390/char/tape_3590.c index 0c72aadb839..9821c588661 100644 --- a/drivers/s390/char/tape_3590.c +++ b/drivers/s390/char/tape_3590.c @@ -9,6 +9,7 @@ */ #define KMSG_COMPONENT "tape_3590" +#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt #include <linux/module.h> #include <linux/init.h> @@ -136,7 +137,7 @@ static void int_to_ext_kekl(struct tape3592_kekl *in, out->type_on_tape = TAPE390_KEKL_TYPE_LABEL; memcpy(out->label, in->label, sizeof(in->label)); EBCASC(out->label, sizeof(in->label)); - strstrip(out->label); + strim(out->label); } static void int_to_ext_kekl_pair(struct tape3592_kekl_pair *in, diff --git a/drivers/s390/char/tape_block.c b/drivers/s390/char/tape_block.c index 4799cc2f73c..96816149368 100644 --- a/drivers/s390/char/tape_block.c +++ b/drivers/s390/char/tape_block.c @@ -11,6 +11,7 @@ */ #define KMSG_COMPONENT "tape" +#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt #include <linux/fs.h> #include <linux/module.h> diff --git a/drivers/s390/char/tape_char.c b/drivers/s390/char/tape_char.c index 23d773a0d11..2125ec7d95f 100644 --- a/drivers/s390/char/tape_char.c +++ b/drivers/s390/char/tape_char.c @@ -10,6 +10,9 @@ * Martin Schwidefsky <schwidefsky@de.ibm.com> */ +#define KMSG_COMPONENT "tape" +#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt + #include <linux/module.h> #include <linux/types.h> #include <linux/proc_fs.h> diff --git a/drivers/s390/char/tape_class.c b/drivers/s390/char/tape_class.c index ddc914ccea8..b2864e3edb6 100644 --- a/drivers/s390/char/tape_class.c +++ b/drivers/s390/char/tape_class.c @@ -7,6 +7,10 @@ * Author: Stefan Bader <shbader@de.ibm.com> * Based on simple class device code by Greg K-H */ + +#define KMSG_COMPONENT "tape" +#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt + #include "tape_class.h" MODULE_AUTHOR("Stefan Bader <shbader@de.ibm.com>"); diff --git a/drivers/s390/char/tape_core.c b/drivers/s390/char/tape_core.c index f5d6802dc5d..81b094e480e 100644 --- a/drivers/s390/char/tape_core.c +++ b/drivers/s390/char/tape_core.c @@ -12,6 +12,8 @@ */ #define KMSG_COMPONENT "tape" +#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt + #include <linux/module.h> #include <linux/init.h> // for kernel parameters #include <linux/kmod.h> // for requesting modules diff --git a/drivers/s390/char/tape_proc.c b/drivers/s390/char/tape_proc.c index ebd820ccfb2..0ceb37984f7 100644 --- a/drivers/s390/char/tape_proc.c +++ b/drivers/s390/char/tape_proc.c @@ -11,6 +11,9 @@ * PROCFS Functions */ +#define KMSG_COMPONENT "tape" +#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt + #include <linux/module.h> #include <linux/vmalloc.h> #include <linux/seq_file.h> diff --git a/drivers/s390/char/tape_std.c b/drivers/s390/char/tape_std.c index 750354ad16e..03f07e5dd6e 100644 --- a/drivers/s390/char/tape_std.c +++ b/drivers/s390/char/tape_std.c @@ -11,6 +11,9 @@ * Stefan Bader <shbader@de.ibm.com> */ +#define KMSG_COMPONENT "tape" +#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt + #include <linux/stddef.h> #include <linux/kernel.h> #include <linux/bio.h> diff --git a/drivers/s390/cio/ccwreq.c b/drivers/s390/cio/ccwreq.c index 9509e386093..7a28a3029a3 100644 --- a/drivers/s390/cio/ccwreq.c +++ b/drivers/s390/cio/ccwreq.c @@ -49,7 +49,6 @@ static u16 ccwreq_next_path(struct ccw_device *cdev) */ static void ccwreq_stop(struct ccw_device *cdev, int rc) { - struct subchannel *sch = to_subchannel(cdev->dev.parent); struct ccw_request *req = &cdev->private->req; if (req->done) @@ -57,7 +56,6 @@ static void ccwreq_stop(struct ccw_device *cdev, int rc) req->done = 1; ccw_device_set_timeout(cdev, 0); memset(&cdev->private->irb, 0, sizeof(struct irb)); - sch->lpm = sch->schib.pmcw.pam; if (rc && rc != -ENODEV && req->drc) rc = req->drc; req->callback(cdev, req->data, rc); @@ -80,7 +78,6 @@ static void ccwreq_do(struct ccw_device *cdev) continue; } /* Perform start function. */ - sch->lpm = 0xff; memset(&cdev->private->irb, 0, sizeof(struct irb)); rc = cio_start(sch, cp, (u8) req->mask); if (rc == 0) { diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c index 73901c9e260..a6c7d5426fb 100644 --- a/drivers/s390/cio/device.c +++ b/drivers/s390/cio/device.c @@ -1519,6 +1519,7 @@ static int ccw_device_console_enable(struct ccw_device *cdev, sch->driver = &io_subchannel_driver; /* Initialize the ccw_device structure. */ cdev->dev.parent= &sch->dev; + sch_set_cdev(sch, cdev); io_subchannel_recog(cdev, sch); /* Now wait for the async. recognition to come to an end. */ spin_lock_irq(cdev->ccwlock); diff --git a/drivers/s390/cio/device_pgid.c b/drivers/s390/cio/device_pgid.c index aad188e43b4..6facb5499a6 100644 --- a/drivers/s390/cio/device_pgid.c +++ b/drivers/s390/cio/device_pgid.c @@ -142,7 +142,7 @@ static void spid_do(struct ccw_device *cdev) u8 fn; /* Use next available path that is not already in correct state. */ - req->lpm = lpm_adjust(req->lpm, sch->schib.pmcw.pam & ~sch->vpm); + req->lpm = lpm_adjust(req->lpm, cdev->private->pgid_todo_mask); if (!req->lpm) goto out_nopath; /* Channel program setup. */ @@ -254,15 +254,15 @@ static void pgid_analyze(struct ccw_device *cdev, struct pgid **p, *p = first; } -static u8 pgid_to_vpm(struct ccw_device *cdev) +static u8 pgid_to_donepm(struct ccw_device *cdev) { struct subchannel *sch = to_subchannel(cdev->dev.parent); struct pgid *pgid; int i; int lpm; - u8 vpm = 0; + u8 donepm = 0; - /* Set VPM bits for paths which are already in the target state. */ + /* Set bits for paths which are already in the target state. */ for (i = 0; i < 8; i++) { lpm = 0x80 >> i; if ((cdev->private->pgid_valid_mask & lpm) == 0) @@ -282,10 +282,10 @@ static u8 pgid_to_vpm(struct ccw_device *cdev) if (pgid->inf.ps.state3 != SNID_STATE3_SINGLE_PATH) continue; } - vpm |= lpm; + donepm |= lpm; } - return vpm; + return donepm; } static void pgid_fill(struct ccw_device *cdev, struct pgid *pgid) @@ -307,6 +307,7 @@ static void snid_done(struct ccw_device *cdev, int rc) int mismatch = 0; int reserved = 0; int reset = 0; + u8 donepm; if (rc) goto out; @@ -316,18 +317,20 @@ static void snid_done(struct ccw_device *cdev, int rc) else if (mismatch) rc = -EOPNOTSUPP; else { - sch->vpm = pgid_to_vpm(cdev); + donepm = pgid_to_donepm(cdev); + sch->vpm = donepm & sch->opm; + cdev->private->pgid_todo_mask &= ~donepm; pgid_fill(cdev, pgid); } out: CIO_MSG_EVENT(2, "snid: device 0.%x.%04x: rc=%d pvm=%02x vpm=%02x " - "mism=%d rsvd=%d reset=%d\n", id->ssid, id->devno, rc, - cdev->private->pgid_valid_mask, sch->vpm, mismatch, - reserved, reset); + "todo=%02x mism=%d rsvd=%d reset=%d\n", id->ssid, + id->devno, rc, cdev->private->pgid_valid_mask, sch->vpm, + cdev->private->pgid_todo_mask, mismatch, reserved, reset); switch (rc) { case 0: /* Anything left to do? */ - if (sch->vpm == sch->schib.pmcw.pam) { + if (cdev->private->pgid_todo_mask == 0) { verify_done(cdev, sch->vpm == 0 ? -EACCES : 0); return; } @@ -411,6 +414,7 @@ static void verify_start(struct ccw_device *cdev) struct ccw_dev_id *devid = &cdev->private->dev_id; sch->vpm = 0; + sch->lpm = sch->schib.pmcw.pam; /* Initialize request data. */ memset(req, 0, sizeof(*req)); req->timeout = PGID_TIMEOUT; @@ -442,11 +446,14 @@ static void verify_start(struct ccw_device *cdev) */ void ccw_device_verify_start(struct ccw_device *cdev) { + struct subchannel *sch = to_subchannel(cdev->dev.parent); + CIO_TRACE_EVENT(4, "vrfy"); CIO_HEX_EVENT(4, &cdev->private->dev_id, sizeof(cdev->private->dev_id)); /* Initialize PGID data. */ memset(cdev->private->pgid, 0, sizeof(cdev->private->pgid)); cdev->private->pgid_valid_mask = 0; + cdev->private->pgid_todo_mask = sch->schib.pmcw.pam; /* * Initialize pathgroup and multipath state with target values. * They may change in the course of path verification. diff --git a/drivers/s390/cio/fcx.c b/drivers/s390/cio/fcx.c index 61677dfbdc9..ca5e9bb9d45 100644 --- a/drivers/s390/cio/fcx.c +++ b/drivers/s390/cio/fcx.c @@ -163,7 +163,7 @@ void tcw_finalize(struct tcw *tcw, int num_tidaws) /* Add tcat to tccb. */ tccb = tcw_get_tccb(tcw); tcat = (struct tccb_tcat *) &tccb->tca[tca_size(tccb)]; - memset(tcat, 0, sizeof(tcat)); + memset(tcat, 0, sizeof(*tcat)); /* Calculate tcw input/output count and tcat transport count. */ count = calc_dcw_count(tccb); if (tcw->w && (tcw->flags & TCW_FLAGS_OUTPUT_TIDA)) @@ -269,7 +269,7 @@ EXPORT_SYMBOL(tccb_init); */ void tsb_init(struct tsb *tsb) { - memset(tsb, 0, sizeof(tsb)); + memset(tsb, 0, sizeof(*tsb)); } EXPORT_SYMBOL(tsb_init); diff --git a/drivers/s390/cio/io_sch.h b/drivers/s390/cio/io_sch.h index d72ae4c93af..b9ce712a7f2 100644 --- a/drivers/s390/cio/io_sch.h +++ b/drivers/s390/cio/io_sch.h @@ -150,6 +150,7 @@ struct ccw_device_private { struct ccw_request req; /* internal I/O request */ int iretry; u8 pgid_valid_mask; /* mask of valid PGIDs */ + u8 pgid_todo_mask; /* mask of PGIDs to be adjusted */ struct { unsigned int fast:1; /* post with "channel end" */ unsigned int repall:1; /* report every interrupt status */ diff --git a/drivers/s390/cio/qdio_main.c b/drivers/s390/cio/qdio_main.c index 4be6e84b959..b2275c5000e 100644 --- a/drivers/s390/cio/qdio_main.c +++ b/drivers/s390/cio/qdio_main.c @@ -486,7 +486,8 @@ static int get_inbound_buffer_frontier(struct qdio_q *q) case SLSB_P_INPUT_PRIMED: inbound_primed(q, count); q->first_to_check = add_buf(q->first_to_check, count); - atomic_sub(count, &q->nr_buf_used); + if (atomic_sub(count, &q->nr_buf_used) == 0) + qdio_perf_stat_inc(&perf_stats.inbound_queue_full); break; case SLSB_P_INPUT_ERROR: announce_buffer_error(q, count); diff --git a/drivers/s390/cio/qdio_perf.c b/drivers/s390/cio/qdio_perf.c index 968e3c7c263..54f7c325a3e 100644 --- a/drivers/s390/cio/qdio_perf.c +++ b/drivers/s390/cio/qdio_perf.c @@ -64,6 +64,8 @@ static int qdio_perf_proc_show(struct seq_file *m, void *v) (long)atomic_long_read(&perf_stats.fast_requeue)); seq_printf(m, "Number of outbound target full condition\t: %li\n", (long)atomic_long_read(&perf_stats.outbound_target_full)); + seq_printf(m, "Number of inbound queue full condition\t\t: %li\n", + (long)atomic_long_read(&perf_stats.inbound_queue_full)); seq_printf(m, "Number of outbound tasklet mod_timer calls\t: %li\n", (long)atomic_long_read(&perf_stats.debug_tl_out_timer)); seq_printf(m, "Number of stop polling calls\t\t\t: %li\n", diff --git a/drivers/s390/cio/qdio_perf.h b/drivers/s390/cio/qdio_perf.h index ff4504ce1e3..12454231dc8 100644 --- a/drivers/s390/cio/qdio_perf.h +++ b/drivers/s390/cio/qdio_perf.h @@ -36,6 +36,7 @@ struct qdio_perf_stats { atomic_long_t outbound_handler; atomic_long_t fast_requeue; atomic_long_t outbound_target_full; + atomic_long_t inbound_queue_full; /* for debugging */ atomic_long_t debug_tl_out_timer; diff --git a/drivers/s390/cio/qdio_setup.c b/drivers/s390/cio/qdio_setup.c index 18d54fc21ce..8c2dea5fa2b 100644 --- a/drivers/s390/cio/qdio_setup.c +++ b/drivers/s390/cio/qdio_setup.c @@ -48,7 +48,6 @@ static void set_impl_params(struct qdio_irq *irq_ptr, if (!irq_ptr) return; - WARN_ON((unsigned long)&irq_ptr->qib & 0xff); irq_ptr->qib.pfmt = qib_param_field_format; if (qib_param_field) memcpy(irq_ptr->qib.parm, qib_param_field, @@ -82,14 +81,12 @@ static int __qdio_allocate_qs(struct qdio_q **irq_ptr_qs, int nr_queues) q = kmem_cache_alloc(qdio_q_cache, GFP_KERNEL); if (!q) return -ENOMEM; - WARN_ON((unsigned long)q & 0xff); q->slib = (struct slib *) __get_free_page(GFP_KERNEL); if (!q->slib) { kmem_cache_free(qdio_q_cache, q); return -ENOMEM; } - WARN_ON((unsigned long)q->slib & 0x7ff); irq_ptr_qs[i] = q; } return 0; @@ -131,7 +128,7 @@ static void setup_storage_lists(struct qdio_q *q, struct qdio_irq *irq_ptr, /* fill in sbal */ for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; j++) { q->sbal[j] = *sbals_array++; - WARN_ON((unsigned long)q->sbal[j] & 0xff); + BUG_ON((unsigned long)q->sbal[j] & 0xff); } /* fill in slib */ @@ -147,11 +144,6 @@ static void setup_storage_lists(struct qdio_q *q, struct qdio_irq *irq_ptr, /* fill in sl */ for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; j++) q->sl->element[j].sbal = (unsigned long)q->sbal[j]; - - DBF_EVENT("sl-slsb-sbal"); - DBF_HEX(q->sl, sizeof(void *)); - DBF_HEX(&q->slsb, sizeof(void *)); - DBF_HEX(q->sbal, sizeof(void *)); } static void setup_queues(struct qdio_irq *irq_ptr, diff --git a/drivers/scsi/3w-9xxx.c b/drivers/scsi/3w-9xxx.c index 3bf75924741..84d3bbaa95e 100644 --- a/drivers/scsi/3w-9xxx.c +++ b/drivers/scsi/3w-9xxx.c @@ -76,6 +76,7 @@ Fix bug in twa_get_param() on 4GB+. Use pci_resource_len() for ioremap(). 2.26.02.012 - Add power management support. + 2.26.02.013 - Fix bug in twa_load_sgl(). */ #include <linux/module.h> @@ -100,7 +101,7 @@ #include "3w-9xxx.h" /* Globals */ -#define TW_DRIVER_VERSION "2.26.02.012" +#define TW_DRIVER_VERSION "2.26.02.013" static TW_Device_Extension *twa_device_extension_list[TW_MAX_SLOT]; static unsigned int twa_device_extension_count; static int twa_major = -1; @@ -1382,10 +1383,12 @@ static void twa_load_sgl(TW_Device_Extension *tw_dev, TW_Command_Full *full_comm newcommand = &full_command_packet->command.newcommand; newcommand->request_id__lunl = cpu_to_le16(TW_REQ_LUN_IN(TW_LUN_OUT(newcommand->request_id__lunl), request_id)); - newcommand->sg_list[0].address = TW_CPU_TO_SGL(dma_handle + sizeof(TW_Ioctl_Buf_Apache) - 1); - newcommand->sg_list[0].length = cpu_to_le32(length); + if (length) { + newcommand->sg_list[0].address = TW_CPU_TO_SGL(dma_handle + sizeof(TW_Ioctl_Buf_Apache) - 1); + newcommand->sg_list[0].length = cpu_to_le32(length); + } newcommand->sgl_entries__lunh = - cpu_to_le16(TW_REQ_LUN_IN(TW_LUN_OUT(newcommand->sgl_entries__lunh), 1)); + cpu_to_le16(TW_REQ_LUN_IN(TW_LUN_OUT(newcommand->sgl_entries__lunh), length ? 1 : 0)); } else { oldcommand = &full_command_packet->command.oldcommand; oldcommand->request_id = request_id; diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig index 36900c71a59..9191d1ea645 100644 --- a/drivers/scsi/Kconfig +++ b/drivers/scsi/Kconfig @@ -388,6 +388,16 @@ config BLK_DEV_3W_XXXX_RAID Please read the comments at the top of <file:drivers/scsi/3w-xxxx.c>. +config SCSI_HPSA + tristate "HP Smart Array SCSI driver" + depends on PCI && SCSI + help + This driver supports HP Smart Array Controllers (circa 2009). + It is a SCSI alternative to the cciss driver, which is a block + driver. Anyone wishing to use HP Smart Array controllers who + would prefer the devices be presented to linux as SCSI devices, + rather than as generic block devices should say Y here. + config SCSI_3W_9XXX tristate "3ware 9xxx SATA-RAID support" depends on PCI && SCSI diff --git a/drivers/scsi/Makefile b/drivers/scsi/Makefile index 280d3c657d6..92a8c500b23 100644 --- a/drivers/scsi/Makefile +++ b/drivers/scsi/Makefile @@ -91,6 +91,7 @@ obj-$(CONFIG_SCSI_BFA_FC) += bfa/ obj-$(CONFIG_SCSI_PAS16) += pas16.o obj-$(CONFIG_SCSI_T128) += t128.o obj-$(CONFIG_SCSI_DMX3191D) += dmx3191d.o +obj-$(CONFIG_SCSI_HPSA) += hpsa.o obj-$(CONFIG_SCSI_DTC3280) += dtc.o obj-$(CONFIG_SCSI_SYM53C8XX_2) += sym53c8xx_2/ obj-$(CONFIG_SCSI_ZALON) += zalon7xx.o diff --git a/drivers/scsi/be2iscsi/be_cmds.c b/drivers/scsi/be2iscsi/be_cmds.c index 698a527d6cc..f008708f1b0 100644 --- a/drivers/scsi/be2iscsi/be_cmds.c +++ b/drivers/scsi/be2iscsi/be_cmds.c @@ -135,11 +135,15 @@ int beiscsi_process_mcc(struct beiscsi_hba *phba) while ((compl = be_mcc_compl_get(phba))) { if (compl->flags & CQE_FLAGS_ASYNC_MASK) { /* Interpret flags as an async trailer */ - BUG_ON(!is_link_state_evt(compl->flags)); + if (is_link_state_evt(compl->flags)) + /* Interpret compl as a async link evt */ + beiscsi_async_link_state_process(phba, + (struct be_async_event_link_state *) compl); + else + SE_DEBUG(DBG_LVL_1, + " Unsupported Async Event, flags" + " = 0x%08x \n", compl->flags); - /* Interpret compl as a async link evt */ - beiscsi_async_link_state_process(phba, - (struct be_async_event_link_state *) compl); } else if (compl->flags & CQE_FLAGS_COMPLETED_MASK) { status = be_mcc_compl_process(ctrl, compl); atomic_dec(&phba->ctrl.mcc_obj.q.used); diff --git a/drivers/scsi/bnx2i/bnx2i.h b/drivers/scsi/bnx2i/bnx2i.h index 2b973f3c2eb..6cf9dc37d78 100644 --- a/drivers/scsi/bnx2i/bnx2i.h +++ b/drivers/scsi/bnx2i/bnx2i.h @@ -684,6 +684,7 @@ extern unsigned int error_mask1, error_mask2; extern u64 iscsi_error_mask; extern unsigned int en_tcp_dack; extern unsigned int event_coal_div; +extern unsigned int event_coal_min; extern struct scsi_transport_template *bnx2i_scsi_xport_template; extern struct iscsi_transport bnx2i_iscsi_transport; diff --git a/drivers/scsi/bnx2i/bnx2i_hwi.c b/drivers/scsi/bnx2i/bnx2i_hwi.c index 5c8d7630c13..1af578dec27 100644 --- a/drivers/scsi/bnx2i/bnx2i_hwi.c +++ b/drivers/scsi/bnx2i/bnx2i_hwi.c @@ -133,20 +133,38 @@ void bnx2i_arm_cq_event_coalescing(struct bnx2i_endpoint *ep, u8 action) { struct bnx2i_5771x_cq_db *cq_db; u16 cq_index; + u16 next_index; + u32 num_active_cmds; + + /* Coalesce CQ entries only on 10G devices */ if (!test_bit(BNX2I_NX2_DEV_57710, &ep->hba->cnic_dev_type)) return; + /* Do not update CQ DB multiple times before firmware writes + * '0xFFFF' to CQDB->SQN field. Deviation may cause spurious + * interrupts and other unwanted results + */ + cq_db = (struct bnx2i_5771x_cq_db *) ep->qp.cq_pgtbl_virt; + if (cq_db->sqn[0] && cq_db->sqn[0] != 0xFFFF) + return; + if (action == CNIC_ARM_CQE) { - cq_index = ep->qp.cqe_exp_seq_sn + - ep->num_active_cmds / event_coal_div; - cq_index %= (ep->qp.cqe_size * 2 + 1); - if (!cq_index) { + num_active_cmds = ep->num_active_cmds; + if (num_active_cmds <= event_coal_min) + next_index = 1; + else + next_index = event_coal_min + + (num_active_cmds - event_coal_min) / event_coal_div; + if (!next_index) + next_index = 1; + cq_index = ep->qp.cqe_exp_seq_sn + next_index - 1; + if (cq_index > ep->qp.cqe_size * 2) + cq_index -= ep->qp.cqe_size * 2; + if (!cq_index) cq_index = 1; - cq_db = (struct bnx2i_5771x_cq_db *) - ep->qp.cq_pgtbl_virt; - cq_db->sqn[0] = cq_index; - } + + cq_db->sqn[0] = cq_index; } } @@ -366,6 +384,7 @@ int bnx2i_send_iscsi_tmf(struct bnx2i_conn *bnx2i_conn, struct bnx2i_cmd *bnx2i_cmd; struct bnx2i_tmf_request *tmfabort_wqe; u32 dword; + u32 scsi_lun[2]; bnx2i_cmd = (struct bnx2i_cmd *)mtask->dd_data; tmfabort_hdr = (struct iscsi_tm *)mtask->hdr; @@ -376,27 +395,35 @@ int bnx2i_send_iscsi_tmf(struct bnx2i_conn *bnx2i_conn, tmfabort_wqe->op_attr = 0; tmfabort_wqe->op_attr = ISCSI_TMF_REQUEST_ALWAYS_ONE | ISCSI_TM_FUNC_ABORT_TASK; - tmfabort_wqe->lun[0] = be32_to_cpu(tmfabort_hdr->lun[0]); - tmfabort_wqe->lun[1] = be32_to_cpu(tmfabort_hdr->lun[1]); tmfabort_wqe->itt = (mtask->itt | (ISCSI_TASK_TYPE_MPATH << 14)); tmfabort_wqe->reserved2 = 0; tmfabort_wqe->cmd_sn = be32_to_cpu(tmfabort_hdr->cmdsn); ctask = iscsi_itt_to_task(conn, tmfabort_hdr->rtt); - if (!ctask || ctask->sc) + if (!ctask || !ctask->sc) /* * the iscsi layer must have completed the cmd while this * was starting up. + * + * Note: In the case of a SCSI cmd timeout, the task's sc + * is still active; hence ctask->sc != 0 + * In this case, the task must be aborted */ return 0; + ref_sc = ctask->sc; + /* Retrieve LUN directly from the ref_sc */ + int_to_scsilun(ref_sc->device->lun, (struct scsi_lun *) scsi_lun); + tmfabort_wqe->lun[0] = be32_to_cpu(scsi_lun[0]); + tmfabort_wqe->lun[1] = be32_to_cpu(scsi_lun[1]); + if (ref_sc->sc_data_direction == DMA_TO_DEVICE) dword = (ISCSI_TASK_TYPE_WRITE << ISCSI_CMD_REQUEST_TYPE_SHIFT); else dword = (ISCSI_TASK_TYPE_READ << ISCSI_CMD_REQUEST_TYPE_SHIFT); - tmfabort_wqe->ref_itt = (dword | tmfabort_hdr->rtt); + tmfabort_wqe->ref_itt = (dword | (tmfabort_hdr->rtt & ISCSI_ITT_MASK)); tmfabort_wqe->ref_cmd_sn = be32_to_cpu(tmfabort_hdr->refcmdsn); tmfabort_wqe->bd_list_addr_lo = (u32) bnx2i_conn->hba->mp_bd_dma; diff --git a/drivers/scsi/bnx2i/bnx2i_init.c b/drivers/scsi/bnx2i/bnx2i_init.c index 0c4210d48ee..6d8172e781c 100644 --- a/drivers/scsi/bnx2i/bnx2i_init.c +++ b/drivers/scsi/bnx2i/bnx2i_init.c @@ -17,8 +17,8 @@ static struct list_head adapter_list = LIST_HEAD_INIT(adapter_list); static u32 adapter_count; #define DRV_MODULE_NAME "bnx2i" -#define DRV_MODULE_VERSION "2.0.1e" -#define DRV_MODULE_RELDATE "June 22, 2009" +#define DRV_MODULE_VERSION "2.1.0" +#define DRV_MODULE_RELDATE "Dec 06, 2009" static char version[] __devinitdata = "Broadcom NetXtreme II iSCSI Driver " DRV_MODULE_NAME \ @@ -32,6 +32,10 @@ MODULE_VERSION(DRV_MODULE_VERSION); static DEFINE_MUTEX(bnx2i_dev_lock); +unsigned int event_coal_min = 24; +module_param(event_coal_min, int, 0664); +MODULE_PARM_DESC(event_coal_min, "Event Coalescing Minimum Commands"); + unsigned int event_coal_div = 1; module_param(event_coal_div, int, 0664); MODULE_PARM_DESC(event_coal_div, "Event Coalescing Divide Factor"); @@ -83,8 +87,12 @@ void bnx2i_identify_device(struct bnx2i_hba *hba) set_bit(BNX2I_NX2_DEV_5709, &hba->cnic_dev_type); hba->mail_queue_access = BNX2I_MQ_BIN_MODE; } else if (hba->pci_did == PCI_DEVICE_ID_NX2_57710 || - hba->pci_did == PCI_DEVICE_ID_NX2_57711) + hba->pci_did == PCI_DEVICE_ID_NX2_57711 || + hba->pci_did == PCI_DEVICE_ID_NX2_57711E) set_bit(BNX2I_NX2_DEV_57710, &hba->cnic_dev_type); + else + printk(KERN_ALERT "bnx2i: unknown device, 0x%x\n", + hba->pci_did); } @@ -363,7 +371,7 @@ static int __init bnx2i_mod_init(void) printk(KERN_INFO "%s", version); - if (!is_power_of_2(sq_size)) + if (sq_size && !is_power_of_2(sq_size)) sq_size = roundup_pow_of_two(sq_size); mutex_init(&bnx2i_dev_lock); diff --git a/drivers/scsi/bnx2i/bnx2i_iscsi.c b/drivers/scsi/bnx2i/bnx2i_iscsi.c index 132898c88d5..33b2294625b 100644 --- a/drivers/scsi/bnx2i/bnx2i_iscsi.c +++ b/drivers/scsi/bnx2i/bnx2i_iscsi.c @@ -485,7 +485,6 @@ static int bnx2i_setup_cmd_pool(struct bnx2i_hba *hba, struct iscsi_task *task = session->cmds[i]; struct bnx2i_cmd *cmd = task->dd_data; - /* Anil */ task->hdr = &cmd->hdr; task->hdr_max = sizeof(struct iscsi_hdr); @@ -765,7 +764,6 @@ struct bnx2i_hba *bnx2i_alloc_hba(struct cnic_dev *cnic) hba->pci_svid = hba->pcidev->subsystem_vendor; hba->pci_func = PCI_FUNC(hba->pcidev->devfn); hba->pci_devno = PCI_SLOT(hba->pcidev->devfn); - bnx2i_identify_device(hba); bnx2i_identify_device(hba); bnx2i_setup_host_queue_size(hba, shost); diff --git a/drivers/scsi/cxgb3i/cxgb3i_offload.c b/drivers/scsi/cxgb3i/cxgb3i_offload.c index c1d5be4adf9..26ffdcd5a43 100644 --- a/drivers/scsi/cxgb3i/cxgb3i_offload.c +++ b/drivers/scsi/cxgb3i/cxgb3i_offload.c @@ -291,7 +291,7 @@ static void act_open_req_arp_failure(struct t3cdev *dev, struct sk_buff *skb) c3cn_hold(c3cn); spin_lock_bh(&c3cn->lock); if (c3cn->state == C3CN_STATE_CONNECTING) - fail_act_open(c3cn, EHOSTUNREACH); + fail_act_open(c3cn, -EHOSTUNREACH); spin_unlock_bh(&c3cn->lock); c3cn_put(c3cn); __kfree_skb(skb); @@ -792,18 +792,18 @@ static int act_open_rpl_status_to_errno(int status) { switch (status) { case CPL_ERR_CONN_RESET: - return ECONNREFUSED; + return -ECONNREFUSED; case CPL_ERR_ARP_MISS: - return EHOSTUNREACH; + return -EHOSTUNREACH; case CPL_ERR_CONN_TIMEDOUT: - return ETIMEDOUT; + return -ETIMEDOUT; case CPL_ERR_TCAM_FULL: - return ENOMEM; + return -ENOMEM; case CPL_ERR_CONN_EXIST: cxgb3i_log_error("ACTIVE_OPEN_RPL: 4-tuple in use\n"); - return EADDRINUSE; + return -EADDRINUSE; default: - return EIO; + return -EIO; } } @@ -817,7 +817,7 @@ static void act_open_retry_timer(unsigned long data) spin_lock_bh(&c3cn->lock); skb = alloc_skb(sizeof(struct cpl_act_open_req), GFP_ATOMIC); if (!skb) - fail_act_open(c3cn, ENOMEM); + fail_act_open(c3cn, -ENOMEM); else { skb->sk = (struct sock *)c3cn; set_arp_failure_handler(skb, act_open_req_arp_failure); @@ -966,14 +966,14 @@ static int abort_status_to_errno(struct s3_conn *c3cn, int abort_reason, case CPL_ERR_BAD_SYN: /* fall through */ case CPL_ERR_CONN_RESET: return c3cn->state > C3CN_STATE_ESTABLISHED ? - EPIPE : ECONNRESET; + -EPIPE : -ECONNRESET; case CPL_ERR_XMIT_TIMEDOUT: case CPL_ERR_PERSIST_TIMEDOUT: case CPL_ERR_FINWAIT2_TIMEDOUT: case CPL_ERR_KEEPALIVE_TIMEDOUT: - return ETIMEDOUT; + return -ETIMEDOUT; default: - return EIO; + return -EIO; } } @@ -1563,7 +1563,7 @@ free_tid: s3_free_atid(cdev, c3cn->tid); c3cn->tid = 0; out_err: - return -1; + return -EINVAL; } diff --git a/drivers/scsi/cxgb3i/cxgb3i_pdu.c b/drivers/scsi/cxgb3i/cxgb3i_pdu.c index 70910507117..1fe3b0f1f3c 100644 --- a/drivers/scsi/cxgb3i/cxgb3i_pdu.c +++ b/drivers/scsi/cxgb3i/cxgb3i_pdu.c @@ -388,8 +388,8 @@ int cxgb3i_conn_xmit_pdu(struct iscsi_task *task) if (err > 0) { int pdulen = err; - cxgb3i_tx_debug("task 0x%p, skb 0x%p, len %u/%u, rv %d.\n", - task, skb, skb->len, skb->data_len, err); + cxgb3i_tx_debug("task 0x%p, skb 0x%p, len %u/%u, rv %d.\n", + task, skb, skb->len, skb->data_len, err); if (task->conn->hdrdgst_en) pdulen += ISCSI_DIGEST_SIZE; diff --git a/drivers/scsi/device_handler/scsi_dh_rdac.c b/drivers/scsi/device_handler/scsi_dh_rdac.c index 47cfe1c49c3..1a660191a90 100644 --- a/drivers/scsi/device_handler/scsi_dh_rdac.c +++ b/drivers/scsi/device_handler/scsi_dh_rdac.c @@ -748,6 +748,8 @@ static const struct scsi_dh_devlist rdac_dev_list[] = { {"IBM", "1724"}, {"IBM", "1726"}, {"IBM", "1742"}, + {"IBM", "1745"}, + {"IBM", "1746"}, {"IBM", "1814"}, {"IBM", "1815"}, {"IBM", "1818"}, diff --git a/drivers/scsi/fcoe/fcoe.c b/drivers/scsi/fcoe/fcoe.c index a30ffaa1222..10be9f36a4c 100644 --- a/drivers/scsi/fcoe/fcoe.c +++ b/drivers/scsi/fcoe/fcoe.c @@ -101,6 +101,8 @@ static int fcoe_cpu_callback(struct notifier_block *, unsigned long, void *); static int fcoe_create(const char *, struct kernel_param *); static int fcoe_destroy(const char *, struct kernel_param *); +static int fcoe_enable(const char *, struct kernel_param *); +static int fcoe_disable(const char *, struct kernel_param *); static struct fc_seq *fcoe_elsct_send(struct fc_lport *, u32 did, struct fc_frame *, @@ -115,10 +117,16 @@ static void fcoe_get_lesb(struct fc_lport *, struct fc_els_lesb *); module_param_call(create, fcoe_create, NULL, NULL, S_IWUSR); __MODULE_PARM_TYPE(create, "string"); -MODULE_PARM_DESC(create, "Create fcoe fcoe using net device passed in."); +MODULE_PARM_DESC(create, " Creates fcoe instance on a ethernet interface"); module_param_call(destroy, fcoe_destroy, NULL, NULL, S_IWUSR); __MODULE_PARM_TYPE(destroy, "string"); -MODULE_PARM_DESC(destroy, "Destroy fcoe fcoe"); +MODULE_PARM_DESC(destroy, " Destroys fcoe instance on a ethernet interface"); +module_param_call(enable, fcoe_enable, NULL, NULL, S_IWUSR); +__MODULE_PARM_TYPE(enable, "string"); +MODULE_PARM_DESC(enable, " Enables fcoe on a ethernet interface."); +module_param_call(disable, fcoe_disable, NULL, NULL, S_IWUSR); +__MODULE_PARM_TYPE(disable, "string"); +MODULE_PARM_DESC(disable, " Disables fcoe on a ethernet interface."); /* notification function for packets from net device */ static struct notifier_block fcoe_notifier = { @@ -545,6 +553,23 @@ static void fcoe_queue_timer(ulong lport) } /** + * fcoe_get_wwn() - Get the world wide name from LLD if it supports it + * @netdev: the associated net device + * @wwn: the output WWN + * @type: the type of WWN (WWPN or WWNN) + * + * Returns: 0 for success + */ +static int fcoe_get_wwn(struct net_device *netdev, u64 *wwn, int type) +{ + const struct net_device_ops *ops = netdev->netdev_ops; + + if (ops->ndo_fcoe_get_wwn) + return ops->ndo_fcoe_get_wwn(netdev, wwn, type); + return -EINVAL; +} + +/** * fcoe_netdev_config() - Set up net devive for SW FCoE * @lport: The local port that is associated with the net device * @netdev: The associated net device @@ -611,9 +636,13 @@ static int fcoe_netdev_config(struct fc_lport *lport, struct net_device *netdev) */ if (netdev->priv_flags & IFF_802_1Q_VLAN) vid = vlan_dev_vlan_id(netdev); - wwnn = fcoe_wwn_from_mac(fcoe->ctlr.ctl_src_addr, 1, 0); + + if (fcoe_get_wwn(netdev, &wwnn, NETDEV_FCOE_WWNN)) + wwnn = fcoe_wwn_from_mac(fcoe->ctlr.ctl_src_addr, 1, 0); fc_set_wwnn(lport, wwnn); - wwpn = fcoe_wwn_from_mac(fcoe->ctlr.ctl_src_addr, 2, vid); + if (fcoe_get_wwn(netdev, &wwpn, NETDEV_FCOE_WWPN)) + wwpn = fcoe_wwn_from_mac(fcoe->ctlr.ctl_src_addr, + 2, vid); fc_set_wwpn(lport, wwpn); } @@ -1231,7 +1260,7 @@ int fcoe_rcv(struct sk_buff *skb, struct net_device *netdev, "CPU.\n"); spin_unlock_bh(&fps->fcoe_rx_list.lock); - cpu = first_cpu(cpu_online_map); + cpu = cpumask_first(cpu_online_mask); fps = &per_cpu(fcoe_percpu, cpu); spin_lock_bh(&fps->fcoe_rx_list.lock); if (!fps->thread) { @@ -1838,6 +1867,104 @@ static struct net_device *fcoe_if_to_netdev(const char *buffer) } /** + * fcoe_disable() - Disables a FCoE interface + * @buffer: The name of the Ethernet interface to be disabled + * @kp: The associated kernel parameter + * + * Called from sysfs. + * + * Returns: 0 for success + */ +static int fcoe_disable(const char *buffer, struct kernel_param *kp) +{ + struct fcoe_interface *fcoe; + struct net_device *netdev; + int rc = 0; + + mutex_lock(&fcoe_config_mutex); +#ifdef CONFIG_FCOE_MODULE + /* + * Make sure the module has been initialized, and is not about to be + * removed. Module paramter sysfs files are writable before the + * module_init function is called and after module_exit. + */ + if (THIS_MODULE->state != MODULE_STATE_LIVE) { + rc = -ENODEV; + goto out_nodev; + } +#endif + + netdev = fcoe_if_to_netdev(buffer); + if (!netdev) { + rc = -ENODEV; + goto out_nodev; + } + + rtnl_lock(); + fcoe = fcoe_hostlist_lookup_port(netdev); + rtnl_unlock(); + + if (fcoe) + fc_fabric_logoff(fcoe->ctlr.lp); + else + rc = -ENODEV; + + dev_put(netdev); +out_nodev: + mutex_unlock(&fcoe_config_mutex); + return rc; +} + +/** + * fcoe_enable() - Enables a FCoE interface + * @buffer: The name of the Ethernet interface to be enabled + * @kp: The associated kernel parameter + * + * Called from sysfs. + * + * Returns: 0 for success + */ +static int fcoe_enable(const char *buffer, struct kernel_param *kp) +{ + struct fcoe_interface *fcoe; + struct net_device *netdev; + int rc = 0; + + mutex_lock(&fcoe_config_mutex); +#ifdef CONFIG_FCOE_MODULE + /* + * Make sure the module has been initialized, and is not about to be + * removed. Module paramter sysfs files are writable before the + * module_init function is called and after module_exit. + */ + if (THIS_MODULE->state != MODULE_STATE_LIVE) { + rc = -ENODEV; + goto out_nodev; + } +#endif + + netdev = fcoe_if_to_netdev(buffer); + if (!netdev) { + rc = -ENODEV; + goto out_nodev; + } + + rtnl_lock(); + fcoe = fcoe_hostlist_lookup_port(netdev); + rtnl_unlock(); + + if (fcoe) + rc = fc_fabric_login(fcoe->ctlr.lp); + else + rc = -ENODEV; + + dev_put(netdev); +out_nodev: + mutex_unlock(&fcoe_config_mutex); + return rc; +} + +/** * fcoe_destroy() - Destroy a FCoE interface * @buffer: The name of the Ethernet interface to be destroyed * @kp: The associated kernel parameter diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c new file mode 100644 index 00000000000..bb96fdd58e2 --- /dev/null +++ b/drivers/scsi/hpsa.c @@ -0,0 +1,3531 @@ +/* + * Disk Array driver for HP Smart Array SAS controllers + * Copyright 2000, 2009 Hewlett-Packard Development Company, L.P. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * + * Questions/Comments/Bugfixes to iss_storagedev@hp.com + * + */ + +#include <linux/module.h> +#include <linux/interrupt.h> +#include <linux/types.h> +#include <linux/pci.h> +#include <linux/kernel.h> +#include <linux/slab.h> +#include <linux/delay.h> +#include <linux/fs.h> +#include <linux/timer.h> +#include <linux/seq_file.h> +#include <linux/init.h> +#include <linux/spinlock.h> +#include <linux/smp_lock.h> +#include <linux/compat.h> +#include <linux/blktrace_api.h> +#include <linux/uaccess.h> +#include <linux/io.h> +#include <linux/dma-mapping.h> +#include <linux/completion.h> +#include <linux/moduleparam.h> +#include <scsi/scsi.h> +#include <scsi/scsi_cmnd.h> +#include <scsi/scsi_device.h> +#include <scsi/scsi_host.h> +#include <linux/cciss_ioctl.h> +#include <linux/string.h> +#include <linux/bitmap.h> +#include <asm/atomic.h> +#include <linux/kthread.h> +#include "hpsa_cmd.h" +#include "hpsa.h" + +/* HPSA_DRIVER_VERSION must be 3 byte values (0-255) separated by '.' */ +#define HPSA_DRIVER_VERSION "1.0.0" +#define DRIVER_NAME "HP HPSA Driver (v " HPSA_DRIVER_VERSION ")" + +/* How long to wait (in milliseconds) for board to go into simple mode */ +#define MAX_CONFIG_WAIT 30000 +#define MAX_IOCTL_CONFIG_WAIT 1000 + +/*define how many times we will try a command because of bus resets */ +#define MAX_CMD_RETRIES 3 + +/* Embedded module documentation macros - see modules.h */ +MODULE_AUTHOR("Hewlett-Packard Company"); +MODULE_DESCRIPTION("Driver for HP Smart Array Controller version " \ + HPSA_DRIVER_VERSION); +MODULE_SUPPORTED_DEVICE("HP Smart Array Controllers"); +MODULE_VERSION(HPSA_DRIVER_VERSION); +MODULE_LICENSE("GPL"); + +static int hpsa_allow_any; +module_param(hpsa_allow_any, int, S_IRUGO|S_IWUSR); +MODULE_PARM_DESC(hpsa_allow_any, + "Allow hpsa driver to access unknown HP Smart Array hardware"); + +/* define the PCI info for the cards we can control */ +static const struct pci_device_id hpsa_pci_device_id[] = { + {PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSC, 0x103C, 0x3223}, + {PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSC, 0x103C, 0x3234}, + {PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSC, 0x103C, 0x323D}, + {PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSE, 0x103C, 0x3241}, + {PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSE, 0x103C, 0x3243}, + {PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSE, 0x103C, 0x3245}, + {PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSE, 0x103C, 0x3247}, + {PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSE, 0x103C, 0x3249}, + {PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSE, 0x103C, 0x324a}, + {PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSE, 0x103C, 0x324b}, + {PCI_VENDOR_ID_HP, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, + PCI_CLASS_STORAGE_RAID << 8, 0xffff << 8, 0}, + {0,} +}; + +MODULE_DEVICE_TABLE(pci, hpsa_pci_device_id); + +/* board_id = Subsystem Device ID & Vendor ID + * product = Marketing Name for the board + * access = Address of the struct of function pointers + */ +static struct board_type products[] = { + {0x3223103C, "Smart Array P800", &SA5_access}, + {0x3234103C, "Smart Array P400", &SA5_access}, + {0x323d103c, "Smart Array P700M", &SA5_access}, + {0x3241103C, "Smart Array P212", &SA5_access}, + {0x3243103C, "Smart Array P410", &SA5_access}, + {0x3245103C, "Smart Array P410i", &SA5_access}, + {0x3247103C, "Smart Array P411", &SA5_access}, + {0x3249103C, "Smart Array P812", &SA5_access}, + {0x324a103C, "Smart Array P712m", &SA5_access}, + {0x324b103C, "Smart Array P711m", &SA5_access}, + {0xFFFF103C, "Unknown Smart Array", &SA5_access}, +}; + +static int number_of_controllers; + +static irqreturn_t do_hpsa_intr(int irq, void *dev_id); +static int hpsa_ioctl(struct scsi_device *dev, int cmd, void *arg); +static void start_io(struct ctlr_info *h); + +#ifdef CONFIG_COMPAT +static int hpsa_compat_ioctl(struct scsi_device *dev, int cmd, void *arg); +#endif + +static void cmd_free(struct ctlr_info *h, struct CommandList *c); +static void cmd_special_free(struct ctlr_info *h, struct CommandList *c); +static struct CommandList *cmd_alloc(struct ctlr_info *h); +static struct CommandList *cmd_special_alloc(struct ctlr_info *h); +static void fill_cmd(struct CommandList *c, __u8 cmd, struct ctlr_info *h, + void *buff, size_t size, __u8 page_code, unsigned char *scsi3addr, + int cmd_type); + +static int hpsa_scsi_queue_command(struct scsi_cmnd *cmd, + void (*done)(struct scsi_cmnd *)); + +static int hpsa_eh_device_reset_handler(struct scsi_cmnd *scsicmd); +static int hpsa_slave_alloc(struct scsi_device *sdev); +static void hpsa_slave_destroy(struct scsi_device *sdev); + +static ssize_t raid_level_show(struct device *dev, + struct device_attribute *attr, char *buf); +static ssize_t lunid_show(struct device *dev, + struct device_attribute *attr, char *buf); +static ssize_t unique_id_show(struct device *dev, + struct device_attribute *attr, char *buf); +static void hpsa_update_scsi_devices(struct ctlr_info *h, int hostno); +static ssize_t host_store_rescan(struct device *dev, + struct device_attribute *attr, const char *buf, size_t count); +static int check_for_unit_attention(struct ctlr_info *h, + struct CommandList *c); +static void check_ioctl_unit_attention(struct ctlr_info *h, + struct CommandList *c); + +static DEVICE_ATTR(raid_level, S_IRUGO, raid_level_show, NULL); +static DEVICE_ATTR(lunid, S_IRUGO, lunid_show, NULL); +static DEVICE_ATTR(unique_id, S_IRUGO, unique_id_show, NULL); +static DEVICE_ATTR(rescan, S_IWUSR, NULL, host_store_rescan); + +static struct device_attribute *hpsa_sdev_attrs[] = { + &dev_attr_raid_level, + &dev_attr_lunid, + &dev_attr_unique_id, + NULL, +}; + +static struct device_attribute *hpsa_shost_attrs[] = { + &dev_attr_rescan, + NULL, +}; + +static struct scsi_host_template hpsa_driver_template = { + .module = THIS_MODULE, + .name = "hpsa", + .proc_name = "hpsa", + .queuecommand = hpsa_scsi_queue_command, + .can_queue = 512, + .this_id = -1, + .sg_tablesize = MAXSGENTRIES, + .cmd_per_lun = 512, + .use_clustering = ENABLE_CLUSTERING, + .eh_device_reset_handler = hpsa_eh_device_reset_handler, + .ioctl = hpsa_ioctl, + .slave_alloc = hpsa_slave_alloc, + .slave_destroy = hpsa_slave_destroy, +#ifdef CONFIG_COMPAT + .compat_ioctl = hpsa_compat_ioctl, +#endif + .sdev_attrs = hpsa_sdev_attrs, + .shost_attrs = hpsa_shost_attrs, +}; + +static inline struct ctlr_info *sdev_to_hba(struct scsi_device *sdev) +{ + unsigned long *priv = shost_priv(sdev->host); + return (struct ctlr_info *) *priv; +} + +static struct task_struct *hpsa_scan_thread; +static DEFINE_MUTEX(hpsa_scan_mutex); +static LIST_HEAD(hpsa_scan_q); +static int hpsa_scan_func(void *data); + +/** + * add_to_scan_list() - add controller to rescan queue + * @h: Pointer to the controller. + * + * Adds the controller to the rescan queue if not already on the queue. + * + * returns 1 if added to the queue, 0 if skipped (could be on the + * queue already, or the controller could be initializing or shutting + * down). + **/ +static int add_to_scan_list(struct ctlr_info *h) +{ + struct ctlr_info *test_h; + int found = 0; + int ret = 0; + + if (h->busy_initializing) + return 0; + + /* + * If we don't get the lock, it means the driver is unloading + * and there's no point in scheduling a new scan. + */ + if (!mutex_trylock(&h->busy_shutting_down)) + return 0; + + mutex_lock(&hpsa_scan_mutex); + list_for_each_entry(test_h, &hpsa_scan_q, scan_list) { + if (test_h == h) { + found = 1; + break; + } + } + if (!found && !h->busy_scanning) { + INIT_COMPLETION(h->scan_wait); + list_add_tail(&h->scan_list, &hpsa_scan_q); + ret = 1; + } + mutex_unlock(&hpsa_scan_mutex); + mutex_unlock(&h->busy_shutting_down); + + return ret; +} + +/** + * remove_from_scan_list() - remove controller from rescan queue + * @h: Pointer to the controller. + * + * Removes the controller from the rescan queue if present. Blocks if + * the controller is currently conducting a rescan. The controller + * can be in one of three states: + * 1. Doesn't need a scan + * 2. On the scan list, but not scanning yet (we remove it) + * 3. Busy scanning (and not on the list). In this case we want to wait for + * the scan to complete to make sure the scanning thread for this + * controller is completely idle. + **/ +static void remove_from_scan_list(struct ctlr_info *h) +{ + struct ctlr_info *test_h, *tmp_h; + + mutex_lock(&hpsa_scan_mutex); + list_for_each_entry_safe(test_h, tmp_h, &hpsa_scan_q, scan_list) { + if (test_h == h) { /* state 2. */ + list_del(&h->scan_list); + complete_all(&h->scan_wait); + mutex_unlock(&hpsa_scan_mutex); + return; + } + } + if (h->busy_scanning) { /* state 3. */ + mutex_unlock(&hpsa_scan_mutex); + wait_for_completion(&h->scan_wait); + } else { /* state 1, nothing to do. */ + mutex_unlock(&hpsa_scan_mutex); + } +} + +/* hpsa_scan_func() - kernel thread used to rescan controllers + * @data: Ignored. + * + * A kernel thread used scan for drive topology changes on + * controllers. The thread processes only one controller at a time + * using a queue. Controllers are added to the queue using + * add_to_scan_list() and removed from the queue either after done + * processing or using remove_from_scan_list(). + * + * returns 0. + **/ +static int hpsa_scan_func(__attribute__((unused)) void *data) +{ + struct ctlr_info *h; + int host_no; + + while (1) { + set_current_state(TASK_INTERRUPTIBLE); + schedule(); + if (kthread_should_stop()) + break; + + while (1) { + mutex_lock(&hpsa_scan_mutex); + if (list_empty(&hpsa_scan_q)) { + mutex_unlock(&hpsa_scan_mutex); + break; + } + h = list_entry(hpsa_scan_q.next, struct ctlr_info, + scan_list); + list_del(&h->scan_list); + h->busy_scanning = 1; + mutex_unlock(&hpsa_scan_mutex); + host_no = h->scsi_host ? h->scsi_host->host_no : -1; + hpsa_update_scsi_devices(h, host_no); + complete_all(&h->scan_wait); + mutex_lock(&hpsa_scan_mutex); + h->busy_scanning = 0; + mutex_unlock(&hpsa_scan_mutex); + } + } + return 0; +} + +static int check_for_unit_attention(struct ctlr_info *h, + struct CommandList *c) +{ + if (c->err_info->SenseInfo[2] != UNIT_ATTENTION) + return 0; + + switch (c->err_info->SenseInfo[12]) { + case STATE_CHANGED: + dev_warn(&h->pdev->dev, "hpsa%d: a state change " + "detected, command retried\n", h->ctlr); + break; + case LUN_FAILED: + dev_warn(&h->pdev->dev, "hpsa%d: LUN failure " + "detected, action required\n", h->ctlr); + break; + case REPORT_LUNS_CHANGED: + dev_warn(&h->pdev->dev, "hpsa%d: report LUN data " + "changed\n", h->ctlr); + /* + * Here, we could call add_to_scan_list and wake up the scan thread, + * except that it's quite likely that we will get more than one + * REPORT_LUNS_CHANGED condition in quick succession, which means + * that those which occur after the first one will likely happen + * *during* the hpsa_scan_thread's rescan. And the rescan code is not + * robust enough to restart in the middle, undoing what it has already + * done, and it's not clear that it's even possible to do this, since + * part of what it does is notify the SCSI mid layer, which starts + * doing it's own i/o to read partition tables and so on, and the + * driver doesn't have visibility to know what might need undoing. + * In any event, if possible, it is horribly complicated to get right + * so we just don't do it for now. + * + * Note: this REPORT_LUNS_CHANGED condition only occurs on the MSA2012. + */ + break; + case POWER_OR_RESET: + dev_warn(&h->pdev->dev, "hpsa%d: a power on " + "or device reset detected\n", h->ctlr); + break; + case UNIT_ATTENTION_CLEARED: + dev_warn(&h->pdev->dev, "hpsa%d: unit attention " + "cleared by another initiator\n", h->ctlr); + break; + default: + dev_warn(&h->pdev->dev, "hpsa%d: unknown " + "unit attention detected\n", h->ctlr); + break; + } + return 1; +} + +static ssize_t host_store_rescan(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct ctlr_info *h; + struct Scsi_Host *shost = class_to_shost(dev); + unsigned long *priv = shost_priv(shost); + h = (struct ctlr_info *) *priv; + if (add_to_scan_list(h)) { + wake_up_process(hpsa_scan_thread); + wait_for_completion_interruptible(&h->scan_wait); + } + return count; +} + +/* Enqueuing and dequeuing functions for cmdlists. */ +static inline void addQ(struct hlist_head *list, struct CommandList *c) +{ + hlist_add_head(&c->list, list); +} + +static void enqueue_cmd_and_start_io(struct ctlr_info *h, + struct CommandList *c) +{ + unsigned long flags; + spin_lock_irqsave(&h->lock, flags); + addQ(&h->reqQ, c); + h->Qdepth++; + start_io(h); + spin_unlock_irqrestore(&h->lock, flags); +} + +static inline void removeQ(struct CommandList *c) +{ + if (WARN_ON(hlist_unhashed(&c->list))) + return; + hlist_del_init(&c->list); +} + +static inline int is_hba_lunid(unsigned char scsi3addr[]) +{ + return memcmp(scsi3addr, RAID_CTLR_LUNID, 8) == 0; +} + +static inline int is_logical_dev_addr_mode(unsigned char scsi3addr[]) +{ + return (scsi3addr[3] & 0xC0) == 0x40; +} + +static const char *raid_label[] = { "0", "4", "1(1+0)", "5", "5+1", "ADG", + "UNKNOWN" +}; +#define RAID_UNKNOWN (ARRAY_SIZE(raid_label) - 1) + +static ssize_t raid_level_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + ssize_t l = 0; + int rlevel; + struct ctlr_info *h; + struct scsi_device *sdev; + struct hpsa_scsi_dev_t *hdev; + unsigned long flags; + + sdev = to_scsi_device(dev); + h = sdev_to_hba(sdev); + spin_lock_irqsave(&h->lock, flags); + hdev = sdev->hostdata; + if (!hdev) { + spin_unlock_irqrestore(&h->lock, flags); + return -ENODEV; + } + + /* Is this even a logical drive? */ + if (!is_logical_dev_addr_mode(hdev->scsi3addr)) { + spin_unlock_irqrestore(&h->lock, flags); + l = snprintf(buf, PAGE_SIZE, "N/A\n"); + return l; + } + + rlevel = hdev->raid_level; + spin_unlock_irqrestore(&h->lock, flags); + if (rlevel < 0 || rlevel > RAID_UNKNOWN) + rlevel = RAID_UNKNOWN; + l = snprintf(buf, PAGE_SIZE, "RAID %s\n", raid_label[rlevel]); + return l; +} + +static ssize_t lunid_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct ctlr_info *h; + struct scsi_device *sdev; + struct hpsa_scsi_dev_t *hdev; + unsigned long flags; + unsigned char lunid[8]; + + sdev = to_scsi_device(dev); + h = sdev_to_hba(sdev); + spin_lock_irqsave(&h->lock, flags); + hdev = sdev->hostdata; + if (!hdev) { + spin_unlock_irqrestore(&h->lock, flags); + return -ENODEV; + } + memcpy(lunid, hdev->scsi3addr, sizeof(lunid)); + spin_unlock_irqrestore(&h->lock, flags); + return snprintf(buf, 20, "0x%02x%02x%02x%02x%02x%02x%02x%02x\n", + lunid[0], lunid[1], lunid[2], lunid[3], + lunid[4], lunid[5], lunid[6], lunid[7]); +} + +static ssize_t unique_id_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct ctlr_info *h; + struct scsi_device *sdev; + struct hpsa_scsi_dev_t *hdev; + unsigned long flags; + unsigned char sn[16]; + + sdev = to_scsi_device(dev); + h = sdev_to_hba(sdev); + spin_lock_irqsave(&h->lock, flags); + hdev = sdev->hostdata; + if (!hdev) { + spin_unlock_irqrestore(&h->lock, flags); + return -ENODEV; + } + memcpy(sn, hdev->device_id, sizeof(sn)); + spin_unlock_irqrestore(&h->lock, flags); + return snprintf(buf, 16 * 2 + 2, + "%02X%02X%02X%02X%02X%02X%02X%02X" + "%02X%02X%02X%02X%02X%02X%02X%02X\n", + sn[0], sn[1], sn[2], sn[3], + sn[4], sn[5], sn[6], sn[7], + sn[8], sn[9], sn[10], sn[11], + sn[12], sn[13], sn[14], sn[15]); +} + +static int hpsa_find_target_lun(struct ctlr_info *h, + unsigned char scsi3addr[], int bus, int *target, int *lun) +{ + /* finds an unused bus, target, lun for a new physical device + * assumes h->devlock is held + */ + int i, found = 0; + DECLARE_BITMAP(lun_taken, HPSA_MAX_SCSI_DEVS_PER_HBA); + + memset(&lun_taken[0], 0, HPSA_MAX_SCSI_DEVS_PER_HBA >> 3); + + for (i = 0; i < h->ndevices; i++) { + if (h->dev[i]->bus == bus && h->dev[i]->target != -1) + set_bit(h->dev[i]->target, lun_taken); + } + + for (i = 0; i < HPSA_MAX_SCSI_DEVS_PER_HBA; i++) { + if (!test_bit(i, lun_taken)) { + /* *bus = 1; */ + *target = i; + *lun = 0; + found = 1; + break; + } + } + return !found; +} + +/* Add an entry into h->dev[] array. */ +static int hpsa_scsi_add_entry(struct ctlr_info *h, int hostno, + struct hpsa_scsi_dev_t *device, + struct hpsa_scsi_dev_t *added[], int *nadded) +{ + /* assumes h->devlock is held */ + int n = h->ndevices; + int i; + unsigned char addr1[8], addr2[8]; + struct hpsa_scsi_dev_t *sd; + + if (n >= HPSA_MAX_SCSI_DEVS_PER_HBA) { + dev_err(&h->pdev->dev, "too many devices, some will be " + "inaccessible.\n"); + return -1; + } + + /* physical devices do not have lun or target assigned until now. */ + if (device->lun != -1) + /* Logical device, lun is already assigned. */ + goto lun_assigned; + + /* If this device a non-zero lun of a multi-lun device + * byte 4 of the 8-byte LUN addr will contain the logical + * unit no, zero otherise. + */ + if (device->scsi3addr[4] == 0) { + /* This is not a non-zero lun of a multi-lun device */ + if (hpsa_find_target_lun(h, device->scsi3addr, + device->bus, &device->target, &device->lun) != 0) + return -1; + goto lun_assigned; + } + + /* This is a non-zero lun of a multi-lun device. + * Search through our list and find the device which + * has the same 8 byte LUN address, excepting byte 4. + * Assign the same bus and target for this new LUN. + * Use the logical unit number from the firmware. + */ + memcpy(addr1, device->scsi3addr, 8); + addr1[4] = 0; + for (i = 0; i < n; i++) { + sd = h->dev[i]; + memcpy(addr2, sd->scsi3addr, 8); + addr2[4] = 0; + /* differ only in byte 4? */ + if (memcmp(addr1, addr2, 8) == 0) { + device->bus = sd->bus; + device->target = sd->target; + device->lun = device->scsi3addr[4]; + break; + } + } + if (device->lun == -1) { + dev_warn(&h->pdev->dev, "physical device with no LUN=0," + " suspect firmware bug or unsupported hardware " + "configuration.\n"); + return -1; + } + +lun_assigned: + + h->dev[n] = device; + h->ndevices++; + added[*nadded] = device; + (*nadded)++; + + /* initially, (before registering with scsi layer) we don't + * know our hostno and we don't want to print anything first + * time anyway (the scsi layer's inquiries will show that info) + */ + /* if (hostno != -1) */ + dev_info(&h->pdev->dev, "%s device c%db%dt%dl%d added.\n", + scsi_device_type(device->devtype), hostno, + device->bus, device->target, device->lun); + return 0; +} + +/* Remove an entry from h->dev[] array. */ +static void hpsa_scsi_remove_entry(struct ctlr_info *h, int hostno, int entry, + struct hpsa_scsi_dev_t *removed[], int *nremoved) +{ + /* assumes h->devlock is held */ + int i; + struct hpsa_scsi_dev_t *sd; + + if (entry < 0 || entry >= HPSA_MAX_SCSI_DEVS_PER_HBA) + BUG(); + + sd = h->dev[entry]; + removed[*nremoved] = h->dev[entry]; + (*nremoved)++; + + for (i = entry; i < h->ndevices-1; i++) + h->dev[i] = h->dev[i+1]; + h->ndevices--; + dev_info(&h->pdev->dev, "%s device c%db%dt%dl%d removed.\n", + scsi_device_type(sd->devtype), hostno, sd->bus, sd->target, + sd->lun); +} + +#define SCSI3ADDR_EQ(a, b) ( \ + (a)[7] == (b)[7] && \ + (a)[6] == (b)[6] && \ + (a)[5] == (b)[5] && \ + (a)[4] == (b)[4] && \ + (a)[3] == (b)[3] && \ + (a)[2] == (b)[2] && \ + (a)[1] == (b)[1] && \ + (a)[0] == (b)[0]) + +static void fixup_botched_add(struct ctlr_info *h, + struct hpsa_scsi_dev_t *added) +{ + /* called when scsi_add_device fails in order to re-adjust + * h->dev[] to match the mid layer's view. + */ + unsigned long flags; + int i, j; + + spin_lock_irqsave(&h->lock, flags); + for (i = 0; i < h->ndevices; i++) { + if (h->dev[i] == added) { + for (j = i; j < h->ndevices-1; j++) + h->dev[j] = h->dev[j+1]; + h->ndevices--; + break; + } + } + spin_unlock_irqrestore(&h->lock, flags); + kfree(added); +} + +static inline int device_is_the_same(struct hpsa_scsi_dev_t *dev1, + struct hpsa_scsi_dev_t *dev2) +{ + if ((is_logical_dev_addr_mode(dev1->scsi3addr) || + (dev1->lun != -1 && dev2->lun != -1)) && + dev1->devtype != 0x0C) + return (memcmp(dev1, dev2, sizeof(*dev1)) == 0); + + /* we compare everything except lun and target as these + * are not yet assigned. Compare parts likely + * to differ first + */ + if (memcmp(dev1->scsi3addr, dev2->scsi3addr, + sizeof(dev1->scsi3addr)) != 0) + return 0; + if (memcmp(dev1->device_id, dev2->device_id, + sizeof(dev1->device_id)) != 0) + return 0; + if (memcmp(dev1->model, dev2->model, sizeof(dev1->model)) != 0) + return 0; + if (memcmp(dev1->vendor, dev2->vendor, sizeof(dev1->vendor)) != 0) + return 0; + if (memcmp(dev1->revision, dev2->revision, sizeof(dev1->revision)) != 0) + return 0; + if (dev1->devtype != dev2->devtype) + return 0; + if (dev1->raid_level != dev2->raid_level) + return 0; + if (dev1->bus != dev2->bus) + return 0; + return 1; +} + +/* Find needle in haystack. If exact match found, return DEVICE_SAME, + * and return needle location in *index. If scsi3addr matches, but not + * vendor, model, serial num, etc. return DEVICE_CHANGED, and return needle + * location in *index. If needle not found, return DEVICE_NOT_FOUND. + */ +static int hpsa_scsi_find_entry(struct hpsa_scsi_dev_t *needle, + struct hpsa_scsi_dev_t *haystack[], int haystack_size, + int *index) +{ + int i; +#define DEVICE_NOT_FOUND 0 +#define DEVICE_CHANGED 1 +#define DEVICE_SAME 2 + for (i = 0; i < haystack_size; i++) { + if (SCSI3ADDR_EQ(needle->scsi3addr, haystack[i]->scsi3addr)) { + *index = i; + if (device_is_the_same(needle, haystack[i])) + return DEVICE_SAME; + else + return DEVICE_CHANGED; + } + } + *index = -1; + return DEVICE_NOT_FOUND; +} + +static int adjust_hpsa_scsi_table(struct ctlr_info *h, int hostno, + struct hpsa_scsi_dev_t *sd[], int nsds) +{ + /* sd contains scsi3 addresses and devtypes, and inquiry + * data. This function takes what's in sd to be the current + * reality and updates h->dev[] to reflect that reality. + */ + int i, entry, device_change, changes = 0; + struct hpsa_scsi_dev_t *csd; + unsigned long flags; + struct hpsa_scsi_dev_t **added, **removed; + int nadded, nremoved; + struct Scsi_Host *sh = NULL; + + added = kzalloc(sizeof(*added) * HPSA_MAX_SCSI_DEVS_PER_HBA, + GFP_KERNEL); + removed = kzalloc(sizeof(*removed) * HPSA_MAX_SCSI_DEVS_PER_HBA, + GFP_KERNEL); + + if (!added || !removed) { + dev_warn(&h->pdev->dev, "out of memory in " + "adjust_hpsa_scsi_table\n"); + goto free_and_out; + } + + spin_lock_irqsave(&h->devlock, flags); + + /* find any devices in h->dev[] that are not in + * sd[] and remove them from h->dev[], and for any + * devices which have changed, remove the old device + * info and add the new device info. + */ + i = 0; + nremoved = 0; + nadded = 0; + while (i < h->ndevices) { + csd = h->dev[i]; + device_change = hpsa_scsi_find_entry(csd, sd, nsds, &entry); + if (device_change == DEVICE_NOT_FOUND) { + changes++; + hpsa_scsi_remove_entry(h, hostno, i, + removed, &nremoved); + continue; /* remove ^^^, hence i not incremented */ + } else if (device_change == DEVICE_CHANGED) { + changes++; + hpsa_scsi_remove_entry(h, hostno, i, + removed, &nremoved); + (void) hpsa_scsi_add_entry(h, hostno, sd[entry], + added, &nadded); + /* add can't fail, we just removed one. */ + sd[entry] = NULL; /* prevent it from being freed */ + } + i++; + } + + /* Now, make sure every device listed in sd[] is also + * listed in h->dev[], adding them if they aren't found + */ + + for (i = 0; i < nsds; i++) { + if (!sd[i]) /* if already added above. */ + continue; + device_change = hpsa_scsi_find_entry(sd[i], h->dev, + h->ndevices, &entry); + if (device_change == DEVICE_NOT_FOUND) { + changes++; + if (hpsa_scsi_add_entry(h, hostno, sd[i], + added, &nadded) != 0) + break; + sd[i] = NULL; /* prevent from being freed later. */ + } else if (device_change == DEVICE_CHANGED) { + /* should never happen... */ + changes++; + dev_warn(&h->pdev->dev, + "device unexpectedly changed.\n"); + /* but if it does happen, we just ignore that device */ + } + } + spin_unlock_irqrestore(&h->devlock, flags); + + /* Don't notify scsi mid layer of any changes the first time through + * (or if there are no changes) scsi_scan_host will do it later the + * first time through. + */ + if (hostno == -1 || !changes) + goto free_and_out; + + sh = h->scsi_host; + /* Notify scsi mid layer of any removed devices */ + for (i = 0; i < nremoved; i++) { + struct scsi_device *sdev = + scsi_device_lookup(sh, removed[i]->bus, + removed[i]->target, removed[i]->lun); + if (sdev != NULL) { + scsi_remove_device(sdev); + scsi_device_put(sdev); + } else { + /* We don't expect to get here. + * future cmds to this device will get selection + * timeout as if the device was gone. + */ + dev_warn(&h->pdev->dev, "didn't find c%db%dt%dl%d " + " for removal.", hostno, removed[i]->bus, + removed[i]->target, removed[i]->lun); + } + kfree(removed[i]); + removed[i] = NULL; + } + + /* Notify scsi mid layer of any added devices */ + for (i = 0; i < nadded; i++) { + if (scsi_add_device(sh, added[i]->bus, + added[i]->target, added[i]->lun) == 0) + continue; + dev_warn(&h->pdev->dev, "scsi_add_device c%db%dt%dl%d failed, " + "device not added.\n", hostno, added[i]->bus, + added[i]->target, added[i]->lun); + /* now we have to remove it from h->dev, + * since it didn't get added to scsi mid layer + */ + fixup_botched_add(h, added[i]); + } + +free_and_out: + kfree(added); + kfree(removed); + return 0; +} + +/* + * Lookup bus/target/lun and retrun corresponding struct hpsa_scsi_dev_t * + * Assume's h->devlock is held. + */ +static struct hpsa_scsi_dev_t *lookup_hpsa_scsi_dev(struct ctlr_info *h, + int bus, int target, int lun) +{ + int i; + struct hpsa_scsi_dev_t *sd; + + for (i = 0; i < h->ndevices; i++) { + sd = h->dev[i]; + if (sd->bus == bus && sd->target == target && sd->lun == lun) + return sd; + } + return NULL; +} + +/* link sdev->hostdata to our per-device structure. */ +static int hpsa_slave_alloc(struct scsi_device *sdev) +{ + struct hpsa_scsi_dev_t *sd; + unsigned long flags; + struct ctlr_info *h; + + h = sdev_to_hba(sdev); + spin_lock_irqsave(&h->devlock, flags); + sd = lookup_hpsa_scsi_dev(h, sdev_channel(sdev), + sdev_id(sdev), sdev->lun); + if (sd != NULL) + sdev->hostdata = sd; + spin_unlock_irqrestore(&h->devlock, flags); + return 0; +} + +static void hpsa_slave_destroy(struct scsi_device *sdev) +{ + return; /* nothing to do. */ +} + +static void hpsa_scsi_setup(struct ctlr_info *h) +{ + h->ndevices = 0; + h->scsi_host = NULL; + spin_lock_init(&h->devlock); + return; +} + +static void complete_scsi_command(struct CommandList *cp, + int timeout, __u32 tag) +{ + struct scsi_cmnd *cmd; + struct ctlr_info *h; + struct ErrorInfo *ei; + + unsigned char sense_key; + unsigned char asc; /* additional sense code */ + unsigned char ascq; /* additional sense code qualifier */ + + ei = cp->err_info; + cmd = (struct scsi_cmnd *) cp->scsi_cmd; + h = cp->h; + + scsi_dma_unmap(cmd); /* undo the DMA mappings */ + + cmd->result = (DID_OK << 16); /* host byte */ + cmd->result |= (COMMAND_COMPLETE << 8); /* msg byte */ + cmd->result |= (ei->ScsiStatus << 1); + + /* copy the sense data whether we need to or not. */ + memcpy(cmd->sense_buffer, ei->SenseInfo, + ei->SenseLen > SCSI_SENSE_BUFFERSIZE ? + SCSI_SENSE_BUFFERSIZE : + ei->SenseLen); + scsi_set_resid(cmd, ei->ResidualCnt); + + if (ei->CommandStatus == 0) { + cmd->scsi_done(cmd); + cmd_free(h, cp); + return; + } + + /* an error has occurred */ + switch (ei->CommandStatus) { + + case CMD_TARGET_STATUS: + if (ei->ScsiStatus) { + /* Get sense key */ + sense_key = 0xf & ei->SenseInfo[2]; + /* Get additional sense code */ + asc = ei->SenseInfo[12]; + /* Get addition sense code qualifier */ + ascq = ei->SenseInfo[13]; + } + + if (ei->ScsiStatus == SAM_STAT_CHECK_CONDITION) { + if (check_for_unit_attention(h, cp)) { + cmd->result = DID_SOFT_ERROR << 16; + break; + } + if (sense_key == ILLEGAL_REQUEST) { + /* + * SCSI REPORT_LUNS is commonly unsupported on + * Smart Array. Suppress noisy complaint. + */ + if (cp->Request.CDB[0] == REPORT_LUNS) + break; + + /* If ASC/ASCQ indicate Logical Unit + * Not Supported condition, + */ + if ((asc == 0x25) && (ascq == 0x0)) { + dev_warn(&h->pdev->dev, "cp %p " + "has check condition\n", cp); + break; + } + } + + if (sense_key == NOT_READY) { + /* If Sense is Not Ready, Logical Unit + * Not ready, Manual Intervention + * required + */ + if ((asc == 0x04) && (ascq == 0x03)) { + cmd->result = DID_NO_CONNECT << 16; + dev_warn(&h->pdev->dev, "cp %p " + "has check condition: unit " + "not ready, manual " + "intervention required\n", cp); + break; + } + } + + + /* Must be some other type of check condition */ + dev_warn(&h->pdev->dev, "cp %p has check condition: " + "unknown type: " + "Sense: 0x%x, ASC: 0x%x, ASCQ: 0x%x, " + "Returning result: 0x%x, " + "cmd=[%02x %02x %02x %02x %02x " + "%02x %02x %02x %02x %02x]\n", + cp, sense_key, asc, ascq, + cmd->result, + cmd->cmnd[0], cmd->cmnd[1], + cmd->cmnd[2], cmd->cmnd[3], + cmd->cmnd[4], cmd->cmnd[5], + cmd->cmnd[6], cmd->cmnd[7], + cmd->cmnd[8], cmd->cmnd[9]); + break; + } + + + /* Problem was not a check condition + * Pass it up to the upper layers... + */ + if (ei->ScsiStatus) { + dev_warn(&h->pdev->dev, "cp %p has status 0x%x " + "Sense: 0x%x, ASC: 0x%x, ASCQ: 0x%x, " + "Returning result: 0x%x\n", + cp, ei->ScsiStatus, + sense_key, asc, ascq, + cmd->result); + } else { /* scsi status is zero??? How??? */ + dev_warn(&h->pdev->dev, "cp %p SCSI status was 0. " + "Returning no connection.\n", cp), + + /* Ordinarily, this case should never happen, + * but there is a bug in some released firmware + * revisions that allows it to happen if, for + * example, a 4100 backplane loses power and + * the tape drive is in it. We assume that + * it's a fatal error of some kind because we + * can't show that it wasn't. We will make it + * look like selection timeout since that is + * the most common reason for this to occur, + * and it's severe enough. + */ + + cmd->result = DID_NO_CONNECT << 16; + } + break; + + case CMD_DATA_UNDERRUN: /* let mid layer handle it. */ + break; + case CMD_DATA_OVERRUN: + dev_warn(&h->pdev->dev, "cp %p has" + " completed with data overrun " + "reported\n", cp); + break; + case CMD_INVALID: { + /* print_bytes(cp, sizeof(*cp), 1, 0); + print_cmd(cp); */ + /* We get CMD_INVALID if you address a non-existent device + * instead of a selection timeout (no response). You will + * see this if you yank out a drive, then try to access it. + * This is kind of a shame because it means that any other + * CMD_INVALID (e.g. driver bug) will get interpreted as a + * missing target. */ + cmd->result = DID_NO_CONNECT << 16; + } + break; + case CMD_PROTOCOL_ERR: + dev_warn(&h->pdev->dev, "cp %p has " + "protocol error \n", cp); + break; + case CMD_HARDWARE_ERR: + cmd->result = DID_ERROR << 16; + dev_warn(&h->pdev->dev, "cp %p had hardware error\n", cp); + break; + case CMD_CONNECTION_LOST: + cmd->result = DID_ERROR << 16; + dev_warn(&h->pdev->dev, "cp %p had connection lost\n", cp); + break; + case CMD_ABORTED: + cmd->result = DID_ABORT << 16; + dev_warn(&h->pdev->dev, "cp %p was aborted with status 0x%x\n", + cp, ei->ScsiStatus); + break; + case CMD_ABORT_FAILED: + cmd->result = DID_ERROR << 16; + dev_warn(&h->pdev->dev, "cp %p reports abort failed\n", cp); + break; + case CMD_UNSOLICITED_ABORT: + cmd->result = DID_ABORT << 16; + dev_warn(&h->pdev->dev, "cp %p aborted do to an unsolicited " + "abort\n", cp); + break; + case CMD_TIMEOUT: + cmd->result = DID_TIME_OUT << 16; + dev_warn(&h->pdev->dev, "cp %p timedout\n", cp); + break; + default: + cmd->result = DID_ERROR << 16; + dev_warn(&h->pdev->dev, "cp %p returned unknown status %x\n", + cp, ei->CommandStatus); + } + cmd->scsi_done(cmd); + cmd_free(h, cp); +} + +static int hpsa_scsi_detect(struct ctlr_info *h) +{ + struct Scsi_Host *sh; + int error; + + sh = scsi_host_alloc(&hpsa_driver_template, sizeof(h)); + if (sh == NULL) + goto fail; + + sh->io_port = 0; + sh->n_io_port = 0; + sh->this_id = -1; + sh->max_channel = 3; + sh->max_cmd_len = MAX_COMMAND_SIZE; + sh->max_lun = HPSA_MAX_LUN; + sh->max_id = HPSA_MAX_LUN; + h->scsi_host = sh; + sh->hostdata[0] = (unsigned long) h; + sh->irq = h->intr[SIMPLE_MODE_INT]; + sh->unique_id = sh->irq; + error = scsi_add_host(sh, &h->pdev->dev); + if (error) + goto fail_host_put; + scsi_scan_host(sh); + return 0; + + fail_host_put: + dev_err(&h->pdev->dev, "hpsa_scsi_detect: scsi_add_host" + " failed for controller %d\n", h->ctlr); + scsi_host_put(sh); + return -1; + fail: + dev_err(&h->pdev->dev, "hpsa_scsi_detect: scsi_host_alloc" + " failed for controller %d\n", h->ctlr); + return -1; +} + +static void hpsa_pci_unmap(struct pci_dev *pdev, + struct CommandList *c, int sg_used, int data_direction) +{ + int i; + union u64bit addr64; + + for (i = 0; i < sg_used; i++) { + addr64.val32.lower = c->SG[i].Addr.lower; + addr64.val32.upper = c->SG[i].Addr.upper; + pci_unmap_single(pdev, (dma_addr_t) addr64.val, c->SG[i].Len, + data_direction); + } +} + +static void hpsa_map_one(struct pci_dev *pdev, + struct CommandList *cp, + unsigned char *buf, + size_t buflen, + int data_direction) +{ + __u64 addr64; + + if (buflen == 0 || data_direction == PCI_DMA_NONE) { + cp->Header.SGList = 0; + cp->Header.SGTotal = 0; + return; + } + + addr64 = (__u64) pci_map_single(pdev, buf, buflen, data_direction); + cp->SG[0].Addr.lower = + (__u32) (addr64 & (__u64) 0x00000000FFFFFFFF); + cp->SG[0].Addr.upper = + (__u32) ((addr64 >> 32) & (__u64) 0x00000000FFFFFFFF); + cp->SG[0].Len = buflen; + cp->Header.SGList = (__u8) 1; /* no. SGs contig in this cmd */ + cp->Header.SGTotal = (__u16) 1; /* total sgs in this cmd list */ +} + +static inline void hpsa_scsi_do_simple_cmd_core(struct ctlr_info *h, + struct CommandList *c) +{ + DECLARE_COMPLETION_ONSTACK(wait); + + c->waiting = &wait; + enqueue_cmd_and_start_io(h, c); + wait_for_completion(&wait); +} + +static void hpsa_scsi_do_simple_cmd_with_retry(struct ctlr_info *h, + struct CommandList *c, int data_direction) +{ + int retry_count = 0; + + do { + memset(c->err_info, 0, sizeof(c->err_info)); + hpsa_scsi_do_simple_cmd_core(h, c); + retry_count++; + } while (check_for_unit_attention(h, c) && retry_count <= 3); + hpsa_pci_unmap(h->pdev, c, 1, data_direction); +} + +static void hpsa_scsi_interpret_error(struct CommandList *cp) +{ + struct ErrorInfo *ei; + struct device *d = &cp->h->pdev->dev; + + ei = cp->err_info; + switch (ei->CommandStatus) { + case CMD_TARGET_STATUS: + dev_warn(d, "cmd %p has completed with errors\n", cp); + dev_warn(d, "cmd %p has SCSI Status = %x\n", cp, + ei->ScsiStatus); + if (ei->ScsiStatus == 0) + dev_warn(d, "SCSI status is abnormally zero. " + "(probably indicates selection timeout " + "reported incorrectly due to a known " + "firmware bug, circa July, 2001.)\n"); + break; + case CMD_DATA_UNDERRUN: /* let mid layer handle it. */ + dev_info(d, "UNDERRUN\n"); + break; + case CMD_DATA_OVERRUN: + dev_warn(d, "cp %p has completed with data overrun\n", cp); + break; + case CMD_INVALID: { + /* controller unfortunately reports SCSI passthru's + * to non-existent targets as invalid commands. + */ + dev_warn(d, "cp %p is reported invalid (probably means " + "target device no longer present)\n", cp); + /* print_bytes((unsigned char *) cp, sizeof(*cp), 1, 0); + print_cmd(cp); */ + } + break; + case CMD_PROTOCOL_ERR: + dev_warn(d, "cp %p has protocol error \n", cp); + break; + case CMD_HARDWARE_ERR: + /* cmd->result = DID_ERROR << 16; */ + dev_warn(d, "cp %p had hardware error\n", cp); + break; + case CMD_CONNECTION_LOST: + dev_warn(d, "cp %p had connection lost\n", cp); + break; + case CMD_ABORTED: + dev_warn(d, "cp %p was aborted\n", cp); + break; + case CMD_ABORT_FAILED: + dev_warn(d, "cp %p reports abort failed\n", cp); + break; + case CMD_UNSOLICITED_ABORT: + dev_warn(d, "cp %p aborted due to an unsolicited abort\n", cp); + break; + case CMD_TIMEOUT: + dev_warn(d, "cp %p timed out\n", cp); + break; + default: + dev_warn(d, "cp %p returned unknown status %x\n", cp, + ei->CommandStatus); + } +} + +static int hpsa_scsi_do_inquiry(struct ctlr_info *h, unsigned char *scsi3addr, + unsigned char page, unsigned char *buf, + unsigned char bufsize) +{ + int rc = IO_OK; + struct CommandList *c; + struct ErrorInfo *ei; + + c = cmd_special_alloc(h); + + if (c == NULL) { /* trouble... */ + dev_warn(&h->pdev->dev, "cmd_special_alloc returned NULL!\n"); + return -1; + } + + fill_cmd(c, HPSA_INQUIRY, h, buf, bufsize, page, scsi3addr, TYPE_CMD); + hpsa_scsi_do_simple_cmd_with_retry(h, c, PCI_DMA_FROMDEVICE); + ei = c->err_info; + if (ei->CommandStatus != 0 && ei->CommandStatus != CMD_DATA_UNDERRUN) { + hpsa_scsi_interpret_error(c); + rc = -1; + } + cmd_special_free(h, c); + return rc; +} + +static int hpsa_send_reset(struct ctlr_info *h, unsigned char *scsi3addr) +{ + int rc = IO_OK; + struct CommandList *c; + struct ErrorInfo *ei; + + c = cmd_special_alloc(h); + + if (c == NULL) { /* trouble... */ + dev_warn(&h->pdev->dev, "cmd_special_alloc returned NULL!\n"); + return -1; + } + + fill_cmd(c, HPSA_DEVICE_RESET_MSG, h, NULL, 0, 0, scsi3addr, TYPE_MSG); + hpsa_scsi_do_simple_cmd_core(h, c); + /* no unmap needed here because no data xfer. */ + + ei = c->err_info; + if (ei->CommandStatus != 0) { + hpsa_scsi_interpret_error(c); + rc = -1; + } + cmd_special_free(h, c); + return rc; +} + +static void hpsa_get_raid_level(struct ctlr_info *h, + unsigned char *scsi3addr, unsigned char *raid_level) +{ + int rc; + unsigned char *buf; + + *raid_level = RAID_UNKNOWN; + buf = kzalloc(64, GFP_KERNEL); + if (!buf) + return; + rc = hpsa_scsi_do_inquiry(h, scsi3addr, 0xC1, buf, 64); + if (rc == 0) + *raid_level = buf[8]; + if (*raid_level > RAID_UNKNOWN) + *raid_level = RAID_UNKNOWN; + kfree(buf); + return; +} + +/* Get the device id from inquiry page 0x83 */ +static int hpsa_get_device_id(struct ctlr_info *h, unsigned char *scsi3addr, + unsigned char *device_id, int buflen) +{ + int rc; + unsigned char *buf; + + if (buflen > 16) + buflen = 16; + buf = kzalloc(64, GFP_KERNEL); + if (!buf) + return -1; + rc = hpsa_scsi_do_inquiry(h, scsi3addr, 0x83, buf, 64); + if (rc == 0) + memcpy(device_id, &buf[8], buflen); + kfree(buf); + return rc != 0; +} + +static int hpsa_scsi_do_report_luns(struct ctlr_info *h, int logical, + struct ReportLUNdata *buf, int bufsize, + int extended_response) +{ + int rc = IO_OK; + struct CommandList *c; + unsigned char scsi3addr[8]; + struct ErrorInfo *ei; + + c = cmd_special_alloc(h); + if (c == NULL) { /* trouble... */ + dev_err(&h->pdev->dev, "cmd_special_alloc returned NULL!\n"); + return -1; + } + + memset(&scsi3addr[0], 0, 8); /* address the controller */ + + fill_cmd(c, logical ? HPSA_REPORT_LOG : HPSA_REPORT_PHYS, h, + buf, bufsize, 0, scsi3addr, TYPE_CMD); + if (extended_response) + c->Request.CDB[1] = extended_response; + hpsa_scsi_do_simple_cmd_with_retry(h, c, PCI_DMA_FROMDEVICE); + ei = c->err_info; + if (ei->CommandStatus != 0 && + ei->CommandStatus != CMD_DATA_UNDERRUN) { + hpsa_scsi_interpret_error(c); + rc = -1; + } + cmd_special_free(h, c); + return rc; +} + +static inline int hpsa_scsi_do_report_phys_luns(struct ctlr_info *h, + struct ReportLUNdata *buf, + int bufsize, int extended_response) +{ + return hpsa_scsi_do_report_luns(h, 0, buf, bufsize, extended_response); +} + +static inline int hpsa_scsi_do_report_log_luns(struct ctlr_info *h, + struct ReportLUNdata *buf, int bufsize) +{ + return hpsa_scsi_do_report_luns(h, 1, buf, bufsize, 0); +} + +static inline void hpsa_set_bus_target_lun(struct hpsa_scsi_dev_t *device, + int bus, int target, int lun) +{ + device->bus = bus; + device->target = target; + device->lun = lun; +} + +static int hpsa_update_device_info(struct ctlr_info *h, + unsigned char scsi3addr[], struct hpsa_scsi_dev_t *this_device) +{ +#define OBDR_TAPE_INQ_SIZE 49 + unsigned char *inq_buff = NULL; + + inq_buff = kmalloc(OBDR_TAPE_INQ_SIZE, GFP_KERNEL); + if (!inq_buff) + goto bail_out; + + memset(inq_buff, 0, OBDR_TAPE_INQ_SIZE); + /* Do an inquiry to the device to see what it is. */ + if (hpsa_scsi_do_inquiry(h, scsi3addr, 0, inq_buff, + (unsigned char) OBDR_TAPE_INQ_SIZE) != 0) { + /* Inquiry failed (msg printed already) */ + dev_err(&h->pdev->dev, + "hpsa_update_device_info: inquiry failed\n"); + goto bail_out; + } + + /* As a side effect, record the firmware version number + * if we happen to be talking to the RAID controller. + */ + if (is_hba_lunid(scsi3addr)) + memcpy(h->firm_ver, &inq_buff[32], 4); + + this_device->devtype = (inq_buff[0] & 0x1f); + memcpy(this_device->scsi3addr, scsi3addr, 8); + memcpy(this_device->vendor, &inq_buff[8], + sizeof(this_device->vendor)); + memcpy(this_device->model, &inq_buff[16], + sizeof(this_device->model)); + memcpy(this_device->revision, &inq_buff[32], + sizeof(this_device->revision)); + memset(this_device->device_id, 0, + sizeof(this_device->device_id)); + hpsa_get_device_id(h, scsi3addr, this_device->device_id, + sizeof(this_device->device_id)); + + if (this_device->devtype == TYPE_DISK && + is_logical_dev_addr_mode(scsi3addr)) + hpsa_get_raid_level(h, scsi3addr, &this_device->raid_level); + else + this_device->raid_level = RAID_UNKNOWN; + + kfree(inq_buff); + return 0; + +bail_out: + kfree(inq_buff); + return 1; +} + +static unsigned char *msa2xxx_model[] = { + "MSA2012", + "MSA2024", + "MSA2312", + "MSA2324", + NULL, +}; + +static int is_msa2xxx(struct ctlr_info *h, struct hpsa_scsi_dev_t *device) +{ + int i; + + for (i = 0; msa2xxx_model[i]; i++) + if (strncmp(device->model, msa2xxx_model[i], + strlen(msa2xxx_model[i])) == 0) + return 1; + return 0; +} + +/* Helper function to assign bus, target, lun mapping of devices. + * Puts non-msa2xxx logical volumes on bus 0, msa2xxx logical + * volumes on bus 1, physical devices on bus 2. and the hba on bus 3. + * Logical drive target and lun are assigned at this time, but + * physical device lun and target assignment are deferred (assigned + * in hpsa_find_target_lun, called by hpsa_scsi_add_entry.) + */ +static void figure_bus_target_lun(struct ctlr_info *h, + __u8 *lunaddrbytes, int *bus, int *target, int *lun, + struct hpsa_scsi_dev_t *device) +{ + + __u32 lunid; + + if (is_logical_dev_addr_mode(lunaddrbytes)) { + /* logical device */ + memcpy(&lunid, lunaddrbytes, sizeof(lunid)); + lunid = le32_to_cpu(lunid); + + if (is_msa2xxx(h, device)) { + *bus = 1; + *target = (lunid >> 16) & 0x3fff; + *lun = lunid & 0x00ff; + } else { + *bus = 0; + *lun = 0; + *target = lunid & 0x3fff; + } + } else { + /* physical device */ + if (is_hba_lunid(lunaddrbytes)) + *bus = 3; + else + *bus = 2; + *target = -1; + *lun = -1; /* we will fill these in later. */ + } +} + +/* + * If there is no lun 0 on a target, linux won't find any devices. + * For the MSA2xxx boxes, we have to manually detect the enclosure + * which is at lun zero, as CCISS_REPORT_PHYSICAL_LUNS doesn't report + * it for some reason. *tmpdevice is the target we're adding, + * this_device is a pointer into the current element of currentsd[] + * that we're building up in update_scsi_devices(), below. + * lunzerobits is a bitmap that tracks which targets already have a + * lun 0 assigned. + * Returns 1 if an enclosure was added, 0 if not. + */ +static int add_msa2xxx_enclosure_device(struct ctlr_info *h, + struct hpsa_scsi_dev_t *tmpdevice, + struct hpsa_scsi_dev_t *this_device, __u8 *lunaddrbytes, + int bus, int target, int lun, unsigned long lunzerobits[], + int *nmsa2xxx_enclosures) +{ + unsigned char scsi3addr[8]; + + if (test_bit(target, lunzerobits)) + return 0; /* There is already a lun 0 on this target. */ + + if (!is_logical_dev_addr_mode(lunaddrbytes)) + return 0; /* It's the logical targets that may lack lun 0. */ + + if (!is_msa2xxx(h, tmpdevice)) + return 0; /* It's only the MSA2xxx that have this problem. */ + + if (lun == 0) /* if lun is 0, then obviously we have a lun 0. */ + return 0; + + if (is_hba_lunid(scsi3addr)) + return 0; /* Don't add the RAID controller here. */ + +#define MAX_MSA2XXX_ENCLOSURES 32 + if (*nmsa2xxx_enclosures >= MAX_MSA2XXX_ENCLOSURES) { + dev_warn(&h->pdev->dev, "Maximum number of MSA2XXX " + "enclosures exceeded. Check your hardware " + "configuration."); + return 0; + } + + memset(scsi3addr, 0, 8); + scsi3addr[3] = target; + if (hpsa_update_device_info(h, scsi3addr, this_device)) + return 0; + (*nmsa2xxx_enclosures)++; + hpsa_set_bus_target_lun(this_device, bus, target, 0); + set_bit(target, lunzerobits); + return 1; +} + +/* + * Do CISS_REPORT_PHYS and CISS_REPORT_LOG. Data is returned in physdev, + * logdev. The number of luns in physdev and logdev are returned in + * *nphysicals and *nlogicals, respectively. + * Returns 0 on success, -1 otherwise. + */ +static int hpsa_gather_lun_info(struct ctlr_info *h, + int reportlunsize, + struct ReportLUNdata *physdev, __u32 *nphysicals, + struct ReportLUNdata *logdev, __u32 *nlogicals) +{ + if (hpsa_scsi_do_report_phys_luns(h, physdev, reportlunsize, 0)) { + dev_err(&h->pdev->dev, "report physical LUNs failed.\n"); + return -1; + } + memcpy(nphysicals, &physdev->LUNListLength[0], sizeof(*nphysicals)); + *nphysicals = be32_to_cpu(*nphysicals) / 8; +#ifdef DEBUG + dev_info(&h->pdev->dev, "number of physical luns is %d\n", *nphysicals); +#endif + if (*nphysicals > HPSA_MAX_PHYS_LUN) { + dev_warn(&h->pdev->dev, "maximum physical LUNs (%d) exceeded." + " %d LUNs ignored.\n", HPSA_MAX_PHYS_LUN, + *nphysicals - HPSA_MAX_PHYS_LUN); + *nphysicals = HPSA_MAX_PHYS_LUN; + } + if (hpsa_scsi_do_report_log_luns(h, logdev, reportlunsize)) { + dev_err(&h->pdev->dev, "report logical LUNs failed.\n"); + return -1; + } + memcpy(nlogicals, &logdev->LUNListLength[0], sizeof(*nlogicals)); + *nlogicals = be32_to_cpu(*nlogicals) / 8; +#ifdef DEBUG + dev_info(&h->pdev->dev, "number of logical luns is %d\n", *nlogicals); +#endif + /* Reject Logicals in excess of our max capability. */ + if (*nlogicals > HPSA_MAX_LUN) { + dev_warn(&h->pdev->dev, + "maximum logical LUNs (%d) exceeded. " + "%d LUNs ignored.\n", HPSA_MAX_LUN, + *nlogicals - HPSA_MAX_LUN); + *nlogicals = HPSA_MAX_LUN; + } + if (*nlogicals + *nphysicals > HPSA_MAX_PHYS_LUN) { + dev_warn(&h->pdev->dev, + "maximum logical + physical LUNs (%d) exceeded. " + "%d LUNs ignored.\n", HPSA_MAX_PHYS_LUN, + *nphysicals + *nlogicals - HPSA_MAX_PHYS_LUN); + *nlogicals = HPSA_MAX_PHYS_LUN - *nphysicals; + } + return 0; +} + +static void hpsa_update_scsi_devices(struct ctlr_info *h, int hostno) +{ + /* the idea here is we could get notified + * that some devices have changed, so we do a report + * physical luns and report logical luns cmd, and adjust + * our list of devices accordingly. + * + * The scsi3addr's of devices won't change so long as the + * adapter is not reset. That means we can rescan and + * tell which devices we already know about, vs. new + * devices, vs. disappearing devices. + */ + struct ReportLUNdata *physdev_list = NULL; + struct ReportLUNdata *logdev_list = NULL; + unsigned char *inq_buff = NULL; + __u32 nphysicals = 0; + __u32 nlogicals = 0; + __u32 ndev_allocated = 0; + struct hpsa_scsi_dev_t **currentsd, *this_device, *tmpdevice; + int ncurrent = 0; + int reportlunsize = sizeof(*physdev_list) + HPSA_MAX_PHYS_LUN * 8; + int i, nmsa2xxx_enclosures, ndevs_to_allocate; + int bus, target, lun; + DECLARE_BITMAP(lunzerobits, HPSA_MAX_TARGETS_PER_CTLR); + + currentsd = kzalloc(sizeof(*currentsd) * HPSA_MAX_SCSI_DEVS_PER_HBA, + GFP_KERNEL); + physdev_list = kzalloc(reportlunsize, GFP_KERNEL); + logdev_list = kzalloc(reportlunsize, GFP_KERNEL); + inq_buff = kmalloc(OBDR_TAPE_INQ_SIZE, GFP_KERNEL); + tmpdevice = kzalloc(sizeof(*tmpdevice), GFP_KERNEL); + + if (!currentsd || !physdev_list || !logdev_list || + !inq_buff || !tmpdevice) { + dev_err(&h->pdev->dev, "out of memory\n"); + goto out; + } + memset(lunzerobits, 0, sizeof(lunzerobits)); + + if (hpsa_gather_lun_info(h, reportlunsize, physdev_list, &nphysicals, + logdev_list, &nlogicals)) + goto out; + + /* We might see up to 32 MSA2xxx enclosures, actually 8 of them + * but each of them 4 times through different paths. The plus 1 + * is for the RAID controller. + */ + ndevs_to_allocate = nphysicals + nlogicals + MAX_MSA2XXX_ENCLOSURES + 1; + + /* Allocate the per device structures */ + for (i = 0; i < ndevs_to_allocate; i++) { + currentsd[i] = kzalloc(sizeof(*currentsd[i]), GFP_KERNEL); + if (!currentsd[i]) { + dev_warn(&h->pdev->dev, "out of memory at %s:%d\n", + __FILE__, __LINE__); + goto out; + } + ndev_allocated++; + } + + /* adjust our table of devices */ + nmsa2xxx_enclosures = 0; + for (i = 0; i < nphysicals + nlogicals + 1; i++) { + __u8 *lunaddrbytes; + + /* Figure out where the LUN ID info is coming from */ + if (i < nphysicals) + lunaddrbytes = &physdev_list->LUN[i][0]; + else + if (i < nphysicals + nlogicals) + lunaddrbytes = + &logdev_list->LUN[i-nphysicals][0]; + else /* jam in the RAID controller at the end */ + lunaddrbytes = RAID_CTLR_LUNID; + + /* skip masked physical devices. */ + if (lunaddrbytes[3] & 0xC0 && i < nphysicals) + continue; + + /* Get device type, vendor, model, device id */ + if (hpsa_update_device_info(h, lunaddrbytes, tmpdevice)) + continue; /* skip it if we can't talk to it. */ + figure_bus_target_lun(h, lunaddrbytes, &bus, &target, &lun, + tmpdevice); + this_device = currentsd[ncurrent]; + + /* + * For the msa2xxx boxes, we have to insert a LUN 0 which + * doesn't show up in CCISS_REPORT_PHYSICAL data, but there + * is nonetheless an enclosure device there. We have to + * present that otherwise linux won't find anything if + * there is no lun 0. + */ + if (add_msa2xxx_enclosure_device(h, tmpdevice, this_device, + lunaddrbytes, bus, target, lun, lunzerobits, + &nmsa2xxx_enclosures)) { + ncurrent++; + this_device = currentsd[ncurrent]; + } + + *this_device = *tmpdevice; + hpsa_set_bus_target_lun(this_device, bus, target, lun); + + switch (this_device->devtype) { + case TYPE_ROM: { + /* We don't *really* support actual CD-ROM devices, + * just "One Button Disaster Recovery" tape drive + * which temporarily pretends to be a CD-ROM drive. + * So we check that the device is really an OBDR tape + * device by checking for "$DR-10" in bytes 43-48 of + * the inquiry data. + */ + char obdr_sig[7]; +#define OBDR_TAPE_SIG "$DR-10" + strncpy(obdr_sig, &inq_buff[43], 6); + obdr_sig[6] = '\0'; + if (strncmp(obdr_sig, OBDR_TAPE_SIG, 6) != 0) + /* Not OBDR device, ignore it. */ + break; + } + ncurrent++; + break; + case TYPE_DISK: + if (i < nphysicals) + break; + ncurrent++; + break; + case TYPE_TAPE: + case TYPE_MEDIUM_CHANGER: + ncurrent++; + break; + case TYPE_RAID: + /* Only present the Smartarray HBA as a RAID controller. + * If it's a RAID controller other than the HBA itself + * (an external RAID controller, MSA500 or similar) + * don't present it. + */ + if (!is_hba_lunid(lunaddrbytes)) + break; + ncurrent++; + break; + default: + break; + } + if (ncurrent >= HPSA_MAX_SCSI_DEVS_PER_HBA) + break; + } + adjust_hpsa_scsi_table(h, hostno, currentsd, ncurrent); +out: + kfree(tmpdevice); + for (i = 0; i < ndev_allocated; i++) + kfree(currentsd[i]); + kfree(currentsd); + kfree(inq_buff); + kfree(physdev_list); + kfree(logdev_list); + return; +} + +/* hpsa_scatter_gather takes a struct scsi_cmnd, (cmd), and does the pci + * dma mapping and fills in the scatter gather entries of the + * hpsa command, cp. + */ +static int hpsa_scatter_gather(struct pci_dev *pdev, + struct CommandList *cp, + struct scsi_cmnd *cmd) +{ + unsigned int len; + struct scatterlist *sg; + __u64 addr64; + int use_sg, i; + + BUG_ON(scsi_sg_count(cmd) > MAXSGENTRIES); + + use_sg = scsi_dma_map(cmd); + if (use_sg < 0) + return use_sg; + + if (!use_sg) + goto sglist_finished; + + scsi_for_each_sg(cmd, sg, use_sg, i) { + addr64 = (__u64) sg_dma_address(sg); + len = sg_dma_len(sg); + cp->SG[i].Addr.lower = + (__u32) (addr64 & (__u64) 0x00000000FFFFFFFF); + cp->SG[i].Addr.upper = + (__u32) ((addr64 >> 32) & (__u64) 0x00000000FFFFFFFF); + cp->SG[i].Len = len; + cp->SG[i].Ext = 0; /* we are not chaining */ + } + +sglist_finished: + + cp->Header.SGList = (__u8) use_sg; /* no. SGs contig in this cmd */ + cp->Header.SGTotal = (__u16) use_sg; /* total sgs in this cmd list */ + return 0; +} + + +static int hpsa_scsi_queue_command(struct scsi_cmnd *cmd, + void (*done)(struct scsi_cmnd *)) +{ + struct ctlr_info *h; + struct hpsa_scsi_dev_t *dev; + unsigned char scsi3addr[8]; + struct CommandList *c; + unsigned long flags; + + /* Get the ptr to our adapter structure out of cmd->host. */ + h = sdev_to_hba(cmd->device); + dev = cmd->device->hostdata; + if (!dev) { + cmd->result = DID_NO_CONNECT << 16; + done(cmd); + return 0; + } + memcpy(scsi3addr, dev->scsi3addr, sizeof(scsi3addr)); + + /* Need a lock as this is being allocated from the pool */ + spin_lock_irqsave(&h->lock, flags); + c = cmd_alloc(h); + spin_unlock_irqrestore(&h->lock, flags); + if (c == NULL) { /* trouble... */ + dev_err(&h->pdev->dev, "cmd_alloc returned NULL!\n"); + return SCSI_MLQUEUE_HOST_BUSY; + } + + /* Fill in the command list header */ + + cmd->scsi_done = done; /* save this for use by completion code */ + + /* save c in case we have to abort it */ + cmd->host_scribble = (unsigned char *) c; + + c->cmd_type = CMD_SCSI; + c->scsi_cmd = cmd; + c->Header.ReplyQueue = 0; /* unused in simple mode */ + memcpy(&c->Header.LUN.LunAddrBytes[0], &scsi3addr[0], 8); + c->Header.Tag.lower = c->busaddr; /* Use k. address of cmd as tag */ + + /* Fill in the request block... */ + + c->Request.Timeout = 0; + memset(c->Request.CDB, 0, sizeof(c->Request.CDB)); + BUG_ON(cmd->cmd_len > sizeof(c->Request.CDB)); + c->Request.CDBLen = cmd->cmd_len; + memcpy(c->Request.CDB, cmd->cmnd, cmd->cmd_len); + c->Request.Type.Type = TYPE_CMD; + c->Request.Type.Attribute = ATTR_SIMPLE; + switch (cmd->sc_data_direction) { + case DMA_TO_DEVICE: + c->Request.Type.Direction = XFER_WRITE; + break; + case DMA_FROM_DEVICE: + c->Request.Type.Direction = XFER_READ; + break; + case DMA_NONE: + c->Request.Type.Direction = XFER_NONE; + break; + case DMA_BIDIRECTIONAL: + /* This can happen if a buggy application does a scsi passthru + * and sets both inlen and outlen to non-zero. ( see + * ../scsi/scsi_ioctl.c:scsi_ioctl_send_command() ) + */ + + c->Request.Type.Direction = XFER_RSVD; + /* This is technically wrong, and hpsa controllers should + * reject it with CMD_INVALID, which is the most correct + * response, but non-fibre backends appear to let it + * slide by, and give the same results as if this field + * were set correctly. Either way is acceptable for + * our purposes here. + */ + + break; + + default: + dev_err(&h->pdev->dev, "unknown data direction: %d\n", + cmd->sc_data_direction); + BUG(); + break; + } + + if (hpsa_scatter_gather(h->pdev, c, cmd) < 0) { /* Fill SG list */ + cmd_free(h, c); + return SCSI_MLQUEUE_HOST_BUSY; + } + enqueue_cmd_and_start_io(h, c); + /* the cmd'll come back via intr handler in complete_scsi_command() */ + return 0; +} + +static void hpsa_unregister_scsi(struct ctlr_info *h) +{ + /* we are being forcibly unloaded, and may not refuse. */ + scsi_remove_host(h->scsi_host); + scsi_host_put(h->scsi_host); + h->scsi_host = NULL; +} + +static int hpsa_register_scsi(struct ctlr_info *h) +{ + int rc; + + hpsa_update_scsi_devices(h, -1); + rc = hpsa_scsi_detect(h); + if (rc != 0) + dev_err(&h->pdev->dev, "hpsa_register_scsi: failed" + " hpsa_scsi_detect(), rc is %d\n", rc); + return rc; +} + +static int wait_for_device_to_become_ready(struct ctlr_info *h, + unsigned char lunaddr[]) +{ + int rc = 0; + int count = 0; + int waittime = 1; /* seconds */ + struct CommandList *c; + + c = cmd_special_alloc(h); + if (!c) { + dev_warn(&h->pdev->dev, "out of memory in " + "wait_for_device_to_become_ready.\n"); + return IO_ERROR; + } + + /* Send test unit ready until device ready, or give up. */ + while (count < HPSA_TUR_RETRY_LIMIT) { + + /* Wait for a bit. do this first, because if we send + * the TUR right away, the reset will just abort it. + */ + msleep(1000 * waittime); + count++; + + /* Increase wait time with each try, up to a point. */ + if (waittime < HPSA_MAX_WAIT_INTERVAL_SECS) + waittime = waittime * 2; + + /* Send the Test Unit Ready */ + fill_cmd(c, TEST_UNIT_READY, h, NULL, 0, 0, lunaddr, TYPE_CMD); + hpsa_scsi_do_simple_cmd_core(h, c); + /* no unmap needed here because no data xfer. */ + + if (c->err_info->CommandStatus == CMD_SUCCESS) + break; + + if (c->err_info->CommandStatus == CMD_TARGET_STATUS && + c->err_info->ScsiStatus == SAM_STAT_CHECK_CONDITION && + (c->err_info->SenseInfo[2] == NO_SENSE || + c->err_info->SenseInfo[2] == UNIT_ATTENTION)) + break; + + dev_warn(&h->pdev->dev, "waiting %d secs " + "for device to become ready.\n", waittime); + rc = 1; /* device not ready. */ + } + + if (rc) + dev_warn(&h->pdev->dev, "giving up on device.\n"); + else + dev_warn(&h->pdev->dev, "device is ready.\n"); + + cmd_special_free(h, c); + return rc; +} + +/* Need at least one of these error handlers to keep ../scsi/hosts.c from + * complaining. Doing a host- or bus-reset can't do anything good here. + */ +static int hpsa_eh_device_reset_handler(struct scsi_cmnd *scsicmd) +{ + int rc; + struct ctlr_info *h; + struct hpsa_scsi_dev_t *dev; + + /* find the controller to which the command to be aborted was sent */ + h = sdev_to_hba(scsicmd->device); + if (h == NULL) /* paranoia */ + return FAILED; + dev_warn(&h->pdev->dev, "resetting drive\n"); + + dev = scsicmd->device->hostdata; + if (!dev) { + dev_err(&h->pdev->dev, "hpsa_eh_device_reset_handler: " + "device lookup failed.\n"); + return FAILED; + } + /* send a reset to the SCSI LUN which the command was sent to */ + rc = hpsa_send_reset(h, dev->scsi3addr); + if (rc == 0 && wait_for_device_to_become_ready(h, dev->scsi3addr) == 0) + return SUCCESS; + + dev_warn(&h->pdev->dev, "resetting device failed.\n"); + return FAILED; +} + +/* + * For operations that cannot sleep, a command block is allocated at init, + * and managed by cmd_alloc() and cmd_free() using a simple bitmap to track + * which ones are free or in use. Lock must be held when calling this. + * cmd_free() is the complement. + */ +static struct CommandList *cmd_alloc(struct ctlr_info *h) +{ + struct CommandList *c; + int i; + union u64bit temp64; + dma_addr_t cmd_dma_handle, err_dma_handle; + + do { + i = find_first_zero_bit(h->cmd_pool_bits, h->nr_cmds); + if (i == h->nr_cmds) + return NULL; + } while (test_and_set_bit + (i & (BITS_PER_LONG - 1), + h->cmd_pool_bits + (i / BITS_PER_LONG)) != 0); + c = h->cmd_pool + i; + memset(c, 0, sizeof(*c)); + cmd_dma_handle = h->cmd_pool_dhandle + + i * sizeof(*c); + c->err_info = h->errinfo_pool + i; + memset(c->err_info, 0, sizeof(*c->err_info)); + err_dma_handle = h->errinfo_pool_dhandle + + i * sizeof(*c->err_info); + h->nr_allocs++; + + c->cmdindex = i; + + INIT_HLIST_NODE(&c->list); + c->busaddr = (__u32) cmd_dma_handle; + temp64.val = (__u64) err_dma_handle; + c->ErrDesc.Addr.lower = temp64.val32.lower; + c->ErrDesc.Addr.upper = temp64.val32.upper; + c->ErrDesc.Len = sizeof(*c->err_info); + + c->h = h; + return c; +} + +/* For operations that can wait for kmalloc to possibly sleep, + * this routine can be called. Lock need not be held to call + * cmd_special_alloc. cmd_special_free() is the complement. + */ +static struct CommandList *cmd_special_alloc(struct ctlr_info *h) +{ + struct CommandList *c; + union u64bit temp64; + dma_addr_t cmd_dma_handle, err_dma_handle; + + c = pci_alloc_consistent(h->pdev, sizeof(*c), &cmd_dma_handle); + if (c == NULL) + return NULL; + memset(c, 0, sizeof(*c)); + + c->cmdindex = -1; + + c->err_info = pci_alloc_consistent(h->pdev, sizeof(*c->err_info), + &err_dma_handle); + + if (c->err_info == NULL) { + pci_free_consistent(h->pdev, + sizeof(*c), c, cmd_dma_handle); + return NULL; + } + memset(c->err_info, 0, sizeof(*c->err_info)); + + INIT_HLIST_NODE(&c->list); + c->busaddr = (__u32) cmd_dma_handle; + temp64.val = (__u64) err_dma_handle; + c->ErrDesc.Addr.lower = temp64.val32.lower; + c->ErrDesc.Addr.upper = temp64.val32.upper; + c->ErrDesc.Len = sizeof(*c->err_info); + + c->h = h; + return c; +} + +static void cmd_free(struct ctlr_info *h, struct CommandList *c) +{ + int i; + + i = c - h->cmd_pool; + clear_bit(i & (BITS_PER_LONG - 1), + h->cmd_pool_bits + (i / BITS_PER_LONG)); + h->nr_frees++; +} + +static void cmd_special_free(struct ctlr_info *h, struct CommandList *c) +{ + union u64bit temp64; + + temp64.val32.lower = c->ErrDesc.Addr.lower; + temp64.val32.upper = c->ErrDesc.Addr.upper; + pci_free_consistent(h->pdev, sizeof(*c->err_info), + c->err_info, (dma_addr_t) temp64.val); + pci_free_consistent(h->pdev, sizeof(*c), + c, (dma_addr_t) c->busaddr); +} + +#ifdef CONFIG_COMPAT + +static int do_ioctl(struct scsi_device *dev, int cmd, void *arg) +{ + int ret; + + lock_kernel(); + ret = hpsa_ioctl(dev, cmd, arg); + unlock_kernel(); + return ret; +} + +static int hpsa_ioctl32_passthru(struct scsi_device *dev, int cmd, void *arg); +static int hpsa_ioctl32_big_passthru(struct scsi_device *dev, + int cmd, void *arg); + +static int hpsa_compat_ioctl(struct scsi_device *dev, int cmd, void *arg) +{ + switch (cmd) { + case CCISS_GETPCIINFO: + case CCISS_GETINTINFO: + case CCISS_SETINTINFO: + case CCISS_GETNODENAME: + case CCISS_SETNODENAME: + case CCISS_GETHEARTBEAT: + case CCISS_GETBUSTYPES: + case CCISS_GETFIRMVER: + case CCISS_GETDRIVVER: + case CCISS_REVALIDVOLS: + case CCISS_DEREGDISK: + case CCISS_REGNEWDISK: + case CCISS_REGNEWD: + case CCISS_RESCANDISK: + case CCISS_GETLUNINFO: + return do_ioctl(dev, cmd, arg); + + case CCISS_PASSTHRU32: + return hpsa_ioctl32_passthru(dev, cmd, arg); + case CCISS_BIG_PASSTHRU32: + return hpsa_ioctl32_big_passthru(dev, cmd, arg); + + default: + return -ENOIOCTLCMD; + } +} + +static int hpsa_ioctl32_passthru(struct scsi_device *dev, int cmd, void *arg) +{ + IOCTL32_Command_struct __user *arg32 = + (IOCTL32_Command_struct __user *) arg; + IOCTL_Command_struct arg64; + IOCTL_Command_struct __user *p = compat_alloc_user_space(sizeof(arg64)); + int err; + u32 cp; + + err = 0; + err |= copy_from_user(&arg64.LUN_info, &arg32->LUN_info, + sizeof(arg64.LUN_info)); + err |= copy_from_user(&arg64.Request, &arg32->Request, + sizeof(arg64.Request)); + err |= copy_from_user(&arg64.error_info, &arg32->error_info, + sizeof(arg64.error_info)); + err |= get_user(arg64.buf_size, &arg32->buf_size); + err |= get_user(cp, &arg32->buf); + arg64.buf = compat_ptr(cp); + err |= copy_to_user(p, &arg64, sizeof(arg64)); + + if (err) + return -EFAULT; + + err = do_ioctl(dev, CCISS_PASSTHRU, (void *)p); + if (err) + return err; + err |= copy_in_user(&arg32->error_info, &p->error_info, + sizeof(arg32->error_info)); + if (err) + return -EFAULT; + return err; +} + +static int hpsa_ioctl32_big_passthru(struct scsi_device *dev, + int cmd, void *arg) +{ + BIG_IOCTL32_Command_struct __user *arg32 = + (BIG_IOCTL32_Command_struct __user *) arg; + BIG_IOCTL_Command_struct arg64; + BIG_IOCTL_Command_struct __user *p = + compat_alloc_user_space(sizeof(arg64)); + int err; + u32 cp; + + err = 0; + err |= copy_from_user(&arg64.LUN_info, &arg32->LUN_info, + sizeof(arg64.LUN_info)); + err |= copy_from_user(&arg64.Request, &arg32->Request, + sizeof(arg64.Request)); + err |= copy_from_user(&arg64.error_info, &arg32->error_info, + sizeof(arg64.error_info)); + err |= get_user(arg64.buf_size, &arg32->buf_size); + err |= get_user(arg64.malloc_size, &arg32->malloc_size); + err |= get_user(cp, &arg32->buf); + arg64.buf = compat_ptr(cp); + err |= copy_to_user(p, &arg64, sizeof(arg64)); + + if (err) + return -EFAULT; + + err = do_ioctl(dev, CCISS_BIG_PASSTHRU, (void *)p); + if (err) + return err; + err |= copy_in_user(&arg32->error_info, &p->error_info, + sizeof(arg32->error_info)); + if (err) + return -EFAULT; + return err; +} +#endif + +static int hpsa_getpciinfo_ioctl(struct ctlr_info *h, void __user *argp) +{ + struct hpsa_pci_info pciinfo; + + if (!argp) + return -EINVAL; + pciinfo.domain = pci_domain_nr(h->pdev->bus); + pciinfo.bus = h->pdev->bus->number; + pciinfo.dev_fn = h->pdev->devfn; + pciinfo.board_id = h->board_id; + if (copy_to_user(argp, &pciinfo, sizeof(pciinfo))) + return -EFAULT; + return 0; +} + +static int hpsa_getdrivver_ioctl(struct ctlr_info *h, void __user *argp) +{ + DriverVer_type DriverVer; + unsigned char vmaj, vmin, vsubmin; + int rc; + + rc = sscanf(HPSA_DRIVER_VERSION, "%hhu.%hhu.%hhu", + &vmaj, &vmin, &vsubmin); + if (rc != 3) { + dev_info(&h->pdev->dev, "driver version string '%s' " + "unrecognized.", HPSA_DRIVER_VERSION); + vmaj = 0; + vmin = 0; + vsubmin = 0; + } + DriverVer = (vmaj << 16) | (vmin << 8) | vsubmin; + if (!argp) + return -EINVAL; + if (copy_to_user(argp, &DriverVer, sizeof(DriverVer_type))) + return -EFAULT; + return 0; +} + +static int hpsa_passthru_ioctl(struct ctlr_info *h, void __user *argp) +{ + IOCTL_Command_struct iocommand; + struct CommandList *c; + char *buff = NULL; + union u64bit temp64; + + if (!argp) + return -EINVAL; + if (!capable(CAP_SYS_RAWIO)) + return -EPERM; + if (copy_from_user(&iocommand, argp, sizeof(iocommand))) + return -EFAULT; + if ((iocommand.buf_size < 1) && + (iocommand.Request.Type.Direction != XFER_NONE)) { + return -EINVAL; + } + if (iocommand.buf_size > 0) { + buff = kmalloc(iocommand.buf_size, GFP_KERNEL); + if (buff == NULL) + return -EFAULT; + } + if (iocommand.Request.Type.Direction == XFER_WRITE) { + /* Copy the data into the buffer we created */ + if (copy_from_user(buff, iocommand.buf, iocommand.buf_size)) { + kfree(buff); + return -EFAULT; + } + } else + memset(buff, 0, iocommand.buf_size); + c = cmd_special_alloc(h); + if (c == NULL) { + kfree(buff); + return -ENOMEM; + } + /* Fill in the command type */ + c->cmd_type = CMD_IOCTL_PEND; + /* Fill in Command Header */ + c->Header.ReplyQueue = 0; /* unused in simple mode */ + if (iocommand.buf_size > 0) { /* buffer to fill */ + c->Header.SGList = 1; + c->Header.SGTotal = 1; + } else { /* no buffers to fill */ + c->Header.SGList = 0; + c->Header.SGTotal = 0; + } + memcpy(&c->Header.LUN, &iocommand.LUN_info, sizeof(c->Header.LUN)); + /* use the kernel address the cmd block for tag */ + c->Header.Tag.lower = c->busaddr; + + /* Fill in Request block */ + memcpy(&c->Request, &iocommand.Request, + sizeof(c->Request)); + + /* Fill in the scatter gather information */ + if (iocommand.buf_size > 0) { + temp64.val = pci_map_single(h->pdev, buff, + iocommand.buf_size, PCI_DMA_BIDIRECTIONAL); + c->SG[0].Addr.lower = temp64.val32.lower; + c->SG[0].Addr.upper = temp64.val32.upper; + c->SG[0].Len = iocommand.buf_size; + c->SG[0].Ext = 0; /* we are not chaining*/ + } + hpsa_scsi_do_simple_cmd_core(h, c); + hpsa_pci_unmap(h->pdev, c, 1, PCI_DMA_BIDIRECTIONAL); + check_ioctl_unit_attention(h, c); + + /* Copy the error information out */ + memcpy(&iocommand.error_info, c->err_info, + sizeof(iocommand.error_info)); + if (copy_to_user(argp, &iocommand, sizeof(iocommand))) { + kfree(buff); + cmd_special_free(h, c); + return -EFAULT; + } + + if (iocommand.Request.Type.Direction == XFER_READ) { + /* Copy the data out of the buffer we created */ + if (copy_to_user(iocommand.buf, buff, iocommand.buf_size)) { + kfree(buff); + cmd_special_free(h, c); + return -EFAULT; + } + } + kfree(buff); + cmd_special_free(h, c); + return 0; +} + +static int hpsa_big_passthru_ioctl(struct ctlr_info *h, void __user *argp) +{ + BIG_IOCTL_Command_struct *ioc; + struct CommandList *c; + unsigned char **buff = NULL; + int *buff_size = NULL; + union u64bit temp64; + BYTE sg_used = 0; + int status = 0; + int i; + __u32 left; + __u32 sz; + BYTE __user *data_ptr; + + if (!argp) + return -EINVAL; + if (!capable(CAP_SYS_RAWIO)) + return -EPERM; + ioc = (BIG_IOCTL_Command_struct *) + kmalloc(sizeof(*ioc), GFP_KERNEL); + if (!ioc) { + status = -ENOMEM; + goto cleanup1; + } + if (copy_from_user(ioc, argp, sizeof(*ioc))) { + status = -EFAULT; + goto cleanup1; + } + if ((ioc->buf_size < 1) && + (ioc->Request.Type.Direction != XFER_NONE)) { + status = -EINVAL; + goto cleanup1; + } + /* Check kmalloc limits using all SGs */ + if (ioc->malloc_size > MAX_KMALLOC_SIZE) { + status = -EINVAL; + goto cleanup1; + } + if (ioc->buf_size > ioc->malloc_size * MAXSGENTRIES) { + status = -EINVAL; + goto cleanup1; + } + buff = kzalloc(MAXSGENTRIES * sizeof(char *), GFP_KERNEL); + if (!buff) { + status = -ENOMEM; + goto cleanup1; + } + buff_size = kmalloc(MAXSGENTRIES * sizeof(int), GFP_KERNEL); + if (!buff_size) { + status = -ENOMEM; + goto cleanup1; + } + left = ioc->buf_size; + data_ptr = ioc->buf; + while (left) { + sz = (left > ioc->malloc_size) ? ioc->malloc_size : left; + buff_size[sg_used] = sz; + buff[sg_used] = kmalloc(sz, GFP_KERNEL); + if (buff[sg_used] == NULL) { + status = -ENOMEM; + goto cleanup1; + } + if (ioc->Request.Type.Direction == XFER_WRITE) { + if (copy_from_user(buff[sg_used], data_ptr, sz)) { + status = -ENOMEM; + goto cleanup1; + } + } else + memset(buff[sg_used], 0, sz); + left -= sz; + data_ptr += sz; + sg_used++; + } + c = cmd_special_alloc(h); + if (c == NULL) { + status = -ENOMEM; + goto cleanup1; + } + c->cmd_type = CMD_IOCTL_PEND; + c->Header.ReplyQueue = 0; + + if (ioc->buf_size > 0) { + c->Header.SGList = sg_used; + c->Header.SGTotal = sg_used; + } else { + c->Header.SGList = 0; + c->Header.SGTotal = 0; + } + memcpy(&c->Header.LUN, &ioc->LUN_info, sizeof(c->Header.LUN)); + c->Header.Tag.lower = c->busaddr; + memcpy(&c->Request, &ioc->Request, sizeof(c->Request)); + if (ioc->buf_size > 0) { + int i; + for (i = 0; i < sg_used; i++) { + temp64.val = pci_map_single(h->pdev, buff[i], + buff_size[i], PCI_DMA_BIDIRECTIONAL); + c->SG[i].Addr.lower = temp64.val32.lower; + c->SG[i].Addr.upper = temp64.val32.upper; + c->SG[i].Len = buff_size[i]; + /* we are not chaining */ + c->SG[i].Ext = 0; + } + } + hpsa_scsi_do_simple_cmd_core(h, c); + hpsa_pci_unmap(h->pdev, c, sg_used, PCI_DMA_BIDIRECTIONAL); + check_ioctl_unit_attention(h, c); + /* Copy the error information out */ + memcpy(&ioc->error_info, c->err_info, sizeof(ioc->error_info)); + if (copy_to_user(argp, ioc, sizeof(*ioc))) { + cmd_special_free(h, c); + status = -EFAULT; + goto cleanup1; + } + if (ioc->Request.Type.Direction == XFER_READ) { + /* Copy the data out of the buffer we created */ + BYTE __user *ptr = ioc->buf; + for (i = 0; i < sg_used; i++) { + if (copy_to_user(ptr, buff[i], buff_size[i])) { + cmd_special_free(h, c); + status = -EFAULT; + goto cleanup1; + } + ptr += buff_size[i]; + } + } + cmd_special_free(h, c); + status = 0; +cleanup1: + if (buff) { + for (i = 0; i < sg_used; i++) + kfree(buff[i]); + kfree(buff); + } + kfree(buff_size); + kfree(ioc); + return status; +} + +static void check_ioctl_unit_attention(struct ctlr_info *h, + struct CommandList *c) +{ + if (c->err_info->CommandStatus == CMD_TARGET_STATUS && + c->err_info->ScsiStatus != SAM_STAT_CHECK_CONDITION) + (void) check_for_unit_attention(h, c); +} +/* + * ioctl + */ +static int hpsa_ioctl(struct scsi_device *dev, int cmd, void *arg) +{ + struct ctlr_info *h; + void __user *argp = (void __user *)arg; + + h = sdev_to_hba(dev); + + switch (cmd) { + case CCISS_DEREGDISK: + case CCISS_REGNEWDISK: + case CCISS_REGNEWD: + hpsa_update_scsi_devices(h, dev->host->host_no); + return 0; + case CCISS_GETPCIINFO: + return hpsa_getpciinfo_ioctl(h, argp); + case CCISS_GETDRIVVER: + return hpsa_getdrivver_ioctl(h, argp); + case CCISS_PASSTHRU: + return hpsa_passthru_ioctl(h, argp); + case CCISS_BIG_PASSTHRU: + return hpsa_big_passthru_ioctl(h, argp); + default: + return -ENOTTY; + } +} + +static void fill_cmd(struct CommandList *c, __u8 cmd, struct ctlr_info *h, + void *buff, size_t size, __u8 page_code, unsigned char *scsi3addr, + int cmd_type) +{ + int pci_dir = XFER_NONE; + + c->cmd_type = CMD_IOCTL_PEND; + c->Header.ReplyQueue = 0; + if (buff != NULL && size > 0) { + c->Header.SGList = 1; + c->Header.SGTotal = 1; + } else { + c->Header.SGList = 0; + c->Header.SGTotal = 0; + } + c->Header.Tag.lower = c->busaddr; + memcpy(c->Header.LUN.LunAddrBytes, scsi3addr, 8); + + c->Request.Type.Type = cmd_type; + if (cmd_type == TYPE_CMD) { + switch (cmd) { + case HPSA_INQUIRY: + /* are we trying to read a vital product page */ + if (page_code != 0) { + c->Request.CDB[1] = 0x01; + c->Request.CDB[2] = page_code; + } + c->Request.CDBLen = 6; + c->Request.Type.Attribute = ATTR_SIMPLE; + c->Request.Type.Direction = XFER_READ; + c->Request.Timeout = 0; + c->Request.CDB[0] = HPSA_INQUIRY; + c->Request.CDB[4] = size & 0xFF; + break; + case HPSA_REPORT_LOG: + case HPSA_REPORT_PHYS: + /* Talking to controller so It's a physical command + mode = 00 target = 0. Nothing to write. + */ + c->Request.CDBLen = 12; + c->Request.Type.Attribute = ATTR_SIMPLE; + c->Request.Type.Direction = XFER_READ; + c->Request.Timeout = 0; + c->Request.CDB[0] = cmd; + c->Request.CDB[6] = (size >> 24) & 0xFF; /* MSB */ + c->Request.CDB[7] = (size >> 16) & 0xFF; + c->Request.CDB[8] = (size >> 8) & 0xFF; + c->Request.CDB[9] = size & 0xFF; + break; + + case HPSA_READ_CAPACITY: + c->Request.CDBLen = 10; + c->Request.Type.Attribute = ATTR_SIMPLE; + c->Request.Type.Direction = XFER_READ; + c->Request.Timeout = 0; + c->Request.CDB[0] = cmd; + break; + case HPSA_CACHE_FLUSH: + c->Request.CDBLen = 12; + c->Request.Type.Attribute = ATTR_SIMPLE; + c->Request.Type.Direction = XFER_WRITE; + c->Request.Timeout = 0; + c->Request.CDB[0] = BMIC_WRITE; + c->Request.CDB[6] = BMIC_CACHE_FLUSH; + break; + case TEST_UNIT_READY: + c->Request.CDBLen = 6; + c->Request.Type.Attribute = ATTR_SIMPLE; + c->Request.Type.Direction = XFER_NONE; + c->Request.Timeout = 0; + break; + default: + dev_warn(&h->pdev->dev, "unknown command 0x%c\n", cmd); + BUG(); + return; + } + } else if (cmd_type == TYPE_MSG) { + switch (cmd) { + + case HPSA_DEVICE_RESET_MSG: + c->Request.CDBLen = 16; + c->Request.Type.Type = 1; /* It is a MSG not a CMD */ + c->Request.Type.Attribute = ATTR_SIMPLE; + c->Request.Type.Direction = XFER_NONE; + c->Request.Timeout = 0; /* Don't time out */ + c->Request.CDB[0] = 0x01; /* RESET_MSG is 0x01 */ + c->Request.CDB[1] = 0x03; /* Reset target above */ + /* If bytes 4-7 are zero, it means reset the */ + /* LunID device */ + c->Request.CDB[4] = 0x00; + c->Request.CDB[5] = 0x00; + c->Request.CDB[6] = 0x00; + c->Request.CDB[7] = 0x00; + break; + + default: + dev_warn(&h->pdev->dev, "unknown message type %d\n", + cmd); + BUG(); + } + } else { + dev_warn(&h->pdev->dev, "unknown command type %d\n", cmd_type); + BUG(); + } + + switch (c->Request.Type.Direction) { + case XFER_READ: + pci_dir = PCI_DMA_FROMDEVICE; + break; + case XFER_WRITE: + pci_dir = PCI_DMA_TODEVICE; + break; + case XFER_NONE: + pci_dir = PCI_DMA_NONE; + break; + default: + pci_dir = PCI_DMA_BIDIRECTIONAL; + } + + hpsa_map_one(h->pdev, c, buff, size, pci_dir); + + return; +} + +/* + * Map (physical) PCI mem into (virtual) kernel space + */ +static void __iomem *remap_pci_mem(ulong base, ulong size) +{ + ulong page_base = ((ulong) base) & PAGE_MASK; + ulong page_offs = ((ulong) base) - page_base; + void __iomem *page_remapped = ioremap(page_base, page_offs + size); + + return page_remapped ? (page_remapped + page_offs) : NULL; +} + +/* Takes cmds off the submission queue and sends them to the hardware, + * then puts them on the queue of cmds waiting for completion. + */ +static void start_io(struct ctlr_info *h) +{ + struct CommandList *c; + + while (!hlist_empty(&h->reqQ)) { + c = hlist_entry(h->reqQ.first, struct CommandList, list); + /* can't do anything if fifo is full */ + if ((h->access.fifo_full(h))) { + dev_warn(&h->pdev->dev, "fifo full\n"); + break; + } + + /* Get the first entry from the Request Q */ + removeQ(c); + h->Qdepth--; + + /* Tell the controller execute command */ + h->access.submit_command(h, c); + + /* Put job onto the completed Q */ + addQ(&h->cmpQ, c); + } +} + +static inline unsigned long get_next_completion(struct ctlr_info *h) +{ + return h->access.command_completed(h); +} + +static inline int interrupt_pending(struct ctlr_info *h) +{ + return h->access.intr_pending(h); +} + +static inline long interrupt_not_for_us(struct ctlr_info *h) +{ + return ((h->access.intr_pending(h) == 0) || + (h->interrupts_enabled == 0)); +} + +static inline int bad_tag(struct ctlr_info *h, __u32 tag_index, + __u32 raw_tag) +{ + if (unlikely(tag_index >= h->nr_cmds)) { + dev_warn(&h->pdev->dev, "bad tag 0x%08x ignored.\n", raw_tag); + return 1; + } + return 0; +} + +static inline void finish_cmd(struct CommandList *c, __u32 raw_tag) +{ + removeQ(c); + if (likely(c->cmd_type == CMD_SCSI)) + complete_scsi_command(c, 0, raw_tag); + else if (c->cmd_type == CMD_IOCTL_PEND) + complete(c->waiting); +} + +static irqreturn_t do_hpsa_intr(int irq, void *dev_id) +{ + struct ctlr_info *h = dev_id; + struct CommandList *c; + unsigned long flags; + __u32 raw_tag, tag, tag_index; + struct hlist_node *tmp; + + if (interrupt_not_for_us(h)) + return IRQ_NONE; + spin_lock_irqsave(&h->lock, flags); + while (interrupt_pending(h)) { + while ((raw_tag = get_next_completion(h)) != FIFO_EMPTY) { + if (likely(HPSA_TAG_CONTAINS_INDEX(raw_tag))) { + tag_index = HPSA_TAG_TO_INDEX(raw_tag); + if (bad_tag(h, tag_index, raw_tag)) + return IRQ_HANDLED; + c = h->cmd_pool + tag_index; + finish_cmd(c, raw_tag); + continue; + } + tag = HPSA_TAG_DISCARD_ERROR_BITS(raw_tag); + c = NULL; + hlist_for_each_entry(c, tmp, &h->cmpQ, list) { + if (c->busaddr == tag) { + finish_cmd(c, raw_tag); + break; + } + } + } + } + spin_unlock_irqrestore(&h->lock, flags); + return IRQ_HANDLED; +} + +/* Send a message CDB to the firmware. */ +static __devinit int hpsa_message(struct pci_dev *pdev, unsigned char opcode, + unsigned char type) +{ + struct Command { + struct CommandListHeader CommandHeader; + struct RequestBlock Request; + struct ErrDescriptor ErrorDescriptor; + }; + struct Command *cmd; + static const size_t cmd_sz = sizeof(*cmd) + + sizeof(cmd->ErrorDescriptor); + dma_addr_t paddr64; + uint32_t paddr32, tag; + void __iomem *vaddr; + int i, err; + + vaddr = pci_ioremap_bar(pdev, 0); + if (vaddr == NULL) + return -ENOMEM; + + /* The Inbound Post Queue only accepts 32-bit physical addresses for the + * CCISS commands, so they must be allocated from the lower 4GiB of + * memory. + */ + err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)); + if (err) { + iounmap(vaddr); + return -ENOMEM; + } + + cmd = pci_alloc_consistent(pdev, cmd_sz, &paddr64); + if (cmd == NULL) { + iounmap(vaddr); + return -ENOMEM; + } + + /* This must fit, because of the 32-bit consistent DMA mask. Also, + * although there's no guarantee, we assume that the address is at + * least 4-byte aligned (most likely, it's page-aligned). + */ + paddr32 = paddr64; + + cmd->CommandHeader.ReplyQueue = 0; + cmd->CommandHeader.SGList = 0; + cmd->CommandHeader.SGTotal = 0; + cmd->CommandHeader.Tag.lower = paddr32; + cmd->CommandHeader.Tag.upper = 0; + memset(&cmd->CommandHeader.LUN.LunAddrBytes, 0, 8); + + cmd->Request.CDBLen = 16; + cmd->Request.Type.Type = TYPE_MSG; + cmd->Request.Type.Attribute = ATTR_HEADOFQUEUE; + cmd->Request.Type.Direction = XFER_NONE; + cmd->Request.Timeout = 0; /* Don't time out */ + cmd->Request.CDB[0] = opcode; + cmd->Request.CDB[1] = type; + memset(&cmd->Request.CDB[2], 0, 14); /* rest of the CDB is reserved */ + cmd->ErrorDescriptor.Addr.lower = paddr32 + sizeof(*cmd); + cmd->ErrorDescriptor.Addr.upper = 0; + cmd->ErrorDescriptor.Len = sizeof(struct ErrorInfo); + + writel(paddr32, vaddr + SA5_REQUEST_PORT_OFFSET); + + for (i = 0; i < HPSA_MSG_SEND_RETRY_LIMIT; i++) { + tag = readl(vaddr + SA5_REPLY_PORT_OFFSET); + if (HPSA_TAG_DISCARD_ERROR_BITS(tag) == paddr32) + break; + msleep(HPSA_MSG_SEND_RETRY_INTERVAL_MSECS); + } + + iounmap(vaddr); + + /* we leak the DMA buffer here ... no choice since the controller could + * still complete the command. + */ + if (i == HPSA_MSG_SEND_RETRY_LIMIT) { + dev_err(&pdev->dev, "controller message %02x:%02x timed out\n", + opcode, type); + return -ETIMEDOUT; + } + + pci_free_consistent(pdev, cmd_sz, cmd, paddr64); + + if (tag & HPSA_ERROR_BIT) { + dev_err(&pdev->dev, "controller message %02x:%02x failed\n", + opcode, type); + return -EIO; + } + + dev_info(&pdev->dev, "controller message %02x:%02x succeeded\n", + opcode, type); + return 0; +} + +#define hpsa_soft_reset_controller(p) hpsa_message(p, 1, 0) +#define hpsa_noop(p) hpsa_message(p, 3, 0) + +static __devinit int hpsa_reset_msi(struct pci_dev *pdev) +{ +/* the #defines are stolen from drivers/pci/msi.h. */ +#define msi_control_reg(base) (base + PCI_MSI_FLAGS) +#define PCI_MSIX_FLAGS_ENABLE (1 << 15) + + int pos; + u16 control = 0; + + pos = pci_find_capability(pdev, PCI_CAP_ID_MSI); + if (pos) { + pci_read_config_word(pdev, msi_control_reg(pos), &control); + if (control & PCI_MSI_FLAGS_ENABLE) { + dev_info(&pdev->dev, "resetting MSI\n"); + pci_write_config_word(pdev, msi_control_reg(pos), + control & ~PCI_MSI_FLAGS_ENABLE); + } + } + + pos = pci_find_capability(pdev, PCI_CAP_ID_MSIX); + if (pos) { + pci_read_config_word(pdev, msi_control_reg(pos), &control); + if (control & PCI_MSIX_FLAGS_ENABLE) { + dev_info(&pdev->dev, "resetting MSI-X\n"); + pci_write_config_word(pdev, msi_control_reg(pos), + control & ~PCI_MSIX_FLAGS_ENABLE); + } + } + + return 0; +} + +/* This does a hard reset of the controller using PCI power management + * states. + */ +static __devinit int hpsa_hard_reset_controller(struct pci_dev *pdev) +{ + u16 pmcsr, saved_config_space[32]; + int i, pos; + + dev_info(&pdev->dev, "using PCI PM to reset controller\n"); + + /* This is very nearly the same thing as + * + * pci_save_state(pci_dev); + * pci_set_power_state(pci_dev, PCI_D3hot); + * pci_set_power_state(pci_dev, PCI_D0); + * pci_restore_state(pci_dev); + * + * but we can't use these nice canned kernel routines on + * kexec, because they also check the MSI/MSI-X state in PCI + * configuration space and do the wrong thing when it is + * set/cleared. Also, the pci_save/restore_state functions + * violate the ordering requirements for restoring the + * configuration space from the CCISS document (see the + * comment below). So we roll our own .... + */ + + for (i = 0; i < 32; i++) + pci_read_config_word(pdev, 2*i, &saved_config_space[i]); + + pos = pci_find_capability(pdev, PCI_CAP_ID_PM); + if (pos == 0) { + dev_err(&pdev->dev, + "hpsa_reset_controller: PCI PM not supported\n"); + return -ENODEV; + } + + /* Quoting from the Open CISS Specification: "The Power + * Management Control/Status Register (CSR) controls the power + * state of the device. The normal operating state is D0, + * CSR=00h. The software off state is D3, CSR=03h. To reset + * the controller, place the interface device in D3 then to + * D0, this causes a secondary PCI reset which will reset the + * controller." + */ + + /* enter the D3hot power management state */ + pci_read_config_word(pdev, pos + PCI_PM_CTRL, &pmcsr); + pmcsr &= ~PCI_PM_CTRL_STATE_MASK; + pmcsr |= PCI_D3hot; + pci_write_config_word(pdev, pos + PCI_PM_CTRL, pmcsr); + + msleep(500); + + /* enter the D0 power management state */ + pmcsr &= ~PCI_PM_CTRL_STATE_MASK; + pmcsr |= PCI_D0; + pci_write_config_word(pdev, pos + PCI_PM_CTRL, pmcsr); + + msleep(500); + + /* Restore the PCI configuration space. The Open CISS + * Specification says, "Restore the PCI Configuration + * Registers, offsets 00h through 60h. It is important to + * restore the command register, 16-bits at offset 04h, + * last. Do not restore the configuration status register, + * 16-bits at offset 06h." Note that the offset is 2*i. + */ + for (i = 0; i < 32; i++) { + if (i == 2 || i == 3) + continue; + pci_write_config_word(pdev, 2*i, saved_config_space[i]); + } + wmb(); + pci_write_config_word(pdev, 4, saved_config_space[2]); + + return 0; +} + +/* + * We cannot read the structure directly, for portability we must use + * the io functions. + * This is for debug only. + */ +#ifdef HPSA_DEBUG +static void print_cfg_table(struct device *dev, struct CfgTable *tb) +{ + int i; + char temp_name[17]; + + dev_info(dev, "Controller Configuration information\n"); + dev_info(dev, "------------------------------------\n"); + for (i = 0; i < 4; i++) + temp_name[i] = readb(&(tb->Signature[i])); + temp_name[4] = '\0'; + dev_info(dev, " Signature = %s\n", temp_name); + dev_info(dev, " Spec Number = %d\n", readl(&(tb->SpecValence))); + dev_info(dev, " Transport methods supported = 0x%x\n", + readl(&(tb->TransportSupport))); + dev_info(dev, " Transport methods active = 0x%x\n", + readl(&(tb->TransportActive))); + dev_info(dev, " Requested transport Method = 0x%x\n", + readl(&(tb->HostWrite.TransportRequest))); + dev_info(dev, " Coalesce Interrupt Delay = 0x%x\n", + readl(&(tb->HostWrite.CoalIntDelay))); + dev_info(dev, " Coalesce Interrupt Count = 0x%x\n", + readl(&(tb->HostWrite.CoalIntCount))); + dev_info(dev, " Max outstanding commands = 0x%d\n", + readl(&(tb->CmdsOutMax))); + dev_info(dev, " Bus Types = 0x%x\n", readl(&(tb->BusTypes))); + for (i = 0; i < 16; i++) + temp_name[i] = readb(&(tb->ServerName[i])); + temp_name[16] = '\0'; + dev_info(dev, " Server Name = %s\n", temp_name); + dev_info(dev, " Heartbeat Counter = 0x%x\n\n\n", + readl(&(tb->HeartBeat))); +} +#endif /* HPSA_DEBUG */ + +static int find_PCI_BAR_index(struct pci_dev *pdev, unsigned long pci_bar_addr) +{ + int i, offset, mem_type, bar_type; + + if (pci_bar_addr == PCI_BASE_ADDRESS_0) /* looking for BAR zero? */ + return 0; + offset = 0; + for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) { + bar_type = pci_resource_flags(pdev, i) & PCI_BASE_ADDRESS_SPACE; + if (bar_type == PCI_BASE_ADDRESS_SPACE_IO) + offset += 4; + else { + mem_type = pci_resource_flags(pdev, i) & + PCI_BASE_ADDRESS_MEM_TYPE_MASK; + switch (mem_type) { + case PCI_BASE_ADDRESS_MEM_TYPE_32: + case PCI_BASE_ADDRESS_MEM_TYPE_1M: + offset += 4; /* 32 bit */ + break; + case PCI_BASE_ADDRESS_MEM_TYPE_64: + offset += 8; + break; + default: /* reserved in PCI 2.2 */ + dev_warn(&pdev->dev, + "base address is invalid\n"); + return -1; + break; + } + } + if (offset == pci_bar_addr - PCI_BASE_ADDRESS_0) + return i + 1; + } + return -1; +} + +/* If MSI/MSI-X is supported by the kernel we will try to enable it on + * controllers that are capable. If not, we use IO-APIC mode. + */ + +static void __devinit hpsa_interrupt_mode(struct ctlr_info *h, + struct pci_dev *pdev, __u32 board_id) +{ +#ifdef CONFIG_PCI_MSI + int err; + struct msix_entry hpsa_msix_entries[4] = { {0, 0}, {0, 1}, + {0, 2}, {0, 3} + }; + + /* Some boards advertise MSI but don't really support it */ + if ((board_id == 0x40700E11) || + (board_id == 0x40800E11) || + (board_id == 0x40820E11) || (board_id == 0x40830E11)) + goto default_int_mode; + if (pci_find_capability(pdev, PCI_CAP_ID_MSIX)) { + dev_info(&pdev->dev, "MSIX\n"); + err = pci_enable_msix(pdev, hpsa_msix_entries, 4); + if (!err) { + h->intr[0] = hpsa_msix_entries[0].vector; + h->intr[1] = hpsa_msix_entries[1].vector; + h->intr[2] = hpsa_msix_entries[2].vector; + h->intr[3] = hpsa_msix_entries[3].vector; + h->msix_vector = 1; + return; + } + if (err > 0) { + dev_warn(&pdev->dev, "only %d MSI-X vectors " + "available\n", err); + goto default_int_mode; + } else { + dev_warn(&pdev->dev, "MSI-X init failed %d\n", + err); + goto default_int_mode; + } + } + if (pci_find_capability(pdev, PCI_CAP_ID_MSI)) { + dev_info(&pdev->dev, "MSI\n"); + if (!pci_enable_msi(pdev)) + h->msi_vector = 1; + else + dev_warn(&pdev->dev, "MSI init failed\n"); + } +default_int_mode: +#endif /* CONFIG_PCI_MSI */ + /* if we get here we're going to use the default interrupt mode */ + h->intr[SIMPLE_MODE_INT] = pdev->irq; + return; +} + +static int hpsa_pci_init(struct ctlr_info *h, struct pci_dev *pdev) +{ + ushort subsystem_vendor_id, subsystem_device_id, command; + __u32 board_id, scratchpad = 0; + __u64 cfg_offset; + __u32 cfg_base_addr; + __u64 cfg_base_addr_index; + int i, prod_index, err; + + subsystem_vendor_id = pdev->subsystem_vendor; + subsystem_device_id = pdev->subsystem_device; + board_id = (((__u32) (subsystem_device_id << 16) & 0xffff0000) | + subsystem_vendor_id); + + for (i = 0; i < ARRAY_SIZE(products); i++) + if (board_id == products[i].board_id) + break; + + prod_index = i; + + if (prod_index == ARRAY_SIZE(products)) { + prod_index--; + if (subsystem_vendor_id != PCI_VENDOR_ID_HP || + !hpsa_allow_any) { + dev_warn(&pdev->dev, "unrecognized board ID:" + " 0x%08lx, ignoring.\n", + (unsigned long) board_id); + return -ENODEV; + } + } + /* check to see if controller has been disabled + * BEFORE trying to enable it + */ + (void)pci_read_config_word(pdev, PCI_COMMAND, &command); + if (!(command & 0x02)) { + dev_warn(&pdev->dev, "controller appears to be disabled\n"); + return -ENODEV; + } + + err = pci_enable_device(pdev); + if (err) { + dev_warn(&pdev->dev, "unable to enable PCI device\n"); + return err; + } + + err = pci_request_regions(pdev, "hpsa"); + if (err) { + dev_err(&pdev->dev, "cannot obtain PCI resources, aborting\n"); + return err; + } + + /* If the kernel supports MSI/MSI-X we will try to enable that, + * else we use the IO-APIC interrupt assigned to us by system ROM. + */ + hpsa_interrupt_mode(h, pdev, board_id); + + /* find the memory BAR */ + for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) { + if (pci_resource_flags(pdev, i) & IORESOURCE_MEM) + break; + } + if (i == DEVICE_COUNT_RESOURCE) { + dev_warn(&pdev->dev, "no memory BAR found\n"); + err = -ENODEV; + goto err_out_free_res; + } + + h->paddr = pci_resource_start(pdev, i); /* addressing mode bits + * already removed + */ + + h->vaddr = remap_pci_mem(h->paddr, 0x250); + + /* Wait for the board to become ready. */ + for (i = 0; i < HPSA_BOARD_READY_ITERATIONS; i++) { + scratchpad = readl(h->vaddr + SA5_SCRATCHPAD_OFFSET); + if (scratchpad == HPSA_FIRMWARE_READY) + break; + msleep(HPSA_BOARD_READY_POLL_INTERVAL_MSECS); + } + if (scratchpad != HPSA_FIRMWARE_READY) { + dev_warn(&pdev->dev, "board not ready, timed out.\n"); + err = -ENODEV; + goto err_out_free_res; + } + + /* get the address index number */ + cfg_base_addr = readl(h->vaddr + SA5_CTCFG_OFFSET); + cfg_base_addr &= (__u32) 0x0000ffff; + cfg_base_addr_index = find_PCI_BAR_index(pdev, cfg_base_addr); + if (cfg_base_addr_index == -1) { + dev_warn(&pdev->dev, "cannot find cfg_base_addr_index\n"); + err = -ENODEV; + goto err_out_free_res; + } + + cfg_offset = readl(h->vaddr + SA5_CTMEM_OFFSET); + h->cfgtable = remap_pci_mem(pci_resource_start(pdev, + cfg_base_addr_index) + cfg_offset, + sizeof(h->cfgtable)); + h->board_id = board_id; + + /* Query controller for max supported commands: */ + h->max_commands = readl(&(h->cfgtable->CmdsOutMax)); + + h->product_name = products[prod_index].product_name; + h->access = *(products[prod_index].access); + /* Allow room for some ioctls */ + h->nr_cmds = h->max_commands - 4; + + if ((readb(&h->cfgtable->Signature[0]) != 'C') || + (readb(&h->cfgtable->Signature[1]) != 'I') || + (readb(&h->cfgtable->Signature[2]) != 'S') || + (readb(&h->cfgtable->Signature[3]) != 'S')) { + dev_warn(&pdev->dev, "not a valid CISS config table\n"); + err = -ENODEV; + goto err_out_free_res; + } +#ifdef CONFIG_X86 + { + /* Need to enable prefetch in the SCSI core for 6400 in x86 */ + __u32 prefetch; + prefetch = readl(&(h->cfgtable->SCSI_Prefetch)); + prefetch |= 0x100; + writel(prefetch, &(h->cfgtable->SCSI_Prefetch)); + } +#endif + + /* Disabling DMA prefetch for the P600 + * An ASIC bug may result in a prefetch beyond + * physical memory. + */ + if (board_id == 0x3225103C) { + __u32 dma_prefetch; + dma_prefetch = readl(h->vaddr + I2O_DMA1_CFG); + dma_prefetch |= 0x8000; + writel(dma_prefetch, h->vaddr + I2O_DMA1_CFG); + } + + h->max_commands = readl(&(h->cfgtable->CmdsOutMax)); + /* Update the field, and then ring the doorbell */ + writel(CFGTBL_Trans_Simple, &(h->cfgtable->HostWrite.TransportRequest)); + writel(CFGTBL_ChangeReq, h->vaddr + SA5_DOORBELL); + + /* under certain very rare conditions, this can take awhile. + * (e.g.: hot replace a failed 144GB drive in a RAID 5 set right + * as we enter this code.) + */ + for (i = 0; i < MAX_CONFIG_WAIT; i++) { + if (!(readl(h->vaddr + SA5_DOORBELL) & CFGTBL_ChangeReq)) + break; + /* delay and try again */ + msleep(10); + } + +#ifdef HPSA_DEBUG + print_cfg_table(&pdev->dev, h->cfgtable); +#endif /* HPSA_DEBUG */ + + if (!(readl(&(h->cfgtable->TransportActive)) & CFGTBL_Trans_Simple)) { + dev_warn(&pdev->dev, "unable to get board into simple mode\n"); + err = -ENODEV; + goto err_out_free_res; + } + return 0; + +err_out_free_res: + /* + * Deliberately omit pci_disable_device(): it does something nasty to + * Smart Array controllers that pci_enable_device does not undo + */ + pci_release_regions(pdev); + return err; +} + +static int __devinit hpsa_init_one(struct pci_dev *pdev, + const struct pci_device_id *ent) +{ + int i; + int dac; + struct ctlr_info *h; + + if (number_of_controllers == 0) + printk(KERN_INFO DRIVER_NAME "\n"); + if (reset_devices) { + /* Reset the controller with a PCI power-cycle */ + if (hpsa_hard_reset_controller(pdev) || hpsa_reset_msi(pdev)) + return -ENODEV; + + /* Some devices (notably the HP Smart Array 5i Controller) + need a little pause here */ + msleep(HPSA_POST_RESET_PAUSE_MSECS); + + /* Now try to get the controller to respond to a no-op */ + for (i = 0; i < HPSA_POST_RESET_NOOP_RETRIES; i++) { + if (hpsa_noop(pdev) == 0) + break; + else + dev_warn(&pdev->dev, "no-op failed%s\n", + (i < 11 ? "; re-trying" : "")); + } + } + + BUILD_BUG_ON(sizeof(struct CommandList) % 8); + h = kzalloc(sizeof(*h), GFP_KERNEL); + if (!h) + return -1; + + h->busy_initializing = 1; + INIT_HLIST_HEAD(&h->cmpQ); + INIT_HLIST_HEAD(&h->reqQ); + mutex_init(&h->busy_shutting_down); + init_completion(&h->scan_wait); + if (hpsa_pci_init(h, pdev) != 0) + goto clean1; + + sprintf(h->devname, "hpsa%d", number_of_controllers); + h->ctlr = number_of_controllers; + number_of_controllers++; + h->pdev = pdev; + + /* configure PCI DMA stuff */ + if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64))) + dac = 1; + else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) + dac = 0; + else { + dev_err(&pdev->dev, "no suitable DMA available\n"); + goto clean1; + } + + /* make sure the board interrupts are off */ + h->access.set_intr_mask(h, HPSA_INTR_OFF); + if (request_irq(h->intr[SIMPLE_MODE_INT], do_hpsa_intr, + IRQF_DISABLED | IRQF_SHARED, h->devname, h)) { + dev_err(&pdev->dev, "unable to get irq %d for %s\n", + h->intr[SIMPLE_MODE_INT], h->devname); + goto clean2; + } + + dev_info(&pdev->dev, "%s: <0x%x> at PCI %s IRQ %d%s using DAC\n", + h->devname, pdev->device, pci_name(pdev), + h->intr[SIMPLE_MODE_INT], dac ? "" : " not"); + + h->cmd_pool_bits = + kmalloc(((h->nr_cmds + BITS_PER_LONG - + 1) / BITS_PER_LONG) * sizeof(unsigned long), GFP_KERNEL); + h->cmd_pool = pci_alloc_consistent(h->pdev, + h->nr_cmds * sizeof(*h->cmd_pool), + &(h->cmd_pool_dhandle)); + h->errinfo_pool = pci_alloc_consistent(h->pdev, + h->nr_cmds * sizeof(*h->errinfo_pool), + &(h->errinfo_pool_dhandle)); + if ((h->cmd_pool_bits == NULL) + || (h->cmd_pool == NULL) + || (h->errinfo_pool == NULL)) { + dev_err(&pdev->dev, "out of memory"); + goto clean4; + } + spin_lock_init(&h->lock); + + pci_set_drvdata(pdev, h); + memset(h->cmd_pool_bits, 0, + ((h->nr_cmds + BITS_PER_LONG - + 1) / BITS_PER_LONG) * sizeof(unsigned long)); + + hpsa_scsi_setup(h); + + /* Turn the interrupts on so we can service requests */ + h->access.set_intr_mask(h, HPSA_INTR_ON); + + hpsa_register_scsi(h); /* hook ourselves into SCSI subsystem */ + h->busy_initializing = 0; + return 1; + +clean4: + kfree(h->cmd_pool_bits); + if (h->cmd_pool) + pci_free_consistent(h->pdev, + h->nr_cmds * sizeof(struct CommandList), + h->cmd_pool, h->cmd_pool_dhandle); + if (h->errinfo_pool) + pci_free_consistent(h->pdev, + h->nr_cmds * sizeof(struct ErrorInfo), + h->errinfo_pool, + h->errinfo_pool_dhandle); + free_irq(h->intr[SIMPLE_MODE_INT], h); +clean2: +clean1: + h->busy_initializing = 0; + kfree(h); + return -1; +} + +static void hpsa_flush_cache(struct ctlr_info *h) +{ + char *flush_buf; + struct CommandList *c; + + flush_buf = kzalloc(4, GFP_KERNEL); + if (!flush_buf) + return; + + c = cmd_special_alloc(h); + if (!c) { + dev_warn(&h->pdev->dev, "cmd_special_alloc returned NULL!\n"); + goto out_of_memory; + } + fill_cmd(c, HPSA_CACHE_FLUSH, h, flush_buf, 4, 0, + RAID_CTLR_LUNID, TYPE_CMD); + hpsa_scsi_do_simple_cmd_with_retry(h, c, PCI_DMA_TODEVICE); + if (c->err_info->CommandStatus != 0) + dev_warn(&h->pdev->dev, + "error flushing cache on controller\n"); + cmd_special_free(h, c); +out_of_memory: + kfree(flush_buf); +} + +static void hpsa_shutdown(struct pci_dev *pdev) +{ + struct ctlr_info *h; + + h = pci_get_drvdata(pdev); + /* Turn board interrupts off and send the flush cache command + * sendcmd will turn off interrupt, and send the flush... + * To write all data in the battery backed cache to disks + */ + hpsa_flush_cache(h); + h->access.set_intr_mask(h, HPSA_INTR_OFF); + free_irq(h->intr[2], h); +#ifdef CONFIG_PCI_MSI + if (h->msix_vector) + pci_disable_msix(h->pdev); + else if (h->msi_vector) + pci_disable_msi(h->pdev); +#endif /* CONFIG_PCI_MSI */ +} + +static void __devexit hpsa_remove_one(struct pci_dev *pdev) +{ + struct ctlr_info *h; + + if (pci_get_drvdata(pdev) == NULL) { + dev_err(&pdev->dev, "unable to remove device \n"); + return; + } + h = pci_get_drvdata(pdev); + mutex_lock(&h->busy_shutting_down); + remove_from_scan_list(h); + hpsa_unregister_scsi(h); /* unhook from SCSI subsystem */ + hpsa_shutdown(pdev); + iounmap(h->vaddr); + pci_free_consistent(h->pdev, + h->nr_cmds * sizeof(struct CommandList), + h->cmd_pool, h->cmd_pool_dhandle); + pci_free_consistent(h->pdev, + h->nr_cmds * sizeof(struct ErrorInfo), + h->errinfo_pool, h->errinfo_pool_dhandle); + kfree(h->cmd_pool_bits); + /* + * Deliberately omit pci_disable_device(): it does something nasty to + * Smart Array controllers that pci_enable_device does not undo + */ + pci_release_regions(pdev); + pci_set_drvdata(pdev, NULL); + mutex_unlock(&h->busy_shutting_down); + kfree(h); +} + +static int hpsa_suspend(__attribute__((unused)) struct pci_dev *pdev, + __attribute__((unused)) pm_message_t state) +{ + return -ENOSYS; +} + +static int hpsa_resume(__attribute__((unused)) struct pci_dev *pdev) +{ + return -ENOSYS; +} + +static struct pci_driver hpsa_pci_driver = { + .name = "hpsa", + .probe = hpsa_init_one, + .remove = __devexit_p(hpsa_remove_one), + .id_table = hpsa_pci_device_id, /* id_table */ + .shutdown = hpsa_shutdown, + .suspend = hpsa_suspend, + .resume = hpsa_resume, +}; + +/* + * This is it. Register the PCI driver information for the cards we control + * the OS will call our registered routines when it finds one of our cards. + */ +static int __init hpsa_init(void) +{ + int err; + /* Start the scan thread */ + hpsa_scan_thread = kthread_run(hpsa_scan_func, NULL, "hpsa_scan"); + if (IS_ERR(hpsa_scan_thread)) { + err = PTR_ERR(hpsa_scan_thread); + return -ENODEV; + } + err = pci_register_driver(&hpsa_pci_driver); + if (err) + kthread_stop(hpsa_scan_thread); + return err; +} + +static void __exit hpsa_cleanup(void) +{ + pci_unregister_driver(&hpsa_pci_driver); + kthread_stop(hpsa_scan_thread); +} + +module_init(hpsa_init); +module_exit(hpsa_cleanup); diff --git a/drivers/scsi/hpsa.h b/drivers/scsi/hpsa.h new file mode 100644 index 00000000000..6bd1949144b --- /dev/null +++ b/drivers/scsi/hpsa.h @@ -0,0 +1,273 @@ +/* + * Disk Array driver for HP Smart Array SAS controllers + * Copyright 2000, 2009 Hewlett-Packard Development Company, L.P. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * + * Questions/Comments/Bugfixes to iss_storagedev@hp.com + * + */ +#ifndef HPSA_H +#define HPSA_H + +#include <scsi/scsicam.h> + +#define IO_OK 0 +#define IO_ERROR 1 + +struct ctlr_info; + +struct access_method { + void (*submit_command)(struct ctlr_info *h, + struct CommandList *c); + void (*set_intr_mask)(struct ctlr_info *h, unsigned long val); + unsigned long (*fifo_full)(struct ctlr_info *h); + unsigned long (*intr_pending)(struct ctlr_info *h); + unsigned long (*command_completed)(struct ctlr_info *h); +}; + +struct hpsa_scsi_dev_t { + int devtype; + int bus, target, lun; /* as presented to the OS */ + unsigned char scsi3addr[8]; /* as presented to the HW */ +#define RAID_CTLR_LUNID "\0\0\0\0\0\0\0\0" + unsigned char device_id[16]; /* from inquiry pg. 0x83 */ + unsigned char vendor[8]; /* bytes 8-15 of inquiry data */ + unsigned char model[16]; /* bytes 16-31 of inquiry data */ + unsigned char revision[4]; /* bytes 32-35 of inquiry data */ + unsigned char raid_level; /* from inquiry page 0xC1 */ +}; + +struct ctlr_info { + int ctlr; + char devname[8]; + char *product_name; + char firm_ver[4]; /* Firmware version */ + struct pci_dev *pdev; + __u32 board_id; + void __iomem *vaddr; + unsigned long paddr; + int nr_cmds; /* Number of commands allowed on this controller */ + struct CfgTable __iomem *cfgtable; + int interrupts_enabled; + int major; + int max_commands; + int commands_outstanding; + int max_outstanding; /* Debug */ + int usage_count; /* number of opens all all minor devices */ +# define DOORBELL_INT 0 +# define PERF_MODE_INT 1 +# define SIMPLE_MODE_INT 2 +# define MEMQ_MODE_INT 3 + unsigned int intr[4]; + unsigned int msix_vector; + unsigned int msi_vector; + struct access_method access; + + /* queue and queue Info */ + struct hlist_head reqQ; + struct hlist_head cmpQ; + unsigned int Qdepth; + unsigned int maxQsinceinit; + unsigned int maxSG; + spinlock_t lock; + + /* pointers to command and error info pool */ + struct CommandList *cmd_pool; + dma_addr_t cmd_pool_dhandle; + struct ErrorInfo *errinfo_pool; + dma_addr_t errinfo_pool_dhandle; + unsigned long *cmd_pool_bits; + int nr_allocs; + int nr_frees; + int busy_initializing; + int busy_scanning; + struct mutex busy_shutting_down; + struct list_head scan_list; + struct completion scan_wait; + + struct Scsi_Host *scsi_host; + spinlock_t devlock; /* to protect hba[ctlr]->dev[]; */ + int ndevices; /* number of used elements in .dev[] array. */ +#define HPSA_MAX_SCSI_DEVS_PER_HBA 256 + struct hpsa_scsi_dev_t *dev[HPSA_MAX_SCSI_DEVS_PER_HBA]; +}; +#define HPSA_ABORT_MSG 0 +#define HPSA_DEVICE_RESET_MSG 1 +#define HPSA_BUS_RESET_MSG 2 +#define HPSA_HOST_RESET_MSG 3 +#define HPSA_MSG_SEND_RETRY_LIMIT 10 +#define HPSA_MSG_SEND_RETRY_INTERVAL_MSECS 1000 + +/* Maximum time in seconds driver will wait for command completions + * when polling before giving up. + */ +#define HPSA_MAX_POLL_TIME_SECS (20) + +/* During SCSI error recovery, HPSA_TUR_RETRY_LIMIT defines + * how many times to retry TEST UNIT READY on a device + * while waiting for it to become ready before giving up. + * HPSA_MAX_WAIT_INTERVAL_SECS is the max wait interval + * between sending TURs while waiting for a device + * to become ready. + */ +#define HPSA_TUR_RETRY_LIMIT (20) +#define HPSA_MAX_WAIT_INTERVAL_SECS (30) + +/* HPSA_BOARD_READY_WAIT_SECS is how long to wait for a board + * to become ready, in seconds, before giving up on it. + * HPSA_BOARD_READY_POLL_INTERVAL_MSECS * is how long to wait + * between polling the board to see if it is ready, in + * milliseconds. HPSA_BOARD_READY_POLL_INTERVAL and + * HPSA_BOARD_READY_ITERATIONS are derived from those. + */ +#define HPSA_BOARD_READY_WAIT_SECS (120) +#define HPSA_BOARD_READY_POLL_INTERVAL_MSECS (100) +#define HPSA_BOARD_READY_POLL_INTERVAL \ + ((HPSA_BOARD_READY_POLL_INTERVAL_MSECS * HZ) / 1000) +#define HPSA_BOARD_READY_ITERATIONS \ + ((HPSA_BOARD_READY_WAIT_SECS * 1000) / \ + HPSA_BOARD_READY_POLL_INTERVAL_MSECS) +#define HPSA_POST_RESET_PAUSE_MSECS (3000) +#define HPSA_POST_RESET_NOOP_RETRIES (12) + +/* Defining the diffent access_menthods */ +/* + * Memory mapped FIFO interface (SMART 53xx cards) + */ +#define SA5_DOORBELL 0x20 +#define SA5_REQUEST_PORT_OFFSET 0x40 +#define SA5_REPLY_INTR_MASK_OFFSET 0x34 +#define SA5_REPLY_PORT_OFFSET 0x44 +#define SA5_INTR_STATUS 0x30 +#define SA5_SCRATCHPAD_OFFSET 0xB0 + +#define SA5_CTCFG_OFFSET 0xB4 +#define SA5_CTMEM_OFFSET 0xB8 + +#define SA5_INTR_OFF 0x08 +#define SA5B_INTR_OFF 0x04 +#define SA5_INTR_PENDING 0x08 +#define SA5B_INTR_PENDING 0x04 +#define FIFO_EMPTY 0xffffffff +#define HPSA_FIRMWARE_READY 0xffff0000 /* value in scratchpad register */ + +#define HPSA_ERROR_BIT 0x02 +#define HPSA_TAG_CONTAINS_INDEX(tag) ((tag) & 0x04) +#define HPSA_TAG_TO_INDEX(tag) ((tag) >> 3) +#define HPSA_TAG_DISCARD_ERROR_BITS(tag) ((tag) & ~3) + +#define HPSA_INTR_ON 1 +#define HPSA_INTR_OFF 0 +/* + Send the command to the hardware +*/ +static void SA5_submit_command(struct ctlr_info *h, + struct CommandList *c) +{ +#ifdef HPSA_DEBUG + printk(KERN_WARNING "hpsa: Sending %x - down to controller\n", + c->busaddr); +#endif /* HPSA_DEBUG */ + writel(c->busaddr, h->vaddr + SA5_REQUEST_PORT_OFFSET); + h->commands_outstanding++; + if (h->commands_outstanding > h->max_outstanding) + h->max_outstanding = h->commands_outstanding; +} + +/* + * This card is the opposite of the other cards. + * 0 turns interrupts on... + * 0x08 turns them off... + */ +static void SA5_intr_mask(struct ctlr_info *h, unsigned long val) +{ + if (val) { /* Turn interrupts on */ + h->interrupts_enabled = 1; + writel(0, h->vaddr + SA5_REPLY_INTR_MASK_OFFSET); + } else { /* Turn them off */ + h->interrupts_enabled = 0; + writel(SA5_INTR_OFF, + h->vaddr + SA5_REPLY_INTR_MASK_OFFSET); + } +} +/* + * Returns true if fifo is full. + * + */ +static unsigned long SA5_fifo_full(struct ctlr_info *h) +{ + if (h->commands_outstanding >= h->max_commands) + return 1; + else + return 0; + +} +/* + * returns value read from hardware. + * returns FIFO_EMPTY if there is nothing to read + */ +static unsigned long SA5_completed(struct ctlr_info *h) +{ + unsigned long register_value + = readl(h->vaddr + SA5_REPLY_PORT_OFFSET); + + if (register_value != FIFO_EMPTY) + h->commands_outstanding--; + +#ifdef HPSA_DEBUG + if (register_value != FIFO_EMPTY) + printk(KERN_INFO "hpsa: Read %lx back from board\n", + register_value); + else + printk(KERN_INFO "hpsa: FIFO Empty read\n"); +#endif + + return register_value; +} +/* + * Returns true if an interrupt is pending.. + */ +static unsigned long SA5_intr_pending(struct ctlr_info *h) +{ + unsigned long register_value = + readl(h->vaddr + SA5_INTR_STATUS); +#ifdef HPSA_DEBUG + printk(KERN_INFO "hpsa: intr_pending %lx\n", register_value); +#endif /* HPSA_DEBUG */ + if (register_value & SA5_INTR_PENDING) + return 1; + return 0 ; +} + + +static struct access_method SA5_access = { + SA5_submit_command, + SA5_intr_mask, + SA5_fifo_full, + SA5_intr_pending, + SA5_completed, +}; + +struct board_type { + __u32 board_id; + char *product_name; + struct access_method *access; +}; + + +/* end of old hpsa_scsi.h file */ + +#endif /* HPSA_H */ + diff --git a/drivers/scsi/hpsa_cmd.h b/drivers/scsi/hpsa_cmd.h new file mode 100644 index 00000000000..12d71387ed9 --- /dev/null +++ b/drivers/scsi/hpsa_cmd.h @@ -0,0 +1,326 @@ +/* + * Disk Array driver for HP Smart Array SAS controllers + * Copyright 2000, 2009 Hewlett-Packard Development Company, L.P. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * + * Questions/Comments/Bugfixes to iss_storagedev@hp.com + * + */ +#ifndef HPSA_CMD_H +#define HPSA_CMD_H + +/* general boundary defintions */ +#define SENSEINFOBYTES 32 /* may vary between hbas */ +#define MAXSGENTRIES 31 +#define MAXREPLYQS 256 + +/* Command Status value */ +#define CMD_SUCCESS 0x0000 +#define CMD_TARGET_STATUS 0x0001 +#define CMD_DATA_UNDERRUN 0x0002 +#define CMD_DATA_OVERRUN 0x0003 +#define CMD_INVALID 0x0004 +#define CMD_PROTOCOL_ERR 0x0005 +#define CMD_HARDWARE_ERR 0x0006 +#define CMD_CONNECTION_LOST 0x0007 +#define CMD_ABORTED 0x0008 +#define CMD_ABORT_FAILED 0x0009 +#define CMD_UNSOLICITED_ABORT 0x000A +#define CMD_TIMEOUT 0x000B +#define CMD_UNABORTABLE 0x000C + +/* Unit Attentions ASC's as defined for the MSA2012sa */ +#define POWER_OR_RESET 0x29 +#define STATE_CHANGED 0x2a +#define UNIT_ATTENTION_CLEARED 0x2f +#define LUN_FAILED 0x3e +#define REPORT_LUNS_CHANGED 0x3f + +/* Unit Attentions ASCQ's as defined for the MSA2012sa */ + + /* These ASCQ's defined for ASC = POWER_OR_RESET */ +#define POWER_ON_RESET 0x00 +#define POWER_ON_REBOOT 0x01 +#define SCSI_BUS_RESET 0x02 +#define MSA_TARGET_RESET 0x03 +#define CONTROLLER_FAILOVER 0x04 +#define TRANSCEIVER_SE 0x05 +#define TRANSCEIVER_LVD 0x06 + + /* These ASCQ's defined for ASC = STATE_CHANGED */ +#define RESERVATION_PREEMPTED 0x03 +#define ASYM_ACCESS_CHANGED 0x06 +#define LUN_CAPACITY_CHANGED 0x09 + +/* transfer direction */ +#define XFER_NONE 0x00 +#define XFER_WRITE 0x01 +#define XFER_READ 0x02 +#define XFER_RSVD 0x03 + +/* task attribute */ +#define ATTR_UNTAGGED 0x00 +#define ATTR_SIMPLE 0x04 +#define ATTR_HEADOFQUEUE 0x05 +#define ATTR_ORDERED 0x06 +#define ATTR_ACA 0x07 + +/* cdb type */ +#define TYPE_CMD 0x00 +#define TYPE_MSG 0x01 + +/* config space register offsets */ +#define CFG_VENDORID 0x00 +#define CFG_DEVICEID 0x02 +#define CFG_I2OBAR 0x10 +#define CFG_MEM1BAR 0x14 + +/* i2o space register offsets */ +#define I2O_IBDB_SET 0x20 +#define I2O_IBDB_CLEAR 0x70 +#define I2O_INT_STATUS 0x30 +#define I2O_INT_MASK 0x34 +#define I2O_IBPOST_Q 0x40 +#define I2O_OBPOST_Q 0x44 +#define I2O_DMA1_CFG 0x214 + +/* Configuration Table */ +#define CFGTBL_ChangeReq 0x00000001l +#define CFGTBL_AccCmds 0x00000001l + +#define CFGTBL_Trans_Simple 0x00000002l + +#define CFGTBL_BusType_Ultra2 0x00000001l +#define CFGTBL_BusType_Ultra3 0x00000002l +#define CFGTBL_BusType_Fibre1G 0x00000100l +#define CFGTBL_BusType_Fibre2G 0x00000200l +struct vals32 { + __u32 lower; + __u32 upper; +}; + +union u64bit { + struct vals32 val32; + __u64 val; +}; + +/* FIXME this is a per controller value (barf!) */ +#define HPSA_MAX_TARGETS_PER_CTLR 16 +#define HPSA_MAX_LUN 256 +#define HPSA_MAX_PHYS_LUN 1024 + +/* SCSI-3 Commands */ +#pragma pack(1) + +#define HPSA_INQUIRY 0x12 +struct InquiryData { + __u8 data_byte[36]; +}; + +#define HPSA_REPORT_LOG 0xc2 /* Report Logical LUNs */ +#define HPSA_REPORT_PHYS 0xc3 /* Report Physical LUNs */ +struct ReportLUNdata { + __u8 LUNListLength[4]; + __u32 reserved; + __u8 LUN[HPSA_MAX_LUN][8]; +}; + +struct ReportExtendedLUNdata { + __u8 LUNListLength[4]; + __u8 extended_response_flag; + __u8 reserved[3]; + __u8 LUN[HPSA_MAX_LUN][24]; +}; + +struct SenseSubsystem_info { + __u8 reserved[36]; + __u8 portname[8]; + __u8 reserved1[1108]; +}; + +#define HPSA_READ_CAPACITY 0x25 /* Read Capacity */ +struct ReadCapdata { + __u8 total_size[4]; /* Total size in blocks */ + __u8 block_size[4]; /* Size of blocks in bytes */ +}; + +#if 0 +/* 12 byte commands not implemented in firmware yet. */ +#define HPSA_READ 0xa8 +#define HPSA_WRITE 0xaa +#endif + +#define HPSA_READ 0x28 /* Read(10) */ +#define HPSA_WRITE 0x2a /* Write(10) */ + +/* BMIC commands */ +#define BMIC_READ 0x26 +#define BMIC_WRITE 0x27 +#define BMIC_CACHE_FLUSH 0xc2 +#define HPSA_CACHE_FLUSH 0x01 /* C2 was already being used by HPSA */ + +/* Command List Structure */ +union SCSI3Addr { + struct { + __u8 Dev; + __u8 Bus:6; + __u8 Mode:2; /* b00 */ + } PeripDev; + struct { + __u8 DevLSB; + __u8 DevMSB:6; + __u8 Mode:2; /* b01 */ + } LogDev; + struct { + __u8 Dev:5; + __u8 Bus:3; + __u8 Targ:6; + __u8 Mode:2; /* b10 */ + } LogUnit; +}; + +struct PhysDevAddr { + __u32 TargetId:24; + __u32 Bus:6; + __u32 Mode:2; + /* 2 level target device addr */ + union SCSI3Addr Target[2]; +}; + +struct LogDevAddr { + __u32 VolId:30; + __u32 Mode:2; + __u8 reserved[4]; +}; + +union LUNAddr { + __u8 LunAddrBytes[8]; + union SCSI3Addr SCSI3Lun[4]; + struct PhysDevAddr PhysDev; + struct LogDevAddr LogDev; +}; + +struct CommandListHeader { + __u8 ReplyQueue; + __u8 SGList; + __u16 SGTotal; + struct vals32 Tag; + union LUNAddr LUN; +}; + +struct RequestBlock { + __u8 CDBLen; + struct { + __u8 Type:3; + __u8 Attribute:3; + __u8 Direction:2; + } Type; + __u16 Timeout; + __u8 CDB[16]; +}; + +struct ErrDescriptor { + struct vals32 Addr; + __u32 Len; +}; + +struct SGDescriptor { + struct vals32 Addr; + __u32 Len; + __u32 Ext; +}; + +union MoreErrInfo { + struct { + __u8 Reserved[3]; + __u8 Type; + __u32 ErrorInfo; + } Common_Info; + struct { + __u8 Reserved[2]; + __u8 offense_size; /* size of offending entry */ + __u8 offense_num; /* byte # of offense 0-base */ + __u32 offense_value; + } Invalid_Cmd; +}; +struct ErrorInfo { + __u8 ScsiStatus; + __u8 SenseLen; + __u16 CommandStatus; + __u32 ResidualCnt; + union MoreErrInfo MoreErrInfo; + __u8 SenseInfo[SENSEINFOBYTES]; +}; +/* Command types */ +#define CMD_IOCTL_PEND 0x01 +#define CMD_SCSI 0x03 + +struct ctlr_info; /* defined in hpsa.h */ +/* The size of this structure needs to be divisible by 8 + * od on all architectures, because the controller uses 2 + * lower bits of the address, and the driver uses 1 lower + * bit (3 bits total.) + */ +struct CommandList { + struct CommandListHeader Header; + struct RequestBlock Request; + struct ErrDescriptor ErrDesc; + struct SGDescriptor SG[MAXSGENTRIES]; + /* information associated with the command */ + __u32 busaddr; /* physical addr of this record */ + struct ErrorInfo *err_info; /* pointer to the allocated mem */ + struct ctlr_info *h; + int cmd_type; + long cmdindex; + struct hlist_node list; + struct CommandList *prev; + struct CommandList *next; + struct request *rq; + struct completion *waiting; + int retry_count; + void *scsi_cmd; +}; + +/* Configuration Table Structure */ +struct HostWrite { + __u32 TransportRequest; + __u32 Reserved; + __u32 CoalIntDelay; + __u32 CoalIntCount; +}; + +struct CfgTable { + __u8 Signature[4]; + __u32 SpecValence; + __u32 TransportSupport; + __u32 TransportActive; + struct HostWrite HostWrite; + __u32 CmdsOutMax; + __u32 BusTypes; + __u32 Reserved; + __u8 ServerName[16]; + __u32 HeartBeat; + __u32 SCSI_Prefetch; +}; + +struct hpsa_pci_info { + unsigned char bus; + unsigned char dev_fn; + unsigned short domain; + __u32 board_id; +}; + +#pragma pack() +#endif /* HPSA_CMD_H */ diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c index 8643f508936..9e52d16c7c3 100644 --- a/drivers/scsi/ipr.c +++ b/drivers/scsi/ipr.c @@ -6521,6 +6521,7 @@ static int ipr_reset_restore_cfg_space(struct ipr_cmnd *ipr_cmd) int rc; ENTER; + ioa_cfg->pdev->state_saved = true; rc = pci_restore_state(ioa_cfg->pdev); if (rc != PCIBIOS_SUCCESSFUL) { diff --git a/drivers/scsi/libfc/fc_fcp.c b/drivers/scsi/libfc/fc_fcp.c index c4b58d042f6..881d5dfe8c7 100644 --- a/drivers/scsi/libfc/fc_fcp.c +++ b/drivers/scsi/libfc/fc_fcp.c @@ -68,18 +68,20 @@ struct kmem_cache *scsi_pkt_cachep; /** * struct fc_fcp_internal - FCP layer internal data - * @scsi_pkt_pool: Memory pool to draw FCP packets from + * @scsi_pkt_pool: Memory pool to draw FCP packets from + * @scsi_queue_lock: Protects the scsi_pkt_queue * @scsi_pkt_queue: Current FCP packets * @last_can_queue_ramp_down_time: ramp down time * @last_can_queue_ramp_up_time: ramp up time * @max_can_queue: max can_queue size */ struct fc_fcp_internal { - mempool_t *scsi_pkt_pool; - struct list_head scsi_pkt_queue; - unsigned long last_can_queue_ramp_down_time; - unsigned long last_can_queue_ramp_up_time; - int max_can_queue; + mempool_t *scsi_pkt_pool; + spinlock_t scsi_queue_lock; + struct list_head scsi_pkt_queue; + unsigned long last_can_queue_ramp_down_time; + unsigned long last_can_queue_ramp_up_time; + int max_can_queue; }; #define fc_get_scsi_internal(x) ((struct fc_fcp_internal *)(x)->scsi_priv) @@ -410,12 +412,14 @@ static inline struct fc_frame *fc_fcp_frame_alloc(struct fc_lport *lport, unsigned long flags; fp = fc_frame_alloc(lport, len); - if (!fp) { - spin_lock_irqsave(lport->host->host_lock, flags); - fc_fcp_can_queue_ramp_down(lport); - spin_unlock_irqrestore(lport->host->host_lock, flags); - } - return fp; + if (likely(fp)) + return fp; + + /* error case */ + spin_lock_irqsave(lport->host->host_lock, flags); + fc_fcp_can_queue_ramp_down(lport); + spin_unlock_irqrestore(lport->host->host_lock, flags); + return NULL; } /** @@ -990,7 +994,7 @@ static void fc_fcp_cleanup_each_cmd(struct fc_lport *lport, unsigned int id, struct scsi_cmnd *sc_cmd; unsigned long flags; - spin_lock_irqsave(lport->host->host_lock, flags); + spin_lock_irqsave(&si->scsi_queue_lock, flags); restart: list_for_each_entry(fsp, &si->scsi_pkt_queue, list) { sc_cmd = fsp->cmd; @@ -1001,7 +1005,7 @@ restart: continue; fc_fcp_pkt_hold(fsp); - spin_unlock_irqrestore(lport->host->host_lock, flags); + spin_unlock_irqrestore(&si->scsi_queue_lock, flags); if (!fc_fcp_lock_pkt(fsp)) { fc_fcp_cleanup_cmd(fsp, error); @@ -1010,14 +1014,14 @@ restart: } fc_fcp_pkt_release(fsp); - spin_lock_irqsave(lport->host->host_lock, flags); + spin_lock_irqsave(&si->scsi_queue_lock, flags); /* * while we dropped the lock multiple pkts could * have been released, so we have to start over. */ goto restart; } - spin_unlock_irqrestore(lport->host->host_lock, flags); + spin_unlock_irqrestore(&si->scsi_queue_lock, flags); } /** @@ -1035,11 +1039,12 @@ static void fc_fcp_abort_io(struct fc_lport *lport) * @fsp: The FCP packet to send * * Return: Zero for success and -1 for failure - * Locks: Called with the host lock and irqs disabled. + * Locks: Called without locks held */ static int fc_fcp_pkt_send(struct fc_lport *lport, struct fc_fcp_pkt *fsp) { struct fc_fcp_internal *si = fc_get_scsi_internal(lport); + unsigned long flags; int rc; fsp->cmd->SCp.ptr = (char *)fsp; @@ -1049,13 +1054,16 @@ static int fc_fcp_pkt_send(struct fc_lport *lport, struct fc_fcp_pkt *fsp) int_to_scsilun(fsp->cmd->device->lun, (struct scsi_lun *)fsp->cdb_cmd.fc_lun); memcpy(fsp->cdb_cmd.fc_cdb, fsp->cmd->cmnd, fsp->cmd->cmd_len); - list_add_tail(&fsp->list, &si->scsi_pkt_queue); - spin_unlock_irq(lport->host->host_lock); + spin_lock_irqsave(&si->scsi_queue_lock, flags); + list_add_tail(&fsp->list, &si->scsi_pkt_queue); + spin_unlock_irqrestore(&si->scsi_queue_lock, flags); rc = lport->tt.fcp_cmd_send(lport, fsp, fc_fcp_recv); - spin_lock_irq(lport->host->host_lock); - if (rc) + if (unlikely(rc)) { + spin_lock_irqsave(&si->scsi_queue_lock, flags); list_del(&fsp->list); + spin_unlock_irqrestore(&si->scsi_queue_lock, flags); + } return rc; } @@ -1752,6 +1760,7 @@ int fc_queuecommand(struct scsi_cmnd *sc_cmd, void (*done)(struct scsi_cmnd *)) struct fcoe_dev_stats *stats; lport = shost_priv(sc_cmd->device->host); + spin_unlock_irq(lport->host->host_lock); rval = fc_remote_port_chkready(rport); if (rval) { @@ -1834,6 +1843,7 @@ int fc_queuecommand(struct scsi_cmnd *sc_cmd, void (*done)(struct scsi_cmnd *)) rc = SCSI_MLQUEUE_HOST_BUSY; } out: + spin_lock_irq(lport->host->host_lock); return rc; } EXPORT_SYMBOL(fc_queuecommand); @@ -1864,11 +1874,8 @@ static void fc_io_compl(struct fc_fcp_pkt *fsp) lport = fsp->lp; si = fc_get_scsi_internal(lport); - spin_lock_irqsave(lport->host->host_lock, flags); - if (!fsp->cmd) { - spin_unlock_irqrestore(lport->host->host_lock, flags); + if (!fsp->cmd) return; - } /* * if can_queue ramp down is done then try can_queue ramp up @@ -1880,10 +1887,8 @@ static void fc_io_compl(struct fc_fcp_pkt *fsp) sc_cmd = fsp->cmd; fsp->cmd = NULL; - if (!sc_cmd->SCp.ptr) { - spin_unlock_irqrestore(lport->host->host_lock, flags); + if (!sc_cmd->SCp.ptr) return; - } CMD_SCSI_STATUS(sc_cmd) = fsp->cdb_status; switch (fsp->status_code) { @@ -1945,10 +1950,11 @@ static void fc_io_compl(struct fc_fcp_pkt *fsp) break; } + spin_lock_irqsave(&si->scsi_queue_lock, flags); list_del(&fsp->list); + spin_unlock_irqrestore(&si->scsi_queue_lock, flags); sc_cmd->SCp.ptr = NULL; sc_cmd->scsi_done(sc_cmd); - spin_unlock_irqrestore(lport->host->host_lock, flags); /* release ref from initial allocation in queue command */ fc_fcp_pkt_release(fsp); @@ -2216,6 +2222,7 @@ int fc_fcp_init(struct fc_lport *lport) lport->scsi_priv = si; si->max_can_queue = lport->host->can_queue; INIT_LIST_HEAD(&si->scsi_pkt_queue); + spin_lock_init(&si->scsi_queue_lock); si->scsi_pkt_pool = mempool_create_slab_pool(2, scsi_pkt_cachep); if (!si->scsi_pkt_pool) { diff --git a/drivers/scsi/libfc/fc_lport.c b/drivers/scsi/libfc/fc_lport.c index 74338c83ad0..0b165024a21 100644 --- a/drivers/scsi/libfc/fc_lport.c +++ b/drivers/scsi/libfc/fc_lport.c @@ -537,7 +537,9 @@ int fc_fabric_login(struct fc_lport *lport) int rc = -1; mutex_lock(&lport->lp_mutex); - if (lport->state == LPORT_ST_DISABLED) { + if (lport->state == LPORT_ST_DISABLED || + lport->state == LPORT_ST_LOGO) { + fc_lport_state_enter(lport, LPORT_ST_RESET); fc_lport_enter_reset(lport); rc = 0; } @@ -967,6 +969,9 @@ static void fc_lport_enter_reset(struct fc_lport *lport) FC_LPORT_DBG(lport, "Entered RESET state from %s state\n", fc_lport_state(lport)); + if (lport->state == LPORT_ST_DISABLED || lport->state == LPORT_ST_LOGO) + return; + if (lport->vport) { if (lport->link_up) fc_vport_set_state(lport->vport, FC_VPORT_INITIALIZING); diff --git a/drivers/scsi/libfc/fc_rport.c b/drivers/scsi/libfc/fc_rport.c index 35ca0e72df4..02300523b23 100644 --- a/drivers/scsi/libfc/fc_rport.c +++ b/drivers/scsi/libfc/fc_rport.c @@ -310,6 +310,7 @@ static void fc_rport_work(struct work_struct *work) restart = 1; else list_del(&rdata->peers); + rdata->event = RPORT_EV_NONE; mutex_unlock(&rdata->rp_mutex); mutex_unlock(&lport->disc.disc_mutex); } diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c index 226920d15ea..d4da6bdd0e7 100644 --- a/drivers/scsi/lpfc/lpfc_init.c +++ b/drivers/scsi/lpfc/lpfc_init.c @@ -4506,9 +4506,13 @@ lpfc_sli_pci_mem_setup(struct lpfc_hba *phba) pdev = phba->pcidev; /* Set the device DMA mask size */ - if (pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) != 0) - if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0) + if (pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) != 0 + || pci_set_consistent_dma_mask(pdev,DMA_BIT_MASK(64)) != 0) { + if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0 + || pci_set_consistent_dma_mask(pdev,DMA_BIT_MASK(32)) != 0) { return error; + } + } /* Get the bus address of Bar0 and Bar2 and the number of bytes * required by each mapping. @@ -6021,9 +6025,13 @@ lpfc_sli4_pci_mem_setup(struct lpfc_hba *phba) pdev = phba->pcidev; /* Set the device DMA mask size */ - if (pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) != 0) - if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0) + if (pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) != 0 + || pci_set_consistent_dma_mask(pdev,DMA_BIT_MASK(64)) != 0) { + if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0 + || pci_set_consistent_dma_mask(pdev,DMA_BIT_MASK(32)) != 0) { return error; + } + } /* Get the bus address of SLI4 device Bar0, Bar1, and Bar2 and the * number of bytes required by each mapping. They are actually diff --git a/drivers/scsi/megaraid/megaraid_sas.c b/drivers/scsi/megaraid/megaraid_sas.c index 134c63ef6d3..99ff99e45be 100644 --- a/drivers/scsi/megaraid/megaraid_sas.c +++ b/drivers/scsi/megaraid/megaraid_sas.c @@ -2501,7 +2501,9 @@ static int megasas_init_mfi(struct megasas_instance *instance) instance->base_addr = pci_resource_start(instance->pdev, 0); } - if (pci_request_regions(instance->pdev, "megasas: LSI")) { + if (pci_request_selected_regions(instance->pdev, + pci_select_bars(instance->pdev, IORESOURCE_MEM), + "megasas: LSI")) { printk(KERN_DEBUG "megasas: IO memory region busy!\n"); return -EBUSY; } @@ -2642,7 +2644,8 @@ static int megasas_init_mfi(struct megasas_instance *instance) iounmap(instance->reg_set); fail_ioremap: - pci_release_regions(instance->pdev); + pci_release_selected_regions(instance->pdev, + pci_select_bars(instance->pdev, IORESOURCE_MEM)); return -EINVAL; } @@ -2662,7 +2665,8 @@ static void megasas_release_mfi(struct megasas_instance *instance) iounmap(instance->reg_set); - pci_release_regions(instance->pdev); + pci_release_selected_regions(instance->pdev, + pci_select_bars(instance->pdev, IORESOURCE_MEM)); } /** @@ -2971,7 +2975,7 @@ megasas_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) /* * PCI prepping: enable device set bus mastering and dma mask */ - rval = pci_enable_device(pdev); + rval = pci_enable_device_mem(pdev); if (rval) { return rval; @@ -3276,7 +3280,7 @@ megasas_resume(struct pci_dev *pdev) /* * PCI prepping: enable device set bus mastering and dma mask */ - rval = pci_enable_device(pdev); + rval = pci_enable_device_mem(pdev); if (rval) { printk(KERN_ERR "megasas: Enable device failed\n"); diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.c b/drivers/scsi/mpt2sas/mpt2sas_base.c index 6422e258fd5..89d02401b9e 100644 --- a/drivers/scsi/mpt2sas/mpt2sas_base.c +++ b/drivers/scsi/mpt2sas/mpt2sas_base.c @@ -3583,6 +3583,11 @@ mpt2sas_base_attach(struct MPT2SAS_ADAPTER *ioc) ioc->transport_cmds.status = MPT2_CMD_NOT_USED; mutex_init(&ioc->transport_cmds.mutex); + /* scsih internal command bits */ + ioc->scsih_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL); + ioc->scsih_cmds.status = MPT2_CMD_NOT_USED; + mutex_init(&ioc->scsih_cmds.mutex); + /* task management internal command bits */ ioc->tm_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL); ioc->tm_cmds.status = MPT2_CMD_NOT_USED; diff --git a/drivers/scsi/mvsas/mv_init.c b/drivers/scsi/mvsas/mv_init.c index c790d45876c..cae6b2cf492 100644 --- a/drivers/scsi/mvsas/mv_init.c +++ b/drivers/scsi/mvsas/mv_init.c @@ -657,6 +657,7 @@ static struct pci_device_id __devinitdata mvs_pci_table[] = { { PCI_VDEVICE(MARVELL, 0x9180), chip_9180 }, { PCI_VDEVICE(ARECA, PCI_DEVICE_ID_ARECA_1300), chip_1300 }, { PCI_VDEVICE(ARECA, PCI_DEVICE_ID_ARECA_1320), chip_1320 }, + { PCI_VDEVICE(ADAPTEC2, 0x0450), chip_6440 }, { } /* terminate list */ }; diff --git a/drivers/scsi/osd/osd_initiator.c b/drivers/scsi/osd/osd_initiator.c index 950202a70bc..24223473f57 100644 --- a/drivers/scsi/osd/osd_initiator.c +++ b/drivers/scsi/osd/osd_initiator.c @@ -432,30 +432,23 @@ static void _osd_free_seg(struct osd_request *or __unused, seg->alloc_size = 0; } -static void _put_request(struct request *rq , bool is_async) +static void _put_request(struct request *rq) { - if (is_async) { - WARN_ON(rq->bio); - __blk_put_request(rq->q, rq); - } else { - /* - * If osd_finalize_request() was called but the request was not - * executed through the block layer, then we must release BIOs. - * TODO: Keep error code in or->async_error. Need to audit all - * code paths. - */ - if (unlikely(rq->bio)) - blk_end_request(rq, -ENOMEM, blk_rq_bytes(rq)); - else - blk_put_request(rq); - } + /* + * If osd_finalize_request() was called but the request was not + * executed through the block layer, then we must release BIOs. + * TODO: Keep error code in or->async_error. Need to audit all + * code paths. + */ + if (unlikely(rq->bio)) + blk_end_request(rq, -ENOMEM, blk_rq_bytes(rq)); + else + blk_put_request(rq); } void osd_end_request(struct osd_request *or) { struct request *rq = or->request; - /* IMPORTANT: make sure this agrees with osd_execute_request_async */ - bool is_async = (or->request->end_io_data == or); _osd_free_seg(or, &or->set_attr); _osd_free_seg(or, &or->enc_get_attr); @@ -463,20 +456,34 @@ void osd_end_request(struct osd_request *or) if (rq) { if (rq->next_rq) { - _put_request(rq->next_rq, is_async); + _put_request(rq->next_rq); rq->next_rq = NULL; } - _put_request(rq, is_async); + _put_request(rq); } _osd_request_free(or); } EXPORT_SYMBOL(osd_end_request); +static void _set_error_resid(struct osd_request *or, struct request *req, + int error) +{ + or->async_error = error; + or->req_errors = req->errors ? : error; + or->sense_len = req->sense_len; + if (or->out.req) + or->out.residual = or->out.req->resid_len; + if (or->in.req) + or->in.residual = or->in.req->resid_len; +} + int osd_execute_request(struct osd_request *or) { - return or->async_error = - blk_execute_rq(or->request->q, NULL, or->request, 0); + int error = blk_execute_rq(or->request->q, NULL, or->request, 0); + + _set_error_resid(or, or->request, error); + return error; } EXPORT_SYMBOL(osd_execute_request); @@ -484,15 +491,17 @@ static void osd_request_async_done(struct request *req, int error) { struct osd_request *or = req->end_io_data; - or->async_error = error; - - if (unlikely(error)) { - OSD_DEBUG("osd_request_async_done error recieved %d " - "errors 0x%x\n", error, req->errors); - if (!req->errors) /* don't miss out on this one */ - req->errors = error; + _set_error_resid(or, req, error); + if (req->next_rq) { + __blk_put_request(req->q, req->next_rq); + req->next_rq = NULL; } + __blk_put_request(req->q, req); + or->request = NULL; + or->in.req = NULL; + or->out.req = NULL; + if (or->async_done) or->async_done(or, or->async_private); else @@ -1489,21 +1498,18 @@ int osd_req_decode_sense_full(struct osd_request *or, #endif int ret; - if (likely(!or->request->errors)) { - osi->out_resid = 0; - osi->in_resid = 0; + if (likely(!or->req_errors)) return 0; - } osi = osi ? : &local_osi; memset(osi, 0, sizeof(*osi)); - ssdb = or->request->sense; - sense_len = or->request->sense_len; + ssdb = (typeof(ssdb))or->sense; + sense_len = or->sense_len; if ((sense_len < (int)sizeof(*ssdb) || !ssdb->sense_key)) { OSD_ERR("Block-layer returned error(0x%x) but " "sense_len(%u) || key(%d) is empty\n", - or->request->errors, sense_len, ssdb->sense_key); + or->req_errors, sense_len, ssdb->sense_key); goto analyze; } @@ -1525,7 +1531,7 @@ int osd_req_decode_sense_full(struct osd_request *or, "additional_code=0x%x async_error=%d errors=0x%x\n", osi->key, original_sense_len, sense_len, osi->additional_code, or->async_error, - or->request->errors); + or->req_errors); if (original_sense_len < sense_len) sense_len = original_sense_len; @@ -1695,10 +1701,10 @@ analyze: ret = -EIO; } - if (or->out.req) - osi->out_resid = or->out.req->resid_len ?: or->out.total_bytes; - if (or->in.req) - osi->in_resid = or->in.req->resid_len ?: or->in.total_bytes; + if (!or->out.residual) + or->out.residual = or->out.total_bytes; + if (!or->in.residual) + or->in.residual = or->in.total_bytes; return ret; } diff --git a/drivers/scsi/pm8001/pm8001_ctl.h b/drivers/scsi/pm8001/pm8001_ctl.h index 22644de2639..63ad4aa0c42 100644 --- a/drivers/scsi/pm8001/pm8001_ctl.h +++ b/drivers/scsi/pm8001/pm8001_ctl.h @@ -45,16 +45,6 @@ #define HEADER_LEN 28 #define SIZE_OFFSET 16 -struct pm8001_ioctl_payload { - u32 signature; - u16 major_function; - u16 minor_function; - u16 length; - u16 status; - u16 offset; - u16 id; - u8 func_specific[1]; -}; #define FLASH_OK 0x000000 #define FAIL_OPEN_BIOS_FILE 0x000100 diff --git a/drivers/scsi/pm8001/pm8001_hwi.c b/drivers/scsi/pm8001/pm8001_hwi.c index a3de306b904..9b44c6f1b10 100644 --- a/drivers/scsi/pm8001/pm8001_hwi.c +++ b/drivers/scsi/pm8001/pm8001_hwi.c @@ -373,10 +373,7 @@ static int bar4_shift(struct pm8001_hba_info *pm8001_ha, u32 shiftValue) static void __devinit mpi_set_phys_g3_with_ssc(struct pm8001_hba_info *pm8001_ha, u32 SSCbit) { - u32 offset; - u32 value; - u32 i, j; - u32 bit_cnt; + u32 value, offset, i; #define SAS2_SETTINGS_LOCAL_PHY_0_3_SHIFT_ADDR 0x00030000 #define SAS2_SETTINGS_LOCAL_PHY_4_7_SHIFT_ADDR 0x00040000 @@ -392,55 +389,35 @@ mpi_set_phys_g3_with_ssc(struct pm8001_hba_info *pm8001_ha, u32 SSCbit) */ if (-1 == bar4_shift(pm8001_ha, SAS2_SETTINGS_LOCAL_PHY_0_3_SHIFT_ADDR)) return; - /* set SSC bit of PHY 0 - 3 */ + for (i = 0; i < 4; i++) { offset = SAS2_SETTINGS_LOCAL_PHY_0_3_OFFSET + 0x4000 * i; - value = pm8001_cr32(pm8001_ha, 2, offset); - if (SSCbit) { - value |= 0x00000001 << PHY_G3_WITH_SSC_BIT_SHIFT; - value &= ~(0x00000001 << PHY_G3_WITHOUT_SSC_BIT_SHIFT); - } else { - value |= 0x00000001 << PHY_G3_WITHOUT_SSC_BIT_SHIFT; - value &= ~(0x00000001 << PHY_G3_WITH_SSC_BIT_SHIFT); - } - bit_cnt = 0; - for (j = 0; j < 31; j++) - if ((value >> j) & 0x00000001) - bit_cnt++; - if (bit_cnt % 2) - value &= ~(0x00000001 << SNW3_PHY_CAPABILITIES_PARITY); - else - value |= 0x00000001 << SNW3_PHY_CAPABILITIES_PARITY; - - pm8001_cw32(pm8001_ha, 2, offset, value); + pm8001_cw32(pm8001_ha, 2, offset, 0x80001501); } - /* shift membase 3 for SAS2_SETTINGS_LOCAL_PHY 4 - 7 */ if (-1 == bar4_shift(pm8001_ha, SAS2_SETTINGS_LOCAL_PHY_4_7_SHIFT_ADDR)) return; - - /* set SSC bit of PHY 4 - 7 */ for (i = 4; i < 8; i++) { offset = SAS2_SETTINGS_LOCAL_PHY_4_7_OFFSET + 0x4000 * (i-4); - value = pm8001_cr32(pm8001_ha, 2, offset); - if (SSCbit) { - value |= 0x00000001 << PHY_G3_WITH_SSC_BIT_SHIFT; - value &= ~(0x00000001 << PHY_G3_WITHOUT_SSC_BIT_SHIFT); - } else { - value |= 0x00000001 << PHY_G3_WITHOUT_SSC_BIT_SHIFT; - value &= ~(0x00000001 << PHY_G3_WITH_SSC_BIT_SHIFT); - } - bit_cnt = 0; - for (j = 0; j < 31; j++) - if ((value >> j) & 0x00000001) - bit_cnt++; - if (bit_cnt % 2) - value &= ~(0x00000001 << SNW3_PHY_CAPABILITIES_PARITY); - else - value |= 0x00000001 << SNW3_PHY_CAPABILITIES_PARITY; - - pm8001_cw32(pm8001_ha, 2, offset, value); + pm8001_cw32(pm8001_ha, 2, offset, 0x80001501); } + /************************************************************* + Change the SSC upspreading value to 0x0 so that upspreading is disabled. + Device MABC SMOD0 Controls + Address: (via MEMBASE-III): + Using shifted destination address 0x0_0000: with Offset 0xD8 + + 31:28 R/W Reserved Do not change + 27:24 R/W SAS_SMOD_SPRDUP 0000 + 23:20 R/W SAS_SMOD_SPRDDN 0000 + 19:0 R/W Reserved Do not change + Upon power-up this register will read as 0x8990c016, + and I would like you to change the SAS_SMOD_SPRDUP bits to 0b0000 + so that the written value will be 0x8090c016. + This will ensure only down-spreading SSC is enabled on the SPC. + *************************************************************/ + value = pm8001_cr32(pm8001_ha, 2, 0xd8); + pm8001_cw32(pm8001_ha, 2, 0xd8, 0x8000C016); /*set the shifted destination address to 0x0 to avoid error operation */ bar4_shift(pm8001_ha, 0x0); @@ -1901,7 +1878,7 @@ mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, void *piomb) { struct sas_task *t; struct pm8001_ccb_info *ccb; - unsigned long flags; + unsigned long flags = 0; u32 param; u32 status; u32 tag; @@ -2040,7 +2017,9 @@ mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, void *piomb) ts->stat = SAS_QUEUE_FULL; pm8001_ccb_task_free(pm8001_ha, t, ccb, tag); mb();/*in order to force CPU ordering*/ + spin_unlock_irqrestore(&pm8001_ha->lock, flags); t->task_done(t); + spin_lock_irqsave(&pm8001_ha->lock, flags); return; } break; @@ -2058,7 +2037,9 @@ mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, void *piomb) ts->stat = SAS_QUEUE_FULL; pm8001_ccb_task_free(pm8001_ha, t, ccb, tag); mb();/*ditto*/ + spin_unlock_irqrestore(&pm8001_ha->lock, flags); t->task_done(t); + spin_lock_irqsave(&pm8001_ha->lock, flags); return; } break; @@ -2084,7 +2065,9 @@ mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, void *piomb) ts->stat = SAS_QUEUE_FULL; pm8001_ccb_task_free(pm8001_ha, t, ccb, tag); mb();/* ditto*/ + spin_unlock_irqrestore(&pm8001_ha->lock, flags); t->task_done(t); + spin_lock_irqsave(&pm8001_ha->lock, flags); return; } break; @@ -2149,7 +2132,9 @@ mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, void *piomb) ts->stat = SAS_QUEUE_FULL; pm8001_ccb_task_free(pm8001_ha, t, ccb, tag); mb();/*ditto*/ + spin_unlock_irqrestore(&pm8001_ha->lock, flags); t->task_done(t); + spin_lock_irqsave(&pm8001_ha->lock, flags); return; } break; @@ -2171,7 +2156,9 @@ mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, void *piomb) ts->stat = SAS_QUEUE_FULL; pm8001_ccb_task_free(pm8001_ha, t, ccb, tag); mb();/*ditto*/ + spin_unlock_irqrestore(&pm8001_ha->lock, flags); t->task_done(t); + spin_lock_irqsave(&pm8001_ha->lock, flags); return; } break; @@ -2200,11 +2187,20 @@ mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, void *piomb) " resp 0x%x stat 0x%x but aborted by upper layer!\n", t, status, ts->resp, ts->stat)); pm8001_ccb_task_free(pm8001_ha, t, ccb, tag); - } else { + } else if (t->uldd_task) { spin_unlock_irqrestore(&t->task_state_lock, flags); pm8001_ccb_task_free(pm8001_ha, t, ccb, tag); mb();/* ditto */ + spin_unlock_irqrestore(&pm8001_ha->lock, flags); t->task_done(t); + spin_lock_irqsave(&pm8001_ha->lock, flags); + } else if (!t->uldd_task) { + spin_unlock_irqrestore(&t->task_state_lock, flags); + pm8001_ccb_task_free(pm8001_ha, t, ccb, tag); + mb();/*ditto*/ + spin_unlock_irqrestore(&pm8001_ha->lock, flags); + t->task_done(t); + spin_lock_irqsave(&pm8001_ha->lock, flags); } } @@ -2212,7 +2208,7 @@ mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, void *piomb) static void mpi_sata_event(struct pm8001_hba_info *pm8001_ha , void *piomb) { struct sas_task *t; - unsigned long flags; + unsigned long flags = 0; struct task_status_struct *ts; struct pm8001_ccb_info *ccb; struct pm8001_device *pm8001_dev; @@ -2292,7 +2288,9 @@ static void mpi_sata_event(struct pm8001_hba_info *pm8001_ha , void *piomb) ts->stat = SAS_QUEUE_FULL; pm8001_ccb_task_free(pm8001_ha, t, ccb, tag); mb();/*ditto*/ + spin_unlock_irqrestore(&pm8001_ha->lock, flags); t->task_done(t); + spin_lock_irqsave(&pm8001_ha->lock, flags); return; } break; @@ -2401,11 +2399,20 @@ static void mpi_sata_event(struct pm8001_hba_info *pm8001_ha , void *piomb) " resp 0x%x stat 0x%x but aborted by upper layer!\n", t, event, ts->resp, ts->stat)); pm8001_ccb_task_free(pm8001_ha, t, ccb, tag); - } else { + } else if (t->uldd_task) { spin_unlock_irqrestore(&t->task_state_lock, flags); pm8001_ccb_task_free(pm8001_ha, t, ccb, tag); - mb();/* in order to force CPU ordering */ + mb();/* ditto */ + spin_unlock_irqrestore(&pm8001_ha->lock, flags); t->task_done(t); + spin_lock_irqsave(&pm8001_ha->lock, flags); + } else if (!t->uldd_task) { + spin_unlock_irqrestore(&t->task_state_lock, flags); + pm8001_ccb_task_free(pm8001_ha, t, ccb, tag); + mb();/*ditto*/ + spin_unlock_irqrestore(&pm8001_ha->lock, flags); + t->task_done(t); + spin_lock_irqsave(&pm8001_ha->lock, flags); } } @@ -2876,15 +2883,20 @@ hw_event_sas_phy_up(struct pm8001_hba_info *pm8001_ha, void *piomb) le32_to_cpu(pPayload->lr_evt_status_phyid_portid); u8 link_rate = (u8)((lr_evt_status_phyid_portid & 0xF0000000) >> 28); + u8 port_id = (u8)(lr_evt_status_phyid_portid & 0x0000000F); u8 phy_id = (u8)((lr_evt_status_phyid_portid & 0x000000F0) >> 4); + u32 npip_portstate = le32_to_cpu(pPayload->npip_portstate); + u8 portstate = (u8)(npip_portstate & 0x0000000F); + struct pm8001_port *port = &pm8001_ha->port[port_id]; struct sas_ha_struct *sas_ha = pm8001_ha->sas; struct pm8001_phy *phy = &pm8001_ha->phy[phy_id]; unsigned long flags; u8 deviceType = pPayload->sas_identify.dev_type; - + port->port_state = portstate; PM8001_MSG_DBG(pm8001_ha, - pm8001_printk("HW_EVENT_SAS_PHY_UP \n")); + pm8001_printk("HW_EVENT_SAS_PHY_UP port id = %d, phy id = %d\n", + port_id, phy_id)); switch (deviceType) { case SAS_PHY_UNUSED: @@ -2895,16 +2907,19 @@ hw_event_sas_phy_up(struct pm8001_hba_info *pm8001_ha, void *piomb) PM8001_MSG_DBG(pm8001_ha, pm8001_printk("end device.\n")); pm8001_chip_phy_ctl_req(pm8001_ha, phy_id, PHY_NOTIFY_ENABLE_SPINUP); + port->port_attached = 1; get_lrate_mode(phy, link_rate); break; case SAS_EDGE_EXPANDER_DEVICE: PM8001_MSG_DBG(pm8001_ha, pm8001_printk("expander device.\n")); + port->port_attached = 1; get_lrate_mode(phy, link_rate); break; case SAS_FANOUT_EXPANDER_DEVICE: PM8001_MSG_DBG(pm8001_ha, pm8001_printk("fanout expander device.\n")); + port->port_attached = 1; get_lrate_mode(phy, link_rate); break; default: @@ -2946,11 +2961,20 @@ hw_event_sata_phy_up(struct pm8001_hba_info *pm8001_ha, void *piomb) le32_to_cpu(pPayload->lr_evt_status_phyid_portid); u8 link_rate = (u8)((lr_evt_status_phyid_portid & 0xF0000000) >> 28); + u8 port_id = (u8)(lr_evt_status_phyid_portid & 0x0000000F); u8 phy_id = (u8)((lr_evt_status_phyid_portid & 0x000000F0) >> 4); + u32 npip_portstate = le32_to_cpu(pPayload->npip_portstate); + u8 portstate = (u8)(npip_portstate & 0x0000000F); + struct pm8001_port *port = &pm8001_ha->port[port_id]; struct sas_ha_struct *sas_ha = pm8001_ha->sas; struct pm8001_phy *phy = &pm8001_ha->phy[phy_id]; unsigned long flags; + PM8001_MSG_DBG(pm8001_ha, + pm8001_printk("HW_EVENT_SATA_PHY_UP port id = %d," + " phy id = %d\n", port_id, phy_id)); + port->port_state = portstate; + port->port_attached = 1; get_lrate_mode(phy, link_rate); phy->phy_type |= PORT_TYPE_SATA; phy->phy_attached = 1; @@ -2984,7 +3008,13 @@ hw_event_phy_down(struct pm8001_hba_info *pm8001_ha, void *piomb) (u8)((lr_evt_status_phyid_portid & 0x000000F0) >> 4); u32 npip_portstate = le32_to_cpu(pPayload->npip_portstate); u8 portstate = (u8)(npip_portstate & 0x0000000F); - + struct pm8001_port *port = &pm8001_ha->port[port_id]; + struct pm8001_phy *phy = &pm8001_ha->phy[phy_id]; + port->port_state = portstate; + phy->phy_type = 0; + phy->identify.device_type = 0; + phy->phy_attached = 0; + memset(&phy->dev_sas_addr, 0, SAS_ADDR_SIZE); switch (portstate) { case PORT_VALID: break; @@ -2993,26 +3023,30 @@ hw_event_phy_down(struct pm8001_hba_info *pm8001_ha, void *piomb) pm8001_printk(" PortInvalid portID %d \n", port_id)); PM8001_MSG_DBG(pm8001_ha, pm8001_printk(" Last phy Down and port invalid\n")); + port->port_attached = 0; pm8001_hw_event_ack_req(pm8001_ha, 0, HW_EVENT_PHY_DOWN, port_id, phy_id, 0, 0); break; case PORT_IN_RESET: PM8001_MSG_DBG(pm8001_ha, - pm8001_printk(" PortInReset portID %d \n", port_id)); + pm8001_printk(" Port In Reset portID %d \n", port_id)); break; case PORT_NOT_ESTABLISHED: PM8001_MSG_DBG(pm8001_ha, pm8001_printk(" phy Down and PORT_NOT_ESTABLISHED\n")); + port->port_attached = 0; break; case PORT_LOSTCOMM: PM8001_MSG_DBG(pm8001_ha, pm8001_printk(" phy Down and PORT_LOSTCOMM\n")); PM8001_MSG_DBG(pm8001_ha, pm8001_printk(" Last phy Down and port invalid\n")); + port->port_attached = 0; pm8001_hw_event_ack_req(pm8001_ha, 0, HW_EVENT_PHY_DOWN, port_id, phy_id, 0, 0); break; default: + port->port_attached = 0; PM8001_MSG_DBG(pm8001_ha, pm8001_printk(" phy Down and(default) = %x\n", portstate)); @@ -3770,7 +3804,8 @@ static int pm8001_chip_ssp_io_req(struct pm8001_hba_info *pm8001_ha, u32 opc = OPC_INB_SSPINIIOSTART; memset(&ssp_cmd, 0, sizeof(ssp_cmd)); memcpy(ssp_cmd.ssp_iu.lun, task->ssp_task.LUN, 8); - ssp_cmd.dir_m_tlr = data_dir_flags[task->data_dir] << 8 | 0x0;/*0 for + ssp_cmd.dir_m_tlr = + cpu_to_le32(data_dir_flags[task->data_dir] << 8 | 0x0);/*0 for SAS 1.1 compatible TLR*/ ssp_cmd.data_len = cpu_to_le32(task->total_xfer_len); ssp_cmd.device_id = cpu_to_le32(pm8001_dev->device_id); @@ -3841,7 +3876,7 @@ static int pm8001_chip_sata_req(struct pm8001_hba_info *pm8001_ha, } } if (task->ata_task.use_ncq && pm8001_get_ncq_tag(task, &hdr_tag)) - ncg_tag = cpu_to_le32(hdr_tag); + ncg_tag = hdr_tag; dir = data_dir_flags[task->data_dir] << 8; sata_cmd.tag = cpu_to_le32(tag); sata_cmd.device_id = cpu_to_le32(pm8001_ha_dev->device_id); @@ -3986,7 +4021,7 @@ static int pm8001_chip_reg_dev_req(struct pm8001_hba_info *pm8001_ha, ((stp_sspsmp_sata & 0x03) * 0x10000000)); payload.firstburstsize_ITNexustimeout = cpu_to_le32(ITNT | (firstBurstSize * 0x10000)); - memcpy(&payload.sas_addr_hi, pm8001_dev->sas_device->sas_addr, + memcpy(payload.sas_addr, pm8001_dev->sas_device->sas_addr, SAS_ADDR_SIZE); rc = mpi_build_cmd(pm8001_ha, circularQ, opc, &payload); return rc; @@ -4027,7 +4062,7 @@ static int pm8001_chip_phy_ctl_req(struct pm8001_hba_info *pm8001_ha, struct inbound_queue_table *circularQ; int ret; u32 opc = OPC_INB_LOCAL_PHY_CONTROL; - memset((u8 *)&payload, 0, sizeof(payload)); + memset(&payload, 0, sizeof(payload)); circularQ = &pm8001_ha->inbnd_q_tbl[0]; payload.tag = 1; payload.phyop_phyid = diff --git a/drivers/scsi/pm8001/pm8001_hwi.h b/drivers/scsi/pm8001/pm8001_hwi.h index 96e4daa68b8..833a5201eda 100644 --- a/drivers/scsi/pm8001/pm8001_hwi.h +++ b/drivers/scsi/pm8001/pm8001_hwi.h @@ -242,8 +242,7 @@ struct reg_dev_req { __le32 phyid_portid; __le32 dtype_dlr_retry; __le32 firstburstsize_ITNexustimeout; - u32 sas_addr_hi; - u32 sas_addr_low; + u8 sas_addr[SAS_ADDR_SIZE]; __le32 upper_device_id; u32 reserved[8]; } __attribute__((packed, aligned(4))); diff --git a/drivers/scsi/pm8001/pm8001_init.c b/drivers/scsi/pm8001/pm8001_init.c index 42ebe725d5a..c2f1032496c 100644 --- a/drivers/scsi/pm8001/pm8001_init.c +++ b/drivers/scsi/pm8001/pm8001_init.c @@ -200,8 +200,13 @@ static int __devinit pm8001_alloc(struct pm8001_hba_info *pm8001_ha) { int i; spin_lock_init(&pm8001_ha->lock); - for (i = 0; i < pm8001_ha->chip->n_phy; i++) + for (i = 0; i < pm8001_ha->chip->n_phy; i++) { pm8001_phy_init(pm8001_ha, i); + pm8001_ha->port[i].wide_port_phymap = 0; + pm8001_ha->port[i].port_attached = 0; + pm8001_ha->port[i].port_state = 0; + INIT_LIST_HEAD(&pm8001_ha->port[i].list); + } pm8001_ha->tags = kzalloc(PM8001_MAX_CCB, GFP_KERNEL); if (!pm8001_ha->tags) @@ -511,19 +516,23 @@ static void pm8001_init_sas_add(struct pm8001_hba_info *pm8001_ha) u8 i; #ifdef PM8001_READ_VPD DECLARE_COMPLETION_ONSTACK(completion); + struct pm8001_ioctl_payload payload; pm8001_ha->nvmd_completion = &completion; - PM8001_CHIP_DISP->get_nvmd_req(pm8001_ha, 0, 0); + payload.minor_function = 0; + payload.length = 128; + payload.func_specific = kzalloc(128, GFP_KERNEL); + PM8001_CHIP_DISP->get_nvmd_req(pm8001_ha, &payload); wait_for_completion(&completion); for (i = 0; i < pm8001_ha->chip->n_phy; i++) { memcpy(&pm8001_ha->phy[i].dev_sas_addr, pm8001_ha->sas_addr, SAS_ADDR_SIZE); PM8001_INIT_DBG(pm8001_ha, - pm8001_printk("phy %d sas_addr = %x \n", i, - (u64)pm8001_ha->phy[i].dev_sas_addr)); + pm8001_printk("phy %d sas_addr = %016llx \n", i, + pm8001_ha->phy[i].dev_sas_addr)); } #else for (i = 0; i < pm8001_ha->chip->n_phy; i++) { - pm8001_ha->phy[i].dev_sas_addr = 0x500e004010000004ULL; + pm8001_ha->phy[i].dev_sas_addr = 0x50010c600047f9d0ULL; pm8001_ha->phy[i].dev_sas_addr = cpu_to_be64((u64) (*(u64 *)&pm8001_ha->phy[i].dev_sas_addr)); diff --git a/drivers/scsi/pm8001/pm8001_sas.c b/drivers/scsi/pm8001/pm8001_sas.c index 1f767a0e727..7f9c83a7639 100644 --- a/drivers/scsi/pm8001/pm8001_sas.c +++ b/drivers/scsi/pm8001/pm8001_sas.c @@ -329,6 +329,23 @@ int pm8001_slave_configure(struct scsi_device *sdev) } return 0; } + /* Find the local port id that's attached to this device */ +static int sas_find_local_port_id(struct domain_device *dev) +{ + struct domain_device *pdev = dev->parent; + + /* Directly attached device */ + if (!pdev) + return dev->port->id; + while (pdev) { + struct domain_device *pdev_p = pdev->parent; + if (!pdev_p) + return pdev->port->id; + pdev = pdev->parent; + } + return 0; +} + /** * pm8001_task_exec - queue the task(ssp, smp && ata) to the hardware. * @task: the task to be execute. @@ -346,11 +363,12 @@ static int pm8001_task_exec(struct sas_task *task, const int num, struct domain_device *dev = task->dev; struct pm8001_hba_info *pm8001_ha; struct pm8001_device *pm8001_dev; + struct pm8001_port *port = NULL; struct sas_task *t = task; struct pm8001_ccb_info *ccb; u32 tag = 0xdeadbeef, rc, n_elem = 0; u32 n = num; - unsigned long flags = 0; + unsigned long flags = 0, flags_libsas = 0; if (!dev->port) { struct task_status_struct *tsm = &t->task_status; @@ -379,6 +397,35 @@ static int pm8001_task_exec(struct sas_task *task, const int num, rc = SAS_PHY_DOWN; goto out_done; } + port = &pm8001_ha->port[sas_find_local_port_id(dev)]; + if (!port->port_attached) { + if (sas_protocol_ata(t->task_proto)) { + struct task_status_struct *ts = &t->task_status; + ts->resp = SAS_TASK_UNDELIVERED; + ts->stat = SAS_PHY_DOWN; + + spin_unlock_irqrestore(&pm8001_ha->lock, flags); + spin_unlock_irqrestore(dev->sata_dev.ap->lock, + flags_libsas); + t->task_done(t); + spin_lock_irqsave(dev->sata_dev.ap->lock, + flags_libsas); + spin_lock_irqsave(&pm8001_ha->lock, flags); + if (n > 1) + t = list_entry(t->list.next, + struct sas_task, list); + continue; + } else { + struct task_status_struct *ts = &t->task_status; + ts->resp = SAS_TASK_UNDELIVERED; + ts->stat = SAS_PHY_DOWN; + t->task_done(t); + if (n > 1) + t = list_entry(t->list.next, + struct sas_task, list); + continue; + } + } rc = pm8001_tag_alloc(pm8001_ha, &tag); if (rc) goto err_out; @@ -569,11 +616,11 @@ static int pm8001_dev_found_notify(struct domain_device *dev) spin_lock_irqsave(&pm8001_ha->lock, flags); pm8001_device = pm8001_alloc_dev(pm8001_ha); - pm8001_device->sas_device = dev; if (!pm8001_device) { res = -1; goto found_out; } + pm8001_device->sas_device = dev; dev->lldd_dev = pm8001_device; pm8001_device->dev_type = dev->dev_type; pm8001_device->dcompletion = &completion; @@ -609,7 +656,7 @@ static int pm8001_dev_found_notify(struct domain_device *dev) wait_for_completion(&completion); if (dev->dev_type == SAS_END_DEV) msleep(50); - pm8001_ha->flags = PM8001F_RUN_TIME ; + pm8001_ha->flags |= PM8001F_RUN_TIME ; return 0; found_out: spin_unlock_irqrestore(&pm8001_ha->lock, flags); @@ -772,7 +819,7 @@ pm8001_exec_internal_task_abort(struct pm8001_hba_info *pm8001_ha, task->task_done = pm8001_task_done; task->timer.data = (unsigned long)task; task->timer.function = pm8001_tmf_timedout; - task->timer.expires = jiffies + PM8001_TASK_TIMEOUT*HZ; + task->timer.expires = jiffies + PM8001_TASK_TIMEOUT * HZ; add_timer(&task->timer); res = pm8001_tag_alloc(pm8001_ha, &ccb_tag); @@ -897,6 +944,8 @@ int pm8001_I_T_nexus_reset(struct domain_device *dev) if (dev_is_sata(dev)) { DECLARE_COMPLETION_ONSTACK(completion_setstate); + if (scsi_is_sas_phy_local(phy)) + return 0; rc = sas_phy_reset(phy, 1); msleep(2000); rc = pm8001_exec_internal_task_abort(pm8001_ha, pm8001_dev , diff --git a/drivers/scsi/pm8001/pm8001_sas.h b/drivers/scsi/pm8001/pm8001_sas.h index 30f2ede55a7..8e38ca8cd10 100644 --- a/drivers/scsi/pm8001/pm8001_sas.h +++ b/drivers/scsi/pm8001/pm8001_sas.h @@ -59,11 +59,11 @@ #define DRV_NAME "pm8001" #define DRV_VERSION "0.1.36" -#define PM8001_FAIL_LOGGING 0x01 /* libsas EH function logging */ +#define PM8001_FAIL_LOGGING 0x01 /* Error message logging */ #define PM8001_INIT_LOGGING 0x02 /* driver init logging */ #define PM8001_DISC_LOGGING 0x04 /* discovery layer logging */ #define PM8001_IO_LOGGING 0x08 /* I/O path logging */ -#define PM8001_EH_LOGGING 0x10 /* Error message logging */ +#define PM8001_EH_LOGGING 0x10 /* libsas EH function logging*/ #define PM8001_IOCTL_LOGGING 0x20 /* IOCTL message logging */ #define PM8001_MSG_LOGGING 0x40 /* misc message logging */ #define pm8001_printk(format, arg...) printk(KERN_INFO "%s %d:" format,\ @@ -100,6 +100,7 @@ do { \ #define PM8001_USE_TASKLET #define PM8001_USE_MSIX +#define PM8001_READ_VPD #define DEV_IS_EXPANDER(type) ((type == EDGE_DEV) || (type == FANOUT_DEV)) @@ -111,7 +112,22 @@ extern const struct pm8001_dispatch pm8001_8001_dispatch; struct pm8001_hba_info; struct pm8001_ccb_info; struct pm8001_device; -struct pm8001_tmf_task; +/* define task management IU */ +struct pm8001_tmf_task { + u8 tmf; + u32 tag_of_task_to_be_managed; +}; +struct pm8001_ioctl_payload { + u32 signature; + u16 major_function; + u16 minor_function; + u16 length; + u16 status; + u16 offset; + u16 id; + u8 *func_specific; +}; + struct pm8001_dispatch { char *name; int (*chip_init)(struct pm8001_hba_info *pm8001_ha); @@ -164,6 +180,10 @@ struct pm8001_chip_info { struct pm8001_port { struct asd_sas_port sas_port; + u8 port_attached; + u8 wide_port_phymap; + u8 port_state; + struct list_head list; }; struct pm8001_phy { @@ -386,11 +406,7 @@ struct pm8001_fw_image_header { __be32 startup_entry; } __attribute__((packed, aligned(4))); -/* define task management IU */ -struct pm8001_tmf_task { - u8 tmf; - u32 tag_of_task_to_be_managed; -}; + /** * FW Flash Update status values */ diff --git a/drivers/scsi/pmcraid.c b/drivers/scsi/pmcraid.c index 34c6b896a91..e7d2688fbeb 100644 --- a/drivers/scsi/pmcraid.c +++ b/drivers/scsi/pmcraid.c @@ -1,7 +1,8 @@ /* * pmcraid.c -- driver for PMC Sierra MaxRAID controller adapters * - * Written By: PMC Sierra Corporation + * Written By: Anil Ravindranath<anil_ravindranath@pmc-sierra.com> + * PMC-Sierra Inc * * Copyright (C) 2008, 2009 PMC Sierra Inc * @@ -79,7 +80,7 @@ DECLARE_BITMAP(pmcraid_minor, PMCRAID_MAX_ADAPTERS); /* * Module parameters */ -MODULE_AUTHOR("PMC Sierra Corporation, anil_ravindranath@pmc-sierra.com"); +MODULE_AUTHOR("Anil Ravindranath<anil_ravindranath@pmc-sierra.com>"); MODULE_DESCRIPTION("PMC Sierra MaxRAID Controller Driver"); MODULE_LICENSE("GPL"); MODULE_VERSION(PMCRAID_DRIVER_VERSION); @@ -162,10 +163,10 @@ static int pmcraid_slave_alloc(struct scsi_device *scsi_dev) spin_lock_irqsave(&pinstance->resource_lock, lock_flags); list_for_each_entry(temp, &pinstance->used_res_q, queue) { - /* do not expose VSETs with order-ids >= 240 */ + /* do not expose VSETs with order-ids > MAX_VSET_TARGETS */ if (RES_IS_VSET(temp->cfg_entry)) { target = temp->cfg_entry.unique_flags1; - if (target >= PMCRAID_MAX_VSET_TARGETS) + if (target > PMCRAID_MAX_VSET_TARGETS) continue; bus = PMCRAID_VSET_BUS_ID; lun = 0; @@ -1210,7 +1211,7 @@ static int pmcraid_expose_resource(struct pmcraid_config_table_entry *cfgte) int retval = 0; if (cfgte->resource_type == RES_TYPE_VSET) - retval = ((cfgte->unique_flags1 & 0xFF) < 0xFE); + retval = ((cfgte->unique_flags1 & 0x80) == 0); else if (cfgte->resource_type == RES_TYPE_GSCSI) retval = (RES_BUS(cfgte->resource_address) != PMCRAID_VIRTUAL_ENCL_BUS_ID); @@ -1361,6 +1362,7 @@ static int pmcraid_notify_aen(struct pmcraid_instance *pinstance, u8 type) * Return value: * none */ + static void pmcraid_handle_config_change(struct pmcraid_instance *pinstance) { struct pmcraid_config_table_entry *cfg_entry; @@ -1368,9 +1370,10 @@ static void pmcraid_handle_config_change(struct pmcraid_instance *pinstance) struct pmcraid_cmd *cmd; struct pmcraid_cmd *cfgcmd; struct pmcraid_resource_entry *res = NULL; - u32 new_entry = 1; unsigned long lock_flags; unsigned long host_lock_flags; + u32 new_entry = 1; + u32 hidden_entry = 0; int rc; ccn_hcam = (struct pmcraid_hcam_ccn *)pinstance->ccn.hcam; @@ -1406,9 +1409,15 @@ static void pmcraid_handle_config_change(struct pmcraid_instance *pinstance) } /* If this resource is not going to be added to mid-layer, just notify - * applications and return + * applications and return. If this notification is about hiding a VSET + * resource, check if it was exposed already. */ - if (!pmcraid_expose_resource(cfg_entry)) + if (pinstance->ccn.hcam->notification_type == + NOTIFICATION_TYPE_ENTRY_CHANGED && + cfg_entry->resource_type == RES_TYPE_VSET && + cfg_entry->unique_flags1 & 0x80) { + hidden_entry = 1; + } else if (!pmcraid_expose_resource(cfg_entry)) goto out_notify_apps; spin_lock_irqsave(&pinstance->resource_lock, lock_flags); @@ -1424,6 +1433,12 @@ static void pmcraid_handle_config_change(struct pmcraid_instance *pinstance) if (new_entry) { + if (hidden_entry) { + spin_unlock_irqrestore(&pinstance->resource_lock, + lock_flags); + goto out_notify_apps; + } + /* If there are more number of resources than what driver can * manage, do not notify the applications about the CCN. Just * ignore this notifications and re-register the same HCAM @@ -1454,8 +1469,9 @@ static void pmcraid_handle_config_change(struct pmcraid_instance *pinstance) sizeof(struct pmcraid_config_table_entry)); if (pinstance->ccn.hcam->notification_type == - NOTIFICATION_TYPE_ENTRY_DELETED) { + NOTIFICATION_TYPE_ENTRY_DELETED || hidden_entry) { if (res->scsi_dev) { + res->cfg_entry.unique_flags1 &= 0x7F; res->change_detected = RES_CHANGE_DEL; res->cfg_entry.resource_handle = PMCRAID_INVALID_RES_HANDLE; diff --git a/drivers/scsi/pmcraid.h b/drivers/scsi/pmcraid.h index 2752b56cad5..92f89d50850 100644 --- a/drivers/scsi/pmcraid.h +++ b/drivers/scsi/pmcraid.h @@ -1,6 +1,9 @@ /* * pmcraid.h -- PMC Sierra MaxRAID controller driver header file * + * Written By: Anil Ravindranath<anil_ravindranath@pmc-sierra.com> + * PMC-Sierra Inc + * * Copyright (C) 2008, 2009 PMC Sierra Inc. * * This program is free software; you can redistribute it and/or modify @@ -106,7 +109,7 @@ #define PMCRAID_VSET_LUN_ID 0x0 #define PMCRAID_PHYS_BUS_ID 0x0 #define PMCRAID_VIRTUAL_ENCL_BUS_ID 0x8 -#define PMCRAID_MAX_VSET_TARGETS 240 +#define PMCRAID_MAX_VSET_TARGETS 0x7F #define PMCRAID_MAX_VSET_LUNS_PER_TARGET 8 #define PMCRAID_IOA_MAX_SECTORS 32767 diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h index 6b9bf23c773..384afda7dbe 100644 --- a/drivers/scsi/qla2xxx/qla_def.h +++ b/drivers/scsi/qla2xxx/qla_def.h @@ -1570,9 +1570,6 @@ typedef struct fc_port { struct fc_rport *rport, *drport; u32 supported_classes; - unsigned long last_queue_full; - unsigned long last_ramp_up; - uint16_t vp_idx; } fc_port_t; @@ -2265,6 +2262,7 @@ struct qla_hw_data { uint32_t port0 :1; uint32_t running_gold_fw :1; uint32_t cpu_affinity_enabled :1; + uint32_t disable_msix_handshake :1; } flags; /* This spinlock is used to protect "io transactions", you must @@ -2387,6 +2385,7 @@ struct qla_hw_data { #define IS_QLA81XX(ha) (IS_QLA8001(ha)) #define IS_QLA2XXX_MIDTYPE(ha) (IS_QLA24XX(ha) || IS_QLA84XX(ha) || \ IS_QLA25XX(ha) || IS_QLA81XX(ha)) +#define IS_MSIX_NACK_CAPABLE(ha) (IS_QLA81XX(ha)) #define IS_NOPOLLING_TYPE(ha) ((IS_QLA25XX(ha) || IS_QLA81XX(ha)) && \ (ha)->flags.msix_enabled) #define IS_FAC_REQUIRED(ha) (IS_QLA81XX(ha)) diff --git a/drivers/scsi/qla2xxx/qla_gbl.h b/drivers/scsi/qla2xxx/qla_gbl.h index e2185135850..0b6801fc638 100644 --- a/drivers/scsi/qla2xxx/qla_gbl.h +++ b/drivers/scsi/qla2xxx/qla_gbl.h @@ -72,8 +72,6 @@ extern int ql2xloginretrycount; extern int ql2xfdmienable; extern int ql2xallocfwdump; extern int ql2xextended_error_logging; -extern int ql2xqfullrampup; -extern int ql2xqfulltracking; extern int ql2xiidmaenable; extern int ql2xmaxqueues; extern int ql2xmultique_tag; diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c index b74924b279e..73a793539d4 100644 --- a/drivers/scsi/qla2xxx/qla_init.c +++ b/drivers/scsi/qla2xxx/qla_init.c @@ -1442,7 +1442,17 @@ qla24xx_config_rings(struct scsi_qla_host *vha) icb->firmware_options_2 |= __constant_cpu_to_le32(BIT_18); - icb->firmware_options_2 &= __constant_cpu_to_le32(~BIT_22); + /* Use Disable MSIX Handshake mode for capable adapters */ + if (IS_MSIX_NACK_CAPABLE(ha)) { + icb->firmware_options_2 &= + __constant_cpu_to_le32(~BIT_22); + ha->flags.disable_msix_handshake = 1; + qla_printk(KERN_INFO, ha, + "MSIX Handshake Disable Mode turned on\n"); + } else { + icb->firmware_options_2 |= + __constant_cpu_to_le32(BIT_22); + } icb->firmware_options_2 |= __constant_cpu_to_le32(BIT_23); WRT_REG_DWORD(®->isp25mq.req_q_in, 0); diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c index 804987397b7..1692a883f4d 100644 --- a/drivers/scsi/qla2xxx/qla_isr.c +++ b/drivers/scsi/qla2xxx/qla_isr.c @@ -811,78 +811,6 @@ skip_rio: qla2x00_alert_all_vps(rsp, mb); } -static void -qla2x00_adjust_sdev_qdepth_up(struct scsi_device *sdev, void *data) -{ - fc_port_t *fcport = data; - struct scsi_qla_host *vha = fcport->vha; - struct qla_hw_data *ha = vha->hw; - struct req_que *req = NULL; - - if (!ql2xqfulltracking) - return; - - req = vha->req; - if (!req) - return; - if (req->max_q_depth <= sdev->queue_depth) - return; - - if (sdev->ordered_tags) - scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, - sdev->queue_depth + 1); - else - scsi_adjust_queue_depth(sdev, MSG_SIMPLE_TAG, - sdev->queue_depth + 1); - - fcport->last_ramp_up = jiffies; - - DEBUG2(qla_printk(KERN_INFO, ha, - "scsi(%ld:%d:%d:%d): Queue depth adjusted-up to %d.\n", - fcport->vha->host_no, sdev->channel, sdev->id, sdev->lun, - sdev->queue_depth)); -} - -static void -qla2x00_adjust_sdev_qdepth_down(struct scsi_device *sdev, void *data) -{ - fc_port_t *fcport = data; - - if (!scsi_track_queue_full(sdev, sdev->queue_depth - 1)) - return; - - DEBUG2(qla_printk(KERN_INFO, fcport->vha->hw, - "scsi(%ld:%d:%d:%d): Queue depth adjusted-down to %d.\n", - fcport->vha->host_no, sdev->channel, sdev->id, sdev->lun, - sdev->queue_depth)); -} - -static inline void -qla2x00_ramp_up_queue_depth(scsi_qla_host_t *vha, struct req_que *req, - srb_t *sp) -{ - fc_port_t *fcport; - struct scsi_device *sdev; - - if (!ql2xqfulltracking) - return; - - sdev = sp->cmd->device; - if (sdev->queue_depth >= req->max_q_depth) - return; - - fcport = sp->fcport; - if (time_before(jiffies, - fcport->last_ramp_up + ql2xqfullrampup * HZ)) - return; - if (time_before(jiffies, - fcport->last_queue_full + ql2xqfullrampup * HZ)) - return; - - starget_for_each_device(sdev->sdev_target, fcport, - qla2x00_adjust_sdev_qdepth_up); -} - /** * qla2x00_process_completed_request() - Process a Fast Post response. * @ha: SCSI driver HA context @@ -913,8 +841,6 @@ qla2x00_process_completed_request(struct scsi_qla_host *vha, /* Save ISP completion status */ sp->cmd->result = DID_OK << 16; - - qla2x00_ramp_up_queue_depth(vha, req, sp); qla2x00_sp_compl(ha, sp); } else { DEBUG2(printk("scsi(%ld) Req:%d: Invalid ISP SCSI completion" @@ -1435,13 +1361,6 @@ qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt) "scsi(%ld): QUEUE FULL status detected " "0x%x-0x%x.\n", vha->host_no, comp_status, scsi_status)); - - /* Adjust queue depth for all luns on the port. */ - if (!ql2xqfulltracking) - break; - fcport->last_queue_full = jiffies; - starget_for_each_device(cp->device->sdev_target, - fcport, qla2x00_adjust_sdev_qdepth_down); break; } if (lscsi_status != SS_CHECK_CONDITION) @@ -1516,17 +1435,6 @@ qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt) "scsi(%ld): QUEUE FULL status detected " "0x%x-0x%x.\n", vha->host_no, comp_status, scsi_status)); - - /* - * Adjust queue depth for all luns on the - * port. - */ - if (!ql2xqfulltracking) - break; - fcport->last_queue_full = jiffies; - starget_for_each_device( - cp->device->sdev_target, fcport, - qla2x00_adjust_sdev_qdepth_down); break; } if (lscsi_status != SS_CHECK_CONDITION) @@ -2020,7 +1928,7 @@ qla24xx_msix_rsp_q(int irq, void *dev_id) vha = qla25xx_get_host(rsp); qla24xx_process_response_queue(vha, rsp); - if (!ha->mqenable) { + if (!ha->flags.disable_msix_handshake) { WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); RD_REG_DWORD_RELAXED(®->hccr); } @@ -2034,6 +1942,7 @@ qla25xx_msix_rsp_q(int irq, void *dev_id) { struct qla_hw_data *ha; struct rsp_que *rsp; + struct device_reg_24xx __iomem *reg; rsp = (struct rsp_que *) dev_id; if (!rsp) { @@ -2043,6 +1952,14 @@ qla25xx_msix_rsp_q(int irq, void *dev_id) } ha = rsp->hw; + /* Clear the interrupt, if enabled, for this response queue */ + if (rsp->options & ~BIT_6) { + reg = &ha->iobase->isp24; + spin_lock_irq(&ha->hardware_lock); + WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); + RD_REG_DWORD_RELAXED(®->hccr); + spin_unlock_irq(&ha->hardware_lock); + } queue_work_on((int) (rsp->id - 1), ha->wq, &rsp->q_work); return IRQ_HANDLED; diff --git a/drivers/scsi/qla2xxx/qla_mid.c b/drivers/scsi/qla2xxx/qla_mid.c index a47d34308a3..2a4c7f4e7b6 100644 --- a/drivers/scsi/qla2xxx/qla_mid.c +++ b/drivers/scsi/qla2xxx/qla_mid.c @@ -696,6 +696,10 @@ qla25xx_create_rsp_que(struct qla_hw_data *ha, uint16_t options, /* Use alternate PCI devfn */ if (LSB(rsp->rid)) options |= BIT_5; + /* Enable MSIX handshake mode on for uncapable adapters */ + if (!IS_MSIX_NACK_CAPABLE(ha)) + options |= BIT_6; + rsp->options = options; rsp->id = que_id; reg = ISP_QUE_REG(ha, que_id); diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index 41669357b18..2f873d23732 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -78,21 +78,6 @@ module_param(ql2xmaxqdepth, int, S_IRUGO|S_IWUSR); MODULE_PARM_DESC(ql2xmaxqdepth, "Maximum queue depth to report for target devices."); -int ql2xqfulltracking = 1; -module_param(ql2xqfulltracking, int, S_IRUGO|S_IWUSR); -MODULE_PARM_DESC(ql2xqfulltracking, - "Controls whether the driver tracks queue full status " - "returns and dynamically adjusts a scsi device's queue " - "depth. Default is 1, perform tracking. Set to 0 to " - "disable dynamic tracking and adjustment of queue depth."); - -int ql2xqfullrampup = 120; -module_param(ql2xqfullrampup, int, S_IRUGO|S_IWUSR); -MODULE_PARM_DESC(ql2xqfullrampup, - "Number of seconds to wait to begin to ramp-up the queue " - "depth for a device after a queue-full condition has been " - "detected. Default is 120 seconds."); - int ql2xiidmaenable=1; module_param(ql2xiidmaenable, int, S_IRUGO|S_IRUSR); MODULE_PARM_DESC(ql2xiidmaenable, @@ -1217,13 +1202,61 @@ qla2xxx_slave_destroy(struct scsi_device *sdev) sdev->hostdata = NULL; } +static void qla2x00_handle_queue_full(struct scsi_device *sdev, int qdepth) +{ + fc_port_t *fcport = (struct fc_port *) sdev->hostdata; + + if (!scsi_track_queue_full(sdev, qdepth)) + return; + + DEBUG2(qla_printk(KERN_INFO, fcport->vha->hw, + "scsi(%ld:%d:%d:%d): Queue depth adjusted-down to %d.\n", + fcport->vha->host_no, sdev->channel, sdev->id, sdev->lun, + sdev->queue_depth)); +} + +static void qla2x00_adjust_sdev_qdepth_up(struct scsi_device *sdev, int qdepth) +{ + fc_port_t *fcport = sdev->hostdata; + struct scsi_qla_host *vha = fcport->vha; + struct qla_hw_data *ha = vha->hw; + struct req_que *req = NULL; + + req = vha->req; + if (!req) + return; + + if (req->max_q_depth <= sdev->queue_depth || req->max_q_depth < qdepth) + return; + + if (sdev->ordered_tags) + scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, qdepth); + else + scsi_adjust_queue_depth(sdev, MSG_SIMPLE_TAG, qdepth); + + DEBUG2(qla_printk(KERN_INFO, ha, + "scsi(%ld:%d:%d:%d): Queue depth adjusted-up to %d.\n", + fcport->vha->host_no, sdev->channel, sdev->id, sdev->lun, + sdev->queue_depth)); +} + static int qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth, int reason) { - if (reason != SCSI_QDEPTH_DEFAULT) - return -EOPNOTSUPP; + switch (reason) { + case SCSI_QDEPTH_DEFAULT: + scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth); + break; + case SCSI_QDEPTH_QFULL: + qla2x00_handle_queue_full(sdev, qdepth); + break; + case SCSI_QDEPTH_RAMP_UP: + qla2x00_adjust_sdev_qdepth_up(sdev, qdepth); + break; + default: + return EOPNOTSUPP; + } - scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth); return sdev->queue_depth; } @@ -2003,13 +2036,13 @@ skip_dpc: DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n", base_vha->host_no, ha)); - base_vha->flags.init_done = 1; - base_vha->flags.online = 1; - ret = scsi_add_host(host, &pdev->dev); if (ret) goto probe_failed; + base_vha->flags.init_done = 1; + base_vha->flags.online = 1; + ha->isp_ops->enable_intrs(ha); scsi_scan_host(host); diff --git a/drivers/scsi/qla2xxx/qla_version.h b/drivers/scsi/qla2xxx/qla_version.h index 807e0dbc67f..c482220f7ee 100644 --- a/drivers/scsi/qla2xxx/qla_version.h +++ b/drivers/scsi/qla2xxx/qla_version.h @@ -7,7 +7,7 @@ /* * Driver version */ -#define QLA2XXX_VERSION "8.03.01-k7" +#define QLA2XXX_VERSION "8.03.01-k8" #define QLA_DRIVER_MAJOR_VER 8 #define QLA_DRIVER_MINOR_VER 3 diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index e495d381394..d8927681ec8 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -859,6 +859,7 @@ void scsi_io_completion(struct scsi_cmnd *cmd, unsigned int good_bytes) case 0x07: /* operation in progress */ case 0x08: /* Long write in progress */ case 0x09: /* self test in progress */ + case 0x14: /* space allocation in progress */ action = ACTION_DELAYED_RETRY; break; default: diff --git a/drivers/scsi/scsi_transport_fc.c b/drivers/scsi/scsi_transport_fc.c index 6531c91501b..ddfcecd5099 100644 --- a/drivers/scsi/scsi_transport_fc.c +++ b/drivers/scsi/scsi_transport_fc.c @@ -649,11 +649,22 @@ static __init int fc_transport_init(void) return error; error = transport_class_register(&fc_vport_class); if (error) - return error; + goto unreg_host_class; error = transport_class_register(&fc_rport_class); if (error) - return error; - return transport_class_register(&fc_transport_class); + goto unreg_vport_class; + error = transport_class_register(&fc_transport_class); + if (error) + goto unreg_rport_class; + return 0; + +unreg_rport_class: + transport_class_unregister(&fc_rport_class); +unreg_vport_class: + transport_class_unregister(&fc_vport_class); +unreg_host_class: + transport_class_unregister(&fc_host_class); + return error; } static void __exit fc_transport_exit(void) diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index 9093c7261f3..255da53e5a0 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -264,6 +264,15 @@ sd_show_app_tag_own(struct device *dev, struct device_attribute *attr, return snprintf(buf, 20, "%u\n", sdkp->ATO); } +static ssize_t +sd_show_thin_provisioning(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct scsi_disk *sdkp = to_scsi_disk(dev); + + return snprintf(buf, 20, "%u\n", sdkp->thin_provisioning); +} + static struct device_attribute sd_disk_attrs[] = { __ATTR(cache_type, S_IRUGO|S_IWUSR, sd_show_cache_type, sd_store_cache_type), @@ -274,6 +283,7 @@ static struct device_attribute sd_disk_attrs[] = { sd_store_manage_start_stop), __ATTR(protection_type, S_IRUGO, sd_show_protection_type, NULL), __ATTR(app_tag_own, S_IRUGO, sd_show_app_tag_own, NULL), + __ATTR(thin_provisioning, S_IRUGO, sd_show_thin_provisioning, NULL), __ATTR_NULL, }; @@ -399,6 +409,57 @@ static void sd_prot_op(struct scsi_cmnd *scmd, unsigned int dif) } /** + * sd_prepare_discard - unmap blocks on thinly provisioned device + * @rq: Request to prepare + * + * Will issue either UNMAP or WRITE SAME(16) depending on preference + * indicated by target device. + **/ +static int sd_prepare_discard(struct request *rq) +{ + struct scsi_disk *sdkp = scsi_disk(rq->rq_disk); + struct bio *bio = rq->bio; + sector_t sector = bio->bi_sector; + unsigned int num = bio_sectors(bio); + + if (sdkp->device->sector_size == 4096) { + sector >>= 3; + num >>= 3; + } + + rq->cmd_type = REQ_TYPE_BLOCK_PC; + rq->timeout = SD_TIMEOUT; + + memset(rq->cmd, 0, rq->cmd_len); + + if (sdkp->unmap) { + char *buf = kmap_atomic(bio_page(bio), KM_USER0); + + rq->cmd[0] = UNMAP; + rq->cmd[8] = 24; + rq->cmd_len = 10; + + /* Ensure that data length matches payload */ + rq->__data_len = bio->bi_size = bio->bi_io_vec->bv_len = 24; + + put_unaligned_be16(6 + 16, &buf[0]); + put_unaligned_be16(16, &buf[2]); + put_unaligned_be64(sector, &buf[8]); + put_unaligned_be32(num, &buf[16]); + + kunmap_atomic(buf, KM_USER0); + } else { + rq->cmd[0] = WRITE_SAME_16; + rq->cmd[1] = 0x8; /* UNMAP */ + put_unaligned_be64(sector, &rq->cmd[2]); + put_unaligned_be32(num, &rq->cmd[10]); + rq->cmd_len = 16; + } + + return BLKPREP_OK; +} + +/** * sd_init_command - build a scsi (read or write) command from * information in the request structure. * @SCpnt: pointer to mid-level's per scsi command structure that @@ -418,6 +479,13 @@ static int sd_prep_fn(struct request_queue *q, struct request *rq) int ret, host_dif; unsigned char protect; + /* + * Discard request come in as REQ_TYPE_FS but we turn them into + * block PC requests to make life easier. + */ + if (blk_discard_rq(rq)) + ret = sd_prepare_discard(rq); + if (rq->cmd_type == REQ_TYPE_BLOCK_PC) { ret = scsi_setup_blk_pc_cmnd(sdp, rq); goto out; @@ -1432,6 +1500,19 @@ static int read_capacity_16(struct scsi_disk *sdkp, struct scsi_device *sdp, sd_printk(KERN_NOTICE, sdkp, "physical block alignment offset: %u\n", alignment); + if (buffer[14] & 0x80) { /* TPE */ + struct request_queue *q = sdp->request_queue; + + sdkp->thin_provisioning = 1; + q->limits.discard_granularity = sdkp->hw_sector_size; + q->limits.max_discard_sectors = 0xffffffff; + + if (buffer[14] & 0x40) /* TPRZ */ + q->limits.discard_zeroes_data = 1; + + queue_flag_set_unlocked(QUEUE_FLAG_DISCARD, q); + } + sdkp->capacity = lba + 1; return sector_size; } @@ -1863,6 +1944,7 @@ void sd_read_app_tag_own(struct scsi_disk *sdkp, unsigned char *buffer) */ static void sd_read_block_limits(struct scsi_disk *sdkp) { + struct request_queue *q = sdkp->disk->queue; unsigned int sector_sz = sdkp->device->sector_size; char *buffer; @@ -1877,6 +1959,31 @@ static void sd_read_block_limits(struct scsi_disk *sdkp) blk_queue_io_opt(sdkp->disk->queue, get_unaligned_be32(&buffer[12]) * sector_sz); + /* Thin provisioning enabled and page length indicates TP support */ + if (sdkp->thin_provisioning && buffer[3] == 0x3c) { + unsigned int lba_count, desc_count, granularity; + + lba_count = get_unaligned_be32(&buffer[20]); + desc_count = get_unaligned_be32(&buffer[24]); + + if (lba_count) { + q->limits.max_discard_sectors = + lba_count * sector_sz >> 9; + + if (desc_count) + sdkp->unmap = 1; + } + + granularity = get_unaligned_be32(&buffer[28]); + + if (granularity) + q->limits.discard_granularity = granularity * sector_sz; + + if (buffer[32] & 0x80) + q->limits.discard_alignment = + get_unaligned_be32(&buffer[32]) & ~(1 << 31); + } + kfree(buffer); } diff --git a/drivers/scsi/sd.h b/drivers/scsi/sd.h index e374804d26f..43d3caf268e 100644 --- a/drivers/scsi/sd.h +++ b/drivers/scsi/sd.h @@ -60,6 +60,8 @@ struct scsi_disk { unsigned RCD : 1; /* state of disk RCD bit, unused */ unsigned DPOFUA : 1; /* state of disk DPOFUA bit */ unsigned first_scan : 1; + unsigned thin_provisioning : 1; + unsigned unmap : 1; }; #define to_scsi_disk(obj) container_of(obj,struct scsi_disk,dev) diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c index ad59abb4772..d04ea9a6f67 100644 --- a/drivers/scsi/st.c +++ b/drivers/scsi/st.c @@ -552,13 +552,15 @@ st_do_scsi(struct st_request * SRpnt, struct scsi_tape * STp, unsigned char *cmd SRpnt->waiting = waiting; if (STp->buffer->do_dio) { + mdata->page_order = 0; mdata->nr_entries = STp->buffer->sg_segs; mdata->pages = STp->buffer->mapped_pages; } else { + mdata->page_order = STp->buffer->reserved_page_order; mdata->nr_entries = DIV_ROUND_UP(bytes, PAGE_SIZE << mdata->page_order); - STp->buffer->map_data.pages = STp->buffer->reserved_pages; - STp->buffer->map_data.offset = 0; + mdata->pages = STp->buffer->reserved_pages; + mdata->offset = 0; } memcpy(SRpnt->cmd, cmd, sizeof(SRpnt->cmd)); @@ -3719,7 +3721,7 @@ static int enlarge_buffer(struct st_buffer * STbuffer, int new_size, int need_dm priority |= __GFP_ZERO; if (STbuffer->frp_segs) { - order = STbuffer->map_data.page_order; + order = STbuffer->reserved_page_order; b_size = PAGE_SIZE << order; } else { for (b_size = PAGE_SIZE, order = 0; @@ -3752,7 +3754,7 @@ static int enlarge_buffer(struct st_buffer * STbuffer, int new_size, int need_dm segs++; } STbuffer->b_data = page_address(STbuffer->reserved_pages[0]); - STbuffer->map_data.page_order = order; + STbuffer->reserved_page_order = order; return 1; } @@ -3765,7 +3767,7 @@ static void clear_buffer(struct st_buffer * st_bp) for (i=0; i < st_bp->frp_segs; i++) memset(page_address(st_bp->reserved_pages[i]), 0, - PAGE_SIZE << st_bp->map_data.page_order); + PAGE_SIZE << st_bp->reserved_page_order); st_bp->cleared = 1; } @@ -3773,7 +3775,7 @@ static void clear_buffer(struct st_buffer * st_bp) /* Release the extra buffer */ static void normalize_buffer(struct st_buffer * STbuffer) { - int i, order = STbuffer->map_data.page_order; + int i, order = STbuffer->reserved_page_order; for (i = 0; i < STbuffer->frp_segs; i++) { __free_pages(STbuffer->reserved_pages[i], order); @@ -3781,7 +3783,7 @@ static void normalize_buffer(struct st_buffer * STbuffer) } STbuffer->frp_segs = 0; STbuffer->sg_segs = 0; - STbuffer->map_data.page_order = 0; + STbuffer->reserved_page_order = 0; STbuffer->map_data.offset = 0; } @@ -3791,7 +3793,7 @@ static void normalize_buffer(struct st_buffer * STbuffer) static int append_to_buffer(const char __user *ubp, struct st_buffer * st_bp, int do_count) { int i, cnt, res, offset; - int length = PAGE_SIZE << st_bp->map_data.page_order; + int length = PAGE_SIZE << st_bp->reserved_page_order; for (i = 0, offset = st_bp->buffer_bytes; i < st_bp->frp_segs && offset >= length; i++) @@ -3823,7 +3825,7 @@ static int append_to_buffer(const char __user *ubp, struct st_buffer * st_bp, in static int from_buffer(struct st_buffer * st_bp, char __user *ubp, int do_count) { int i, cnt, res, offset; - int length = PAGE_SIZE << st_bp->map_data.page_order; + int length = PAGE_SIZE << st_bp->reserved_page_order; for (i = 0, offset = st_bp->read_pointer; i < st_bp->frp_segs && offset >= length; i++) @@ -3856,7 +3858,7 @@ static void move_buffer_data(struct st_buffer * st_bp, int offset) { int src_seg, dst_seg, src_offset = 0, dst_offset; int count, total; - int length = PAGE_SIZE << st_bp->map_data.page_order; + int length = PAGE_SIZE << st_bp->reserved_page_order; if (offset == 0) return; @@ -4578,7 +4580,6 @@ static int sgl_map_user_pages(struct st_buffer *STbp, } mdata->offset = uaddr & ~PAGE_MASK; - mdata->page_order = 0; STbp->mapped_pages = pages; return nr_pages; diff --git a/drivers/scsi/st.h b/drivers/scsi/st.h index 544dc6b1f54..f91a67c6d96 100644 --- a/drivers/scsi/st.h +++ b/drivers/scsi/st.h @@ -46,6 +46,7 @@ struct st_buffer { struct st_request *last_SRpnt; struct st_cmdstatus cmdstat; struct page **reserved_pages; + int reserved_page_order; struct page **mapped_pages; struct rq_map_data map_data; unsigned char *b_data; diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig index 2d9d7035936..f55eb010733 100644 --- a/drivers/spi/Kconfig +++ b/drivers/spi/Kconfig @@ -216,6 +216,17 @@ config SPI_S3C24XX help SPI driver for Samsung S3C24XX series ARM SoCs +config SPI_S3C24XX_FIQ + bool "S3C24XX driver with FIQ pseudo-DMA" + depends on SPI_S3C24XX + select FIQ + help + Enable FIQ support for the S3C24XX SPI driver to provide pseudo + DMA by using the fast-interrupt request framework, This allows + the driver to get DMA-like performance when there are either + no free DMA channels, or when doing transfers that required both + TX and RX data paths. + config SPI_S3C24XX_GPIO tristate "Samsung S3C24XX series SPI by GPIO" depends on ARCH_S3C2410 && EXPERIMENTAL @@ -226,6 +237,13 @@ config SPI_S3C24XX_GPIO the inbuilt hardware cannot provide the transfer mode, or where the board is using non hardware connected pins. +config SPI_S3C64XX + tristate "Samsung S3C64XX series type SPI" + depends on ARCH_S3C64XX && EXPERIMENTAL + select S3C64XX_DMA + help + SPI driver for Samsung S3C64XX and newer SoCs. + config SPI_SH_MSIOF tristate "SuperH MSIOF SPI controller" depends on SUPERH && HAVE_CLK @@ -289,6 +307,16 @@ config SPI_NUC900 # Add new SPI master controllers in alphabetical order above this line # +config SPI_DESIGNWARE + bool "DesignWare SPI controller core support" + depends on SPI_MASTER + help + general driver for SPI controller core from DesignWare + +config SPI_DW_PCI + tristate "PCI interface driver for DW SPI core" + depends on SPI_DESIGNWARE && PCI + # # There are lots of SPI device types, with sensors and memory # being probably the most widely used ones. diff --git a/drivers/spi/Makefile b/drivers/spi/Makefile index ed8c1675b52..f3d2810ba11 100644 --- a/drivers/spi/Makefile +++ b/drivers/spi/Makefile @@ -16,6 +16,8 @@ obj-$(CONFIG_SPI_BFIN) += spi_bfin5xx.o obj-$(CONFIG_SPI_BITBANG) += spi_bitbang.o obj-$(CONFIG_SPI_AU1550) += au1550_spi.o obj-$(CONFIG_SPI_BUTTERFLY) += spi_butterfly.o +obj-$(CONFIG_SPI_DESIGNWARE) += dw_spi.o +obj-$(CONFIG_SPI_DW_PCI) += dw_spi_pci.o obj-$(CONFIG_SPI_GPIO) += spi_gpio.o obj-$(CONFIG_SPI_IMX) += spi_imx.o obj-$(CONFIG_SPI_LM70_LLP) += spi_lm70llp.o @@ -30,7 +32,8 @@ obj-$(CONFIG_SPI_MPC52xx) += mpc52xx_spi.o obj-$(CONFIG_SPI_MPC8xxx) += spi_mpc8xxx.o obj-$(CONFIG_SPI_PPC4xx) += spi_ppc4xx.o obj-$(CONFIG_SPI_S3C24XX_GPIO) += spi_s3c24xx_gpio.o -obj-$(CONFIG_SPI_S3C24XX) += spi_s3c24xx.o +obj-$(CONFIG_SPI_S3C24XX) += spi_s3c24xx_hw.o +obj-$(CONFIG_SPI_S3C64XX) += spi_s3c64xx.o obj-$(CONFIG_SPI_TXX9) += spi_txx9.o obj-$(CONFIG_SPI_XILINX) += xilinx_spi.o obj-$(CONFIG_SPI_XILINX_OF) += xilinx_spi_of.o @@ -39,6 +42,11 @@ obj-$(CONFIG_SPI_SH_SCI) += spi_sh_sci.o obj-$(CONFIG_SPI_SH_MSIOF) += spi_sh_msiof.o obj-$(CONFIG_SPI_STMP3XXX) += spi_stmp.o obj-$(CONFIG_SPI_NUC900) += spi_nuc900.o + +# special build for s3c24xx spi driver with fiq support +spi_s3c24xx_hw-y := spi_s3c24xx.o +spi_s3c24xx_hw-$(CONFIG_SPI_S3C24XX_FIQ) += spi_s3c24xx_fiq.o + # ... add above this line ... # SPI protocol drivers (device/link on bus) diff --git a/drivers/spi/atmel_spi.c b/drivers/spi/atmel_spi.c index f5b3fdbb1e2..d21c24eaf0a 100644 --- a/drivers/spi/atmel_spi.c +++ b/drivers/spi/atmel_spi.c @@ -189,14 +189,14 @@ static void atmel_spi_next_xfer_data(struct spi_master *master, /* use scratch buffer only when rx or tx data is unspecified */ if (xfer->rx_buf) - *rx_dma = xfer->rx_dma + xfer->len - len; + *rx_dma = xfer->rx_dma + xfer->len - *plen; else { *rx_dma = as->buffer_dma; if (len > BUFFER_SIZE) len = BUFFER_SIZE; } if (xfer->tx_buf) - *tx_dma = xfer->tx_dma + xfer->len - len; + *tx_dma = xfer->tx_dma + xfer->len - *plen; else { *tx_dma = as->buffer_dma; if (len > BUFFER_SIZE) @@ -788,7 +788,7 @@ static int __init atmel_spi_probe(struct platform_device *pdev) spin_lock_init(&as->lock); INIT_LIST_HEAD(&as->queue); as->pdev = pdev; - as->regs = ioremap(regs->start, (regs->end - regs->start) + 1); + as->regs = ioremap(regs->start, resource_size(regs)); if (!as->regs) goto out_free_buffer; as->irq = irq; diff --git a/drivers/spi/dw_spi.c b/drivers/spi/dw_spi.c new file mode 100644 index 00000000000..31620fae77b --- /dev/null +++ b/drivers/spi/dw_spi.c @@ -0,0 +1,944 @@ +/* + * dw_spi.c - Designware SPI core controller driver (refer pxa2xx_spi.c) + * + * Copyright (c) 2009, Intel Corporation. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#include <linux/dma-mapping.h> +#include <linux/interrupt.h> +#include <linux/highmem.h> +#include <linux/delay.h> + +#include <linux/spi/dw_spi.h> +#include <linux/spi/spi.h> + +#ifdef CONFIG_DEBUG_FS +#include <linux/debugfs.h> +#endif + +#define START_STATE ((void *)0) +#define RUNNING_STATE ((void *)1) +#define DONE_STATE ((void *)2) +#define ERROR_STATE ((void *)-1) + +#define QUEUE_RUNNING 0 +#define QUEUE_STOPPED 1 + +#define MRST_SPI_DEASSERT 0 +#define MRST_SPI_ASSERT 1 + +/* Slave spi_dev related */ +struct chip_data { + u16 cr0; + u8 cs; /* chip select pin */ + u8 n_bytes; /* current is a 1/2/4 byte op */ + u8 tmode; /* TR/TO/RO/EEPROM */ + u8 type; /* SPI/SSP/MicroWire */ + + u8 poll_mode; /* 1 means use poll mode */ + + u32 dma_width; + u32 rx_threshold; + u32 tx_threshold; + u8 enable_dma; + u8 bits_per_word; + u16 clk_div; /* baud rate divider */ + u32 speed_hz; /* baud rate */ + int (*write)(struct dw_spi *dws); + int (*read)(struct dw_spi *dws); + void (*cs_control)(u32 command); +}; + +#ifdef CONFIG_DEBUG_FS +static int spi_show_regs_open(struct inode *inode, struct file *file) +{ + file->private_data = inode->i_private; + return 0; +} + +#define SPI_REGS_BUFSIZE 1024 +static ssize_t spi_show_regs(struct file *file, char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct dw_spi *dws; + char *buf; + u32 len = 0; + ssize_t ret; + + dws = file->private_data; + + buf = kzalloc(SPI_REGS_BUFSIZE, GFP_KERNEL); + if (!buf) + return 0; + + len += snprintf(buf + len, SPI_REGS_BUFSIZE - len, + "MRST SPI0 registers:\n"); + len += snprintf(buf + len, SPI_REGS_BUFSIZE - len, + "=================================\n"); + len += snprintf(buf + len, SPI_REGS_BUFSIZE - len, + "CTRL0: \t\t0x%08x\n", dw_readl(dws, ctrl0)); + len += snprintf(buf + len, SPI_REGS_BUFSIZE - len, + "CTRL1: \t\t0x%08x\n", dw_readl(dws, ctrl1)); + len += snprintf(buf + len, SPI_REGS_BUFSIZE - len, + "SSIENR: \t0x%08x\n", dw_readl(dws, ssienr)); + len += snprintf(buf + len, SPI_REGS_BUFSIZE - len, + "SER: \t\t0x%08x\n", dw_readl(dws, ser)); + len += snprintf(buf + len, SPI_REGS_BUFSIZE - len, + "BAUDR: \t\t0x%08x\n", dw_readl(dws, baudr)); + len += snprintf(buf + len, SPI_REGS_BUFSIZE - len, + "TXFTLR: \t0x%08x\n", dw_readl(dws, txfltr)); + len += snprintf(buf + len, SPI_REGS_BUFSIZE - len, + "RXFTLR: \t0x%08x\n", dw_readl(dws, rxfltr)); + len += snprintf(buf + len, SPI_REGS_BUFSIZE - len, + "TXFLR: \t\t0x%08x\n", dw_readl(dws, txflr)); + len += snprintf(buf + len, SPI_REGS_BUFSIZE - len, + "RXFLR: \t\t0x%08x\n", dw_readl(dws, rxflr)); + len += snprintf(buf + len, SPI_REGS_BUFSIZE - len, + "SR: \t\t0x%08x\n", dw_readl(dws, sr)); + len += snprintf(buf + len, SPI_REGS_BUFSIZE - len, + "IMR: \t\t0x%08x\n", dw_readl(dws, imr)); + len += snprintf(buf + len, SPI_REGS_BUFSIZE - len, + "ISR: \t\t0x%08x\n", dw_readl(dws, isr)); + len += snprintf(buf + len, SPI_REGS_BUFSIZE - len, + "DMACR: \t\t0x%08x\n", dw_readl(dws, dmacr)); + len += snprintf(buf + len, SPI_REGS_BUFSIZE - len, + "DMATDLR: \t0x%08x\n", dw_readl(dws, dmatdlr)); + len += snprintf(buf + len, SPI_REGS_BUFSIZE - len, + "DMARDLR: \t0x%08x\n", dw_readl(dws, dmardlr)); + len += snprintf(buf + len, SPI_REGS_BUFSIZE - len, + "=================================\n"); + + ret = simple_read_from_buffer(user_buf, count, ppos, buf, len); + kfree(buf); + return ret; +} + +static const struct file_operations mrst_spi_regs_ops = { + .owner = THIS_MODULE, + .open = spi_show_regs_open, + .read = spi_show_regs, +}; + +static int mrst_spi_debugfs_init(struct dw_spi *dws) +{ + dws->debugfs = debugfs_create_dir("mrst_spi", NULL); + if (!dws->debugfs) + return -ENOMEM; + + debugfs_create_file("registers", S_IFREG | S_IRUGO, + dws->debugfs, (void *)dws, &mrst_spi_regs_ops); + return 0; +} + +static void mrst_spi_debugfs_remove(struct dw_spi *dws) +{ + if (dws->debugfs) + debugfs_remove_recursive(dws->debugfs); +} + +#else +static inline int mrst_spi_debugfs_init(struct dw_spi *dws) +{ +} + +static inline void mrst_spi_debugfs_remove(struct dw_spi *dws) +{ +} +#endif /* CONFIG_DEBUG_FS */ + +static void wait_till_not_busy(struct dw_spi *dws) +{ + unsigned long end = jiffies + usecs_to_jiffies(1000); + + while (time_before(jiffies, end)) { + if (!(dw_readw(dws, sr) & SR_BUSY)) + return; + } + dev_err(&dws->master->dev, + "DW SPI: Stutus keeps busy for 1000us after a read/write!\n"); +} + +static void flush(struct dw_spi *dws) +{ + while (dw_readw(dws, sr) & SR_RF_NOT_EMPT) + dw_readw(dws, dr); + + wait_till_not_busy(dws); +} + +static void null_cs_control(u32 command) +{ +} + +static int null_writer(struct dw_spi *dws) +{ + u8 n_bytes = dws->n_bytes; + + if (!(dw_readw(dws, sr) & SR_TF_NOT_FULL) + || (dws->tx == dws->tx_end)) + return 0; + dw_writew(dws, dr, 0); + dws->tx += n_bytes; + + wait_till_not_busy(dws); + return 1; +} + +static int null_reader(struct dw_spi *dws) +{ + u8 n_bytes = dws->n_bytes; + + while ((dw_readw(dws, sr) & SR_RF_NOT_EMPT) + && (dws->rx < dws->rx_end)) { + dw_readw(dws, dr); + dws->rx += n_bytes; + } + wait_till_not_busy(dws); + return dws->rx == dws->rx_end; +} + +static int u8_writer(struct dw_spi *dws) +{ + if (!(dw_readw(dws, sr) & SR_TF_NOT_FULL) + || (dws->tx == dws->tx_end)) + return 0; + + dw_writew(dws, dr, *(u8 *)(dws->tx)); + ++dws->tx; + + wait_till_not_busy(dws); + return 1; +} + +static int u8_reader(struct dw_spi *dws) +{ + while ((dw_readw(dws, sr) & SR_RF_NOT_EMPT) + && (dws->rx < dws->rx_end)) { + *(u8 *)(dws->rx) = dw_readw(dws, dr); + ++dws->rx; + } + + wait_till_not_busy(dws); + return dws->rx == dws->rx_end; +} + +static int u16_writer(struct dw_spi *dws) +{ + if (!(dw_readw(dws, sr) & SR_TF_NOT_FULL) + || (dws->tx == dws->tx_end)) + return 0; + + dw_writew(dws, dr, *(u16 *)(dws->tx)); + dws->tx += 2; + + wait_till_not_busy(dws); + return 1; +} + +static int u16_reader(struct dw_spi *dws) +{ + u16 temp; + + while ((dw_readw(dws, sr) & SR_RF_NOT_EMPT) + && (dws->rx < dws->rx_end)) { + temp = dw_readw(dws, dr); + *(u16 *)(dws->rx) = temp; + dws->rx += 2; + } + + wait_till_not_busy(dws); + return dws->rx == dws->rx_end; +} + +static void *next_transfer(struct dw_spi *dws) +{ + struct spi_message *msg = dws->cur_msg; + struct spi_transfer *trans = dws->cur_transfer; + + /* Move to next transfer */ + if (trans->transfer_list.next != &msg->transfers) { + dws->cur_transfer = + list_entry(trans->transfer_list.next, + struct spi_transfer, + transfer_list); + return RUNNING_STATE; + } else + return DONE_STATE; +} + +/* + * Note: first step is the protocol driver prepares + * a dma-capable memory, and this func just need translate + * the virt addr to physical + */ +static int map_dma_buffers(struct dw_spi *dws) +{ + if (!dws->cur_msg->is_dma_mapped || !dws->dma_inited + || !dws->cur_chip->enable_dma) + return 0; + + if (dws->cur_transfer->tx_dma) + dws->tx_dma = dws->cur_transfer->tx_dma; + + if (dws->cur_transfer->rx_dma) + dws->rx_dma = dws->cur_transfer->rx_dma; + + return 1; +} + +/* Caller already set message->status; dma and pio irqs are blocked */ +static void giveback(struct dw_spi *dws) +{ + struct spi_transfer *last_transfer; + unsigned long flags; + struct spi_message *msg; + + spin_lock_irqsave(&dws->lock, flags); + msg = dws->cur_msg; + dws->cur_msg = NULL; + dws->cur_transfer = NULL; + dws->prev_chip = dws->cur_chip; + dws->cur_chip = NULL; + dws->dma_mapped = 0; + queue_work(dws->workqueue, &dws->pump_messages); + spin_unlock_irqrestore(&dws->lock, flags); + + last_transfer = list_entry(msg->transfers.prev, + struct spi_transfer, + transfer_list); + + if (!last_transfer->cs_change) + dws->cs_control(MRST_SPI_DEASSERT); + + msg->state = NULL; + if (msg->complete) + msg->complete(msg->context); +} + +static void int_error_stop(struct dw_spi *dws, const char *msg) +{ + /* Stop and reset hw */ + flush(dws); + spi_enable_chip(dws, 0); + + dev_err(&dws->master->dev, "%s\n", msg); + dws->cur_msg->state = ERROR_STATE; + tasklet_schedule(&dws->pump_transfers); +} + +static void transfer_complete(struct dw_spi *dws) +{ + /* Update total byte transfered return count actual bytes read */ + dws->cur_msg->actual_length += dws->len; + + /* Move to next transfer */ + dws->cur_msg->state = next_transfer(dws); + + /* Handle end of message */ + if (dws->cur_msg->state == DONE_STATE) { + dws->cur_msg->status = 0; + giveback(dws); + } else + tasklet_schedule(&dws->pump_transfers); +} + +static irqreturn_t interrupt_transfer(struct dw_spi *dws) +{ + u16 irq_status, irq_mask = 0x3f; + + irq_status = dw_readw(dws, isr) & irq_mask; + /* Error handling */ + if (irq_status & (SPI_INT_TXOI | SPI_INT_RXOI | SPI_INT_RXUI)) { + dw_readw(dws, txoicr); + dw_readw(dws, rxoicr); + dw_readw(dws, rxuicr); + int_error_stop(dws, "interrupt_transfer: fifo overrun"); + return IRQ_HANDLED; + } + + /* INT comes from tx */ + if (dws->tx && (irq_status & SPI_INT_TXEI)) { + while (dws->tx < dws->tx_end) + dws->write(dws); + + if (dws->tx == dws->tx_end) { + spi_mask_intr(dws, SPI_INT_TXEI); + transfer_complete(dws); + } + } + + /* INT comes from rx */ + if (dws->rx && (irq_status & SPI_INT_RXFI)) { + if (dws->read(dws)) + transfer_complete(dws); + } + return IRQ_HANDLED; +} + +static irqreturn_t dw_spi_irq(int irq, void *dev_id) +{ + struct dw_spi *dws = dev_id; + + if (!dws->cur_msg) { + spi_mask_intr(dws, SPI_INT_TXEI); + /* Never fail */ + return IRQ_HANDLED; + } + + return dws->transfer_handler(dws); +} + +/* Must be called inside pump_transfers() */ +static void poll_transfer(struct dw_spi *dws) +{ + if (dws->tx) { + while (dws->write(dws)) + dws->read(dws); + } + + dws->read(dws); + transfer_complete(dws); +} + +static void dma_transfer(struct dw_spi *dws, int cs_change) +{ +} + +static void pump_transfers(unsigned long data) +{ + struct dw_spi *dws = (struct dw_spi *)data; + struct spi_message *message = NULL; + struct spi_transfer *transfer = NULL; + struct spi_transfer *previous = NULL; + struct spi_device *spi = NULL; + struct chip_data *chip = NULL; + u8 bits = 0; + u8 imask = 0; + u8 cs_change = 0; + u16 clk_div = 0; + u32 speed = 0; + u32 cr0 = 0; + + /* Get current state information */ + message = dws->cur_msg; + transfer = dws->cur_transfer; + chip = dws->cur_chip; + spi = message->spi; + + if (message->state == ERROR_STATE) { + message->status = -EIO; + goto early_exit; + } + + /* Handle end of message */ + if (message->state == DONE_STATE) { + message->status = 0; + goto early_exit; + } + + /* Delay if requested at end of transfer*/ + if (message->state == RUNNING_STATE) { + previous = list_entry(transfer->transfer_list.prev, + struct spi_transfer, + transfer_list); + if (previous->delay_usecs) + udelay(previous->delay_usecs); + } + + dws->n_bytes = chip->n_bytes; + dws->dma_width = chip->dma_width; + dws->cs_control = chip->cs_control; + + dws->rx_dma = transfer->rx_dma; + dws->tx_dma = transfer->tx_dma; + dws->tx = (void *)transfer->tx_buf; + dws->tx_end = dws->tx + transfer->len; + dws->rx = transfer->rx_buf; + dws->rx_end = dws->rx + transfer->len; + dws->write = dws->tx ? chip->write : null_writer; + dws->read = dws->rx ? chip->read : null_reader; + dws->cs_change = transfer->cs_change; + dws->len = dws->cur_transfer->len; + if (chip != dws->prev_chip) + cs_change = 1; + + cr0 = chip->cr0; + + /* Handle per transfer options for bpw and speed */ + if (transfer->speed_hz) { + speed = chip->speed_hz; + + if (transfer->speed_hz != speed) { + speed = transfer->speed_hz; + if (speed > dws->max_freq) { + printk(KERN_ERR "MRST SPI0: unsupported" + "freq: %dHz\n", speed); + message->status = -EIO; + goto early_exit; + } + + /* clk_div doesn't support odd number */ + clk_div = dws->max_freq / speed; + clk_div = (clk_div >> 1) << 1; + + chip->speed_hz = speed; + chip->clk_div = clk_div; + } + } + if (transfer->bits_per_word) { + bits = transfer->bits_per_word; + + switch (bits) { + case 8: + dws->n_bytes = 1; + dws->dma_width = 1; + dws->read = (dws->read != null_reader) ? + u8_reader : null_reader; + dws->write = (dws->write != null_writer) ? + u8_writer : null_writer; + break; + case 16: + dws->n_bytes = 2; + dws->dma_width = 2; + dws->read = (dws->read != null_reader) ? + u16_reader : null_reader; + dws->write = (dws->write != null_writer) ? + u16_writer : null_writer; + break; + default: + printk(KERN_ERR "MRST SPI0: unsupported bits:" + "%db\n", bits); + message->status = -EIO; + goto early_exit; + } + + cr0 = (bits - 1) + | (chip->type << SPI_FRF_OFFSET) + | (spi->mode << SPI_MODE_OFFSET) + | (chip->tmode << SPI_TMOD_OFFSET); + } + message->state = RUNNING_STATE; + + /* Check if current transfer is a DMA transaction */ + dws->dma_mapped = map_dma_buffers(dws); + + if (!dws->dma_mapped && !chip->poll_mode) { + if (dws->rx) + imask |= SPI_INT_RXFI; + if (dws->tx) + imask |= SPI_INT_TXEI; + dws->transfer_handler = interrupt_transfer; + } + + /* + * Reprogram registers only if + * 1. chip select changes + * 2. clk_div is changed + * 3. control value changes + */ + if (dw_readw(dws, ctrl0) != cr0 || cs_change || clk_div) { + spi_enable_chip(dws, 0); + + if (dw_readw(dws, ctrl0) != cr0) + dw_writew(dws, ctrl0, cr0); + + /* Set the interrupt mask, for poll mode just diable all int */ + spi_mask_intr(dws, 0xff); + if (!chip->poll_mode) + spi_umask_intr(dws, imask); + + spi_set_clk(dws, clk_div ? clk_div : chip->clk_div); + spi_chip_sel(dws, spi->chip_select); + spi_enable_chip(dws, 1); + + if (cs_change) + dws->prev_chip = chip; + } + + if (dws->dma_mapped) + dma_transfer(dws, cs_change); + + if (chip->poll_mode) + poll_transfer(dws); + + return; + +early_exit: + giveback(dws); + return; +} + +static void pump_messages(struct work_struct *work) +{ + struct dw_spi *dws = + container_of(work, struct dw_spi, pump_messages); + unsigned long flags; + + /* Lock queue and check for queue work */ + spin_lock_irqsave(&dws->lock, flags); + if (list_empty(&dws->queue) || dws->run == QUEUE_STOPPED) { + dws->busy = 0; + spin_unlock_irqrestore(&dws->lock, flags); + return; + } + + /* Make sure we are not already running a message */ + if (dws->cur_msg) { + spin_unlock_irqrestore(&dws->lock, flags); + return; + } + + /* Extract head of queue */ + dws->cur_msg = list_entry(dws->queue.next, struct spi_message, queue); + list_del_init(&dws->cur_msg->queue); + + /* Initial message state*/ + dws->cur_msg->state = START_STATE; + dws->cur_transfer = list_entry(dws->cur_msg->transfers.next, + struct spi_transfer, + transfer_list); + dws->cur_chip = spi_get_ctldata(dws->cur_msg->spi); + + /* Mark as busy and launch transfers */ + tasklet_schedule(&dws->pump_transfers); + + dws->busy = 1; + spin_unlock_irqrestore(&dws->lock, flags); +} + +/* spi_device use this to queue in their spi_msg */ +static int dw_spi_transfer(struct spi_device *spi, struct spi_message *msg) +{ + struct dw_spi *dws = spi_master_get_devdata(spi->master); + unsigned long flags; + + spin_lock_irqsave(&dws->lock, flags); + + if (dws->run == QUEUE_STOPPED) { + spin_unlock_irqrestore(&dws->lock, flags); + return -ESHUTDOWN; + } + + msg->actual_length = 0; + msg->status = -EINPROGRESS; + msg->state = START_STATE; + + list_add_tail(&msg->queue, &dws->queue); + + if (dws->run == QUEUE_RUNNING && !dws->busy) { + + if (dws->cur_transfer || dws->cur_msg) + queue_work(dws->workqueue, + &dws->pump_messages); + else { + /* If no other data transaction in air, just go */ + spin_unlock_irqrestore(&dws->lock, flags); + pump_messages(&dws->pump_messages); + return 0; + } + } + + spin_unlock_irqrestore(&dws->lock, flags); + return 0; +} + +/* This may be called twice for each spi dev */ +static int dw_spi_setup(struct spi_device *spi) +{ + struct dw_spi_chip *chip_info = NULL; + struct chip_data *chip; + + if (spi->bits_per_word != 8 && spi->bits_per_word != 16) + return -EINVAL; + + /* Only alloc on first setup */ + chip = spi_get_ctldata(spi); + if (!chip) { + chip = kzalloc(sizeof(struct chip_data), GFP_KERNEL); + if (!chip) + return -ENOMEM; + + chip->cs_control = null_cs_control; + chip->enable_dma = 0; + } + + /* + * Protocol drivers may change the chip settings, so... + * if chip_info exists, use it + */ + chip_info = spi->controller_data; + + /* chip_info doesn't always exist */ + if (chip_info) { + if (chip_info->cs_control) + chip->cs_control = chip_info->cs_control; + + chip->poll_mode = chip_info->poll_mode; + chip->type = chip_info->type; + + chip->rx_threshold = 0; + chip->tx_threshold = 0; + + chip->enable_dma = chip_info->enable_dma; + } + + if (spi->bits_per_word <= 8) { + chip->n_bytes = 1; + chip->dma_width = 1; + chip->read = u8_reader; + chip->write = u8_writer; + } else if (spi->bits_per_word <= 16) { + chip->n_bytes = 2; + chip->dma_width = 2; + chip->read = u16_reader; + chip->write = u16_writer; + } else { + /* Never take >16b case for MRST SPIC */ + dev_err(&spi->dev, "invalid wordsize\n"); + return -EINVAL; + } + chip->bits_per_word = spi->bits_per_word; + + chip->speed_hz = spi->max_speed_hz; + if (chip->speed_hz) + chip->clk_div = 25000000 / chip->speed_hz; + else + chip->clk_div = 8; /* default value */ + + chip->tmode = 0; /* Tx & Rx */ + /* Default SPI mode is SCPOL = 0, SCPH = 0 */ + chip->cr0 = (chip->bits_per_word - 1) + | (chip->type << SPI_FRF_OFFSET) + | (spi->mode << SPI_MODE_OFFSET) + | (chip->tmode << SPI_TMOD_OFFSET); + + spi_set_ctldata(spi, chip); + return 0; +} + +static void dw_spi_cleanup(struct spi_device *spi) +{ + struct chip_data *chip = spi_get_ctldata(spi); + kfree(chip); +} + +static int __init init_queue(struct dw_spi *dws) +{ + INIT_LIST_HEAD(&dws->queue); + spin_lock_init(&dws->lock); + + dws->run = QUEUE_STOPPED; + dws->busy = 0; + + tasklet_init(&dws->pump_transfers, + pump_transfers, (unsigned long)dws); + + INIT_WORK(&dws->pump_messages, pump_messages); + dws->workqueue = create_singlethread_workqueue( + dev_name(dws->master->dev.parent)); + if (dws->workqueue == NULL) + return -EBUSY; + + return 0; +} + +static int start_queue(struct dw_spi *dws) +{ + unsigned long flags; + + spin_lock_irqsave(&dws->lock, flags); + + if (dws->run == QUEUE_RUNNING || dws->busy) { + spin_unlock_irqrestore(&dws->lock, flags); + return -EBUSY; + } + + dws->run = QUEUE_RUNNING; + dws->cur_msg = NULL; + dws->cur_transfer = NULL; + dws->cur_chip = NULL; + dws->prev_chip = NULL; + spin_unlock_irqrestore(&dws->lock, flags); + + queue_work(dws->workqueue, &dws->pump_messages); + + return 0; +} + +static int stop_queue(struct dw_spi *dws) +{ + unsigned long flags; + unsigned limit = 50; + int status = 0; + + spin_lock_irqsave(&dws->lock, flags); + dws->run = QUEUE_STOPPED; + while (!list_empty(&dws->queue) && dws->busy && limit--) { + spin_unlock_irqrestore(&dws->lock, flags); + msleep(10); + spin_lock_irqsave(&dws->lock, flags); + } + + if (!list_empty(&dws->queue) || dws->busy) + status = -EBUSY; + spin_unlock_irqrestore(&dws->lock, flags); + + return status; +} + +static int destroy_queue(struct dw_spi *dws) +{ + int status; + + status = stop_queue(dws); + if (status != 0) + return status; + destroy_workqueue(dws->workqueue); + return 0; +} + +/* Restart the controller, disable all interrupts, clean rx fifo */ +static void spi_hw_init(struct dw_spi *dws) +{ + spi_enable_chip(dws, 0); + spi_mask_intr(dws, 0xff); + spi_enable_chip(dws, 1); + flush(dws); +} + +int __devinit dw_spi_add_host(struct dw_spi *dws) +{ + struct spi_master *master; + int ret; + + BUG_ON(dws == NULL); + + master = spi_alloc_master(dws->parent_dev, 0); + if (!master) { + ret = -ENOMEM; + goto exit; + } + + dws->master = master; + dws->type = SSI_MOTO_SPI; + dws->prev_chip = NULL; + dws->dma_inited = 0; + dws->dma_addr = (dma_addr_t)(dws->paddr + 0x60); + + ret = request_irq(dws->irq, dw_spi_irq, 0, + "dw_spi", dws); + if (ret < 0) { + dev_err(&master->dev, "can not get IRQ\n"); + goto err_free_master; + } + + master->mode_bits = SPI_CPOL | SPI_CPHA; + master->bus_num = dws->bus_num; + master->num_chipselect = dws->num_cs; + master->cleanup = dw_spi_cleanup; + master->setup = dw_spi_setup; + master->transfer = dw_spi_transfer; + + dws->dma_inited = 0; + + /* Basic HW init */ + spi_hw_init(dws); + + /* Initial and start queue */ + ret = init_queue(dws); + if (ret) { + dev_err(&master->dev, "problem initializing queue\n"); + goto err_diable_hw; + } + ret = start_queue(dws); + if (ret) { + dev_err(&master->dev, "problem starting queue\n"); + goto err_diable_hw; + } + + spi_master_set_devdata(master, dws); + ret = spi_register_master(master); + if (ret) { + dev_err(&master->dev, "problem registering spi master\n"); + goto err_queue_alloc; + } + + mrst_spi_debugfs_init(dws); + return 0; + +err_queue_alloc: + destroy_queue(dws); +err_diable_hw: + spi_enable_chip(dws, 0); + free_irq(dws->irq, dws); +err_free_master: + spi_master_put(master); +exit: + return ret; +} +EXPORT_SYMBOL(dw_spi_add_host); + +void __devexit dw_spi_remove_host(struct dw_spi *dws) +{ + int status = 0; + + if (!dws) + return; + mrst_spi_debugfs_remove(dws); + + /* Remove the queue */ + status = destroy_queue(dws); + if (status != 0) + dev_err(&dws->master->dev, "dw_spi_remove: workqueue will not " + "complete, message memory not freed\n"); + + spi_enable_chip(dws, 0); + /* Disable clk */ + spi_set_clk(dws, 0); + free_irq(dws->irq, dws); + + /* Disconnect from the SPI framework */ + spi_unregister_master(dws->master); +} + +int dw_spi_suspend_host(struct dw_spi *dws) +{ + int ret = 0; + + ret = stop_queue(dws); + if (ret) + return ret; + spi_enable_chip(dws, 0); + spi_set_clk(dws, 0); + return ret; +} +EXPORT_SYMBOL(dw_spi_suspend_host); + +int dw_spi_resume_host(struct dw_spi *dws) +{ + int ret; + + spi_hw_init(dws); + ret = start_queue(dws); + if (ret) + dev_err(&dws->master->dev, "fail to start queue (%d)\n", ret); + return ret; +} +EXPORT_SYMBOL(dw_spi_resume_host); + +MODULE_AUTHOR("Feng Tang <feng.tang@intel.com>"); +MODULE_DESCRIPTION("Driver for DesignWare SPI controller core"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/spi/dw_spi_pci.c b/drivers/spi/dw_spi_pci.c new file mode 100644 index 00000000000..34ba6916173 --- /dev/null +++ b/drivers/spi/dw_spi_pci.c @@ -0,0 +1,169 @@ +/* + * mrst_spi_pci.c - PCI interface driver for DW SPI Core + * + * Copyright (c) 2009, Intel Corporation. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#include <linux/interrupt.h> +#include <linux/pci.h> +#include <linux/spi/dw_spi.h> +#include <linux/spi/spi.h> + +#define DRIVER_NAME "dw_spi_pci" + +struct dw_spi_pci { + struct pci_dev *pdev; + struct dw_spi dws; +}; + +static int __devinit spi_pci_probe(struct pci_dev *pdev, + const struct pci_device_id *ent) +{ + struct dw_spi_pci *dwpci; + struct dw_spi *dws; + int pci_bar = 0; + int ret; + + printk(KERN_INFO "DW: found PCI SPI controller(ID: %04x:%04x)\n", + pdev->vendor, pdev->device); + + ret = pci_enable_device(pdev); + if (ret) + return ret; + + dwpci = kzalloc(sizeof(struct dw_spi_pci), GFP_KERNEL); + if (!dwpci) { + ret = -ENOMEM; + goto err_disable; + } + + dwpci->pdev = pdev; + dws = &dwpci->dws; + + /* Get basic io resource and map it */ + dws->paddr = pci_resource_start(pdev, pci_bar); + dws->iolen = pci_resource_len(pdev, pci_bar); + + ret = pci_request_region(pdev, pci_bar, dev_name(&pdev->dev)); + if (ret) + goto err_kfree; + + dws->regs = ioremap_nocache((unsigned long)dws->paddr, + pci_resource_len(pdev, pci_bar)); + if (!dws->regs) { + ret = -ENOMEM; + goto err_release_reg; + } + + dws->parent_dev = &pdev->dev; + dws->bus_num = 0; + dws->num_cs = 4; + dws->max_freq = 25000000; /* for Moorestwon */ + dws->irq = pdev->irq; + + ret = dw_spi_add_host(dws); + if (ret) + goto err_unmap; + + /* PCI hook and SPI hook use the same drv data */ + pci_set_drvdata(pdev, dwpci); + return 0; + +err_unmap: + iounmap(dws->regs); +err_release_reg: + pci_release_region(pdev, pci_bar); +err_kfree: + kfree(dwpci); +err_disable: + pci_disable_device(pdev); + return ret; +} + +static void __devexit spi_pci_remove(struct pci_dev *pdev) +{ + struct dw_spi_pci *dwpci = pci_get_drvdata(pdev); + + pci_set_drvdata(pdev, NULL); + iounmap(dwpci->dws.regs); + pci_release_region(pdev, 0); + kfree(dwpci); + pci_disable_device(pdev); +} + +#ifdef CONFIG_PM +static int spi_suspend(struct pci_dev *pdev, pm_message_t state) +{ + struct dw_spi_pci *dwpci = pci_get_drvdata(pdev); + int ret; + + ret = dw_spi_suspend_host(&dwpci->dws); + if (ret) + return ret; + pci_save_state(pdev); + pci_disable_device(pdev); + pci_set_power_state(pdev, pci_choose_state(pdev, state)); + return ret; +} + +static int spi_resume(struct pci_dev *pdev) +{ + struct dw_spi_pci *dwpci = pci_get_drvdata(pdev); + int ret; + + pci_set_power_state(pdev, PCI_D0); + pci_restore_state(pdev); + ret = pci_enable_device(pdev); + if (ret) + return ret; + return dw_spi_resume_host(&dwpci->dws); +} +#else +#define spi_suspend NULL +#define spi_resume NULL +#endif + +static const struct pci_device_id pci_ids[] __devinitdata = { + /* Intel Moorestown platform SPI controller 0 */ + { PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x0800) }, + {}, +}; + +static struct pci_driver dw_spi_driver = { + .name = DRIVER_NAME, + .id_table = pci_ids, + .probe = spi_pci_probe, + .remove = __devexit_p(spi_pci_remove), + .suspend = spi_suspend, + .resume = spi_resume, +}; + +static int __init mrst_spi_init(void) +{ + return pci_register_driver(&dw_spi_driver); +} + +static void __exit mrst_spi_exit(void) +{ + pci_unregister_driver(&dw_spi_driver); +} + +module_init(mrst_spi_init); +module_exit(mrst_spi_exit); + +MODULE_AUTHOR("Feng Tang <feng.tang@intel.com>"); +MODULE_DESCRIPTION("PCI interface driver for DW SPI Core"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/spi/spi_bfin5xx.c b/drivers/spi/spi_bfin5xx.c index 73e24ef5a2f..1d41058bbab 100644 --- a/drivers/spi/spi_bfin5xx.c +++ b/drivers/spi/spi_bfin5xx.c @@ -1294,7 +1294,7 @@ static int __init bfin_spi_probe(struct platform_device *pdev) goto out_error_get_res; } - drv_data->regs_base = ioremap(res->start, (res->end - res->start + 1)); + drv_data->regs_base = ioremap(res->start, resource_size(res)); if (drv_data->regs_base == NULL) { dev_err(dev, "Cannot map IO\n"); status = -ENXIO; diff --git a/drivers/spi/spi_mpc8xxx.c b/drivers/spi/spi_mpc8xxx.c index e9390d747bf..1fb2a6ea328 100644 --- a/drivers/spi/spi_mpc8xxx.c +++ b/drivers/spi/spi_mpc8xxx.c @@ -1013,7 +1013,7 @@ mpc8xxx_spi_probe(struct device *dev, struct resource *mem, unsigned int irq) init_completion(&mpc8xxx_spi->done); - mpc8xxx_spi->base = ioremap(mem->start, mem->end - mem->start + 1); + mpc8xxx_spi->base = ioremap(mem->start, resource_size(mem)); if (mpc8xxx_spi->base == NULL) { ret = -ENOMEM; goto err_ioremap; diff --git a/drivers/spi/spi_s3c24xx.c b/drivers/spi/spi_s3c24xx.c index 276591569c8..c010733877a 100644 --- a/drivers/spi/spi_s3c24xx.c +++ b/drivers/spi/spi_s3c24xx.c @@ -1,7 +1,7 @@ /* linux/drivers/spi/spi_s3c24xx.c * * Copyright (c) 2006 Ben Dooks - * Copyright (c) 2006 Simtec Electronics + * Copyright 2006-2009 Simtec Electronics * Ben Dooks <ben@simtec.co.uk> * * This program is free software; you can redistribute it and/or modify @@ -28,6 +28,11 @@ #include <plat/regs-spi.h> #include <mach/spi.h> +#include <plat/fiq.h> +#include <asm/fiq.h> + +#include "spi_s3c24xx_fiq.h" + /** * s3c24xx_spi_devstate - per device data * @hz: Last frequency calculated for @sppre field. @@ -42,6 +47,13 @@ struct s3c24xx_spi_devstate { u8 sppre; }; +enum spi_fiq_mode { + FIQ_MODE_NONE = 0, + FIQ_MODE_TX = 1, + FIQ_MODE_RX = 2, + FIQ_MODE_TXRX = 3, +}; + struct s3c24xx_spi { /* bitbang has to be first */ struct spi_bitbang bitbang; @@ -52,6 +64,11 @@ struct s3c24xx_spi { int len; int count; + struct fiq_handler fiq_handler; + enum spi_fiq_mode fiq_mode; + unsigned char fiq_inuse; + unsigned char fiq_claimed; + void (*set_cs)(struct s3c2410_spi_info *spi, int cs, int pol); @@ -67,6 +84,7 @@ struct s3c24xx_spi { struct s3c2410_spi_info *pdata; }; + #define SPCON_DEFAULT (S3C2410_SPCON_MSTR | S3C2410_SPCON_SMOD_INT) #define SPPIN_DEFAULT (S3C2410_SPPIN_KEEP) @@ -127,7 +145,7 @@ static int s3c24xx_spi_update_state(struct spi_device *spi, } if (spi->mode != cs->mode) { - u8 spcon = SPCON_DEFAULT; + u8 spcon = SPCON_DEFAULT | S3C2410_SPCON_ENSCK; if (spi->mode & SPI_CPHA) spcon |= S3C2410_SPCON_CPHA_FMTB; @@ -214,13 +232,196 @@ static inline unsigned int hw_txbyte(struct s3c24xx_spi *hw, int count) return hw->tx ? hw->tx[count] : 0; } +#ifdef CONFIG_SPI_S3C24XX_FIQ +/* Support for FIQ based pseudo-DMA to improve the transfer speed. + * + * This code uses the assembly helper in spi_s3c24xx_spi.S which is + * used by the FIQ core to move data between main memory and the peripheral + * block. Since this is code running on the processor, there is no problem + * with cache coherency of the buffers, so we can use any buffer we like. + */ + +/** + * struct spi_fiq_code - FIQ code and header + * @length: The length of the code fragment, excluding this header. + * @ack_offset: The offset from @data to the word to place the IRQ ACK bit at. + * @data: The code itself to install as a FIQ handler. + */ +struct spi_fiq_code { + u32 length; + u32 ack_offset; + u8 data[0]; +}; + +extern struct spi_fiq_code s3c24xx_spi_fiq_txrx; +extern struct spi_fiq_code s3c24xx_spi_fiq_tx; +extern struct spi_fiq_code s3c24xx_spi_fiq_rx; + +/** + * ack_bit - turn IRQ into IRQ acknowledgement bit + * @irq: The interrupt number + * + * Returns the bit to write to the interrupt acknowledge register. + */ +static inline u32 ack_bit(unsigned int irq) +{ + return 1 << (irq - IRQ_EINT0); +} + +/** + * s3c24xx_spi_tryfiq - attempt to claim and setup FIQ for transfer + * @hw: The hardware state. + * + * Claim the FIQ handler (only one can be active at any one time) and + * then setup the correct transfer code for this transfer. + * + * This call updates all the necessary state information if sucessful, + * so the caller does not need to do anything more than start the transfer + * as normal, since the IRQ will have been re-routed to the FIQ handler. +*/ +void s3c24xx_spi_tryfiq(struct s3c24xx_spi *hw) +{ + struct pt_regs regs; + enum spi_fiq_mode mode; + struct spi_fiq_code *code; + int ret; + + if (!hw->fiq_claimed) { + /* try and claim fiq if we haven't got it, and if not + * then return and simply use another transfer method */ + + ret = claim_fiq(&hw->fiq_handler); + if (ret) + return; + } + + if (hw->tx && !hw->rx) + mode = FIQ_MODE_TX; + else if (hw->rx && !hw->tx) + mode = FIQ_MODE_RX; + else + mode = FIQ_MODE_TXRX; + + regs.uregs[fiq_rspi] = (long)hw->regs; + regs.uregs[fiq_rrx] = (long)hw->rx; + regs.uregs[fiq_rtx] = (long)hw->tx + 1; + regs.uregs[fiq_rcount] = hw->len - 1; + regs.uregs[fiq_rirq] = (long)S3C24XX_VA_IRQ; + + set_fiq_regs(®s); + + if (hw->fiq_mode != mode) { + u32 *ack_ptr; + + hw->fiq_mode = mode; + + switch (mode) { + case FIQ_MODE_TX: + code = &s3c24xx_spi_fiq_tx; + break; + case FIQ_MODE_RX: + code = &s3c24xx_spi_fiq_rx; + break; + case FIQ_MODE_TXRX: + code = &s3c24xx_spi_fiq_txrx; + break; + default: + code = NULL; + } + + BUG_ON(!code); + + ack_ptr = (u32 *)&code->data[code->ack_offset]; + *ack_ptr = ack_bit(hw->irq); + + set_fiq_handler(&code->data, code->length); + } + + s3c24xx_set_fiq(hw->irq, true); + + hw->fiq_mode = mode; + hw->fiq_inuse = 1; +} + +/** + * s3c24xx_spi_fiqop - FIQ core code callback + * @pw: Data registered with the handler + * @release: Whether this is a release or a return. + * + * Called by the FIQ code when another module wants to use the FIQ, so + * return whether we are currently using this or not and then update our + * internal state. + */ +static int s3c24xx_spi_fiqop(void *pw, int release) +{ + struct s3c24xx_spi *hw = pw; + int ret = 0; + + if (release) { + if (hw->fiq_inuse) + ret = -EBUSY; + + /* note, we do not need to unroute the FIQ, as the FIQ + * vector code de-routes it to signal the end of transfer */ + + hw->fiq_mode = FIQ_MODE_NONE; + hw->fiq_claimed = 0; + } else { + hw->fiq_claimed = 1; + } + + return ret; +} + +/** + * s3c24xx_spi_initfiq - setup the information for the FIQ core + * @hw: The hardware state. + * + * Setup the fiq_handler block to pass to the FIQ core. + */ +static inline void s3c24xx_spi_initfiq(struct s3c24xx_spi *hw) +{ + hw->fiq_handler.dev_id = hw; + hw->fiq_handler.name = dev_name(hw->dev); + hw->fiq_handler.fiq_op = s3c24xx_spi_fiqop; +} + +/** + * s3c24xx_spi_usefiq - return if we should be using FIQ. + * @hw: The hardware state. + * + * Return true if the platform data specifies whether this channel is + * allowed to use the FIQ. + */ +static inline bool s3c24xx_spi_usefiq(struct s3c24xx_spi *hw) +{ + return hw->pdata->use_fiq; +} + +/** + * s3c24xx_spi_usingfiq - return if channel is using FIQ + * @spi: The hardware state. + * + * Return whether the channel is currently using the FIQ (separate from + * whether the FIQ is claimed). + */ +static inline bool s3c24xx_spi_usingfiq(struct s3c24xx_spi *spi) +{ + return spi->fiq_inuse; +} +#else + +static inline void s3c24xx_spi_initfiq(struct s3c24xx_spi *s) { } +static inline void s3c24xx_spi_tryfiq(struct s3c24xx_spi *s) { } +static inline bool s3c24xx_spi_usefiq(struct s3c24xx_spi *s) { return false; } +static inline bool s3c24xx_spi_usingfiq(struct s3c24xx_spi *s) { return false; } + +#endif /* CONFIG_SPI_S3C24XX_FIQ */ + static int s3c24xx_spi_txrx(struct spi_device *spi, struct spi_transfer *t) { struct s3c24xx_spi *hw = to_hw(spi); - dev_dbg(&spi->dev, "txrx: tx %p, rx %p, len %d\n", - t->tx_buf, t->rx_buf, t->len); - hw->tx = t->tx_buf; hw->rx = t->rx_buf; hw->len = t->len; @@ -228,11 +429,14 @@ static int s3c24xx_spi_txrx(struct spi_device *spi, struct spi_transfer *t) init_completion(&hw->done); + hw->fiq_inuse = 0; + if (s3c24xx_spi_usefiq(hw) && t->len >= 3) + s3c24xx_spi_tryfiq(hw); + /* send the first byte */ writeb(hw_txbyte(hw, 0), hw->regs + S3C2410_SPTDAT); wait_for_completion(&hw->done); - return hw->count; } @@ -254,17 +458,27 @@ static irqreturn_t s3c24xx_spi_irq(int irq, void *dev) goto irq_done; } - hw->count++; + if (!s3c24xx_spi_usingfiq(hw)) { + hw->count++; - if (hw->rx) - hw->rx[count] = readb(hw->regs + S3C2410_SPRDAT); + if (hw->rx) + hw->rx[count] = readb(hw->regs + S3C2410_SPRDAT); - count++; + count++; + + if (count < hw->len) + writeb(hw_txbyte(hw, count), hw->regs + S3C2410_SPTDAT); + else + complete(&hw->done); + } else { + hw->count = hw->len; + hw->fiq_inuse = 0; + + if (hw->rx) + hw->rx[hw->len-1] = readb(hw->regs + S3C2410_SPRDAT); - if (count < hw->len) - writeb(hw_txbyte(hw, count), hw->regs + S3C2410_SPTDAT); - else complete(&hw->done); + } irq_done: return IRQ_HANDLED; @@ -322,6 +536,10 @@ static int __init s3c24xx_spi_probe(struct platform_device *pdev) platform_set_drvdata(pdev, hw); init_completion(&hw->done); + /* initialise fiq handler */ + + s3c24xx_spi_initfiq(hw); + /* setup the master state. */ /* the spi->mode bits understood by this driver: */ diff --git a/drivers/spi/spi_s3c24xx_fiq.S b/drivers/spi/spi_s3c24xx_fiq.S new file mode 100644 index 00000000000..3793cae361d --- /dev/null +++ b/drivers/spi/spi_s3c24xx_fiq.S @@ -0,0 +1,116 @@ +/* linux/drivers/spi/spi_s3c24xx_fiq.S + * + * Copyright 2009 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * + * S3C24XX SPI - FIQ pseudo-DMA transfer code + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include <linux/linkage.h> +#include <asm/assembler.h> + +#include <mach/map.h> +#include <mach/regs-irq.h> +#include <plat/regs-spi.h> + +#include "spi_s3c24xx_fiq.h" + + .text + + @ entry to these routines is as follows, with the register names + @ defined in fiq.h so that they can be shared with the C files which + @ setup the calling registers. + @ + @ fiq_rirq The base of the IRQ registers to find S3C2410_SRCPND + @ fiq_rtmp Temporary register to hold tx/rx data + @ fiq_rspi The base of the SPI register block + @ fiq_rtx The tx buffer pointer + @ fiq_rrx The rx buffer pointer + @ fiq_rcount The number of bytes to move + + @ each entry starts with a word entry of how long it is + @ and an offset to the irq acknowledgment word + +ENTRY(s3c24xx_spi_fiq_rx) +s3c24xx_spi_fix_rx: + .word fiq_rx_end - fiq_rx_start + .word fiq_rx_irq_ack - fiq_rx_start +fiq_rx_start: + ldr fiq_rtmp, fiq_rx_irq_ack + str fiq_rtmp, [ fiq_rirq, # S3C2410_SRCPND - S3C24XX_VA_IRQ ] + + ldrb fiq_rtmp, [ fiq_rspi, # S3C2410_SPRDAT ] + strb fiq_rtmp, [ fiq_rrx ], #1 + + mov fiq_rtmp, #0xff + strb fiq_rtmp, [ fiq_rspi, # S3C2410_SPTDAT ] + + subs fiq_rcount, fiq_rcount, #1 + subnes pc, lr, #4 @@ return, still have work to do + + @@ set IRQ controller so that next op will trigger IRQ + mov fiq_rtmp, #0 + str fiq_rtmp, [ fiq_rirq, # S3C2410_INTMOD - S3C24XX_VA_IRQ ] + subs pc, lr, #4 + +fiq_rx_irq_ack: + .word 0 +fiq_rx_end: + +ENTRY(s3c24xx_spi_fiq_txrx) +s3c24xx_spi_fiq_txrx: + .word fiq_txrx_end - fiq_txrx_start + .word fiq_txrx_irq_ack - fiq_txrx_start +fiq_txrx_start: + + ldrb fiq_rtmp, [ fiq_rspi, # S3C2410_SPRDAT ] + strb fiq_rtmp, [ fiq_rrx ], #1 + + ldr fiq_rtmp, fiq_txrx_irq_ack + str fiq_rtmp, [ fiq_rirq, # S3C2410_SRCPND - S3C24XX_VA_IRQ ] + + ldrb fiq_rtmp, [ fiq_rtx ], #1 + strb fiq_rtmp, [ fiq_rspi, # S3C2410_SPTDAT ] + + subs fiq_rcount, fiq_rcount, #1 + subnes pc, lr, #4 @@ return, still have work to do + + mov fiq_rtmp, #0 + str fiq_rtmp, [ fiq_rirq, # S3C2410_INTMOD - S3C24XX_VA_IRQ ] + subs pc, lr, #4 + +fiq_txrx_irq_ack: + .word 0 + +fiq_txrx_end: + +ENTRY(s3c24xx_spi_fiq_tx) +s3c24xx_spi_fix_tx: + .word fiq_tx_end - fiq_tx_start + .word fiq_tx_irq_ack - fiq_tx_start +fiq_tx_start: + ldrb fiq_rtmp, [ fiq_rspi, # S3C2410_SPRDAT ] + + ldr fiq_rtmp, fiq_tx_irq_ack + str fiq_rtmp, [ fiq_rirq, # S3C2410_SRCPND - S3C24XX_VA_IRQ ] + + ldrb fiq_rtmp, [ fiq_rtx ], #1 + strb fiq_rtmp, [ fiq_rspi, # S3C2410_SPTDAT ] + + subs fiq_rcount, fiq_rcount, #1 + subnes pc, lr, #4 @@ return, still have work to do + + mov fiq_rtmp, #0 + str fiq_rtmp, [ fiq_rirq, # S3C2410_INTMOD - S3C24XX_VA_IRQ ] + subs pc, lr, #4 + +fiq_tx_irq_ack: + .word 0 + +fiq_tx_end: + + .end diff --git a/drivers/spi/spi_s3c24xx_fiq.h b/drivers/spi/spi_s3c24xx_fiq.h new file mode 100644 index 00000000000..a5950bb25b5 --- /dev/null +++ b/drivers/spi/spi_s3c24xx_fiq.h @@ -0,0 +1,26 @@ +/* linux/drivers/spi/spi_s3c24xx_fiq.h + * + * Copyright 2009 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * + * S3C24XX SPI - FIQ pseudo-DMA transfer support + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +/* We have R8 through R13 to play with */ + +#ifdef __ASSEMBLY__ +#define __REG_NR(x) r##x +#else +#define __REG_NR(x) (x) +#endif + +#define fiq_rspi __REG_NR(8) +#define fiq_rtmp __REG_NR(9) +#define fiq_rrx __REG_NR(10) +#define fiq_rtx __REG_NR(11) +#define fiq_rcount __REG_NR(12) +#define fiq_rirq __REG_NR(13) diff --git a/drivers/spi/spi_s3c64xx.c b/drivers/spi/spi_s3c64xx.c new file mode 100644 index 00000000000..88a456dba96 --- /dev/null +++ b/drivers/spi/spi_s3c64xx.c @@ -0,0 +1,1196 @@ +/* linux/drivers/spi/spi_s3c64xx.c + * + * Copyright (C) 2009 Samsung Electronics Ltd. + * Jaswinder Singh <jassi.brar@samsung.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include <linux/init.h> +#include <linux/module.h> +#include <linux/workqueue.h> +#include <linux/delay.h> +#include <linux/clk.h> +#include <linux/dma-mapping.h> +#include <linux/platform_device.h> +#include <linux/spi/spi.h> + +#include <mach/dma.h> +#include <plat/spi.h> + +/* Registers and bit-fields */ + +#define S3C64XX_SPI_CH_CFG 0x00 +#define S3C64XX_SPI_CLK_CFG 0x04 +#define S3C64XX_SPI_MODE_CFG 0x08 +#define S3C64XX_SPI_SLAVE_SEL 0x0C +#define S3C64XX_SPI_INT_EN 0x10 +#define S3C64XX_SPI_STATUS 0x14 +#define S3C64XX_SPI_TX_DATA 0x18 +#define S3C64XX_SPI_RX_DATA 0x1C +#define S3C64XX_SPI_PACKET_CNT 0x20 +#define S3C64XX_SPI_PENDING_CLR 0x24 +#define S3C64XX_SPI_SWAP_CFG 0x28 +#define S3C64XX_SPI_FB_CLK 0x2C + +#define S3C64XX_SPI_CH_HS_EN (1<<6) /* High Speed Enable */ +#define S3C64XX_SPI_CH_SW_RST (1<<5) +#define S3C64XX_SPI_CH_SLAVE (1<<4) +#define S3C64XX_SPI_CPOL_L (1<<3) +#define S3C64XX_SPI_CPHA_B (1<<2) +#define S3C64XX_SPI_CH_RXCH_ON (1<<1) +#define S3C64XX_SPI_CH_TXCH_ON (1<<0) + +#define S3C64XX_SPI_CLKSEL_SRCMSK (3<<9) +#define S3C64XX_SPI_CLKSEL_SRCSHFT 9 +#define S3C64XX_SPI_ENCLK_ENABLE (1<<8) +#define S3C64XX_SPI_PSR_MASK 0xff + +#define S3C64XX_SPI_MODE_CH_TSZ_BYTE (0<<29) +#define S3C64XX_SPI_MODE_CH_TSZ_HALFWORD (1<<29) +#define S3C64XX_SPI_MODE_CH_TSZ_WORD (2<<29) +#define S3C64XX_SPI_MODE_CH_TSZ_MASK (3<<29) +#define S3C64XX_SPI_MODE_BUS_TSZ_BYTE (0<<17) +#define S3C64XX_SPI_MODE_BUS_TSZ_HALFWORD (1<<17) +#define S3C64XX_SPI_MODE_BUS_TSZ_WORD (2<<17) +#define S3C64XX_SPI_MODE_BUS_TSZ_MASK (3<<17) +#define S3C64XX_SPI_MODE_RXDMA_ON (1<<2) +#define S3C64XX_SPI_MODE_TXDMA_ON (1<<1) +#define S3C64XX_SPI_MODE_4BURST (1<<0) + +#define S3C64XX_SPI_SLAVE_AUTO (1<<1) +#define S3C64XX_SPI_SLAVE_SIG_INACT (1<<0) + +#define S3C64XX_SPI_ACT(c) writel(0, (c)->regs + S3C64XX_SPI_SLAVE_SEL) + +#define S3C64XX_SPI_DEACT(c) writel(S3C64XX_SPI_SLAVE_SIG_INACT, \ + (c)->regs + S3C64XX_SPI_SLAVE_SEL) + +#define S3C64XX_SPI_INT_TRAILING_EN (1<<6) +#define S3C64XX_SPI_INT_RX_OVERRUN_EN (1<<5) +#define S3C64XX_SPI_INT_RX_UNDERRUN_EN (1<<4) +#define S3C64XX_SPI_INT_TX_OVERRUN_EN (1<<3) +#define S3C64XX_SPI_INT_TX_UNDERRUN_EN (1<<2) +#define S3C64XX_SPI_INT_RX_FIFORDY_EN (1<<1) +#define S3C64XX_SPI_INT_TX_FIFORDY_EN (1<<0) + +#define S3C64XX_SPI_ST_RX_OVERRUN_ERR (1<<5) +#define S3C64XX_SPI_ST_RX_UNDERRUN_ERR (1<<4) +#define S3C64XX_SPI_ST_TX_OVERRUN_ERR (1<<3) +#define S3C64XX_SPI_ST_TX_UNDERRUN_ERR (1<<2) +#define S3C64XX_SPI_ST_RX_FIFORDY (1<<1) +#define S3C64XX_SPI_ST_TX_FIFORDY (1<<0) + +#define S3C64XX_SPI_PACKET_CNT_EN (1<<16) + +#define S3C64XX_SPI_PND_TX_UNDERRUN_CLR (1<<4) +#define S3C64XX_SPI_PND_TX_OVERRUN_CLR (1<<3) +#define S3C64XX_SPI_PND_RX_UNDERRUN_CLR (1<<2) +#define S3C64XX_SPI_PND_RX_OVERRUN_CLR (1<<1) +#define S3C64XX_SPI_PND_TRAILING_CLR (1<<0) + +#define S3C64XX_SPI_SWAP_RX_HALF_WORD (1<<7) +#define S3C64XX_SPI_SWAP_RX_BYTE (1<<6) +#define S3C64XX_SPI_SWAP_RX_BIT (1<<5) +#define S3C64XX_SPI_SWAP_RX_EN (1<<4) +#define S3C64XX_SPI_SWAP_TX_HALF_WORD (1<<3) +#define S3C64XX_SPI_SWAP_TX_BYTE (1<<2) +#define S3C64XX_SPI_SWAP_TX_BIT (1<<1) +#define S3C64XX_SPI_SWAP_TX_EN (1<<0) + +#define S3C64XX_SPI_FBCLK_MSK (3<<0) + +#define S3C64XX_SPI_ST_TRLCNTZ(v, i) ((((v) >> (i)->rx_lvl_offset) & \ + (((i)->fifo_lvl_mask + 1))) \ + ? 1 : 0) + +#define S3C64XX_SPI_ST_TX_DONE(v, i) ((((v) >> (i)->rx_lvl_offset) & \ + (((i)->fifo_lvl_mask + 1) << 1)) \ + ? 1 : 0) +#define TX_FIFO_LVL(v, i) (((v) >> 6) & (i)->fifo_lvl_mask) +#define RX_FIFO_LVL(v, i) (((v) >> (i)->rx_lvl_offset) & (i)->fifo_lvl_mask) + +#define S3C64XX_SPI_MAX_TRAILCNT 0x3ff +#define S3C64XX_SPI_TRAILCNT_OFF 19 + +#define S3C64XX_SPI_TRAILCNT S3C64XX_SPI_MAX_TRAILCNT + +#define msecs_to_loops(t) (loops_per_jiffy / 1000 * HZ * t) + +#define SUSPND (1<<0) +#define SPIBUSY (1<<1) +#define RXBUSY (1<<2) +#define TXBUSY (1<<3) + +/** + * struct s3c64xx_spi_driver_data - Runtime info holder for SPI driver. + * @clk: Pointer to the spi clock. + * @master: Pointer to the SPI Protocol master. + * @workqueue: Work queue for the SPI xfer requests. + * @cntrlr_info: Platform specific data for the controller this driver manages. + * @tgl_spi: Pointer to the last CS left untoggled by the cs_change hint. + * @work: Work + * @queue: To log SPI xfer requests. + * @lock: Controller specific lock. + * @state: Set of FLAGS to indicate status. + * @rx_dmach: Controller's DMA channel for Rx. + * @tx_dmach: Controller's DMA channel for Tx. + * @sfr_start: BUS address of SPI controller regs. + * @regs: Pointer to ioremap'ed controller registers. + * @xfer_completion: To indicate completion of xfer task. + * @cur_mode: Stores the active configuration of the controller. + * @cur_bpw: Stores the active bits per word settings. + * @cur_speed: Stores the active xfer clock speed. + */ +struct s3c64xx_spi_driver_data { + void __iomem *regs; + struct clk *clk; + struct platform_device *pdev; + struct spi_master *master; + struct workqueue_struct *workqueue; + struct s3c64xx_spi_cntrlr_info *cntrlr_info; + struct spi_device *tgl_spi; + struct work_struct work; + struct list_head queue; + spinlock_t lock; + enum dma_ch rx_dmach; + enum dma_ch tx_dmach; + unsigned long sfr_start; + struct completion xfer_completion; + unsigned state; + unsigned cur_mode, cur_bpw; + unsigned cur_speed; +}; + +static struct s3c2410_dma_client s3c64xx_spi_dma_client = { + .name = "samsung-spi-dma", +}; + +static void flush_fifo(struct s3c64xx_spi_driver_data *sdd) +{ + struct s3c64xx_spi_cntrlr_info *sci = sdd->cntrlr_info; + void __iomem *regs = sdd->regs; + unsigned long loops; + u32 val; + + writel(0, regs + S3C64XX_SPI_PACKET_CNT); + + val = readl(regs + S3C64XX_SPI_CH_CFG); + val |= S3C64XX_SPI_CH_SW_RST; + val &= ~S3C64XX_SPI_CH_HS_EN; + writel(val, regs + S3C64XX_SPI_CH_CFG); + + /* Flush TxFIFO*/ + loops = msecs_to_loops(1); + do { + val = readl(regs + S3C64XX_SPI_STATUS); + } while (TX_FIFO_LVL(val, sci) && loops--); + + /* Flush RxFIFO*/ + loops = msecs_to_loops(1); + do { + val = readl(regs + S3C64XX_SPI_STATUS); + if (RX_FIFO_LVL(val, sci)) + readl(regs + S3C64XX_SPI_RX_DATA); + else + break; + } while (loops--); + + val = readl(regs + S3C64XX_SPI_CH_CFG); + val &= ~S3C64XX_SPI_CH_SW_RST; + writel(val, regs + S3C64XX_SPI_CH_CFG); + + val = readl(regs + S3C64XX_SPI_MODE_CFG); + val &= ~(S3C64XX_SPI_MODE_TXDMA_ON | S3C64XX_SPI_MODE_RXDMA_ON); + writel(val, regs + S3C64XX_SPI_MODE_CFG); + + val = readl(regs + S3C64XX_SPI_CH_CFG); + val &= ~(S3C64XX_SPI_CH_RXCH_ON | S3C64XX_SPI_CH_TXCH_ON); + writel(val, regs + S3C64XX_SPI_CH_CFG); +} + +static void enable_datapath(struct s3c64xx_spi_driver_data *sdd, + struct spi_device *spi, + struct spi_transfer *xfer, int dma_mode) +{ + struct s3c64xx_spi_cntrlr_info *sci = sdd->cntrlr_info; + void __iomem *regs = sdd->regs; + u32 modecfg, chcfg; + + modecfg = readl(regs + S3C64XX_SPI_MODE_CFG); + modecfg &= ~(S3C64XX_SPI_MODE_TXDMA_ON | S3C64XX_SPI_MODE_RXDMA_ON); + + chcfg = readl(regs + S3C64XX_SPI_CH_CFG); + chcfg &= ~S3C64XX_SPI_CH_TXCH_ON; + + if (dma_mode) { + chcfg &= ~S3C64XX_SPI_CH_RXCH_ON; + } else { + /* Always shift in data in FIFO, even if xfer is Tx only, + * this helps setting PCKT_CNT value for generating clocks + * as exactly needed. + */ + chcfg |= S3C64XX_SPI_CH_RXCH_ON; + writel(((xfer->len * 8 / sdd->cur_bpw) & 0xffff) + | S3C64XX_SPI_PACKET_CNT_EN, + regs + S3C64XX_SPI_PACKET_CNT); + } + + if (xfer->tx_buf != NULL) { + sdd->state |= TXBUSY; + chcfg |= S3C64XX_SPI_CH_TXCH_ON; + if (dma_mode) { + modecfg |= S3C64XX_SPI_MODE_TXDMA_ON; + s3c2410_dma_config(sdd->tx_dmach, 1); + s3c2410_dma_enqueue(sdd->tx_dmach, (void *)sdd, + xfer->tx_dma, xfer->len); + s3c2410_dma_ctrl(sdd->tx_dmach, S3C2410_DMAOP_START); + } else { + unsigned char *buf = (unsigned char *) xfer->tx_buf; + int i = 0; + while (i < xfer->len) + writeb(buf[i++], regs + S3C64XX_SPI_TX_DATA); + } + } + + if (xfer->rx_buf != NULL) { + sdd->state |= RXBUSY; + + if (sci->high_speed && sdd->cur_speed >= 30000000UL + && !(sdd->cur_mode & SPI_CPHA)) + chcfg |= S3C64XX_SPI_CH_HS_EN; + + if (dma_mode) { + modecfg |= S3C64XX_SPI_MODE_RXDMA_ON; + chcfg |= S3C64XX_SPI_CH_RXCH_ON; + writel(((xfer->len * 8 / sdd->cur_bpw) & 0xffff) + | S3C64XX_SPI_PACKET_CNT_EN, + regs + S3C64XX_SPI_PACKET_CNT); + s3c2410_dma_config(sdd->rx_dmach, 1); + s3c2410_dma_enqueue(sdd->rx_dmach, (void *)sdd, + xfer->rx_dma, xfer->len); + s3c2410_dma_ctrl(sdd->rx_dmach, S3C2410_DMAOP_START); + } + } + + writel(modecfg, regs + S3C64XX_SPI_MODE_CFG); + writel(chcfg, regs + S3C64XX_SPI_CH_CFG); +} + +static inline void enable_cs(struct s3c64xx_spi_driver_data *sdd, + struct spi_device *spi) +{ + struct s3c64xx_spi_csinfo *cs; + + if (sdd->tgl_spi != NULL) { /* If last device toggled after mssg */ + if (sdd->tgl_spi != spi) { /* if last mssg on diff device */ + /* Deselect the last toggled device */ + cs = sdd->tgl_spi->controller_data; + cs->set_level(spi->mode & SPI_CS_HIGH ? 0 : 1); + } + sdd->tgl_spi = NULL; + } + + cs = spi->controller_data; + cs->set_level(spi->mode & SPI_CS_HIGH ? 1 : 0); +} + +static int wait_for_xfer(struct s3c64xx_spi_driver_data *sdd, + struct spi_transfer *xfer, int dma_mode) +{ + struct s3c64xx_spi_cntrlr_info *sci = sdd->cntrlr_info; + void __iomem *regs = sdd->regs; + unsigned long val; + int ms; + + /* millisecs to xfer 'len' bytes @ 'cur_speed' */ + ms = xfer->len * 8 * 1000 / sdd->cur_speed; + ms += 5; /* some tolerance */ + + if (dma_mode) { + val = msecs_to_jiffies(ms) + 10; + val = wait_for_completion_timeout(&sdd->xfer_completion, val); + } else { + val = msecs_to_loops(ms); + do { + val = readl(regs + S3C64XX_SPI_STATUS); + } while (RX_FIFO_LVL(val, sci) < xfer->len && --val); + } + + if (!val) + return -EIO; + + if (dma_mode) { + u32 status; + + /* + * DmaTx returns after simply writing data in the FIFO, + * w/o waiting for real transmission on the bus to finish. + * DmaRx returns only after Dma read data from FIFO which + * needs bus transmission to finish, so we don't worry if + * Xfer involved Rx(with or without Tx). + */ + if (xfer->rx_buf == NULL) { + val = msecs_to_loops(10); + status = readl(regs + S3C64XX_SPI_STATUS); + while ((TX_FIFO_LVL(status, sci) + || !S3C64XX_SPI_ST_TX_DONE(status, sci)) + && --val) { + cpu_relax(); + status = readl(regs + S3C64XX_SPI_STATUS); + } + + if (!val) + return -EIO; + } + } else { + unsigned char *buf; + int i; + + /* If it was only Tx */ + if (xfer->rx_buf == NULL) { + sdd->state &= ~TXBUSY; + return 0; + } + + i = 0; + buf = xfer->rx_buf; + while (i < xfer->len) + buf[i++] = readb(regs + S3C64XX_SPI_RX_DATA); + + sdd->state &= ~RXBUSY; + } + + return 0; +} + +static inline void disable_cs(struct s3c64xx_spi_driver_data *sdd, + struct spi_device *spi) +{ + struct s3c64xx_spi_csinfo *cs = spi->controller_data; + + if (sdd->tgl_spi == spi) + sdd->tgl_spi = NULL; + + cs->set_level(spi->mode & SPI_CS_HIGH ? 0 : 1); +} + +static void s3c64xx_spi_config(struct s3c64xx_spi_driver_data *sdd) +{ + struct s3c64xx_spi_cntrlr_info *sci = sdd->cntrlr_info; + void __iomem *regs = sdd->regs; + u32 val; + + /* Disable Clock */ + val = readl(regs + S3C64XX_SPI_CLK_CFG); + val &= ~S3C64XX_SPI_ENCLK_ENABLE; + writel(val, regs + S3C64XX_SPI_CLK_CFG); + + /* Set Polarity and Phase */ + val = readl(regs + S3C64XX_SPI_CH_CFG); + val &= ~(S3C64XX_SPI_CH_SLAVE | + S3C64XX_SPI_CPOL_L | + S3C64XX_SPI_CPHA_B); + + if (sdd->cur_mode & SPI_CPOL) + val |= S3C64XX_SPI_CPOL_L; + + if (sdd->cur_mode & SPI_CPHA) + val |= S3C64XX_SPI_CPHA_B; + + writel(val, regs + S3C64XX_SPI_CH_CFG); + + /* Set Channel & DMA Mode */ + val = readl(regs + S3C64XX_SPI_MODE_CFG); + val &= ~(S3C64XX_SPI_MODE_BUS_TSZ_MASK + | S3C64XX_SPI_MODE_CH_TSZ_MASK); + + switch (sdd->cur_bpw) { + case 32: + val |= S3C64XX_SPI_MODE_BUS_TSZ_WORD; + break; + case 16: + val |= S3C64XX_SPI_MODE_BUS_TSZ_HALFWORD; + break; + default: + val |= S3C64XX_SPI_MODE_BUS_TSZ_BYTE; + break; + } + val |= S3C64XX_SPI_MODE_CH_TSZ_BYTE; /* Always 8bits wide */ + + writel(val, regs + S3C64XX_SPI_MODE_CFG); + + /* Configure Clock */ + val = readl(regs + S3C64XX_SPI_CLK_CFG); + val &= ~S3C64XX_SPI_PSR_MASK; + val |= ((clk_get_rate(sci->src_clk) / sdd->cur_speed / 2 - 1) + & S3C64XX_SPI_PSR_MASK); + writel(val, regs + S3C64XX_SPI_CLK_CFG); + + /* Enable Clock */ + val = readl(regs + S3C64XX_SPI_CLK_CFG); + val |= S3C64XX_SPI_ENCLK_ENABLE; + writel(val, regs + S3C64XX_SPI_CLK_CFG); +} + +void s3c64xx_spi_dma_rxcb(struct s3c2410_dma_chan *chan, void *buf_id, + int size, enum s3c2410_dma_buffresult res) +{ + struct s3c64xx_spi_driver_data *sdd = buf_id; + unsigned long flags; + + spin_lock_irqsave(&sdd->lock, flags); + + if (res == S3C2410_RES_OK) + sdd->state &= ~RXBUSY; + else + dev_err(&sdd->pdev->dev, "DmaAbrtRx-%d\n", size); + + /* If the other done */ + if (!(sdd->state & TXBUSY)) + complete(&sdd->xfer_completion); + + spin_unlock_irqrestore(&sdd->lock, flags); +} + +void s3c64xx_spi_dma_txcb(struct s3c2410_dma_chan *chan, void *buf_id, + int size, enum s3c2410_dma_buffresult res) +{ + struct s3c64xx_spi_driver_data *sdd = buf_id; + unsigned long flags; + + spin_lock_irqsave(&sdd->lock, flags); + + if (res == S3C2410_RES_OK) + sdd->state &= ~TXBUSY; + else + dev_err(&sdd->pdev->dev, "DmaAbrtTx-%d \n", size); + + /* If the other done */ + if (!(sdd->state & RXBUSY)) + complete(&sdd->xfer_completion); + + spin_unlock_irqrestore(&sdd->lock, flags); +} + +#define XFER_DMAADDR_INVALID DMA_BIT_MASK(32) + +static int s3c64xx_spi_map_mssg(struct s3c64xx_spi_driver_data *sdd, + struct spi_message *msg) +{ + struct device *dev = &sdd->pdev->dev; + struct spi_transfer *xfer; + + if (msg->is_dma_mapped) + return 0; + + /* First mark all xfer unmapped */ + list_for_each_entry(xfer, &msg->transfers, transfer_list) { + xfer->rx_dma = XFER_DMAADDR_INVALID; + xfer->tx_dma = XFER_DMAADDR_INVALID; + } + + /* Map until end or first fail */ + list_for_each_entry(xfer, &msg->transfers, transfer_list) { + + if (xfer->tx_buf != NULL) { + xfer->tx_dma = dma_map_single(dev, xfer->tx_buf, + xfer->len, DMA_TO_DEVICE); + if (dma_mapping_error(dev, xfer->tx_dma)) { + dev_err(dev, "dma_map_single Tx failed\n"); + xfer->tx_dma = XFER_DMAADDR_INVALID; + return -ENOMEM; + } + } + + if (xfer->rx_buf != NULL) { + xfer->rx_dma = dma_map_single(dev, xfer->rx_buf, + xfer->len, DMA_FROM_DEVICE); + if (dma_mapping_error(dev, xfer->rx_dma)) { + dev_err(dev, "dma_map_single Rx failed\n"); + dma_unmap_single(dev, xfer->tx_dma, + xfer->len, DMA_TO_DEVICE); + xfer->tx_dma = XFER_DMAADDR_INVALID; + xfer->rx_dma = XFER_DMAADDR_INVALID; + return -ENOMEM; + } + } + } + + return 0; +} + +static void s3c64xx_spi_unmap_mssg(struct s3c64xx_spi_driver_data *sdd, + struct spi_message *msg) +{ + struct device *dev = &sdd->pdev->dev; + struct spi_transfer *xfer; + + if (msg->is_dma_mapped) + return; + + list_for_each_entry(xfer, &msg->transfers, transfer_list) { + + if (xfer->rx_buf != NULL + && xfer->rx_dma != XFER_DMAADDR_INVALID) + dma_unmap_single(dev, xfer->rx_dma, + xfer->len, DMA_FROM_DEVICE); + + if (xfer->tx_buf != NULL + && xfer->tx_dma != XFER_DMAADDR_INVALID) + dma_unmap_single(dev, xfer->tx_dma, + xfer->len, DMA_TO_DEVICE); + } +} + +static void handle_msg(struct s3c64xx_spi_driver_data *sdd, + struct spi_message *msg) +{ + struct s3c64xx_spi_cntrlr_info *sci = sdd->cntrlr_info; + struct spi_device *spi = msg->spi; + struct s3c64xx_spi_csinfo *cs = spi->controller_data; + struct spi_transfer *xfer; + int status = 0, cs_toggle = 0; + u32 speed; + u8 bpw; + + /* If Master's(controller) state differs from that needed by Slave */ + if (sdd->cur_speed != spi->max_speed_hz + || sdd->cur_mode != spi->mode + || sdd->cur_bpw != spi->bits_per_word) { + sdd->cur_bpw = spi->bits_per_word; + sdd->cur_speed = spi->max_speed_hz; + sdd->cur_mode = spi->mode; + s3c64xx_spi_config(sdd); + } + + /* Map all the transfers if needed */ + if (s3c64xx_spi_map_mssg(sdd, msg)) { + dev_err(&spi->dev, + "Xfer: Unable to map message buffers!\n"); + status = -ENOMEM; + goto out; + } + + /* Configure feedback delay */ + writel(cs->fb_delay & 0x3, sdd->regs + S3C64XX_SPI_FB_CLK); + + list_for_each_entry(xfer, &msg->transfers, transfer_list) { + + unsigned long flags; + int use_dma; + + INIT_COMPLETION(sdd->xfer_completion); + + /* Only BPW and Speed may change across transfers */ + bpw = xfer->bits_per_word ? : spi->bits_per_word; + speed = xfer->speed_hz ? : spi->max_speed_hz; + + if (bpw != sdd->cur_bpw || speed != sdd->cur_speed) { + sdd->cur_bpw = bpw; + sdd->cur_speed = speed; + s3c64xx_spi_config(sdd); + } + + /* Polling method for xfers not bigger than FIFO capacity */ + if (xfer->len <= ((sci->fifo_lvl_mask >> 1) + 1)) + use_dma = 0; + else + use_dma = 1; + + spin_lock_irqsave(&sdd->lock, flags); + + /* Pending only which is to be done */ + sdd->state &= ~RXBUSY; + sdd->state &= ~TXBUSY; + + enable_datapath(sdd, spi, xfer, use_dma); + + /* Slave Select */ + enable_cs(sdd, spi); + + /* Start the signals */ + S3C64XX_SPI_ACT(sdd); + + spin_unlock_irqrestore(&sdd->lock, flags); + + status = wait_for_xfer(sdd, xfer, use_dma); + + /* Quiese the signals */ + S3C64XX_SPI_DEACT(sdd); + + if (status) { + dev_err(&spi->dev, "I/O Error: \ + rx-%d tx-%d res:rx-%c tx-%c len-%d\n", + xfer->rx_buf ? 1 : 0, xfer->tx_buf ? 1 : 0, + (sdd->state & RXBUSY) ? 'f' : 'p', + (sdd->state & TXBUSY) ? 'f' : 'p', + xfer->len); + + if (use_dma) { + if (xfer->tx_buf != NULL + && (sdd->state & TXBUSY)) + s3c2410_dma_ctrl(sdd->tx_dmach, + S3C2410_DMAOP_FLUSH); + if (xfer->rx_buf != NULL + && (sdd->state & RXBUSY)) + s3c2410_dma_ctrl(sdd->rx_dmach, + S3C2410_DMAOP_FLUSH); + } + + goto out; + } + + if (xfer->delay_usecs) + udelay(xfer->delay_usecs); + + if (xfer->cs_change) { + /* Hint that the next mssg is gonna be + for the same device */ + if (list_is_last(&xfer->transfer_list, + &msg->transfers)) + cs_toggle = 1; + else + disable_cs(sdd, spi); + } + + msg->actual_length += xfer->len; + + flush_fifo(sdd); + } + +out: + if (!cs_toggle || status) + disable_cs(sdd, spi); + else + sdd->tgl_spi = spi; + + s3c64xx_spi_unmap_mssg(sdd, msg); + + msg->status = status; + + if (msg->complete) + msg->complete(msg->context); +} + +static int acquire_dma(struct s3c64xx_spi_driver_data *sdd) +{ + if (s3c2410_dma_request(sdd->rx_dmach, + &s3c64xx_spi_dma_client, NULL) < 0) { + dev_err(&sdd->pdev->dev, "cannot get RxDMA\n"); + return 0; + } + s3c2410_dma_set_buffdone_fn(sdd->rx_dmach, s3c64xx_spi_dma_rxcb); + s3c2410_dma_devconfig(sdd->rx_dmach, S3C2410_DMASRC_HW, + sdd->sfr_start + S3C64XX_SPI_RX_DATA); + + if (s3c2410_dma_request(sdd->tx_dmach, + &s3c64xx_spi_dma_client, NULL) < 0) { + dev_err(&sdd->pdev->dev, "cannot get TxDMA\n"); + s3c2410_dma_free(sdd->rx_dmach, &s3c64xx_spi_dma_client); + return 0; + } + s3c2410_dma_set_buffdone_fn(sdd->tx_dmach, s3c64xx_spi_dma_txcb); + s3c2410_dma_devconfig(sdd->tx_dmach, S3C2410_DMASRC_MEM, + sdd->sfr_start + S3C64XX_SPI_TX_DATA); + + return 1; +} + +static void s3c64xx_spi_work(struct work_struct *work) +{ + struct s3c64xx_spi_driver_data *sdd = container_of(work, + struct s3c64xx_spi_driver_data, work); + unsigned long flags; + + /* Acquire DMA channels */ + while (!acquire_dma(sdd)) + msleep(10); + + spin_lock_irqsave(&sdd->lock, flags); + + while (!list_empty(&sdd->queue) + && !(sdd->state & SUSPND)) { + + struct spi_message *msg; + + msg = container_of(sdd->queue.next, struct spi_message, queue); + + list_del_init(&msg->queue); + + /* Set Xfer busy flag */ + sdd->state |= SPIBUSY; + + spin_unlock_irqrestore(&sdd->lock, flags); + + handle_msg(sdd, msg); + + spin_lock_irqsave(&sdd->lock, flags); + + sdd->state &= ~SPIBUSY; + } + + spin_unlock_irqrestore(&sdd->lock, flags); + + /* Free DMA channels */ + s3c2410_dma_free(sdd->tx_dmach, &s3c64xx_spi_dma_client); + s3c2410_dma_free(sdd->rx_dmach, &s3c64xx_spi_dma_client); +} + +static int s3c64xx_spi_transfer(struct spi_device *spi, + struct spi_message *msg) +{ + struct s3c64xx_spi_driver_data *sdd; + unsigned long flags; + + sdd = spi_master_get_devdata(spi->master); + + spin_lock_irqsave(&sdd->lock, flags); + + if (sdd->state & SUSPND) { + spin_unlock_irqrestore(&sdd->lock, flags); + return -ESHUTDOWN; + } + + msg->status = -EINPROGRESS; + msg->actual_length = 0; + + list_add_tail(&msg->queue, &sdd->queue); + + queue_work(sdd->workqueue, &sdd->work); + + spin_unlock_irqrestore(&sdd->lock, flags); + + return 0; +} + +/* + * Here we only check the validity of requested configuration + * and save the configuration in a local data-structure. + * The controller is actually configured only just before we + * get a message to transfer. + */ +static int s3c64xx_spi_setup(struct spi_device *spi) +{ + struct s3c64xx_spi_csinfo *cs = spi->controller_data; + struct s3c64xx_spi_driver_data *sdd; + struct s3c64xx_spi_cntrlr_info *sci; + struct spi_message *msg; + u32 psr, speed; + unsigned long flags; + int err = 0; + + if (cs == NULL || cs->set_level == NULL) { + dev_err(&spi->dev, "No CS for SPI(%d)\n", spi->chip_select); + return -ENODEV; + } + + sdd = spi_master_get_devdata(spi->master); + sci = sdd->cntrlr_info; + + spin_lock_irqsave(&sdd->lock, flags); + + list_for_each_entry(msg, &sdd->queue, queue) { + /* Is some mssg is already queued for this device */ + if (msg->spi == spi) { + dev_err(&spi->dev, + "setup: attempt while mssg in queue!\n"); + spin_unlock_irqrestore(&sdd->lock, flags); + return -EBUSY; + } + } + + if (sdd->state & SUSPND) { + spin_unlock_irqrestore(&sdd->lock, flags); + dev_err(&spi->dev, + "setup: SPI-%d not active!\n", spi->master->bus_num); + return -ESHUTDOWN; + } + + spin_unlock_irqrestore(&sdd->lock, flags); + + if (spi->bits_per_word != 8 + && spi->bits_per_word != 16 + && spi->bits_per_word != 32) { + dev_err(&spi->dev, "setup: %dbits/wrd not supported!\n", + spi->bits_per_word); + err = -EINVAL; + goto setup_exit; + } + + /* Check if we can provide the requested rate */ + speed = clk_get_rate(sci->src_clk) / 2 / (0 + 1); /* Max possible */ + + if (spi->max_speed_hz > speed) + spi->max_speed_hz = speed; + + psr = clk_get_rate(sci->src_clk) / 2 / spi->max_speed_hz - 1; + psr &= S3C64XX_SPI_PSR_MASK; + if (psr == S3C64XX_SPI_PSR_MASK) + psr--; + + speed = clk_get_rate(sci->src_clk) / 2 / (psr + 1); + if (spi->max_speed_hz < speed) { + if (psr+1 < S3C64XX_SPI_PSR_MASK) { + psr++; + } else { + err = -EINVAL; + goto setup_exit; + } + } + + speed = clk_get_rate(sci->src_clk) / 2 / (psr + 1); + if (spi->max_speed_hz >= speed) + spi->max_speed_hz = speed; + else + err = -EINVAL; + +setup_exit: + + /* setup() returns with device de-selected */ + disable_cs(sdd, spi); + + return err; +} + +static void s3c64xx_spi_hwinit(struct s3c64xx_spi_driver_data *sdd, int channel) +{ + struct s3c64xx_spi_cntrlr_info *sci = sdd->cntrlr_info; + void __iomem *regs = sdd->regs; + unsigned int val; + + sdd->cur_speed = 0; + + S3C64XX_SPI_DEACT(sdd); + + /* Disable Interrupts - we use Polling if not DMA mode */ + writel(0, regs + S3C64XX_SPI_INT_EN); + + writel(sci->src_clk_nr << S3C64XX_SPI_CLKSEL_SRCSHFT, + regs + S3C64XX_SPI_CLK_CFG); + writel(0, regs + S3C64XX_SPI_MODE_CFG); + writel(0, regs + S3C64XX_SPI_PACKET_CNT); + + /* Clear any irq pending bits */ + writel(readl(regs + S3C64XX_SPI_PENDING_CLR), + regs + S3C64XX_SPI_PENDING_CLR); + + writel(0, regs + S3C64XX_SPI_SWAP_CFG); + + val = readl(regs + S3C64XX_SPI_MODE_CFG); + val &= ~S3C64XX_SPI_MODE_4BURST; + val &= ~(S3C64XX_SPI_MAX_TRAILCNT << S3C64XX_SPI_TRAILCNT_OFF); + val |= (S3C64XX_SPI_TRAILCNT << S3C64XX_SPI_TRAILCNT_OFF); + writel(val, regs + S3C64XX_SPI_MODE_CFG); + + flush_fifo(sdd); +} + +static int __init s3c64xx_spi_probe(struct platform_device *pdev) +{ + struct resource *mem_res, *dmatx_res, *dmarx_res; + struct s3c64xx_spi_driver_data *sdd; + struct s3c64xx_spi_cntrlr_info *sci; + struct spi_master *master; + int ret; + + if (pdev->id < 0) { + dev_err(&pdev->dev, + "Invalid platform device id-%d\n", pdev->id); + return -ENODEV; + } + + if (pdev->dev.platform_data == NULL) { + dev_err(&pdev->dev, "platform_data missing!\n"); + return -ENODEV; + } + + /* Check for availability of necessary resource */ + + dmatx_res = platform_get_resource(pdev, IORESOURCE_DMA, 0); + if (dmatx_res == NULL) { + dev_err(&pdev->dev, "Unable to get SPI-Tx dma resource\n"); + return -ENXIO; + } + + dmarx_res = platform_get_resource(pdev, IORESOURCE_DMA, 1); + if (dmarx_res == NULL) { + dev_err(&pdev->dev, "Unable to get SPI-Rx dma resource\n"); + return -ENXIO; + } + + mem_res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (mem_res == NULL) { + dev_err(&pdev->dev, "Unable to get SPI MEM resource\n"); + return -ENXIO; + } + + master = spi_alloc_master(&pdev->dev, + sizeof(struct s3c64xx_spi_driver_data)); + if (master == NULL) { + dev_err(&pdev->dev, "Unable to allocate SPI Master\n"); + return -ENOMEM; + } + + sci = pdev->dev.platform_data; + + platform_set_drvdata(pdev, master); + + sdd = spi_master_get_devdata(master); + sdd->master = master; + sdd->cntrlr_info = sci; + sdd->pdev = pdev; + sdd->sfr_start = mem_res->start; + sdd->tx_dmach = dmatx_res->start; + sdd->rx_dmach = dmarx_res->start; + + sdd->cur_bpw = 8; + + master->bus_num = pdev->id; + master->setup = s3c64xx_spi_setup; + master->transfer = s3c64xx_spi_transfer; + master->num_chipselect = sci->num_cs; + master->dma_alignment = 8; + /* the spi->mode bits understood by this driver: */ + master->mode_bits = SPI_CPOL | SPI_CPHA | SPI_CS_HIGH; + + if (request_mem_region(mem_res->start, + resource_size(mem_res), pdev->name) == NULL) { + dev_err(&pdev->dev, "Req mem region failed\n"); + ret = -ENXIO; + goto err0; + } + + sdd->regs = ioremap(mem_res->start, resource_size(mem_res)); + if (sdd->regs == NULL) { + dev_err(&pdev->dev, "Unable to remap IO\n"); + ret = -ENXIO; + goto err1; + } + + if (sci->cfg_gpio == NULL || sci->cfg_gpio(pdev)) { + dev_err(&pdev->dev, "Unable to config gpio\n"); + ret = -EBUSY; + goto err2; + } + + /* Setup clocks */ + sdd->clk = clk_get(&pdev->dev, "spi"); + if (IS_ERR(sdd->clk)) { + dev_err(&pdev->dev, "Unable to acquire clock 'spi'\n"); + ret = PTR_ERR(sdd->clk); + goto err3; + } + + if (clk_enable(sdd->clk)) { + dev_err(&pdev->dev, "Couldn't enable clock 'spi'\n"); + ret = -EBUSY; + goto err4; + } + + if (sci->src_clk_nr == S3C64XX_SPI_SRCCLK_PCLK) + sci->src_clk = sdd->clk; + else + sci->src_clk = clk_get(&pdev->dev, sci->src_clk_name); + if (IS_ERR(sci->src_clk)) { + dev_err(&pdev->dev, + "Unable to acquire clock '%s'\n", sci->src_clk_name); + ret = PTR_ERR(sci->src_clk); + goto err5; + } + + if (sci->src_clk != sdd->clk && clk_enable(sci->src_clk)) { + dev_err(&pdev->dev, "Couldn't enable clock '%s'\n", + sci->src_clk_name); + ret = -EBUSY; + goto err6; + } + + sdd->workqueue = create_singlethread_workqueue( + dev_name(master->dev.parent)); + if (sdd->workqueue == NULL) { + dev_err(&pdev->dev, "Unable to create workqueue\n"); + ret = -ENOMEM; + goto err7; + } + + /* Setup Deufult Mode */ + s3c64xx_spi_hwinit(sdd, pdev->id); + + spin_lock_init(&sdd->lock); + init_completion(&sdd->xfer_completion); + INIT_WORK(&sdd->work, s3c64xx_spi_work); + INIT_LIST_HEAD(&sdd->queue); + + if (spi_register_master(master)) { + dev_err(&pdev->dev, "cannot register SPI master\n"); + ret = -EBUSY; + goto err8; + } + + dev_dbg(&pdev->dev, "Samsung SoC SPI Driver loaded for Bus SPI-%d \ + with %d Slaves attached\n", + pdev->id, master->num_chipselect); + dev_dbg(&pdev->dev, "\tIOmem=[0x%x-0x%x]\ + \tDMA=[Rx-%d, Tx-%d]\n", + mem_res->end, mem_res->start, + sdd->rx_dmach, sdd->tx_dmach); + + return 0; + +err8: + destroy_workqueue(sdd->workqueue); +err7: + if (sci->src_clk != sdd->clk) + clk_disable(sci->src_clk); +err6: + if (sci->src_clk != sdd->clk) + clk_put(sci->src_clk); +err5: + clk_disable(sdd->clk); +err4: + clk_put(sdd->clk); +err3: +err2: + iounmap((void *) sdd->regs); +err1: + release_mem_region(mem_res->start, resource_size(mem_res)); +err0: + platform_set_drvdata(pdev, NULL); + spi_master_put(master); + + return ret; +} + +static int s3c64xx_spi_remove(struct platform_device *pdev) +{ + struct spi_master *master = spi_master_get(platform_get_drvdata(pdev)); + struct s3c64xx_spi_driver_data *sdd = spi_master_get_devdata(master); + struct s3c64xx_spi_cntrlr_info *sci = sdd->cntrlr_info; + struct resource *mem_res; + unsigned long flags; + + spin_lock_irqsave(&sdd->lock, flags); + sdd->state |= SUSPND; + spin_unlock_irqrestore(&sdd->lock, flags); + + while (sdd->state & SPIBUSY) + msleep(10); + + spi_unregister_master(master); + + destroy_workqueue(sdd->workqueue); + + if (sci->src_clk != sdd->clk) + clk_disable(sci->src_clk); + + if (sci->src_clk != sdd->clk) + clk_put(sci->src_clk); + + clk_disable(sdd->clk); + clk_put(sdd->clk); + + iounmap((void *) sdd->regs); + + mem_res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + release_mem_region(mem_res->start, resource_size(mem_res)); + + platform_set_drvdata(pdev, NULL); + spi_master_put(master); + + return 0; +} + +#ifdef CONFIG_PM +static int s3c64xx_spi_suspend(struct platform_device *pdev, pm_message_t state) +{ + struct spi_master *master = spi_master_get(platform_get_drvdata(pdev)); + struct s3c64xx_spi_driver_data *sdd = spi_master_get_devdata(master); + struct s3c64xx_spi_cntrlr_info *sci = sdd->cntrlr_info; + struct s3c64xx_spi_csinfo *cs; + unsigned long flags; + + spin_lock_irqsave(&sdd->lock, flags); + sdd->state |= SUSPND; + spin_unlock_irqrestore(&sdd->lock, flags); + + while (sdd->state & SPIBUSY) + msleep(10); + + /* Disable the clock */ + if (sci->src_clk != sdd->clk) + clk_disable(sci->src_clk); + + clk_disable(sdd->clk); + + sdd->cur_speed = 0; /* Output Clock is stopped */ + + return 0; +} + +static int s3c64xx_spi_resume(struct platform_device *pdev) +{ + struct spi_master *master = spi_master_get(platform_get_drvdata(pdev)); + struct s3c64xx_spi_driver_data *sdd = spi_master_get_devdata(master); + struct s3c64xx_spi_cntrlr_info *sci = sdd->cntrlr_info; + unsigned long flags; + + sci->cfg_gpio(pdev); + + /* Enable the clock */ + if (sci->src_clk != sdd->clk) + clk_enable(sci->src_clk); + + clk_enable(sdd->clk); + + s3c64xx_spi_hwinit(sdd, pdev->id); + + spin_lock_irqsave(&sdd->lock, flags); + sdd->state &= ~SUSPND; + spin_unlock_irqrestore(&sdd->lock, flags); + + return 0; +} +#else +#define s3c64xx_spi_suspend NULL +#define s3c64xx_spi_resume NULL +#endif /* CONFIG_PM */ + +static struct platform_driver s3c64xx_spi_driver = { + .driver = { + .name = "s3c64xx-spi", + .owner = THIS_MODULE, + }, + .remove = s3c64xx_spi_remove, + .suspend = s3c64xx_spi_suspend, + .resume = s3c64xx_spi_resume, +}; +MODULE_ALIAS("platform:s3c64xx-spi"); + +static int __init s3c64xx_spi_init(void) +{ + return platform_driver_probe(&s3c64xx_spi_driver, s3c64xx_spi_probe); +} +module_init(s3c64xx_spi_init); + +static void __exit s3c64xx_spi_exit(void) +{ + platform_driver_unregister(&s3c64xx_spi_driver); +} +module_exit(s3c64xx_spi_exit); + +MODULE_AUTHOR("Jaswinder Singh <jassi.brar@samsung.com>"); +MODULE_DESCRIPTION("S3C64XX SPI Controller Driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/spi/spi_sh_sci.c b/drivers/spi/spi_sh_sci.c index 7d36720eb98..a65c12ffa73 100644 --- a/drivers/spi/spi_sh_sci.c +++ b/drivers/spi/spi_sh_sci.c @@ -148,7 +148,7 @@ static int sh_sci_spi_probe(struct platform_device *dev) ret = -ENOENT; goto err1; } - sp->membase = ioremap(r->start, r->end - r->start + 1); + sp->membase = ioremap(r->start, resource_size(r)); if (!sp->membase) { ret = -ENXIO; goto err1; diff --git a/drivers/spi/spi_txx9.c b/drivers/spi/spi_txx9.c index 19f75627c3d..dfa024b633e 100644 --- a/drivers/spi/spi_txx9.c +++ b/drivers/spi/spi_txx9.c @@ -375,12 +375,10 @@ static int __init txx9spi_probe(struct platform_device *dev) res = platform_get_resource(dev, IORESOURCE_MEM, 0); if (!res) goto exit_busy; - if (!devm_request_mem_region(&dev->dev, - res->start, res->end - res->start + 1, + if (!devm_request_mem_region(&dev->dev, res->start, resource_size(res), "spi_txx9")) goto exit_busy; - c->membase = devm_ioremap(&dev->dev, - res->start, res->end - res->start + 1); + c->membase = devm_ioremap(&dev->dev, res->start, resource_size(res)); if (!c->membase) goto exit_busy; diff --git a/drivers/spi/spidev.c b/drivers/spi/spidev.c index 9c446e6003d..ea1bec3c9a1 100644 --- a/drivers/spi/spidev.c +++ b/drivers/spi/spidev.c @@ -53,7 +53,7 @@ #define SPIDEV_MAJOR 153 /* assigned */ #define N_SPI_MINORS 32 /* ... up to 256 */ -static unsigned long minors[N_SPI_MINORS / BITS_PER_LONG]; +static DECLARE_BITMAP(minors, N_SPI_MINORS); /* Bit masks for spi_device.mode management. Note that incorrect @@ -558,7 +558,7 @@ static struct class *spidev_class; /*-------------------------------------------------------------------------*/ -static int spidev_probe(struct spi_device *spi) +static int __devinit spidev_probe(struct spi_device *spi) { struct spidev_data *spidev; int status; @@ -607,7 +607,7 @@ static int spidev_probe(struct spi_device *spi) return status; } -static int spidev_remove(struct spi_device *spi) +static int __devexit spidev_remove(struct spi_device *spi) { struct spidev_data *spidev = spi_get_drvdata(spi); @@ -629,7 +629,7 @@ static int spidev_remove(struct spi_device *spi) return 0; } -static struct spi_driver spidev_spi = { +static struct spi_driver spidev_spi_driver = { .driver = { .name = "spidev", .owner = THIS_MODULE, @@ -661,14 +661,14 @@ static int __init spidev_init(void) spidev_class = class_create(THIS_MODULE, "spidev"); if (IS_ERR(spidev_class)) { - unregister_chrdev(SPIDEV_MAJOR, spidev_spi.driver.name); + unregister_chrdev(SPIDEV_MAJOR, spidev_spi_driver.driver.name); return PTR_ERR(spidev_class); } - status = spi_register_driver(&spidev_spi); + status = spi_register_driver(&spidev_spi_driver); if (status < 0) { class_destroy(spidev_class); - unregister_chrdev(SPIDEV_MAJOR, spidev_spi.driver.name); + unregister_chrdev(SPIDEV_MAJOR, spidev_spi_driver.driver.name); } return status; } @@ -676,9 +676,9 @@ module_init(spidev_init); static void __exit spidev_exit(void) { - spi_unregister_driver(&spidev_spi); + spi_unregister_driver(&spidev_spi_driver); class_destroy(spidev_class); - unregister_chrdev(SPIDEV_MAJOR, spidev_spi.driver.name); + unregister_chrdev(SPIDEV_MAJOR, spidev_spi_driver.driver.name); } module_exit(spidev_exit); diff --git a/drivers/staging/iio/ring_sw.h b/drivers/staging/iio/ring_sw.h index f0b86f02cd8..fd677f00836 100644 --- a/drivers/staging/iio/ring_sw.h +++ b/drivers/staging/iio/ring_sw.h @@ -29,7 +29,6 @@ * driver requests - some may support multiple options */ -#include <linux/autoconf.h> #include "iio.h" #include "ring_generic.h" diff --git a/drivers/staging/octeon/Kconfig b/drivers/staging/octeon/Kconfig index 536e2382de5..638ad6b3589 100644 --- a/drivers/staging/octeon/Kconfig +++ b/drivers/staging/octeon/Kconfig @@ -1,7 +1,8 @@ config OCTEON_ETHERNET tristate "Cavium Networks Octeon Ethernet support" depends on CPU_CAVIUM_OCTEON - select MII + select PHYLIB + select MDIO_OCTEON help This driver supports the builtin ethernet ports on Cavium Networks' products in the Octeon family. This driver supports the diff --git a/drivers/staging/octeon/ethernet-mdio.c b/drivers/staging/octeon/ethernet-mdio.c index 31a58e50892..05a5cc0f43e 100644 --- a/drivers/staging/octeon/ethernet-mdio.c +++ b/drivers/staging/octeon/ethernet-mdio.c @@ -26,7 +26,8 @@ **********************************************************************/ #include <linux/kernel.h> #include <linux/ethtool.h> -#include <linux/mii.h> +#include <linux/phy.h> + #include <net/dst.h> #include <asm/octeon/octeon.h> @@ -34,86 +35,12 @@ #include "ethernet-defines.h" #include "octeon-ethernet.h" #include "ethernet-mdio.h" +#include "ethernet-util.h" #include "cvmx-helper-board.h" #include "cvmx-smix-defs.h" -DECLARE_MUTEX(mdio_sem); - -/** - * Perform an MII read. Called by the generic MII routines - * - * @dev: Device to perform read for - * @phy_id: The MII phy id - * @location: Register location to read - * Returns Result from the read or zero on failure - */ -static int cvm_oct_mdio_read(struct net_device *dev, int phy_id, int location) -{ - union cvmx_smix_cmd smi_cmd; - union cvmx_smix_rd_dat smi_rd; - - smi_cmd.u64 = 0; - smi_cmd.s.phy_op = 1; - smi_cmd.s.phy_adr = phy_id; - smi_cmd.s.reg_adr = location; - cvmx_write_csr(CVMX_SMIX_CMD(0), smi_cmd.u64); - - do { - if (!in_interrupt()) - yield(); - smi_rd.u64 = cvmx_read_csr(CVMX_SMIX_RD_DAT(0)); - } while (smi_rd.s.pending); - - if (smi_rd.s.val) - return smi_rd.s.dat; - else - return 0; -} - -static int cvm_oct_mdio_dummy_read(struct net_device *dev, int phy_id, - int location) -{ - return 0xffff; -} - -/** - * Perform an MII write. Called by the generic MII routines - * - * @dev: Device to perform write for - * @phy_id: The MII phy id - * @location: Register location to write - * @val: Value to write - */ -static void cvm_oct_mdio_write(struct net_device *dev, int phy_id, int location, - int val) -{ - union cvmx_smix_cmd smi_cmd; - union cvmx_smix_wr_dat smi_wr; - - smi_wr.u64 = 0; - smi_wr.s.dat = val; - cvmx_write_csr(CVMX_SMIX_WR_DAT(0), smi_wr.u64); - - smi_cmd.u64 = 0; - smi_cmd.s.phy_op = 0; - smi_cmd.s.phy_adr = phy_id; - smi_cmd.s.reg_adr = location; - cvmx_write_csr(CVMX_SMIX_CMD(0), smi_cmd.u64); - - do { - if (!in_interrupt()) - yield(); - smi_wr.u64 = cvmx_read_csr(CVMX_SMIX_WR_DAT(0)); - } while (smi_wr.s.pending); -} - -static void cvm_oct_mdio_dummy_write(struct net_device *dev, int phy_id, - int location, int val) -{ -} - static void cvm_oct_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info) { @@ -125,49 +52,37 @@ static void cvm_oct_get_drvinfo(struct net_device *dev, static int cvm_oct_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) { struct octeon_ethernet *priv = netdev_priv(dev); - int ret; - down(&mdio_sem); - ret = mii_ethtool_gset(&priv->mii_info, cmd); - up(&mdio_sem); + if (priv->phydev) + return phy_ethtool_gset(priv->phydev, cmd); - return ret; + return -EINVAL; } static int cvm_oct_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) { struct octeon_ethernet *priv = netdev_priv(dev); - int ret; - down(&mdio_sem); - ret = mii_ethtool_sset(&priv->mii_info, cmd); - up(&mdio_sem); + if (!capable(CAP_NET_ADMIN)) + return -EPERM; + + if (priv->phydev) + return phy_ethtool_sset(priv->phydev, cmd); - return ret; + return -EINVAL; } static int cvm_oct_nway_reset(struct net_device *dev) { struct octeon_ethernet *priv = netdev_priv(dev); - int ret; - down(&mdio_sem); - ret = mii_nway_restart(&priv->mii_info); - up(&mdio_sem); + if (!capable(CAP_NET_ADMIN)) + return -EPERM; - return ret; -} + if (priv->phydev) + return phy_start_aneg(priv->phydev); -static u32 cvm_oct_get_link(struct net_device *dev) -{ - struct octeon_ethernet *priv = netdev_priv(dev); - u32 ret; - - down(&mdio_sem); - ret = mii_link_ok(&priv->mii_info); - up(&mdio_sem); - - return ret; + return -EINVAL; } const struct ethtool_ops cvm_oct_ethtool_ops = { @@ -175,7 +90,7 @@ const struct ethtool_ops cvm_oct_ethtool_ops = { .get_settings = cvm_oct_get_settings, .set_settings = cvm_oct_set_settings, .nway_reset = cvm_oct_nway_reset, - .get_link = cvm_oct_get_link, + .get_link = ethtool_op_get_link, .get_sg = ethtool_op_get_sg, .get_tx_csum = ethtool_op_get_tx_csum, }; @@ -191,41 +106,78 @@ const struct ethtool_ops cvm_oct_ethtool_ops = { int cvm_oct_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) { struct octeon_ethernet *priv = netdev_priv(dev); - struct mii_ioctl_data *data = if_mii(rq); - unsigned int duplex_chg; - int ret; - down(&mdio_sem); - ret = generic_mii_ioctl(&priv->mii_info, data, cmd, &duplex_chg); - up(&mdio_sem); + if (!netif_running(dev)) + return -EINVAL; + + if (!priv->phydev) + return -EINVAL; + + return phy_mii_ioctl(priv->phydev, if_mii(rq), cmd); +} - return ret; +static void cvm_oct_adjust_link(struct net_device *dev) +{ + struct octeon_ethernet *priv = netdev_priv(dev); + cvmx_helper_link_info_t link_info; + + if (priv->last_link != priv->phydev->link) { + priv->last_link = priv->phydev->link; + link_info.u64 = 0; + link_info.s.link_up = priv->last_link ? 1 : 0; + link_info.s.full_duplex = priv->phydev->duplex ? 1 : 0; + link_info.s.speed = priv->phydev->speed; + cvmx_helper_link_set( priv->port, link_info); + if (priv->last_link) { + netif_carrier_on(dev); + if (priv->queue != -1) + DEBUGPRINT("%s: %u Mbps %s duplex, " + "port %2d, queue %2d\n", + dev->name, priv->phydev->speed, + priv->phydev->duplex ? + "Full" : "Half", + priv->port, priv->queue); + else + DEBUGPRINT("%s: %u Mbps %s duplex, " + "port %2d, POW\n", + dev->name, priv->phydev->speed, + priv->phydev->duplex ? + "Full" : "Half", + priv->port); + } else { + netif_carrier_off(dev); + DEBUGPRINT("%s: Link down\n", dev->name); + } + } } + /** - * Setup the MDIO device structures + * Setup the PHY * * @dev: Device to setup * * Returns Zero on success, negative on failure */ -int cvm_oct_mdio_setup_device(struct net_device *dev) +int cvm_oct_phy_setup_device(struct net_device *dev) { struct octeon_ethernet *priv = netdev_priv(dev); - int phy_id = cvmx_helper_board_get_mii_address(priv->port); - if (phy_id != -1) { - priv->mii_info.dev = dev; - priv->mii_info.phy_id = phy_id; - priv->mii_info.phy_id_mask = 0xff; - priv->mii_info.supports_gmii = 1; - priv->mii_info.reg_num_mask = 0x1f; - priv->mii_info.mdio_read = cvm_oct_mdio_read; - priv->mii_info.mdio_write = cvm_oct_mdio_write; - } else { - /* Supply dummy MDIO routines so the kernel won't crash - if the user tries to read them */ - priv->mii_info.mdio_read = cvm_oct_mdio_dummy_read; - priv->mii_info.mdio_write = cvm_oct_mdio_dummy_write; + + int phy_addr = cvmx_helper_board_get_mii_address(priv->port); + if (phy_addr != -1) { + char phy_id[20]; + + snprintf(phy_id, sizeof(phy_id), PHY_ID_FMT, "0", phy_addr); + + priv->phydev = phy_connect(dev, phy_id, cvm_oct_adjust_link, 0, + PHY_INTERFACE_MODE_GMII); + + if (IS_ERR(priv->phydev)) { + priv->phydev = NULL; + return -1; + } + priv->last_link = 0; + phy_start_aneg(priv->phydev); } return 0; } diff --git a/drivers/staging/octeon/ethernet-mdio.h b/drivers/staging/octeon/ethernet-mdio.h index b3328aeec2d..55d0614a7cd 100644 --- a/drivers/staging/octeon/ethernet-mdio.h +++ b/drivers/staging/octeon/ethernet-mdio.h @@ -43,4 +43,4 @@ extern const struct ethtool_ops cvm_oct_ethtool_ops; int cvm_oct_ioctl(struct net_device *dev, struct ifreq *rq, int cmd); -int cvm_oct_mdio_setup_device(struct net_device *dev); +int cvm_oct_phy_setup_device(struct net_device *dev); diff --git a/drivers/staging/octeon/ethernet-proc.c b/drivers/staging/octeon/ethernet-proc.c index 8fa88fc419b..16308d484d3 100644 --- a/drivers/staging/octeon/ethernet-proc.c +++ b/drivers/staging/octeon/ethernet-proc.c @@ -25,7 +25,6 @@ * Contact Cavium Networks for more information **********************************************************************/ #include <linux/kernel.h> -#include <linux/mii.h> #include <linux/seq_file.h> #include <linux/proc_fs.h> #include <net/dst.h> @@ -38,112 +37,6 @@ #include "cvmx-helper.h" #include "cvmx-pip.h" -static unsigned long long cvm_oct_stats_read_switch(struct net_device *dev, - int phy_id, int offset) -{ - struct octeon_ethernet *priv = netdev_priv(dev); - - priv->mii_info.mdio_write(dev, phy_id, 0x1d, 0xcc00 | offset); - return ((uint64_t) priv->mii_info. - mdio_read(dev, phy_id, - 0x1e) << 16) | (uint64_t) priv->mii_info. - mdio_read(dev, phy_id, 0x1f); -} - -static int cvm_oct_stats_switch_show(struct seq_file *m, void *v) -{ - static const int ports[] = { 0, 1, 2, 3, 9, -1 }; - struct net_device *dev = cvm_oct_device[0]; - int index = 0; - - while (ports[index] != -1) { - - /* Latch port */ - struct octeon_ethernet *priv = netdev_priv(dev); - - priv->mii_info.mdio_write(dev, 0x1b, 0x1d, - 0xdc00 | ports[index]); - seq_printf(m, "\nSwitch Port %d\n", ports[index]); - seq_printf(m, "InGoodOctets: %12llu\t" - "OutOctets: %12llu\t" - "64 Octets: %12llu\n", - cvm_oct_stats_read_switch(dev, 0x1b, - 0x00) | - (cvm_oct_stats_read_switch(dev, 0x1b, 0x01) << 32), - cvm_oct_stats_read_switch(dev, 0x1b, - 0x0E) | - (cvm_oct_stats_read_switch(dev, 0x1b, 0x0F) << 32), - cvm_oct_stats_read_switch(dev, 0x1b, 0x08)); - - seq_printf(m, "InBadOctets: %12llu\t" - "OutUnicast: %12llu\t" - "65-127 Octets: %12llu\n", - cvm_oct_stats_read_switch(dev, 0x1b, 0x02), - cvm_oct_stats_read_switch(dev, 0x1b, 0x10), - cvm_oct_stats_read_switch(dev, 0x1b, 0x09)); - - seq_printf(m, "InUnicast: %12llu\t" - "OutBroadcasts: %12llu\t" - "128-255 Octets: %12llu\n", - cvm_oct_stats_read_switch(dev, 0x1b, 0x04), - cvm_oct_stats_read_switch(dev, 0x1b, 0x13), - cvm_oct_stats_read_switch(dev, 0x1b, 0x0A)); - - seq_printf(m, "InBroadcasts: %12llu\t" - "OutMulticasts: %12llu\t" - "256-511 Octets: %12llu\n", - cvm_oct_stats_read_switch(dev, 0x1b, 0x06), - cvm_oct_stats_read_switch(dev, 0x1b, 0x12), - cvm_oct_stats_read_switch(dev, 0x1b, 0x0B)); - - seq_printf(m, "InMulticasts: %12llu\t" - "OutPause: %12llu\t" - "512-1023 Octets:%12llu\n", - cvm_oct_stats_read_switch(dev, 0x1b, 0x07), - cvm_oct_stats_read_switch(dev, 0x1b, 0x15), - cvm_oct_stats_read_switch(dev, 0x1b, 0x0C)); - - seq_printf(m, "InPause: %12llu\t" - "Excessive: %12llu\t" - "1024-Max Octets:%12llu\n", - cvm_oct_stats_read_switch(dev, 0x1b, 0x16), - cvm_oct_stats_read_switch(dev, 0x1b, 0x11), - cvm_oct_stats_read_switch(dev, 0x1b, 0x0D)); - - seq_printf(m, "InUndersize: %12llu\t" - "Collisions: %12llu\n", - cvm_oct_stats_read_switch(dev, 0x1b, 0x18), - cvm_oct_stats_read_switch(dev, 0x1b, 0x1E)); - - seq_printf(m, "InFragments: %12llu\t" - "Deferred: %12llu\n", - cvm_oct_stats_read_switch(dev, 0x1b, 0x19), - cvm_oct_stats_read_switch(dev, 0x1b, 0x05)); - - seq_printf(m, "InOversize: %12llu\t" - "Single: %12llu\n", - cvm_oct_stats_read_switch(dev, 0x1b, 0x1A), - cvm_oct_stats_read_switch(dev, 0x1b, 0x14)); - - seq_printf(m, "InJabber: %12llu\t" - "Multiple: %12llu\n", - cvm_oct_stats_read_switch(dev, 0x1b, 0x1B), - cvm_oct_stats_read_switch(dev, 0x1b, 0x17)); - - seq_printf(m, "In RxErr: %12llu\t" - "OutFCSErr: %12llu\n", - cvm_oct_stats_read_switch(dev, 0x1b, 0x1C), - cvm_oct_stats_read_switch(dev, 0x1b, 0x03)); - - seq_printf(m, "InFCSErr: %12llu\t" - "Late: %12llu\n", - cvm_oct_stats_read_switch(dev, 0x1b, 0x1D), - cvm_oct_stats_read_switch(dev, 0x1b, 0x1F)); - index++; - } - return 0; -} - /** * User is reading /proc/octeon_ethernet_stats * @@ -215,11 +108,6 @@ static int cvm_oct_stats_show(struct seq_file *m, void *v) } } - if (cvm_oct_device[0]) { - priv = netdev_priv(cvm_oct_device[0]); - if (priv->imode == CVMX_HELPER_INTERFACE_MODE_GMII) - cvm_oct_stats_switch_show(m, v); - } return 0; } diff --git a/drivers/staging/octeon/ethernet-rgmii.c b/drivers/staging/octeon/ethernet-rgmii.c index fbaa465d2fa..3820f1ec11d 100644 --- a/drivers/staging/octeon/ethernet-rgmii.c +++ b/drivers/staging/octeon/ethernet-rgmii.c @@ -147,32 +147,36 @@ static void cvm_oct_rgmii_poll(struct net_device *dev) cvmx_write_csr(CVMX_GMXX_RXX_INT_REG(index, interface), gmxx_rxx_int_reg.u64); } - - link_info = cvmx_helper_link_autoconf(priv->port); - priv->link_info = link_info.u64; + if (priv->phydev == NULL) { + link_info = cvmx_helper_link_autoconf(priv->port); + priv->link_info = link_info.u64; + } spin_unlock_irqrestore(&global_register_lock, flags); - /* Tell Linux */ - if (link_info.s.link_up) { - - if (!netif_carrier_ok(dev)) - netif_carrier_on(dev); - if (priv->queue != -1) - DEBUGPRINT - ("%s: %u Mbps %s duplex, port %2d, queue %2d\n", - dev->name, link_info.s.speed, - (link_info.s.full_duplex) ? "Full" : "Half", - priv->port, priv->queue); - else - DEBUGPRINT("%s: %u Mbps %s duplex, port %2d, POW\n", - dev->name, link_info.s.speed, - (link_info.s.full_duplex) ? "Full" : "Half", - priv->port); - } else { - - if (netif_carrier_ok(dev)) - netif_carrier_off(dev); - DEBUGPRINT("%s: Link down\n", dev->name); + if (priv->phydev == NULL) { + /* Tell core. */ + if (link_info.s.link_up) { + if (!netif_carrier_ok(dev)) + netif_carrier_on(dev); + if (priv->queue != -1) + DEBUGPRINT("%s: %u Mbps %s duplex, " + "port %2d, queue %2d\n", + dev->name, link_info.s.speed, + (link_info.s.full_duplex) ? + "Full" : "Half", + priv->port, priv->queue); + else + DEBUGPRINT("%s: %u Mbps %s duplex, " + "port %2d, POW\n", + dev->name, link_info.s.speed, + (link_info.s.full_duplex) ? + "Full" : "Half", + priv->port); + } else { + if (netif_carrier_ok(dev)) + netif_carrier_off(dev); + DEBUGPRINT("%s: Link down\n", dev->name); + } } } diff --git a/drivers/staging/octeon/ethernet-sgmii.c b/drivers/staging/octeon/ethernet-sgmii.c index 2b54996bd85..6061d01eca2 100644 --- a/drivers/staging/octeon/ethernet-sgmii.c +++ b/drivers/staging/octeon/ethernet-sgmii.c @@ -113,7 +113,7 @@ int cvm_oct_sgmii_init(struct net_device *dev) struct octeon_ethernet *priv = netdev_priv(dev); cvm_oct_common_init(dev); dev->netdev_ops->ndo_stop(dev); - if (!octeon_is_simulation()) + if (!octeon_is_simulation() && priv->phydev == NULL) priv->poll = cvm_oct_sgmii_poll; /* FIXME: Need autoneg logic */ diff --git a/drivers/staging/octeon/ethernet-xaui.c b/drivers/staging/octeon/ethernet-xaui.c index 0c2e7cc40f3..ee3dc41b2c5 100644 --- a/drivers/staging/octeon/ethernet-xaui.c +++ b/drivers/staging/octeon/ethernet-xaui.c @@ -112,7 +112,7 @@ int cvm_oct_xaui_init(struct net_device *dev) struct octeon_ethernet *priv = netdev_priv(dev); cvm_oct_common_init(dev); dev->netdev_ops->ndo_stop(dev); - if (!octeon_is_simulation()) + if (!octeon_is_simulation() && priv->phydev == NULL) priv->poll = cvm_oct_xaui_poll; return 0; diff --git a/drivers/staging/octeon/ethernet.c b/drivers/staging/octeon/ethernet.c index 492c5029992..4cfd4b136b3 100644 --- a/drivers/staging/octeon/ethernet.c +++ b/drivers/staging/octeon/ethernet.c @@ -30,7 +30,7 @@ #include <linux/netdevice.h> #include <linux/etherdevice.h> #include <linux/delay.h> -#include <linux/mii.h> +#include <linux/phy.h> #include <net/dst.h> @@ -132,8 +132,6 @@ static struct timer_list cvm_oct_poll_timer; */ struct net_device *cvm_oct_device[TOTAL_NUMBER_OF_PORTS]; -extern struct semaphore mdio_sem; - /** * Periodic timer tick for slow management operations * @@ -160,13 +158,8 @@ static void cvm_do_timer(unsigned long arg) goto out; priv = netdev_priv(cvm_oct_device[port]); - if (priv->poll) { - /* skip polling if we don't get the lock */ - if (!down_trylock(&mdio_sem)) { - priv->poll(cvm_oct_device[port]); - up(&mdio_sem); - } - } + if (priv->poll) + priv->poll(cvm_oct_device[port]); queues_per_port = cvmx_pko_get_num_queues(port); /* Drain any pending packets in the free list */ @@ -524,7 +517,7 @@ int cvm_oct_common_init(struct net_device *dev) dev->features |= NETIF_F_LLTX; SET_ETHTOOL_OPS(dev, &cvm_oct_ethtool_ops); - cvm_oct_mdio_setup_device(dev); + cvm_oct_phy_setup_device(dev); dev->netdev_ops->ndo_set_mac_address(dev, &sa); dev->netdev_ops->ndo_change_mtu(dev, dev->mtu); @@ -540,7 +533,10 @@ int cvm_oct_common_init(struct net_device *dev) void cvm_oct_common_uninit(struct net_device *dev) { - /* Currently nothing to do */ + struct octeon_ethernet *priv = netdev_priv(dev); + + if (priv->phydev) + phy_disconnect(priv->phydev); } static const struct net_device_ops cvm_oct_npi_netdev_ops = { @@ -627,6 +623,8 @@ static const struct net_device_ops cvm_oct_pow_netdev_ops = { #endif }; +extern void octeon_mdiobus_force_mod_depencency(void); + /** * Module/ driver initialization. Creates the linux network * devices. @@ -640,6 +638,7 @@ static int __init cvm_oct_init_module(void) int fau = FAU_NUM_PACKET_BUFFERS_TO_FREE; int qos; + octeon_mdiobus_force_mod_depencency(); pr_notice("cavium-ethernet %s\n", OCTEON_ETHERNET_VERSION); if (OCTEON_IS_MODEL(OCTEON_CN52XX)) diff --git a/drivers/staging/octeon/octeon-ethernet.h b/drivers/staging/octeon/octeon-ethernet.h index 3aef9878fc0..402a15b9bb0 100644 --- a/drivers/staging/octeon/octeon-ethernet.h +++ b/drivers/staging/octeon/octeon-ethernet.h @@ -50,9 +50,9 @@ struct octeon_ethernet { /* List of outstanding tx buffers per queue */ struct sk_buff_head tx_free_list[16]; /* Device statistics */ - struct net_device_stats stats -; /* Generic MII info structure */ - struct mii_if_info mii_info; + struct net_device_stats stats; + struct phy_device *phydev; + unsigned int last_link; /* Last negotiated link state */ uint64_t link_info; /* Called periodically to check link status */ diff --git a/drivers/staging/panel/panel.c b/drivers/staging/panel/panel.c index 4ce399b6d23..f98a52448ea 100644 --- a/drivers/staging/panel/panel.c +++ b/drivers/staging/panel/panel.c @@ -55,7 +55,7 @@ #include <linux/list.h> #include <linux/notifier.h> #include <linux/reboot.h> -#include <linux/utsrelease.h> +#include <generated/utsrelease.h> #include <linux/io.h> #include <asm/uaccess.h> diff --git a/drivers/usb/host/ehci-omap.c b/drivers/usb/host/ehci-omap.c index 12f1ad2fd0e..74d07f4e8b7 100644 --- a/drivers/usb/host/ehci-omap.c +++ b/drivers/usb/host/ehci-omap.c @@ -37,7 +37,7 @@ #include <linux/platform_device.h> #include <linux/clk.h> #include <linux/gpio.h> -#include <mach/usb.h> +#include <plat/usb.h> /* * OMAP USBHOST Register addresses: VIRTUAL ADDRESSES diff --git a/drivers/video/atafb.c b/drivers/video/atafb.c index 2051c9dc813..b7687c55fe1 100644 --- a/drivers/video/atafb.c +++ b/drivers/video/atafb.c @@ -2245,9 +2245,6 @@ static int ext_setcolreg(unsigned int regno, unsigned int red, if (regno > 255) return 1; - if (regno > 255) - return 1; - switch (external_card_type) { case IS_VGA: OUTB(0x3c8, regno); diff --git a/drivers/video/backlight/adp5520_bl.c b/drivers/video/backlight/adp5520_bl.c index 4c10edecfb6..86d95c228ad 100644 --- a/drivers/video/backlight/adp5520_bl.c +++ b/drivers/video/backlight/adp5520_bl.c @@ -85,7 +85,7 @@ static int adp5520_bl_get_brightness(struct backlight_device *bl) return error ? data->current_brightness : reg_val; } -static struct backlight_ops adp5520_bl_ops = { +static const struct backlight_ops adp5520_bl_ops = { .update_status = adp5520_bl_update_status, .get_brightness = adp5520_bl_get_brightness, }; diff --git a/drivers/video/backlight/adx_bl.c b/drivers/video/backlight/adx_bl.c index 2c3bdfc620b..d769b0bab21 100644 --- a/drivers/video/backlight/adx_bl.c +++ b/drivers/video/backlight/adx_bl.c @@ -61,7 +61,7 @@ static int adx_backlight_check_fb(struct fb_info *fb) return 1; } -static struct backlight_ops adx_backlight_ops = { +static const struct backlight_ops adx_backlight_ops = { .options = 0, .update_status = adx_backlight_update_status, .get_brightness = adx_backlight_get_brightness, diff --git a/drivers/video/backlight/atmel-pwm-bl.c b/drivers/video/backlight/atmel-pwm-bl.c index 2cf7ba52f67..f625ffc69ad 100644 --- a/drivers/video/backlight/atmel-pwm-bl.c +++ b/drivers/video/backlight/atmel-pwm-bl.c @@ -113,7 +113,7 @@ static int atmel_pwm_bl_init_pwm(struct atmel_pwm_bl *pwmbl) return pwm_channel_enable(&pwmbl->pwmc); } -static struct backlight_ops atmel_pwm_bl_ops = { +static const struct backlight_ops atmel_pwm_bl_ops = { .get_brightness = atmel_pwm_bl_get_intensity, .update_status = atmel_pwm_bl_set_intensity, }; diff --git a/drivers/video/backlight/backlight.c b/drivers/video/backlight/backlight.c index 6615ac7fa60..18829cf68b1 100644 --- a/drivers/video/backlight/backlight.c +++ b/drivers/video/backlight/backlight.c @@ -269,7 +269,7 @@ EXPORT_SYMBOL(backlight_force_update); * ERR_PTR() or a pointer to the newly allocated device. */ struct backlight_device *backlight_device_register(const char *name, - struct device *parent, void *devdata, struct backlight_ops *ops) + struct device *parent, void *devdata, const struct backlight_ops *ops) { struct backlight_device *new_bd; int rc; diff --git a/drivers/video/backlight/corgi_lcd.c b/drivers/video/backlight/corgi_lcd.c index 96774949cd3..b4bcf804379 100644 --- a/drivers/video/backlight/corgi_lcd.c +++ b/drivers/video/backlight/corgi_lcd.c @@ -451,7 +451,7 @@ void corgi_lcd_limit_intensity(int limit) } EXPORT_SYMBOL(corgi_lcd_limit_intensity); -static struct backlight_ops corgi_bl_ops = { +static const struct backlight_ops corgi_bl_ops = { .get_brightness = corgi_bl_get_intensity, .update_status = corgi_bl_update_status, }; diff --git a/drivers/video/backlight/cr_bllcd.c b/drivers/video/backlight/cr_bllcd.c index b9fe62b475c..da86db4374a 100644 --- a/drivers/video/backlight/cr_bllcd.c +++ b/drivers/video/backlight/cr_bllcd.c @@ -108,7 +108,7 @@ static int cr_backlight_get_intensity(struct backlight_device *bd) return intensity; } -static struct backlight_ops cr_backlight_ops = { +static const struct backlight_ops cr_backlight_ops = { .get_brightness = cr_backlight_get_intensity, .update_status = cr_backlight_set_intensity, }; @@ -201,7 +201,7 @@ static int cr_backlight_probe(struct platform_device *pdev) if (IS_ERR(ldp)) { backlight_device_unregister(bdp); pci_dev_put(lpc_dev); - return PTR_ERR(bdp); + return PTR_ERR(ldp); } pci_read_config_dword(lpc_dev, CRVML_REG_GPIOBAR, diff --git a/drivers/video/backlight/da903x_bl.c b/drivers/video/backlight/da903x_bl.c index f2d76dae1eb..74cdc640173 100644 --- a/drivers/video/backlight/da903x_bl.c +++ b/drivers/video/backlight/da903x_bl.c @@ -95,7 +95,7 @@ static int da903x_backlight_get_brightness(struct backlight_device *bl) return data->current_brightness; } -static struct backlight_ops da903x_backlight_ops = { +static const struct backlight_ops da903x_backlight_ops = { .update_status = da903x_backlight_update_status, .get_brightness = da903x_backlight_get_brightness, }; diff --git a/drivers/video/backlight/generic_bl.c b/drivers/video/backlight/generic_bl.c index 6d27f62fdcd..e6d348e6359 100644 --- a/drivers/video/backlight/generic_bl.c +++ b/drivers/video/backlight/generic_bl.c @@ -70,7 +70,7 @@ void corgibl_limit_intensity(int limit) } EXPORT_SYMBOL(corgibl_limit_intensity); -static struct backlight_ops genericbl_ops = { +static const struct backlight_ops genericbl_ops = { .options = BL_CORE_SUSPENDRESUME, .get_brightness = genericbl_get_intensity, .update_status = genericbl_send_intensity, diff --git a/drivers/video/backlight/hp680_bl.c b/drivers/video/backlight/hp680_bl.c index 7fb4eefff80..f7cc528d5be 100644 --- a/drivers/video/backlight/hp680_bl.c +++ b/drivers/video/backlight/hp680_bl.c @@ -98,7 +98,7 @@ static int hp680bl_get_intensity(struct backlight_device *bd) return current_intensity; } -static struct backlight_ops hp680bl_ops = { +static const struct backlight_ops hp680bl_ops = { .get_brightness = hp680bl_get_intensity, .update_status = hp680bl_set_intensity, }; diff --git a/drivers/video/backlight/jornada720_bl.c b/drivers/video/backlight/jornada720_bl.c index 7aed2565c1b..db9071fc566 100644 --- a/drivers/video/backlight/jornada720_bl.c +++ b/drivers/video/backlight/jornada720_bl.c @@ -93,7 +93,7 @@ out: return ret; } -static struct backlight_ops jornada_bl_ops = { +static const struct backlight_ops jornada_bl_ops = { .get_brightness = jornada_bl_get_brightness, .update_status = jornada_bl_update_status, .options = BL_CORE_SUSPENDRESUME, diff --git a/drivers/video/backlight/kb3886_bl.c b/drivers/video/backlight/kb3886_bl.c index a38fda1742d..939e7b830cf 100644 --- a/drivers/video/backlight/kb3886_bl.c +++ b/drivers/video/backlight/kb3886_bl.c @@ -134,7 +134,7 @@ static int kb3886bl_get_intensity(struct backlight_device *bd) return kb3886bl_intensity; } -static struct backlight_ops kb3886bl_ops = { +static const struct backlight_ops kb3886bl_ops = { .get_brightness = kb3886bl_get_intensity, .update_status = kb3886bl_send_intensity, }; diff --git a/drivers/video/backlight/locomolcd.c b/drivers/video/backlight/locomolcd.c index 6b488b8a7ee..00a9591b000 100644 --- a/drivers/video/backlight/locomolcd.c +++ b/drivers/video/backlight/locomolcd.c @@ -141,7 +141,7 @@ static int locomolcd_get_intensity(struct backlight_device *bd) return current_intensity; } -static struct backlight_ops locomobl_data = { +static const struct backlight_ops locomobl_data = { .get_brightness = locomolcd_get_intensity, .update_status = locomolcd_set_intensity, }; diff --git a/drivers/video/backlight/mbp_nvidia_bl.c b/drivers/video/backlight/mbp_nvidia_bl.c index 9edb8d7c295..2e78b0784bd 100644 --- a/drivers/video/backlight/mbp_nvidia_bl.c +++ b/drivers/video/backlight/mbp_nvidia_bl.c @@ -33,7 +33,7 @@ struct dmi_match_data { unsigned long iostart; unsigned long iolen; /* Backlight operations structure. */ - struct backlight_ops backlight_ops; + const struct backlight_ops backlight_ops; }; /* Module parameters. */ @@ -220,6 +220,24 @@ static const struct dmi_system_id __initdata mbp_device_table[] = { }, { .callback = mbp_dmi_match, + .ident = "MacBookPro 5,3", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro5,3"), + }, + .driver_data = (void *)&nvidia_chipset_data, + }, + { + .callback = mbp_dmi_match, + .ident = "MacBookPro 5,4", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro5,4"), + }, + .driver_data = (void *)&nvidia_chipset_data, + }, + { + .callback = mbp_dmi_match, .ident = "MacBookPro 5,5", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."), diff --git a/drivers/video/backlight/omap1_bl.c b/drivers/video/backlight/omap1_bl.c index 8693e5fcd2e..409ca964352 100644 --- a/drivers/video/backlight/omap1_bl.c +++ b/drivers/video/backlight/omap1_bl.c @@ -125,7 +125,7 @@ static int omapbl_get_intensity(struct backlight_device *dev) return bl->current_intensity; } -static struct backlight_ops omapbl_ops = { +static const struct backlight_ops omapbl_ops = { .get_brightness = omapbl_get_intensity, .update_status = omapbl_update_status, }; diff --git a/drivers/video/backlight/progear_bl.c b/drivers/video/backlight/progear_bl.c index 9edaf24fd82..075786e0503 100644 --- a/drivers/video/backlight/progear_bl.c +++ b/drivers/video/backlight/progear_bl.c @@ -54,7 +54,7 @@ static int progearbl_get_intensity(struct backlight_device *bd) return intensity - HW_LEVEL_MIN; } -static struct backlight_ops progearbl_ops = { +static const struct backlight_ops progearbl_ops = { .get_brightness = progearbl_get_intensity, .update_status = progearbl_set_intensity, }; diff --git a/drivers/video/backlight/pwm_bl.c b/drivers/video/backlight/pwm_bl.c index 88716626744..9d2ec2a1cce 100644 --- a/drivers/video/backlight/pwm_bl.c +++ b/drivers/video/backlight/pwm_bl.c @@ -22,8 +22,10 @@ struct pwm_bl_data { struct pwm_device *pwm; + struct device *dev; unsigned int period; - int (*notify)(int brightness); + int (*notify)(struct device *, + int brightness); }; static int pwm_backlight_update_status(struct backlight_device *bl) @@ -39,7 +41,7 @@ static int pwm_backlight_update_status(struct backlight_device *bl) brightness = 0; if (pb->notify) - brightness = pb->notify(brightness); + brightness = pb->notify(pb->dev, brightness); if (brightness == 0) { pwm_config(pb->pwm, 0, pb->period); @@ -56,7 +58,7 @@ static int pwm_backlight_get_brightness(struct backlight_device *bl) return bl->props.brightness; } -static struct backlight_ops pwm_backlight_ops = { +static const struct backlight_ops pwm_backlight_ops = { .update_status = pwm_backlight_update_status, .get_brightness = pwm_backlight_get_brightness, }; @@ -88,6 +90,7 @@ static int pwm_backlight_probe(struct platform_device *pdev) pb->period = data->pwm_period_ns; pb->notify = data->notify; + pb->dev = &pdev->dev; pb->pwm = pwm_request(data->pwm_id, "backlight"); if (IS_ERR(pb->pwm)) { @@ -146,7 +149,7 @@ static int pwm_backlight_suspend(struct platform_device *pdev, struct pwm_bl_data *pb = dev_get_drvdata(&bl->dev); if (pb->notify) - pb->notify(0); + pb->notify(pb->dev, 0); pwm_config(pb->pwm, 0, pb->period); pwm_disable(pb->pwm); return 0; diff --git a/drivers/video/backlight/tosa_bl.c b/drivers/video/backlight/tosa_bl.c index 43edbada12d..e14ce4d469f 100644 --- a/drivers/video/backlight/tosa_bl.c +++ b/drivers/video/backlight/tosa_bl.c @@ -72,7 +72,7 @@ static int tosa_bl_get_brightness(struct backlight_device *dev) return props->brightness; } -static struct backlight_ops bl_ops = { +static const struct backlight_ops bl_ops = { .get_brightness = tosa_bl_get_brightness, .update_status = tosa_bl_update_status, }; diff --git a/drivers/video/backlight/wm831x_bl.c b/drivers/video/backlight/wm831x_bl.c index 467bdb7efb2..e32add37a20 100644 --- a/drivers/video/backlight/wm831x_bl.c +++ b/drivers/video/backlight/wm831x_bl.c @@ -112,7 +112,7 @@ static int wm831x_backlight_get_brightness(struct backlight_device *bl) return data->current_brightness; } -static struct backlight_ops wm831x_backlight_ops = { +static const struct backlight_ops wm831x_backlight_ops = { .options = BL_CORE_SUSPENDRESUME, .update_status = wm831x_backlight_update_status, .get_brightness = wm831x_backlight_get_brightness, diff --git a/drivers/video/omap/lcd_ldp.c b/drivers/video/omap/lcd_ldp.c index 5bb7f6f1460..0f5952cae85 100644 --- a/drivers/video/omap/lcd_ldp.c +++ b/drivers/video/omap/lcd_ldp.c @@ -24,7 +24,7 @@ #include <linux/module.h> #include <linux/platform_device.h> #include <linux/delay.h> -#include <linux/i2c/twl4030.h> +#include <linux/i2c/twl.h> #include <mach/gpio.h> #include <plat/mux.h> @@ -59,7 +59,7 @@ #define TWL4030_VPLL2_DEV_GRP 0x33 #define TWL4030_VPLL2_DEDICATED 0x36 -#define t2_out(c, r, v) twl4030_i2c_write_u8(c, r, v) +#define t2_out(c, r, v) twl_i2c_write_u8(c, r, v) static int ldp_panel_init(struct lcd_panel *panel, diff --git a/drivers/video/omap/lcd_omap2evm.c b/drivers/video/omap/lcd_omap2evm.c index 006c2fe7360..7e7a65c0845 100644 --- a/drivers/video/omap/lcd_omap2evm.c +++ b/drivers/video/omap/lcd_omap2evm.c @@ -24,7 +24,7 @@ #include <linux/module.h> #include <linux/platform_device.h> #include <linux/gpio.h> -#include <linux/i2c/twl4030.h> +#include <linux/i2c/twl.h> #include <plat/mux.h> #include <asm/mach-types.h> @@ -61,9 +61,9 @@ static int omap2evm_panel_init(struct lcd_panel *panel, gpio_direction_output(LCD_PANEL_LR, 1); gpio_direction_output(LCD_PANEL_UD, 1); - twl4030_i2c_write_u8(TWL4030_MODULE_LED, 0x11, TWL_LED_LEDEN); - twl4030_i2c_write_u8(TWL4030_MODULE_PWMA, 0x01, TWL_PWMA_PWMAON); - twl4030_i2c_write_u8(TWL4030_MODULE_PWMA, 0x02, TWL_PWMA_PWMAOFF); + twl_i2c_write_u8(TWL4030_MODULE_LED, 0x11, TWL_LED_LEDEN); + twl_i2c_write_u8(TWL4030_MODULE_PWMA, 0x01, TWL_PWMA_PWMAON); + twl_i2c_write_u8(TWL4030_MODULE_PWMA, 0x02, TWL_PWMA_PWMAOFF); bklight_level = 100; return 0; @@ -101,7 +101,7 @@ static int omap2evm_bklight_setlevel(struct lcd_panel *panel, u8 c; if ((level >= 0) && (level <= 100)) { c = (125 * (100 - level)) / 100 + 2; - twl4030_i2c_write_u8(TWL4030_MODULE_PWMA, c, TWL_PWMA_PWMAOFF); + twl_i2c_write_u8(TWL4030_MODULE_PWMA, c, TWL_PWMA_PWMAOFF); bklight_level = level; } return 0; diff --git a/drivers/video/omap/lcd_omap3beagle.c b/drivers/video/omap/lcd_omap3beagle.c index fc503d8f3c2..ca75cc2a87a 100644 --- a/drivers/video/omap/lcd_omap3beagle.c +++ b/drivers/video/omap/lcd_omap3beagle.c @@ -23,7 +23,7 @@ #include <linux/module.h> #include <linux/platform_device.h> #include <linux/gpio.h> -#include <linux/i2c/twl4030.h> +#include <linux/i2c/twl.h> #include <plat/mux.h> #include <plat/mux.h> diff --git a/drivers/video/omap/lcd_omap3evm.c b/drivers/video/omap/lcd_omap3evm.c index ae2edc4081a..06840da0b09 100644 --- a/drivers/video/omap/lcd_omap3evm.c +++ b/drivers/video/omap/lcd_omap3evm.c @@ -23,7 +23,7 @@ #include <linux/module.h> #include <linux/platform_device.h> #include <linux/gpio.h> -#include <linux/i2c/twl4030.h> +#include <linux/i2c/twl.h> #include <plat/mux.h> #include <asm/mach-types.h> @@ -63,9 +63,9 @@ static int omap3evm_panel_init(struct lcd_panel *panel, gpio_direction_output(LCD_PANEL_LR, 1); gpio_direction_output(LCD_PANEL_UD, 1); - twl4030_i2c_write_u8(TWL4030_MODULE_LED, 0x11, TWL_LED_LEDEN); - twl4030_i2c_write_u8(TWL4030_MODULE_PWMA, 0x01, TWL_PWMA_PWMAON); - twl4030_i2c_write_u8(TWL4030_MODULE_PWMA, 0x02, TWL_PWMA_PWMAOFF); + twl_i2c_write_u8(TWL4030_MODULE_LED, 0x11, TWL_LED_LEDEN); + twl_i2c_write_u8(TWL4030_MODULE_PWMA, 0x01, TWL_PWMA_PWMAON); + twl_i2c_write_u8(TWL4030_MODULE_PWMA, 0x02, TWL_PWMA_PWMAOFF); bklight_level = 100; return 0; @@ -102,7 +102,7 @@ static int omap3evm_bklight_setlevel(struct lcd_panel *panel, u8 c; if ((level >= 0) && (level <= 100)) { c = (125 * (100 - level)) / 100 + 2; - twl4030_i2c_write_u8(TWL4030_MODULE_PWMA, c, TWL_PWMA_PWMAOFF); + twl_i2c_write_u8(TWL4030_MODULE_PWMA, c, TWL_PWMA_PWMAOFF); bklight_level = level; } return 0; diff --git a/drivers/video/omap/lcd_overo.c b/drivers/video/omap/lcd_overo.c index 56ee192e9ee..564933ffac6 100644 --- a/drivers/video/omap/lcd_overo.c +++ b/drivers/video/omap/lcd_overo.c @@ -21,7 +21,7 @@ #include <linux/module.h> #include <linux/platform_device.h> -#include <linux/i2c/twl4030.h> +#include <linux/i2c/twl.h> #include <mach/gpio.h> #include <plat/mux.h> diff --git a/drivers/video/via/viafbdev.c b/drivers/video/via/viafbdev.c index 10d8c4b4bae..d8df17a7d5f 100644 --- a/drivers/video/via/viafbdev.c +++ b/drivers/video/via/viafbdev.c @@ -680,7 +680,7 @@ static int viafb_ioctl(struct fb_info *info, u_int cmd, u_long arg) if (!viafb_gamma_table) return -ENOMEM; if (copy_from_user(viafb_gamma_table, argp, - sizeof(viafb_gamma_table))) { + 256 * sizeof(u32))) { kfree(viafb_gamma_table); return -EFAULT; } @@ -694,7 +694,7 @@ static int viafb_ioctl(struct fb_info *info, u_int cmd, u_long arg) return -ENOMEM; viafb_get_gamma_table(viafb_gamma_table); if (copy_to_user(argp, viafb_gamma_table, - sizeof(viafb_gamma_table))) { + 256 * sizeof(u32))) { kfree(viafb_gamma_table); return -EFAULT; } diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig index d958b76430a..088f32f29a6 100644 --- a/drivers/watchdog/Kconfig +++ b/drivers/watchdog/Kconfig @@ -368,7 +368,7 @@ config ALIM7101_WDT config GEODE_WDT tristate "AMD Geode CS5535/CS5536 Watchdog" - depends on MGEODE_LX + depends on CS5535_MFGPT help This driver enables a watchdog capability built into the CS5535/CS5536 companion chips for the AMD Geode GX and LX @@ -815,16 +815,6 @@ config PNX833X_WDT timer has expired and no process has written to /dev/watchdog during that time. -config WDT_RM9K_GPI - tristate "RM9000/GPI hardware watchdog" - depends on CPU_RM9000 - help - Watchdog implementation using the GPI hardware found on - PMC-Sierra RM9xxx CPUs. - - To compile this driver as a module, choose M here: the - module will be called rm9k_wdt. - config SIBYTE_WDOG tristate "Sibyte SoC hardware watchdog" depends on CPU_SB1 diff --git a/drivers/watchdog/Makefile b/drivers/watchdog/Makefile index 89c045dc468..475c6110006 100644 --- a/drivers/watchdog/Makefile +++ b/drivers/watchdog/Makefile @@ -109,7 +109,6 @@ obj-$(CONFIG_RC32434_WDT) += rc32434_wdt.o obj-$(CONFIG_INDYDOG) += indydog.o obj-$(CONFIG_WDT_MTX1) += mtx-1_wdt.o obj-$(CONFIG_PNX833X_WDT) += pnx833x_wdt.o -obj-$(CONFIG_WDT_RM9K_GPI) += rm9k_wdt.o obj-$(CONFIG_SIBYTE_WDOG) += sb_wdog.o obj-$(CONFIG_AR7_WDT) += ar7_wdt.o obj-$(CONFIG_TXX9_WDT) += txx9wdt.o diff --git a/drivers/watchdog/geodewdt.c b/drivers/watchdog/geodewdt.c index 9acf0015a1e..38252ff828c 100644 --- a/drivers/watchdog/geodewdt.c +++ b/drivers/watchdog/geodewdt.c @@ -1,6 +1,7 @@ -/* Watchdog timer for the Geode GX/LX with the CS5535/CS5536 companion chip +/* Watchdog timer for machines with the CS5535/CS5536 companion chip * * Copyright (C) 2006-2007, Advanced Micro Devices, Inc. + * Copyright (C) 2009 Andres Salomon <dilinger@collabora.co.uk> * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License @@ -19,7 +20,7 @@ #include <linux/reboot.h> #include <linux/uaccess.h> -#include <asm/geode.h> +#include <linux/cs5535.h> #define GEODEWDT_HZ 500 #define GEODEWDT_SCALE 6 @@ -46,25 +47,25 @@ MODULE_PARM_DESC(nowayout, static struct platform_device *geodewdt_platform_device; static unsigned long wdt_flags; -static int wdt_timer; +static struct cs5535_mfgpt_timer *wdt_timer; static int safe_close; static void geodewdt_ping(void) { /* Stop the counter */ - geode_mfgpt_write(wdt_timer, MFGPT_REG_SETUP, 0); + cs5535_mfgpt_write(wdt_timer, MFGPT_REG_SETUP, 0); /* Reset the counter */ - geode_mfgpt_write(wdt_timer, MFGPT_REG_COUNTER, 0); + cs5535_mfgpt_write(wdt_timer, MFGPT_REG_COUNTER, 0); /* Enable the counter */ - geode_mfgpt_write(wdt_timer, MFGPT_REG_SETUP, MFGPT_SETUP_CNTEN); + cs5535_mfgpt_write(wdt_timer, MFGPT_REG_SETUP, MFGPT_SETUP_CNTEN); } static void geodewdt_disable(void) { - geode_mfgpt_write(wdt_timer, MFGPT_REG_SETUP, 0); - geode_mfgpt_write(wdt_timer, MFGPT_REG_COUNTER, 0); + cs5535_mfgpt_write(wdt_timer, MFGPT_REG_SETUP, 0); + cs5535_mfgpt_write(wdt_timer, MFGPT_REG_COUNTER, 0); } static int geodewdt_set_heartbeat(int val) @@ -72,10 +73,10 @@ static int geodewdt_set_heartbeat(int val) if (val < 1 || val > GEODEWDT_MAX_SECONDS) return -EINVAL; - geode_mfgpt_write(wdt_timer, MFGPT_REG_SETUP, 0); - geode_mfgpt_write(wdt_timer, MFGPT_REG_CMP2, val * GEODEWDT_HZ); - geode_mfgpt_write(wdt_timer, MFGPT_REG_COUNTER, 0); - geode_mfgpt_write(wdt_timer, MFGPT_REG_SETUP, MFGPT_SETUP_CNTEN); + cs5535_mfgpt_write(wdt_timer, MFGPT_REG_SETUP, 0); + cs5535_mfgpt_write(wdt_timer, MFGPT_REG_CMP2, val * GEODEWDT_HZ); + cs5535_mfgpt_write(wdt_timer, MFGPT_REG_COUNTER, 0); + cs5535_mfgpt_write(wdt_timer, MFGPT_REG_SETUP, MFGPT_SETUP_CNTEN); timeout = val; return 0; @@ -215,28 +216,25 @@ static struct miscdevice geodewdt_miscdev = { static int __devinit geodewdt_probe(struct platform_device *dev) { - int ret, timer; - - timer = geode_mfgpt_alloc_timer(MFGPT_TIMER_ANY, MFGPT_DOMAIN_WORKING); + int ret; - if (timer == -1) { + wdt_timer = cs5535_mfgpt_alloc_timer(MFGPT_TIMER_ANY, MFGPT_DOMAIN_WORKING); + if (!wdt_timer) { printk(KERN_ERR "geodewdt: No timers were available\n"); return -ENODEV; } - wdt_timer = timer; - /* Set up the timer */ - geode_mfgpt_write(wdt_timer, MFGPT_REG_SETUP, + cs5535_mfgpt_write(wdt_timer, MFGPT_REG_SETUP, GEODEWDT_SCALE | (3 << 8)); /* Set up comparator 2 to reset when the event fires */ - geode_mfgpt_toggle_event(wdt_timer, MFGPT_CMP2, MFGPT_EVENT_RESET, 1); + cs5535_mfgpt_toggle_event(wdt_timer, MFGPT_CMP2, MFGPT_EVENT_RESET, 1); /* Set up the initial timeout */ - geode_mfgpt_write(wdt_timer, MFGPT_REG_CMP2, + cs5535_mfgpt_write(wdt_timer, MFGPT_REG_CMP2, timeout * GEODEWDT_HZ); ret = misc_register(&geodewdt_miscdev); diff --git a/drivers/watchdog/rm9k_wdt.c b/drivers/watchdog/rm9k_wdt.c deleted file mode 100644 index bb66958b943..00000000000 --- a/drivers/watchdog/rm9k_wdt.c +++ /dev/null @@ -1,419 +0,0 @@ -/* - * Watchdog implementation for GPI h/w found on PMC-Sierra RM9xxx - * chips. - * - * Copyright (C) 2004 by Basler Vision Technologies AG - * Author: Thomas Koeller <thomas.koeller@baslerweb.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#include <linux/platform_device.h> -#include <linux/module.h> -#include <linux/moduleparam.h> -#include <linux/interrupt.h> -#include <linux/fs.h> -#include <linux/reboot.h> -#include <linux/notifier.h> -#include <linux/miscdevice.h> -#include <linux/watchdog.h> -#include <linux/io.h> -#include <linux/uaccess.h> -#include <asm/atomic.h> -#include <asm/processor.h> -#include <asm/system.h> -#include <asm/rm9k-ocd.h> - -#include <rm9k_wdt.h> - - -#define CLOCK 125000000 -#define MAX_TIMEOUT_SECONDS 32 -#define CPCCR 0x0080 -#define CPGIG1SR 0x0044 -#define CPGIG1ER 0x0054 - - -/* Function prototypes */ -static irqreturn_t wdt_gpi_irqhdl(int, void *); -static void wdt_gpi_start(void); -static void wdt_gpi_stop(void); -static void wdt_gpi_set_timeout(unsigned int); -static int wdt_gpi_open(struct inode *, struct file *); -static int wdt_gpi_release(struct inode *, struct file *); -static ssize_t wdt_gpi_write(struct file *, const char __user *, size_t, - loff_t *); -static long wdt_gpi_ioctl(struct file *, unsigned int, unsigned long); -static int wdt_gpi_notify(struct notifier_block *, unsigned long, void *); -static const struct resource *wdt_gpi_get_resource(struct platform_device *, - const char *, unsigned int); -static int __init wdt_gpi_probe(struct platform_device *); -static int __exit wdt_gpi_remove(struct platform_device *); - - -static const char wdt_gpi_name[] = "wdt_gpi"; -static atomic_t opencnt; -static int expect_close; -static int locked; - - -/* These are set from device resources */ -static void __iomem *wd_regs; -static unsigned int wd_irq, wd_ctr; - - -/* Module arguments */ -static int timeout = MAX_TIMEOUT_SECONDS; -module_param(timeout, int, 0444); -MODULE_PARM_DESC(timeout, "Watchdog timeout in seconds"); - -static unsigned long resetaddr = 0xbffdc200; -module_param(resetaddr, ulong, 0444); -MODULE_PARM_DESC(resetaddr, "Address to write to to force a reset"); - -static unsigned long flagaddr = 0xbffdc104; -module_param(flagaddr, ulong, 0444); -MODULE_PARM_DESC(flagaddr, "Address to write to boot flags to"); - -static int powercycle; -module_param(powercycle, bool, 0444); -MODULE_PARM_DESC(powercycle, "Cycle power if watchdog expires"); - -static int nowayout = WATCHDOG_NOWAYOUT; -module_param(nowayout, bool, 0444); -MODULE_PARM_DESC(nowayout, "Watchdog cannot be disabled once started"); - - -/* Kernel interfaces */ -static const struct file_operations fops = { - .owner = THIS_MODULE, - .open = wdt_gpi_open, - .release = wdt_gpi_release, - .write = wdt_gpi_write, - .unlocked_ioctl = wdt_gpi_ioctl, -}; - -static struct miscdevice miscdev = { - .minor = WATCHDOG_MINOR, - .name = wdt_gpi_name, - .fops = &fops, -}; - -static struct notifier_block wdt_gpi_shutdown = { - .notifier_call = wdt_gpi_notify, -}; - - -/* Interrupt handler */ -static irqreturn_t wdt_gpi_irqhdl(int irq, void *ctxt) -{ - if (!unlikely(__raw_readl(wd_regs + 0x0008) & 0x1)) - return IRQ_NONE; - __raw_writel(0x1, wd_regs + 0x0008); - - - printk(KERN_CRIT "%s: watchdog expired - resetting system\n", - wdt_gpi_name); - - *(volatile char *) flagaddr |= 0x01; - *(volatile char *) resetaddr = powercycle ? 0x01 : 0x2; - iob(); - while (1) - cpu_relax(); -} - - -/* Watchdog functions */ -static void wdt_gpi_start(void) -{ - u32 reg; - - lock_titan_regs(); - reg = titan_readl(CPGIG1ER); - titan_writel(reg | (0x100 << wd_ctr), CPGIG1ER); - iob(); - unlock_titan_regs(); -} - -static void wdt_gpi_stop(void) -{ - u32 reg; - - lock_titan_regs(); - reg = titan_readl(CPCCR) & ~(0xf << (wd_ctr * 4)); - titan_writel(reg, CPCCR); - reg = titan_readl(CPGIG1ER); - titan_writel(reg & ~(0x100 << wd_ctr), CPGIG1ER); - iob(); - unlock_titan_regs(); -} - -static void wdt_gpi_set_timeout(unsigned int to) -{ - u32 reg; - const u32 wdval = (to * CLOCK) & ~0x0000000f; - - lock_titan_regs(); - reg = titan_readl(CPCCR) & ~(0xf << (wd_ctr * 4)); - titan_writel(reg, CPCCR); - wmb(); - __raw_writel(wdval, wd_regs + 0x0000); - wmb(); - titan_writel(reg | (0x2 << (wd_ctr * 4)), CPCCR); - wmb(); - titan_writel(reg | (0x5 << (wd_ctr * 4)), CPCCR); - iob(); - unlock_titan_regs(); -} - - -/* /dev/watchdog operations */ -static int wdt_gpi_open(struct inode *inode, struct file *file) -{ - int res; - - if (unlikely(atomic_dec_if_positive(&opencnt) < 0)) - return -EBUSY; - - expect_close = 0; - if (locked) { - module_put(THIS_MODULE); - free_irq(wd_irq, &miscdev); - locked = 0; - } - - res = request_irq(wd_irq, wdt_gpi_irqhdl, IRQF_SHARED | IRQF_DISABLED, - wdt_gpi_name, &miscdev); - if (unlikely(res)) - return res; - - wdt_gpi_set_timeout(timeout); - wdt_gpi_start(); - - printk(KERN_INFO "%s: watchdog started, timeout = %u seconds\n", - wdt_gpi_name, timeout); - return nonseekable_open(inode, file); -} - -static int wdt_gpi_release(struct inode *inode, struct file *file) -{ - if (nowayout) { - printk(KERN_INFO "%s: no way out - watchdog left running\n", - wdt_gpi_name); - __module_get(THIS_MODULE); - locked = 1; - } else { - if (expect_close) { - wdt_gpi_stop(); - free_irq(wd_irq, &miscdev); - printk(KERN_INFO "%s: watchdog stopped\n", - wdt_gpi_name); - } else { - printk(KERN_CRIT "%s: unexpected close() -" - " watchdog left running\n", - wdt_gpi_name); - wdt_gpi_set_timeout(timeout); - __module_get(THIS_MODULE); - locked = 1; - } - } - - atomic_inc(&opencnt); - return 0; -} - -static ssize_t wdt_gpi_write(struct file *f, const char __user *d, size_t s, - loff_t *o) -{ - char val; - - wdt_gpi_set_timeout(timeout); - expect_close = (s > 0) && !get_user(val, d) && (val == 'V'); - return s ? 1 : 0; -} - -static long wdt_gpi_ioctl(struct file *f, unsigned int cmd, unsigned long arg) -{ - long res = -ENOTTY; - const long size = _IOC_SIZE(cmd); - int stat; - void __user *argp = (void __user *)arg; - static struct watchdog_info wdinfo = { - .identity = "RM9xxx/GPI watchdog", - .firmware_version = 0, - .options = WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING - }; - - if (unlikely(_IOC_TYPE(cmd) != WATCHDOG_IOCTL_BASE)) - return -ENOTTY; - - if ((_IOC_DIR(cmd) & _IOC_READ) - && !access_ok(VERIFY_WRITE, arg, size)) - return -EFAULT; - - if ((_IOC_DIR(cmd) & _IOC_WRITE) - && !access_ok(VERIFY_READ, arg, size)) - return -EFAULT; - - expect_close = 0; - - switch (cmd) { - case WDIOC_GETSUPPORT: - wdinfo.options = nowayout ? - WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING : - WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING | - WDIOF_MAGICCLOSE; - res = __copy_to_user(argp, &wdinfo, size) ? -EFAULT : size; - break; - - case WDIOC_GETSTATUS: - break; - - case WDIOC_GETBOOTSTATUS: - stat = (*(volatile char *) flagaddr & 0x01) - ? WDIOF_CARDRESET : 0; - res = __copy_to_user(argp, &stat, size) ? - -EFAULT : size; - break; - - case WDIOC_SETOPTIONS: - break; - - case WDIOC_KEEPALIVE: - wdt_gpi_set_timeout(timeout); - res = size; - break; - - case WDIOC_SETTIMEOUT: - { - int val; - if (unlikely(__copy_from_user(&val, argp, size))) { - res = -EFAULT; - break; - } - - if (val > MAX_TIMEOUT_SECONDS) - val = MAX_TIMEOUT_SECONDS; - timeout = val; - wdt_gpi_set_timeout(val); - res = size; - printk(KERN_INFO "%s: timeout set to %u seconds\n", - wdt_gpi_name, timeout); - } - break; - - case WDIOC_GETTIMEOUT: - res = __copy_to_user(argp, &timeout, size) ? - -EFAULT : size; - break; - } - - return res; -} - - -/* Shutdown notifier */ -static int wdt_gpi_notify(struct notifier_block *this, unsigned long code, - void *unused) -{ - if (code == SYS_DOWN || code == SYS_HALT) - wdt_gpi_stop(); - - return NOTIFY_DONE; -} - - -/* Init & exit procedures */ -static const struct resource *wdt_gpi_get_resource(struct platform_device *pdv, - const char *name, unsigned int type) -{ - char buf[80]; - if (snprintf(buf, sizeof(buf), "%s_0", name) >= sizeof(buf)) - return NULL; - return platform_get_resource_byname(pdv, type, buf); -} - -/* No hotplugging on the platform bus - use __devinit */ -static int __devinit wdt_gpi_probe(struct platform_device *pdv) -{ - int res; - const struct resource - * const rr = wdt_gpi_get_resource(pdv, WDT_RESOURCE_REGS, - IORESOURCE_MEM), - * const ri = wdt_gpi_get_resource(pdv, WDT_RESOURCE_IRQ, - IORESOURCE_IRQ), - * const rc = wdt_gpi_get_resource(pdv, WDT_RESOURCE_COUNTER, - 0); - - if (unlikely(!rr || !ri || !rc)) - return -ENXIO; - - wd_regs = ioremap_nocache(rr->start, rr->end + 1 - rr->start); - if (unlikely(!wd_regs)) - return -ENOMEM; - wd_irq = ri->start; - wd_ctr = rc->start; - res = misc_register(&miscdev); - if (res) - iounmap(wd_regs); - else - register_reboot_notifier(&wdt_gpi_shutdown); - return res; -} - -static int __devexit wdt_gpi_remove(struct platform_device *dev) -{ - int res; - - unregister_reboot_notifier(&wdt_gpi_shutdown); - res = misc_deregister(&miscdev); - iounmap(wd_regs); - wd_regs = NULL; - return res; -} - - -/* Device driver init & exit */ -static struct platform_driver wgt_gpi_driver = { - .driver = { - .name = wdt_gpi_name, - .owner = THIS_MODULE, - }, - .probe = wdt_gpi_probe, - .remove = __devexit_p(wdt_gpi_remove), -}; - -static int __init wdt_gpi_init_module(void) -{ - atomic_set(&opencnt, 1); - if (timeout > MAX_TIMEOUT_SECONDS) - timeout = MAX_TIMEOUT_SECONDS; - return platform_driver_register(&wdt_gpi_driver); -} - -static void __exit wdt_gpi_cleanup_module(void) -{ - platform_driver_unregister(&wdt_gpi_driver); -} - -module_init(wdt_gpi_init_module); -module_exit(wdt_gpi_cleanup_module); - -MODULE_AUTHOR("Thomas Koeller <thomas.koeller@baslerweb.com>"); -MODULE_DESCRIPTION("Basler eXcite watchdog driver for gpi devices"); -MODULE_VERSION("0.1"); -MODULE_LICENSE("GPL"); -MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR); - diff --git a/fs/Kconfig b/fs/Kconfig index f8fccaaad62..64d44efad7a 100644 --- a/fs/Kconfig +++ b/fs/Kconfig @@ -6,10 +6,6 @@ menu "File systems" if BLOCK -config FS_JOURNAL_INFO - bool - default n - source "fs/ext2/Kconfig" source "fs/ext3/Kconfig" source "fs/ext4/Kconfig" diff --git a/fs/anon_inodes.c b/fs/anon_inodes.c index 94f5110c465..2c994591f4d 100644 --- a/fs/anon_inodes.c +++ b/fs/anon_inodes.c @@ -35,14 +35,13 @@ static int anon_inodefs_get_sb(struct file_system_type *fs_type, int flags, mnt); } -static int anon_inodefs_delete_dentry(struct dentry *dentry) +/* + * anon_inodefs_dname() is called from d_path(). + */ +static char *anon_inodefs_dname(struct dentry *dentry, char *buffer, int buflen) { - /* - * We faked vfs to believe the dentry was hashed when we created it. - * Now we restore the flag so that dput() will work correctly. - */ - dentry->d_flags |= DCACHE_UNHASHED; - return 1; + return dynamic_dname(dentry, buffer, buflen, "anon_inode:%s", + dentry->d_name.name); } static struct file_system_type anon_inode_fs_type = { @@ -51,7 +50,7 @@ static struct file_system_type anon_inode_fs_type = { .kill_sb = kill_anon_super, }; static const struct dentry_operations anon_inodefs_dentry_operations = { - .d_delete = anon_inodefs_delete_dentry, + .d_dname = anon_inodefs_dname, }; /* @@ -119,8 +118,6 @@ struct file *anon_inode_getfile(const char *name, atomic_inc(&anon_inode_inode->i_count); path.dentry->d_op = &anon_inodefs_dentry_operations; - /* Do not publish this dentry inside the global dentry hash table */ - path.dentry->d_flags &= ~DCACHE_UNHASHED; d_instantiate(path.dentry, anon_inode_inode); error = -ENFILE; diff --git a/fs/binfmt_aout.c b/fs/binfmt_aout.c index b639dcf7c77..346b6940536 100644 --- a/fs/binfmt_aout.c +++ b/fs/binfmt_aout.c @@ -32,7 +32,7 @@ static int load_aout_binary(struct linux_binprm *, struct pt_regs * regs); static int load_aout_library(struct file*); -static int aout_core_dump(long signr, struct pt_regs *regs, struct file *file, unsigned long limit); +static int aout_core_dump(struct coredump_params *cprm); static struct linux_binfmt aout_format = { .module = THIS_MODULE, @@ -89,8 +89,9 @@ if (file->f_op->llseek) { \ * dumping of the process results in another error.. */ -static int aout_core_dump(long signr, struct pt_regs *regs, struct file *file, unsigned long limit) +static int aout_core_dump(struct coredump_params *cprm) { + struct file *file = cprm->file; mm_segment_t fs; int has_dumped = 0; unsigned long dump_start, dump_size; @@ -108,16 +109,16 @@ static int aout_core_dump(long signr, struct pt_regs *regs, struct file *file, u current->flags |= PF_DUMPCORE; strncpy(dump.u_comm, current->comm, sizeof(dump.u_comm)); dump.u_ar0 = offsetof(struct user, regs); - dump.signal = signr; - aout_dump_thread(regs, &dump); + dump.signal = cprm->signr; + aout_dump_thread(cprm->regs, &dump); /* If the size of the dump file exceeds the rlimit, then see what would happen if we wrote the stack, but not the data area. */ - if ((dump.u_dsize + dump.u_ssize+1) * PAGE_SIZE > limit) + if ((dump.u_dsize + dump.u_ssize+1) * PAGE_SIZE > cprm->limit) dump.u_dsize = 0; /* Make sure we have enough room to write the stack and data areas. */ - if ((dump.u_ssize + 1) * PAGE_SIZE > limit) + if ((dump.u_ssize + 1) * PAGE_SIZE > cprm->limit) dump.u_ssize = 0; /* make sure we actually have a data and stack area to dump */ diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c index 97b6e9efeb7..edd90c49003 100644 --- a/fs/binfmt_elf.c +++ b/fs/binfmt_elf.c @@ -45,7 +45,7 @@ static unsigned long elf_map(struct file *, unsigned long, struct elf_phdr *, * don't even try. */ #ifdef CONFIG_ELF_CORE -static int elf_core_dump(long signr, struct pt_regs *regs, struct file *file, unsigned long limit); +static int elf_core_dump(struct coredump_params *cprm); #else #define elf_core_dump NULL #endif @@ -1272,8 +1272,9 @@ static int writenote(struct memelfnote *men, struct file *file, } #undef DUMP_WRITE -#define DUMP_WRITE(addr, nr) \ - if ((size += (nr)) > limit || !dump_write(file, (addr), (nr))) \ +#define DUMP_WRITE(addr, nr) \ + if ((size += (nr)) > cprm->limit || \ + !dump_write(cprm->file, (addr), (nr))) \ goto end_coredump; static void fill_elf_header(struct elfhdr *elf, int segs, @@ -1901,7 +1902,7 @@ static struct vm_area_struct *next_vma(struct vm_area_struct *this_vma, * and then they are actually written out. If we run out of core limit * we just truncate. */ -static int elf_core_dump(long signr, struct pt_regs *regs, struct file *file, unsigned long limit) +static int elf_core_dump(struct coredump_params *cprm) { int has_dumped = 0; mm_segment_t fs; @@ -1947,7 +1948,7 @@ static int elf_core_dump(long signr, struct pt_regs *regs, struct file *file, un * notes. This also sets up the file header. */ if (!fill_note_info(elf, segs + 1, /* including notes section */ - &info, signr, regs)) + &info, cprm->signr, cprm->regs)) goto cleanup; has_dumped = 1; @@ -2009,14 +2010,14 @@ static int elf_core_dump(long signr, struct pt_regs *regs, struct file *file, un #endif /* write out the notes section */ - if (!write_note_info(&info, file, &foffset)) + if (!write_note_info(&info, cprm->file, &foffset)) goto end_coredump; - if (elf_coredump_extra_notes_write(file, &foffset)) + if (elf_coredump_extra_notes_write(cprm->file, &foffset)) goto end_coredump; /* Align to page */ - if (!dump_seek(file, dataoff - foffset)) + if (!dump_seek(cprm->file, dataoff - foffset)) goto end_coredump; for (vma = first_vma(current, gate_vma); vma != NULL; @@ -2033,12 +2034,13 @@ static int elf_core_dump(long signr, struct pt_regs *regs, struct file *file, un page = get_dump_page(addr); if (page) { void *kaddr = kmap(page); - stop = ((size += PAGE_SIZE) > limit) || - !dump_write(file, kaddr, PAGE_SIZE); + stop = ((size += PAGE_SIZE) > cprm->limit) || + !dump_write(cprm->file, kaddr, + PAGE_SIZE); kunmap(page); page_cache_release(page); } else - stop = !dump_seek(file, PAGE_SIZE); + stop = !dump_seek(cprm->file, PAGE_SIZE); if (stop) goto end_coredump; } diff --git a/fs/binfmt_elf_fdpic.c b/fs/binfmt_elf_fdpic.c index 7b055385db8..c25256a5c5b 100644 --- a/fs/binfmt_elf_fdpic.c +++ b/fs/binfmt_elf_fdpic.c @@ -76,7 +76,7 @@ static int elf_fdpic_map_file_by_direct_mmap(struct elf_fdpic_params *, struct file *, struct mm_struct *); #ifdef CONFIG_ELF_CORE -static int elf_fdpic_core_dump(long, struct pt_regs *, struct file *, unsigned long limit); +static int elf_fdpic_core_dump(struct coredump_params *cprm); #endif static struct linux_binfmt elf_fdpic_format = { @@ -1326,8 +1326,9 @@ static int writenote(struct memelfnote *men, struct file *file) #undef DUMP_WRITE #undef DUMP_SEEK -#define DUMP_WRITE(addr, nr) \ - if ((size += (nr)) > limit || !dump_write(file, (addr), (nr))) \ +#define DUMP_WRITE(addr, nr) \ + if ((size += (nr)) > cprm->limit || \ + !dump_write(cprm->file, (addr), (nr))) \ goto end_coredump; static inline void fill_elf_fdpic_header(struct elfhdr *elf, int segs) @@ -1582,8 +1583,7 @@ static int elf_fdpic_dump_segments(struct file *file, size_t *size, * and then they are actually written out. If we run out of core limit * we just truncate. */ -static int elf_fdpic_core_dump(long signr, struct pt_regs *regs, - struct file *file, unsigned long limit) +static int elf_fdpic_core_dump(struct coredump_params *cprm) { #define NUM_NOTES 6 int has_dumped = 0; @@ -1642,7 +1642,7 @@ static int elf_fdpic_core_dump(long signr, struct pt_regs *regs, goto cleanup; #endif - if (signr) { + if (cprm->signr) { struct core_thread *ct; struct elf_thread_status *tmp; @@ -1661,14 +1661,14 @@ static int elf_fdpic_core_dump(long signr, struct pt_regs *regs, int sz; tmp = list_entry(t, struct elf_thread_status, list); - sz = elf_dump_thread_status(signr, tmp); + sz = elf_dump_thread_status(cprm->signr, tmp); thread_status_size += sz; } } /* now collect the dump for the current */ - fill_prstatus(prstatus, current, signr); - elf_core_copy_regs(&prstatus->pr_reg, regs); + fill_prstatus(prstatus, current, cprm->signr); + elf_core_copy_regs(&prstatus->pr_reg, cprm->regs); segs = current->mm->map_count; #ifdef ELF_CORE_EXTRA_PHDRS @@ -1703,7 +1703,7 @@ static int elf_fdpic_core_dump(long signr, struct pt_regs *regs, /* Try to dump the FPU. */ if ((prstatus->pr_fpvalid = - elf_core_copy_task_fpregs(current, regs, fpu))) + elf_core_copy_task_fpregs(current, cprm->regs, fpu))) fill_note(notes + numnote++, "CORE", NT_PRFPREG, sizeof(*fpu), fpu); #ifdef ELF_CORE_COPY_XFPREGS @@ -1774,7 +1774,7 @@ static int elf_fdpic_core_dump(long signr, struct pt_regs *regs, /* write out the notes section */ for (i = 0; i < numnote; i++) - if (!writenote(notes + i, file)) + if (!writenote(notes + i, cprm->file)) goto end_coredump; /* write out the thread status notes section */ @@ -1783,14 +1783,15 @@ static int elf_fdpic_core_dump(long signr, struct pt_regs *regs, list_entry(t, struct elf_thread_status, list); for (i = 0; i < tmp->num_notes; i++) - if (!writenote(&tmp->notes[i], file)) + if (!writenote(&tmp->notes[i], cprm->file)) goto end_coredump; } - if (!dump_seek(file, dataoff)) + if (!dump_seek(cprm->file, dataoff)) goto end_coredump; - if (elf_fdpic_dump_segments(file, &size, &limit, mm_flags) < 0) + if (elf_fdpic_dump_segments(cprm->file, &size, &cprm->limit, + mm_flags) < 0) goto end_coredump; #ifdef ELF_CORE_WRITE_EXTRA_DATA diff --git a/fs/binfmt_flat.c b/fs/binfmt_flat.c index a2796651e75..d4a00ea1054 100644 --- a/fs/binfmt_flat.c +++ b/fs/binfmt_flat.c @@ -87,7 +87,7 @@ static int load_flat_shared_library(int id, struct lib_info *p); #endif static int load_flat_binary(struct linux_binprm *, struct pt_regs * regs); -static int flat_core_dump(long signr, struct pt_regs *regs, struct file *file, unsigned long limit); +static int flat_core_dump(struct coredump_params *cprm); static struct linux_binfmt flat_format = { .module = THIS_MODULE, @@ -102,10 +102,10 @@ static struct linux_binfmt flat_format = { * Currently only a stub-function. */ -static int flat_core_dump(long signr, struct pt_regs *regs, struct file *file, unsigned long limit) +static int flat_core_dump(struct coredump_params *cprm) { printk("Process %s:%d received signr %d and should have core dumped\n", - current->comm, current->pid, (int) signr); + current->comm, current->pid, (int) cprm->signr); return(1); } diff --git a/fs/binfmt_som.c b/fs/binfmt_som.c index eff74b9c9e7..2a9b5330cc5 100644 --- a/fs/binfmt_som.c +++ b/fs/binfmt_som.c @@ -43,7 +43,7 @@ static int load_som_library(struct file *); * don't even try. */ #if 0 -static int som_core_dump(long signr, struct pt_regs *regs, unsigned long limit); +static int som_core_dump(struct coredump_params *cprm); #else #define som_core_dump NULL #endif diff --git a/fs/btrfs/Kconfig b/fs/btrfs/Kconfig index 402afe0a0bf..7bb3c020e57 100644 --- a/fs/btrfs/Kconfig +++ b/fs/btrfs/Kconfig @@ -4,7 +4,6 @@ config BTRFS_FS select LIBCRC32C select ZLIB_INFLATE select ZLIB_DEFLATE - select FS_JOURNAL_INFO help Btrfs is a new filesystem with extents, writable snapshotting, support for multiple devices and many more features. diff --git a/fs/btrfs/acl.c b/fs/btrfs/acl.c index 52cbe47022b..2e9e69987a8 100644 --- a/fs/btrfs/acl.c +++ b/fs/btrfs/acl.c @@ -94,7 +94,8 @@ static int btrfs_xattr_acl_get(struct dentry *dentry, const char *name, /* * Needs to be called with fs_mutex held */ -static int btrfs_set_acl(struct inode *inode, struct posix_acl *acl, int type) +static int btrfs_set_acl(struct btrfs_trans_handle *trans, + struct inode *inode, struct posix_acl *acl, int type) { int ret, size = 0; const char *name; @@ -140,8 +141,7 @@ static int btrfs_set_acl(struct inode *inode, struct posix_acl *acl, int type) goto out; } - ret = __btrfs_setxattr(inode, name, value, size, 0); - + ret = __btrfs_setxattr(trans, inode, name, value, size, 0); out: kfree(value); @@ -154,7 +154,7 @@ out: static int btrfs_xattr_acl_set(struct dentry *dentry, const char *name, const void *value, size_t size, int flags, int type) { - int ret = 0; + int ret; struct posix_acl *acl = NULL; if (value) { @@ -167,7 +167,7 @@ static int btrfs_xattr_acl_set(struct dentry *dentry, const char *name, } } - ret = btrfs_set_acl(dentry->d_inode, acl, type); + ret = btrfs_set_acl(NULL, dentry->d_inode, acl, type); posix_acl_release(acl); @@ -196,7 +196,8 @@ int btrfs_check_acl(struct inode *inode, int mask) * stuff has been fixed to work with that. If the locking stuff changes, we * need to re-evaluate the acl locking stuff. */ -int btrfs_init_acl(struct inode *inode, struct inode *dir) +int btrfs_init_acl(struct btrfs_trans_handle *trans, + struct inode *inode, struct inode *dir) { struct posix_acl *acl = NULL; int ret = 0; @@ -221,7 +222,8 @@ int btrfs_init_acl(struct inode *inode, struct inode *dir) mode_t mode; if (S_ISDIR(inode->i_mode)) { - ret = btrfs_set_acl(inode, acl, ACL_TYPE_DEFAULT); + ret = btrfs_set_acl(trans, inode, acl, + ACL_TYPE_DEFAULT); if (ret) goto failed; } @@ -236,7 +238,7 @@ int btrfs_init_acl(struct inode *inode, struct inode *dir) inode->i_mode = mode; if (ret > 0) { /* we need an acl */ - ret = btrfs_set_acl(inode, clone, + ret = btrfs_set_acl(trans, inode, clone, ACL_TYPE_ACCESS); } } @@ -269,7 +271,7 @@ int btrfs_acl_chmod(struct inode *inode) ret = posix_acl_chmod_masq(clone, inode->i_mode); if (!ret) - ret = btrfs_set_acl(inode, clone, ACL_TYPE_ACCESS); + ret = btrfs_set_acl(NULL, inode, clone, ACL_TYPE_ACCESS); posix_acl_release(clone); @@ -297,7 +299,8 @@ int btrfs_acl_chmod(struct inode *inode) return 0; } -int btrfs_init_acl(struct inode *inode, struct inode *dir) +int btrfs_init_acl(struct btrfs_trans_handle *trans, + struct inode *inode, struct inode *dir) { return 0; } diff --git a/fs/btrfs/btrfs_inode.h b/fs/btrfs/btrfs_inode.h index f6783a42f01..3f1f50d9d91 100644 --- a/fs/btrfs/btrfs_inode.h +++ b/fs/btrfs/btrfs_inode.h @@ -44,9 +44,6 @@ struct btrfs_inode { */ struct extent_io_tree io_failure_tree; - /* held while inesrting or deleting extents from files */ - struct mutex extent_mutex; - /* held while logging the inode in tree-log.c */ struct mutex log_mutex; @@ -166,7 +163,7 @@ static inline struct btrfs_inode *BTRFS_I(struct inode *inode) static inline void btrfs_i_size_write(struct inode *inode, u64 size) { - inode->i_size = size; + i_size_write(inode, size); BTRFS_I(inode)->disk_i_size = size; } diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c index ec96f3a6d53..c4bc570a396 100644 --- a/fs/btrfs/ctree.c +++ b/fs/btrfs/ctree.c @@ -37,6 +37,11 @@ static int balance_node_right(struct btrfs_trans_handle *trans, struct extent_buffer *src_buf); static int del_ptr(struct btrfs_trans_handle *trans, struct btrfs_root *root, struct btrfs_path *path, int level, int slot); +static int setup_items_for_insert(struct btrfs_trans_handle *trans, + struct btrfs_root *root, struct btrfs_path *path, + struct btrfs_key *cpu_key, u32 *data_size, + u32 total_data, u32 total_size, int nr); + struct btrfs_path *btrfs_alloc_path(void) { @@ -451,9 +456,8 @@ static noinline int __btrfs_cow_block(struct btrfs_trans_handle *trans, extent_buffer_get(cow); spin_unlock(&root->node_lock); - btrfs_free_extent(trans, root, buf->start, buf->len, - parent_start, root->root_key.objectid, - level, 0); + btrfs_free_tree_block(trans, root, buf->start, buf->len, + parent_start, root->root_key.objectid, level); free_extent_buffer(buf); add_root_to_dirty_list(root); } else { @@ -468,9 +472,8 @@ static noinline int __btrfs_cow_block(struct btrfs_trans_handle *trans, btrfs_set_node_ptr_generation(parent, parent_slot, trans->transid); btrfs_mark_buffer_dirty(parent); - btrfs_free_extent(trans, root, buf->start, buf->len, - parent_start, root->root_key.objectid, - level, 0); + btrfs_free_tree_block(trans, root, buf->start, buf->len, + parent_start, root->root_key.objectid, level); } if (unlock_orig) btrfs_tree_unlock(buf); @@ -1030,8 +1033,8 @@ static noinline int balance_level(struct btrfs_trans_handle *trans, btrfs_tree_unlock(mid); /* once for the path */ free_extent_buffer(mid); - ret = btrfs_free_extent(trans, root, mid->start, mid->len, - 0, root->root_key.objectid, level, 1); + ret = btrfs_free_tree_block(trans, root, mid->start, mid->len, + 0, root->root_key.objectid, level); /* once for the root ptr */ free_extent_buffer(mid); return ret; @@ -1095,10 +1098,10 @@ static noinline int balance_level(struct btrfs_trans_handle *trans, 1); if (wret) ret = wret; - wret = btrfs_free_extent(trans, root, bytenr, - blocksize, 0, - root->root_key.objectid, - level, 0); + wret = btrfs_free_tree_block(trans, root, + bytenr, blocksize, 0, + root->root_key.objectid, + level); if (wret) ret = wret; } else { @@ -1143,9 +1146,8 @@ static noinline int balance_level(struct btrfs_trans_handle *trans, wret = del_ptr(trans, root, path, level + 1, pslot); if (wret) ret = wret; - wret = btrfs_free_extent(trans, root, bytenr, blocksize, - 0, root->root_key.objectid, - level, 0); + wret = btrfs_free_tree_block(trans, root, bytenr, blocksize, + 0, root->root_key.objectid, level); if (wret) ret = wret; } else { @@ -2997,75 +2999,85 @@ again: return ret; } -/* - * This function splits a single item into two items, - * giving 'new_key' to the new item and splitting the - * old one at split_offset (from the start of the item). - * - * The path may be released by this operation. After - * the split, the path is pointing to the old item. The - * new item is going to be in the same node as the old one. - * - * Note, the item being split must be smaller enough to live alone on - * a tree block with room for one extra struct btrfs_item - * - * This allows us to split the item in place, keeping a lock on the - * leaf the entire time. - */ -int btrfs_split_item(struct btrfs_trans_handle *trans, - struct btrfs_root *root, - struct btrfs_path *path, - struct btrfs_key *new_key, - unsigned long split_offset) +static noinline int setup_leaf_for_split(struct btrfs_trans_handle *trans, + struct btrfs_root *root, + struct btrfs_path *path, int ins_len) { - u32 item_size; + struct btrfs_key key; struct extent_buffer *leaf; - struct btrfs_key orig_key; - struct btrfs_item *item; - struct btrfs_item *new_item; - int ret = 0; - int slot; - u32 nritems; - u32 orig_offset; - struct btrfs_disk_key disk_key; - char *buf; + struct btrfs_file_extent_item *fi; + u64 extent_len = 0; + u32 item_size; + int ret; leaf = path->nodes[0]; - btrfs_item_key_to_cpu(leaf, &orig_key, path->slots[0]); - if (btrfs_leaf_free_space(root, leaf) >= sizeof(struct btrfs_item)) - goto split; + btrfs_item_key_to_cpu(leaf, &key, path->slots[0]); + + BUG_ON(key.type != BTRFS_EXTENT_DATA_KEY && + key.type != BTRFS_EXTENT_CSUM_KEY); + + if (btrfs_leaf_free_space(root, leaf) >= ins_len) + return 0; item_size = btrfs_item_size_nr(leaf, path->slots[0]); + if (key.type == BTRFS_EXTENT_DATA_KEY) { + fi = btrfs_item_ptr(leaf, path->slots[0], + struct btrfs_file_extent_item); + extent_len = btrfs_file_extent_num_bytes(leaf, fi); + } btrfs_release_path(root, path); - path->search_for_split = 1; path->keep_locks = 1; - - ret = btrfs_search_slot(trans, root, &orig_key, path, 0, 1); + path->search_for_split = 1; + ret = btrfs_search_slot(trans, root, &key, path, 0, 1); path->search_for_split = 0; + if (ret < 0) + goto err; + ret = -EAGAIN; + leaf = path->nodes[0]; /* if our item isn't there or got smaller, return now */ - if (ret != 0 || item_size != btrfs_item_size_nr(path->nodes[0], - path->slots[0])) { - path->keep_locks = 0; - return -EAGAIN; + if (ret > 0 || item_size != btrfs_item_size_nr(leaf, path->slots[0])) + goto err; + + if (key.type == BTRFS_EXTENT_DATA_KEY) { + fi = btrfs_item_ptr(leaf, path->slots[0], + struct btrfs_file_extent_item); + if (extent_len != btrfs_file_extent_num_bytes(leaf, fi)) + goto err; } btrfs_set_path_blocking(path); - ret = split_leaf(trans, root, &orig_key, path, - sizeof(struct btrfs_item), 1); - path->keep_locks = 0; + ret = split_leaf(trans, root, &key, path, ins_len, 1); BUG_ON(ret); + path->keep_locks = 0; btrfs_unlock_up_safe(path, 1); + return 0; +err: + path->keep_locks = 0; + return ret; +} + +static noinline int split_item(struct btrfs_trans_handle *trans, + struct btrfs_root *root, + struct btrfs_path *path, + struct btrfs_key *new_key, + unsigned long split_offset) +{ + struct extent_buffer *leaf; + struct btrfs_item *item; + struct btrfs_item *new_item; + int slot; + char *buf; + u32 nritems; + u32 item_size; + u32 orig_offset; + struct btrfs_disk_key disk_key; + leaf = path->nodes[0]; BUG_ON(btrfs_leaf_free_space(root, leaf) < sizeof(struct btrfs_item)); -split: - /* - * make sure any changes to the path from split_leaf leave it - * in a blocking state - */ btrfs_set_path_blocking(path); item = btrfs_item_nr(leaf, path->slots[0]); @@ -3073,19 +3085,19 @@ split: item_size = btrfs_item_size(leaf, item); buf = kmalloc(item_size, GFP_NOFS); + if (!buf) + return -ENOMEM; + read_extent_buffer(leaf, buf, btrfs_item_ptr_offset(leaf, path->slots[0]), item_size); - slot = path->slots[0] + 1; - leaf = path->nodes[0]; + slot = path->slots[0] + 1; nritems = btrfs_header_nritems(leaf); - if (slot != nritems) { /* shift the items */ memmove_extent_buffer(leaf, btrfs_item_nr_offset(slot + 1), - btrfs_item_nr_offset(slot), - (nritems - slot) * sizeof(struct btrfs_item)); - + btrfs_item_nr_offset(slot), + (nritems - slot) * sizeof(struct btrfs_item)); } btrfs_cpu_key_to_disk(&disk_key, new_key); @@ -3113,16 +3125,81 @@ split: item_size - split_offset); btrfs_mark_buffer_dirty(leaf); - ret = 0; - if (btrfs_leaf_free_space(root, leaf) < 0) { - btrfs_print_leaf(root, leaf); - BUG(); - } + BUG_ON(btrfs_leaf_free_space(root, leaf) < 0); kfree(buf); + return 0; +} + +/* + * This function splits a single item into two items, + * giving 'new_key' to the new item and splitting the + * old one at split_offset (from the start of the item). + * + * The path may be released by this operation. After + * the split, the path is pointing to the old item. The + * new item is going to be in the same node as the old one. + * + * Note, the item being split must be smaller enough to live alone on + * a tree block with room for one extra struct btrfs_item + * + * This allows us to split the item in place, keeping a lock on the + * leaf the entire time. + */ +int btrfs_split_item(struct btrfs_trans_handle *trans, + struct btrfs_root *root, + struct btrfs_path *path, + struct btrfs_key *new_key, + unsigned long split_offset) +{ + int ret; + ret = setup_leaf_for_split(trans, root, path, + sizeof(struct btrfs_item)); + if (ret) + return ret; + + ret = split_item(trans, root, path, new_key, split_offset); return ret; } /* + * This function duplicate a item, giving 'new_key' to the new item. + * It guarantees both items live in the same tree leaf and the new item + * is contiguous with the original item. + * + * This allows us to split file extent in place, keeping a lock on the + * leaf the entire time. + */ +int btrfs_duplicate_item(struct btrfs_trans_handle *trans, + struct btrfs_root *root, + struct btrfs_path *path, + struct btrfs_key *new_key) +{ + struct extent_buffer *leaf; + int ret; + u32 item_size; + + leaf = path->nodes[0]; + item_size = btrfs_item_size_nr(leaf, path->slots[0]); + ret = setup_leaf_for_split(trans, root, path, + item_size + sizeof(struct btrfs_item)); + if (ret) + return ret; + + path->slots[0]++; + ret = setup_items_for_insert(trans, root, path, new_key, &item_size, + item_size, item_size + + sizeof(struct btrfs_item), 1); + BUG_ON(ret); + + leaf = path->nodes[0]; + memcpy_extent_buffer(leaf, + btrfs_item_ptr_offset(leaf, path->slots[0]), + btrfs_item_ptr_offset(leaf, path->slots[0] - 1), + item_size); + return 0; +} + +/* * make the item pointed to by the path smaller. new_size indicates * how small to make it, and from_end tells us if we just chop bytes * off the end of the item or if we shift the item to chop bytes off @@ -3714,8 +3791,8 @@ static noinline int btrfs_del_leaf(struct btrfs_trans_handle *trans, */ btrfs_unlock_up_safe(path, 0); - ret = btrfs_free_extent(trans, root, leaf->start, leaf->len, - 0, root->root_key.objectid, 0, 0); + ret = btrfs_free_tree_block(trans, root, leaf->start, leaf->len, + 0, root->root_key.objectid, 0); return ret; } /* diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index 444b3e9b92a..9f806dd04c2 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -310,6 +310,9 @@ struct btrfs_header { #define BTRFS_MAX_INLINE_DATA_SIZE(r) (BTRFS_LEAF_DATA_SIZE(r) - \ sizeof(struct btrfs_item) - \ sizeof(struct btrfs_file_extent_item)) +#define BTRFS_MAX_XATTR_SIZE(r) (BTRFS_LEAF_DATA_SIZE(r) - \ + sizeof(struct btrfs_item) -\ + sizeof(struct btrfs_dir_item)) /* @@ -859,8 +862,9 @@ struct btrfs_fs_info { struct mutex ordered_operations_mutex; struct rw_semaphore extent_commit_sem; - struct rw_semaphore subvol_sem; + struct rw_semaphore cleanup_work_sem; + struct rw_semaphore subvol_sem; struct srcu_struct subvol_srcu; struct list_head trans_list; @@ -868,6 +872,9 @@ struct btrfs_fs_info { struct list_head dead_roots; struct list_head caching_block_groups; + spinlock_t delayed_iput_lock; + struct list_head delayed_iputs; + atomic_t nr_async_submits; atomic_t async_submit_draining; atomic_t nr_async_bios; @@ -1034,12 +1041,12 @@ struct btrfs_root { int ref_cows; int track_dirty; int in_radix; + int clean_orphans; u64 defrag_trans_start; struct btrfs_key defrag_progress; struct btrfs_key defrag_max; int defrag_running; - int defrag_level; char *name; int in_sysfs; @@ -1975,6 +1982,10 @@ struct extent_buffer *btrfs_alloc_free_block(struct btrfs_trans_handle *trans, u64 parent, u64 root_objectid, struct btrfs_disk_key *key, int level, u64 hint, u64 empty_size); +int btrfs_free_tree_block(struct btrfs_trans_handle *trans, + struct btrfs_root *root, + u64 bytenr, u32 blocksize, + u64 parent, u64 root_objectid, int level); struct extent_buffer *btrfs_init_new_buffer(struct btrfs_trans_handle *trans, struct btrfs_root *root, u64 bytenr, u32 blocksize, @@ -2089,6 +2100,10 @@ int btrfs_split_item(struct btrfs_trans_handle *trans, struct btrfs_path *path, struct btrfs_key *new_key, unsigned long split_offset); +int btrfs_duplicate_item(struct btrfs_trans_handle *trans, + struct btrfs_root *root, + struct btrfs_path *path, + struct btrfs_key *new_key); int btrfs_search_slot(struct btrfs_trans_handle *trans, struct btrfs_root *root, struct btrfs_key *key, struct btrfs_path *p, int ins_len, int cow); @@ -2196,9 +2211,10 @@ int btrfs_delete_one_dir_name(struct btrfs_trans_handle *trans, struct btrfs_path *path, struct btrfs_dir_item *di); int btrfs_insert_xattr_item(struct btrfs_trans_handle *trans, - struct btrfs_root *root, const char *name, - u16 name_len, const void *data, u16 data_len, - u64 dir); + struct btrfs_root *root, + struct btrfs_path *path, u64 objectid, + const char *name, u16 name_len, + const void *data, u16 data_len); struct btrfs_dir_item *btrfs_lookup_xattr(struct btrfs_trans_handle *trans, struct btrfs_root *root, struct btrfs_path *path, u64 dir, @@ -2292,7 +2308,7 @@ int btrfs_truncate_inode_items(struct btrfs_trans_handle *trans, struct inode *inode, u64 new_size, u32 min_type); -int btrfs_start_delalloc_inodes(struct btrfs_root *root); +int btrfs_start_delalloc_inodes(struct btrfs_root *root, int delay_iput); int btrfs_set_extent_delalloc(struct inode *inode, u64 start, u64 end); int btrfs_writepages(struct address_space *mapping, struct writeback_control *wbc); @@ -2332,6 +2348,8 @@ int btrfs_orphan_del(struct btrfs_trans_handle *trans, struct inode *inode); void btrfs_orphan_cleanup(struct btrfs_root *root); int btrfs_cont_expand(struct inode *inode, loff_t size); int btrfs_invalidate_inodes(struct btrfs_root *root); +void btrfs_add_delayed_iput(struct inode *inode); +void btrfs_run_delayed_iputs(struct btrfs_root *root); extern const struct dentry_operations btrfs_dentry_operations; /* ioctl.c */ @@ -2345,12 +2363,9 @@ int btrfs_drop_extent_cache(struct inode *inode, u64 start, u64 end, int skip_pinned); int btrfs_check_file(struct btrfs_root *root, struct inode *inode); extern const struct file_operations btrfs_file_operations; -int btrfs_drop_extents(struct btrfs_trans_handle *trans, - struct btrfs_root *root, struct inode *inode, - u64 start, u64 end, u64 locked_end, - u64 inline_limit, u64 *hint_block, int drop_cache); +int btrfs_drop_extents(struct btrfs_trans_handle *trans, struct inode *inode, + u64 start, u64 end, u64 *hint_byte, int drop_cache); int btrfs_mark_extent_written(struct btrfs_trans_handle *trans, - struct btrfs_root *root, struct inode *inode, u64 start, u64 end); int btrfs_release_file(struct inode *inode, struct file *file); @@ -2380,7 +2395,8 @@ int btrfs_check_acl(struct inode *inode, int mask); #else #define btrfs_check_acl NULL #endif -int btrfs_init_acl(struct inode *inode, struct inode *dir); +int btrfs_init_acl(struct btrfs_trans_handle *trans, + struct inode *inode, struct inode *dir); int btrfs_acl_chmod(struct inode *inode); /* relocation.c */ diff --git a/fs/btrfs/dir-item.c b/fs/btrfs/dir-item.c index f3a6075519c..e9103b3baa4 100644 --- a/fs/btrfs/dir-item.c +++ b/fs/btrfs/dir-item.c @@ -68,12 +68,12 @@ static struct btrfs_dir_item *insert_with_overflow(struct btrfs_trans_handle * into the tree */ int btrfs_insert_xattr_item(struct btrfs_trans_handle *trans, - struct btrfs_root *root, const char *name, - u16 name_len, const void *data, u16 data_len, - u64 dir) + struct btrfs_root *root, + struct btrfs_path *path, u64 objectid, + const char *name, u16 name_len, + const void *data, u16 data_len) { int ret = 0; - struct btrfs_path *path; struct btrfs_dir_item *dir_item; unsigned long name_ptr, data_ptr; struct btrfs_key key, location; @@ -81,15 +81,11 @@ int btrfs_insert_xattr_item(struct btrfs_trans_handle *trans, struct extent_buffer *leaf; u32 data_size; - key.objectid = dir; + BUG_ON(name_len + data_len > BTRFS_MAX_XATTR_SIZE(root)); + + key.objectid = objectid; btrfs_set_key_type(&key, BTRFS_XATTR_ITEM_KEY); key.offset = btrfs_name_hash(name, name_len); - path = btrfs_alloc_path(); - if (!path) - return -ENOMEM; - if (name_len + data_len + sizeof(struct btrfs_dir_item) > - BTRFS_LEAF_DATA_SIZE(root) - sizeof(struct btrfs_item)) - return -ENOSPC; data_size = sizeof(*dir_item) + name_len + data_len; dir_item = insert_with_overflow(trans, root, path, &key, data_size, @@ -117,7 +113,6 @@ int btrfs_insert_xattr_item(struct btrfs_trans_handle *trans, write_extent_buffer(leaf, data, data_ptr, data_len); btrfs_mark_buffer_dirty(path->nodes[0]); - btrfs_free_path(path); return ret; } diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index 02b6afbd745..009e3bd18f2 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -892,6 +892,8 @@ static int __setup_root(u32 nodesize, u32 leafsize, u32 sectorsize, root->stripesize = stripesize; root->ref_cows = 0; root->track_dirty = 0; + root->in_radix = 0; + root->clean_orphans = 0; root->fs_info = fs_info; root->objectid = objectid; @@ -928,7 +930,6 @@ static int __setup_root(u32 nodesize, u32 leafsize, u32 sectorsize, root->defrag_trans_start = fs_info->generation; init_completion(&root->kobj_unregister); root->defrag_running = 0; - root->defrag_level = 0; root->root_key.objectid = objectid; root->anon_super.s_root = NULL; root->anon_super.s_dev = 0; @@ -980,12 +981,12 @@ int btrfs_free_log_root_tree(struct btrfs_trans_handle *trans, while (1) { ret = find_first_extent_bit(&log_root_tree->dirty_log_pages, - 0, &start, &end, EXTENT_DIRTY); + 0, &start, &end, EXTENT_DIRTY | EXTENT_NEW); if (ret) break; - clear_extent_dirty(&log_root_tree->dirty_log_pages, - start, end, GFP_NOFS); + clear_extent_bits(&log_root_tree->dirty_log_pages, start, end, + EXTENT_DIRTY | EXTENT_NEW, GFP_NOFS); } eb = fs_info->log_root_tree->node; @@ -1210,8 +1211,10 @@ again: ret = radix_tree_insert(&fs_info->fs_roots_radix, (unsigned long)root->root_key.objectid, root); - if (ret == 0) + if (ret == 0) { root->in_radix = 1; + root->clean_orphans = 1; + } spin_unlock(&fs_info->fs_roots_radix_lock); radix_tree_preload_end(); if (ret) { @@ -1225,10 +1228,6 @@ again: ret = btrfs_find_dead_roots(fs_info->tree_root, root->root_key.objectid); WARN_ON(ret); - - if (!(fs_info->sb->s_flags & MS_RDONLY)) - btrfs_orphan_cleanup(root); - return root; fail: free_fs_root(root); @@ -1477,6 +1476,7 @@ static int cleaner_kthread(void *arg) if (!(root->fs_info->sb->s_flags & MS_RDONLY) && mutex_trylock(&root->fs_info->cleaner_mutex)) { + btrfs_run_delayed_iputs(root); btrfs_clean_old_snapshots(root); mutex_unlock(&root->fs_info->cleaner_mutex); } @@ -1606,6 +1606,7 @@ struct btrfs_root *open_ctree(struct super_block *sb, INIT_RADIX_TREE(&fs_info->fs_roots_radix, GFP_ATOMIC); INIT_LIST_HEAD(&fs_info->trans_list); INIT_LIST_HEAD(&fs_info->dead_roots); + INIT_LIST_HEAD(&fs_info->delayed_iputs); INIT_LIST_HEAD(&fs_info->hashers); INIT_LIST_HEAD(&fs_info->delalloc_inodes); INIT_LIST_HEAD(&fs_info->ordered_operations); @@ -1614,6 +1615,7 @@ struct btrfs_root *open_ctree(struct super_block *sb, spin_lock_init(&fs_info->new_trans_lock); spin_lock_init(&fs_info->ref_cache_lock); spin_lock_init(&fs_info->fs_roots_radix_lock); + spin_lock_init(&fs_info->delayed_iput_lock); init_completion(&fs_info->kobj_unregister); fs_info->tree_root = tree_root; @@ -1689,6 +1691,7 @@ struct btrfs_root *open_ctree(struct super_block *sb, mutex_init(&fs_info->cleaner_mutex); mutex_init(&fs_info->volume_mutex); init_rwsem(&fs_info->extent_commit_sem); + init_rwsem(&fs_info->cleanup_work_sem); init_rwsem(&fs_info->subvol_sem); btrfs_init_free_cluster(&fs_info->meta_alloc_cluster); @@ -2386,8 +2389,14 @@ int btrfs_commit_super(struct btrfs_root *root) int ret; mutex_lock(&root->fs_info->cleaner_mutex); + btrfs_run_delayed_iputs(root); btrfs_clean_old_snapshots(root); mutex_unlock(&root->fs_info->cleaner_mutex); + + /* wait until ongoing cleanup work done */ + down_write(&root->fs_info->cleanup_work_sem); + up_write(&root->fs_info->cleanup_work_sem); + trans = btrfs_start_transaction(root, 1); ret = btrfs_commit_transaction(trans, root); BUG_ON(ret); diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index 94627c4cc19..56e50137d0e 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -195,6 +195,14 @@ static int exclude_super_stripes(struct btrfs_root *root, int stripe_len; int i, nr, ret; + if (cache->key.objectid < BTRFS_SUPER_INFO_OFFSET) { + stripe_len = BTRFS_SUPER_INFO_OFFSET - cache->key.objectid; + cache->bytes_super += stripe_len; + ret = add_excluded_extent(root, cache->key.objectid, + stripe_len); + BUG_ON(ret); + } + for (i = 0; i < BTRFS_SUPER_MIRROR_MAX; i++) { bytenr = btrfs_sb_offset(i); ret = btrfs_rmap_block(&root->fs_info->mapping_tree, @@ -255,7 +263,7 @@ static u64 add_new_free_space(struct btrfs_block_group_cache *block_group, if (ret) break; - if (extent_start == start) { + if (extent_start <= start) { start = extent_end + 1; } else if (extent_start > start && extent_start < end) { size = extent_start - start; @@ -2880,9 +2888,9 @@ static noinline void flush_delalloc_async(struct btrfs_work *work) root = async->root; info = async->info; - btrfs_start_delalloc_inodes(root); + btrfs_start_delalloc_inodes(root, 0); wake_up(&info->flush_wait); - btrfs_wait_ordered_extents(root, 0); + btrfs_wait_ordered_extents(root, 0, 0); spin_lock(&info->lock); info->flushing = 0; @@ -2956,8 +2964,8 @@ static void flush_delalloc(struct btrfs_root *root, return; flush: - btrfs_start_delalloc_inodes(root); - btrfs_wait_ordered_extents(root, 0); + btrfs_start_delalloc_inodes(root, 0); + btrfs_wait_ordered_extents(root, 0, 0); spin_lock(&info->lock); info->flushing = 0; @@ -3454,14 +3462,6 @@ static int update_block_group(struct btrfs_trans_handle *trans, else old_val -= num_bytes; btrfs_set_super_bytes_used(&info->super_copy, old_val); - - /* block accounting for root item */ - old_val = btrfs_root_used(&root->root_item); - if (alloc) - old_val += num_bytes; - else - old_val -= num_bytes; - btrfs_set_root_used(&root->root_item, old_val); spin_unlock(&info->delalloc_lock); while (total) { @@ -4049,6 +4049,21 @@ int btrfs_free_extent(struct btrfs_trans_handle *trans, return ret; } +int btrfs_free_tree_block(struct btrfs_trans_handle *trans, + struct btrfs_root *root, + u64 bytenr, u32 blocksize, + u64 parent, u64 root_objectid, int level) +{ + u64 used; + spin_lock(&root->node_lock); + used = btrfs_root_used(&root->root_item) - blocksize; + btrfs_set_root_used(&root->root_item, used); + spin_unlock(&root->node_lock); + + return btrfs_free_extent(trans, root, bytenr, blocksize, + parent, root_objectid, level, 0); +} + static u64 stripe_align(struct btrfs_root *root, u64 val) { u64 mask = ((u64)root->stripesize - 1); @@ -4578,7 +4593,6 @@ int btrfs_reserve_extent(struct btrfs_trans_handle *trans, { int ret; u64 search_start = 0; - struct btrfs_fs_info *info = root->fs_info; data = btrfs_get_alloc_profile(root, data); again: @@ -4586,17 +4600,9 @@ again: * the only place that sets empty_size is btrfs_realloc_node, which * is not called recursively on allocations */ - if (empty_size || root->ref_cows) { - if (!(data & BTRFS_BLOCK_GROUP_METADATA)) { - ret = do_chunk_alloc(trans, root->fs_info->extent_root, - 2 * 1024 * 1024, - BTRFS_BLOCK_GROUP_METADATA | - (info->metadata_alloc_profile & - info->avail_metadata_alloc_bits), 0); - } + if (empty_size || root->ref_cows) ret = do_chunk_alloc(trans, root->fs_info->extent_root, num_bytes + 2 * 1024 * 1024, data, 0); - } WARN_ON(num_bytes < root->sectorsize); ret = find_free_extent(trans, root, num_bytes, empty_size, @@ -4897,6 +4903,14 @@ static int alloc_tree_block(struct btrfs_trans_handle *trans, extent_op); BUG_ON(ret); } + + if (root_objectid == root->root_key.objectid) { + u64 used; + spin_lock(&root->node_lock); + used = btrfs_root_used(&root->root_item) + num_bytes; + btrfs_set_root_used(&root->root_item, used); + spin_unlock(&root->node_lock); + } return ret; } @@ -4919,8 +4933,16 @@ struct extent_buffer *btrfs_init_new_buffer(struct btrfs_trans_handle *trans, btrfs_set_buffer_uptodate(buf); if (root->root_key.objectid == BTRFS_TREE_LOG_OBJECTID) { - set_extent_dirty(&root->dirty_log_pages, buf->start, - buf->start + buf->len - 1, GFP_NOFS); + /* + * we allow two log transactions at a time, use different + * EXENT bit to differentiate dirty pages. + */ + if (root->log_transid % 2 == 0) + set_extent_dirty(&root->dirty_log_pages, buf->start, + buf->start + buf->len - 1, GFP_NOFS); + else + set_extent_new(&root->dirty_log_pages, buf->start, + buf->start + buf->len - 1, GFP_NOFS); } else { set_extent_dirty(&trans->transaction->dirty_pages, buf->start, buf->start + buf->len - 1, GFP_NOFS); diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c index 77f759302e1..feaa13b105d 100644 --- a/fs/btrfs/file.c +++ b/fs/btrfs/file.c @@ -179,18 +179,14 @@ int btrfs_drop_extent_cache(struct inode *inode, u64 start, u64 end, } flags = em->flags; if (skip_pinned && test_bit(EXTENT_FLAG_PINNED, &em->flags)) { - if (em->start <= start && - (!testend || em->start + em->len >= start + len)) { + if (testend && em->start + em->len >= start + len) { free_extent_map(em); write_unlock(&em_tree->lock); break; } - if (start < em->start) { - len = em->start - start; - } else { + start = em->start + em->len; + if (testend) len = start + len - (em->start + em->len); - start = em->start + em->len; - } free_extent_map(em); write_unlock(&em_tree->lock); continue; @@ -265,319 +261,247 @@ int btrfs_drop_extent_cache(struct inode *inode, u64 start, u64 end, * If an extent intersects the range but is not entirely inside the range * it is either truncated or split. Anything entirely inside the range * is deleted from the tree. - * - * inline_limit is used to tell this code which offsets in the file to keep - * if they contain inline extents. */ -noinline int btrfs_drop_extents(struct btrfs_trans_handle *trans, - struct btrfs_root *root, struct inode *inode, - u64 start, u64 end, u64 locked_end, - u64 inline_limit, u64 *hint_byte, int drop_cache) +int btrfs_drop_extents(struct btrfs_trans_handle *trans, struct inode *inode, + u64 start, u64 end, u64 *hint_byte, int drop_cache) { - u64 extent_end = 0; - u64 search_start = start; - u64 ram_bytes = 0; - u64 disk_bytenr = 0; - u64 orig_locked_end = locked_end; - u8 compression; - u8 encryption; - u16 other_encoding = 0; + struct btrfs_root *root = BTRFS_I(inode)->root; struct extent_buffer *leaf; - struct btrfs_file_extent_item *extent; + struct btrfs_file_extent_item *fi; struct btrfs_path *path; struct btrfs_key key; - struct btrfs_file_extent_item old; - int keep; - int slot; - int bookend; - int found_type = 0; - int found_extent; - int found_inline; + struct btrfs_key new_key; + u64 search_start = start; + u64 disk_bytenr = 0; + u64 num_bytes = 0; + u64 extent_offset = 0; + u64 extent_end = 0; + int del_nr = 0; + int del_slot = 0; + int extent_type; int recow; int ret; - inline_limit = 0; if (drop_cache) btrfs_drop_extent_cache(inode, start, end - 1, 0); path = btrfs_alloc_path(); if (!path) return -ENOMEM; + while (1) { recow = 0; - btrfs_release_path(root, path); ret = btrfs_lookup_file_extent(trans, root, path, inode->i_ino, search_start, -1); if (ret < 0) - goto out; - if (ret > 0) { - if (path->slots[0] == 0) { - ret = 0; - goto out; - } - path->slots[0]--; + break; + if (ret > 0 && path->slots[0] > 0 && search_start == start) { + leaf = path->nodes[0]; + btrfs_item_key_to_cpu(leaf, &key, path->slots[0] - 1); + if (key.objectid == inode->i_ino && + key.type == BTRFS_EXTENT_DATA_KEY) + path->slots[0]--; } + ret = 0; next_slot: - keep = 0; - bookend = 0; - found_extent = 0; - found_inline = 0; - compression = 0; - encryption = 0; - extent = NULL; leaf = path->nodes[0]; - slot = path->slots[0]; - ret = 0; - btrfs_item_key_to_cpu(leaf, &key, slot); - if (btrfs_key_type(&key) == BTRFS_EXTENT_DATA_KEY && - key.offset >= end) { - goto out; - } - if (btrfs_key_type(&key) > BTRFS_EXTENT_DATA_KEY || - key.objectid != inode->i_ino) { - goto out; - } - if (recow) { - search_start = max(key.offset, start); - continue; - } - if (btrfs_key_type(&key) == BTRFS_EXTENT_DATA_KEY) { - extent = btrfs_item_ptr(leaf, slot, - struct btrfs_file_extent_item); - found_type = btrfs_file_extent_type(leaf, extent); - compression = btrfs_file_extent_compression(leaf, - extent); - encryption = btrfs_file_extent_encryption(leaf, - extent); - other_encoding = btrfs_file_extent_other_encoding(leaf, - extent); - if (found_type == BTRFS_FILE_EXTENT_REG || - found_type == BTRFS_FILE_EXTENT_PREALLOC) { - extent_end = - btrfs_file_extent_disk_bytenr(leaf, - extent); - if (extent_end) - *hint_byte = extent_end; - - extent_end = key.offset + - btrfs_file_extent_num_bytes(leaf, extent); - ram_bytes = btrfs_file_extent_ram_bytes(leaf, - extent); - found_extent = 1; - } else if (found_type == BTRFS_FILE_EXTENT_INLINE) { - found_inline = 1; - extent_end = key.offset + - btrfs_file_extent_inline_len(leaf, extent); + if (path->slots[0] >= btrfs_header_nritems(leaf)) { + BUG_ON(del_nr > 0); + ret = btrfs_next_leaf(root, path); + if (ret < 0) + break; + if (ret > 0) { + ret = 0; + break; } + leaf = path->nodes[0]; + recow = 1; + } + + btrfs_item_key_to_cpu(leaf, &key, path->slots[0]); + if (key.objectid > inode->i_ino || + key.type > BTRFS_EXTENT_DATA_KEY || key.offset >= end) + break; + + fi = btrfs_item_ptr(leaf, path->slots[0], + struct btrfs_file_extent_item); + extent_type = btrfs_file_extent_type(leaf, fi); + + if (extent_type == BTRFS_FILE_EXTENT_REG || + extent_type == BTRFS_FILE_EXTENT_PREALLOC) { + disk_bytenr = btrfs_file_extent_disk_bytenr(leaf, fi); + num_bytes = btrfs_file_extent_disk_num_bytes(leaf, fi); + extent_offset = btrfs_file_extent_offset(leaf, fi); + extent_end = key.offset + + btrfs_file_extent_num_bytes(leaf, fi); + } else if (extent_type == BTRFS_FILE_EXTENT_INLINE) { + extent_end = key.offset + + btrfs_file_extent_inline_len(leaf, fi); } else { + WARN_ON(1); extent_end = search_start; } - /* we found nothing we can drop */ - if ((!found_extent && !found_inline) || - search_start >= extent_end) { - int nextret; - u32 nritems; - nritems = btrfs_header_nritems(leaf); - if (slot >= nritems - 1) { - nextret = btrfs_next_leaf(root, path); - if (nextret) - goto out; - recow = 1; - } else { - path->slots[0]++; - } + if (extent_end <= search_start) { + path->slots[0]++; goto next_slot; } - if (end <= extent_end && start >= key.offset && found_inline) - *hint_byte = EXTENT_MAP_INLINE; - - if (found_extent) { - read_extent_buffer(leaf, &old, (unsigned long)extent, - sizeof(old)); - } - - if (end < extent_end && end >= key.offset) { - bookend = 1; - if (found_inline && start <= key.offset) - keep = 1; + search_start = max(key.offset, start); + if (recow) { + btrfs_release_path(root, path); + continue; } - if (bookend && found_extent) { - if (locked_end < extent_end) { - ret = try_lock_extent(&BTRFS_I(inode)->io_tree, - locked_end, extent_end - 1, - GFP_NOFS); - if (!ret) { - btrfs_release_path(root, path); - lock_extent(&BTRFS_I(inode)->io_tree, - locked_end, extent_end - 1, - GFP_NOFS); - locked_end = extent_end; - continue; - } - locked_end = extent_end; + /* + * | - range to drop - | + * | -------- extent -------- | + */ + if (start > key.offset && end < extent_end) { + BUG_ON(del_nr > 0); + BUG_ON(extent_type == BTRFS_FILE_EXTENT_INLINE); + + memcpy(&new_key, &key, sizeof(new_key)); + new_key.offset = start; + ret = btrfs_duplicate_item(trans, root, path, + &new_key); + if (ret == -EAGAIN) { + btrfs_release_path(root, path); + continue; } - disk_bytenr = le64_to_cpu(old.disk_bytenr); - if (disk_bytenr != 0) { + if (ret < 0) + break; + + leaf = path->nodes[0]; + fi = btrfs_item_ptr(leaf, path->slots[0] - 1, + struct btrfs_file_extent_item); + btrfs_set_file_extent_num_bytes(leaf, fi, + start - key.offset); + + fi = btrfs_item_ptr(leaf, path->slots[0], + struct btrfs_file_extent_item); + + extent_offset += start - key.offset; + btrfs_set_file_extent_offset(leaf, fi, extent_offset); + btrfs_set_file_extent_num_bytes(leaf, fi, + extent_end - start); + btrfs_mark_buffer_dirty(leaf); + + if (disk_bytenr > 0) { ret = btrfs_inc_extent_ref(trans, root, - disk_bytenr, - le64_to_cpu(old.disk_num_bytes), 0, - root->root_key.objectid, - key.objectid, key.offset - - le64_to_cpu(old.offset)); + disk_bytenr, num_bytes, 0, + root->root_key.objectid, + new_key.objectid, + start - extent_offset); BUG_ON(ret); + *hint_byte = disk_bytenr; } + key.offset = start; } + /* + * | ---- range to drop ----- | + * | -------- extent -------- | + */ + if (start <= key.offset && end < extent_end) { + BUG_ON(extent_type == BTRFS_FILE_EXTENT_INLINE); - if (found_inline) { - u64 mask = root->sectorsize - 1; - search_start = (extent_end + mask) & ~mask; - } else - search_start = extent_end; - - /* truncate existing extent */ - if (start > key.offset) { - u64 new_num; - u64 old_num; - keep = 1; - WARN_ON(start & (root->sectorsize - 1)); - if (found_extent) { - new_num = start - key.offset; - old_num = btrfs_file_extent_num_bytes(leaf, - extent); - *hint_byte = - btrfs_file_extent_disk_bytenr(leaf, - extent); - if (btrfs_file_extent_disk_bytenr(leaf, - extent)) { - inode_sub_bytes(inode, old_num - - new_num); - } - btrfs_set_file_extent_num_bytes(leaf, - extent, new_num); - btrfs_mark_buffer_dirty(leaf); - } else if (key.offset < inline_limit && - (end > extent_end) && - (inline_limit < extent_end)) { - u32 new_size; - new_size = btrfs_file_extent_calc_inline_size( - inline_limit - key.offset); - inode_sub_bytes(inode, extent_end - - inline_limit); - btrfs_set_file_extent_ram_bytes(leaf, extent, - new_size); - if (!compression && !encryption) { - btrfs_truncate_item(trans, root, path, - new_size, 1); - } + memcpy(&new_key, &key, sizeof(new_key)); + new_key.offset = end; + btrfs_set_item_key_safe(trans, root, path, &new_key); + + extent_offset += end - key.offset; + btrfs_set_file_extent_offset(leaf, fi, extent_offset); + btrfs_set_file_extent_num_bytes(leaf, fi, + extent_end - end); + btrfs_mark_buffer_dirty(leaf); + if (disk_bytenr > 0) { + inode_sub_bytes(inode, end - key.offset); + *hint_byte = disk_bytenr; } + break; } - /* delete the entire extent */ - if (!keep) { - if (found_inline) - inode_sub_bytes(inode, extent_end - - key.offset); - ret = btrfs_del_item(trans, root, path); - /* TODO update progress marker and return */ - BUG_ON(ret); - extent = NULL; - btrfs_release_path(root, path); - /* the extent will be freed later */ - } - if (bookend && found_inline && start <= key.offset) { - u32 new_size; - new_size = btrfs_file_extent_calc_inline_size( - extent_end - end); - inode_sub_bytes(inode, end - key.offset); - btrfs_set_file_extent_ram_bytes(leaf, extent, - new_size); - if (!compression && !encryption) - ret = btrfs_truncate_item(trans, root, path, - new_size, 0); - BUG_ON(ret); - } - /* create bookend, splitting the extent in two */ - if (bookend && found_extent) { - struct btrfs_key ins; - ins.objectid = inode->i_ino; - ins.offset = end; - btrfs_set_key_type(&ins, BTRFS_EXTENT_DATA_KEY); - btrfs_release_path(root, path); - path->leave_spinning = 1; - ret = btrfs_insert_empty_item(trans, root, path, &ins, - sizeof(*extent)); - BUG_ON(ret); + search_start = extent_end; + /* + * | ---- range to drop ----- | + * | -------- extent -------- | + */ + if (start > key.offset && end >= extent_end) { + BUG_ON(del_nr > 0); + BUG_ON(extent_type == BTRFS_FILE_EXTENT_INLINE); - leaf = path->nodes[0]; - extent = btrfs_item_ptr(leaf, path->slots[0], - struct btrfs_file_extent_item); - write_extent_buffer(leaf, &old, - (unsigned long)extent, sizeof(old)); - - btrfs_set_file_extent_compression(leaf, extent, - compression); - btrfs_set_file_extent_encryption(leaf, extent, - encryption); - btrfs_set_file_extent_other_encoding(leaf, extent, - other_encoding); - btrfs_set_file_extent_offset(leaf, extent, - le64_to_cpu(old.offset) + end - key.offset); - WARN_ON(le64_to_cpu(old.num_bytes) < - (extent_end - end)); - btrfs_set_file_extent_num_bytes(leaf, extent, - extent_end - end); + btrfs_set_file_extent_num_bytes(leaf, fi, + start - key.offset); + btrfs_mark_buffer_dirty(leaf); + if (disk_bytenr > 0) { + inode_sub_bytes(inode, extent_end - start); + *hint_byte = disk_bytenr; + } + if (end == extent_end) + break; - /* - * set the ram bytes to the size of the full extent - * before splitting. This is a worst case flag, - * but its the best we can do because we don't know - * how splitting affects compression - */ - btrfs_set_file_extent_ram_bytes(leaf, extent, - ram_bytes); - btrfs_set_file_extent_type(leaf, extent, found_type); - - btrfs_unlock_up_safe(path, 1); - btrfs_mark_buffer_dirty(path->nodes[0]); - btrfs_set_lock_blocking(path->nodes[0]); - - path->leave_spinning = 0; - btrfs_release_path(root, path); - if (disk_bytenr != 0) - inode_add_bytes(inode, extent_end - end); + path->slots[0]++; + goto next_slot; } - if (found_extent && !keep) { - u64 old_disk_bytenr = le64_to_cpu(old.disk_bytenr); + /* + * | ---- range to drop ----- | + * | ------ extent ------ | + */ + if (start <= key.offset && end >= extent_end) { + if (del_nr == 0) { + del_slot = path->slots[0]; + del_nr = 1; + } else { + BUG_ON(del_slot + del_nr != path->slots[0]); + del_nr++; + } - if (old_disk_bytenr != 0) { + if (extent_type == BTRFS_FILE_EXTENT_INLINE) { inode_sub_bytes(inode, - le64_to_cpu(old.num_bytes)); + extent_end - key.offset); + extent_end = ALIGN(extent_end, + root->sectorsize); + } else if (disk_bytenr > 0) { ret = btrfs_free_extent(trans, root, - old_disk_bytenr, - le64_to_cpu(old.disk_num_bytes), - 0, root->root_key.objectid, + disk_bytenr, num_bytes, 0, + root->root_key.objectid, key.objectid, key.offset - - le64_to_cpu(old.offset)); + extent_offset); BUG_ON(ret); - *hint_byte = old_disk_bytenr; + inode_sub_bytes(inode, + extent_end - key.offset); + *hint_byte = disk_bytenr; } - } - if (search_start >= end) { - ret = 0; - goto out; + if (end == extent_end) + break; + + if (path->slots[0] + 1 < btrfs_header_nritems(leaf)) { + path->slots[0]++; + goto next_slot; + } + + ret = btrfs_del_items(trans, root, path, del_slot, + del_nr); + BUG_ON(ret); + + del_nr = 0; + del_slot = 0; + + btrfs_release_path(root, path); + continue; } + + BUG_ON(1); } -out: - btrfs_free_path(path); - if (locked_end > orig_locked_end) { - unlock_extent(&BTRFS_I(inode)->io_tree, orig_locked_end, - locked_end - 1, GFP_NOFS); + + if (del_nr > 0) { + ret = btrfs_del_items(trans, root, path, del_slot, del_nr); + BUG_ON(ret); } + + btrfs_free_path(path); return ret; } @@ -620,23 +544,23 @@ static int extent_mergeable(struct extent_buffer *leaf, int slot, * two or three. */ int btrfs_mark_extent_written(struct btrfs_trans_handle *trans, - struct btrfs_root *root, struct inode *inode, u64 start, u64 end) { + struct btrfs_root *root = BTRFS_I(inode)->root; struct extent_buffer *leaf; struct btrfs_path *path; struct btrfs_file_extent_item *fi; struct btrfs_key key; + struct btrfs_key new_key; u64 bytenr; u64 num_bytes; u64 extent_end; u64 orig_offset; u64 other_start; u64 other_end; - u64 split = start; - u64 locked_end = end; - int extent_type; - int split_end = 1; + u64 split; + int del_nr = 0; + int del_slot = 0; int ret; btrfs_drop_extent_cache(inode, start, end - 1, 0); @@ -644,12 +568,10 @@ int btrfs_mark_extent_written(struct btrfs_trans_handle *trans, path = btrfs_alloc_path(); BUG_ON(!path); again: + split = start; key.objectid = inode->i_ino; key.type = BTRFS_EXTENT_DATA_KEY; - if (split == start) - key.offset = split; - else - key.offset = split - 1; + key.offset = split; ret = btrfs_search_slot(trans, root, &key, path, -1, 1); if (ret > 0 && path->slots[0] > 0) @@ -661,8 +583,8 @@ again: key.type != BTRFS_EXTENT_DATA_KEY); fi = btrfs_item_ptr(leaf, path->slots[0], struct btrfs_file_extent_item); - extent_type = btrfs_file_extent_type(leaf, fi); - BUG_ON(extent_type != BTRFS_FILE_EXTENT_PREALLOC); + BUG_ON(btrfs_file_extent_type(leaf, fi) != + BTRFS_FILE_EXTENT_PREALLOC); extent_end = key.offset + btrfs_file_extent_num_bytes(leaf, fi); BUG_ON(key.offset > start || extent_end < end); @@ -670,150 +592,91 @@ again: num_bytes = btrfs_file_extent_disk_num_bytes(leaf, fi); orig_offset = key.offset - btrfs_file_extent_offset(leaf, fi); - if (key.offset == start) - split = end; - - if (key.offset == start && extent_end == end) { - int del_nr = 0; - int del_slot = 0; - other_start = end; - other_end = 0; - if (extent_mergeable(leaf, path->slots[0] + 1, inode->i_ino, - bytenr, &other_start, &other_end)) { - extent_end = other_end; - del_slot = path->slots[0] + 1; - del_nr++; - ret = btrfs_free_extent(trans, root, bytenr, num_bytes, - 0, root->root_key.objectid, - inode->i_ino, orig_offset); - BUG_ON(ret); - } - other_start = 0; - other_end = start; - if (extent_mergeable(leaf, path->slots[0] - 1, inode->i_ino, - bytenr, &other_start, &other_end)) { - key.offset = other_start; - del_slot = path->slots[0]; - del_nr++; - ret = btrfs_free_extent(trans, root, bytenr, num_bytes, - 0, root->root_key.objectid, - inode->i_ino, orig_offset); - BUG_ON(ret); - } - split_end = 0; - if (del_nr == 0) { - btrfs_set_file_extent_type(leaf, fi, - BTRFS_FILE_EXTENT_REG); - goto done; + while (start > key.offset || end < extent_end) { + if (key.offset == start) + split = end; + + memcpy(&new_key, &key, sizeof(new_key)); + new_key.offset = split; + ret = btrfs_duplicate_item(trans, root, path, &new_key); + if (ret == -EAGAIN) { + btrfs_release_path(root, path); + goto again; } + BUG_ON(ret < 0); - fi = btrfs_item_ptr(leaf, del_slot - 1, + leaf = path->nodes[0]; + fi = btrfs_item_ptr(leaf, path->slots[0] - 1, struct btrfs_file_extent_item); - btrfs_set_file_extent_type(leaf, fi, BTRFS_FILE_EXTENT_REG); btrfs_set_file_extent_num_bytes(leaf, fi, - extent_end - key.offset); + split - key.offset); + + fi = btrfs_item_ptr(leaf, path->slots[0], + struct btrfs_file_extent_item); + + btrfs_set_file_extent_offset(leaf, fi, split - orig_offset); + btrfs_set_file_extent_num_bytes(leaf, fi, + extent_end - split); btrfs_mark_buffer_dirty(leaf); - ret = btrfs_del_items(trans, root, path, del_slot, del_nr); + ret = btrfs_inc_extent_ref(trans, root, bytenr, num_bytes, 0, + root->root_key.objectid, + inode->i_ino, orig_offset); BUG_ON(ret); - goto release; - } else if (split == start) { - if (locked_end < extent_end) { - ret = try_lock_extent(&BTRFS_I(inode)->io_tree, - locked_end, extent_end - 1, GFP_NOFS); - if (!ret) { - btrfs_release_path(root, path); - lock_extent(&BTRFS_I(inode)->io_tree, - locked_end, extent_end - 1, GFP_NOFS); - locked_end = extent_end; - goto again; - } - locked_end = extent_end; - } - btrfs_set_file_extent_num_bytes(leaf, fi, split - key.offset); - } else { - BUG_ON(key.offset != start); - key.offset = split; - btrfs_set_file_extent_offset(leaf, fi, key.offset - - orig_offset); - btrfs_set_file_extent_num_bytes(leaf, fi, extent_end - split); - btrfs_set_item_key_safe(trans, root, path, &key); - extent_end = split; - } - if (extent_end == end) { - split_end = 0; - extent_type = BTRFS_FILE_EXTENT_REG; - } - if (extent_end == end && split == start) { - other_start = end; - other_end = 0; - if (extent_mergeable(leaf, path->slots[0] + 1, inode->i_ino, - bytenr, &other_start, &other_end)) { - path->slots[0]++; - fi = btrfs_item_ptr(leaf, path->slots[0], - struct btrfs_file_extent_item); - key.offset = split; - btrfs_set_item_key_safe(trans, root, path, &key); - btrfs_set_file_extent_offset(leaf, fi, key.offset - - orig_offset); - btrfs_set_file_extent_num_bytes(leaf, fi, - other_end - split); - goto done; - } - } - if (extent_end == end && split == end) { - other_start = 0; - other_end = start; - if (extent_mergeable(leaf, path->slots[0] - 1 , inode->i_ino, - bytenr, &other_start, &other_end)) { + if (split == start) { + key.offset = start; + } else { + BUG_ON(start != key.offset); path->slots[0]--; - fi = btrfs_item_ptr(leaf, path->slots[0], - struct btrfs_file_extent_item); - btrfs_set_file_extent_num_bytes(leaf, fi, extent_end - - other_start); - goto done; + extent_end = end; } } - btrfs_mark_buffer_dirty(leaf); - - ret = btrfs_inc_extent_ref(trans, root, bytenr, num_bytes, 0, - root->root_key.objectid, - inode->i_ino, orig_offset); - BUG_ON(ret); - btrfs_release_path(root, path); - - key.offset = start; - ret = btrfs_insert_empty_item(trans, root, path, &key, sizeof(*fi)); - BUG_ON(ret); - - leaf = path->nodes[0]; fi = btrfs_item_ptr(leaf, path->slots[0], struct btrfs_file_extent_item); - btrfs_set_file_extent_generation(leaf, fi, trans->transid); - btrfs_set_file_extent_type(leaf, fi, extent_type); - btrfs_set_file_extent_disk_bytenr(leaf, fi, bytenr); - btrfs_set_file_extent_disk_num_bytes(leaf, fi, num_bytes); - btrfs_set_file_extent_offset(leaf, fi, key.offset - orig_offset); - btrfs_set_file_extent_num_bytes(leaf, fi, extent_end - key.offset); - btrfs_set_file_extent_ram_bytes(leaf, fi, num_bytes); - btrfs_set_file_extent_compression(leaf, fi, 0); - btrfs_set_file_extent_encryption(leaf, fi, 0); - btrfs_set_file_extent_other_encoding(leaf, fi, 0); -done: - btrfs_mark_buffer_dirty(leaf); -release: - btrfs_release_path(root, path); - if (split_end && split == start) { - split = end; - goto again; + other_start = end; + other_end = 0; + if (extent_mergeable(leaf, path->slots[0] + 1, inode->i_ino, + bytenr, &other_start, &other_end)) { + extent_end = other_end; + del_slot = path->slots[0] + 1; + del_nr++; + ret = btrfs_free_extent(trans, root, bytenr, num_bytes, + 0, root->root_key.objectid, + inode->i_ino, orig_offset); + BUG_ON(ret); } - if (locked_end > end) { - unlock_extent(&BTRFS_I(inode)->io_tree, end, locked_end - 1, - GFP_NOFS); + other_start = 0; + other_end = start; + if (extent_mergeable(leaf, path->slots[0] - 1, inode->i_ino, + bytenr, &other_start, &other_end)) { + key.offset = other_start; + del_slot = path->slots[0]; + del_nr++; + ret = btrfs_free_extent(trans, root, bytenr, num_bytes, + 0, root->root_key.objectid, + inode->i_ino, orig_offset); + BUG_ON(ret); } + if (del_nr == 0) { + btrfs_set_file_extent_type(leaf, fi, + BTRFS_FILE_EXTENT_REG); + btrfs_mark_buffer_dirty(leaf); + goto out; + } + + fi = btrfs_item_ptr(leaf, del_slot - 1, + struct btrfs_file_extent_item); + btrfs_set_file_extent_type(leaf, fi, BTRFS_FILE_EXTENT_REG); + btrfs_set_file_extent_num_bytes(leaf, fi, + extent_end - key.offset); + btrfs_mark_buffer_dirty(leaf); + + ret = btrfs_del_items(trans, root, path, del_slot, del_nr); + BUG_ON(ret); +out: btrfs_free_path(path); return 0; } diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index b3ad168a0bf..5440bab2363 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -88,13 +88,14 @@ static noinline int cow_file_range(struct inode *inode, u64 start, u64 end, int *page_started, unsigned long *nr_written, int unlock); -static int btrfs_init_inode_security(struct inode *inode, struct inode *dir) +static int btrfs_init_inode_security(struct btrfs_trans_handle *trans, + struct inode *inode, struct inode *dir) { int err; - err = btrfs_init_acl(inode, dir); + err = btrfs_init_acl(trans, inode, dir); if (!err) - err = btrfs_xattr_security_init(inode, dir); + err = btrfs_xattr_security_init(trans, inode, dir); return err; } @@ -188,8 +189,18 @@ static noinline int insert_inline_extent(struct btrfs_trans_handle *trans, btrfs_mark_buffer_dirty(leaf); btrfs_free_path(path); + /* + * we're an inline extent, so nobody can + * extend the file past i_size without locking + * a page we already have locked. + * + * We must do any isize and inode updates + * before we unlock the pages. Otherwise we + * could end up racing with unlink. + */ BTRFS_I(inode)->disk_i_size = inode->i_size; btrfs_update_inode(trans, root, inode); + return 0; fail: btrfs_free_path(path); @@ -230,8 +241,7 @@ static noinline int cow_file_range_inline(struct btrfs_trans_handle *trans, return 1; } - ret = btrfs_drop_extents(trans, root, inode, start, - aligned_end, aligned_end, start, + ret = btrfs_drop_extents(trans, inode, start, aligned_end, &hint_byte, 1); BUG_ON(ret); @@ -416,7 +426,6 @@ again: start, end, total_compressed, pages); } - btrfs_end_transaction(trans, root); if (ret == 0) { /* * inline extent creation worked, we don't need @@ -430,9 +439,11 @@ again: EXTENT_CLEAR_DELALLOC | EXTENT_CLEAR_ACCOUNTING | EXTENT_SET_WRITEBACK | EXTENT_END_WRITEBACK); - ret = 0; + + btrfs_end_transaction(trans, root); goto free_pages_out; } + btrfs_end_transaction(trans, root); } if (will_compress) { @@ -543,7 +554,6 @@ static noinline int submit_compressed_extents(struct inode *inode, if (list_empty(&async_cow->extents)) return 0; - trans = btrfs_join_transaction(root, 1); while (!list_empty(&async_cow->extents)) { async_extent = list_entry(async_cow->extents.next, @@ -590,19 +600,15 @@ retry: lock_extent(io_tree, async_extent->start, async_extent->start + async_extent->ram_size - 1, GFP_NOFS); - /* - * here we're doing allocation and writeback of the - * compressed pages - */ - btrfs_drop_extent_cache(inode, async_extent->start, - async_extent->start + - async_extent->ram_size - 1, 0); + trans = btrfs_join_transaction(root, 1); ret = btrfs_reserve_extent(trans, root, async_extent->compressed_size, async_extent->compressed_size, 0, alloc_hint, (u64)-1, &ins, 1); + btrfs_end_transaction(trans, root); + if (ret) { int i; for (i = 0; i < async_extent->nr_pages; i++) { @@ -618,6 +624,14 @@ retry: goto retry; } + /* + * here we're doing allocation and writeback of the + * compressed pages + */ + btrfs_drop_extent_cache(inode, async_extent->start, + async_extent->start + + async_extent->ram_size - 1, 0); + em = alloc_extent_map(GFP_NOFS); em->start = async_extent->start; em->len = async_extent->ram_size; @@ -649,8 +663,6 @@ retry: BTRFS_ORDERED_COMPRESSED); BUG_ON(ret); - btrfs_end_transaction(trans, root); - /* * clear dirty, set writeback and unlock the pages. */ @@ -672,13 +684,11 @@ retry: async_extent->nr_pages); BUG_ON(ret); - trans = btrfs_join_transaction(root, 1); alloc_hint = ins.objectid + ins.offset; kfree(async_extent); cond_resched(); } - btrfs_end_transaction(trans, root); return 0; } @@ -742,6 +752,7 @@ static noinline int cow_file_range(struct inode *inode, EXTENT_CLEAR_DIRTY | EXTENT_SET_WRITEBACK | EXTENT_END_WRITEBACK); + *nr_written = *nr_written + (end - start + PAGE_CACHE_SIZE) / PAGE_CACHE_SIZE; *page_started = 1; @@ -1596,7 +1607,6 @@ static int insert_reserved_file_extent(struct btrfs_trans_handle *trans, struct inode *inode, u64 file_pos, u64 disk_bytenr, u64 disk_num_bytes, u64 num_bytes, u64 ram_bytes, - u64 locked_end, u8 compression, u8 encryption, u16 other_encoding, int extent_type) { @@ -1622,9 +1632,8 @@ static int insert_reserved_file_extent(struct btrfs_trans_handle *trans, * the caller is expected to unpin it and allow it to be merged * with the others. */ - ret = btrfs_drop_extents(trans, root, inode, file_pos, - file_pos + num_bytes, locked_end, - file_pos, &hint, 0); + ret = btrfs_drop_extents(trans, inode, file_pos, file_pos + num_bytes, + &hint, 0); BUG_ON(ret); ins.objectid = inode->i_ino; @@ -1730,23 +1739,32 @@ static int btrfs_finish_ordered_io(struct inode *inode, u64 start, u64 end) } } - trans = btrfs_join_transaction(root, 1); - if (!ordered_extent) ordered_extent = btrfs_lookup_ordered_extent(inode, start); BUG_ON(!ordered_extent); - if (test_bit(BTRFS_ORDERED_NOCOW, &ordered_extent->flags)) - goto nocow; + if (test_bit(BTRFS_ORDERED_NOCOW, &ordered_extent->flags)) { + BUG_ON(!list_empty(&ordered_extent->list)); + ret = btrfs_ordered_update_i_size(inode, 0, ordered_extent); + if (!ret) { + trans = btrfs_join_transaction(root, 1); + ret = btrfs_update_inode(trans, root, inode); + BUG_ON(ret); + btrfs_end_transaction(trans, root); + } + goto out; + } lock_extent(io_tree, ordered_extent->file_offset, ordered_extent->file_offset + ordered_extent->len - 1, GFP_NOFS); + trans = btrfs_join_transaction(root, 1); + if (test_bit(BTRFS_ORDERED_COMPRESSED, &ordered_extent->flags)) compressed = 1; if (test_bit(BTRFS_ORDERED_PREALLOC, &ordered_extent->flags)) { BUG_ON(compressed); - ret = btrfs_mark_extent_written(trans, root, inode, + ret = btrfs_mark_extent_written(trans, inode, ordered_extent->file_offset, ordered_extent->file_offset + ordered_extent->len); @@ -1758,8 +1776,6 @@ static int btrfs_finish_ordered_io(struct inode *inode, u64 start, u64 end) ordered_extent->disk_len, ordered_extent->len, ordered_extent->len, - ordered_extent->file_offset + - ordered_extent->len, compressed, 0, 0, BTRFS_FILE_EXTENT_REG); unpin_extent_cache(&BTRFS_I(inode)->extent_tree, @@ -1770,22 +1786,20 @@ static int btrfs_finish_ordered_io(struct inode *inode, u64 start, u64 end) unlock_extent(io_tree, ordered_extent->file_offset, ordered_extent->file_offset + ordered_extent->len - 1, GFP_NOFS); -nocow: add_pending_csums(trans, inode, ordered_extent->file_offset, &ordered_extent->list); - mutex_lock(&BTRFS_I(inode)->extent_mutex); - btrfs_ordered_update_i_size(inode, ordered_extent); - btrfs_update_inode(trans, root, inode); - btrfs_remove_ordered_extent(inode, ordered_extent); - mutex_unlock(&BTRFS_I(inode)->extent_mutex); - + /* this also removes the ordered extent from the tree */ + btrfs_ordered_update_i_size(inode, 0, ordered_extent); + ret = btrfs_update_inode(trans, root, inode); + BUG_ON(ret); + btrfs_end_transaction(trans, root); +out: /* once for us */ btrfs_put_ordered_extent(ordered_extent); /* once for the tree */ btrfs_put_ordered_extent(ordered_extent); - btrfs_end_transaction(trans, root); return 0; } @@ -2008,6 +2022,54 @@ zeroit: return -EIO; } +struct delayed_iput { + struct list_head list; + struct inode *inode; +}; + +void btrfs_add_delayed_iput(struct inode *inode) +{ + struct btrfs_fs_info *fs_info = BTRFS_I(inode)->root->fs_info; + struct delayed_iput *delayed; + + if (atomic_add_unless(&inode->i_count, -1, 1)) + return; + + delayed = kmalloc(sizeof(*delayed), GFP_NOFS | __GFP_NOFAIL); + delayed->inode = inode; + + spin_lock(&fs_info->delayed_iput_lock); + list_add_tail(&delayed->list, &fs_info->delayed_iputs); + spin_unlock(&fs_info->delayed_iput_lock); +} + +void btrfs_run_delayed_iputs(struct btrfs_root *root) +{ + LIST_HEAD(list); + struct btrfs_fs_info *fs_info = root->fs_info; + struct delayed_iput *delayed; + int empty; + + spin_lock(&fs_info->delayed_iput_lock); + empty = list_empty(&fs_info->delayed_iputs); + spin_unlock(&fs_info->delayed_iput_lock); + if (empty) + return; + + down_read(&root->fs_info->cleanup_work_sem); + spin_lock(&fs_info->delayed_iput_lock); + list_splice_init(&fs_info->delayed_iputs, &list); + spin_unlock(&fs_info->delayed_iput_lock); + + while (!list_empty(&list)) { + delayed = list_entry(list.next, struct delayed_iput, list); + list_del(&delayed->list); + iput(delayed->inode); + kfree(delayed); + } + up_read(&root->fs_info->cleanup_work_sem); +} + /* * This creates an orphan entry for the given inode in case something goes * wrong in the middle of an unlink/truncate. @@ -2080,16 +2142,17 @@ void btrfs_orphan_cleanup(struct btrfs_root *root) struct inode *inode; int ret = 0, nr_unlink = 0, nr_truncate = 0; - path = btrfs_alloc_path(); - if (!path) + if (!xchg(&root->clean_orphans, 0)) return; + + path = btrfs_alloc_path(); + BUG_ON(!path); path->reada = -1; key.objectid = BTRFS_ORPHAN_OBJECTID; btrfs_set_key_type(&key, BTRFS_ORPHAN_ITEM_KEY); key.offset = (u64)-1; - while (1) { ret = btrfs_search_slot(NULL, root, &key, path, 0, 0); if (ret < 0) { @@ -2834,37 +2897,40 @@ out: * min_type is the minimum key type to truncate down to. If set to 0, this * will kill all the items on this inode, including the INODE_ITEM_KEY. */ -noinline int btrfs_truncate_inode_items(struct btrfs_trans_handle *trans, - struct btrfs_root *root, - struct inode *inode, - u64 new_size, u32 min_type) +int btrfs_truncate_inode_items(struct btrfs_trans_handle *trans, + struct btrfs_root *root, + struct inode *inode, + u64 new_size, u32 min_type) { - int ret; struct btrfs_path *path; - struct btrfs_key key; - struct btrfs_key found_key; - u32 found_type = (u8)-1; struct extent_buffer *leaf; struct btrfs_file_extent_item *fi; + struct btrfs_key key; + struct btrfs_key found_key; u64 extent_start = 0; u64 extent_num_bytes = 0; u64 extent_offset = 0; u64 item_end = 0; + u64 mask = root->sectorsize - 1; + u32 found_type = (u8)-1; int found_extent; int del_item; int pending_del_nr = 0; int pending_del_slot = 0; int extent_type = -1; int encoding; - u64 mask = root->sectorsize - 1; + int ret; + int err = 0; + + BUG_ON(new_size > 0 && min_type != BTRFS_EXTENT_DATA_KEY); if (root->ref_cows) btrfs_drop_extent_cache(inode, new_size & (~mask), (u64)-1, 0); + path = btrfs_alloc_path(); BUG_ON(!path); path->reada = -1; - /* FIXME, add redo link to tree so we don't leak on crash */ key.objectid = inode->i_ino; key.offset = (u64)-1; key.type = (u8)-1; @@ -2872,17 +2938,17 @@ noinline int btrfs_truncate_inode_items(struct btrfs_trans_handle *trans, search_again: path->leave_spinning = 1; ret = btrfs_search_slot(trans, root, &key, path, -1, 1); - if (ret < 0) - goto error; + if (ret < 0) { + err = ret; + goto out; + } if (ret > 0) { /* there are no items in the tree for us to truncate, we're * done */ - if (path->slots[0] == 0) { - ret = 0; - goto error; - } + if (path->slots[0] == 0) + goto out; path->slots[0]--; } @@ -2917,28 +2983,17 @@ search_again: } item_end--; } - if (item_end < new_size) { - if (found_type == BTRFS_DIR_ITEM_KEY) - found_type = BTRFS_INODE_ITEM_KEY; - else if (found_type == BTRFS_EXTENT_ITEM_KEY) - found_type = BTRFS_EXTENT_DATA_KEY; - else if (found_type == BTRFS_EXTENT_DATA_KEY) - found_type = BTRFS_XATTR_ITEM_KEY; - else if (found_type == BTRFS_XATTR_ITEM_KEY) - found_type = BTRFS_INODE_REF_KEY; - else if (found_type) - found_type--; - else + if (found_type > min_type) { + del_item = 1; + } else { + if (item_end < new_size) break; - btrfs_set_key_type(&key, found_type); - goto next; + if (found_key.offset >= new_size) + del_item = 1; + else + del_item = 0; } - if (found_key.offset >= new_size) - del_item = 1; - else - del_item = 0; found_extent = 0; - /* FIXME, shrink the extent if the ref count is only 1 */ if (found_type != BTRFS_EXTENT_DATA_KEY) goto delete; @@ -3025,42 +3080,36 @@ delete: inode->i_ino, extent_offset); BUG_ON(ret); } -next: - if (path->slots[0] == 0) { - if (pending_del_nr) - goto del_pending; - btrfs_release_path(root, path); - if (found_type == BTRFS_INODE_ITEM_KEY) - break; - goto search_again; - } - path->slots[0]--; - if (pending_del_nr && - path->slots[0] + 1 != pending_del_slot) { - struct btrfs_key debug; -del_pending: - btrfs_item_key_to_cpu(path->nodes[0], &debug, - pending_del_slot); - ret = btrfs_del_items(trans, root, path, - pending_del_slot, - pending_del_nr); - BUG_ON(ret); - pending_del_nr = 0; + if (found_type == BTRFS_INODE_ITEM_KEY) + break; + + if (path->slots[0] == 0 || + path->slots[0] != pending_del_slot) { + if (root->ref_cows) { + err = -EAGAIN; + goto out; + } + if (pending_del_nr) { + ret = btrfs_del_items(trans, root, path, + pending_del_slot, + pending_del_nr); + BUG_ON(ret); + pending_del_nr = 0; + } btrfs_release_path(root, path); - if (found_type == BTRFS_INODE_ITEM_KEY) - break; goto search_again; + } else { + path->slots[0]--; } } - ret = 0; -error: +out: if (pending_del_nr) { ret = btrfs_del_items(trans, root, path, pending_del_slot, pending_del_nr); } btrfs_free_path(path); - return ret; + return err; } /* @@ -3180,10 +3229,6 @@ int btrfs_cont_expand(struct inode *inode, loff_t size) if (size <= hole_start) return 0; - err = btrfs_truncate_page(inode->i_mapping, inode->i_size); - if (err) - return err; - while (1) { struct btrfs_ordered_extent *ordered; btrfs_wait_ordered_range(inode, hole_start, @@ -3196,9 +3241,6 @@ int btrfs_cont_expand(struct inode *inode, loff_t size) btrfs_put_ordered_extent(ordered); } - trans = btrfs_start_transaction(root, 1); - btrfs_set_trans_block_group(trans, inode); - cur_offset = hole_start; while (1) { em = btrfs_get_extent(inode, NULL, 0, cur_offset, @@ -3206,40 +3248,120 @@ int btrfs_cont_expand(struct inode *inode, loff_t size) BUG_ON(IS_ERR(em) || !em); last_byte = min(extent_map_end(em), block_end); last_byte = (last_byte + mask) & ~mask; - if (test_bit(EXTENT_FLAG_VACANCY, &em->flags)) { + if (!test_bit(EXTENT_FLAG_PREALLOC, &em->flags)) { u64 hint_byte = 0; hole_size = last_byte - cur_offset; - err = btrfs_drop_extents(trans, root, inode, - cur_offset, - cur_offset + hole_size, - block_end, - cur_offset, &hint_byte, 1); - if (err) - break; - err = btrfs_reserve_metadata_space(root, 1); + err = btrfs_reserve_metadata_space(root, 2); if (err) break; + trans = btrfs_start_transaction(root, 1); + btrfs_set_trans_block_group(trans, inode); + + err = btrfs_drop_extents(trans, inode, cur_offset, + cur_offset + hole_size, + &hint_byte, 1); + BUG_ON(err); + err = btrfs_insert_file_extent(trans, root, inode->i_ino, cur_offset, 0, 0, hole_size, 0, hole_size, 0, 0, 0); + BUG_ON(err); + btrfs_drop_extent_cache(inode, hole_start, last_byte - 1, 0); - btrfs_unreserve_metadata_space(root, 1); + + btrfs_end_transaction(trans, root); + btrfs_unreserve_metadata_space(root, 2); } free_extent_map(em); cur_offset = last_byte; - if (err || cur_offset >= block_end) + if (cur_offset >= block_end) break; } - btrfs_end_transaction(trans, root); unlock_extent(io_tree, hole_start, block_end - 1, GFP_NOFS); return err; } +static int btrfs_setattr_size(struct inode *inode, struct iattr *attr) +{ + struct btrfs_root *root = BTRFS_I(inode)->root; + struct btrfs_trans_handle *trans; + unsigned long nr; + int ret; + + if (attr->ia_size == inode->i_size) + return 0; + + if (attr->ia_size > inode->i_size) { + unsigned long limit; + limit = current->signal->rlim[RLIMIT_FSIZE].rlim_cur; + if (attr->ia_size > inode->i_sb->s_maxbytes) + return -EFBIG; + if (limit != RLIM_INFINITY && attr->ia_size > limit) { + send_sig(SIGXFSZ, current, 0); + return -EFBIG; + } + } + + ret = btrfs_reserve_metadata_space(root, 1); + if (ret) + return ret; + + trans = btrfs_start_transaction(root, 1); + btrfs_set_trans_block_group(trans, inode); + + ret = btrfs_orphan_add(trans, inode); + BUG_ON(ret); + + nr = trans->blocks_used; + btrfs_end_transaction(trans, root); + btrfs_unreserve_metadata_space(root, 1); + btrfs_btree_balance_dirty(root, nr); + + if (attr->ia_size > inode->i_size) { + ret = btrfs_cont_expand(inode, attr->ia_size); + if (ret) { + btrfs_truncate(inode); + return ret; + } + + i_size_write(inode, attr->ia_size); + btrfs_ordered_update_i_size(inode, inode->i_size, NULL); + + trans = btrfs_start_transaction(root, 1); + btrfs_set_trans_block_group(trans, inode); + + ret = btrfs_update_inode(trans, root, inode); + BUG_ON(ret); + if (inode->i_nlink > 0) { + ret = btrfs_orphan_del(trans, inode); + BUG_ON(ret); + } + nr = trans->blocks_used; + btrfs_end_transaction(trans, root); + btrfs_btree_balance_dirty(root, nr); + return 0; + } + + /* + * We're truncating a file that used to have good data down to + * zero. Make sure it gets into the ordered flush list so that + * any new writes get down to disk quickly. + */ + if (attr->ia_size == 0) + BTRFS_I(inode)->ordered_data_close = 1; + + /* we don't support swapfiles, so vmtruncate shouldn't fail */ + ret = vmtruncate(inode, attr->ia_size); + BUG_ON(ret); + + return 0; +} + static int btrfs_setattr(struct dentry *dentry, struct iattr *attr) { struct inode *inode = dentry->d_inode; @@ -3250,23 +3372,14 @@ static int btrfs_setattr(struct dentry *dentry, struct iattr *attr) return err; if (S_ISREG(inode->i_mode) && (attr->ia_valid & ATTR_SIZE)) { - if (attr->ia_size > inode->i_size) { - err = btrfs_cont_expand(inode, attr->ia_size); - if (err) - return err; - } else if (inode->i_size > 0 && - attr->ia_size == 0) { - - /* we're truncating a file that used to have good - * data down to zero. Make sure it gets into - * the ordered flush list so that any new writes - * get down to disk quickly. - */ - BTRFS_I(inode)->ordered_data_close = 1; - } + err = btrfs_setattr_size(inode, attr); + if (err) + return err; } + attr->ia_valid &= ~ATTR_SIZE; - err = inode_setattr(inode, attr); + if (attr->ia_valid) + err = inode_setattr(inode, attr); if (!err && ((attr->ia_valid & ATTR_MODE))) err = btrfs_acl_chmod(inode); @@ -3287,36 +3400,43 @@ void btrfs_delete_inode(struct inode *inode) } btrfs_wait_ordered_range(inode, 0, (u64)-1); + if (root->fs_info->log_root_recovering) { + BUG_ON(!list_empty(&BTRFS_I(inode)->i_orphan)); + goto no_delete; + } + if (inode->i_nlink > 0) { BUG_ON(btrfs_root_refs(&root->root_item) != 0); goto no_delete; } btrfs_i_size_write(inode, 0); - trans = btrfs_join_transaction(root, 1); - btrfs_set_trans_block_group(trans, inode); - ret = btrfs_truncate_inode_items(trans, root, inode, inode->i_size, 0); - if (ret) { - btrfs_orphan_del(NULL, inode); - goto no_delete_lock; - } + while (1) { + trans = btrfs_start_transaction(root, 1); + btrfs_set_trans_block_group(trans, inode); + ret = btrfs_truncate_inode_items(trans, root, inode, 0, 0); - btrfs_orphan_del(trans, inode); + if (ret != -EAGAIN) + break; - nr = trans->blocks_used; - clear_inode(inode); + nr = trans->blocks_used; + btrfs_end_transaction(trans, root); + trans = NULL; + btrfs_btree_balance_dirty(root, nr); + } - btrfs_end_transaction(trans, root); - btrfs_btree_balance_dirty(root, nr); - return; + if (ret == 0) { + ret = btrfs_orphan_del(trans, inode); + BUG_ON(ret); + } -no_delete_lock: nr = trans->blocks_used; btrfs_end_transaction(trans, root); btrfs_btree_balance_dirty(root, nr); no_delete: clear_inode(inode); + return; } /* @@ -3569,7 +3689,6 @@ static noinline void init_btrfs_i(struct inode *inode) INIT_LIST_HEAD(&BTRFS_I(inode)->ordered_operations); RB_CLEAR_NODE(&BTRFS_I(inode)->rb_node); btrfs_ordered_inode_tree_init(&BTRFS_I(inode)->ordered_tree); - mutex_init(&BTRFS_I(inode)->extent_mutex); mutex_init(&BTRFS_I(inode)->log_mutex); } @@ -3695,6 +3814,13 @@ struct inode *btrfs_lookup_dentry(struct inode *dir, struct dentry *dentry) } srcu_read_unlock(&root->fs_info->subvol_srcu, index); + if (root != sub_root) { + down_read(&root->fs_info->cleanup_work_sem); + if (!(inode->i_sb->s_flags & MS_RDONLY)) + btrfs_orphan_cleanup(sub_root); + up_read(&root->fs_info->cleanup_work_sem); + } + return inode; } @@ -4219,7 +4345,7 @@ static int btrfs_mknod(struct inode *dir, struct dentry *dentry, if (IS_ERR(inode)) goto out_unlock; - err = btrfs_init_inode_security(inode, dir); + err = btrfs_init_inode_security(trans, inode, dir); if (err) { drop_inode = 1; goto out_unlock; @@ -4290,7 +4416,7 @@ static int btrfs_create(struct inode *dir, struct dentry *dentry, if (IS_ERR(inode)) goto out_unlock; - err = btrfs_init_inode_security(inode, dir); + err = btrfs_init_inode_security(trans, inode, dir); if (err) { drop_inode = 1; goto out_unlock; @@ -4336,6 +4462,10 @@ static int btrfs_link(struct dentry *old_dentry, struct inode *dir, if (inode->i_nlink == 0) return -ENOENT; + /* do not allow sys_link's with other subvols of the same device */ + if (root->objectid != BTRFS_I(inode)->root->objectid) + return -EPERM; + /* * 1 item for inode ref * 2 items for dir items @@ -4423,7 +4553,7 @@ static int btrfs_mkdir(struct inode *dir, struct dentry *dentry, int mode) drop_on_err = 1; - err = btrfs_init_inode_security(inode, dir); + err = btrfs_init_inode_security(trans, inode, dir); if (err) goto out_fail; @@ -5074,17 +5204,20 @@ static void btrfs_truncate(struct inode *inode) unsigned long nr; u64 mask = root->sectorsize - 1; - if (!S_ISREG(inode->i_mode)) - return; - if (IS_APPEND(inode) || IS_IMMUTABLE(inode)) + if (!S_ISREG(inode->i_mode)) { + WARN_ON(1); return; + } ret = btrfs_truncate_page(inode->i_mapping, inode->i_size); if (ret) return; + btrfs_wait_ordered_range(inode, inode->i_size & (~mask), (u64)-1); + btrfs_ordered_update_i_size(inode, inode->i_size, NULL); trans = btrfs_start_transaction(root, 1); + btrfs_set_trans_block_group(trans, inode); /* * setattr is responsible for setting the ordered_data_close flag, @@ -5106,21 +5239,32 @@ static void btrfs_truncate(struct inode *inode) if (inode->i_size == 0 && BTRFS_I(inode)->ordered_data_close) btrfs_add_ordered_operation(trans, root, inode); - btrfs_set_trans_block_group(trans, inode); - btrfs_i_size_write(inode, inode->i_size); + while (1) { + ret = btrfs_truncate_inode_items(trans, root, inode, + inode->i_size, + BTRFS_EXTENT_DATA_KEY); + if (ret != -EAGAIN) + break; - ret = btrfs_orphan_add(trans, inode); - if (ret) - goto out; - /* FIXME, add redo link to tree so we don't leak on crash */ - ret = btrfs_truncate_inode_items(trans, root, inode, inode->i_size, - BTRFS_EXTENT_DATA_KEY); - btrfs_update_inode(trans, root, inode); + ret = btrfs_update_inode(trans, root, inode); + BUG_ON(ret); + + nr = trans->blocks_used; + btrfs_end_transaction(trans, root); + btrfs_btree_balance_dirty(root, nr); + + trans = btrfs_start_transaction(root, 1); + btrfs_set_trans_block_group(trans, inode); + } - ret = btrfs_orphan_del(trans, inode); + if (ret == 0 && inode->i_nlink > 0) { + ret = btrfs_orphan_del(trans, inode); + BUG_ON(ret); + } + + ret = btrfs_update_inode(trans, root, inode); BUG_ON(ret); -out: nr = trans->blocks_used; ret = btrfs_end_transaction_throttle(trans, root); BUG_ON(ret); @@ -5217,9 +5361,9 @@ void btrfs_destroy_inode(struct inode *inode) spin_lock(&root->list_lock); if (!list_empty(&BTRFS_I(inode)->i_orphan)) { - printk(KERN_ERR "BTRFS: inode %lu: inode still on the orphan" - " list\n", inode->i_ino); - dump_stack(); + printk(KERN_INFO "BTRFS: inode %lu still on the orphan list\n", + inode->i_ino); + list_del_init(&BTRFS_I(inode)->i_orphan); } spin_unlock(&root->list_lock); @@ -5476,7 +5620,7 @@ out_fail: * some fairly slow code that needs optimization. This walks the list * of all the inodes with pending delalloc and forces them to disk. */ -int btrfs_start_delalloc_inodes(struct btrfs_root *root) +int btrfs_start_delalloc_inodes(struct btrfs_root *root, int delay_iput) { struct list_head *head = &root->fs_info->delalloc_inodes; struct btrfs_inode *binode; @@ -5495,7 +5639,10 @@ int btrfs_start_delalloc_inodes(struct btrfs_root *root) spin_unlock(&root->fs_info->delalloc_lock); if (inode) { filemap_flush(inode->i_mapping); - iput(inode); + if (delay_iput) + btrfs_add_delayed_iput(inode); + else + iput(inode); } cond_resched(); spin_lock(&root->fs_info->delalloc_lock); @@ -5569,7 +5716,7 @@ static int btrfs_symlink(struct inode *dir, struct dentry *dentry, if (IS_ERR(inode)) goto out_unlock; - err = btrfs_init_inode_security(inode, dir); + err = btrfs_init_inode_security(trans, inode, dir); if (err) { drop_inode = 1; goto out_unlock; @@ -5641,10 +5788,10 @@ out_fail: return err; } -static int prealloc_file_range(struct btrfs_trans_handle *trans, - struct inode *inode, u64 start, u64 end, - u64 locked_end, u64 alloc_hint, int mode) +static int prealloc_file_range(struct inode *inode, u64 start, u64 end, + u64 alloc_hint, int mode) { + struct btrfs_trans_handle *trans; struct btrfs_root *root = BTRFS_I(inode)->root; struct btrfs_key ins; u64 alloc_size; @@ -5655,43 +5802,56 @@ static int prealloc_file_range(struct btrfs_trans_handle *trans, while (num_bytes > 0) { alloc_size = min(num_bytes, root->fs_info->max_extent); - ret = btrfs_reserve_metadata_space(root, 1); - if (ret) - goto out; + trans = btrfs_start_transaction(root, 1); ret = btrfs_reserve_extent(trans, root, alloc_size, root->sectorsize, 0, alloc_hint, (u64)-1, &ins, 1); if (ret) { WARN_ON(1); - goto out; + goto stop_trans; + } + + ret = btrfs_reserve_metadata_space(root, 3); + if (ret) { + btrfs_free_reserved_extent(root, ins.objectid, + ins.offset); + goto stop_trans; } + ret = insert_reserved_file_extent(trans, inode, cur_offset, ins.objectid, ins.offset, ins.offset, - ins.offset, locked_end, - 0, 0, 0, + ins.offset, 0, 0, 0, BTRFS_FILE_EXTENT_PREALLOC); BUG_ON(ret); btrfs_drop_extent_cache(inode, cur_offset, cur_offset + ins.offset -1, 0); + num_bytes -= ins.offset; cur_offset += ins.offset; alloc_hint = ins.objectid + ins.offset; - btrfs_unreserve_metadata_space(root, 1); - } -out: - if (cur_offset > start) { + inode->i_ctime = CURRENT_TIME; BTRFS_I(inode)->flags |= BTRFS_INODE_PREALLOC; if (!(mode & FALLOC_FL_KEEP_SIZE) && - cur_offset > i_size_read(inode)) - btrfs_i_size_write(inode, cur_offset); + cur_offset > inode->i_size) { + i_size_write(inode, cur_offset); + btrfs_ordered_update_i_size(inode, cur_offset, NULL); + } + ret = btrfs_update_inode(trans, root, inode); BUG_ON(ret); + + btrfs_end_transaction(trans, root); + btrfs_unreserve_metadata_space(root, 3); } + return ret; +stop_trans: + btrfs_end_transaction(trans, root); return ret; + } static long btrfs_fallocate(struct inode *inode, int mode, @@ -5705,8 +5865,6 @@ static long btrfs_fallocate(struct inode *inode, int mode, u64 locked_end; u64 mask = BTRFS_I(inode)->root->sectorsize - 1; struct extent_map *em; - struct btrfs_trans_handle *trans; - struct btrfs_root *root; int ret; alloc_start = offset & ~mask; @@ -5725,9 +5883,7 @@ static long btrfs_fallocate(struct inode *inode, int mode, goto out; } - root = BTRFS_I(inode)->root; - - ret = btrfs_check_data_free_space(root, inode, + ret = btrfs_check_data_free_space(BTRFS_I(inode)->root, inode, alloc_end - alloc_start); if (ret) goto out; @@ -5736,12 +5892,6 @@ static long btrfs_fallocate(struct inode *inode, int mode, while (1) { struct btrfs_ordered_extent *ordered; - trans = btrfs_start_transaction(BTRFS_I(inode)->root, 1); - if (!trans) { - ret = -EIO; - goto out_free; - } - /* the extent lock is ordered inside the running * transaction */ @@ -5755,8 +5905,6 @@ static long btrfs_fallocate(struct inode *inode, int mode, btrfs_put_ordered_extent(ordered); unlock_extent(&BTRFS_I(inode)->io_tree, alloc_start, locked_end, GFP_NOFS); - btrfs_end_transaction(trans, BTRFS_I(inode)->root); - /* * we can't wait on the range with the transaction * running or with the extent lock held @@ -5777,10 +5925,12 @@ static long btrfs_fallocate(struct inode *inode, int mode, BUG_ON(IS_ERR(em) || !em); last_byte = min(extent_map_end(em), alloc_end); last_byte = (last_byte + mask) & ~mask; - if (em->block_start == EXTENT_MAP_HOLE) { - ret = prealloc_file_range(trans, inode, cur_offset, - last_byte, locked_end + 1, - alloc_hint, mode); + if (em->block_start == EXTENT_MAP_HOLE || + (cur_offset >= inode->i_size && + !test_bit(EXTENT_FLAG_PREALLOC, &em->flags))) { + ret = prealloc_file_range(inode, + cur_offset, last_byte, + alloc_hint, mode); if (ret < 0) { free_extent_map(em); break; @@ -5799,9 +5949,8 @@ static long btrfs_fallocate(struct inode *inode, int mode, unlock_extent(&BTRFS_I(inode)->io_tree, alloc_start, locked_end, GFP_NOFS); - btrfs_end_transaction(trans, BTRFS_I(inode)->root); -out_free: - btrfs_free_reserved_data_space(root, inode, alloc_end - alloc_start); + btrfs_free_reserved_data_space(BTRFS_I(inode)->root, inode, + alloc_end - alloc_start); out: mutex_unlock(&inode->i_mutex); return ret; diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index cdbb054102b..645a17927a8 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -237,7 +237,6 @@ static noinline int create_subvol(struct btrfs_root *root, u64 objectid; u64 new_dirid = BTRFS_FIRST_FREE_OBJECTID; u64 index = 0; - unsigned long nr = 1; /* * 1 - inode item @@ -290,7 +289,7 @@ static noinline int create_subvol(struct btrfs_root *root, btrfs_set_root_generation(&root_item, trans->transid); btrfs_set_root_level(&root_item, 0); btrfs_set_root_refs(&root_item, 1); - btrfs_set_root_used(&root_item, 0); + btrfs_set_root_used(&root_item, leaf->len); btrfs_set_root_last_snapshot(&root_item, 0); memset(&root_item.drop_progress, 0, sizeof(root_item.drop_progress)); @@ -342,24 +341,21 @@ static noinline int create_subvol(struct btrfs_root *root, d_instantiate(dentry, btrfs_lookup_dentry(dir, dentry)); fail: - nr = trans->blocks_used; err = btrfs_commit_transaction(trans, root); if (err && !ret) ret = err; btrfs_unreserve_metadata_space(root, 6); - btrfs_btree_balance_dirty(root, nr); return ret; } static int create_snapshot(struct btrfs_root *root, struct dentry *dentry, char *name, int namelen) { + struct inode *inode; struct btrfs_pending_snapshot *pending_snapshot; struct btrfs_trans_handle *trans; - int ret = 0; - int err; - unsigned long nr = 0; + int ret; if (!root->ref_cows) return -EINVAL; @@ -372,20 +368,20 @@ static int create_snapshot(struct btrfs_root *root, struct dentry *dentry, */ ret = btrfs_reserve_metadata_space(root, 6); if (ret) - goto fail_unlock; + goto fail; pending_snapshot = kzalloc(sizeof(*pending_snapshot), GFP_NOFS); if (!pending_snapshot) { ret = -ENOMEM; btrfs_unreserve_metadata_space(root, 6); - goto fail_unlock; + goto fail; } pending_snapshot->name = kmalloc(namelen + 1, GFP_NOFS); if (!pending_snapshot->name) { ret = -ENOMEM; kfree(pending_snapshot); btrfs_unreserve_metadata_space(root, 6); - goto fail_unlock; + goto fail; } memcpy(pending_snapshot->name, name, namelen); pending_snapshot->name[namelen] = '\0'; @@ -395,10 +391,19 @@ static int create_snapshot(struct btrfs_root *root, struct dentry *dentry, pending_snapshot->root = root; list_add(&pending_snapshot->list, &trans->transaction->pending_snapshots); - err = btrfs_commit_transaction(trans, root); + ret = btrfs_commit_transaction(trans, root); + BUG_ON(ret); + btrfs_unreserve_metadata_space(root, 6); -fail_unlock: - btrfs_btree_balance_dirty(root, nr); + inode = btrfs_lookup_dentry(dentry->d_parent->d_inode, dentry); + if (IS_ERR(inode)) { + ret = PTR_ERR(inode); + goto fail; + } + BUG_ON(!inode); + d_instantiate(dentry, inode); + ret = 0; +fail: return ret; } @@ -1027,8 +1032,7 @@ static noinline long btrfs_ioctl_clone(struct file *file, unsigned long srcfd, BUG_ON(!trans); /* punch hole in destination first */ - btrfs_drop_extents(trans, root, inode, off, off + len, - off + len, 0, &hint_byte, 1); + btrfs_drop_extents(trans, inode, off, off + len, &hint_byte, 1); /* clone data */ key.objectid = src->i_ino; diff --git a/fs/btrfs/ordered-data.c b/fs/btrfs/ordered-data.c index 5799bc46a30..b10a49d4bc6 100644 --- a/fs/btrfs/ordered-data.c +++ b/fs/btrfs/ordered-data.c @@ -291,16 +291,16 @@ int btrfs_put_ordered_extent(struct btrfs_ordered_extent *entry) /* * remove an ordered extent from the tree. No references are dropped - * but, anyone waiting on this extent is woken up. + * and you must wake_up entry->wait. You must hold the tree mutex + * while you call this function. */ -int btrfs_remove_ordered_extent(struct inode *inode, +static int __btrfs_remove_ordered_extent(struct inode *inode, struct btrfs_ordered_extent *entry) { struct btrfs_ordered_inode_tree *tree; struct rb_node *node; tree = &BTRFS_I(inode)->ordered_tree; - mutex_lock(&tree->mutex); node = &entry->rb_node; rb_erase(node, &tree->tree); tree->last = NULL; @@ -326,16 +326,34 @@ int btrfs_remove_ordered_extent(struct inode *inode, } spin_unlock(&BTRFS_I(inode)->root->fs_info->ordered_extent_lock); + return 0; +} + +/* + * remove an ordered extent from the tree. No references are dropped + * but any waiters are woken. + */ +int btrfs_remove_ordered_extent(struct inode *inode, + struct btrfs_ordered_extent *entry) +{ + struct btrfs_ordered_inode_tree *tree; + int ret; + + tree = &BTRFS_I(inode)->ordered_tree; + mutex_lock(&tree->mutex); + ret = __btrfs_remove_ordered_extent(inode, entry); mutex_unlock(&tree->mutex); wake_up(&entry->wait); - return 0; + + return ret; } /* * wait for all the ordered extents in a root. This is done when balancing * space between drives. */ -int btrfs_wait_ordered_extents(struct btrfs_root *root, int nocow_only) +int btrfs_wait_ordered_extents(struct btrfs_root *root, + int nocow_only, int delay_iput) { struct list_head splice; struct list_head *cur; @@ -372,7 +390,10 @@ int btrfs_wait_ordered_extents(struct btrfs_root *root, int nocow_only) if (inode) { btrfs_start_ordered_extent(inode, ordered, 1); btrfs_put_ordered_extent(ordered); - iput(inode); + if (delay_iput) + btrfs_add_delayed_iput(inode); + else + iput(inode); } else { btrfs_put_ordered_extent(ordered); } @@ -430,7 +451,7 @@ again: btrfs_wait_ordered_range(inode, 0, (u64)-1); else filemap_flush(inode->i_mapping); - iput(inode); + btrfs_add_delayed_iput(inode); } cond_resched(); @@ -589,7 +610,7 @@ out: * After an extent is done, call this to conditionally update the on disk * i_size. i_size is updated to cover any fully written part of the file. */ -int btrfs_ordered_update_i_size(struct inode *inode, +int btrfs_ordered_update_i_size(struct inode *inode, u64 offset, struct btrfs_ordered_extent *ordered) { struct btrfs_ordered_inode_tree *tree = &BTRFS_I(inode)->ordered_tree; @@ -597,18 +618,30 @@ int btrfs_ordered_update_i_size(struct inode *inode, u64 disk_i_size; u64 new_i_size; u64 i_size_test; + u64 i_size = i_size_read(inode); struct rb_node *node; + struct rb_node *prev = NULL; struct btrfs_ordered_extent *test; + int ret = 1; + + if (ordered) + offset = entry_end(ordered); mutex_lock(&tree->mutex); disk_i_size = BTRFS_I(inode)->disk_i_size; + /* truncate file */ + if (disk_i_size > i_size) { + BTRFS_I(inode)->disk_i_size = i_size; + ret = 0; + goto out; + } + /* * if the disk i_size is already at the inode->i_size, or * this ordered extent is inside the disk i_size, we're done */ - if (disk_i_size >= inode->i_size || - ordered->file_offset + ordered->len <= disk_i_size) { + if (disk_i_size == i_size || offset <= disk_i_size) { goto out; } @@ -616,8 +649,7 @@ int btrfs_ordered_update_i_size(struct inode *inode, * we can't update the disk_isize if there are delalloc bytes * between disk_i_size and this ordered extent */ - if (test_range_bit(io_tree, disk_i_size, - ordered->file_offset + ordered->len - 1, + if (test_range_bit(io_tree, disk_i_size, offset - 1, EXTENT_DELALLOC, 0, NULL)) { goto out; } @@ -626,20 +658,32 @@ int btrfs_ordered_update_i_size(struct inode *inode, * if we find an ordered extent then we can't update disk i_size * yet */ - node = &ordered->rb_node; - while (1) { - node = rb_prev(node); - if (!node) - break; + if (ordered) { + node = rb_prev(&ordered->rb_node); + } else { + prev = tree_search(tree, offset); + /* + * we insert file extents without involving ordered struct, + * so there should be no ordered struct cover this offset + */ + if (prev) { + test = rb_entry(prev, struct btrfs_ordered_extent, + rb_node); + BUG_ON(offset_in_entry(test, offset)); + } + node = prev; + } + while (node) { test = rb_entry(node, struct btrfs_ordered_extent, rb_node); if (test->file_offset + test->len <= disk_i_size) break; - if (test->file_offset >= inode->i_size) + if (test->file_offset >= i_size) break; if (test->file_offset >= disk_i_size) goto out; + node = rb_prev(node); } - new_i_size = min_t(u64, entry_end(ordered), i_size_read(inode)); + new_i_size = min_t(u64, offset, i_size); /* * at this point, we know we can safely update i_size to at least @@ -647,7 +691,14 @@ int btrfs_ordered_update_i_size(struct inode *inode, * walk forward and see if ios from higher up in the file have * finished. */ - node = rb_next(&ordered->rb_node); + if (ordered) { + node = rb_next(&ordered->rb_node); + } else { + if (prev) + node = rb_next(prev); + else + node = rb_first(&tree->tree); + } i_size_test = 0; if (node) { /* @@ -655,10 +706,10 @@ int btrfs_ordered_update_i_size(struct inode *inode, * between our ordered extent and the next one. */ test = rb_entry(node, struct btrfs_ordered_extent, rb_node); - if (test->file_offset > entry_end(ordered)) + if (test->file_offset > offset) i_size_test = test->file_offset; } else { - i_size_test = i_size_read(inode); + i_size_test = i_size; } /* @@ -667,15 +718,25 @@ int btrfs_ordered_update_i_size(struct inode *inode, * are no delalloc bytes in this area, it is safe to update * disk_i_size to the end of the region. */ - if (i_size_test > entry_end(ordered) && - !test_range_bit(io_tree, entry_end(ordered), i_size_test - 1, - EXTENT_DELALLOC, 0, NULL)) { - new_i_size = min_t(u64, i_size_test, i_size_read(inode)); + if (i_size_test > offset && + !test_range_bit(io_tree, offset, i_size_test - 1, + EXTENT_DELALLOC, 0, NULL)) { + new_i_size = min_t(u64, i_size_test, i_size); } BTRFS_I(inode)->disk_i_size = new_i_size; + ret = 0; out: + /* + * we need to remove the ordered extent with the tree lock held + * so that other people calling this function don't find our fully + * processed ordered entry and skip updating the i_size + */ + if (ordered) + __btrfs_remove_ordered_extent(inode, ordered); mutex_unlock(&tree->mutex); - return 0; + if (ordered) + wake_up(&ordered->wait); + return ret; } /* diff --git a/fs/btrfs/ordered-data.h b/fs/btrfs/ordered-data.h index f82e87488ca..1fe1282ef47 100644 --- a/fs/btrfs/ordered-data.h +++ b/fs/btrfs/ordered-data.h @@ -150,12 +150,13 @@ void btrfs_start_ordered_extent(struct inode *inode, int btrfs_wait_ordered_range(struct inode *inode, u64 start, u64 len); struct btrfs_ordered_extent * btrfs_lookup_first_ordered_extent(struct inode * inode, u64 file_offset); -int btrfs_ordered_update_i_size(struct inode *inode, +int btrfs_ordered_update_i_size(struct inode *inode, u64 offset, struct btrfs_ordered_extent *ordered); int btrfs_find_ordered_sum(struct inode *inode, u64 offset, u64 disk_bytenr, u32 *sum); -int btrfs_wait_ordered_extents(struct btrfs_root *root, int nocow_only); int btrfs_run_ordered_operations(struct btrfs_root *root, int wait); int btrfs_add_ordered_operation(struct btrfs_trans_handle *trans, struct btrfs_root *root, struct inode *inode); +int btrfs_wait_ordered_extents(struct btrfs_root *root, + int nocow_only, int delay_iput); #endif diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c index cfcc93c93a7..a9728680eca 100644 --- a/fs/btrfs/relocation.c +++ b/fs/btrfs/relocation.c @@ -1561,6 +1561,20 @@ static int invalidate_extent_cache(struct btrfs_root *root, return 0; } +static void put_inodes(struct list_head *list) +{ + struct inodevec *ivec; + while (!list_empty(list)) { + ivec = list_entry(list->next, struct inodevec, list); + list_del(&ivec->list); + while (ivec->nr > 0) { + ivec->nr--; + iput(ivec->inode[ivec->nr]); + } + kfree(ivec); + } +} + static int find_next_key(struct btrfs_path *path, int level, struct btrfs_key *key) @@ -1723,6 +1737,11 @@ static noinline_for_stack int merge_reloc_root(struct reloc_control *rc, btrfs_btree_balance_dirty(root, nr); + /* + * put inodes outside transaction, otherwise we may deadlock. + */ + put_inodes(&inode_list); + if (replaced && rc->stage == UPDATE_DATA_PTRS) invalidate_extent_cache(root, &key, &next_key); } @@ -1752,19 +1771,7 @@ out: btrfs_btree_balance_dirty(root, nr); - /* - * put inodes while we aren't holding the tree locks - */ - while (!list_empty(&inode_list)) { - struct inodevec *ivec; - ivec = list_entry(inode_list.next, struct inodevec, list); - list_del(&ivec->list); - while (ivec->nr > 0) { - ivec->nr--; - iput(ivec->inode[ivec->nr]); - } - kfree(ivec); - } + put_inodes(&inode_list); if (replaced && rc->stage == UPDATE_DATA_PTRS) invalidate_extent_cache(root, &key, &next_key); @@ -3534,8 +3541,8 @@ int btrfs_relocate_block_group(struct btrfs_root *extent_root, u64 group_start) (unsigned long long)rc->block_group->key.objectid, (unsigned long long)rc->block_group->flags); - btrfs_start_delalloc_inodes(fs_info->tree_root); - btrfs_wait_ordered_extents(fs_info->tree_root, 0); + btrfs_start_delalloc_inodes(fs_info->tree_root, 0); + btrfs_wait_ordered_extents(fs_info->tree_root, 0, 0); while (1) { rc->extents_found = 0; @@ -3755,6 +3762,7 @@ out: BTRFS_DATA_RELOC_TREE_OBJECTID); if (IS_ERR(fs_root)) err = PTR_ERR(fs_root); + btrfs_orphan_cleanup(fs_root); } return err; } diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c index 752a5463bf5..3f9b45704fc 100644 --- a/fs/btrfs/super.c +++ b/fs/btrfs/super.c @@ -128,6 +128,7 @@ int btrfs_parse_options(struct btrfs_root *root, char *options) substring_t args[MAX_OPT_ARGS]; char *p, *num; int intarg; + int ret = 0; if (!options) return 0; @@ -262,12 +263,18 @@ int btrfs_parse_options(struct btrfs_root *root, char *options) case Opt_discard: btrfs_set_opt(info->mount_opt, DISCARD); break; + case Opt_err: + printk(KERN_INFO "btrfs: unrecognized mount option " + "'%s'\n", p); + ret = -EINVAL; + goto out; default: break; } } +out: kfree(options); - return 0; + return ret; } /* @@ -405,8 +412,8 @@ int btrfs_sync_fs(struct super_block *sb, int wait) return 0; } - btrfs_start_delalloc_inodes(root); - btrfs_wait_ordered_extents(root, 0); + btrfs_start_delalloc_inodes(root, 0); + btrfs_wait_ordered_extents(root, 0, 0); trans = btrfs_start_transaction(root, 1); ret = btrfs_commit_transaction(trans, root); @@ -450,6 +457,8 @@ static int btrfs_show_options(struct seq_file *seq, struct vfsmount *vfs) seq_puts(seq, ",notreelog"); if (btrfs_test_opt(root, FLUSHONCOMMIT)) seq_puts(seq, ",flushoncommit"); + if (btrfs_test_opt(root, DISCARD)) + seq_puts(seq, ",discard"); if (!(root->fs_info->sb->s_flags & MS_POSIXACL)) seq_puts(seq, ",noacl"); return 0; diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c index c207e8c32c9..b2acc79f1b3 100644 --- a/fs/btrfs/transaction.c +++ b/fs/btrfs/transaction.c @@ -333,6 +333,9 @@ static int __btrfs_end_transaction(struct btrfs_trans_handle *trans, memset(trans, 0, sizeof(*trans)); kmem_cache_free(btrfs_trans_handle_cachep, trans); + if (throttle) + btrfs_run_delayed_iputs(root); + return 0; } @@ -354,7 +357,7 @@ int btrfs_end_transaction_throttle(struct btrfs_trans_handle *trans, * those extents are sent to disk but does not wait on them */ int btrfs_write_marked_extents(struct btrfs_root *root, - struct extent_io_tree *dirty_pages) + struct extent_io_tree *dirty_pages, int mark) { int ret; int err = 0; @@ -367,7 +370,7 @@ int btrfs_write_marked_extents(struct btrfs_root *root, while (1) { ret = find_first_extent_bit(dirty_pages, start, &start, &end, - EXTENT_DIRTY); + mark); if (ret) break; while (start <= end) { @@ -413,7 +416,7 @@ int btrfs_write_marked_extents(struct btrfs_root *root, * on all the pages and clear them from the dirty pages state tree */ int btrfs_wait_marked_extents(struct btrfs_root *root, - struct extent_io_tree *dirty_pages) + struct extent_io_tree *dirty_pages, int mark) { int ret; int err = 0; @@ -425,12 +428,12 @@ int btrfs_wait_marked_extents(struct btrfs_root *root, unsigned long index; while (1) { - ret = find_first_extent_bit(dirty_pages, 0, &start, &end, - EXTENT_DIRTY); + ret = find_first_extent_bit(dirty_pages, start, &start, &end, + mark); if (ret) break; - clear_extent_dirty(dirty_pages, start, end, GFP_NOFS); + clear_extent_bits(dirty_pages, start, end, mark, GFP_NOFS); while (start <= end) { index = start >> PAGE_CACHE_SHIFT; start = (u64)(index + 1) << PAGE_CACHE_SHIFT; @@ -460,13 +463,13 @@ int btrfs_wait_marked_extents(struct btrfs_root *root, * those extents are on disk for transaction or log commit */ int btrfs_write_and_wait_marked_extents(struct btrfs_root *root, - struct extent_io_tree *dirty_pages) + struct extent_io_tree *dirty_pages, int mark) { int ret; int ret2; - ret = btrfs_write_marked_extents(root, dirty_pages); - ret2 = btrfs_wait_marked_extents(root, dirty_pages); + ret = btrfs_write_marked_extents(root, dirty_pages, mark); + ret2 = btrfs_wait_marked_extents(root, dirty_pages, mark); return ret || ret2; } @@ -479,7 +482,8 @@ int btrfs_write_and_wait_transaction(struct btrfs_trans_handle *trans, return filemap_write_and_wait(btree_inode->i_mapping); } return btrfs_write_and_wait_marked_extents(root, - &trans->transaction->dirty_pages); + &trans->transaction->dirty_pages, + EXTENT_DIRTY); } /* @@ -497,13 +501,16 @@ static int update_cowonly_root(struct btrfs_trans_handle *trans, { int ret; u64 old_root_bytenr; + u64 old_root_used; struct btrfs_root *tree_root = root->fs_info->tree_root; + old_root_used = btrfs_root_used(&root->root_item); btrfs_write_dirty_block_groups(trans, root); while (1) { old_root_bytenr = btrfs_root_bytenr(&root->root_item); - if (old_root_bytenr == root->node->start) + if (old_root_bytenr == root->node->start && + old_root_used == btrfs_root_used(&root->root_item)) break; btrfs_set_root_node(&root->root_item, root->node); @@ -512,6 +519,7 @@ static int update_cowonly_root(struct btrfs_trans_handle *trans, &root->root_item); BUG_ON(ret); + old_root_used = btrfs_root_used(&root->root_item); ret = btrfs_write_dirty_block_groups(trans, root); BUG_ON(ret); } @@ -795,7 +803,6 @@ static noinline int create_pending_snapshot(struct btrfs_trans_handle *trans, memcpy(&pending->root_key, &key, sizeof(key)); fail: kfree(new_root_item); - btrfs_unreserve_metadata_space(root, 6); return ret; } @@ -807,7 +814,6 @@ static noinline int finish_pending_snapshot(struct btrfs_fs_info *fs_info, u64 index = 0; struct btrfs_trans_handle *trans; struct inode *parent_inode; - struct inode *inode; struct btrfs_root *parent_root; parent_inode = pending->dentry->d_parent->d_inode; @@ -839,8 +845,6 @@ static noinline int finish_pending_snapshot(struct btrfs_fs_info *fs_info, BUG_ON(ret); - inode = btrfs_lookup_dentry(parent_inode, pending->dentry); - d_instantiate(pending->dentry, inode); fail: btrfs_end_transaction(trans, fs_info->fs_root); return ret; @@ -994,11 +998,11 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans, mutex_unlock(&root->fs_info->trans_mutex); if (flush_on_commit) { - btrfs_start_delalloc_inodes(root); - ret = btrfs_wait_ordered_extents(root, 0); + btrfs_start_delalloc_inodes(root, 1); + ret = btrfs_wait_ordered_extents(root, 0, 1); BUG_ON(ret); } else if (snap_pending) { - ret = btrfs_wait_ordered_extents(root, 1); + ret = btrfs_wait_ordered_extents(root, 0, 1); BUG_ON(ret); } @@ -1116,6 +1120,10 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans, current->journal_info = NULL; kmem_cache_free(btrfs_trans_handle_cachep, trans); + + if (current != root->fs_info->transaction_kthread) + btrfs_run_delayed_iputs(root); + return ret; } diff --git a/fs/btrfs/transaction.h b/fs/btrfs/transaction.h index d4e3e7a6938..93c7ccb3311 100644 --- a/fs/btrfs/transaction.h +++ b/fs/btrfs/transaction.h @@ -107,10 +107,10 @@ void btrfs_throttle(struct btrfs_root *root); int btrfs_record_root_in_trans(struct btrfs_trans_handle *trans, struct btrfs_root *root); int btrfs_write_and_wait_marked_extents(struct btrfs_root *root, - struct extent_io_tree *dirty_pages); + struct extent_io_tree *dirty_pages, int mark); int btrfs_write_marked_extents(struct btrfs_root *root, - struct extent_io_tree *dirty_pages); + struct extent_io_tree *dirty_pages, int mark); int btrfs_wait_marked_extents(struct btrfs_root *root, - struct extent_io_tree *dirty_pages); + struct extent_io_tree *dirty_pages, int mark); int btrfs_transaction_in_commit(struct btrfs_fs_info *info); #endif diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c index 741666a7676..4a9434b622e 100644 --- a/fs/btrfs/tree-log.c +++ b/fs/btrfs/tree-log.c @@ -542,8 +542,8 @@ static noinline int replay_one_extent(struct btrfs_trans_handle *trans, saved_nbytes = inode_get_bytes(inode); /* drop any overlapping extents */ - ret = btrfs_drop_extents(trans, root, inode, - start, extent_end, extent_end, start, &alloc_hint, 1); + ret = btrfs_drop_extents(trans, inode, start, extent_end, + &alloc_hint, 1); BUG_ON(ret); if (found_type == BTRFS_FILE_EXTENT_REG || @@ -930,6 +930,17 @@ out_nowrite: return 0; } +static int insert_orphan_item(struct btrfs_trans_handle *trans, + struct btrfs_root *root, u64 offset) +{ + int ret; + ret = btrfs_find_orphan_item(root, offset); + if (ret > 0) + ret = btrfs_insert_orphan_item(trans, root, offset); + return ret; +} + + /* * There are a few corners where the link count of the file can't * be properly maintained during replay. So, instead of adding @@ -997,9 +1008,13 @@ static noinline int fixup_inode_link_count(struct btrfs_trans_handle *trans, } BTRFS_I(inode)->index_cnt = (u64)-1; - if (inode->i_nlink == 0 && S_ISDIR(inode->i_mode)) { - ret = replay_dir_deletes(trans, root, NULL, path, - inode->i_ino, 1); + if (inode->i_nlink == 0) { + if (S_ISDIR(inode->i_mode)) { + ret = replay_dir_deletes(trans, root, NULL, path, + inode->i_ino, 1); + BUG_ON(ret); + } + ret = insert_orphan_item(trans, root, inode->i_ino); BUG_ON(ret); } btrfs_free_path(path); @@ -1587,7 +1602,6 @@ static int replay_one_buffer(struct btrfs_root *log, struct extent_buffer *eb, /* inode keys are done during the first stage */ if (key.type == BTRFS_INODE_ITEM_KEY && wc->stage == LOG_WALK_REPLAY_INODES) { - struct inode *inode; struct btrfs_inode_item *inode_item; u32 mode; @@ -1603,31 +1617,16 @@ static int replay_one_buffer(struct btrfs_root *log, struct extent_buffer *eb, eb, i, &key); BUG_ON(ret); - /* for regular files, truncate away - * extents past the new EOF + /* for regular files, make sure corresponding + * orhpan item exist. extents past the new EOF + * will be truncated later by orphan cleanup. */ if (S_ISREG(mode)) { - inode = read_one_inode(root, - key.objectid); - BUG_ON(!inode); - - ret = btrfs_truncate_inode_items(wc->trans, - root, inode, inode->i_size, - BTRFS_EXTENT_DATA_KEY); + ret = insert_orphan_item(wc->trans, root, + key.objectid); BUG_ON(ret); - - /* if the nlink count is zero here, the iput - * will free the inode. We bump it to make - * sure it doesn't get freed until the link - * count fixup is done - */ - if (inode->i_nlink == 0) { - btrfs_inc_nlink(inode); - btrfs_update_inode(wc->trans, - root, inode); - } - iput(inode); } + ret = link_to_fixup_dir(wc->trans, root, path, key.objectid); BUG_ON(ret); @@ -1977,10 +1976,11 @@ int btrfs_sync_log(struct btrfs_trans_handle *trans, { int index1; int index2; + int mark; int ret; struct btrfs_root *log = root->log_root; struct btrfs_root *log_root_tree = root->fs_info->log_root_tree; - u64 log_transid = 0; + unsigned long log_transid = 0; mutex_lock(&root->log_mutex); index1 = root->log_transid % 2; @@ -2014,24 +2014,29 @@ int btrfs_sync_log(struct btrfs_trans_handle *trans, goto out; } + log_transid = root->log_transid; + if (log_transid % 2 == 0) + mark = EXTENT_DIRTY; + else + mark = EXTENT_NEW; + /* we start IO on all the marked extents here, but we don't actually * wait for them until later. */ - ret = btrfs_write_marked_extents(log, &log->dirty_log_pages); + ret = btrfs_write_marked_extents(log, &log->dirty_log_pages, mark); BUG_ON(ret); btrfs_set_root_node(&log->root_item, log->node); root->log_batch = 0; - log_transid = root->log_transid; root->log_transid++; log->log_transid = root->log_transid; root->log_start_pid = 0; smp_mb(); /* - * log tree has been flushed to disk, new modifications of - * the log will be written to new positions. so it's safe to - * allow log writers to go in. + * IO has been started, blocks of the log tree have WRITTEN flag set + * in their headers. new modifications of the log will be written to + * new positions. so it's safe to allow log writers to go in. */ mutex_unlock(&root->log_mutex); @@ -2052,7 +2057,7 @@ int btrfs_sync_log(struct btrfs_trans_handle *trans, index2 = log_root_tree->log_transid % 2; if (atomic_read(&log_root_tree->log_commit[index2])) { - btrfs_wait_marked_extents(log, &log->dirty_log_pages); + btrfs_wait_marked_extents(log, &log->dirty_log_pages, mark); wait_log_commit(trans, log_root_tree, log_root_tree->log_transid); mutex_unlock(&log_root_tree->log_mutex); @@ -2072,16 +2077,17 @@ int btrfs_sync_log(struct btrfs_trans_handle *trans, * check the full commit flag again */ if (root->fs_info->last_trans_log_full_commit == trans->transid) { - btrfs_wait_marked_extents(log, &log->dirty_log_pages); + btrfs_wait_marked_extents(log, &log->dirty_log_pages, mark); mutex_unlock(&log_root_tree->log_mutex); ret = -EAGAIN; goto out_wake_log_root; } ret = btrfs_write_and_wait_marked_extents(log_root_tree, - &log_root_tree->dirty_log_pages); + &log_root_tree->dirty_log_pages, + EXTENT_DIRTY | EXTENT_NEW); BUG_ON(ret); - btrfs_wait_marked_extents(log, &log->dirty_log_pages); + btrfs_wait_marked_extents(log, &log->dirty_log_pages, mark); btrfs_set_super_log_root(&root->fs_info->super_for_commit, log_root_tree->node->start); @@ -2147,12 +2153,12 @@ int btrfs_free_log(struct btrfs_trans_handle *trans, struct btrfs_root *root) while (1) { ret = find_first_extent_bit(&log->dirty_log_pages, - 0, &start, &end, EXTENT_DIRTY); + 0, &start, &end, EXTENT_DIRTY | EXTENT_NEW); if (ret) break; - clear_extent_dirty(&log->dirty_log_pages, - start, end, GFP_NOFS); + clear_extent_bits(&log->dirty_log_pages, start, end, + EXTENT_DIRTY | EXTENT_NEW, GFP_NOFS); } if (log->log_transid > 0) { diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index 7eda483d7b5..198cff28766 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -2209,7 +2209,7 @@ static int __btrfs_alloc_chunk(struct btrfs_trans_handle *trans, max_chunk_size = 10 * calc_size; min_stripe_size = 64 * 1024 * 1024; } else if (type & BTRFS_BLOCK_GROUP_METADATA) { - max_chunk_size = 4 * calc_size; + max_chunk_size = 256 * 1024 * 1024; min_stripe_size = 32 * 1024 * 1024; } else if (type & BTRFS_BLOCK_GROUP_SYSTEM) { calc_size = 8 * 1024 * 1024; diff --git a/fs/btrfs/xattr.c b/fs/btrfs/xattr.c index b6dd5967c48..193b58f7d3f 100644 --- a/fs/btrfs/xattr.c +++ b/fs/btrfs/xattr.c @@ -85,22 +85,23 @@ out: return ret; } -int __btrfs_setxattr(struct inode *inode, const char *name, - const void *value, size_t size, int flags) +static int do_setxattr(struct btrfs_trans_handle *trans, + struct inode *inode, const char *name, + const void *value, size_t size, int flags) { struct btrfs_dir_item *di; struct btrfs_root *root = BTRFS_I(inode)->root; - struct btrfs_trans_handle *trans; struct btrfs_path *path; - int ret = 0, mod = 0; + size_t name_len = strlen(name); + int ret = 0; + + if (name_len + size > BTRFS_MAX_XATTR_SIZE(root)) + return -ENOSPC; path = btrfs_alloc_path(); if (!path) return -ENOMEM; - trans = btrfs_join_transaction(root, 1); - btrfs_set_trans_block_group(trans, inode); - /* first lets see if we already have this xattr */ di = btrfs_lookup_xattr(trans, root, path, inode->i_ino, name, strlen(name), -1); @@ -118,15 +119,12 @@ int __btrfs_setxattr(struct inode *inode, const char *name, } ret = btrfs_delete_one_dir_name(trans, root, path, di); - if (ret) - goto out; + BUG_ON(ret); btrfs_release_path(root, path); /* if we don't have a value then we are removing the xattr */ - if (!value) { - mod = 1; + if (!value) goto out; - } } else { btrfs_release_path(root, path); @@ -138,20 +136,45 @@ int __btrfs_setxattr(struct inode *inode, const char *name, } /* ok we have to create a completely new xattr */ - ret = btrfs_insert_xattr_item(trans, root, name, strlen(name), - value, size, inode->i_ino); + ret = btrfs_insert_xattr_item(trans, root, path, inode->i_ino, + name, name_len, value, size); + BUG_ON(ret); +out: + btrfs_free_path(path); + return ret; +} + +int __btrfs_setxattr(struct btrfs_trans_handle *trans, + struct inode *inode, const char *name, + const void *value, size_t size, int flags) +{ + struct btrfs_root *root = BTRFS_I(inode)->root; + int ret; + + if (trans) + return do_setxattr(trans, inode, name, value, size, flags); + + ret = btrfs_reserve_metadata_space(root, 2); if (ret) - goto out; - mod = 1; + return ret; -out: - if (mod) { - inode->i_ctime = CURRENT_TIME; - ret = btrfs_update_inode(trans, root, inode); + trans = btrfs_start_transaction(root, 1); + if (!trans) { + ret = -ENOMEM; + goto out; } + btrfs_set_trans_block_group(trans, inode); - btrfs_end_transaction(trans, root); - btrfs_free_path(path); + ret = do_setxattr(trans, inode, name, value, size, flags); + if (ret) + goto out; + + inode->i_ctime = CURRENT_TIME; + ret = btrfs_update_inode(trans, root, inode); + BUG_ON(ret); +out: + btrfs_end_transaction_throttle(trans, root); + btrfs_unreserve_metadata_space(root, 2); return ret; } @@ -314,7 +337,9 @@ int btrfs_setxattr(struct dentry *dentry, const char *name, const void *value, if (size == 0) value = ""; /* empty EA, do not remove */ - return __btrfs_setxattr(dentry->d_inode, name, value, size, flags); + + return __btrfs_setxattr(NULL, dentry->d_inode, name, value, size, + flags); } int btrfs_removexattr(struct dentry *dentry, const char *name) @@ -329,10 +354,13 @@ int btrfs_removexattr(struct dentry *dentry, const char *name) if (!btrfs_is_valid_xattr(name)) return -EOPNOTSUPP; - return __btrfs_setxattr(dentry->d_inode, name, NULL, 0, XATTR_REPLACE); + + return __btrfs_setxattr(NULL, dentry->d_inode, name, NULL, 0, + XATTR_REPLACE); } -int btrfs_xattr_security_init(struct inode *inode, struct inode *dir) +int btrfs_xattr_security_init(struct btrfs_trans_handle *trans, + struct inode *inode, struct inode *dir) { int err; size_t len; @@ -354,7 +382,7 @@ int btrfs_xattr_security_init(struct inode *inode, struct inode *dir) } else { strcpy(name, XATTR_SECURITY_PREFIX); strcpy(name + XATTR_SECURITY_PREFIX_LEN, suffix); - err = __btrfs_setxattr(inode, name, value, len, 0); + err = __btrfs_setxattr(trans, inode, name, value, len, 0); kfree(name); } diff --git a/fs/btrfs/xattr.h b/fs/btrfs/xattr.h index c71e9c3cf3f..721efa0346e 100644 --- a/fs/btrfs/xattr.h +++ b/fs/btrfs/xattr.h @@ -27,15 +27,16 @@ extern struct xattr_handler *btrfs_xattr_handlers[]; extern ssize_t __btrfs_getxattr(struct inode *inode, const char *name, void *buffer, size_t size); -extern int __btrfs_setxattr(struct inode *inode, const char *name, - const void *value, size_t size, int flags); - +extern int __btrfs_setxattr(struct btrfs_trans_handle *trans, + struct inode *inode, const char *name, + const void *value, size_t size, int flags); extern ssize_t btrfs_getxattr(struct dentry *dentry, const char *name, void *buffer, size_t size); extern int btrfs_setxattr(struct dentry *dentry, const char *name, const void *value, size_t size, int flags); extern int btrfs_removexattr(struct dentry *dentry, const char *name); -extern int btrfs_xattr_security_init(struct inode *inode, struct inode *dir); +extern int btrfs_xattr_security_init(struct btrfs_trans_handle *trans, + struct inode *inode, struct inode *dir); #endif /* __XATTR__ */ diff --git a/fs/direct-io.c b/fs/direct-io.c index 4012885d027..e82adc2debb 100644 --- a/fs/direct-io.c +++ b/fs/direct-io.c @@ -1206,7 +1206,7 @@ __blockdev_direct_IO(int rw, struct kiocb *iocb, struct inode *inode, * NOTE: filesystems with their own locking have to handle this * on their own. */ - if (dio->flags & DIO_LOCKING) { + if (flags & DIO_LOCKING) { if (unlikely((rw & WRITE) && retval < 0)) { loff_t isize = i_size_read(inode); if (end > isize) diff --git a/fs/ecryptfs/dentry.c b/fs/ecryptfs/dentry.c index 2dda5ade75b..8f006a0d607 100644 --- a/fs/ecryptfs/dentry.c +++ b/fs/ecryptfs/dentry.c @@ -62,7 +62,7 @@ static int ecryptfs_d_revalidate(struct dentry *dentry, struct nameidata *nd) struct inode *lower_inode = ecryptfs_inode_to_lower(dentry->d_inode); - fsstack_copy_attr_all(dentry->d_inode, lower_inode, NULL); + fsstack_copy_attr_all(dentry->d_inode, lower_inode); } out: return rc; diff --git a/fs/ecryptfs/inode.c b/fs/ecryptfs/inode.c index 056fed62d0d..429ca0b3ba0 100644 --- a/fs/ecryptfs/inode.c +++ b/fs/ecryptfs/inode.c @@ -626,9 +626,9 @@ ecryptfs_rename(struct inode *old_dir, struct dentry *old_dentry, lower_new_dir_dentry->d_inode, lower_new_dentry); if (rc) goto out_lock; - fsstack_copy_attr_all(new_dir, lower_new_dir_dentry->d_inode, NULL); + fsstack_copy_attr_all(new_dir, lower_new_dir_dentry->d_inode); if (new_dir != old_dir) - fsstack_copy_attr_all(old_dir, lower_old_dir_dentry->d_inode, NULL); + fsstack_copy_attr_all(old_dir, lower_old_dir_dentry->d_inode); out_lock: unlock_rename(lower_old_dir_dentry, lower_new_dir_dentry); dput(lower_new_dentry->d_parent); @@ -967,7 +967,7 @@ static int ecryptfs_setattr(struct dentry *dentry, struct iattr *ia) rc = notify_change(lower_dentry, ia); mutex_unlock(&lower_dentry->d_inode->i_mutex); out: - fsstack_copy_attr_all(inode, lower_inode, NULL); + fsstack_copy_attr_all(inode, lower_inode); return rc; } diff --git a/fs/ecryptfs/main.c b/fs/ecryptfs/main.c index 101fe4c7b1e..567bc4b9f70 100644 --- a/fs/ecryptfs/main.c +++ b/fs/ecryptfs/main.c @@ -189,7 +189,7 @@ int ecryptfs_interpose(struct dentry *lower_dentry, struct dentry *dentry, init_special_inode(inode, lower_inode->i_mode, lower_inode->i_rdev); dentry->d_op = &ecryptfs_dops; - fsstack_copy_attr_all(inode, lower_inode, NULL); + fsstack_copy_attr_all(inode, lower_inode); /* This size will be overwritten for real files w/ headers and * other metadata */ fsstack_copy_inode_size(inode, lower_inode); diff --git a/fs/exec.c b/fs/exec.c index 623a5cc3076..632b02e34ec 100644 --- a/fs/exec.c +++ b/fs/exec.c @@ -826,7 +826,9 @@ static int de_thread(struct task_struct *tsk) attach_pid(tsk, PIDTYPE_PID, task_pid(leader)); transfer_pid(leader, tsk, PIDTYPE_PGID); transfer_pid(leader, tsk, PIDTYPE_SID); + list_replace_rcu(&leader->tasks, &tsk->tasks); + list_replace_init(&leader->sibling, &tsk->sibling); tsk->group_leader = tsk; leader->group_leader = tsk; @@ -1761,17 +1763,20 @@ void do_coredump(long signr, int exit_code, struct pt_regs *regs) struct mm_struct *mm = current->mm; struct linux_binfmt * binfmt; struct inode * inode; - struct file * file; const struct cred *old_cred; struct cred *cred; int retval = 0; int flag = 0; int ispipe = 0; - unsigned long core_limit = current->signal->rlim[RLIMIT_CORE].rlim_cur; char **helper_argv = NULL; int helper_argc = 0; int dump_count = 0; static atomic_t core_dump_count = ATOMIC_INIT(0); + struct coredump_params cprm = { + .signr = signr, + .regs = regs, + .limit = current->signal->rlim[RLIMIT_CORE].rlim_cur, + }; audit_core_dumps(signr); @@ -1827,15 +1832,15 @@ void do_coredump(long signr, int exit_code, struct pt_regs *regs) ispipe = format_corename(corename, signr); unlock_kernel(); - if ((!ispipe) && (core_limit < binfmt->min_coredump)) + if ((!ispipe) && (cprm.limit < binfmt->min_coredump)) goto fail_unlock; if (ispipe) { - if (core_limit == 0) { + if (cprm.limit == 0) { /* * Normally core limits are irrelevant to pipes, since * we're not writing to the file system, but we use - * core_limit of 0 here as a speacial value. Any + * cprm.limit of 0 here as a speacial value. Any * non-zero limit gets set to RLIM_INFINITY below, but * a limit of 0 skips the dump. This is a consistent * way to catch recursive crashes. We can still crash @@ -1868,25 +1873,25 @@ void do_coredump(long signr, int exit_code, struct pt_regs *regs) goto fail_dropcount; } - core_limit = RLIM_INFINITY; + cprm.limit = RLIM_INFINITY; /* SIGPIPE can happen, but it's just never processed */ if (call_usermodehelper_pipe(helper_argv[0], helper_argv, NULL, - &file)) { + &cprm.file)) { printk(KERN_INFO "Core dump to %s pipe failed\n", corename); goto fail_dropcount; } } else - file = filp_open(corename, + cprm.file = filp_open(corename, O_CREAT | 2 | O_NOFOLLOW | O_LARGEFILE | flag, 0600); - if (IS_ERR(file)) + if (IS_ERR(cprm.file)) goto fail_dropcount; - inode = file->f_path.dentry->d_inode; + inode = cprm.file->f_path.dentry->d_inode; if (inode->i_nlink > 1) goto close_fail; /* multiple links - don't dump */ - if (!ispipe && d_unhashed(file->f_path.dentry)) + if (!ispipe && d_unhashed(cprm.file->f_path.dentry)) goto close_fail; /* AK: actually i see no reason to not allow this for named pipes etc., @@ -1899,21 +1904,22 @@ void do_coredump(long signr, int exit_code, struct pt_regs *regs) */ if (inode->i_uid != current_fsuid()) goto close_fail; - if (!file->f_op) + if (!cprm.file->f_op) goto close_fail; - if (!file->f_op->write) + if (!cprm.file->f_op->write) goto close_fail; - if (!ispipe && do_truncate(file->f_path.dentry, 0, 0, file) != 0) + if (!ispipe && + do_truncate(cprm.file->f_path.dentry, 0, 0, cprm.file) != 0) goto close_fail; - retval = binfmt->core_dump(signr, regs, file, core_limit); + retval = binfmt->core_dump(&cprm); if (retval) current->signal->group_exit_code |= 0x80; close_fail: if (ispipe && core_pipe_limit) - wait_for_dump_helpers(file); - filp_close(file, NULL); + wait_for_dump_helpers(cprm.file); + filp_close(cprm.file, NULL); fail_dropcount: if (dump_count) atomic_dec(&core_dump_count); diff --git a/fs/ext4/Kconfig b/fs/ext4/Kconfig index e5f6774846e..9acf7e80813 100644 --- a/fs/ext4/Kconfig +++ b/fs/ext4/Kconfig @@ -2,7 +2,6 @@ config EXT4_FS tristate "The Extended 4 (ext4) filesystem" select JBD2 select CRC16 - select FS_JOURNAL_INFO help This is the next generation of the ext3 filesystem. diff --git a/fs/gfs2/Kconfig b/fs/gfs2/Kconfig index b192c661caa..4dcddf83326 100644 --- a/fs/gfs2/Kconfig +++ b/fs/gfs2/Kconfig @@ -10,7 +10,6 @@ config GFS2_FS select SLOW_WORK select QUOTA select QUOTACTL - select FS_JOURNAL_INFO help A cluster filesystem. diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c index 3ff32fa793d..6e220f4eee7 100644 --- a/fs/gfs2/inode.c +++ b/fs/gfs2/inode.c @@ -125,7 +125,7 @@ static struct inode *gfs2_iget_skip(struct super_block *sb, * directory entry when gfs2_inode_lookup() is invoked. Part of the code * segment inside gfs2_inode_lookup code needs to get moved around. * - * Clean up I_LOCK and I_NEW as well. + * Clears I_NEW as well. **/ void gfs2_set_iop(struct inode *inode) diff --git a/fs/inode.c b/fs/inode.c index 06c1f02de61..03dfeb2e392 100644 --- a/fs/inode.c +++ b/fs/inode.c @@ -113,7 +113,7 @@ static void wake_up_inode(struct inode *inode) * Prevent speculative execution through spin_unlock(&inode_lock); */ smp_mb(); - wake_up_bit(&inode->i_state, __I_LOCK); + wake_up_bit(&inode->i_state, __I_NEW); } /** @@ -690,17 +690,17 @@ void unlock_new_inode(struct inode *inode) } #endif /* - * This is special! We do not need the spinlock when clearing I_LOCK, + * This is special! We do not need the spinlock when clearing I_NEW, * because we're guaranteed that nobody else tries to do anything about * the state of the inode when it is locked, as we just created it (so - * there can be no old holders that haven't tested I_LOCK). + * there can be no old holders that haven't tested I_NEW). * However we must emit the memory barrier so that other CPUs reliably - * see the clearing of I_LOCK after the other inode initialisation has + * see the clearing of I_NEW after the other inode initialisation has * completed. */ smp_mb(); - WARN_ON((inode->i_state & (I_LOCK|I_NEW)) != (I_LOCK|I_NEW)); - inode->i_state &= ~(I_LOCK|I_NEW); + WARN_ON(!(inode->i_state & I_NEW)); + inode->i_state &= ~I_NEW; wake_up_inode(inode); } EXPORT_SYMBOL(unlock_new_inode); @@ -731,7 +731,7 @@ static struct inode *get_new_inode(struct super_block *sb, goto set_failed; __inode_add_to_lists(sb, head, inode); - inode->i_state = I_LOCK|I_NEW; + inode->i_state = I_NEW; spin_unlock(&inode_lock); /* Return the locked inode with I_NEW set, the @@ -778,7 +778,7 @@ static struct inode *get_new_inode_fast(struct super_block *sb, if (!old) { inode->i_ino = ino; __inode_add_to_lists(sb, head, inode); - inode->i_state = I_LOCK|I_NEW; + inode->i_state = I_NEW; spin_unlock(&inode_lock); /* Return the locked inode with I_NEW set, the @@ -1083,7 +1083,7 @@ int insert_inode_locked(struct inode *inode) ino_t ino = inode->i_ino; struct hlist_head *head = inode_hashtable + hash(sb, ino); - inode->i_state |= I_LOCK|I_NEW; + inode->i_state |= I_NEW; while (1) { struct hlist_node *node; struct inode *old = NULL; @@ -1120,7 +1120,7 @@ int insert_inode_locked4(struct inode *inode, unsigned long hashval, struct super_block *sb = inode->i_sb; struct hlist_head *head = inode_hashtable + hash(sb, hashval); - inode->i_state |= I_LOCK|I_NEW; + inode->i_state |= I_NEW; while (1) { struct hlist_node *node; @@ -1510,7 +1510,7 @@ EXPORT_SYMBOL(inode_wait); * until the deletion _might_ have completed. Callers are responsible * to recheck inode state. * - * It doesn't matter if I_LOCK is not set initially, a call to + * It doesn't matter if I_NEW is not set initially, a call to * wake_up_inode() after removing from the hash list will DTRT. * * This is called with inode_lock held. @@ -1518,8 +1518,8 @@ EXPORT_SYMBOL(inode_wait); static void __wait_on_freeing_inode(struct inode *inode) { wait_queue_head_t *wq; - DEFINE_WAIT_BIT(wait, &inode->i_state, __I_LOCK); - wq = bit_waitqueue(&inode->i_state, __I_LOCK); + DEFINE_WAIT_BIT(wait, &inode->i_state, __I_NEW); + wq = bit_waitqueue(&inode->i_state, __I_NEW); prepare_to_wait(wq, &wait.wait, TASK_UNINTERRUPTIBLE); spin_unlock(&inode_lock); schedule(); diff --git a/fs/jbd/Kconfig b/fs/jbd/Kconfig index a8408983abd..4e28beeed15 100644 --- a/fs/jbd/Kconfig +++ b/fs/jbd/Kconfig @@ -1,6 +1,5 @@ config JBD tristate - select FS_JOURNAL_INFO help This is a generic journalling layer for block devices. It is currently used by the ext3 file system, but it could also be diff --git a/fs/jbd2/Kconfig b/fs/jbd2/Kconfig index 0f7d1ceafdf..f32f346f4b0 100644 --- a/fs/jbd2/Kconfig +++ b/fs/jbd2/Kconfig @@ -1,7 +1,6 @@ config JBD2 tristate select CRC32 - select FS_JOURNAL_INFO help This is a generic journaling layer for block devices that support both 32-bit and 64-bit block numbers. It is currently used by diff --git a/fs/jfs/jfs_txnmgr.c b/fs/jfs/jfs_txnmgr.c index f26e4d03ada..d945ea76b44 100644 --- a/fs/jfs/jfs_txnmgr.c +++ b/fs/jfs/jfs_txnmgr.c @@ -1292,7 +1292,7 @@ int txCommit(tid_t tid, /* transaction identifier */ */ /* * I believe this code is no longer needed. Splitting I_LOCK - * into two bits, I_LOCK and I_SYNC should prevent this + * into two bits, I_NEW and I_SYNC should prevent this * deadlock as well. But since I don't have a JFS testload * to verify this, only a trivial s/I_LOCK/I_SYNC/ was done. * Joern diff --git a/fs/namei.c b/fs/namei.c index d2783c8a770..dad4b80257d 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -1764,7 +1764,7 @@ do_last: path_to_nameidata(&path, &nd); error = -EISDIR; - if (path.dentry->d_inode && S_ISDIR(path.dentry->d_inode->i_mode)) + if (S_ISDIR(path.dentry->d_inode->i_mode)) goto exit; ok: /* diff --git a/fs/namespace.c b/fs/namespace.c index faab1273281..7d70d63ceb2 100644 --- a/fs/namespace.c +++ b/fs/namespace.c @@ -2068,7 +2068,7 @@ struct mnt_namespace *copy_mnt_ns(unsigned long flags, struct mnt_namespace *ns, * create_mnt_ns - creates a private namespace and adds a root filesystem * @mnt: pointer to the new root filesystem mountpoint */ -static struct mnt_namespace *create_mnt_ns(struct vfsmount *mnt) +struct mnt_namespace *create_mnt_ns(struct vfsmount *mnt) { struct mnt_namespace *new_ns; @@ -2080,6 +2080,7 @@ static struct mnt_namespace *create_mnt_ns(struct vfsmount *mnt) } return new_ns; } +EXPORT_SYMBOL(create_mnt_ns); SYSCALL_DEFINE5(mount, char __user *, dev_name, char __user *, dir_name, char __user *, type, unsigned long, flags, void __user *, data) diff --git a/fs/nfs/super.c b/fs/nfs/super.c index d5b112bcf3d..ce907efc550 100644 --- a/fs/nfs/super.c +++ b/fs/nfs/super.c @@ -2648,13 +2648,21 @@ out_freepage: static int nfs_follow_remote_path(struct vfsmount *root_mnt, const char *export_path, struct vfsmount *mnt_target) { + struct mnt_namespace *ns_private; struct nameidata nd; struct super_block *s; int ret; + ns_private = create_mnt_ns(root_mnt); + ret = PTR_ERR(ns_private); + if (IS_ERR(ns_private)) + goto out_mntput; + ret = vfs_path_lookup(root_mnt->mnt_root, root_mnt, export_path, LOOKUP_FOLLOW, &nd); + put_mnt_ns(ns_private); + if (ret != 0) goto out_err; diff --git a/fs/nilfs2/Kconfig b/fs/nilfs2/Kconfig index 1225af7b216..251da07b2a1 100644 --- a/fs/nilfs2/Kconfig +++ b/fs/nilfs2/Kconfig @@ -2,7 +2,6 @@ config NILFS2_FS tristate "NILFS2 file system support (EXPERIMENTAL)" depends on EXPERIMENTAL select CRC32 - select FS_JOURNAL_INFO help NILFS2 is a log-structured file system (LFS) supporting continuous snapshotting. In addition to versioning capability of the entire diff --git a/fs/ntfs/inode.c b/fs/ntfs/inode.c index 9938034762c..dc2505abb6d 100644 --- a/fs/ntfs/inode.c +++ b/fs/ntfs/inode.c @@ -530,7 +530,7 @@ err_corrupt_attr: * the ntfs inode. * * Q: What locks are held when the function is called? - * A: i_state has I_LOCK set, hence the inode is locked, also + * A: i_state has I_NEW set, hence the inode is locked, also * i_count is set to 1, so it is not going to go away * i_flags is set to 0 and we have no business touching it. Only an ioctl() * is allowed to write to them. We should of course be honouring them but @@ -1207,7 +1207,7 @@ err_out: * necessary fields in @vi as well as initializing the ntfs inode. * * Q: What locks are held when the function is called? - * A: i_state has I_LOCK set, hence the inode is locked, also + * A: i_state has I_NEW set, hence the inode is locked, also * i_count is set to 1, so it is not going to go away * * Return 0 on success and -errno on error. In the error case, the inode will @@ -1474,7 +1474,7 @@ err_out: * normal directory inodes. * * Q: What locks are held when the function is called? - * A: i_state has I_LOCK set, hence the inode is locked, also + * A: i_state has I_NEW set, hence the inode is locked, also * i_count is set to 1, so it is not going to go away * * Return 0 on success and -errno on error. In the error case, the inode will diff --git a/fs/pipe.c b/fs/pipe.c index 43d79da5c57..37ba29ff315 100644 --- a/fs/pipe.c +++ b/fs/pipe.c @@ -906,17 +906,6 @@ void free_pipe_info(struct inode *inode) } static struct vfsmount *pipe_mnt __read_mostly; -static int pipefs_delete_dentry(struct dentry *dentry) -{ - /* - * At creation time, we pretended this dentry was hashed - * (by clearing DCACHE_UNHASHED bit in d_flags) - * At delete time, we restore the truth : not hashed. - * (so that dput() can proceed correctly) - */ - dentry->d_flags |= DCACHE_UNHASHED; - return 0; -} /* * pipefs_dname() is called from d_path(). @@ -928,7 +917,6 @@ static char *pipefs_dname(struct dentry *dentry, char *buffer, int buflen) } static const struct dentry_operations pipefs_dentry_operations = { - .d_delete = pipefs_delete_dentry, .d_dname = pipefs_dname, }; @@ -989,12 +977,6 @@ struct file *create_write_pipe(int flags) path.mnt = mntget(pipe_mnt); path.dentry->d_op = &pipefs_dentry_operations; - /* - * We dont want to publish this dentry into global dentry hash table. - * We pretend dentry is already hashed, by unsetting DCACHE_UNHASHED - * This permits a working /proc/$pid/fd/XXX on pipes - */ - path.dentry->d_flags &= ~DCACHE_UNHASHED; d_instantiate(path.dentry, inode); err = -ENFILE; diff --git a/fs/proc/array.c b/fs/proc/array.c index 4badde179b1..f560325c444 100644 --- a/fs/proc/array.c +++ b/fs/proc/array.c @@ -134,13 +134,16 @@ static inline void task_name(struct seq_file *m, struct task_struct *p) * simple bit tests. */ static const char *task_state_array[] = { - "R (running)", /* 0 */ - "S (sleeping)", /* 1 */ - "D (disk sleep)", /* 2 */ - "T (stopped)", /* 4 */ - "T (tracing stop)", /* 8 */ - "Z (zombie)", /* 16 */ - "X (dead)" /* 32 */ + "R (running)", /* 0 */ + "S (sleeping)", /* 1 */ + "D (disk sleep)", /* 2 */ + "T (stopped)", /* 4 */ + "t (tracing stop)", /* 8 */ + "Z (zombie)", /* 16 */ + "X (dead)", /* 32 */ + "x (dead)", /* 64 */ + "K (wakekill)", /* 128 */ + "W (waking)", /* 256 */ }; static inline const char *get_task_state(struct task_struct *tsk) @@ -148,6 +151,8 @@ static inline const char *get_task_state(struct task_struct *tsk) unsigned int state = (tsk->state & TASK_REPORT) | tsk->exit_state; const char **p = &task_state_array[0]; + BUILD_BUG_ON(1 + ilog2(TASK_STATE_MAX) != ARRAY_SIZE(task_state_array)); + while (state) { p++; state >>= 1; diff --git a/fs/ramfs/file-nommu.c b/fs/ramfs/file-nommu.c index 32fae4040eb..2efc57173fd 100644 --- a/fs/ramfs/file-nommu.c +++ b/fs/ramfs/file-nommu.c @@ -60,7 +60,7 @@ const struct inode_operations ramfs_file_inode_operations = { */ int ramfs_nommu_expand_for_mapping(struct inode *inode, size_t newsize) { - unsigned long npages, xpages, loop, limit; + unsigned long npages, xpages, loop; struct page *pages; unsigned order; void *data; diff --git a/fs/reiserfs/Kconfig b/fs/reiserfs/Kconfig index ac7cd75c86f..513f431038f 100644 --- a/fs/reiserfs/Kconfig +++ b/fs/reiserfs/Kconfig @@ -1,7 +1,6 @@ config REISERFS_FS tristate "Reiserfs support" select CRC32 - select FS_JOURNAL_INFO help Stores not just filenames but the files themselves in a balanced tree. Uses journalling. diff --git a/fs/reiserfs/inode.c b/fs/reiserfs/inode.c index 3a28e7751b3..290ae38fca8 100644 --- a/fs/reiserfs/inode.c +++ b/fs/reiserfs/inode.c @@ -2538,6 +2538,12 @@ static int reiserfs_writepage(struct page *page, struct writeback_control *wbc) return reiserfs_write_full_page(page, wbc); } +static void reiserfs_truncate_failed_write(struct inode *inode) +{ + truncate_inode_pages(inode->i_mapping, inode->i_size); + reiserfs_truncate_file(inode, 0); +} + static int reiserfs_write_begin(struct file *file, struct address_space *mapping, loff_t pos, unsigned len, unsigned flags, @@ -2604,6 +2610,8 @@ static int reiserfs_write_begin(struct file *file, if (ret) { unlock_page(page); page_cache_release(page); + /* Truncate allocated blocks */ + reiserfs_truncate_failed_write(inode); } return ret; } @@ -2701,9 +2709,7 @@ static int reiserfs_write_end(struct file *file, struct address_space *mapping, ** transaction tracking stuff when the size changes. So, we have ** to do the i_size updates here. */ - pos += copied; - - if (pos > inode->i_size) { + if (pos + copied > inode->i_size) { struct reiserfs_transaction_handle myth; lock_depth = reiserfs_write_lock_once(inode->i_sb); locked = true; @@ -2721,7 +2727,7 @@ static int reiserfs_write_end(struct file *file, struct address_space *mapping, goto journal_error; reiserfs_update_inode_transaction(inode); - inode->i_size = pos; + inode->i_size = pos + copied; /* * this will just nest into our transaction. It's important * to use mark_inode_dirty so the inode gets pushed around on the @@ -2751,6 +2757,10 @@ static int reiserfs_write_end(struct file *file, struct address_space *mapping, reiserfs_write_unlock_once(inode->i_sb, lock_depth); unlock_page(page); page_cache_release(page); + + if (pos + len > inode->i_size) + reiserfs_truncate_failed_write(inode); + return ret == 0 ? copied : ret; journal_error: diff --git a/fs/stack.c b/fs/stack.c index 67716f6a1a4..4a6f7f44065 100644 --- a/fs/stack.c +++ b/fs/stack.c @@ -7,18 +7,63 @@ * This function cannot be inlined since i_size_{read,write} is rather * heavy-weight on 32-bit systems */ -void fsstack_copy_inode_size(struct inode *dst, const struct inode *src) +void fsstack_copy_inode_size(struct inode *dst, struct inode *src) { - i_size_write(dst, i_size_read((struct inode *)src)); - dst->i_blocks = src->i_blocks; + loff_t i_size; + blkcnt_t i_blocks; + + /* + * i_size_read() includes its own seqlocking and protection from + * preemption (see include/linux/fs.h): we need nothing extra for + * that here, and prefer to avoid nesting locks than attempt to keep + * i_size and i_blocks in sync together. + */ + i_size = i_size_read(src); + + /* + * But if CONFIG_LBDAF (on 32-bit), we ought to make an effort to + * keep the two halves of i_blocks in sync despite SMP or PREEMPT - + * though stat's generic_fillattr() doesn't bother, and we won't be + * applying quotas (where i_blocks does become important) at the + * upper level. + * + * We don't actually know what locking is used at the lower level; + * but if it's a filesystem that supports quotas, it will be using + * i_lock as in inode_add_bytes(). tmpfs uses other locking, and + * its 32-bit is (just) able to exceed 2TB i_size with the aid of + * holes; but its i_blocks cannot carry into the upper long without + * almost 2TB swap - let's ignore that case. + */ + if (sizeof(i_blocks) > sizeof(long)) + spin_lock(&src->i_lock); + i_blocks = src->i_blocks; + if (sizeof(i_blocks) > sizeof(long)) + spin_unlock(&src->i_lock); + + /* + * If CONFIG_SMP or CONFIG_PREEMPT on 32-bit, it's vital for + * fsstack_copy_inode_size() to hold some lock around + * i_size_write(), otherwise i_size_read() may spin forever (see + * include/linux/fs.h). We don't necessarily hold i_mutex when this + * is called, so take i_lock for that case. + * + * And if CONFIG_LBADF (on 32-bit), continue our effort to keep the + * two halves of i_blocks in sync despite SMP or PREEMPT: use i_lock + * for that case too, and do both at once by combining the tests. + * + * There is none of this locking overhead in the 64-bit case. + */ + if (sizeof(i_size) > sizeof(long) || sizeof(i_blocks) > sizeof(long)) + spin_lock(&dst->i_lock); + i_size_write(dst, i_size); + dst->i_blocks = i_blocks; + if (sizeof(i_size) > sizeof(long) || sizeof(i_blocks) > sizeof(long)) + spin_unlock(&dst->i_lock); } EXPORT_SYMBOL_GPL(fsstack_copy_inode_size); -/* copy all attributes; get_nlinks is optional way to override the i_nlink - * copying - */ -void fsstack_copy_attr_all(struct inode *dest, const struct inode *src, - int (*get_nlinks)(struct inode *)) +/* copy all attributes */ +void fsstack_copy_attr_all(struct inode *dest, const struct inode *src) { dest->i_mode = src->i_mode; dest->i_uid = src->i_uid; @@ -29,14 +74,6 @@ void fsstack_copy_attr_all(struct inode *dest, const struct inode *src, dest->i_ctime = src->i_ctime; dest->i_blkbits = src->i_blkbits; dest->i_flags = src->i_flags; - - /* - * Update the nlinks AFTER updating the above fields, because the - * get_links callback may depend on them. - */ - if (!get_nlinks) - dest->i_nlink = src->i_nlink; - else - dest->i_nlink = (*get_nlinks)(dest); + dest->i_nlink = src->i_nlink; } EXPORT_SYMBOL_GPL(fsstack_copy_attr_all); diff --git a/fs/sync.c b/fs/sync.c index 36752a68348..418727a2a23 100644 --- a/fs/sync.c +++ b/fs/sync.c @@ -355,6 +355,7 @@ SYSCALL_DEFINE(sync_file_range)(int fd, loff_t offset, loff_t nbytes, { int ret; struct file *file; + struct address_space *mapping; loff_t endbyte; /* inclusive */ int fput_needed; umode_t i_mode; @@ -405,7 +406,28 @@ SYSCALL_DEFINE(sync_file_range)(int fd, loff_t offset, loff_t nbytes, !S_ISLNK(i_mode)) goto out_put; - ret = do_sync_mapping_range(file->f_mapping, offset, endbyte, flags); + mapping = file->f_mapping; + if (!mapping) { + ret = -EINVAL; + goto out_put; + } + + ret = 0; + if (flags & SYNC_FILE_RANGE_WAIT_BEFORE) { + ret = filemap_fdatawait_range(mapping, offset, endbyte); + if (ret < 0) + goto out_put; + } + + if (flags & SYNC_FILE_RANGE_WRITE) { + ret = filemap_fdatawrite_range(mapping, offset, endbyte); + if (ret < 0) + goto out_put; + } + + if (flags & SYNC_FILE_RANGE_WAIT_AFTER) + ret = filemap_fdatawait_range(mapping, offset, endbyte); + out_put: fput_light(file, fput_needed); out: @@ -437,38 +459,3 @@ asmlinkage long SyS_sync_file_range2(long fd, long flags, } SYSCALL_ALIAS(sys_sync_file_range2, SyS_sync_file_range2); #endif - -/* - * `endbyte' is inclusive - */ -int do_sync_mapping_range(struct address_space *mapping, loff_t offset, - loff_t endbyte, unsigned int flags) -{ - int ret; - - if (!mapping) { - ret = -EINVAL; - goto out; - } - - ret = 0; - if (flags & SYNC_FILE_RANGE_WAIT_BEFORE) { - ret = filemap_fdatawait_range(mapping, offset, endbyte); - if (ret < 0) - goto out; - } - - if (flags & SYNC_FILE_RANGE_WRITE) { - ret = __filemap_fdatawrite_range(mapping, offset, endbyte, - WB_SYNC_ALL); - if (ret < 0) - goto out; - } - - if (flags & SYNC_FILE_RANGE_WAIT_AFTER) { - ret = filemap_fdatawait_range(mapping, offset, endbyte); - } -out: - return ret; -} -EXPORT_SYMBOL_GPL(do_sync_mapping_range); diff --git a/fs/ubifs/file.c b/fs/ubifs/file.c index 39849f887e7..16a6444330e 100644 --- a/fs/ubifs/file.c +++ b/fs/ubifs/file.c @@ -45,7 +45,7 @@ * * Similarly, @i_mutex is not always locked in 'ubifs_readpage()', e.g., the * read-ahead path does not lock it ("sys_read -> generic_file_aio_read -> - * ondemand_readahead -> readpage"). In case of readahead, @I_LOCK flag is not + * ondemand_readahead -> readpage"). In case of readahead, @I_SYNC flag is not * set as well. However, UBIFS disables readahead. */ diff --git a/fs/xfs/linux-2.6/xfs_iops.c b/fs/xfs/linux-2.6/xfs_iops.c index 1d5b298ba8b..225946012d0 100644 --- a/fs/xfs/linux-2.6/xfs_iops.c +++ b/fs/xfs/linux-2.6/xfs_iops.c @@ -794,7 +794,7 @@ xfs_setup_inode( struct inode *inode = &ip->i_vnode; inode->i_ino = ip->i_ino; - inode->i_state = I_NEW|I_LOCK; + inode->i_state = I_NEW; inode_add_to_lists(ip->i_mount->m_super, inode); inode->i_mode = ip->i_d.di_mode; diff --git a/fs/xfs/xfs_iget.c b/fs/xfs/xfs_iget.c index 0de36c2a46f..fa402a6bbbc 100644 --- a/fs/xfs/xfs_iget.c +++ b/fs/xfs/xfs_iget.c @@ -91,7 +91,7 @@ xfs_inode_alloc( ip->i_new_size = 0; /* prevent anyone from using this yet */ - VFS_I(ip)->i_state = I_NEW|I_LOCK; + VFS_I(ip)->i_state = I_NEW; return ip; } @@ -217,7 +217,7 @@ xfs_iget_cache_hit( trace_xfs_iget_reclaim(ip); goto out_error; } - inode->i_state = I_LOCK|I_NEW; + inode->i_state = I_NEW; } else { /* If the VFS inode is being torn down, pause and try again. */ if (!igrab(inode)) { diff --git a/include/asm-generic/fcntl.h b/include/asm-generic/fcntl.h index 681ddf3e844..fcd268ce067 100644 --- a/include/asm-generic/fcntl.h +++ b/include/asm-generic/fcntl.h @@ -51,7 +51,7 @@ #endif /* - * Before Linux 2.6.32 only O_DSYNC semantics were implemented, but using + * Before Linux 2.6.33 only O_DSYNC semantics were implemented, but using * the O_SYNC flag. We continue to use the existing numerical value * for O_DSYNC semantics now, but using the correct symbolic name for it. * This new value is used to request true Posix O_SYNC semantics. It is diff --git a/include/linux/Kbuild b/include/linux/Kbuild index f72914db2a1..756f831cbdd 100644 --- a/include/linux/Kbuild +++ b/include/linux/Kbuild @@ -118,6 +118,7 @@ header-y += mtio.h header-y += ncp_no.h header-y += neighbour.h header-y += net_dropmon.h +header-y += net_tstamp.h header-y += netfilter_arp.h header-y += netrom.h header-y += nfs2.h diff --git a/include/linux/backlight.h b/include/linux/backlight.h index 0f5f57858a2..8c4f884db6b 100644 --- a/include/linux/backlight.h +++ b/include/linux/backlight.h @@ -36,18 +36,18 @@ struct backlight_device; struct fb_info; struct backlight_ops { - unsigned int options; + const unsigned int options; #define BL_CORE_SUSPENDRESUME (1 << 0) /* Notify the backlight driver some property has changed */ - int (*update_status)(struct backlight_device *); + int (* const update_status)(struct backlight_device *); /* Return the current backlight brightness (accounting for power, fb_blank etc.) */ - int (*get_brightness)(struct backlight_device *); + int (* const get_brightness)(struct backlight_device *); /* Check if given framebuffer device is the one bound to this backlight; return 0 if not, !=0 if it is. If NULL, backlight always matches the fb. */ - int (*check_fb)(struct fb_info *); + int (* const check_fb)(struct fb_info *); }; /* This structure defines all the properties of a backlight */ @@ -86,7 +86,7 @@ struct backlight_device { registered this device has been unloaded, and if class_get_devdata() points to something in the body of that driver, it is also invalid. */ struct mutex ops_lock; - struct backlight_ops *ops; + const struct backlight_ops *ops; /* The framebuffer notifier block */ struct notifier_block fb_notif; @@ -103,7 +103,7 @@ static inline void backlight_update_status(struct backlight_device *bd) } extern struct backlight_device *backlight_device_register(const char *name, - struct device *dev, void *devdata, struct backlight_ops *ops); + struct device *dev, void *devdata, const struct backlight_ops *ops); extern void backlight_device_unregister(struct backlight_device *bd); extern void backlight_force_update(struct backlight_device *bd, enum backlight_update_reason reason); diff --git a/include/linux/binfmts.h b/include/linux/binfmts.h index aece486ac73..cd4349bdc34 100644 --- a/include/linux/binfmts.h +++ b/include/linux/binfmts.h @@ -68,6 +68,14 @@ struct linux_binprm{ #define BINPRM_MAX_RECURSION 4 +/* Function parameter for binfmt->coredump */ +struct coredump_params { + long signr; + struct pt_regs *regs; + struct file *file; + unsigned long limit; +}; + /* * This structure defines the functions that are used to load the binary formats that * linux accepts. @@ -77,7 +85,7 @@ struct linux_binfmt { struct module *module; int (*load_binary)(struct linux_binprm *, struct pt_regs * regs); int (*load_shlib)(struct file *); - int (*core_dump)(long signr, struct pt_regs *regs, struct file *file, unsigned long limit); + int (*core_dump)(struct coredump_params *cprm); unsigned long min_coredump; /* minimal dump size */ int hasvdso; }; diff --git a/include/linux/decompress/mm.h b/include/linux/decompress/mm.h index 12ff8c3f1d0..5032b9a31ae 100644 --- a/include/linux/decompress/mm.h +++ b/include/linux/decompress/mm.h @@ -25,7 +25,7 @@ static void *malloc(int size) void *p; if (size < 0) - error("Malloc error"); + return NULL; if (!malloc_ptr) malloc_ptr = free_mem_ptr; @@ -35,7 +35,7 @@ static void *malloc(int size) malloc_ptr += size; if (free_mem_end_ptr && malloc_ptr >= free_mem_end_ptr) - error("Out of memory"); + return NULL; malloc_count++; return p; diff --git a/include/linux/elf.h b/include/linux/elf.h index 90a4ed0ea0e..0cc4d55151b 100644 --- a/include/linux/elf.h +++ b/include/linux/elf.h @@ -361,7 +361,7 @@ typedef struct elf64_shdr { #define NT_PPC_VSX 0x102 /* PowerPC VSX registers */ #define NT_386_TLS 0x200 /* i386 TLS slots (struct user_desc) */ #define NT_386_IOPERM 0x201 /* x86 io permission bitmap (1=deny) */ -#define NT_PRXSTATUS 0x300 /* s390 upper register halves */ +#define NT_S390_HIGH_GPRS 0x300 /* s390 upper register halves */ /* Note header in a PT_NOTE section */ diff --git a/include/linux/enclosure.h b/include/linux/enclosure.h index 90d1c218411..9a33c5f7e12 100644 --- a/include/linux/enclosure.h +++ b/include/linux/enclosure.h @@ -42,6 +42,8 @@ enum enclosure_status { ENCLOSURE_STATUS_NOT_INSTALLED, ENCLOSURE_STATUS_UNKNOWN, ENCLOSURE_STATUS_UNAVAILABLE, + /* last element for counting purposes */ + ENCLOSURE_STATUS_MAX }; /* SFF-8485 activity light settings */ diff --git a/include/linux/fs.h b/include/linux/fs.h index 66bc0a54b28..cca191933ff 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -1095,10 +1095,6 @@ struct file_lock { extern void send_sigio(struct fown_struct *fown, int fd, int band); -/* fs/sync.c */ -extern int do_sync_mapping_range(struct address_space *mapping, loff_t offset, - loff_t endbyte, unsigned int flags); - #ifdef CONFIG_FILE_LOCKING extern int fcntl_getlk(struct file *, struct flock __user *); extern int fcntl_setlk(unsigned int, struct file *, unsigned int, @@ -1591,7 +1587,7 @@ struct super_operations { * until that flag is cleared. I_WILL_FREE, I_FREEING and I_CLEAR are set at * various stages of removing an inode. * - * Two bits are used for locking and completion notification, I_LOCK and I_SYNC. + * Two bits are used for locking and completion notification, I_NEW and I_SYNC. * * I_DIRTY_SYNC Inode is dirty, but doesn't have to be written on * fdatasync(). i_atime is the usual cause. @@ -1600,8 +1596,14 @@ struct super_operations { * don't have to write inode on fdatasync() when only * mtime has changed in it. * I_DIRTY_PAGES Inode has dirty pages. Inode itself may be clean. - * I_NEW get_new_inode() sets i_state to I_LOCK|I_NEW. Both - * are cleared by unlock_new_inode(), called from iget(). + * I_NEW Serves as both a mutex and completion notification. + * New inodes set I_NEW. If two processes both create + * the same inode, one of them will release its inode and + * wait for I_NEW to be released before returning. + * Inodes in I_WILL_FREE, I_FREEING or I_CLEAR state can + * also cause waiting on I_NEW, without I_NEW actually + * being set. find_inode() uses this to prevent returning + * nearly-dead inodes. * I_WILL_FREE Must be set when calling write_inode_now() if i_count * is zero. I_FREEING must be set when I_WILL_FREE is * cleared. @@ -1615,20 +1617,11 @@ struct super_operations { * prohibited for many purposes. iget() must wait for * the inode to be completely released, then create it * anew. Other functions will just ignore such inodes, - * if appropriate. I_LOCK is used for waiting. + * if appropriate. I_NEW is used for waiting. * - * I_LOCK Serves as both a mutex and completion notification. - * New inodes set I_LOCK. If two processes both create - * the same inode, one of them will release its inode and - * wait for I_LOCK to be released before returning. - * Inodes in I_WILL_FREE, I_FREEING or I_CLEAR state can - * also cause waiting on I_LOCK, without I_LOCK actually - * being set. find_inode() uses this to prevent returning - * nearly-dead inodes. - * I_SYNC Similar to I_LOCK, but limited in scope to writeback - * of inode dirty data. Having a separate lock for this - * purpose reduces latency and prevents some filesystem- - * specific deadlocks. + * I_SYNC Synchonized write of dirty inode data. The bits is + * set during data writeback, and cleared with a wakeup + * on the bit address once it is done. * * Q: What is the difference between I_WILL_FREE and I_FREEING? * Q: igrab() only checks on (I_FREEING|I_WILL_FREE). Should it also check on @@ -1637,13 +1630,12 @@ struct super_operations { #define I_DIRTY_SYNC 1 #define I_DIRTY_DATASYNC 2 #define I_DIRTY_PAGES 4 -#define I_NEW 8 +#define __I_NEW 3 +#define I_NEW (1 << __I_NEW) #define I_WILL_FREE 16 #define I_FREEING 32 #define I_CLEAR 64 -#define __I_LOCK 7 -#define I_LOCK (1 << __I_LOCK) -#define __I_SYNC 8 +#define __I_SYNC 7 #define I_SYNC (1 << __I_SYNC) #define I_DIRTY (I_DIRTY_SYNC | I_DIRTY_DATASYNC | I_DIRTY_PAGES) diff --git a/include/linux/fs_stack.h b/include/linux/fs_stack.h index bb516ceeefc..da317c7163a 100644 --- a/include/linux/fs_stack.h +++ b/include/linux/fs_stack.h @@ -8,10 +8,8 @@ #include <linux/fs.h> /* externs for fs/stack.c */ -extern void fsstack_copy_attr_all(struct inode *dest, const struct inode *src, - int (*get_nlinks)(struct inode *)); - -extern void fsstack_copy_inode_size(struct inode *dst, const struct inode *src); +extern void fsstack_copy_attr_all(struct inode *dest, const struct inode *src); +extern void fsstack_copy_inode_size(struct inode *dst, struct inode *src); /* inlines */ static inline void fsstack_copy_attr_atime(struct inode *dest, diff --git a/include/linux/init_task.h b/include/linux/init_task.h index 5ed8b9c5035..abec69b63d7 100644 --- a/include/linux/init_task.h +++ b/include/linux/init_task.h @@ -111,12 +111,6 @@ extern struct cred init_cred; # define INIT_PERF_EVENTS(tsk) #endif -#ifdef CONFIG_FS_JOURNAL_INFO -#define INIT_JOURNAL_INFO .journal_info = NULL, -#else -#define INIT_JOURNAL_INFO -#endif - /* * INIT_TASK is used to set up the first task table, touch at * your own risk!. Base=0, limit=0x1fffff (=2MB) @@ -168,6 +162,7 @@ extern struct cred init_cred; .signal = {{0}}}, \ .blocked = {{0}}, \ .alloc_lock = __SPIN_LOCK_UNLOCKED(tsk.alloc_lock), \ + .journal_info = NULL, \ .cpu_timers = INIT_CPU_TIMERS(tsk.cpu_timers), \ .fs_excl = ATOMIC_INIT(0), \ .pi_lock = __RAW_SPIN_LOCK_UNLOCKED(tsk.pi_lock), \ @@ -178,7 +173,6 @@ extern struct cred init_cred; [PIDTYPE_SID] = INIT_PID_LINK(PIDTYPE_SID), \ }, \ .dirties = INIT_PROP_LOCAL_SINGLE(dirties), \ - INIT_JOURNAL_INFO \ INIT_IDS \ INIT_PERF_EVENTS(tsk) \ INIT_TRACE_IRQFLAGS \ diff --git a/include/linux/kmemleak.h b/include/linux/kmemleak.h index 3c7497d46ee..99d9a6766f7 100644 --- a/include/linux/kmemleak.h +++ b/include/linux/kmemleak.h @@ -32,8 +32,7 @@ extern void kmemleak_padding(const void *ptr, unsigned long offset, size_t size) __ref; extern void kmemleak_not_leak(const void *ptr) __ref; extern void kmemleak_ignore(const void *ptr) __ref; -extern void kmemleak_scan_area(const void *ptr, unsigned long offset, - size_t length, gfp_t gfp) __ref; +extern void kmemleak_scan_area(const void *ptr, size_t size, gfp_t gfp) __ref; extern void kmemleak_no_scan(const void *ptr) __ref; static inline void kmemleak_alloc_recursive(const void *ptr, size_t size, @@ -84,8 +83,7 @@ static inline void kmemleak_not_leak(const void *ptr) static inline void kmemleak_ignore(const void *ptr) { } -static inline void kmemleak_scan_area(const void *ptr, unsigned long offset, - size_t length, gfp_t gfp) +static inline void kmemleak_scan_area(const void *ptr, size_t size, gfp_t gfp) { } static inline void kmemleak_erase(void **ptr) diff --git a/include/linux/leds-lp3944.h b/include/linux/leds-lp3944.h index afc9f9fd70f..2618aa9063b 100644 --- a/include/linux/leds-lp3944.h +++ b/include/linux/leds-lp3944.h @@ -12,9 +12,6 @@ #ifndef __LINUX_LEDS_LP3944_H #define __LINUX_LEDS_LP3944_H -#include <linux/leds.h> -#include <linux/workqueue.h> - #define LP3944_LED0 0 #define LP3944_LED1 1 #define LP3944_LED2 2 diff --git a/include/linux/leds-pca9532.h b/include/linux/leds-pca9532.h index 96eea90f01a..f158eb1149a 100644 --- a/include/linux/leds-pca9532.h +++ b/include/linux/leds-pca9532.h @@ -32,7 +32,7 @@ struct pca9532_led { struct i2c_client *client; char *name; struct led_classdev ldev; - struct work_struct work; + struct work_struct work; enum pca9532_type type; enum pca9532_state state; }; diff --git a/include/linux/leds-regulator.h b/include/linux/leds-regulator.h new file mode 100644 index 00000000000..5a8eb389aab --- /dev/null +++ b/include/linux/leds-regulator.h @@ -0,0 +1,46 @@ +/* + * leds-regulator.h - platform data structure for regulator driven LEDs. + * + * Copyright (C) 2009 Antonio Ospite <ospite@studenti.unina.it> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + */ + +#ifndef __LINUX_LEDS_REGULATOR_H +#define __LINUX_LEDS_REGULATOR_H + +/* + * Use "vled" as supply id when declaring the regulator consumer: + * + * static struct regulator_consumer_supply pcap_regulator_VVIB_consumers [] = { + * { .dev_name = "leds-regulator.0", supply = "vled" }, + * }; + * + * If you have several regulator driven LEDs, you can append a numerical id to + * .dev_name as done above, and use the same id when declaring the platform + * device: + * + * static struct led_regulator_platform_data a780_vibrator_data = { + * .name = "a780::vibrator", + * }; + * + * static struct platform_device a780_vibrator = { + * .name = "leds-regulator", + * .id = 0, + * .dev = { + * .platform_data = &a780_vibrator_data, + * }, + * }; + */ + +#include <linux/leds.h> + +struct led_regulator_platform_data { + char *name; /* LED name as expected by LED class */ + enum led_brightness brightness; /* initial brightness value */ +}; + +#endif /* __LINUX_LEDS_REGULATOR_H */ diff --git a/include/linux/mfd/wm831x/pdata.h b/include/linux/mfd/wm831x/pdata.h index 415c228743d..fd322aca33b 100644 --- a/include/linux/mfd/wm831x/pdata.h +++ b/include/linux/mfd/wm831x/pdata.h @@ -41,6 +41,23 @@ struct wm831x_battery_pdata { int timeout; /** Charge cycle timeout, in minutes */ }; +/** + * Configuration for the WM831x DC-DC BuckWise convertors. This + * should be passed as driver_data in the regulator_init_data. + * + * Currently all the configuration is for the fast DVS switching + * support of the devices. This allows MFPs on the device to be + * configured as an input to switch between two output voltages, + * allowing voltage transitions without the expense of an access over + * I2C or SPI buses. + */ +struct wm831x_buckv_pdata { + int dvs_gpio; /** CPU GPIO to use for DVS switching */ + int dvs_control_src; /** Hardware DVS source to use (1 or 2) */ + int dvs_init_state; /** DVS state to expect on startup */ + int dvs_state_gpio; /** CPU GPIO to use for monitoring status */ +}; + /* Sources for status LED configuration. Values are register values * plus 1 to allow for a zero default for preserve. */ diff --git a/include/linux/mm.h b/include/linux/mm.h index 849b4a61bd8..2265f28eb47 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -1037,6 +1037,9 @@ extern void add_active_range(unsigned int nid, unsigned long start_pfn, extern void remove_active_range(unsigned int nid, unsigned long start_pfn, unsigned long end_pfn); extern void remove_all_active_ranges(void); +void sort_node_map(void); +unsigned long __absent_pages_in_range(int nid, unsigned long start_pfn, + unsigned long end_pfn); extern unsigned long absent_pages_in_range(unsigned long start_pfn, unsigned long end_pfn); extern void get_pfn_range_for_nid(unsigned int nid, diff --git a/include/linux/mmdebug.h b/include/linux/mmdebug.h index 8a550987719..ee24ef8ab61 100644 --- a/include/linux/mmdebug.h +++ b/include/linux/mmdebug.h @@ -1,8 +1,6 @@ #ifndef LINUX_MM_DEBUG_H #define LINUX_MM_DEBUG_H 1 -#include <linux/autoconf.h> - #ifdef CONFIG_DEBUG_VM #define VM_BUG_ON(cond) BUG_ON(cond) #else diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h index 6f7561730d8..30fe668c254 100644 --- a/include/linux/mmzone.h +++ b/include/linux/mmzone.h @@ -15,7 +15,7 @@ #include <linux/seqlock.h> #include <linux/nodemask.h> #include <linux/pageblock-flags.h> -#include <linux/bounds.h> +#include <generated/bounds.h> #include <asm/atomic.h> #include <asm/page.h> diff --git a/include/linux/mnt_namespace.h b/include/linux/mnt_namespace.h index d9ebf1037df..d74785c2393 100644 --- a/include/linux/mnt_namespace.h +++ b/include/linux/mnt_namespace.h @@ -23,6 +23,7 @@ struct proc_mounts { struct fs_struct; +extern struct mnt_namespace *create_mnt_ns(struct vfsmount *mnt); extern struct mnt_namespace *copy_mnt_ns(unsigned long, struct mnt_namespace *, struct fs_struct *); extern void put_mnt_ns(struct mnt_namespace *ns); diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h index feee2ba8d06..5b59f35dcb8 100644 --- a/include/linux/page-flags.h +++ b/include/linux/page-flags.h @@ -8,7 +8,7 @@ #include <linux/types.h> #ifndef __GENERATING_BOUNDS_H #include <linux/mm_types.h> -#include <linux/bounds.h> +#include <generated/bounds.h> #endif /* !__GENERATING_BOUNDS_H */ /* diff --git a/include/linux/perf_counter.h b/include/linux/perf_counter.h deleted file mode 100644 index e3fb2560670..00000000000 --- a/include/linux/perf_counter.h +++ /dev/null @@ -1,444 +0,0 @@ -/* - * NOTE: this file will be removed in a future kernel release, it is - * provided as a courtesy copy of user-space code that relies on the - * old (pre-rename) symbols and constants. - * - * Performance events: - * - * Copyright (C) 2008-2009, Thomas Gleixner <tglx@linutronix.de> - * Copyright (C) 2008-2009, Red Hat, Inc., Ingo Molnar - * Copyright (C) 2008-2009, Red Hat, Inc., Peter Zijlstra - * - * Data type definitions, declarations, prototypes. - * - * Started by: Thomas Gleixner and Ingo Molnar - * - * For licencing details see kernel-base/COPYING - */ -#ifndef _LINUX_PERF_COUNTER_H -#define _LINUX_PERF_COUNTER_H - -#include <linux/types.h> -#include <linux/ioctl.h> -#include <asm/byteorder.h> - -/* - * User-space ABI bits: - */ - -/* - * attr.type - */ -enum perf_type_id { - PERF_TYPE_HARDWARE = 0, - PERF_TYPE_SOFTWARE = 1, - PERF_TYPE_TRACEPOINT = 2, - PERF_TYPE_HW_CACHE = 3, - PERF_TYPE_RAW = 4, - - PERF_TYPE_MAX, /* non-ABI */ -}; - -/* - * Generalized performance counter event types, used by the - * attr.event_id parameter of the sys_perf_counter_open() - * syscall: - */ -enum perf_hw_id { - /* - * Common hardware events, generalized by the kernel: - */ - PERF_COUNT_HW_CPU_CYCLES = 0, - PERF_COUNT_HW_INSTRUCTIONS = 1, - PERF_COUNT_HW_CACHE_REFERENCES = 2, - PERF_COUNT_HW_CACHE_MISSES = 3, - PERF_COUNT_HW_BRANCH_INSTRUCTIONS = 4, - PERF_COUNT_HW_BRANCH_MISSES = 5, - PERF_COUNT_HW_BUS_CYCLES = 6, - - PERF_COUNT_HW_MAX, /* non-ABI */ -}; - -/* - * Generalized hardware cache counters: - * - * { L1-D, L1-I, LLC, ITLB, DTLB, BPU } x - * { read, write, prefetch } x - * { accesses, misses } - */ -enum perf_hw_cache_id { - PERF_COUNT_HW_CACHE_L1D = 0, - PERF_COUNT_HW_CACHE_L1I = 1, - PERF_COUNT_HW_CACHE_LL = 2, - PERF_COUNT_HW_CACHE_DTLB = 3, - PERF_COUNT_HW_CACHE_ITLB = 4, - PERF_COUNT_HW_CACHE_BPU = 5, - - PERF_COUNT_HW_CACHE_MAX, /* non-ABI */ -}; - -enum perf_hw_cache_op_id { - PERF_COUNT_HW_CACHE_OP_READ = 0, - PERF_COUNT_HW_CACHE_OP_WRITE = 1, - PERF_COUNT_HW_CACHE_OP_PREFETCH = 2, - - PERF_COUNT_HW_CACHE_OP_MAX, /* non-ABI */ -}; - -enum perf_hw_cache_op_result_id { - PERF_COUNT_HW_CACHE_RESULT_ACCESS = 0, - PERF_COUNT_HW_CACHE_RESULT_MISS = 1, - - PERF_COUNT_HW_CACHE_RESULT_MAX, /* non-ABI */ -}; - -/* - * Special "software" counters provided by the kernel, even if the hardware - * does not support performance counters. These counters measure various - * physical and sw events of the kernel (and allow the profiling of them as - * well): - */ -enum perf_sw_ids { - PERF_COUNT_SW_CPU_CLOCK = 0, - PERF_COUNT_SW_TASK_CLOCK = 1, - PERF_COUNT_SW_PAGE_FAULTS = 2, - PERF_COUNT_SW_CONTEXT_SWITCHES = 3, - PERF_COUNT_SW_CPU_MIGRATIONS = 4, - PERF_COUNT_SW_PAGE_FAULTS_MIN = 5, - PERF_COUNT_SW_PAGE_FAULTS_MAJ = 6, - PERF_COUNT_SW_ALIGNMENT_FAULTS = 7, - PERF_COUNT_SW_EMULATION_FAULTS = 8, - - PERF_COUNT_SW_MAX, /* non-ABI */ -}; - -/* - * Bits that can be set in attr.sample_type to request information - * in the overflow packets. - */ -enum perf_counter_sample_format { - PERF_SAMPLE_IP = 1U << 0, - PERF_SAMPLE_TID = 1U << 1, - PERF_SAMPLE_TIME = 1U << 2, - PERF_SAMPLE_ADDR = 1U << 3, - PERF_SAMPLE_READ = 1U << 4, - PERF_SAMPLE_CALLCHAIN = 1U << 5, - PERF_SAMPLE_ID = 1U << 6, - PERF_SAMPLE_CPU = 1U << 7, - PERF_SAMPLE_PERIOD = 1U << 8, - PERF_SAMPLE_STREAM_ID = 1U << 9, - PERF_SAMPLE_RAW = 1U << 10, - - PERF_SAMPLE_MAX = 1U << 11, /* non-ABI */ -}; - -/* - * The format of the data returned by read() on a perf counter fd, - * as specified by attr.read_format: - * - * struct read_format { - * { u64 value; - * { u64 time_enabled; } && PERF_FORMAT_ENABLED - * { u64 time_running; } && PERF_FORMAT_RUNNING - * { u64 id; } && PERF_FORMAT_ID - * } && !PERF_FORMAT_GROUP - * - * { u64 nr; - * { u64 time_enabled; } && PERF_FORMAT_ENABLED - * { u64 time_running; } && PERF_FORMAT_RUNNING - * { u64 value; - * { u64 id; } && PERF_FORMAT_ID - * } cntr[nr]; - * } && PERF_FORMAT_GROUP - * }; - */ -enum perf_counter_read_format { - PERF_FORMAT_TOTAL_TIME_ENABLED = 1U << 0, - PERF_FORMAT_TOTAL_TIME_RUNNING = 1U << 1, - PERF_FORMAT_ID = 1U << 2, - PERF_FORMAT_GROUP = 1U << 3, - - PERF_FORMAT_MAX = 1U << 4, /* non-ABI */ -}; - -#define PERF_ATTR_SIZE_VER0 64 /* sizeof first published struct */ - -/* - * Hardware event to monitor via a performance monitoring counter: - */ -struct perf_counter_attr { - - /* - * Major type: hardware/software/tracepoint/etc. - */ - __u32 type; - - /* - * Size of the attr structure, for fwd/bwd compat. - */ - __u32 size; - - /* - * Type specific configuration information. - */ - __u64 config; - - union { - __u64 sample_period; - __u64 sample_freq; - }; - - __u64 sample_type; - __u64 read_format; - - __u64 disabled : 1, /* off by default */ - inherit : 1, /* children inherit it */ - pinned : 1, /* must always be on PMU */ - exclusive : 1, /* only group on PMU */ - exclude_user : 1, /* don't count user */ - exclude_kernel : 1, /* ditto kernel */ - exclude_hv : 1, /* ditto hypervisor */ - exclude_idle : 1, /* don't count when idle */ - mmap : 1, /* include mmap data */ - comm : 1, /* include comm data */ - freq : 1, /* use freq, not period */ - inherit_stat : 1, /* per task counts */ - enable_on_exec : 1, /* next exec enables */ - task : 1, /* trace fork/exit */ - watermark : 1, /* wakeup_watermark */ - - __reserved_1 : 49; - - union { - __u32 wakeup_events; /* wakeup every n events */ - __u32 wakeup_watermark; /* bytes before wakeup */ - }; - __u32 __reserved_2; - - __u64 __reserved_3; -}; - -/* - * Ioctls that can be done on a perf counter fd: - */ -#define PERF_COUNTER_IOC_ENABLE _IO ('$', 0) -#define PERF_COUNTER_IOC_DISABLE _IO ('$', 1) -#define PERF_COUNTER_IOC_REFRESH _IO ('$', 2) -#define PERF_COUNTER_IOC_RESET _IO ('$', 3) -#define PERF_COUNTER_IOC_PERIOD _IOW('$', 4, u64) -#define PERF_COUNTER_IOC_SET_OUTPUT _IO ('$', 5) -#define PERF_COUNTER_IOC_SET_FILTER _IOW('$', 6, char *) - -enum perf_counter_ioc_flags { - PERF_IOC_FLAG_GROUP = 1U << 0, -}; - -/* - * Structure of the page that can be mapped via mmap - */ -struct perf_counter_mmap_page { - __u32 version; /* version number of this structure */ - __u32 compat_version; /* lowest version this is compat with */ - - /* - * Bits needed to read the hw counters in user-space. - * - * u32 seq; - * s64 count; - * - * do { - * seq = pc->lock; - * - * barrier() - * if (pc->index) { - * count = pmc_read(pc->index - 1); - * count += pc->offset; - * } else - * goto regular_read; - * - * barrier(); - * } while (pc->lock != seq); - * - * NOTE: for obvious reason this only works on self-monitoring - * processes. - */ - __u32 lock; /* seqlock for synchronization */ - __u32 index; /* hardware counter identifier */ - __s64 offset; /* add to hardware counter value */ - __u64 time_enabled; /* time counter active */ - __u64 time_running; /* time counter on cpu */ - - /* - * Hole for extension of the self monitor capabilities - */ - - __u64 __reserved[123]; /* align to 1k */ - - /* - * Control data for the mmap() data buffer. - * - * User-space reading the @data_head value should issue an rmb(), on - * SMP capable platforms, after reading this value -- see - * perf_counter_wakeup(). - * - * When the mapping is PROT_WRITE the @data_tail value should be - * written by userspace to reflect the last read data. In this case - * the kernel will not over-write unread data. - */ - __u64 data_head; /* head in the data section */ - __u64 data_tail; /* user-space written tail */ -}; - -#define PERF_EVENT_MISC_CPUMODE_MASK (3 << 0) -#define PERF_EVENT_MISC_CPUMODE_UNKNOWN (0 << 0) -#define PERF_EVENT_MISC_KERNEL (1 << 0) -#define PERF_EVENT_MISC_USER (2 << 0) -#define PERF_EVENT_MISC_HYPERVISOR (3 << 0) - -struct perf_event_header { - __u32 type; - __u16 misc; - __u16 size; -}; - -enum perf_event_type { - - /* - * The MMAP events record the PROT_EXEC mappings so that we can - * correlate userspace IPs to code. They have the following structure: - * - * struct { - * struct perf_event_header header; - * - * u32 pid, tid; - * u64 addr; - * u64 len; - * u64 pgoff; - * char filename[]; - * }; - */ - PERF_EVENT_MMAP = 1, - - /* - * struct { - * struct perf_event_header header; - * u64 id; - * u64 lost; - * }; - */ - PERF_EVENT_LOST = 2, - - /* - * struct { - * struct perf_event_header header; - * - * u32 pid, tid; - * char comm[]; - * }; - */ - PERF_EVENT_COMM = 3, - - /* - * struct { - * struct perf_event_header header; - * u32 pid, ppid; - * u32 tid, ptid; - * u64 time; - * }; - */ - PERF_EVENT_EXIT = 4, - - /* - * struct { - * struct perf_event_header header; - * u64 time; - * u64 id; - * u64 stream_id; - * }; - */ - PERF_EVENT_THROTTLE = 5, - PERF_EVENT_UNTHROTTLE = 6, - - /* - * struct { - * struct perf_event_header header; - * u32 pid, ppid; - * u32 tid, ptid; - * u64 time; - * }; - */ - PERF_EVENT_FORK = 7, - - /* - * struct { - * struct perf_event_header header; - * u32 pid, tid; - * - * struct read_format values; - * }; - */ - PERF_EVENT_READ = 8, - - /* - * struct { - * struct perf_event_header header; - * - * { u64 ip; } && PERF_SAMPLE_IP - * { u32 pid, tid; } && PERF_SAMPLE_TID - * { u64 time; } && PERF_SAMPLE_TIME - * { u64 addr; } && PERF_SAMPLE_ADDR - * { u64 id; } && PERF_SAMPLE_ID - * { u64 stream_id;} && PERF_SAMPLE_STREAM_ID - * { u32 cpu, res; } && PERF_SAMPLE_CPU - * { u64 period; } && PERF_SAMPLE_PERIOD - * - * { struct read_format values; } && PERF_SAMPLE_READ - * - * { u64 nr, - * u64 ips[nr]; } && PERF_SAMPLE_CALLCHAIN - * - * # - * # The RAW record below is opaque data wrt the ABI - * # - * # That is, the ABI doesn't make any promises wrt to - * # the stability of its content, it may vary depending - * # on event, hardware, kernel version and phase of - * # the moon. - * # - * # In other words, PERF_SAMPLE_RAW contents are not an ABI. - * # - * - * { u32 size; - * char data[size];}&& PERF_SAMPLE_RAW - * }; - */ - PERF_EVENT_SAMPLE = 9, - - PERF_EVENT_MAX, /* non-ABI */ -}; - -enum perf_callchain_context { - PERF_CONTEXT_HV = (__u64)-32, - PERF_CONTEXT_KERNEL = (__u64)-128, - PERF_CONTEXT_USER = (__u64)-512, - - PERF_CONTEXT_GUEST = (__u64)-2048, - PERF_CONTEXT_GUEST_KERNEL = (__u64)-2176, - PERF_CONTEXT_GUEST_USER = (__u64)-2560, - - PERF_CONTEXT_MAX = (__u64)-4095, -}; - -#define PERF_FLAG_FD_NO_GROUP (1U << 0) -#define PERF_FLAG_FD_OUTPUT (1U << 1) - -/* - * In case some app still references the old symbols: - */ - -#define __NR_perf_counter_open __NR_perf_event_open - -#define PR_TASK_PERF_COUNTERS_DISABLE PR_TASK_PERF_EVENTS_DISABLE -#define PR_TASK_PERF_COUNTERS_ENABLE PR_TASK_PERF_EVENTS_ENABLE - -#endif /* _LINUX_PERF_COUNTER_H */ diff --git a/include/linux/pwm_backlight.h b/include/linux/pwm_backlight.h index 7a9754c9677..01b3d759f1f 100644 --- a/include/linux/pwm_backlight.h +++ b/include/linux/pwm_backlight.h @@ -10,7 +10,7 @@ struct platform_pwm_backlight_data { unsigned int dft_brightness; unsigned int pwm_period_ns; int (*init)(struct device *dev); - int (*notify)(int brightness); + int (*notify)(struct device *dev, int brightness); void (*exit)(struct device *dev); }; diff --git a/include/linux/rcutiny.h b/include/linux/rcutiny.h index c4ba9a78721..96cc307ed9f 100644 --- a/include/linux/rcutiny.h +++ b/include/linux/rcutiny.h @@ -101,4 +101,9 @@ static inline void exit_rcu(void) { } +static inline int rcu_preempt_depth(void) +{ + return 0; +} + #endif /* __LINUX_RCUTINY_H */ diff --git a/include/linux/rcutree.h b/include/linux/rcutree.h index c93eee5911b..8044b1b9433 100644 --- a/include/linux/rcutree.h +++ b/include/linux/rcutree.h @@ -45,6 +45,12 @@ extern void __rcu_read_unlock(void); extern void synchronize_rcu(void); extern void exit_rcu(void); +/* + * Defined as macro as it is a very low level header + * included from areas that don't even know about current + */ +#define rcu_preempt_depth() (current->rcu_read_lock_nesting) + #else /* #ifdef CONFIG_TREE_PREEMPT_RCU */ static inline void __rcu_read_lock(void) @@ -63,6 +69,11 @@ static inline void exit_rcu(void) { } +static inline int rcu_preempt_depth(void) +{ + return 0; +} + #endif /* #else #ifdef CONFIG_TREE_PREEMPT_RCU */ static inline void __rcu_read_lock_bh(void) diff --git a/include/linux/regulator/consumer.h b/include/linux/regulator/consumer.h index 490c5b37b6d..030d92255c7 100644 --- a/include/linux/regulator/consumer.h +++ b/include/linux/regulator/consumer.h @@ -35,6 +35,8 @@ #ifndef __LINUX_REGULATOR_CONSUMER_H_ #define __LINUX_REGULATOR_CONSUMER_H_ +#include <linux/device.h> + /* * Regulator operating modes. * diff --git a/include/linux/regulator/machine.h b/include/linux/regulator/machine.h index 87f5f176d4e..234a8476cba 100644 --- a/include/linux/regulator/machine.h +++ b/include/linux/regulator/machine.h @@ -43,16 +43,20 @@ struct regulator; /** * struct regulator_state - regulator state during low power system states * - * This describes a regulators state during a system wide low power state. + * This describes a regulators state during a system wide low power + * state. One of enabled or disabled must be set for the + * configuration to be applied. * * @uV: Operating voltage during suspend. * @mode: Operating mode during suspend. * @enabled: Enabled during suspend. + * @disabled: Disabled during suspend. */ struct regulator_state { int uV; /* suspend voltage */ unsigned int mode; /* suspend regulator operating mode */ int enabled; /* is regulator enabled in this suspend state */ + int disabled; /* is the regulator disbled in this suspend state */ }; /** diff --git a/include/linux/regulator/max8660.h b/include/linux/regulator/max8660.h new file mode 100644 index 00000000000..9936763621c --- /dev/null +++ b/include/linux/regulator/max8660.h @@ -0,0 +1,57 @@ +/* + * max8660.h -- Voltage regulation for the Maxim 8660/8661 + * + * Copyright (C) 2009 Wolfram Sang, Pengutronix e.K. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#ifndef __LINUX_REGULATOR_MAX8660_H +#define __LINUX_REGULATOR_MAX8660_H + +#include <linux/regulator/machine.h> + +enum { + MAX8660_V3, + MAX8660_V4, + MAX8660_V5, + MAX8660_V6, + MAX8660_V7, + MAX8660_V_END, +}; + +/** + * max8660_subdev_data - regulator subdev data + * @id: regulator id + * @name: regulator name + * @platform_data: regulator init data + */ +struct max8660_subdev_data { + int id; + char *name; + struct regulator_init_data *platform_data; +}; + +/** + * max8660_platform_data - platform data for max8660 + * @num_subdevs: number of regulators used + * @subdevs: pointer to regulators used + * @en34_is_high: if EN34 is driven high, regulators cannot be en-/disabled. + */ +struct max8660_platform_data { + int num_subdevs; + struct max8660_subdev_data *subdevs; + unsigned en34_is_high:1; +}; +#endif diff --git a/include/linux/sched.h b/include/linux/sched.h index 244c287a5ac..f2f842db03c 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -192,6 +192,12 @@ print_cfs_rq(struct seq_file *m, int cpu, struct cfs_rq *cfs_rq) #define TASK_DEAD 64 #define TASK_WAKEKILL 128 #define TASK_WAKING 256 +#define TASK_STATE_MAX 512 + +#define TASK_STATE_TO_CHAR_STR "RSDTtZXxKW" + +extern char ___assert_task_state[1 - 2*!!( + sizeof(TASK_STATE_TO_CHAR_STR)-1 != ilog2(TASK_STATE_MAX)+1)]; /* Convenience macros for the sake of set_task_state */ #define TASK_KILLABLE (TASK_WAKEKILL | TASK_UNINTERRUPTIBLE) @@ -1091,7 +1097,8 @@ struct sched_class { enum cpu_idle_type idle); void (*pre_schedule) (struct rq *this_rq, struct task_struct *task); void (*post_schedule) (struct rq *this_rq); - void (*task_wake_up) (struct rq *this_rq, struct task_struct *task); + void (*task_waking) (struct rq *this_rq, struct task_struct *task); + void (*task_woken) (struct rq *this_rq, struct task_struct *task); void (*set_cpus_allowed)(struct task_struct *p, const struct cpumask *newmask); @@ -1115,7 +1122,7 @@ struct sched_class { struct task_struct *task); #ifdef CONFIG_FAIR_GROUP_SCHED - void (*moved_group) (struct task_struct *p); + void (*moved_group) (struct task_struct *p, int on_rq); #endif }; @@ -1446,10 +1453,8 @@ struct task_struct { gfp_t lockdep_reclaim_gfp; #endif -#ifdef CONFIG_FS_JOURNAL_INFO /* journalling filesystem info */ void *journal_info; -#endif /* stacked block device info */ struct bio *bio_list, **bio_tail; @@ -1555,7 +1560,7 @@ struct task_struct { }; /* Future-safe accessor for struct task_struct's cpus_allowed. */ -#define tsk_cpumask(tsk) (&(tsk)->cpus_allowed) +#define tsk_cpus_allowed(tsk) (&(tsk)->cpus_allowed) /* * Priority of a process goes from 0..MAX_PRIO-1, valid RT @@ -2596,8 +2601,6 @@ static inline void mm_init_owner(struct mm_struct *mm, struct task_struct *p) } #endif /* CONFIG_MM_OWNER */ -#define TASK_STATE_TO_CHAR_STR "RSDTtZX" - #endif /* __KERNEL__ */ #endif diff --git a/include/linux/security.h b/include/linux/security.h index 466cbadbd1e..2c627d361c0 100644 --- a/include/linux/security.h +++ b/include/linux/security.h @@ -95,8 +95,13 @@ struct seq_file; extern int cap_netlink_send(struct sock *sk, struct sk_buff *skb); extern int cap_netlink_recv(struct sk_buff *skb, int cap); +#ifdef CONFIG_MMU extern unsigned long mmap_min_addr; extern unsigned long dac_mmap_min_addr; +#else +#define dac_mmap_min_addr 0UL +#endif + /* * Values used in the task_security_ops calls */ @@ -121,6 +126,7 @@ struct request_sock; #define LSM_UNSAFE_PTRACE 2 #define LSM_UNSAFE_PTRACE_CAP 4 +#ifdef CONFIG_MMU /* * If a hint addr is less than mmap_min_addr change hint to be as * low as possible but still greater than mmap_min_addr @@ -135,6 +141,7 @@ static inline unsigned long round_hint_to_min(unsigned long hint) } extern int mmap_min_addr_handler(struct ctl_table *table, int write, void __user *buffer, size_t *lenp, loff_t *ppos); +#endif #ifdef CONFIG_SECURITY diff --git a/include/linux/spi/dw_spi.h b/include/linux/spi/dw_spi.h new file mode 100644 index 00000000000..51b3e771a9a --- /dev/null +++ b/include/linux/spi/dw_spi.h @@ -0,0 +1,212 @@ +#ifndef DW_SPI_HEADER_H +#define DW_SPI_HEADER_H +#include <linux/io.h> + +/* Bit fields in CTRLR0 */ +#define SPI_DFS_OFFSET 0 + +#define SPI_FRF_OFFSET 4 +#define SPI_FRF_SPI 0x0 +#define SPI_FRF_SSP 0x1 +#define SPI_FRF_MICROWIRE 0x2 +#define SPI_FRF_RESV 0x3 + +#define SPI_MODE_OFFSET 6 +#define SPI_SCPH_OFFSET 6 +#define SPI_SCOL_OFFSET 7 +#define SPI_TMOD_OFFSET 8 +#define SPI_TMOD_TR 0x0 /* xmit & recv */ +#define SPI_TMOD_TO 0x1 /* xmit only */ +#define SPI_TMOD_RO 0x2 /* recv only */ +#define SPI_TMOD_EPROMREAD 0x3 /* eeprom read mode */ + +#define SPI_SLVOE_OFFSET 10 +#define SPI_SRL_OFFSET 11 +#define SPI_CFS_OFFSET 12 + +/* Bit fields in SR, 7 bits */ +#define SR_MASK 0x7f /* cover 7 bits */ +#define SR_BUSY (1 << 0) +#define SR_TF_NOT_FULL (1 << 1) +#define SR_TF_EMPT (1 << 2) +#define SR_RF_NOT_EMPT (1 << 3) +#define SR_RF_FULL (1 << 4) +#define SR_TX_ERR (1 << 5) +#define SR_DCOL (1 << 6) + +/* Bit fields in ISR, IMR, RISR, 7 bits */ +#define SPI_INT_TXEI (1 << 0) +#define SPI_INT_TXOI (1 << 1) +#define SPI_INT_RXUI (1 << 2) +#define SPI_INT_RXOI (1 << 3) +#define SPI_INT_RXFI (1 << 4) +#define SPI_INT_MSTI (1 << 5) + +/* TX RX interrupt level threshhold, max can be 256 */ +#define SPI_INT_THRESHOLD 32 + +enum dw_ssi_type { + SSI_MOTO_SPI = 0, + SSI_TI_SSP, + SSI_NS_MICROWIRE, +}; + +struct dw_spi_reg { + u32 ctrl0; + u32 ctrl1; + u32 ssienr; + u32 mwcr; + u32 ser; + u32 baudr; + u32 txfltr; + u32 rxfltr; + u32 txflr; + u32 rxflr; + u32 sr; + u32 imr; + u32 isr; + u32 risr; + u32 txoicr; + u32 rxoicr; + u32 rxuicr; + u32 msticr; + u32 icr; + u32 dmacr; + u32 dmatdlr; + u32 dmardlr; + u32 idr; + u32 version; + u32 dr; /* Currently oper as 32 bits, + though only low 16 bits matters */ +} __packed; + +struct dw_spi { + struct spi_master *master; + struct spi_device *cur_dev; + struct device *parent_dev; + enum dw_ssi_type type; + + void __iomem *regs; + unsigned long paddr; + u32 iolen; + int irq; + u32 max_freq; /* max bus freq supported */ + + u16 bus_num; + u16 num_cs; /* supported slave numbers */ + + /* Driver message queue */ + struct workqueue_struct *workqueue; + struct work_struct pump_messages; + spinlock_t lock; + struct list_head queue; + int busy; + int run; + + /* Message Transfer pump */ + struct tasklet_struct pump_transfers; + + /* Current message transfer state info */ + struct spi_message *cur_msg; + struct spi_transfer *cur_transfer; + struct chip_data *cur_chip; + struct chip_data *prev_chip; + size_t len; + void *tx; + void *tx_end; + void *rx; + void *rx_end; + int dma_mapped; + dma_addr_t rx_dma; + dma_addr_t tx_dma; + size_t rx_map_len; + size_t tx_map_len; + u8 n_bytes; /* current is a 1/2 bytes op */ + u8 max_bits_per_word; /* maxim is 16b */ + u32 dma_width; + int cs_change; + int (*write)(struct dw_spi *dws); + int (*read)(struct dw_spi *dws); + irqreturn_t (*transfer_handler)(struct dw_spi *dws); + void (*cs_control)(u32 command); + + /* Dma info */ + int dma_inited; + struct dma_chan *txchan; + struct dma_chan *rxchan; + int txdma_done; + int rxdma_done; + u64 tx_param; + u64 rx_param; + struct device *dma_dev; + dma_addr_t dma_addr; + + /* Bus interface info */ + void *priv; +#ifdef CONFIG_DEBUG_FS + struct dentry *debugfs; +#endif +}; + +#define dw_readl(dw, name) \ + __raw_readl(&(((struct dw_spi_reg *)dw->regs)->name)) +#define dw_writel(dw, name, val) \ + __raw_writel((val), &(((struct dw_spi_reg *)dw->regs)->name)) +#define dw_readw(dw, name) \ + __raw_readw(&(((struct dw_spi_reg *)dw->regs)->name)) +#define dw_writew(dw, name, val) \ + __raw_writew((val), &(((struct dw_spi_reg *)dw->regs)->name)) + +static inline void spi_enable_chip(struct dw_spi *dws, int enable) +{ + dw_writel(dws, ssienr, (enable ? 1 : 0)); +} + +static inline void spi_set_clk(struct dw_spi *dws, u16 div) +{ + dw_writel(dws, baudr, div); +} + +static inline void spi_chip_sel(struct dw_spi *dws, u16 cs) +{ + if (cs > dws->num_cs) + return; + dw_writel(dws, ser, 1 << cs); +} + +/* Disable IRQ bits */ +static inline void spi_mask_intr(struct dw_spi *dws, u32 mask) +{ + u32 new_mask; + + new_mask = dw_readl(dws, imr) & ~mask; + dw_writel(dws, imr, new_mask); +} + +/* Enable IRQ bits */ +static inline void spi_umask_intr(struct dw_spi *dws, u32 mask) +{ + u32 new_mask; + + new_mask = dw_readl(dws, imr) | mask; + dw_writel(dws, imr, new_mask); +} + +/* + * Each SPI slave device to work with dw_api controller should + * has such a structure claiming its working mode (PIO/DMA etc), + * which can be save in the "controller_data" member of the + * struct spi_device + */ +struct dw_spi_chip { + u8 poll_mode; /* 0 for contoller polling mode */ + u8 type; /* SPI/SSP/Micrwire */ + u8 enable_dma; + void (*cs_control)(u32 command); +}; + +extern int dw_spi_add_host(struct dw_spi *dws); +extern void dw_spi_remove_host(struct dw_spi *dws); +extern int dw_spi_suspend_host(struct dw_spi *dws); +extern int dw_spi_resume_host(struct dw_spi *dws); +#endif /* DW_SPI_HEADER_H */ diff --git a/include/linux/vermagic.h b/include/linux/vermagic.h index 79b9837d9ca..cf97b5b9d1f 100644 --- a/include/linux/vermagic.h +++ b/include/linux/vermagic.h @@ -1,4 +1,4 @@ -#include <linux/utsrelease.h> +#include <generated/utsrelease.h> #include <linux/module.h> /* Simply sanity version stamp for modules. */ diff --git a/include/linux/vt.h b/include/linux/vt.h index 3fb9944e50a..d5dd0bc408f 100644 --- a/include/linux/vt.h +++ b/include/linux/vt.h @@ -84,6 +84,8 @@ struct vt_setactivate { #define VT_SETACTIVATE 0x560F /* Activate and set the mode of a console */ +#ifdef __KERNEL__ + #ifdef CONFIG_VT_CONSOLE extern int vt_kmsg_redirect(int new); @@ -97,6 +99,8 @@ static inline int vt_kmsg_redirect(int new) #endif +#endif /* __KERNEL__ */ + #define vt_get_kmsg_redirect() vt_kmsg_redirect(-1) #endif /* _LINUX_VT_H */ diff --git a/include/linux/writeback.h b/include/linux/writeback.h index 705f01fe413..c18c008f4bb 100644 --- a/include/linux/writeback.h +++ b/include/linux/writeback.h @@ -79,8 +79,7 @@ void wakeup_flusher_threads(long nr_pages); static inline void wait_on_inode(struct inode *inode) { might_sleep(); - wait_on_bit(&inode->i_state, __I_LOCK, inode_wait, - TASK_UNINTERRUPTIBLE); + wait_on_bit(&inode->i_state, __I_NEW, inode_wait, TASK_UNINTERRUPTIBLE); } static inline void inode_sync_wait(struct inode *inode) { diff --git a/include/scsi/osd_initiator.h b/include/scsi/osd_initiator.h index 39d6d109715..a8f37012663 100644 --- a/include/scsi/osd_initiator.h +++ b/include/scsi/osd_initiator.h @@ -142,6 +142,7 @@ struct osd_request { struct _osd_io_info { struct bio *bio; u64 total_bytes; + u64 residual; struct request *req; struct _osd_req_data_segment *last_seg; u8 *pad_buff; @@ -150,12 +151,14 @@ struct osd_request { gfp_t alloc_flags; unsigned timeout; unsigned retries; + unsigned sense_len; u8 sense[OSD_MAX_SENSE_LEN]; enum osd_attributes_mode attributes_mode; osd_req_done_fn *async_done; void *async_private; int async_error; + int req_errors; }; static inline bool osd_req_is_ver1(struct osd_request *or) @@ -297,8 +300,6 @@ enum osd_err_priority { }; struct osd_sense_info { - u64 out_resid; /* Zero on success otherwise out residual */ - u64 in_resid; /* Zero on success otherwise in residual */ enum osd_err_priority osd_err_pri; int key; /* one of enum scsi_sense_keys */ diff --git a/init/Makefile b/init/Makefile index 4a243df426f..0bf677aa087 100644 --- a/init/Makefile +++ b/init/Makefile @@ -15,12 +15,8 @@ mounts-$(CONFIG_BLK_DEV_RAM) += do_mounts_rd.o mounts-$(CONFIG_BLK_DEV_INITRD) += do_mounts_initrd.o mounts-$(CONFIG_BLK_DEV_MD) += do_mounts_md.o -# files to be removed upon make clean -clean-files := ../include/linux/compile.h - # dependencies on generated files need to be listed explicitly - -$(obj)/version.o: include/linux/compile.h +$(obj)/version.o: include/generated/compile.h # compile.h changes depending on hostname, generation number, etc, # so we regenerate it always. @@ -30,7 +26,7 @@ $(obj)/version.o: include/linux/compile.h chk_compile.h = : quiet_chk_compile.h = echo ' CHK $@' silent_chk_compile.h = : -include/linux/compile.h: FORCE +include/generated/compile.h: FORCE @$($(quiet)chk_compile.h) $(Q)$(CONFIG_SHELL) $(srctree)/scripts/mkcompile_h $@ \ "$(UTS_MACHINE)" "$(CONFIG_SMP)" "$(CONFIG_PREEMPT)" "$(CC) $(KBUILD_CFLAGS)" diff --git a/init/initramfs.c b/init/initramfs.c index 4c00edc5968..b37d34beb90 100644 --- a/init/initramfs.c +++ b/init/initramfs.c @@ -413,7 +413,7 @@ static unsigned my_inptr; /* index of next byte to be processed in inbuf */ static char * __init unpack_to_rootfs(char *buf, unsigned len) { - int written; + int written, res; decompress_fn decompress; const char *compress_name; static __initdata char msg_buf[64]; @@ -445,10 +445,12 @@ static char * __init unpack_to_rootfs(char *buf, unsigned len) } this_header = 0; decompress = decompress_method(buf, len, &compress_name); - if (decompress) - decompress(buf, len, NULL, flush_buffer, NULL, + if (decompress) { + res = decompress(buf, len, NULL, flush_buffer, NULL, &my_inptr, error); - else if (compress_name) { + if (res) + error("decompressor failed"); + } else if (compress_name) { if (!message) { snprintf(msg_buf, sizeof msg_buf, "compression method %s not configured", diff --git a/init/main.c b/init/main.c index c3db4a98b36..dac44a9356a 100644 --- a/init/main.c +++ b/init/main.c @@ -369,12 +369,6 @@ static void __init smp_init(void) { unsigned int cpu; - /* - * Set up the current CPU as possible to migrate to. - * The other ones will be done by cpu_up/cpu_down() - */ - set_cpu_active(smp_processor_id(), true); - /* FIXME: This should be done in userspace --RR */ for_each_present_cpu(cpu) { if (num_online_cpus() >= setup_max_cpus) @@ -486,6 +480,7 @@ static void __init boot_cpu_init(void) int cpu = smp_processor_id(); /* Mark the boot cpu "present", "online" etc for SMP and UP case */ set_cpu_online(cpu, true); + set_cpu_active(cpu, true); set_cpu_present(cpu, true); set_cpu_possible(cpu, true); } diff --git a/init/version.c b/init/version.c index 52a8b98642b..adff586401a 100644 --- a/init/version.c +++ b/init/version.c @@ -6,11 +6,11 @@ * May be freely distributed as part of Linux. */ -#include <linux/compile.h> +#include <generated/compile.h> #include <linux/module.h> #include <linux/uts.h> #include <linux/utsname.h> -#include <linux/utsrelease.h> +#include <generated/utsrelease.h> #include <linux/version.h> #ifndef CONFIG_KALLSYMS diff --git a/kernel/audit_tree.c b/kernel/audit_tree.c index 2451dc6f328..4b05bd9479d 100644 --- a/kernel/audit_tree.c +++ b/kernel/audit_tree.c @@ -277,7 +277,7 @@ static void untag_chunk(struct node *p) owner->root = NULL; } - for (i = j = 0; i < size; i++, j++) { + for (i = j = 0; j <= size; i++, j++) { struct audit_tree *s; if (&chunk->owners[j] == p) { list_del_init(&p->list); @@ -290,7 +290,7 @@ static void untag_chunk(struct node *p) if (!s) /* result of earlier fallback */ continue; get_tree(s); - list_replace_init(&chunk->owners[i].list, &new->owners[j].list); + list_replace_init(&chunk->owners[j].list, &new->owners[i].list); } list_replace_rcu(&chunk->hash, &new->hash); @@ -373,15 +373,17 @@ static int tag_chunk(struct inode *inode, struct audit_tree *tree) for (n = 0; n < old->count; n++) { if (old->owners[n].owner == tree) { spin_unlock(&hash_lock); - put_inotify_watch(watch); + put_inotify_watch(&old->watch); return 0; } } spin_unlock(&hash_lock); chunk = alloc_chunk(old->count + 1); - if (!chunk) + if (!chunk) { + put_inotify_watch(&old->watch); return -ENOMEM; + } mutex_lock(&inode->inotify_mutex); if (inotify_clone_watch(&old->watch, &chunk->watch) < 0) { @@ -425,7 +427,8 @@ static int tag_chunk(struct inode *inode, struct audit_tree *tree) spin_unlock(&hash_lock); inotify_evict_watch(&old->watch); mutex_unlock(&inode->inotify_mutex); - put_inotify_watch(&old->watch); + put_inotify_watch(&old->watch); /* pair to inotify_find_watch */ + put_inotify_watch(&old->watch); /* and kill it */ return 0; } diff --git a/kernel/bounds.c b/kernel/bounds.c index 3c530138183..98a51f26c13 100644 --- a/kernel/bounds.c +++ b/kernel/bounds.c @@ -12,7 +12,7 @@ void foo(void) { - /* The enum constants to put into include/linux/bounds.h */ + /* The enum constants to put into include/generated/bounds.h */ DEFINE(NR_PAGEFLAGS, __NR_PAGEFLAGS); DEFINE(MAX_NR_ZONES, __MAX_NR_ZONES); /* End of constants */ diff --git a/kernel/cpu.c b/kernel/cpu.c index 291ac586f37..1c8ddd6ee94 100644 --- a/kernel/cpu.c +++ b/kernel/cpu.c @@ -209,6 +209,7 @@ static int __ref _cpu_down(unsigned int cpu, int tasks_frozen) return -ENOMEM; cpu_hotplug_begin(); + set_cpu_active(cpu, false); err = __raw_notifier_call_chain(&cpu_chain, CPU_DOWN_PREPARE | mod, hcpu, -1, &nr_calls); if (err == NOTIFY_BAD) { @@ -280,18 +281,6 @@ int __ref cpu_down(unsigned int cpu) goto out; } - set_cpu_active(cpu, false); - - /* - * Make sure the all cpus did the reschedule and are not - * using stale version of the cpu_active_mask. - * This is not strictly necessary becuase stop_machine() - * that we run down the line already provides the required - * synchronization. But it's really a side effect and we do not - * want to depend on the innards of the stop_machine here. - */ - synchronize_sched(); - err = _cpu_down(cpu, 0); out: @@ -382,19 +371,12 @@ int disable_nonboot_cpus(void) return error; cpu_maps_update_begin(); first_cpu = cpumask_first(cpu_online_mask); - /* We take down all of the non-boot CPUs in one shot to avoid races + /* + * We take down all of the non-boot CPUs in one shot to avoid races * with the userspace trying to use the CPU hotplug at the same time */ cpumask_clear(frozen_cpus); - for_each_online_cpu(cpu) { - if (cpu == first_cpu) - continue; - set_cpu_active(cpu, false); - } - - synchronize_sched(); - printk("Disabling non-boot CPUs ...\n"); for_each_online_cpu(cpu) { if (cpu == first_cpu) diff --git a/kernel/exit.c b/kernel/exit.c index 5962d7ccf24..546774a31a6 100644 --- a/kernel/exit.c +++ b/kernel/exit.c @@ -68,10 +68,10 @@ static void __unhash_process(struct task_struct *p) detach_pid(p, PIDTYPE_SID); list_del_rcu(&p->tasks); + list_del_init(&p->sibling); __get_cpu_var(process_counts)--; } list_del_rcu(&p->thread_group); - list_del_init(&p->sibling); } /* @@ -736,12 +736,9 @@ static struct task_struct *find_new_reaper(struct task_struct *father) /* * Any that need to be release_task'd are put on the @dead list. */ -static void reparent_thread(struct task_struct *father, struct task_struct *p, +static void reparent_leader(struct task_struct *father, struct task_struct *p, struct list_head *dead) { - if (p->pdeath_signal) - group_send_sig_info(p->pdeath_signal, SEND_SIG_NOINFO, p); - list_move_tail(&p->sibling, &p->real_parent->children); if (task_detached(p)) @@ -780,12 +777,18 @@ static void forget_original_parent(struct task_struct *father) reaper = find_new_reaper(father); list_for_each_entry_safe(p, n, &father->children, sibling) { - p->real_parent = reaper; - if (p->parent == father) { - BUG_ON(task_ptrace(p)); - p->parent = p->real_parent; - } - reparent_thread(father, p, &dead_children); + struct task_struct *t = p; + do { + t->real_parent = reaper; + if (t->parent == father) { + BUG_ON(task_ptrace(t)); + t->parent = t->real_parent; + } + if (t->pdeath_signal) + group_send_sig_info(t->pdeath_signal, + SEND_SIG_NOINFO, t); + } while_each_thread(p, t); + reparent_leader(father, p, &dead_children); } write_unlock_irq(&tasklist_lock); @@ -1551,14 +1554,9 @@ static int do_wait_thread(struct wait_opts *wo, struct task_struct *tsk) struct task_struct *p; list_for_each_entry(p, &tsk->children, sibling) { - /* - * Do not consider detached threads. - */ - if (!task_detached(p)) { - int ret = wait_consider_task(wo, 0, p); - if (ret) - return ret; - } + int ret = wait_consider_task(wo, 0, p); + if (ret) + return ret; } return 0; diff --git a/kernel/fork.c b/kernel/fork.c index 202a0ba63d3..5b2959b3ffc 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -1291,7 +1291,6 @@ static struct task_struct *copy_process(unsigned long clone_flags, } if (likely(p->pid)) { - list_add_tail(&p->sibling, &p->real_parent->children); tracehook_finish_clone(p, clone_flags, trace); if (thread_group_leader(p)) { @@ -1303,6 +1302,7 @@ static struct task_struct *copy_process(unsigned long clone_flags, p->signal->tty = tty_kref_get(current->signal->tty); attach_pid(p, PIDTYPE_PGID, task_pgrp(current)); attach_pid(p, PIDTYPE_SID, task_session(current)); + list_add_tail(&p->sibling, &p->real_parent->children); list_add_tail_rcu(&p->tasks, &init_task.tasks); __get_cpu_var(process_counts)++; } diff --git a/kernel/kexec.c b/kernel/kexec.c index 433e9fcc1fc..a9a93d9ee7a 100644 --- a/kernel/kexec.c +++ b/kernel/kexec.c @@ -21,7 +21,7 @@ #include <linux/hardirq.h> #include <linux/elf.h> #include <linux/elfcore.h> -#include <linux/utsrelease.h> +#include <generated/utsrelease.h> #include <linux/utsname.h> #include <linux/numa.h> #include <linux/suspend.h> diff --git a/kernel/kthread.c b/kernel/kthread.c index ab7ae57773e..fbb6222fe7e 100644 --- a/kernel/kthread.c +++ b/kernel/kthread.c @@ -150,6 +150,29 @@ struct task_struct *kthread_create(int (*threadfn)(void *data), EXPORT_SYMBOL(kthread_create); /** + * kthread_bind - bind a just-created kthread to a cpu. + * @p: thread created by kthread_create(). + * @cpu: cpu (might not be online, must be possible) for @k to run on. + * + * Description: This function is equivalent to set_cpus_allowed(), + * except that @cpu doesn't need to be online, and the thread must be + * stopped (i.e., just returned from kthread_create()). + */ +void kthread_bind(struct task_struct *p, unsigned int cpu) +{ + /* Must have done schedule() in kthread() before we set_task_cpu */ + if (!wait_task_inactive(p, TASK_UNINTERRUPTIBLE)) { + WARN_ON(1); + return; + } + + p->cpus_allowed = cpumask_of_cpu(cpu); + p->rt.nr_cpus_allowed = 1; + p->flags |= PF_THREAD_BOUND; +} +EXPORT_SYMBOL(kthread_bind); + +/** * kthread_stop - stop a thread created by kthread_create(). * @k: thread created by kthread_create(). * diff --git a/kernel/module.c b/kernel/module.c index a65dc787a27..e96b8ed1cb6 100644 --- a/kernel/module.c +++ b/kernel/module.c @@ -1910,9 +1910,7 @@ static void kmemleak_load_module(struct module *mod, Elf_Ehdr *hdr, unsigned int i; /* only scan the sections containing data */ - kmemleak_scan_area(mod->module_core, (unsigned long)mod - - (unsigned long)mod->module_core, - sizeof(struct module), GFP_KERNEL); + kmemleak_scan_area(mod, sizeof(struct module), GFP_KERNEL); for (i = 1; i < hdr->e_shnum; i++) { if (!(sechdrs[i].sh_flags & SHF_ALLOC)) @@ -1921,8 +1919,7 @@ static void kmemleak_load_module(struct module *mod, Elf_Ehdr *hdr, && strncmp(secstrings + sechdrs[i].sh_name, ".bss", 4) != 0) continue; - kmemleak_scan_area(mod->module_core, sechdrs[i].sh_addr - - (unsigned long)mod->module_core, + kmemleak_scan_area((void *)sechdrs[i].sh_addr, sechdrs[i].sh_size, GFP_KERNEL); } } @@ -2250,6 +2247,12 @@ static noinline struct module *load_module(void __user *umod, "_ftrace_events", sizeof(*mod->trace_events), &mod->num_trace_events); + /* + * This section contains pointers to allocated objects in the trace + * code and not scanning it leads to false positives. + */ + kmemleak_scan_area(mod->trace_events, sizeof(*mod->trace_events) * + mod->num_trace_events, GFP_KERNEL); #endif #ifdef CONFIG_FTRACE_MCOUNT_RECORD /* sechdrs[0].sh_size is always zero */ diff --git a/kernel/perf_event.c b/kernel/perf_event.c index 8ab86988bd2..e0eb4a2fe18 100644 --- a/kernel/perf_event.c +++ b/kernel/perf_event.c @@ -1381,6 +1381,9 @@ static void perf_ctx_adjust_freq(struct perf_event_context *ctx) if (event->state != PERF_EVENT_STATE_ACTIVE) continue; + if (event->cpu != -1 && event->cpu != smp_processor_id()) + continue; + hwc = &event->hw; interrupts = hwc->interrupts; @@ -1614,7 +1617,7 @@ static struct perf_event_context *find_get_context(pid_t pid, int cpu) * offline CPU and activate it when the CPU comes up, but * that's for later. */ - if (!cpu_isset(cpu, cpu_online_map)) + if (!cpu_online(cpu)) return ERR_PTR(-ENODEV); cpuctx = &per_cpu(perf_cpu_context, cpu); @@ -3265,6 +3268,9 @@ static void perf_event_task_output(struct perf_event *event, static int perf_event_task_match(struct perf_event *event) { + if (event->cpu != -1 && event->cpu != smp_processor_id()) + return 0; + if (event->attr.comm || event->attr.mmap || event->attr.task) return 1; @@ -3290,12 +3296,11 @@ static void perf_event_task_event(struct perf_task_event *task_event) rcu_read_lock(); cpuctx = &get_cpu_var(perf_cpu_context); perf_event_task_ctx(&cpuctx->ctx, task_event); - put_cpu_var(perf_cpu_context); - if (!ctx) ctx = rcu_dereference(task_event->task->perf_event_ctxp); if (ctx) perf_event_task_ctx(ctx, task_event); + put_cpu_var(perf_cpu_context); rcu_read_unlock(); } @@ -3372,6 +3377,9 @@ static void perf_event_comm_output(struct perf_event *event, static int perf_event_comm_match(struct perf_event *event) { + if (event->cpu != -1 && event->cpu != smp_processor_id()) + return 0; + if (event->attr.comm) return 1; @@ -3408,15 +3416,10 @@ static void perf_event_comm_event(struct perf_comm_event *comm_event) rcu_read_lock(); cpuctx = &get_cpu_var(perf_cpu_context); perf_event_comm_ctx(&cpuctx->ctx, comm_event); - put_cpu_var(perf_cpu_context); - - /* - * doesn't really matter which of the child contexts the - * events ends up in. - */ ctx = rcu_dereference(current->perf_event_ctxp); if (ctx) perf_event_comm_ctx(ctx, comm_event); + put_cpu_var(perf_cpu_context); rcu_read_unlock(); } @@ -3491,6 +3494,9 @@ static void perf_event_mmap_output(struct perf_event *event, static int perf_event_mmap_match(struct perf_event *event, struct perf_mmap_event *mmap_event) { + if (event->cpu != -1 && event->cpu != smp_processor_id()) + return 0; + if (event->attr.mmap) return 1; @@ -3564,15 +3570,10 @@ got_name: rcu_read_lock(); cpuctx = &get_cpu_var(perf_cpu_context); perf_event_mmap_ctx(&cpuctx->ctx, mmap_event); - put_cpu_var(perf_cpu_context); - - /* - * doesn't really matter which of the child contexts the - * events ends up in. - */ ctx = rcu_dereference(current->perf_event_ctxp); if (ctx) perf_event_mmap_ctx(ctx, mmap_event); + put_cpu_var(perf_cpu_context); rcu_read_unlock(); kfree(buf); @@ -3863,6 +3864,9 @@ static int perf_swevent_match(struct perf_event *event, struct perf_sample_data *data, struct pt_regs *regs) { + if (event->cpu != -1 && event->cpu != smp_processor_id()) + return 0; + if (!perf_swevent_is_counting(event)) return 0; diff --git a/kernel/printk.c b/kernel/printk.c index 1ded8e7dd19..17463ca2e22 100644 --- a/kernel/printk.c +++ b/kernel/printk.c @@ -1412,7 +1412,7 @@ static LIST_HEAD(dump_list); /** * kmsg_dump_register - register a kernel log dumper. - * @dump: pointer to the kmsg_dumper structure + * @dumper: pointer to the kmsg_dumper structure * * Adds a kernel log dumper to the system. The dump callback in the * structure will be called when the kernel oopses or panics and must be @@ -1442,7 +1442,7 @@ EXPORT_SYMBOL_GPL(kmsg_dump_register); /** * kmsg_dump_unregister - unregister a kmsg dumper. - * @dump: pointer to the kmsg_dumper structure + * @dumper: pointer to the kmsg_dumper structure * * Removes a dump device from the system. Returns zero on success and * %-EINVAL otherwise. diff --git a/kernel/sched.c b/kernel/sched.c index 18cceeecce3..720df108a2d 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -26,6 +26,8 @@ * Thomas Gleixner, Mike Kravetz */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include <linux/mm.h> #include <linux/module.h> #include <linux/nmi.h> @@ -2002,39 +2004,6 @@ static inline void check_class_changed(struct rq *rq, struct task_struct *p, p->sched_class->prio_changed(rq, p, oldprio, running); } -/** - * kthread_bind - bind a just-created kthread to a cpu. - * @p: thread created by kthread_create(). - * @cpu: cpu (might not be online, must be possible) for @k to run on. - * - * Description: This function is equivalent to set_cpus_allowed(), - * except that @cpu doesn't need to be online, and the thread must be - * stopped (i.e., just returned from kthread_create()). - * - * Function lives here instead of kthread.c because it messes with - * scheduler internals which require locking. - */ -void kthread_bind(struct task_struct *p, unsigned int cpu) -{ - struct rq *rq = cpu_rq(cpu); - unsigned long flags; - - /* Must have done schedule() in kthread() before we set_task_cpu */ - if (!wait_task_inactive(p, TASK_UNINTERRUPTIBLE)) { - WARN_ON(1); - return; - } - - raw_spin_lock_irqsave(&rq->lock, flags); - update_rq_clock(rq); - set_task_cpu(p, cpu); - p->cpus_allowed = cpumask_of_cpu(cpu); - p->rt.nr_cpus_allowed = 1; - p->flags |= PF_THREAD_BOUND; - raw_spin_unlock_irqrestore(&rq->lock, flags); -} -EXPORT_SYMBOL(kthread_bind); - #ifdef CONFIG_SMP /* * Is this task likely cache-hot: @@ -2044,6 +2013,9 @@ task_hot(struct task_struct *p, u64 now, struct sched_domain *sd) { s64 delta; + if (p->sched_class != &fair_sched_class) + return 0; + /* * Buddy candidates are cache hot: */ @@ -2052,9 +2024,6 @@ task_hot(struct task_struct *p, u64 now, struct sched_domain *sd) &p->se == cfs_rq_of(&p->se)->last)) return 1; - if (p->sched_class != &fair_sched_class) - return 0; - if (sysctl_sched_migration_cost == -1) return 1; if (sysctl_sched_migration_cost == 0) @@ -2065,22 +2034,24 @@ task_hot(struct task_struct *p, u64 now, struct sched_domain *sd) return delta < (s64)sysctl_sched_migration_cost; } - void set_task_cpu(struct task_struct *p, unsigned int new_cpu) { - int old_cpu = task_cpu(p); - struct cfs_rq *old_cfsrq = task_cfs_rq(p), - *new_cfsrq = cpu_cfs_rq(old_cfsrq, new_cpu); +#ifdef CONFIG_SCHED_DEBUG + /* + * We should never call set_task_cpu() on a blocked task, + * ttwu() will sort out the placement. + */ + WARN_ON_ONCE(p->state != TASK_RUNNING && p->state != TASK_WAKING && + !(task_thread_info(p)->preempt_count & PREEMPT_ACTIVE)); +#endif trace_sched_migrate_task(p, new_cpu); - if (old_cpu != new_cpu) { - p->se.nr_migrations++; - perf_sw_event(PERF_COUNT_SW_CPU_MIGRATIONS, - 1, 1, NULL, 0); - } - p->se.vruntime -= old_cfsrq->min_vruntime - - new_cfsrq->min_vruntime; + if (task_cpu(p) == new_cpu) + return; + + p->se.nr_migrations++; + perf_sw_event(PERF_COUNT_SW_CPU_MIGRATIONS, 1, 1, NULL, 0); __set_task_cpu(p, new_cpu); } @@ -2105,13 +2076,10 @@ migrate_task(struct task_struct *p, int dest_cpu, struct migration_req *req) /* * If the task is not on a runqueue (and not running), then - * it is sufficient to simply update the task's cpu field. + * the next wake-up will properly place the task. */ - if (!p->se.on_rq && !task_running(rq, p)) { - update_rq_clock(rq); - set_task_cpu(p, dest_cpu); + if (!p->se.on_rq && !task_running(rq, p)) return 0; - } init_completion(&req->done); req->task = p; @@ -2317,10 +2285,73 @@ void task_oncpu_function_call(struct task_struct *p, } #ifdef CONFIG_SMP +static int select_fallback_rq(int cpu, struct task_struct *p) +{ + int dest_cpu; + const struct cpumask *nodemask = cpumask_of_node(cpu_to_node(cpu)); + + /* Look for allowed, online CPU in same node. */ + for_each_cpu_and(dest_cpu, nodemask, cpu_active_mask) + if (cpumask_test_cpu(dest_cpu, &p->cpus_allowed)) + return dest_cpu; + + /* Any allowed, online CPU? */ + dest_cpu = cpumask_any_and(&p->cpus_allowed, cpu_active_mask); + if (dest_cpu < nr_cpu_ids) + return dest_cpu; + + /* No more Mr. Nice Guy. */ + if (dest_cpu >= nr_cpu_ids) { + rcu_read_lock(); + cpuset_cpus_allowed_locked(p, &p->cpus_allowed); + rcu_read_unlock(); + dest_cpu = cpumask_any_and(cpu_active_mask, &p->cpus_allowed); + + /* + * Don't tell them about moving exiting tasks or + * kernel threads (both mm NULL), since they never + * leave kernel. + */ + if (p->mm && printk_ratelimit()) { + printk(KERN_INFO "process %d (%s) no " + "longer affine to cpu%d\n", + task_pid_nr(p), p->comm, cpu); + } + } + + return dest_cpu; +} + +/* + * Called from: + * + * - fork, @p is stable because it isn't on the tasklist yet + * + * - exec, @p is unstable, retry loop + * + * - wake-up, we serialize ->cpus_allowed against TASK_WAKING so + * we should be good. + */ static inline int select_task_rq(struct task_struct *p, int sd_flags, int wake_flags) { - return p->sched_class->select_task_rq(p, sd_flags, wake_flags); + int cpu = p->sched_class->select_task_rq(p, sd_flags, wake_flags); + + /* + * In order not to call set_task_cpu() on a blocking task we need + * to rely on ttwu() to place the task on a valid ->cpus_allowed + * cpu. + * + * Since this is common to all placement strategies, this lives here. + * + * [ this allows ->select_task() to simply return task_cpu(p) and + * not worry about this generic constraint ] + */ + if (unlikely(!cpumask_test_cpu(cpu, &p->cpus_allowed) || + !cpu_active(cpu))) + cpu = select_fallback_rq(task_cpu(p), p); + + return cpu; } #endif @@ -2375,6 +2406,10 @@ static int try_to_wake_up(struct task_struct *p, unsigned int state, if (task_contributes_to_load(p)) rq->nr_uninterruptible--; p->state = TASK_WAKING; + + if (p->sched_class->task_waking) + p->sched_class->task_waking(rq, p); + __task_rq_unlock(rq); cpu = select_task_rq(p, SD_BALANCE_WAKE, wake_flags); @@ -2438,8 +2473,8 @@ out_running: p->state = TASK_RUNNING; #ifdef CONFIG_SMP - if (p->sched_class->task_wake_up) - p->sched_class->task_wake_up(rq, p); + if (p->sched_class->task_woken) + p->sched_class->task_woken(rq, p); if (unlikely(rq->idle_stamp)) { u64 delta = rq->clock - rq->idle_stamp; @@ -2538,14 +2573,6 @@ static void __sched_fork(struct task_struct *p) #ifdef CONFIG_PREEMPT_NOTIFIERS INIT_HLIST_HEAD(&p->preempt_notifiers); #endif - - /* - * We mark the process as running here, but have not actually - * inserted it onto the runqueue yet. This guarantees that - * nobody will actually run it, and a signal or other external - * event cannot wake it up and insert it on the runqueue either. - */ - p->state = TASK_RUNNING; } /* @@ -2556,6 +2583,12 @@ void sched_fork(struct task_struct *p, int clone_flags) int cpu = get_cpu(); __sched_fork(p); + /* + * We mark the process as waking here. This guarantees that + * nobody will actually run it, and a signal or other external + * event cannot wake it up and insert it on the runqueue either. + */ + p->state = TASK_WAKING; /* * Revert to default priority/policy on fork if requested. @@ -2624,14 +2657,15 @@ void wake_up_new_task(struct task_struct *p, unsigned long clone_flags) struct rq *rq; rq = task_rq_lock(p, &flags); - BUG_ON(p->state != TASK_RUNNING); + BUG_ON(p->state != TASK_WAKING); + p->state = TASK_RUNNING; update_rq_clock(rq); activate_task(rq, p, 0); trace_sched_wakeup_new(rq, p, 1); check_preempt_curr(rq, p, WF_FORK); #ifdef CONFIG_SMP - if (p->sched_class->task_wake_up) - p->sched_class->task_wake_up(rq, p); + if (p->sched_class->task_woken) + p->sched_class->task_woken(rq, p); #endif task_rq_unlock(rq, &flags); } @@ -3101,21 +3135,36 @@ static void double_rq_unlock(struct rq *rq1, struct rq *rq2) } /* - * If dest_cpu is allowed for this process, migrate the task to it. - * This is accomplished by forcing the cpu_allowed mask to only - * allow dest_cpu, which will force the cpu onto dest_cpu. Then - * the cpu_allowed mask is restored. + * sched_exec - execve() is a valuable balancing opportunity, because at + * this point the task has the smallest effective memory and cache footprint. */ -static void sched_migrate_task(struct task_struct *p, int dest_cpu) +void sched_exec(void) { + struct task_struct *p = current; struct migration_req req; + int dest_cpu, this_cpu; unsigned long flags; struct rq *rq; +again: + this_cpu = get_cpu(); + dest_cpu = select_task_rq(p, SD_BALANCE_EXEC, 0); + if (dest_cpu == this_cpu) { + put_cpu(); + return; + } + rq = task_rq_lock(p, &flags); + put_cpu(); + + /* + * select_task_rq() can race against ->cpus_allowed + */ if (!cpumask_test_cpu(dest_cpu, &p->cpus_allowed) - || unlikely(!cpu_active(dest_cpu))) - goto out; + || unlikely(!cpu_active(dest_cpu))) { + task_rq_unlock(rq, &flags); + goto again; + } /* force the process onto the specified CPU */ if (migrate_task(p, dest_cpu, &req)) { @@ -3130,24 +3179,10 @@ static void sched_migrate_task(struct task_struct *p, int dest_cpu) return; } -out: task_rq_unlock(rq, &flags); } /* - * sched_exec - execve() is a valuable balancing opportunity, because at - * this point the task has the smallest effective memory and cache footprint. - */ -void sched_exec(void) -{ - int new_cpu, this_cpu = get_cpu(); - new_cpu = select_task_rq(current, SD_BALANCE_EXEC, 0); - put_cpu(); - if (new_cpu != this_cpu) - sched_migrate_task(current, new_cpu); -} - -/* * pull_task - move a task from a remote runqueue to the local runqueue. * Both runqueues must be locked. */ @@ -5340,8 +5375,8 @@ static noinline void __schedule_bug(struct task_struct *prev) { struct pt_regs *regs = get_irq_regs(); - printk(KERN_ERR "BUG: scheduling while atomic: %s/%d/0x%08x\n", - prev->comm, prev->pid, preempt_count()); + pr_err("BUG: scheduling while atomic: %s/%d/0x%08x\n", + prev->comm, prev->pid, preempt_count()); debug_show_held_locks(prev); print_modules(); @@ -5911,14 +5946,15 @@ EXPORT_SYMBOL(wait_for_completion_killable); */ bool try_wait_for_completion(struct completion *x) { + unsigned long flags; int ret = 1; - spin_lock_irq(&x->wait.lock); + spin_lock_irqsave(&x->wait.lock, flags); if (!x->done) ret = 0; else x->done--; - spin_unlock_irq(&x->wait.lock); + spin_unlock_irqrestore(&x->wait.lock, flags); return ret; } EXPORT_SYMBOL(try_wait_for_completion); @@ -5933,12 +5969,13 @@ EXPORT_SYMBOL(try_wait_for_completion); */ bool completion_done(struct completion *x) { + unsigned long flags; int ret = 1; - spin_lock_irq(&x->wait.lock); + spin_lock_irqsave(&x->wait.lock, flags); if (!x->done) ret = 0; - spin_unlock_irq(&x->wait.lock); + spin_unlock_irqrestore(&x->wait.lock, flags); return ret; } EXPORT_SYMBOL(completion_done); @@ -6457,7 +6494,7 @@ SYSCALL_DEFINE1(sched_getscheduler, pid_t, pid) return -EINVAL; retval = -ESRCH; - read_lock(&tasklist_lock); + rcu_read_lock(); p = find_process_by_pid(pid); if (p) { retval = security_task_getscheduler(p); @@ -6465,7 +6502,7 @@ SYSCALL_DEFINE1(sched_getscheduler, pid_t, pid) retval = p->policy | (p->sched_reset_on_fork ? SCHED_RESET_ON_FORK : 0); } - read_unlock(&tasklist_lock); + rcu_read_unlock(); return retval; } @@ -6483,7 +6520,7 @@ SYSCALL_DEFINE2(sched_getparam, pid_t, pid, struct sched_param __user *, param) if (!param || pid < 0) return -EINVAL; - read_lock(&tasklist_lock); + rcu_read_lock(); p = find_process_by_pid(pid); retval = -ESRCH; if (!p) @@ -6494,7 +6531,7 @@ SYSCALL_DEFINE2(sched_getparam, pid_t, pid, struct sched_param __user *, param) goto out_unlock; lp.sched_priority = p->rt_priority; - read_unlock(&tasklist_lock); + rcu_read_unlock(); /* * This one might sleep, we cannot do it with a spinlock held ... @@ -6504,7 +6541,7 @@ SYSCALL_DEFINE2(sched_getparam, pid_t, pid, struct sched_param __user *, param) return retval; out_unlock: - read_unlock(&tasklist_lock); + rcu_read_unlock(); return retval; } @@ -6515,22 +6552,18 @@ long sched_setaffinity(pid_t pid, const struct cpumask *in_mask) int retval; get_online_cpus(); - read_lock(&tasklist_lock); + rcu_read_lock(); p = find_process_by_pid(pid); if (!p) { - read_unlock(&tasklist_lock); + rcu_read_unlock(); put_online_cpus(); return -ESRCH; } - /* - * It is not safe to call set_cpus_allowed with the - * tasklist_lock held. We will bump the task_struct's - * usage count and then drop tasklist_lock. - */ + /* Prevent p going away */ get_task_struct(p); - read_unlock(&tasklist_lock); + rcu_read_unlock(); if (!alloc_cpumask_var(&cpus_allowed, GFP_KERNEL)) { retval = -ENOMEM; @@ -6616,7 +6649,7 @@ long sched_getaffinity(pid_t pid, struct cpumask *mask) int retval; get_online_cpus(); - read_lock(&tasklist_lock); + rcu_read_lock(); retval = -ESRCH; p = find_process_by_pid(pid); @@ -6632,7 +6665,7 @@ long sched_getaffinity(pid_t pid, struct cpumask *mask) task_rq_unlock(rq, &flags); out_unlock: - read_unlock(&tasklist_lock); + rcu_read_unlock(); put_online_cpus(); return retval; @@ -6876,7 +6909,7 @@ SYSCALL_DEFINE2(sched_rr_get_interval, pid_t, pid, return -EINVAL; retval = -ESRCH; - read_lock(&tasklist_lock); + rcu_read_lock(); p = find_process_by_pid(pid); if (!p) goto out_unlock; @@ -6889,13 +6922,13 @@ SYSCALL_DEFINE2(sched_rr_get_interval, pid_t, pid, time_slice = p->sched_class->get_rr_interval(rq, p); task_rq_unlock(rq, &flags); - read_unlock(&tasklist_lock); + rcu_read_unlock(); jiffies_to_timespec(time_slice, &t); retval = copy_to_user(interval, &t, sizeof(t)) ? -EFAULT : 0; return retval; out_unlock: - read_unlock(&tasklist_lock); + rcu_read_unlock(); return retval; } @@ -6907,23 +6940,23 @@ void sched_show_task(struct task_struct *p) unsigned state; state = p->state ? __ffs(p->state) + 1 : 0; - printk(KERN_INFO "%-13.13s %c", p->comm, + pr_info("%-13.13s %c", p->comm, state < sizeof(stat_nam) - 1 ? stat_nam[state] : '?'); #if BITS_PER_LONG == 32 if (state == TASK_RUNNING) - printk(KERN_CONT " running "); + pr_cont(" running "); else - printk(KERN_CONT " %08lx ", thread_saved_pc(p)); + pr_cont(" %08lx ", thread_saved_pc(p)); #else if (state == TASK_RUNNING) - printk(KERN_CONT " running task "); + pr_cont(" running task "); else - printk(KERN_CONT " %016lx ", thread_saved_pc(p)); + pr_cont(" %016lx ", thread_saved_pc(p)); #endif #ifdef CONFIG_DEBUG_STACK_USAGE free = stack_not_used(p); #endif - printk(KERN_CONT "%5lu %5d %6d 0x%08lx\n", free, + pr_cont("%5lu %5d %6d 0x%08lx\n", free, task_pid_nr(p), task_pid_nr(p->real_parent), (unsigned long)task_thread_info(p)->flags); @@ -6935,11 +6968,9 @@ void show_state_filter(unsigned long state_filter) struct task_struct *g, *p; #if BITS_PER_LONG == 32 - printk(KERN_INFO - " task PC stack pid father\n"); + pr_info(" task PC stack pid father\n"); #else - printk(KERN_INFO - " task PC stack pid father\n"); + pr_info(" task PC stack pid father\n"); #endif read_lock(&tasklist_lock); do_each_thread(g, p) { @@ -6986,6 +7017,7 @@ void __cpuinit init_idle(struct task_struct *idle, int cpu) raw_spin_lock_irqsave(&rq->lock, flags); __sched_fork(idle); + idle->state = TASK_RUNNING; idle->se.exec_start = sched_clock(); cpumask_copy(&idle->cpus_allowed, cpumask_of(cpu)); @@ -7100,7 +7132,23 @@ int set_cpus_allowed_ptr(struct task_struct *p, const struct cpumask *new_mask) struct rq *rq; int ret = 0; + /* + * Since we rely on wake-ups to migrate sleeping tasks, don't change + * the ->cpus_allowed mask from under waking tasks, which would be + * possible when we change rq->lock in ttwu(), so synchronize against + * TASK_WAKING to avoid that. + */ +again: + while (p->state == TASK_WAKING) + cpu_relax(); + rq = task_rq_lock(p, &flags); + + if (p->state == TASK_WAKING) { + task_rq_unlock(rq, &flags); + goto again; + } + if (!cpumask_intersects(new_mask, cpu_active_mask)) { ret = -EINVAL; goto out; @@ -7156,7 +7204,7 @@ EXPORT_SYMBOL_GPL(set_cpus_allowed_ptr); static int __migrate_task(struct task_struct *p, int src_cpu, int dest_cpu) { struct rq *rq_dest, *rq_src; - int ret = 0, on_rq; + int ret = 0; if (unlikely(!cpu_active(dest_cpu))) return ret; @@ -7172,12 +7220,13 @@ static int __migrate_task(struct task_struct *p, int src_cpu, int dest_cpu) if (!cpumask_test_cpu(dest_cpu, &p->cpus_allowed)) goto fail; - on_rq = p->se.on_rq; - if (on_rq) + /* + * If we're not on a rq, the next wake-up will ensure we're + * placed properly. + */ + if (p->se.on_rq) { deactivate_task(rq_src, p, 0); - - set_task_cpu(p, dest_cpu); - if (on_rq) { + set_task_cpu(p, dest_cpu); activate_task(rq_dest, p, 0); check_preempt_curr(rq_dest, p, 0); } @@ -7273,37 +7322,10 @@ static int __migrate_task_irq(struct task_struct *p, int src_cpu, int dest_cpu) static void move_task_off_dead_cpu(int dead_cpu, struct task_struct *p) { int dest_cpu; - const struct cpumask *nodemask = cpumask_of_node(cpu_to_node(dead_cpu)); again: - /* Look for allowed, online CPU in same node. */ - for_each_cpu_and(dest_cpu, nodemask, cpu_active_mask) - if (cpumask_test_cpu(dest_cpu, &p->cpus_allowed)) - goto move; - - /* Any allowed, online CPU? */ - dest_cpu = cpumask_any_and(&p->cpus_allowed, cpu_active_mask); - if (dest_cpu < nr_cpu_ids) - goto move; - - /* No more Mr. Nice Guy. */ - if (dest_cpu >= nr_cpu_ids) { - cpuset_cpus_allowed_locked(p, &p->cpus_allowed); - dest_cpu = cpumask_any_and(cpu_active_mask, &p->cpus_allowed); - - /* - * Don't tell them about moving exiting tasks or - * kernel threads (both mm NULL), since they never - * leave kernel. - */ - if (p->mm && printk_ratelimit()) { - printk(KERN_INFO "process %d (%s) no " - "longer affine to cpu%d\n", - task_pid_nr(p), p->comm, dead_cpu); - } - } + dest_cpu = select_fallback_rq(dead_cpu, p); -move: /* It can have affinity changed while we were choosing. */ if (unlikely(!__migrate_task_irq(p, dead_cpu, dest_cpu))) goto again; @@ -7806,48 +7828,44 @@ static int sched_domain_debug_one(struct sched_domain *sd, int cpu, int level, printk(KERN_DEBUG "%*s domain %d: ", level, "", level); if (!(sd->flags & SD_LOAD_BALANCE)) { - printk("does not load-balance\n"); + pr_cont("does not load-balance\n"); if (sd->parent) - printk(KERN_ERR "ERROR: !SD_LOAD_BALANCE domain" - " has parent"); + pr_err("ERROR: !SD_LOAD_BALANCE domain has parent\n"); return -1; } - printk(KERN_CONT "span %s level %s\n", str, sd->name); + pr_cont("span %s level %s\n", str, sd->name); if (!cpumask_test_cpu(cpu, sched_domain_span(sd))) { - printk(KERN_ERR "ERROR: domain->span does not contain " - "CPU%d\n", cpu); + pr_err("ERROR: domain->span does not contain CPU%d\n", cpu); } if (!cpumask_test_cpu(cpu, sched_group_cpus(group))) { - printk(KERN_ERR "ERROR: domain->groups does not contain" - " CPU%d\n", cpu); + pr_err("ERROR: domain->groups does not contain CPU%d\n", cpu); } printk(KERN_DEBUG "%*s groups:", level + 1, ""); do { if (!group) { - printk("\n"); - printk(KERN_ERR "ERROR: group is NULL\n"); + pr_cont("\n"); + pr_err("ERROR: group is NULL\n"); break; } if (!group->cpu_power) { - printk(KERN_CONT "\n"); - printk(KERN_ERR "ERROR: domain->cpu_power not " - "set\n"); + pr_cont("\n"); + pr_err("ERROR: domain->cpu_power not set\n"); break; } if (!cpumask_weight(sched_group_cpus(group))) { - printk(KERN_CONT "\n"); - printk(KERN_ERR "ERROR: empty group\n"); + pr_cont("\n"); + pr_err("ERROR: empty group\n"); break; } if (cpumask_intersects(groupmask, sched_group_cpus(group))) { - printk(KERN_CONT "\n"); - printk(KERN_ERR "ERROR: repeated CPUs\n"); + pr_cont("\n"); + pr_err("ERROR: repeated CPUs\n"); break; } @@ -7855,23 +7873,21 @@ static int sched_domain_debug_one(struct sched_domain *sd, int cpu, int level, cpulist_scnprintf(str, sizeof(str), sched_group_cpus(group)); - printk(KERN_CONT " %s", str); + pr_cont(" %s", str); if (group->cpu_power != SCHED_LOAD_SCALE) { - printk(KERN_CONT " (cpu_power = %d)", - group->cpu_power); + pr_cont(" (cpu_power = %d)", group->cpu_power); } group = group->next; } while (group != sd->groups); - printk(KERN_CONT "\n"); + pr_cont("\n"); if (!cpumask_equal(sched_domain_span(sd), groupmask)) - printk(KERN_ERR "ERROR: groups don't span domain->span\n"); + pr_err("ERROR: groups don't span domain->span\n"); if (sd->parent && !cpumask_subset(groupmask, sched_domain_span(sd->parent))) - printk(KERN_ERR "ERROR: parent span is not a superset " - "of domain->span\n"); + pr_err("ERROR: parent span is not a superset of domain->span\n"); return 0; } @@ -8427,8 +8443,7 @@ static int build_numa_sched_groups(struct s_data *d, sg = kmalloc_node(sizeof(struct sched_group) + cpumask_size(), GFP_KERNEL, num); if (!sg) { - printk(KERN_WARNING "Can not alloc domain group for node %d\n", - num); + pr_warning("Can not alloc domain group for node %d\n", num); return -ENOMEM; } d->sched_group_nodes[num] = sg; @@ -8457,8 +8472,8 @@ static int build_numa_sched_groups(struct s_data *d, sg = kmalloc_node(sizeof(struct sched_group) + cpumask_size(), GFP_KERNEL, num); if (!sg) { - printk(KERN_WARNING - "Can not alloc domain group for node %d\n", j); + pr_warning("Can not alloc domain group for node %d\n", + j); return -ENOMEM; } sg->cpu_power = 0; @@ -8686,7 +8701,7 @@ static enum s_alloc __visit_domain_allocation_hell(struct s_data *d, d->sched_group_nodes = kcalloc(nr_node_ids, sizeof(struct sched_group *), GFP_KERNEL); if (!d->sched_group_nodes) { - printk(KERN_WARNING "Can not alloc sched group node list\n"); + pr_warning("Can not alloc sched group node list\n"); return sa_notcovered; } sched_group_nodes_bycpu[cpumask_first(cpu_map)] = d->sched_group_nodes; @@ -8703,7 +8718,7 @@ static enum s_alloc __visit_domain_allocation_hell(struct s_data *d, return sa_send_covered; d->rd = alloc_rootdomain(); if (!d->rd) { - printk(KERN_WARNING "Cannot alloc root domain\n"); + pr_warning("Cannot alloc root domain\n"); return sa_tmpmask; } return sa_rootdomain; @@ -9668,7 +9683,7 @@ void __init sched_init(void) #ifdef CONFIG_DEBUG_SPINLOCK_SLEEP static inline int preempt_count_equals(int preempt_offset) { - int nested = preempt_count() & ~PREEMPT_ACTIVE; + int nested = (preempt_count() & ~PREEMPT_ACTIVE) + rcu_preempt_depth(); return (nested == PREEMPT_INATOMIC_BASE + preempt_offset); } @@ -9685,13 +9700,11 @@ void __might_sleep(char *file, int line, int preempt_offset) return; prev_jiffy = jiffies; - printk(KERN_ERR - "BUG: sleeping function called from invalid context at %s:%d\n", - file, line); - printk(KERN_ERR - "in_atomic(): %d, irqs_disabled(): %d, pid: %d, name: %s\n", - in_atomic(), irqs_disabled(), - current->pid, current->comm); + pr_err("BUG: sleeping function called from invalid context at %s:%d\n", + file, line); + pr_err("in_atomic(): %d, irqs_disabled(): %d, pid: %d, name: %s\n", + in_atomic(), irqs_disabled(), + current->pid, current->comm); debug_show_held_locks(current); if (irqs_disabled()) @@ -10083,7 +10096,7 @@ void sched_move_task(struct task_struct *tsk) #ifdef CONFIG_FAIR_GROUP_SCHED if (tsk->sched_class->moved_group) - tsk->sched_class->moved_group(tsk); + tsk->sched_class->moved_group(tsk, on_rq); #endif if (unlikely(running)) diff --git a/kernel/sched_clock.c b/kernel/sched_clock.c index 479ce5682d7..5b496132c28 100644 --- a/kernel/sched_clock.c +++ b/kernel/sched_clock.c @@ -236,6 +236,18 @@ void sched_clock_idle_wakeup_event(u64 delta_ns) } EXPORT_SYMBOL_GPL(sched_clock_idle_wakeup_event); +unsigned long long cpu_clock(int cpu) +{ + unsigned long long clock; + unsigned long flags; + + local_irq_save(flags); + clock = sched_clock_cpu(cpu); + local_irq_restore(flags); + + return clock; +} + #else /* CONFIG_HAVE_UNSTABLE_SCHED_CLOCK */ void sched_clock_init(void) @@ -251,17 +263,12 @@ u64 sched_clock_cpu(int cpu) return sched_clock(); } -#endif /* CONFIG_HAVE_UNSTABLE_SCHED_CLOCK */ unsigned long long cpu_clock(int cpu) { - unsigned long long clock; - unsigned long flags; + return sched_clock_cpu(cpu); +} - local_irq_save(flags); - clock = sched_clock_cpu(cpu); - local_irq_restore(flags); +#endif /* CONFIG_HAVE_UNSTABLE_SCHED_CLOCK */ - return clock; -} EXPORT_SYMBOL_GPL(cpu_clock); diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c index 5bedf6e3ebf..42ac3c9f66f 100644 --- a/kernel/sched_fair.c +++ b/kernel/sched_fair.c @@ -510,6 +510,7 @@ __update_curr(struct cfs_rq *cfs_rq, struct sched_entity *curr, curr->sum_exec_runtime += delta_exec; schedstat_add(cfs_rq, exec_clock, delta_exec); delta_exec_weighted = calc_delta_fair(delta_exec, curr); + curr->vruntime += delta_exec_weighted; update_min_vruntime(cfs_rq); } @@ -765,16 +766,26 @@ place_entity(struct cfs_rq *cfs_rq, struct sched_entity *se, int initial) se->vruntime = vruntime; } +#define ENQUEUE_WAKEUP 1 +#define ENQUEUE_MIGRATE 2 + static void -enqueue_entity(struct cfs_rq *cfs_rq, struct sched_entity *se, int wakeup) +enqueue_entity(struct cfs_rq *cfs_rq, struct sched_entity *se, int flags) { /* + * Update the normalized vruntime before updating min_vruntime + * through callig update_curr(). + */ + if (!(flags & ENQUEUE_WAKEUP) || (flags & ENQUEUE_MIGRATE)) + se->vruntime += cfs_rq->min_vruntime; + + /* * Update run-time statistics of the 'current'. */ update_curr(cfs_rq); account_entity_enqueue(cfs_rq, se); - if (wakeup) { + if (flags & ENQUEUE_WAKEUP) { place_entity(cfs_rq, se, 0); enqueue_sleeper(cfs_rq, se); } @@ -828,6 +839,14 @@ dequeue_entity(struct cfs_rq *cfs_rq, struct sched_entity *se, int sleep) __dequeue_entity(cfs_rq, se); account_entity_dequeue(cfs_rq, se); update_min_vruntime(cfs_rq); + + /* + * Normalize the entity after updating the min_vruntime because the + * update can refer to the ->curr item and we need to reflect this + * movement in our normalized position. + */ + if (!sleep) + se->vruntime -= cfs_rq->min_vruntime; } /* @@ -1038,13 +1057,19 @@ static void enqueue_task_fair(struct rq *rq, struct task_struct *p, int wakeup) { struct cfs_rq *cfs_rq; struct sched_entity *se = &p->se; + int flags = 0; + + if (wakeup) + flags |= ENQUEUE_WAKEUP; + if (p->state == TASK_WAKING) + flags |= ENQUEUE_MIGRATE; for_each_sched_entity(se) { if (se->on_rq) break; cfs_rq = cfs_rq_of(se); - enqueue_entity(cfs_rq, se, wakeup); - wakeup = 1; + enqueue_entity(cfs_rq, se, flags); + flags = ENQUEUE_WAKEUP; } hrtick_update(rq); @@ -1120,6 +1145,14 @@ static void yield_task_fair(struct rq *rq) #ifdef CONFIG_SMP +static void task_waking_fair(struct rq *rq, struct task_struct *p) +{ + struct sched_entity *se = &p->se; + struct cfs_rq *cfs_rq = cfs_rq_of(se); + + se->vruntime -= cfs_rq->min_vruntime; +} + #ifdef CONFIG_FAIR_GROUP_SCHED /* * effective_load() calculates the load change as seen from the root_task_group @@ -1429,6 +1462,9 @@ static int select_task_rq_fair(struct task_struct *p, int sd_flag, int wake_flag } for_each_domain(cpu, tmp) { + if (!(tmp->flags & SD_LOAD_BALANCE)) + continue; + /* * If power savings logic is enabled for a domain, see if we * are not overloaded, if so, don't balance wider. @@ -1975,6 +2011,8 @@ static void task_fork_fair(struct task_struct *p) resched_task(rq->curr); } + se->vruntime -= cfs_rq->min_vruntime; + raw_spin_unlock_irqrestore(&rq->lock, flags); } @@ -2028,12 +2066,13 @@ static void set_curr_task_fair(struct rq *rq) } #ifdef CONFIG_FAIR_GROUP_SCHED -static void moved_group_fair(struct task_struct *p) +static void moved_group_fair(struct task_struct *p, int on_rq) { struct cfs_rq *cfs_rq = task_cfs_rq(p); update_curr(cfs_rq); - place_entity(cfs_rq, &p->se, 1); + if (!on_rq) + place_entity(cfs_rq, &p->se, 1); } #endif @@ -2073,6 +2112,8 @@ static const struct sched_class fair_sched_class = { .move_one_task = move_one_task_fair, .rq_online = rq_online_fair, .rq_offline = rq_offline_fair, + + .task_waking = task_waking_fair, #endif .set_curr_task = set_curr_task_fair, diff --git a/kernel/sched_idletask.c b/kernel/sched_idletask.c index 5f93b570d38..21b969a2872 100644 --- a/kernel/sched_idletask.c +++ b/kernel/sched_idletask.c @@ -35,7 +35,7 @@ static void dequeue_task_idle(struct rq *rq, struct task_struct *p, int sleep) { raw_spin_unlock_irq(&rq->lock); - printk(KERN_ERR "bad: scheduling from the idle thread!\n"); + pr_err("bad: scheduling from the idle thread!\n"); dump_stack(); raw_spin_lock_irq(&rq->lock); } diff --git a/kernel/sched_rt.c b/kernel/sched_rt.c index d2ea2828164..f48328ac216 100644 --- a/kernel/sched_rt.c +++ b/kernel/sched_rt.c @@ -1472,7 +1472,7 @@ static void post_schedule_rt(struct rq *rq) * If we are not running and we are not going to reschedule soon, we should * try to push tasks away now */ -static void task_wake_up_rt(struct rq *rq, struct task_struct *p) +static void task_woken_rt(struct rq *rq, struct task_struct *p) { if (!task_running(rq, p) && !test_tsk_need_resched(rq->curr) && @@ -1753,7 +1753,7 @@ static const struct sched_class rt_sched_class = { .rq_offline = rq_offline_rt, .pre_schedule = pre_schedule_rt, .post_schedule = post_schedule_rt, - .task_wake_up = task_wake_up_rt, + .task_woken = task_woken_rt, .switched_from = switched_from_rt, #endif diff --git a/kernel/signal.c b/kernel/signal.c index 1814e68e4de..d09692b4037 100644 --- a/kernel/signal.c +++ b/kernel/signal.c @@ -218,13 +218,13 @@ __sigqueue_alloc(int sig, struct task_struct *t, gfp_t flags, int override_rlimi struct user_struct *user; /* - * We won't get problems with the target's UID changing under us - * because changing it requires RCU be used, and if t != current, the - * caller must be holding the RCU readlock (by way of a spinlock) and - * we use RCU protection here + * Protect access to @t credentials. This can go away when all + * callers hold rcu read lock. */ + rcu_read_lock(); user = get_uid(__task_cred(t)->user); atomic_inc(&user->sigpending); + rcu_read_unlock(); if (override_rlimit || atomic_read(&user->sigpending) <= @@ -1179,11 +1179,12 @@ int kill_pid_info_as_uid(int sig, struct siginfo *info, struct pid *pid, int ret = -EINVAL; struct task_struct *p; const struct cred *pcred; + unsigned long flags; if (!valid_signal(sig)) return ret; - read_lock(&tasklist_lock); + rcu_read_lock(); p = pid_task(pid, PIDTYPE_PID); if (!p) { ret = -ESRCH; @@ -1199,14 +1200,16 @@ int kill_pid_info_as_uid(int sig, struct siginfo *info, struct pid *pid, ret = security_task_kill(p, info, sig, secid); if (ret) goto out_unlock; - if (sig && p->sighand) { - unsigned long flags; - spin_lock_irqsave(&p->sighand->siglock, flags); - ret = __send_signal(sig, info, p, 1, 0); - spin_unlock_irqrestore(&p->sighand->siglock, flags); + + if (sig) { + if (lock_task_sighand(p, &flags)) { + ret = __send_signal(sig, info, p, 1, 0); + unlock_task_sighand(p, &flags); + } else + ret = -ESRCH; } out_unlock: - read_unlock(&tasklist_lock); + rcu_read_unlock(); return ret; } EXPORT_SYMBOL_GPL(kill_pid_info_as_uid); diff --git a/kernel/sys.c b/kernel/sys.c index 20ccfb5da6a..26a6b73a6b8 100644 --- a/kernel/sys.c +++ b/kernel/sys.c @@ -162,6 +162,7 @@ SYSCALL_DEFINE3(setpriority, int, which, int, who, int, niceval) if (niceval > 19) niceval = 19; + rcu_read_lock(); read_lock(&tasklist_lock); switch (which) { case PRIO_PROCESS: @@ -199,6 +200,7 @@ SYSCALL_DEFINE3(setpriority, int, which, int, who, int, niceval) } out_unlock: read_unlock(&tasklist_lock); + rcu_read_unlock(); out: return error; } diff --git a/kernel/sysctl.c b/kernel/sysctl.c index 45e4bef0012..8a68b244846 100644 --- a/kernel/sysctl.c +++ b/kernel/sysctl.c @@ -1131,7 +1131,7 @@ static struct ctl_table vm_table[] = { .data = &sysctl_max_map_count, .maxlen = sizeof(sysctl_max_map_count), .mode = 0644, - .proc_handler = proc_dointvec, + .proc_handler = proc_dointvec_minmax, .extra1 = &zero, }, #else @@ -1214,6 +1214,7 @@ static struct ctl_table vm_table[] = { .proc_handler = proc_dointvec_jiffies, }, #endif +#ifdef CONFIG_MMU { .procname = "mmap_min_addr", .data = &dac_mmap_min_addr, @@ -1221,6 +1222,7 @@ static struct ctl_table vm_table[] = { .mode = 0644, .proc_handler = mmap_min_addr_handler, }, +#endif #ifdef CONFIG_NUMA { .procname = "numa_zonelist_order", diff --git a/kernel/time/clockevents.c b/kernel/time/clockevents.c index 3d5fc0fd1cc..6f740d9f094 100644 --- a/kernel/time/clockevents.c +++ b/kernel/time/clockevents.c @@ -238,8 +238,9 @@ void clockevents_exchange_device(struct clock_event_device *old, */ void clockevents_notify(unsigned long reason, void *arg) { - struct list_head *node, *tmp; + struct clock_event_device *dev, *tmp; unsigned long flags; + int cpu; raw_spin_lock_irqsave(&clockevents_lock, flags); clockevents_do_notify(reason, arg); @@ -250,8 +251,19 @@ void clockevents_notify(unsigned long reason, void *arg) * Unregister the clock event devices which were * released from the users in the notify chain. */ - list_for_each_safe(node, tmp, &clockevents_released) - list_del(node); + list_for_each_entry_safe(dev, tmp, &clockevents_released, list) + list_del(&dev->list); + /* + * Now check whether the CPU has left unused per cpu devices + */ + cpu = *((int *)arg); + list_for_each_entry_safe(dev, tmp, &clockevent_devices, list) { + if (cpumask_test_cpu(cpu, dev->cpumask) && + cpumask_weight(dev->cpumask) == 1) { + BUG_ON(dev->mode != CLOCK_EVT_MODE_UNUSED); + list_del(&dev->list); + } + } break; default: break; diff --git a/kernel/time/timer_list.c b/kernel/time/timer_list.c index 28265636b6c..bdfb8dd1050 100644 --- a/kernel/time/timer_list.c +++ b/kernel/time/timer_list.c @@ -237,10 +237,10 @@ static void timer_list_show_tickdevices(struct seq_file *m) #ifdef CONFIG_GENERIC_CLOCKEVENTS_BROADCAST print_tickdevice(m, tick_get_broadcast_device(), -1); SEQ_printf(m, "tick_broadcast_mask: %08lx\n", - tick_get_broadcast_mask()->bits[0]); + cpumask_bits(tick_get_broadcast_mask())[0]); #ifdef CONFIG_TICK_ONESHOT SEQ_printf(m, "tick_broadcast_oneshot_mask: %08lx\n", - tick_get_broadcast_oneshot_mask()->bits[0]); + cpumask_bits(tick_get_broadcast_oneshot_mask())[0]); #endif SEQ_printf(m, "\n"); #endif diff --git a/kernel/timer.c b/kernel/timer.c index 5db5a8d2681..15533b79239 100644 --- a/kernel/timer.c +++ b/kernel/timer.c @@ -656,8 +656,6 @@ __mod_timer(struct timer_list *timer, unsigned long expires, debug_activate(timer, expires); - new_base = __get_cpu_var(tvec_bases); - cpu = smp_processor_id(); #if defined(CONFIG_NO_HZ) && defined(CONFIG_SMP) diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 06ba26747d7..8b9f20ab8ee 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -12,7 +12,7 @@ * Copyright (C) 2004 William Lee Irwin III */ #include <linux/ring_buffer.h> -#include <linux/utsrelease.h> +#include <generated/utsrelease.h> #include <linux/stacktrace.h> #include <linux/writeback.h> #include <linux/kallsyms.h> diff --git a/kernel/trace/trace_kprobe.c b/kernel/trace/trace_kprobe.c index 7ecab06547a..375f81a568d 100644 --- a/kernel/trace/trace_kprobe.c +++ b/kernel/trace/trace_kprobe.c @@ -282,6 +282,18 @@ static int kprobe_dispatcher(struct kprobe *kp, struct pt_regs *regs); static int kretprobe_dispatcher(struct kretprobe_instance *ri, struct pt_regs *regs); +/* Check the name is good for event/group */ +static int check_event_name(const char *name) +{ + if (!isalpha(*name) && *name != '_') + return 0; + while (*++name != '\0') { + if (!isalpha(*name) && !isdigit(*name) && *name != '_') + return 0; + } + return 1; +} + /* * Allocate new trace_probe and initialize it (including kprobes). */ @@ -293,10 +305,11 @@ static struct trace_probe *alloc_trace_probe(const char *group, int nargs, int is_return) { struct trace_probe *tp; + int ret = -ENOMEM; tp = kzalloc(SIZEOF_TRACE_PROBE(nargs), GFP_KERNEL); if (!tp) - return ERR_PTR(-ENOMEM); + return ERR_PTR(ret); if (symbol) { tp->symbol = kstrdup(symbol, GFP_KERNEL); @@ -312,14 +325,20 @@ static struct trace_probe *alloc_trace_probe(const char *group, else tp->rp.kp.pre_handler = kprobe_dispatcher; - if (!event) + if (!event || !check_event_name(event)) { + ret = -EINVAL; goto error; + } + tp->call.name = kstrdup(event, GFP_KERNEL); if (!tp->call.name) goto error; - if (!group) + if (!group || !check_event_name(group)) { + ret = -EINVAL; goto error; + } + tp->call.system = kstrdup(group, GFP_KERNEL); if (!tp->call.system) goto error; @@ -330,7 +349,7 @@ error: kfree(tp->call.name); kfree(tp->symbol); kfree(tp); - return ERR_PTR(-ENOMEM); + return ERR_PTR(ret); } static void free_probe_arg(struct probe_arg *arg) @@ -695,10 +714,10 @@ static int create_trace_probe(int argc, char **argv) if (!event) { /* Make a new event name */ if (symbol) - snprintf(buf, MAX_EVENT_NAME_LEN, "%c@%s%+ld", + snprintf(buf, MAX_EVENT_NAME_LEN, "%c_%s_%ld", is_return ? 'r' : 'p', symbol, offset); else - snprintf(buf, MAX_EVENT_NAME_LEN, "%c@0x%p", + snprintf(buf, MAX_EVENT_NAME_LEN, "%c_0x%p", is_return ? 'r' : 'p', addr); event = buf; } diff --git a/kernel/trace/trace_sysprof.c b/kernel/trace/trace_sysprof.c index f6693969287..a7974a552ca 100644 --- a/kernel/trace/trace_sysprof.c +++ b/kernel/trace/trace_sysprof.c @@ -93,6 +93,7 @@ static const struct stacktrace_ops backtrace_ops = { .warning_symbol = backtrace_warning_symbol, .stack = backtrace_stack, .address = backtrace_address, + .walk_stack = print_context_stack, }; static int diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index 8cf9938dd14..25c3ed594c5 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -360,6 +360,7 @@ config DEBUG_KMEMLEAK select DEBUG_FS if SYSFS select STACKTRACE if STACKTRACE_SUPPORT select KALLSYMS + select CRC32 help Say Y here if you want to enable the memory leak detector. The memory allocation/freeing is traced in a way diff --git a/lib/decompress_bunzip2.c b/lib/decompress_bunzip2.c index 76074209f9a..a4e971dee10 100644 --- a/lib/decompress_bunzip2.c +++ b/lib/decompress_bunzip2.c @@ -637,6 +637,8 @@ static int INIT start_bunzip(struct bunzip_data **bdp, void *inbuf, int len, /* Allocate bunzip_data. Most fields initialize to zero. */ bd = *bdp = malloc(i); + if (!bd) + return RETVAL_OUT_OF_MEMORY; memset(bd, 0, sizeof(struct bunzip_data)); /* Setup input buffer */ bd->inbuf = inbuf; @@ -664,6 +666,8 @@ static int INIT start_bunzip(struct bunzip_data **bdp, void *inbuf, int len, bd->dbufSize = 100000*(i-BZh0); bd->dbuf = large_malloc(bd->dbufSize * sizeof(int)); + if (!bd->dbuf) + return RETVAL_OUT_OF_MEMORY; return RETVAL_OK; } @@ -686,7 +690,7 @@ STATIC int INIT bunzip2(unsigned char *buf, int len, if (!outbuf) { error("Could not allocate output bufer"); - return -1; + return RETVAL_OUT_OF_MEMORY; } if (buf) inbuf = buf; @@ -694,6 +698,7 @@ STATIC int INIT bunzip2(unsigned char *buf, int len, inbuf = malloc(BZIP2_IOBUF_SIZE); if (!inbuf) { error("Could not allocate input bufer"); + i = RETVAL_OUT_OF_MEMORY; goto exit_0; } i = start_bunzip(&bd, inbuf, len, fill); @@ -720,11 +725,14 @@ STATIC int INIT bunzip2(unsigned char *buf, int len, } else if (i == RETVAL_UNEXPECTED_OUTPUT_EOF) { error("Compressed file ends unexpectedly"); } + if (!bd) + goto exit_1; if (bd->dbuf) large_free(bd->dbuf); if (pos) *pos = bd->inbufPos; free(bd); +exit_1: if (!buf) free(inbuf); exit_0: diff --git a/lib/vsprintf.c b/lib/vsprintf.c index 735343fc857..d4996cf46eb 100644 --- a/lib/vsprintf.c +++ b/lib/vsprintf.c @@ -1179,7 +1179,18 @@ qualifier: * %ps output the name of a text symbol without offset * %pF output the name of a function pointer with its offset * %pf output the name of a function pointer without its offset - * %pR output the address range in a struct resource + * %pR output the address range in a struct resource with decoded flags + * %pr output the address range in a struct resource with raw flags + * %pM output a 6-byte MAC address with colons + * %pm output a 6-byte MAC address without colons + * %pI4 print an IPv4 address without leading zeros + * %pi4 print an IPv4 address with leading zeros + * %pI6 print an IPv6 address with colons + * %pi6 print an IPv6 address without colons + * %pI6c print an IPv6 address as specified by + * http://www.ietf.org/id/draft-kawamura-ipv6-text-representation-03.txt + * %pU[bBlL] print a UUID/GUID in big or little endian using lower or upper + * case. * %n is ignored * * The return value is the number of characters which would diff --git a/mm/Kconfig b/mm/Kconfig index 43ea8c3a2bb..ee9f3e0f2b6 100644 --- a/mm/Kconfig +++ b/mm/Kconfig @@ -221,6 +221,7 @@ config KSM config DEFAULT_MMAP_MIN_ADDR int "Low address space to protect from user allocation" + depends on MMU default 4096 help This is the portion of low virtual memory which should be protected diff --git a/mm/kmemleak.c b/mm/kmemleak.c index 13f33b3081e..5b069e4f5e4 100644 --- a/mm/kmemleak.c +++ b/mm/kmemleak.c @@ -93,6 +93,7 @@ #include <linux/nodemask.h> #include <linux/mm.h> #include <linux/workqueue.h> +#include <linux/crc32.h> #include <asm/sections.h> #include <asm/processor.h> @@ -108,7 +109,6 @@ #define MSECS_MIN_AGE 5000 /* minimum object age for reporting */ #define SECS_FIRST_SCAN 60 /* delay before the first scan */ #define SECS_SCAN_WAIT 600 /* subsequent auto scanning delay */ -#define GRAY_LIST_PASSES 25 /* maximum number of gray list scans */ #define MAX_SCAN_SIZE 4096 /* maximum size of a scanned block */ #define BYTES_PER_POINTER sizeof(void *) @@ -119,8 +119,8 @@ /* scanning area inside a memory block */ struct kmemleak_scan_area { struct hlist_node node; - unsigned long offset; - size_t length; + unsigned long start; + size_t size; }; #define KMEMLEAK_GREY 0 @@ -149,6 +149,8 @@ struct kmemleak_object { int min_count; /* the total number of pointers found pointing to this object */ int count; + /* checksum for detecting modified objects */ + u32 checksum; /* memory ranges to be scanned inside an object (empty for all) */ struct hlist_head area_list; unsigned long trace[MAX_TRACE]; @@ -164,8 +166,6 @@ struct kmemleak_object { #define OBJECT_REPORTED (1 << 1) /* flag set to not scan the object */ #define OBJECT_NO_SCAN (1 << 2) -/* flag set on newly allocated objects */ -#define OBJECT_NEW (1 << 3) /* number of bytes to print per line; must be 16 or 32 */ #define HEX_ROW_SIZE 16 @@ -241,8 +241,6 @@ struct early_log { const void *ptr; /* allocated/freed memory block */ size_t size; /* memory block size */ int min_count; /* minimum reference count */ - unsigned long offset; /* scan area offset */ - size_t length; /* scan area length */ unsigned long trace[MAX_TRACE]; /* stack trace */ unsigned int trace_len; /* stack trace length */ }; @@ -323,11 +321,6 @@ static bool color_gray(const struct kmemleak_object *object) object->count >= object->min_count; } -static bool color_black(const struct kmemleak_object *object) -{ - return object->min_count == KMEMLEAK_BLACK; -} - /* * Objects are considered unreferenced only if their color is white, they have * not be deleted and have a minimum age to avoid false positives caused by @@ -335,7 +328,7 @@ static bool color_black(const struct kmemleak_object *object) */ static bool unreferenced_object(struct kmemleak_object *object) { - return (object->flags & OBJECT_ALLOCATED) && color_white(object) && + return (color_white(object) && object->flags & OBJECT_ALLOCATED) && time_before_eq(object->jiffies + jiffies_min_age, jiffies_last_scan); } @@ -348,11 +341,13 @@ static void print_unreferenced(struct seq_file *seq, struct kmemleak_object *object) { int i; + unsigned int msecs_age = jiffies_to_msecs(jiffies - object->jiffies); seq_printf(seq, "unreferenced object 0x%08lx (size %zu):\n", object->pointer, object->size); - seq_printf(seq, " comm \"%s\", pid %d, jiffies %lu\n", - object->comm, object->pid, object->jiffies); + seq_printf(seq, " comm \"%s\", pid %d, jiffies %lu (age %d.%03ds)\n", + object->comm, object->pid, object->jiffies, + msecs_age / 1000, msecs_age % 1000); hex_dump_object(seq, object); seq_printf(seq, " backtrace:\n"); @@ -381,6 +376,7 @@ static void dump_object_info(struct kmemleak_object *object) pr_notice(" min_count = %d\n", object->min_count); pr_notice(" count = %d\n", object->count); pr_notice(" flags = 0x%lx\n", object->flags); + pr_notice(" checksum = %d\n", object->checksum); pr_notice(" backtrace:\n"); print_stack_trace(&trace, 4); } @@ -522,12 +518,13 @@ static struct kmemleak_object *create_object(unsigned long ptr, size_t size, INIT_HLIST_HEAD(&object->area_list); spin_lock_init(&object->lock); atomic_set(&object->use_count, 1); - object->flags = OBJECT_ALLOCATED | OBJECT_NEW; + object->flags = OBJECT_ALLOCATED; object->pointer = ptr; object->size = size; object->min_count = min_count; - object->count = -1; /* no color initially */ + object->count = 0; /* white color initially */ object->jiffies = jiffies; + object->checksum = 0; /* task information */ if (in_irq()) { @@ -720,14 +717,13 @@ static void make_black_object(unsigned long ptr) * Add a scanning area to the object. If at least one such area is added, * kmemleak will only scan these ranges rather than the whole memory block. */ -static void add_scan_area(unsigned long ptr, unsigned long offset, - size_t length, gfp_t gfp) +static void add_scan_area(unsigned long ptr, size_t size, gfp_t gfp) { unsigned long flags; struct kmemleak_object *object; struct kmemleak_scan_area *area; - object = find_and_get_object(ptr, 0); + object = find_and_get_object(ptr, 1); if (!object) { kmemleak_warn("Adding scan area to unknown object at 0x%08lx\n", ptr); @@ -741,7 +737,7 @@ static void add_scan_area(unsigned long ptr, unsigned long offset, } spin_lock_irqsave(&object->lock, flags); - if (offset + length > object->size) { + if (ptr + size > object->pointer + object->size) { kmemleak_warn("Scan area larger than object 0x%08lx\n", ptr); dump_object_info(object); kmem_cache_free(scan_area_cache, area); @@ -749,8 +745,8 @@ static void add_scan_area(unsigned long ptr, unsigned long offset, } INIT_HLIST_NODE(&area->node); - area->offset = offset; - area->length = length; + area->start = ptr; + area->size = size; hlist_add_head(&area->node, &object->area_list); out_unlock: @@ -786,7 +782,7 @@ static void object_no_scan(unsigned long ptr) * processed later once kmemleak is fully initialized. */ static void __init log_early(int op_type, const void *ptr, size_t size, - int min_count, unsigned long offset, size_t length) + int min_count) { unsigned long flags; struct early_log *log; @@ -808,8 +804,6 @@ static void __init log_early(int op_type, const void *ptr, size_t size, log->ptr = ptr; log->size = size; log->min_count = min_count; - log->offset = offset; - log->length = length; if (op_type == KMEMLEAK_ALLOC) log->trace_len = __save_stack_trace(log->trace); crt_early_log++; @@ -858,7 +852,7 @@ void __ref kmemleak_alloc(const void *ptr, size_t size, int min_count, if (atomic_read(&kmemleak_enabled) && ptr && !IS_ERR(ptr)) create_object((unsigned long)ptr, size, min_count, gfp); else if (atomic_read(&kmemleak_early_log)) - log_early(KMEMLEAK_ALLOC, ptr, size, min_count, 0, 0); + log_early(KMEMLEAK_ALLOC, ptr, size, min_count); } EXPORT_SYMBOL_GPL(kmemleak_alloc); @@ -873,7 +867,7 @@ void __ref kmemleak_free(const void *ptr) if (atomic_read(&kmemleak_enabled) && ptr && !IS_ERR(ptr)) delete_object_full((unsigned long)ptr); else if (atomic_read(&kmemleak_early_log)) - log_early(KMEMLEAK_FREE, ptr, 0, 0, 0, 0); + log_early(KMEMLEAK_FREE, ptr, 0, 0); } EXPORT_SYMBOL_GPL(kmemleak_free); @@ -888,7 +882,7 @@ void __ref kmemleak_free_part(const void *ptr, size_t size) if (atomic_read(&kmemleak_enabled) && ptr && !IS_ERR(ptr)) delete_object_part((unsigned long)ptr, size); else if (atomic_read(&kmemleak_early_log)) - log_early(KMEMLEAK_FREE_PART, ptr, size, 0, 0, 0); + log_early(KMEMLEAK_FREE_PART, ptr, size, 0); } EXPORT_SYMBOL_GPL(kmemleak_free_part); @@ -903,7 +897,7 @@ void __ref kmemleak_not_leak(const void *ptr) if (atomic_read(&kmemleak_enabled) && ptr && !IS_ERR(ptr)) make_gray_object((unsigned long)ptr); else if (atomic_read(&kmemleak_early_log)) - log_early(KMEMLEAK_NOT_LEAK, ptr, 0, 0, 0, 0); + log_early(KMEMLEAK_NOT_LEAK, ptr, 0, 0); } EXPORT_SYMBOL(kmemleak_not_leak); @@ -919,22 +913,21 @@ void __ref kmemleak_ignore(const void *ptr) if (atomic_read(&kmemleak_enabled) && ptr && !IS_ERR(ptr)) make_black_object((unsigned long)ptr); else if (atomic_read(&kmemleak_early_log)) - log_early(KMEMLEAK_IGNORE, ptr, 0, 0, 0, 0); + log_early(KMEMLEAK_IGNORE, ptr, 0, 0); } EXPORT_SYMBOL(kmemleak_ignore); /* * Limit the range to be scanned in an allocated memory block. */ -void __ref kmemleak_scan_area(const void *ptr, unsigned long offset, - size_t length, gfp_t gfp) +void __ref kmemleak_scan_area(const void *ptr, size_t size, gfp_t gfp) { pr_debug("%s(0x%p)\n", __func__, ptr); if (atomic_read(&kmemleak_enabled) && ptr && !IS_ERR(ptr)) - add_scan_area((unsigned long)ptr, offset, length, gfp); + add_scan_area((unsigned long)ptr, size, gfp); else if (atomic_read(&kmemleak_early_log)) - log_early(KMEMLEAK_SCAN_AREA, ptr, 0, 0, offset, length); + log_early(KMEMLEAK_SCAN_AREA, ptr, size, 0); } EXPORT_SYMBOL(kmemleak_scan_area); @@ -948,11 +941,25 @@ void __ref kmemleak_no_scan(const void *ptr) if (atomic_read(&kmemleak_enabled) && ptr && !IS_ERR(ptr)) object_no_scan((unsigned long)ptr); else if (atomic_read(&kmemleak_early_log)) - log_early(KMEMLEAK_NO_SCAN, ptr, 0, 0, 0, 0); + log_early(KMEMLEAK_NO_SCAN, ptr, 0, 0); } EXPORT_SYMBOL(kmemleak_no_scan); /* + * Update an object's checksum and return true if it was modified. + */ +static bool update_checksum(struct kmemleak_object *object) +{ + u32 old_csum = object->checksum; + + if (!kmemcheck_is_obj_initialized(object->pointer, object->size)) + return false; + + object->checksum = crc32(0, (void *)object->pointer, object->size); + return object->checksum != old_csum; +} + +/* * Memory scanning is a long process and it needs to be interruptable. This * function checks whether such interrupt condition occured. */ @@ -1031,11 +1038,14 @@ static void scan_block(void *_start, void *_end, * added to the gray_list. */ object->count++; - if (color_gray(object)) + if (color_gray(object)) { list_add_tail(&object->gray_list, &gray_list); - else - put_object(object); + spin_unlock_irqrestore(&object->lock, flags); + continue; + } + spin_unlock_irqrestore(&object->lock, flags); + put_object(object); } } @@ -1075,14 +1085,47 @@ static void scan_object(struct kmemleak_object *object) } } else hlist_for_each_entry(area, elem, &object->area_list, node) - scan_block((void *)(object->pointer + area->offset), - (void *)(object->pointer + area->offset - + area->length), object, 0); + scan_block((void *)area->start, + (void *)(area->start + area->size), + object, 0); out: spin_unlock_irqrestore(&object->lock, flags); } /* + * Scan the objects already referenced (gray objects). More objects will be + * referenced and, if there are no memory leaks, all the objects are scanned. + */ +static void scan_gray_list(void) +{ + struct kmemleak_object *object, *tmp; + + /* + * The list traversal is safe for both tail additions and removals + * from inside the loop. The kmemleak objects cannot be freed from + * outside the loop because their use_count was incremented. + */ + object = list_entry(gray_list.next, typeof(*object), gray_list); + while (&object->gray_list != &gray_list) { + cond_resched(); + + /* may add new objects to the list */ + if (!scan_should_stop()) + scan_object(object); + + tmp = list_entry(object->gray_list.next, typeof(*object), + gray_list); + + /* remove the object from the list and release it */ + list_del(&object->gray_list); + put_object(object); + + object = tmp; + } + WARN_ON(!list_empty(&gray_list)); +} + +/* * Scan data sections and all the referenced memory blocks allocated via the * kernel's standard allocators. This function must be called with the * scan_mutex held. @@ -1090,10 +1133,9 @@ out: static void kmemleak_scan(void) { unsigned long flags; - struct kmemleak_object *object, *tmp; + struct kmemleak_object *object; int i; int new_leaks = 0; - int gray_list_pass = 0; jiffies_last_scan = jiffies; @@ -1114,7 +1156,6 @@ static void kmemleak_scan(void) #endif /* reset the reference count (whiten the object) */ object->count = 0; - object->flags &= ~OBJECT_NEW; if (color_gray(object) && get_object(object)) list_add_tail(&object->gray_list, &gray_list); @@ -1172,62 +1213,36 @@ static void kmemleak_scan(void) /* * Scan the objects already referenced from the sections scanned - * above. More objects will be referenced and, if there are no memory - * leaks, all the objects will be scanned. The list traversal is safe - * for both tail additions and removals from inside the loop. The - * kmemleak objects cannot be freed from outside the loop because their - * use_count was increased. + * above. */ -repeat: - object = list_entry(gray_list.next, typeof(*object), gray_list); - while (&object->gray_list != &gray_list) { - cond_resched(); - - /* may add new objects to the list */ - if (!scan_should_stop()) - scan_object(object); - - tmp = list_entry(object->gray_list.next, typeof(*object), - gray_list); - - /* remove the object from the list and release it */ - list_del(&object->gray_list); - put_object(object); - - object = tmp; - } - - if (scan_should_stop() || ++gray_list_pass >= GRAY_LIST_PASSES) - goto scan_end; + scan_gray_list(); /* - * Check for new objects allocated during this scanning and add them - * to the gray list. + * Check for new or unreferenced objects modified since the previous + * scan and color them gray until the next scan. */ rcu_read_lock(); list_for_each_entry_rcu(object, &object_list, object_list) { spin_lock_irqsave(&object->lock, flags); - if ((object->flags & OBJECT_NEW) && !color_black(object) && - get_object(object)) { - object->flags &= ~OBJECT_NEW; + if (color_white(object) && (object->flags & OBJECT_ALLOCATED) + && update_checksum(object) && get_object(object)) { + /* color it gray temporarily */ + object->count = object->min_count; list_add_tail(&object->gray_list, &gray_list); } spin_unlock_irqrestore(&object->lock, flags); } rcu_read_unlock(); - if (!list_empty(&gray_list)) - goto repeat; - -scan_end: - WARN_ON(!list_empty(&gray_list)); + /* + * Re-scan the gray list for modified unreferenced objects. + */ + scan_gray_list(); /* - * If scanning was stopped or new objects were being allocated at a - * higher rate than gray list scanning, do not report any new - * unreferenced objects. + * If scanning was stopped do not report any new unreferenced objects. */ - if (scan_should_stop() || gray_list_pass >= GRAY_LIST_PASSES) + if (scan_should_stop()) return; /* @@ -1642,8 +1657,7 @@ void __init kmemleak_init(void) kmemleak_ignore(log->ptr); break; case KMEMLEAK_SCAN_AREA: - kmemleak_scan_area(log->ptr, log->offset, log->length, - GFP_KERNEL); + kmemleak_scan_area(log->ptr, log->size, GFP_KERNEL); break; case KMEMLEAK_NO_SCAN: kmemleak_no_scan(log->ptr); diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 74af449b1f1..4e869657cb5 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -3579,7 +3579,7 @@ static unsigned long __meminit zone_spanned_pages_in_node(int nid, * Return the number of holes in a range on a node. If nid is MAX_NUMNODES, * then all holes in the requested range will be accounted for. */ -static unsigned long __meminit __absent_pages_in_range(int nid, +unsigned long __meminit __absent_pages_in_range(int nid, unsigned long range_start_pfn, unsigned long range_end_pfn) { @@ -4108,7 +4108,7 @@ static int __init cmp_node_active_region(const void *a, const void *b) } /* sort the node_map by start_pfn */ -static void __init sort_node_map(void) +void __init sort_node_map(void) { sort(early_node_map, (size_t)nr_nodemap_entries, sizeof(struct node_active_region), diff --git a/mm/readahead.c b/mm/readahead.c index aa1aa234523..033bc135a41 100644 --- a/mm/readahead.c +++ b/mm/readahead.c @@ -547,5 +547,17 @@ page_cache_async_readahead(struct address_space *mapping, /* do read-ahead */ ondemand_readahead(mapping, ra, filp, true, offset, req_size); + +#ifdef CONFIG_BLOCK + /* + * Normally the current page is !uptodate and lock_page() will be + * immediately called to implicitly unplug the device. However this + * is not always true for RAID conifgurations, where data arrives + * not strictly in their submission order. In this case we need to + * explicitly kick off the IO. + */ + if (PageUptodate(page)) + blk_run_backing_dev(mapping->backing_dev_info, NULL); +#endif } EXPORT_SYMBOL_GPL(page_cache_async_readahead); diff --git a/mm/slab.c b/mm/slab.c index 3f4822938f4..7d41f15b48d 100644 --- a/mm/slab.c +++ b/mm/slab.c @@ -1132,7 +1132,7 @@ static void __cpuinit cpuup_canceled(long cpu) if (nc) free_block(cachep, nc->entry, nc->avail, node); - if (!cpus_empty(*mask)) { + if (!cpumask_empty(mask)) { spin_unlock_irq(&l3->list_lock); goto free_array_cache; } @@ -2275,9 +2275,11 @@ kmem_cache_create (const char *name, size_t size, size_t align, /* * Determine if the slab management is 'on' or 'off' slab. * (bootstrapping cannot cope with offslab caches so don't do - * it too early on.) + * it too early on. Always use on-slab management when + * SLAB_NOLEAKTRACE to avoid recursive calls into kmemleak) */ - if ((size >= (PAGE_SIZE >> 3)) && !slab_early_init) + if ((size >= (PAGE_SIZE >> 3)) && !slab_early_init && + !(flags & SLAB_NOLEAKTRACE)) /* * Size is large, assume best to place the slab management obj * off-slab (should allow better packing of objs). @@ -2596,8 +2598,8 @@ static struct slab *alloc_slabmgmt(struct kmem_cache *cachep, void *objp, * kmemleak does not treat the ->s_mem pointer as a reference * to the object. Otherwise we will not report the leak. */ - kmemleak_scan_area(slabp, offsetof(struct slab, list), - sizeof(struct list_head), local_flags); + kmemleak_scan_area(&slabp->list, sizeof(struct list_head), + local_flags); if (!slabp) return NULL; } else { diff --git a/net/socket.c b/net/socket.c index dbfdfa96d29..769c386bd42 100644 --- a/net/socket.c +++ b/net/socket.c @@ -312,18 +312,6 @@ static struct file_system_type sock_fs_type = { .kill_sb = kill_anon_super, }; -static int sockfs_delete_dentry(struct dentry *dentry) -{ - /* - * At creation time, we pretended this dentry was hashed - * (by clearing DCACHE_UNHASHED bit in d_flags) - * At delete time, we restore the truth : not hashed. - * (so that dput() can proceed correctly) - */ - dentry->d_flags |= DCACHE_UNHASHED; - return 0; -} - /* * sockfs_dname() is called from d_path(). */ @@ -334,7 +322,6 @@ static char *sockfs_dname(struct dentry *dentry, char *buffer, int buflen) } static const struct dentry_operations sockfs_dentry_operations = { - .d_delete = sockfs_delete_dentry, .d_dname = sockfs_dname, }; @@ -374,12 +361,6 @@ static int sock_alloc_file(struct socket *sock, struct file **f, int flags) path.mnt = mntget(sock_mnt); path.dentry->d_op = &sockfs_dentry_operations; - /* - * We dont want to push this dentry into global dentry hash table. - * We pretend dentry is already hashed, by unsetting DCACHE_UNHASHED - * This permits a working /proc/$pid/fd/XXX on sockets - */ - path.dentry->d_flags &= ~DCACHE_UNHASHED; d_instantiate(path.dentry, SOCK_INODE(sock)); SOCK_INODE(sock)->i_fop = &socket_file_ops; diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include index c67e73ecd5b..ed2773edfe7 100644 --- a/scripts/Kbuild.include +++ b/scripts/Kbuild.include @@ -149,6 +149,12 @@ ld-option = $(call try-run,\ # $(Q)$(MAKE) $(build)=dir build := -f $(if $(KBUILD_SRC),$(srctree)/)scripts/Makefile.build obj +### +# Shorthand for $(Q)$(MAKE) -f scripts/Makefile.modbuiltin obj= +# Usage: +# $(Q)$(MAKE) $(modbuiltin)=dir +modbuiltin := -f $(if $(KBUILD_SRC),$(srctree)/)scripts/Makefile.modbuiltin obj + # Prefix -I with $(srctree) if it is not an absolute path. # skip if -I has no parameter addtree = $(if $(patsubst -I%,%,$(1)), \ diff --git a/scripts/Makefile.build b/scripts/Makefile.build index 341b58902ff..0b94d2fa3a8 100644 --- a/scripts/Makefile.build +++ b/scripts/Makefile.build @@ -207,6 +207,7 @@ endif ifdef CONFIG_FTRACE_MCOUNT_RECORD cmd_record_mcount = set -e ; perl $(srctree)/scripts/recordmcount.pl "$(ARCH)" \ + "$(if $(CONFIG_CPU_BIG_ENDIAN),big,little)" \ "$(if $(CONFIG_64BIT),64,32)" \ "$(OBJDUMP)" "$(OBJCOPY)" "$(CC)" "$(LD)" "$(NM)" "$(RM)" "$(MV)" \ "$(if $(part-of-module),1,0)" "$(@)"; diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib index 224d85e72ef..cd815ac2a50 100644 --- a/scripts/Makefile.lib +++ b/scripts/Makefile.lib @@ -213,7 +213,7 @@ cmd_gzip = (cat $(filter-out FORCE,$^) | gzip -f -9 > $@) || \ # Bzip2 and LZMA do not include size in file... so we have to fake that; # append the size as a 32-bit littleendian number as gzip does. -size_append = /bin/echo -ne $(shell \ +size_append = printf $(shell \ dec_size=0; \ for F in $1; do \ fsize=$$(stat -c "%s" $$F); \ diff --git a/scripts/Makefile.modbuiltin b/scripts/Makefile.modbuiltin new file mode 100644 index 00000000000..102a276f6ee --- /dev/null +++ b/scripts/Makefile.modbuiltin @@ -0,0 +1,55 @@ +# ========================================================================== +# Generating modules.builtin +# ========================================================================== + +src := $(obj) + +PHONY := __modbuiltin +__modbuiltin: + +-include include/config/auto.conf +# tristate.conf sets tristate variables to uppercase 'Y' or 'M' +# That way, we get the list of built-in modules in obj-Y +-include include/config/tristate.conf + +include scripts/Kbuild.include + +# The filename Kbuild has precedence over Makefile +kbuild-dir := $(if $(filter /%,$(src)),$(src),$(srctree)/$(src)) +kbuild-file := $(if $(wildcard $(kbuild-dir)/Kbuild),$(kbuild-dir)/Kbuild,$(kbuild-dir)/Makefile) +include $(kbuild-file) + +include scripts/Makefile.lib +__subdir-Y := $(patsubst %/,%,$(filter %/, $(obj-Y))) +subdir-Y += $(__subdir-Y) +subdir-ym := $(sort $(subdir-y) $(subdir-Y) $(subdir-m)) +subdir-ym := $(addprefix $(obj)/,$(subdir-ym)) +obj-Y := $(addprefix $(obj)/,$(obj-Y)) + +modbuiltin-subdirs := $(patsubst %,%/modules.builtin, $(subdir-ym)) +modbuiltin-mods := $(filter %.ko, $(obj-Y:.o=.ko)) +modbuiltin-target := $(obj)/modules.builtin + +__modbuiltin: $(modbuiltin-target) $(subdir-ym) + @: + +$(modbuiltin-target): $(subdir-ym) FORCE + $(Q)(for m in $(modbuiltin-mods); do echo kernel/$$m; done; \ + cat /dev/null $(modbuiltin-subdirs)) > $@ + +PHONY += FORCE + +FORCE: + +# Descending +# --------------------------------------------------------------------------- + +PHONY += $(subdir-ym) +$(subdir-ym): + $(Q)$(MAKE) $(modbuiltin)=$@ + + +# Declare the contents of the .PHONY variable as phony. We keep that +# information in a variable se we can use it in if_changed and friends. + +.PHONY: $(PHONY) diff --git a/scripts/basic/fixdep.c b/scripts/basic/fixdep.c index 6bf21f83837..ea26b23de08 100644 --- a/scripts/basic/fixdep.c +++ b/scripts/basic/fixdep.c @@ -16,15 +16,15 @@ * tells make when to remake a file. * * To use this list as-is however has the drawback that virtually - * every file in the kernel includes <linux/autoconf.h>. + * every file in the kernel includes autoconf.h. * - * If the user re-runs make *config, linux/autoconf.h will be + * If the user re-runs make *config, autoconf.h will be * regenerated. make notices that and will rebuild every file which * includes autoconf.h, i.e. basically all files. This is extremely * annoying if the user just changed CONFIG_HIS_DRIVER from n to m. * * So we play the same trick that "mkdep" played before. We replace - * the dependency on linux/autoconf.h by a dependency on every config + * the dependency on autoconf.h by a dependency on every config * option which is mentioned in any of the listed prequisites. * * kconfig populates a tree in include/config/ with an empty file @@ -73,7 +73,7 @@ * cmd_<target> = <cmdline> * * and then basically copies the .<target>.d file to stdout, in the - * process filtering out the dependency on linux/autoconf.h and adding + * process filtering out the dependency on autoconf.h and adding * dependencies on include/config/my/option.h for every * CONFIG_MY_OPTION encountered in any of the prequisites. * @@ -324,7 +324,7 @@ static void parse_dep_file(void *map, size_t len) p++; } memcpy(s, m, p-m); s[p-m] = 0; - if (strrcmp(s, "include/linux/autoconf.h") && + if (strrcmp(s, "include/generated/autoconf.h") && strrcmp(s, "arch/um/include/uml-config.h") && strrcmp(s, ".ver")) { printf(" %s \\\n", s); diff --git a/scripts/genksyms/keywords.c_shipped b/scripts/genksyms/keywords.c_shipped index 287467a2e8c..8060e06798b 100644 --- a/scripts/genksyms/keywords.c_shipped +++ b/scripts/genksyms/keywords.c_shipped @@ -1,4 +1,4 @@ -/* ANSI-C code produced by gperf version 3.0.3 */ +/* ANSI-C code produced by gperf version 3.0.4 */ /* Command-line: gperf -L ANSI-C -a -C -E -g -H is_reserved_hash -k '1,3,$' -N is_reserved_word -p -t scripts/genksyms/keywords.gperf */ #if !((' ' == 32) && ('!' == 33) && ('"' == 34) && ('#' == 35) \ @@ -34,7 +34,7 @@ struct resword; static const struct resword *is_reserved_word(register const char *str, register unsigned int len); #line 5 "scripts/genksyms/keywords.gperf" struct resword { const char *name; int token; }; -/* maximum key range = 62, duplicates = 0 */ +/* maximum key range = 64, duplicates = 0 */ #ifdef __GNUC__ __inline @@ -48,39 +48,39 @@ is_reserved_hash (register const char *str, register unsigned int len) { static const unsigned char asso_values[] = { - 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, - 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, - 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, - 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, - 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, - 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, - 65, 65, 65, 65, 65, 65, 65, 65, 65, 5, - 65, 65, 65, 65, 65, 65, 35, 65, 65, 65, - 0, 65, 65, 65, 65, 65, 65, 65, 65, 65, - 65, 65, 65, 65, 65, 0, 65, 0, 65, 5, - 20, 15, 10, 30, 65, 15, 65, 65, 20, 0, - 10, 35, 20, 65, 10, 5, 0, 10, 5, 65, - 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, - 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, - 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, - 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, - 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, - 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, - 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, - 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, - 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, - 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, - 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, - 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, - 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, - 65, 65, 65, 65, 65, 65 + 67, 67, 67, 67, 67, 67, 67, 67, 67, 67, + 67, 67, 67, 67, 67, 67, 67, 67, 67, 67, + 67, 67, 67, 67, 67, 67, 67, 67, 67, 67, + 67, 67, 67, 67, 67, 67, 67, 67, 67, 67, + 67, 67, 67, 67, 67, 67, 67, 67, 67, 67, + 67, 67, 67, 67, 67, 67, 67, 67, 67, 67, + 67, 67, 67, 67, 67, 67, 67, 67, 67, 0, + 67, 67, 67, 67, 67, 67, 15, 67, 67, 67, + 0, 67, 67, 67, 67, 67, 67, 67, 67, 67, + 67, 67, 67, 67, 67, 0, 67, 0, 67, 5, + 25, 20, 15, 30, 67, 15, 67, 67, 10, 0, + 10, 40, 20, 67, 10, 5, 0, 10, 15, 67, + 67, 67, 67, 67, 67, 67, 67, 67, 67, 67, + 67, 67, 67, 67, 67, 67, 67, 67, 67, 67, + 67, 67, 67, 67, 67, 67, 67, 67, 67, 67, + 67, 67, 67, 67, 67, 67, 67, 67, 67, 67, + 67, 67, 67, 67, 67, 67, 67, 67, 67, 67, + 67, 67, 67, 67, 67, 67, 67, 67, 67, 67, + 67, 67, 67, 67, 67, 67, 67, 67, 67, 67, + 67, 67, 67, 67, 67, 67, 67, 67, 67, 67, + 67, 67, 67, 67, 67, 67, 67, 67, 67, 67, + 67, 67, 67, 67, 67, 67, 67, 67, 67, 67, + 67, 67, 67, 67, 67, 67, 67, 67, 67, 67, + 67, 67, 67, 67, 67, 67, 67, 67, 67, 67, + 67, 67, 67, 67, 67, 67, 67, 67, 67, 67, + 67, 67, 67, 67, 67, 67 }; return len + asso_values[(unsigned char)str[2]] + asso_values[(unsigned char)str[0]] + asso_values[(unsigned char)str[len - 1]]; } #ifdef __GNUC__ __inline -#ifdef __GNUC_STDC_INLINE__ +#if defined __GNUC_STDC_INLINE__ || defined __GNUC_GNU_INLINE__ __attribute__ ((__gnu_inline__)) #endif #endif @@ -89,116 +89,119 @@ is_reserved_word (register const char *str, register unsigned int len) { enum { - TOTAL_KEYWORDS = 43, + TOTAL_KEYWORDS = 45, MIN_WORD_LENGTH = 3, MAX_WORD_LENGTH = 24, MIN_HASH_VALUE = 3, - MAX_HASH_VALUE = 64 + MAX_HASH_VALUE = 66 }; static const struct resword wordlist[] = { {""}, {""}, {""}, -#line 28 "scripts/genksyms/keywords.gperf" +#line 30 "scripts/genksyms/keywords.gperf" {"asm", ASM_KEYW}, {""}, -#line 10 "scripts/genksyms/keywords.gperf" +#line 12 "scripts/genksyms/keywords.gperf" {"__asm", ASM_KEYW}, {""}, -#line 11 "scripts/genksyms/keywords.gperf" +#line 13 "scripts/genksyms/keywords.gperf" {"__asm__", ASM_KEYW}, {""}, {""}, -#line 54 "scripts/genksyms/keywords.gperf" +#line 56 "scripts/genksyms/keywords.gperf" {"__typeof__", TYPEOF_KEYW}, {""}, -#line 14 "scripts/genksyms/keywords.gperf" +#line 16 "scripts/genksyms/keywords.gperf" {"__const", CONST_KEYW}, -#line 13 "scripts/genksyms/keywords.gperf" - {"__attribute__", ATTRIBUTE_KEYW}, #line 15 "scripts/genksyms/keywords.gperf" + {"__attribute__", ATTRIBUTE_KEYW}, +#line 17 "scripts/genksyms/keywords.gperf" {"__const__", CONST_KEYW}, -#line 20 "scripts/genksyms/keywords.gperf" +#line 22 "scripts/genksyms/keywords.gperf" {"__signed__", SIGNED_KEYW}, -#line 46 "scripts/genksyms/keywords.gperf" +#line 48 "scripts/genksyms/keywords.gperf" {"static", STATIC_KEYW}, -#line 22 "scripts/genksyms/keywords.gperf" - {"__volatile__", VOLATILE_KEYW}, -#line 41 "scripts/genksyms/keywords.gperf" + {""}, +#line 43 "scripts/genksyms/keywords.gperf" {"int", INT_KEYW}, -#line 34 "scripts/genksyms/keywords.gperf" +#line 36 "scripts/genksyms/keywords.gperf" {"char", CHAR_KEYW}, -#line 35 "scripts/genksyms/keywords.gperf" +#line 37 "scripts/genksyms/keywords.gperf" {"const", CONST_KEYW}, -#line 47 "scripts/genksyms/keywords.gperf" +#line 49 "scripts/genksyms/keywords.gperf" {"struct", STRUCT_KEYW}, -#line 26 "scripts/genksyms/keywords.gperf" +#line 28 "scripts/genksyms/keywords.gperf" {"__restrict__", RESTRICT_KEYW}, -#line 27 "scripts/genksyms/keywords.gperf" +#line 29 "scripts/genksyms/keywords.gperf" {"restrict", RESTRICT_KEYW}, -#line 25 "scripts/genksyms/keywords.gperf" - {"_restrict", RESTRICT_KEYW}, -#line 18 "scripts/genksyms/keywords.gperf" +#line 9 "scripts/genksyms/keywords.gperf" + {"EXPORT_SYMBOL_GPL_FUTURE", EXPORT_SYMBOL_KEYW}, +#line 20 "scripts/genksyms/keywords.gperf" {"__inline__", INLINE_KEYW}, -#line 12 "scripts/genksyms/keywords.gperf" - {"__attribute", ATTRIBUTE_KEYW}, {""}, -#line 16 "scripts/genksyms/keywords.gperf" +#line 24 "scripts/genksyms/keywords.gperf" + {"__volatile__", VOLATILE_KEYW}, +#line 7 "scripts/genksyms/keywords.gperf" + {"EXPORT_SYMBOL", EXPORT_SYMBOL_KEYW}, +#line 27 "scripts/genksyms/keywords.gperf" + {"_restrict", RESTRICT_KEYW}, + {""}, +#line 14 "scripts/genksyms/keywords.gperf" + {"__attribute", ATTRIBUTE_KEYW}, +#line 8 "scripts/genksyms/keywords.gperf" + {"EXPORT_SYMBOL_GPL", EXPORT_SYMBOL_KEYW}, +#line 18 "scripts/genksyms/keywords.gperf" {"__extension__", EXTENSION_KEYW}, -#line 37 "scripts/genksyms/keywords.gperf" +#line 39 "scripts/genksyms/keywords.gperf" {"enum", ENUM_KEYW}, -#line 21 "scripts/genksyms/keywords.gperf" - {"__volatile", VOLATILE_KEYW}, -#line 38 "scripts/genksyms/keywords.gperf" +#line 10 "scripts/genksyms/keywords.gperf" + {"EXPORT_UNUSED_SYMBOL", EXPORT_SYMBOL_KEYW}, +#line 40 "scripts/genksyms/keywords.gperf" {"extern", EXTERN_KEYW}, {""}, -#line 19 "scripts/genksyms/keywords.gperf" +#line 21 "scripts/genksyms/keywords.gperf" {"__signed", SIGNED_KEYW}, -#line 9 "scripts/genksyms/keywords.gperf" - {"EXPORT_SYMBOL_GPL_FUTURE", EXPORT_SYMBOL_KEYW}, - {""}, -#line 53 "scripts/genksyms/keywords.gperf" +#line 11 "scripts/genksyms/keywords.gperf" + {"EXPORT_UNUSED_SYMBOL_GPL", EXPORT_SYMBOL_KEYW}, +#line 51 "scripts/genksyms/keywords.gperf" + {"union", UNION_KEYW}, +#line 55 "scripts/genksyms/keywords.gperf" {"typeof", TYPEOF_KEYW}, -#line 48 "scripts/genksyms/keywords.gperf" +#line 50 "scripts/genksyms/keywords.gperf" {"typedef", TYPEDEF_KEYW}, -#line 17 "scripts/genksyms/keywords.gperf" +#line 19 "scripts/genksyms/keywords.gperf" {"__inline", INLINE_KEYW}, -#line 33 "scripts/genksyms/keywords.gperf" +#line 35 "scripts/genksyms/keywords.gperf" {"auto", AUTO_KEYW}, -#line 49 "scripts/genksyms/keywords.gperf" - {"union", UNION_KEYW}, - {""}, {""}, -#line 50 "scripts/genksyms/keywords.gperf" - {"unsigned", UNSIGNED_KEYW}, -#line 51 "scripts/genksyms/keywords.gperf" - {"void", VOID_KEYW}, -#line 44 "scripts/genksyms/keywords.gperf" - {"short", SHORT_KEYW}, +#line 23 "scripts/genksyms/keywords.gperf" + {"__volatile", VOLATILE_KEYW}, {""}, {""}, #line 52 "scripts/genksyms/keywords.gperf" - {"volatile", VOLATILE_KEYW}, - {""}, -#line 39 "scripts/genksyms/keywords.gperf" - {"float", FLOAT_KEYW}, -#line 36 "scripts/genksyms/keywords.gperf" - {"double", DOUBLE_KEYW}, + {"unsigned", UNSIGNED_KEYW}, {""}, -#line 7 "scripts/genksyms/keywords.gperf" - {"EXPORT_SYMBOL", EXPORT_SYMBOL_KEYW}, - {""}, {""}, -#line 40 "scripts/genksyms/keywords.gperf" +#line 46 "scripts/genksyms/keywords.gperf" + {"short", SHORT_KEYW}, +#line 42 "scripts/genksyms/keywords.gperf" {"inline", INLINE_KEYW}, -#line 8 "scripts/genksyms/keywords.gperf" - {"EXPORT_SYMBOL_GPL", EXPORT_SYMBOL_KEYW}, -#line 43 "scripts/genksyms/keywords.gperf" - {"register", REGISTER_KEYW}, {""}, -#line 24 "scripts/genksyms/keywords.gperf" +#line 54 "scripts/genksyms/keywords.gperf" + {"volatile", VOLATILE_KEYW}, +#line 44 "scripts/genksyms/keywords.gperf" + {"long", LONG_KEYW}, +#line 26 "scripts/genksyms/keywords.gperf" {"_Bool", BOOL_KEYW}, -#line 45 "scripts/genksyms/keywords.gperf" - {"signed", SIGNED_KEYW}, {""}, {""}, -#line 42 "scripts/genksyms/keywords.gperf" - {"long", LONG_KEYW} +#line 45 "scripts/genksyms/keywords.gperf" + {"register", REGISTER_KEYW}, +#line 53 "scripts/genksyms/keywords.gperf" + {"void", VOID_KEYW}, +#line 41 "scripts/genksyms/keywords.gperf" + {"float", FLOAT_KEYW}, +#line 38 "scripts/genksyms/keywords.gperf" + {"double", DOUBLE_KEYW}, + {""}, {""}, {""}, {""}, +#line 47 "scripts/genksyms/keywords.gperf" + {"signed", SIGNED_KEYW} }; if (len <= MAX_WORD_LENGTH && len >= MIN_WORD_LENGTH) diff --git a/scripts/genksyms/keywords.gperf b/scripts/genksyms/keywords.gperf index 8fe977a4d57..e6349acb6f2 100644 --- a/scripts/genksyms/keywords.gperf +++ b/scripts/genksyms/keywords.gperf @@ -7,6 +7,8 @@ struct resword { const char *name; int token; } EXPORT_SYMBOL, EXPORT_SYMBOL_KEYW EXPORT_SYMBOL_GPL, EXPORT_SYMBOL_KEYW EXPORT_SYMBOL_GPL_FUTURE, EXPORT_SYMBOL_KEYW +EXPORT_UNUSED_SYMBOL, EXPORT_SYMBOL_KEYW +EXPORT_UNUSED_SYMBOL_GPL, EXPORT_SYMBOL_KEYW __asm, ASM_KEYW __asm__, ASM_KEYW __attribute, ATTRIBUTE_KEYW diff --git a/scripts/headers.sh b/scripts/headers.sh index 0308ecc10d5..1ddcdd38d97 100755 --- a/scripts/headers.sh +++ b/scripts/headers.sh @@ -8,8 +8,6 @@ do_command() { if [ -f ${srctree}/arch/$2/include/asm/Kbuild ]; then make ARCH=$2 KBUILD_HEADERS=$1 headers_$1 - elif [ -f ${srctree}/include/asm-$2/Kbuild ]; then - make ARCH=$2 KBUILD_HEADERS=$1 headers_$1 else printf "Ignoring arch: %s\n" ${arch} fi diff --git a/scripts/kconfig/Makefile b/scripts/kconfig/Makefile index 80599e3a799..999e8a7d5bf 100644 --- a/scripts/kconfig/Makefile +++ b/scripts/kconfig/Makefile @@ -27,6 +27,7 @@ oldconfig: $(obj)/conf $< -o $(Kconfig) silentoldconfig: $(obj)/conf + $(Q)mkdir -p include/generated $< -s $(Kconfig) localmodconfig: $(obj)/streamline_config.pl $(obj)/conf diff --git a/scripts/kconfig/confdata.c b/scripts/kconfig/confdata.c index b55e72ff2fc..c4dec80cfd8 100644 --- a/scripts/kconfig/confdata.c +++ b/scripts/kconfig/confdata.c @@ -677,7 +677,7 @@ int conf_write_autoconf(void) struct symbol *sym; const char *str; const char *name; - FILE *out, *out_h; + FILE *out, *tristate, *out_h; time_t now; int i, l; @@ -692,9 +692,16 @@ int conf_write_autoconf(void) if (!out) return 1; + tristate = fopen(".tmpconfig_tristate", "w"); + if (!tristate) { + fclose(out); + return 1; + } + out_h = fopen(".tmpconfig.h", "w"); if (!out_h) { fclose(out); + fclose(tristate); return 1; } @@ -707,6 +714,9 @@ int conf_write_autoconf(void) "# %s" "#\n", sym_get_string_value(sym), ctime(&now)); + fprintf(tristate, "#\n" + "# Automatically generated - do not edit\n" + "\n"); fprintf(out_h, "/*\n" " * Automatically generated C config: don't edit\n" " * Linux kernel version: %s\n" @@ -727,10 +737,14 @@ int conf_write_autoconf(void) break; case mod: fprintf(out, "CONFIG_%s=m\n", sym->name); + fprintf(tristate, "CONFIG_%s=M\n", sym->name); fprintf(out_h, "#define CONFIG_%s_MODULE 1\n", sym->name); break; case yes: fprintf(out, "CONFIG_%s=y\n", sym->name); + if (sym->type == S_TRISTATE) + fprintf(tristate, "CONFIG_%s=Y\n", + sym->name); fprintf(out_h, "#define CONFIG_%s 1\n", sym->name); break; } @@ -772,13 +786,19 @@ int conf_write_autoconf(void) } } fclose(out); + fclose(tristate); fclose(out_h); name = getenv("KCONFIG_AUTOHEADER"); if (!name) - name = "include/linux/autoconf.h"; + name = "include/generated/autoconf.h"; if (rename(".tmpconfig.h", name)) return 1; + name = getenv("KCONFIG_TRISTATE"); + if (!name) + name = "include/config/tristate.conf"; + if (rename(".tmpconfig_tristate", name)) + return 1; name = conf_get_autoconfig_name(); /* * This must be the last step, kbuild has a dependency on auto.conf diff --git a/scripts/mkcompile_h b/scripts/mkcompile_h index bce3d0fe6fb..23dbad80cce 100755 --- a/scripts/mkcompile_h +++ b/scripts/mkcompile_h @@ -14,7 +14,7 @@ vecho() { [ "${quiet}" = "silent_" ] || echo "$@" ; } # So "sudo make install" won't change the "compiled by <user>" # do "compiled by root" -if [ -r $TARGET -a ! -O include/linux/autoconf.h ]; then +if [ -r $TARGET -a ! -O include/generated/autoconf.h ]; then vecho " SKIPPED $TARGET" exit 0 fi diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c index 6c4ffc767b9..20923613467 100644 --- a/scripts/mod/modpost.c +++ b/scripts/mod/modpost.c @@ -15,7 +15,7 @@ #include <stdio.h> #include <ctype.h> #include "modpost.h" -#include "../../include/linux/autoconf.h" +#include "../../include/generated/autoconf.h" #include "../../include/linux/license.h" /* Some toolchains use a `_' prefix for all user symbols. */ diff --git a/scripts/package/Makefile b/scripts/package/Makefile index f67cc885c80..62fcc3a7f4d 100644 --- a/scripts/package/Makefile +++ b/scripts/package/Makefile @@ -77,9 +77,27 @@ clean-files += $(objtree)/binkernel.spec # Deb target # --------------------------------------------------------------------------- +quiet_cmd_builddeb = BUILDDEB + cmd_builddeb = set -e; \ + test `id -u` = 0 || \ + test -n "$(KBUILD_PKG_ROOTCMD)" || { \ + which fakeroot >/dev/null 2>&1 && \ + KBUILD_PKG_ROOTCMD="fakeroot -u"; \ + } || { \ + echo; \ + echo "builddeb must be run as root (or using fakeroot)."; \ + echo "KBUILD_PKG_ROOTCMD is unset and fakeroot not found."; \ + echo "Try setting KBUILD_PKG_ROOTCMD to a command to acquire"; \ + echo "root privileges (e.g., 'fakeroot -u' or 'sudo')."; \ + false; \ + } && \ + \ + $$KBUILD_PKG_ROOTCMD $(CONFIG_SHELL) \ + $(srctree)/scripts/package/builddeb + deb-pkg: FORCE $(MAKE) KBUILD_SRC= - $(CONFIG_SHELL) $(srctree)/scripts/package/builddeb + $(call cmd,builddeb) clean-dirs += $(objtree)/debian/ diff --git a/scripts/package/buildtar b/scripts/package/buildtar index b1fd48db164..51b2aa0acb8 100644 --- a/scripts/package/buildtar +++ b/scripts/package/buildtar @@ -101,7 +101,11 @@ esac # ( cd "${tmpdir}" - tar cf - . | ${compress} > "${tarball}${file_ext}" + opts= + if tar --owner=root --group=root --help >/dev/null 2>&1; then + opts="--owner=root --group=root" + fi + tar cf - . $opts | ${compress} > "${tarball}${file_ext}" ) echo "Tarball successfully created in ${tarball}${file_ext}" diff --git a/scripts/recordmcount.pl b/scripts/recordmcount.pl index 9cf0a6fad6b..92f09fe9639 100755 --- a/scripts/recordmcount.pl +++ b/scripts/recordmcount.pl @@ -113,13 +113,13 @@ $P =~ s@.*/@@g; my $V = '0.1'; -if ($#ARGV != 10) { - print "usage: $P arch bits objdump objcopy cc ld nm rm mv is_module inputfile\n"; +if ($#ARGV != 11) { + print "usage: $P arch endian bits objdump objcopy cc ld nm rm mv is_module inputfile\n"; print "version: $V\n"; exit(1); } -my ($arch, $bits, $objdump, $objcopy, $cc, +my ($arch, $endian, $bits, $objdump, $objcopy, $cc, $ld, $nm, $rm, $mv, $is_module, $inputfile) = @ARGV; # This file refers to mcount and shouldn't be ftraced, so lets' ignore it @@ -295,6 +295,58 @@ if ($arch eq "x86_64") { $ld .= " -m elf64_sparc"; $cc .= " -m64"; $objcopy .= " -O elf64-sparc"; +} elsif ($arch eq "mips") { + # To enable module support, we need to enable the -mlong-calls option + # of gcc for module, after using this option, we can not get the real + # offset of the calling to _mcount, but the offset of the lui + # instruction or the addiu one. herein, we record the address of the + # first one, and then we can replace this instruction by a branch + # instruction to jump over the profiling function to filter the + # indicated functions, or swith back to the lui instruction to trace + # them, which means dynamic tracing. + # + # c: 3c030000 lui v1,0x0 + # c: R_MIPS_HI16 _mcount + # c: R_MIPS_NONE *ABS* + # c: R_MIPS_NONE *ABS* + # 10: 64630000 daddiu v1,v1,0 + # 10: R_MIPS_LO16 _mcount + # 10: R_MIPS_NONE *ABS* + # 10: R_MIPS_NONE *ABS* + # 14: 03e0082d move at,ra + # 18: 0060f809 jalr v1 + # + # for the kernel: + # + # 10: 03e0082d move at,ra + # 14: 0c000000 jal 0 <loongson_halt> + # 14: R_MIPS_26 _mcount + # 14: R_MIPS_NONE *ABS* + # 14: R_MIPS_NONE *ABS* + # 18: 00020021 nop + if ($is_module eq "0") { + $mcount_regex = "^\\s*([0-9a-fA-F]+):.*\\s_mcount\$"; + } else { + $mcount_regex = "^\\s*([0-9a-fA-F]+): R_MIPS_HI16\\s+_mcount\$"; + } + $objdump .= " -Melf-trad".$endian."mips "; + + if ($endian eq "big") { + $endian = " -EB "; + $ld .= " -melf".$bits."btsmip"; + } else { + $endian = " -EL "; + $ld .= " -melf".$bits."ltsmip"; + } + + $cc .= " -mno-abicalls -fno-pic -mabi=" . $bits . $endian; + $ld .= $endian; + + if ($bits == 64) { + $function_regex = + "^([0-9a-fA-F]+)\\s+<(.|[^\$]L.*?|\$[^L].*?|[^\$][^L].*?)>:"; + $type = ".dword"; + } } elsif ($arch eq "microblaze") { # Microblaze calls '_mcount' instead of plain 'mcount'. $mcount_regex = "^\\s*([0-9a-fA-F]+):.*\\s_mcount\$"; diff --git a/scripts/tags.sh b/scripts/tags.sh index d52f7a01557..1a0c44d7c4a 100755 --- a/scripts/tags.sh +++ b/scripts/tags.sh @@ -89,7 +89,13 @@ all_defconfigs() docscope() { - (echo \-k; echo \-q; all_sources) > cscope.files + # always use absolute paths for cscope, as recommended by cscope + # upstream + case "$tree" in + /*) ;; + *) tree=$PWD/$tree ;; + esac + (cd /; echo \-k; echo \-q; all_sources) > cscope.files cscope -b -f cscope.out } diff --git a/scripts/unifdef.c b/scripts/unifdef.c index 30d459fb070..44d39785e50 100644 --- a/scripts/unifdef.c +++ b/scripts/unifdef.c @@ -1,13 +1,5 @@ /* - * Copyright (c) 2002 - 2005 Tony Finch <dot@dotat.at>. All rights reserved. - * - * This code is derived from software contributed to Berkeley by Dave Yost. - * It was rewritten to support ANSI C by Tony Finch. The original version of - * unifdef carried the following copyright notice. None of its code remains - * in this version (though some of the names remain). - * - * Copyright (c) 1985, 1993 - * The Regents of the University of California. All rights reserved. + * Copyright (c) 2002 - 2009 Tony Finch <dot@dotat.at> * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions @@ -31,23 +23,20 @@ * SUCH DAMAGE. */ -#include <sys/cdefs.h> +/* + * This code was derived from software contributed to Berkeley by Dave Yost. + * It was rewritten to support ANSI C by Tony Finch. The original version + * of unifdef carried the 4-clause BSD copyright licence. None of its code + * remains in this version (though some of the names remain) so it now + * carries a more liberal licence. + * + * The latest version is available from http://dotat.at/prog/unifdef + */ -#ifndef lint -#if 0 -static const char copyright[] = -"@(#) Copyright (c) 1985, 1993\n\ - The Regents of the University of California. All rights reserved.\n"; -#endif -#ifdef __IDSTRING -__IDSTRING(Berkeley, "@(#)unifdef.c 8.1 (Berkeley) 6/6/93"); -__IDSTRING(NetBSD, "$NetBSD: unifdef.c,v 1.8 2000/07/03 02:51:36 matt Exp $"); -__IDSTRING(dotat, "$dotat: things/unifdef.c,v 1.171 2005/03/08 12:38:48 fanf2 Exp $"); -#endif -#endif /* not lint */ -#ifdef __FBSDID -__FBSDID("$FreeBSD: /repoman/r/ncvs/src/usr.bin/unifdef/unifdef.c,v 1.20 2005/05/21 09:55:09 ru Exp $"); -#endif +static const char * const copyright[] = { + "@(#) Copyright (c) 2002 - 2009 Tony Finch <dot@dotat.at>\n", + "$dotat: unifdef/unifdef.c,v 1.190 2009/11/27 17:21:26 fanf2 Exp $", +}; /* * unifdef - remove ifdef'ed lines @@ -72,8 +61,6 @@ __FBSDID("$FreeBSD: /repoman/r/ncvs/src/usr.bin/unifdef/unifdef.c,v 1.20 2005/05 #include <string.h> #include <unistd.h> -size_t strlcpy(char *dst, const char *src, size_t siz); - /* types of input lines: */ typedef enum { LT_TRUEI, /* a true #if with ignore flag */ @@ -90,6 +77,7 @@ typedef enum { LT_DODGY_LAST = LT_DODGY + LT_ENDIF, LT_PLAIN, /* ordinary line */ LT_EOF, /* end of file */ + LT_ERROR, /* unevaluable #if */ LT_COUNT } Linetype; @@ -100,7 +88,7 @@ static char const * const linetype_name[] = { "DODGY IF", "DODGY TRUE", "DODGY FALSE", "DODGY ELIF", "DODGY ELTRUE", "DODGY ELFALSE", "DODGY ELSE", "DODGY ENDIF", - "PLAIN", "EOF" + "PLAIN", "EOF", "ERROR" }; /* state of #if processing */ @@ -168,11 +156,13 @@ static char const * const linestate_name[] = { * Globals. */ +static bool compblank; /* -B: compress blank lines */ +static bool lnblank; /* -b: blank deleted lines */ static bool complement; /* -c: do the complement */ static bool debugging; /* -d: debugging reports */ static bool iocccok; /* -e: fewer IOCCC errors */ +static bool strictlogic; /* -K: keep ambiguous #ifs */ static bool killconsts; /* -k: eval constant #ifs */ -static bool lnblank; /* -l: blank deleted lines */ static bool lnnum; /* -n: add #line directives */ static bool symlist; /* -s: output symbol list */ static bool text; /* -t: this is a text file */ @@ -196,7 +186,9 @@ static bool ignoring[MAXDEPTH]; /* ignore comments state */ static int stifline[MAXDEPTH]; /* start of current #if */ static int depth; /* current #if nesting */ static int delcount; /* count of deleted lines */ -static bool keepthis; /* don't delete constant #if */ +static unsigned blankcount; /* count of blank lines */ +static unsigned blankmax; /* maximum recent blankcount */ +static bool constexpr; /* constant #if expression */ static int exitstat; /* program exit status */ @@ -206,13 +198,14 @@ static void done(void); static void error(const char *); static int findsym(const char *); static void flushline(bool); -static Linetype get_line(void); +static Linetype parseline(void); static Linetype ifeval(const char **); static void ignoreoff(void); static void ignoreon(void); static void keywordedit(const char *); static void nest(void); static void process(void); +static const char *skipargs(const char *); static const char *skipcomment(const char *); static const char *skipsym(const char *); static void state(Ifstate); @@ -220,7 +213,7 @@ static int strlcmp(const char *, const char *, size_t); static void unnest(void); static void usage(void); -#define endsym(c) (!isalpha((unsigned char)c) && !isdigit((unsigned char)c) && c != '_') +#define endsym(c) (!isalnum((unsigned char)c) && c != '_') /* * The main program. @@ -230,7 +223,7 @@ main(int argc, char *argv[]) { int opt; - while ((opt = getopt(argc, argv, "i:D:U:I:cdeklnst")) != -1) + while ((opt = getopt(argc, argv, "i:D:U:I:BbcdeKklnst")) != -1) switch (opt) { case 'i': /* treat stuff controlled by these symbols as text */ /* @@ -255,6 +248,13 @@ main(int argc, char *argv[]) case 'I': /* no-op for compatibility with cpp */ break; + case 'B': /* compress blank lines around removed section */ + compblank = true; + break; + case 'b': /* blank deleted lines instead of omitting them */ + case 'l': /* backwards compatibility */ + lnblank = true; + break; case 'c': /* treat -D as -U and vice versa */ complement = true; break; @@ -264,12 +264,12 @@ main(int argc, char *argv[]) case 'e': /* fewer errors from dodgy lines */ iocccok = true; break; + case 'K': /* keep ambiguous #ifs */ + strictlogic = true; + break; case 'k': /* process constant #ifs */ killconsts = true; break; - case 'l': /* blank deleted lines instead of omitting them */ - lnblank = true; - break; case 'n': /* add #line directive after deleted lines */ lnnum = true; break; @@ -284,6 +284,8 @@ main(int argc, char *argv[]) } argc -= optind; argv += optind; + if (compblank && lnblank) + errx(2, "-B and -b are mutually exclusive"); if (argc > 1) { errx(2, "can only do one file"); } else if (argc == 1 && strcmp(*argv, "-") != 0) { @@ -302,7 +304,7 @@ main(int argc, char *argv[]) static void usage(void) { - fprintf(stderr, "usage: unifdef [-cdeklnst] [-Ipath]" + fprintf(stderr, "usage: unifdef [-BbcdeKknst] [-Ipath]" " [-Dsym[=val]] [-Usym] [-iDsym[=val]] [-iUsym] ... [file]\n"); exit(2); } @@ -383,46 +385,46 @@ static state_fn * const trans_table[IS_COUNT][LT_COUNT] = { /* IS_OUTSIDE */ { Itrue, Ifalse,Fpass, Ftrue, Ffalse,Eelif, Eelif, Eelif, Eelse, Eendif, Oiffy, Oiffy, Fpass, Oif, Oif, Eelif, Eelif, Eelif, Eelse, Eendif, - print, done }, + print, done, abort }, /* IS_FALSE_PREFIX */ { Idrop, Idrop, Fdrop, Fdrop, Fdrop, Mpass, Strue, Sfalse,Selse, Dendif, Idrop, Idrop, Fdrop, Fdrop, Fdrop, Mpass, Eioccc,Eioccc,Eioccc,Eioccc, - drop, Eeof }, + drop, Eeof, abort }, /* IS_TRUE_PREFIX */ { Itrue, Ifalse,Fpass, Ftrue, Ffalse,Dfalse,Dfalse,Dfalse,Delse, Dendif, Oiffy, Oiffy, Fpass, Oif, Oif, Eioccc,Eioccc,Eioccc,Eioccc,Eioccc, - print, Eeof }, + print, Eeof, abort }, /* IS_PASS_MIDDLE */ { Itrue, Ifalse,Fpass, Ftrue, Ffalse,Pelif, Mtrue, Delif, Pelse, Pendif, Oiffy, Oiffy, Fpass, Oif, Oif, Pelif, Oelif, Oelif, Pelse, Pendif, - print, Eeof }, + print, Eeof, abort }, /* IS_FALSE_MIDDLE */ { Idrop, Idrop, Fdrop, Fdrop, Fdrop, Pelif, Mtrue, Delif, Pelse, Pendif, Idrop, Idrop, Fdrop, Fdrop, Fdrop, Eioccc,Eioccc,Eioccc,Eioccc,Eioccc, - drop, Eeof }, + drop, Eeof, abort }, /* IS_TRUE_MIDDLE */ { Itrue, Ifalse,Fpass, Ftrue, Ffalse,Melif, Melif, Melif, Melse, Pendif, Oiffy, Oiffy, Fpass, Oif, Oif, Eioccc,Eioccc,Eioccc,Eioccc,Pendif, - print, Eeof }, + print, Eeof, abort }, /* IS_PASS_ELSE */ { Itrue, Ifalse,Fpass, Ftrue, Ffalse,Eelif, Eelif, Eelif, Eelse, Pendif, Oiffy, Oiffy, Fpass, Oif, Oif, Eelif, Eelif, Eelif, Eelse, Pendif, - print, Eeof }, + print, Eeof, abort }, /* IS_FALSE_ELSE */ { Idrop, Idrop, Fdrop, Fdrop, Fdrop, Eelif, Eelif, Eelif, Eelse, Dendif, Idrop, Idrop, Fdrop, Fdrop, Fdrop, Eelif, Eelif, Eelif, Eelse, Eioccc, - drop, Eeof }, + drop, Eeof, abort }, /* IS_TRUE_ELSE */ { Itrue, Ifalse,Fpass, Ftrue, Ffalse,Eelif, Eelif, Eelif, Eelse, Dendif, Oiffy, Oiffy, Fpass, Oif, Oif, Eelif, Eelif, Eelif, Eelse, Eioccc, - print, Eeof }, + print, Eeof, abort }, /* IS_FALSE_TRAILER */ { Idrop, Idrop, Fdrop, Fdrop, Fdrop, Dfalse,Dfalse,Dfalse,Delse, Dendif, Idrop, Idrop, Fdrop, Fdrop, Fdrop, Dfalse,Dfalse,Dfalse,Delse, Eioccc, - drop, Eeof } + drop, Eeof, abort } /*TRUEI FALSEI IF TRUE FALSE ELIF ELTRUE ELFALSE ELSE ENDIF TRUEI FALSEI IF TRUE FALSE ELIF ELTRUE ELFALSE ELSE ENDIF (DODGY) - PLAIN EOF */ + PLAIN EOF ERROR */ }; /* @@ -463,9 +465,11 @@ keywordedit(const char *replacement) static void nest(void) { - depth += 1; - if (depth >= MAXDEPTH) + if (depth > MAXDEPTH-1) + abort(); /* bug */ + if (depth == MAXDEPTH-1) error("Too many levels of nesting"); + depth += 1; stifline[depth] = linenum; } static void @@ -490,15 +494,23 @@ flushline(bool keep) if (symlist) return; if (keep ^ complement) { - if (lnnum && delcount > 0) - printf("#line %d\n", linenum); - fputs(tline, stdout); - delcount = 0; + bool blankline = tline[strspn(tline, " \t\n")] == '\0'; + if (blankline && compblank && blankcount != blankmax) { + delcount += 1; + blankcount += 1; + } else { + if (lnnum && delcount > 0) + printf("#line %d\n", linenum); + fputs(tline, stdout); + delcount = 0; + blankmax = blankcount = blankline ? blankcount + 1 : 0; + } } else { if (lnblank) putc('\n', stdout); exitstat = 1; delcount += 1; + blankcount = 0; } } @@ -510,9 +522,12 @@ process(void) { Linetype lineval; + /* When compressing blank lines, act as if the file + is preceded by a large number of blank lines. */ + blankmax = blankcount = 1000; for (;;) { linenum++; - lineval = get_line(); + lineval = parseline(); trans_table[ifstate[depth]][lineval](); debug("process %s -> %s depth %d", linetype_name[lineval], @@ -526,7 +541,7 @@ process(void) * help from skipcomment(). */ static Linetype -get_line(void) +parseline(void) { const char *cp; int cursym; @@ -595,9 +610,21 @@ get_line(void) if (incomment) linestate = LS_DIRTY; } - /* skipcomment should have changed the state */ - if (linestate == LS_HASH) - abort(); /* bug */ + /* skipcomment normally changes the state, except + if the last line of the file lacks a newline, or + if there is too much whitespace in a directive */ + if (linestate == LS_HASH) { + size_t len = cp - tline; + if (fgets(tline + len, MAXLINE - len, input) == NULL) { + /* append the missing newline */ + tline[len+0] = '\n'; + tline[len+1] = '\0'; + cp++; + linestate = LS_START; + } else { + linestate = LS_DIRTY; + } + } } if (linestate == LS_DIRTY) { while (*cp != '\0') @@ -610,17 +637,40 @@ get_line(void) /* * These are the binary operators that are supported by the expression - * evaluator. Note that if support for division is added then we also - * need short-circuiting booleans because of divide-by-zero. + * evaluator. */ -static int op_lt(int a, int b) { return (a < b); } -static int op_gt(int a, int b) { return (a > b); } -static int op_le(int a, int b) { return (a <= b); } -static int op_ge(int a, int b) { return (a >= b); } -static int op_eq(int a, int b) { return (a == b); } -static int op_ne(int a, int b) { return (a != b); } -static int op_or(int a, int b) { return (a || b); } -static int op_and(int a, int b) { return (a && b); } +static Linetype op_strict(int *p, int v, Linetype at, Linetype bt) { + if(at == LT_IF || bt == LT_IF) return (LT_IF); + return (*p = v, v ? LT_TRUE : LT_FALSE); +} +static Linetype op_lt(int *p, Linetype at, int a, Linetype bt, int b) { + return op_strict(p, a < b, at, bt); +} +static Linetype op_gt(int *p, Linetype at, int a, Linetype bt, int b) { + return op_strict(p, a > b, at, bt); +} +static Linetype op_le(int *p, Linetype at, int a, Linetype bt, int b) { + return op_strict(p, a <= b, at, bt); +} +static Linetype op_ge(int *p, Linetype at, int a, Linetype bt, int b) { + return op_strict(p, a >= b, at, bt); +} +static Linetype op_eq(int *p, Linetype at, int a, Linetype bt, int b) { + return op_strict(p, a == b, at, bt); +} +static Linetype op_ne(int *p, Linetype at, int a, Linetype bt, int b) { + return op_strict(p, a != b, at, bt); +} +static Linetype op_or(int *p, Linetype at, int a, Linetype bt, int b) { + if (!strictlogic && (at == LT_TRUE || bt == LT_TRUE)) + return (*p = 1, LT_TRUE); + return op_strict(p, a || b, at, bt); +} +static Linetype op_and(int *p, Linetype at, int a, Linetype bt, int b) { + if (!strictlogic && (at == LT_FALSE || bt == LT_FALSE)) + return (*p = 0, LT_FALSE); + return op_strict(p, a && b, at, bt); +} /* * An evaluation function takes three arguments, as follows: (1) a pointer to @@ -629,8 +679,8 @@ static int op_and(int a, int b) { return (a && b); } * value of the expression; and (3) a pointer to a char* that points to the * expression to be evaluated and that is updated to the end of the expression * when evaluation is complete. The function returns LT_FALSE if the value of - * the expression is zero, LT_TRUE if it is non-zero, or LT_IF if the - * expression could not be evaluated. + * the expression is zero, LT_TRUE if it is non-zero, LT_IF if the expression + * depends on an unknown symbol, or LT_ERROR if there is a parse failure. */ struct ops; @@ -649,7 +699,7 @@ static const struct ops { eval_fn *inner; struct op { const char *str; - int (*fn)(int, int); + Linetype (*fn)(int *, Linetype, int, Linetype, int); } op[5]; } eval_ops[] = { { eval_table, { { "||", op_or } } }, @@ -664,8 +714,8 @@ static const struct ops { /* * Function for evaluating the innermost parts of expressions, - * viz. !expr (expr) defined(symbol) symbol number - * We reset the keepthis flag when we find a non-constant subexpression. + * viz. !expr (expr) number defined(symbol) symbol + * We reset the constexpr flag in the last two cases. */ static Linetype eval_unary(const struct ops *ops, int *valp, const char **cpp) @@ -673,68 +723,83 @@ eval_unary(const struct ops *ops, int *valp, const char **cpp) const char *cp; char *ep; int sym; + bool defparen; + Linetype lt; cp = skipcomment(*cpp); if (*cp == '!') { debug("eval%d !", ops - eval_ops); cp++; - if (eval_unary(ops, valp, &cp) == LT_IF) { - *cpp = cp; - return (LT_IF); + lt = eval_unary(ops, valp, &cp); + if (lt == LT_ERROR) + return (LT_ERROR); + if (lt != LT_IF) { + *valp = !*valp; + lt = *valp ? LT_TRUE : LT_FALSE; } - *valp = !*valp; } else if (*cp == '(') { cp++; debug("eval%d (", ops - eval_ops); - if (eval_table(eval_ops, valp, &cp) == LT_IF) - return (LT_IF); + lt = eval_table(eval_ops, valp, &cp); + if (lt == LT_ERROR) + return (LT_ERROR); cp = skipcomment(cp); if (*cp++ != ')') - return (LT_IF); + return (LT_ERROR); } else if (isdigit((unsigned char)*cp)) { debug("eval%d number", ops - eval_ops); *valp = strtol(cp, &ep, 0); + if (ep == cp) + return (LT_ERROR); + lt = *valp ? LT_TRUE : LT_FALSE; cp = skipsym(cp); } else if (strncmp(cp, "defined", 7) == 0 && endsym(cp[7])) { cp = skipcomment(cp+7); debug("eval%d defined", ops - eval_ops); - if (*cp++ != '(') - return (LT_IF); - cp = skipcomment(cp); + if (*cp == '(') { + cp = skipcomment(cp+1); + defparen = true; + } else { + defparen = false; + } sym = findsym(cp); - cp = skipsym(cp); - cp = skipcomment(cp); - if (*cp++ != ')') - return (LT_IF); - if (sym >= 0) + if (sym < 0) { + lt = LT_IF; + } else { *valp = (value[sym] != NULL); - else { - *cpp = cp; - return (LT_IF); + lt = *valp ? LT_TRUE : LT_FALSE; } - keepthis = false; + cp = skipsym(cp); + cp = skipcomment(cp); + if (defparen && *cp++ != ')') + return (LT_ERROR); + constexpr = false; } else if (!endsym(*cp)) { debug("eval%d symbol", ops - eval_ops); sym = findsym(cp); - if (sym < 0) - return (LT_IF); - if (value[sym] == NULL) + cp = skipsym(cp); + if (sym < 0) { + lt = LT_IF; + cp = skipargs(cp); + } else if (value[sym] == NULL) { *valp = 0; - else { + lt = LT_FALSE; + } else { *valp = strtol(value[sym], &ep, 0); if (*ep != '\0' || ep == value[sym]) - return (LT_IF); + return (LT_ERROR); + lt = *valp ? LT_TRUE : LT_FALSE; + cp = skipargs(cp); } - cp = skipsym(cp); - keepthis = false; + constexpr = false; } else { debug("eval%d bad expr", ops - eval_ops); - return (LT_IF); + return (LT_ERROR); } *cpp = cp; debug("eval%d = %d", ops - eval_ops, *valp); - return (*valp ? LT_TRUE : LT_FALSE); + return (lt); } /* @@ -746,11 +811,13 @@ eval_table(const struct ops *ops, int *valp, const char **cpp) const struct op *op; const char *cp; int val; - Linetype lhs, rhs; + Linetype lt, rt; debug("eval%d", ops - eval_ops); cp = *cpp; - lhs = ops->inner(ops+1, valp, &cp); + lt = ops->inner(ops+1, valp, &cp); + if (lt == LT_ERROR) + return (LT_ERROR); for (;;) { cp = skipcomment(cp); for (op = ops->op; op->str != NULL; op++) @@ -760,32 +827,16 @@ eval_table(const struct ops *ops, int *valp, const char **cpp) break; cp += strlen(op->str); debug("eval%d %s", ops - eval_ops, op->str); - rhs = ops->inner(ops+1, &val, &cp); - if (op->fn == op_and && (lhs == LT_FALSE || rhs == LT_FALSE)) { - debug("eval%d: and always false", ops - eval_ops); - if (lhs == LT_IF) - *valp = val; - lhs = LT_FALSE; - continue; - } - if (op->fn == op_or && (lhs == LT_TRUE || rhs == LT_TRUE)) { - debug("eval%d: or always true", ops - eval_ops); - if (lhs == LT_IF) - *valp = val; - lhs = LT_TRUE; - continue; - } - if (rhs == LT_IF) - lhs = LT_IF; - if (lhs != LT_IF) - *valp = op->fn(*valp, val); + rt = ops->inner(ops+1, &val, &cp); + if (rt == LT_ERROR) + return (LT_ERROR); + lt = op->fn(valp, lt, *valp, rt, val); } *cpp = cp; debug("eval%d = %d", ops - eval_ops, *valp); - if (lhs != LT_IF) - lhs = (*valp ? LT_TRUE : LT_FALSE); - return lhs; + debug("eval%d lt = %s", ops - eval_ops, linetype_name[lt]); + return (lt); } /* @@ -796,17 +847,14 @@ eval_table(const struct ops *ops, int *valp, const char **cpp) static Linetype ifeval(const char **cpp) { - const char *cp = *cpp; int ret; - int val; + int val = 0; debug("eval %s", *cpp); - keepthis = killconsts ? false : true; - ret = eval_table(eval_ops, &val, &cp); - if (ret != LT_IF) - *cpp = cp; + constexpr = killconsts ? false : true; + ret = eval_table(eval_ops, &val, cpp); debug("eval = %d", val); - return (keepthis ? LT_IF : ret); + return (constexpr ? LT_IF : ret == LT_ERROR ? LT_IF : ret); } /* @@ -918,6 +966,31 @@ skipcomment(const char *cp) } /* + * Skip macro arguments. + */ +static const char * +skipargs(const char *cp) +{ + const char *ocp = cp; + int level = 0; + cp = skipcomment(cp); + if (*cp != '(') + return (cp); + do { + if (*cp == '(') + level++; + if (*cp == ')') + level--; + cp = skipcomment(cp+1); + } while (level != 0 && *cp != '\0'); + if (level == 0) + return (cp); + else + /* Rewind and re-detect the syntax error later. */ + return (ocp); +} + +/* * Skip over an identifier. */ static const char * @@ -929,7 +1002,7 @@ skipsym(const char *cp) } /* - * Look for the symbol in the symbol table. If is is found, we return + * Look for the symbol in the symbol table. If it is found, we return * the symbol table index, else we return -1. */ static int diff --git a/security/Makefile b/security/Makefile index bb44e350c61..da20a193c8d 100644 --- a/security/Makefile +++ b/security/Makefile @@ -8,7 +8,8 @@ subdir-$(CONFIG_SECURITY_SMACK) += smack subdir-$(CONFIG_SECURITY_TOMOYO) += tomoyo # always enable default capabilities -obj-y += commoncap.o min_addr.o +obj-y += commoncap.o +obj-$(CONFIG_MMU) += min_addr.o # Object file lists obj-$(CONFIG_SECURITY) += security.o capability.o diff --git a/security/keys/keyctl.c b/security/keys/keyctl.c index 06ec722897b..e9c2e7c584d 100644 --- a/security/keys/keyctl.c +++ b/security/keys/keyctl.c @@ -1194,7 +1194,7 @@ long keyctl_get_security(key_serial_t keyid, * have the authorisation token handy */ instkey = key_get_instantiation_authkey(keyid); if (IS_ERR(instkey)) - return PTR_ERR(key_ref); + return PTR_ERR(instkey); key_put(instkey); key_ref = lookup_user_key(keyid, KEY_LOOKUP_PARTIAL, 0); @@ -1236,6 +1236,7 @@ long keyctl_get_security(key_serial_t keyid, */ long keyctl_session_to_parent(void) { +#ifdef TIF_NOTIFY_RESUME struct task_struct *me, *parent; const struct cred *mycred, *pcred; struct cred *cred, *oldcred; @@ -1326,6 +1327,15 @@ not_permitted: error_keyring: key_ref_put(keyring_r); return ret; + +#else /* !TIF_NOTIFY_RESUME */ + /* + * To be removed when TIF_NOTIFY_RESUME has been implemented on + * m68k/xtensa + */ +#warning TIF_NOTIFY_RESUME not implemented + return -EOPNOTSUPP; +#endif /* !TIF_NOTIFY_RESUME */ } /*****************************************************************************/ diff --git a/security/min_addr.c b/security/min_addr.c index fc43c9d3708..e86f297522b 100644 --- a/security/min_addr.c +++ b/security/min_addr.c @@ -43,7 +43,7 @@ int mmap_min_addr_handler(struct ctl_table *table, int write, return ret; } -int __init init_mmap_min_addr(void) +static int __init init_mmap_min_addr(void) { update_mmap_min_addr(); diff --git a/sound/soc/omap/sdp3430.c b/sound/soc/omap/sdp3430.c index c071f9603a3..3c85c0f9282 100644 --- a/sound/soc/omap/sdp3430.c +++ b/sound/soc/omap/sdp3430.c @@ -24,7 +24,7 @@ #include <linux/clk.h> #include <linux/platform_device.h> -#include <linux/i2c/twl4030.h> +#include <linux/i2c/twl.h> #include <sound/core.h> #include <sound/pcm.h> #include <sound/soc.h> @@ -321,11 +321,11 @@ static int __init sdp3430_soc_init(void) *(unsigned int *)sdp3430_dai[1].cpu_dai->private_data = 2; /* McBSP3 */ /* Set TWL4030 GPIO6 as EXTMUTE signal */ - twl4030_i2c_read_u8(TWL4030_MODULE_INTBR, &pin_mux, + twl_i2c_read_u8(TWL4030_MODULE_INTBR, &pin_mux, TWL4030_INTBR_PMBR1); pin_mux &= ~TWL4030_GPIO6_PWM0_MUTE(0x03); pin_mux |= TWL4030_GPIO6_PWM0_MUTE(0x02); - twl4030_i2c_write_u8(TWL4030_MODULE_INTBR, pin_mux, + twl_i2c_write_u8(TWL4030_MODULE_INTBR, pin_mux, TWL4030_INTBR_PMBR1); ret = platform_device_add(sdp3430_snd_device); diff --git a/tools/perf/Makefile b/tools/perf/Makefile index 7814dbbd401..4390d225686 100644 --- a/tools/perf/Makefile +++ b/tools/perf/Makefile @@ -487,10 +487,11 @@ else msg := $(error No libelf.h/libelf found, please install libelf-dev/elfutils-libelf-devel and glibc-dev[el]); endif -ifneq ($(shell sh -c "(echo '\#include <libdwarf/dwarf.h>'; echo '\#include <libdwarf/libdwarf.h>'; echo 'int main(void) { Dwarf_Debug dbg; Dwarf_Error err; Dwarf_Ranges *rng; dwarf_init(0, DW_DLC_READ, 0, 0, &dbg, &err); dwarf_get_ranges(dbg, 0, &rng, 0, 0, &err); return (long)dbg; }') | $(CC) -x c - $(ALL_CFLAGS) -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -ldwarf -lelf -o /dev/null $(ALL_LDFLAGS) $(EXTLIBS) "$(QUIET_STDERR)" && echo y"), y) +ifneq ($(shell sh -c "(echo '\#ifndef _MIPS_SZLONG'; echo '\#define _MIPS_SZLONG 0'; echo '\#endif'; echo '\#include <dwarf.h>'; echo '\#include <libdwarf.h>'; echo 'int main(void) { Dwarf_Debug dbg; Dwarf_Error err; Dwarf_Ranges *rng; dwarf_init(0, DW_DLC_READ, 0, 0, &dbg, &err); dwarf_get_ranges(dbg, 0, &rng, 0, 0, &err); return (long)dbg; }') | $(CC) -x c - $(ALL_CFLAGS) -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -I/usr/include/libdwarf -ldwarf -lelf -o /dev/null $(ALL_LDFLAGS) $(EXTLIBS) "$(QUIET_STDERR)" && echo y"), y) msg := $(warning No libdwarf.h found or old libdwarf.h found, disables dwarf support. Please install libdwarf-dev/libdwarf-devel >= 20081231); BASIC_CFLAGS += -DNO_LIBDWARF else + BASIC_CFLAGS += -I/usr/include/libdwarf EXTLIBS += -lelf -ldwarf LIB_OBJS += util/probe-finder.o endif diff --git a/tools/perf/builtin-probe.c b/tools/perf/builtin-probe.c index 7e741f54d79..c1e6774fd3e 100644 --- a/tools/perf/builtin-probe.c +++ b/tools/perf/builtin-probe.c @@ -38,6 +38,7 @@ #include "util/strlist.h" #include "util/event.h" #include "util/debug.h" +#include "util/debugfs.h" #include "util/symbol.h" #include "util/thread.h" #include "util/session.h" @@ -205,6 +206,9 @@ int cmd_probe(int argc, const char **argv, const char *prefix __used) if ((!session.nr_probe && !session.dellist && !session.list_events)) usage_with_options(probe_usage, options); + if (debugfs_valid_mountpoint(debugfs_path) < 0) + die("Failed to find debugfs path."); + if (session.list_events) { if (session.nr_probe != 0 || session.dellist) { pr_warning(" Error: Don't use --list with" diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index e50a6b10ee6..5c2ab5357ec 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -224,7 +224,7 @@ static int __cmd_report(void) perf_session__collapse_resort(session); perf_session__output_resort(session, session->events_stats.total); - fprintf(stdout, "# Samples: %ld\n#\n", session->events_stats.total); + fprintf(stdout, "# Samples: %Ld\n#\n", session->events_stats.total); perf_session__fprintf_hists(session, NULL, false, stdout); if (sort_order == default_sort_order && parent_pattern == default_parent_pattern) diff --git a/tools/perf/util/event.h b/tools/perf/util/event.h index 8027309b042..690a96d0467 100644 --- a/tools/perf/util/event.h +++ b/tools/perf/util/event.h @@ -95,8 +95,8 @@ typedef union event_union { } event_t; struct events_stats { - unsigned long total; - unsigned long lost; + u64 total; + u64 lost; }; void event__print_totals(void); diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c index 2ca62154f79..29465d44004 100644 --- a/tools/perf/util/probe-event.c +++ b/tools/perf/util/probe-event.c @@ -62,6 +62,18 @@ static int e_snprintf(char *str, size_t size, const char *format, ...) return ret; } +/* Check the name is good for event/group */ +static bool check_event_name(const char *name) +{ + if (!isalpha(*name) && *name != '_') + return false; + while (*++name != '\0') { + if (!isalpha(*name) && !isdigit(*name) && *name != '_') + return false; + } + return true; +} + /* Parse probepoint definition. */ static void parse_perf_probe_probepoint(char *arg, struct probe_point *pp) { @@ -82,6 +94,9 @@ static void parse_perf_probe_probepoint(char *arg, struct probe_point *pp) ptr = strchr(arg, ':'); if (ptr) /* Group name is not supported yet. */ semantic_error("Group name is not supported yet."); + if (!check_event_name(arg)) + semantic_error("%s is bad for event name -it must " + "follow C symbol-naming rule.", arg); pp->event = strdup(arg); arg = tmp; } diff --git a/tools/perf/util/probe-finder.h b/tools/perf/util/probe-finder.h index 5e4050ce296..a4086aaddb7 100644 --- a/tools/perf/util/probe-finder.h +++ b/tools/perf/util/probe-finder.h @@ -1,9 +1,9 @@ #ifndef _PROBE_FINDER_H #define _PROBE_FINDER_H -#define MAX_PATH_LEN 256 -#define MAX_PROBE_BUFFER 1024 -#define MAX_PROBES 128 +#define MAX_PATH_LEN 256 +#define MAX_PROBE_BUFFER 1024 +#define MAX_PROBES 128 static inline int is_c_varname(const char *name) { @@ -12,48 +12,53 @@ static inline int is_c_varname(const char *name) } struct probe_point { - char *event; /* Event name */ - char *group; /* Event group */ + char *event; /* Event name */ + char *group; /* Event group */ /* Inputs */ - char *file; /* File name */ - int line; /* Line number */ + char *file; /* File name */ + int line; /* Line number */ - char *function; /* Function name */ - int offset; /* Offset bytes */ + char *function; /* Function name */ + int offset; /* Offset bytes */ - int nr_args; /* Number of arguments */ - char **args; /* Arguments */ + int nr_args; /* Number of arguments */ + char **args; /* Arguments */ - int retprobe; /* Return probe */ + int retprobe; /* Return probe */ /* Output */ - int found; /* Number of found probe points */ - char *probes[MAX_PROBES]; /* Output buffers (will be allocated)*/ + int found; /* Number of found probe points */ + char *probes[MAX_PROBES]; /* Output buffers (will be allocated)*/ }; #ifndef NO_LIBDWARF extern int find_probepoint(int fd, struct probe_point *pp); -#include <libdwarf/dwarf.h> -#include <libdwarf/libdwarf.h> +/* Workaround for undefined _MIPS_SZLONG bug in libdwarf.h: */ +#ifndef _MIPS_SZLONG +# define _MIPS_SZLONG 0 +#endif + +#include <dwarf.h> +#include <libdwarf.h> struct probe_finder { - struct probe_point *pp; /* Target probe point */ + struct probe_point *pp; /* Target probe point */ /* For function searching */ - Dwarf_Addr addr; /* Address */ - Dwarf_Unsigned fno; /* File number */ - Dwarf_Unsigned lno; /* Line number */ - Dwarf_Off inl_offs; /* Inline offset */ - Dwarf_Die cu_die; /* Current CU */ + Dwarf_Addr addr; /* Address */ + Dwarf_Unsigned fno; /* File number */ + Dwarf_Unsigned lno; /* Line number */ + Dwarf_Off inl_offs; /* Inline offset */ + Dwarf_Die cu_die; /* Current CU */ /* For variable searching */ - Dwarf_Addr cu_base; /* Current CU base address */ - Dwarf_Locdesc fbloc; /* Location of Current Frame Base */ - const char *var; /* Current variable name */ - char *buf; /* Current output buffer */ - int len; /* Length of output buffer */ + Dwarf_Addr cu_base; /* Current CU base address */ + Dwarf_Locdesc fbloc; /* Location of Current Frame Base */ + const char *var; /* Current variable name */ + char *buf; /* Current output buffer */ + int len; /* Length of output buffer */ }; #endif /* NO_LIBDWARF */ diff --git a/usr/gen_init_cpio.c b/usr/gen_init_cpio.c index 83b3dde1a83..b2b3c2d1cf8 100644 --- a/usr/gen_init_cpio.c +++ b/usr/gen_init_cpio.c @@ -354,7 +354,10 @@ static int cpio_mkfile(const char *name, const char *location, push_pad(); if (size) { - fwrite(filebuf, size, 1, stdout); + if (fwrite(filebuf, size, 1, stdout) != 1) { + fprintf(stderr, "writing filebuf failed\n"); + goto error; + } offset += size; push_pad(); } |