diff options
Diffstat (limited to 'arch/powerpc')
74 files changed, 1580 insertions, 803 deletions
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 4a22c992861..8dcac0b22d6 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -87,6 +87,8 @@ config ARCH_NO_VIRT_TO_BUS config PPC bool default y + select HAVE_OPROFILE + select HAVE_KPROBES config EARLY_PRINTK bool @@ -95,6 +97,7 @@ config EARLY_PRINTK config COMPAT bool default y if PPC64 + select COMPAT_BINFMT_ELF config SYSVIPC_COMPAT bool @@ -254,6 +257,9 @@ config IOMMU_VMERGE Most drivers don't have this problem; it is safe to say Y here. +config IOMMU_HELPER + def_bool PPC64 + config HOTPLUG_CPU bool "Support for enabling/disabling CPUs" depends on SMP && HOTPLUG && EXPERIMENTAL && (PPC_PSERIES || PPC_PMAC) @@ -433,25 +439,6 @@ config WANT_DEVICE_TREE bool default n -config DEVICE_TREE - string "Static device tree source file" - depends on WANT_DEVICE_TREE - help - This specifies the device tree source (.dts) file to be - compiled and included when building the bootwrapper. If a - relative filename is given, then it will be relative to - arch/powerpc/boot/dts. If you are not using the bootwrapper, - or do not need to build a dts into the bootwrapper, this - field is ignored. - - For example, this is required when building a cuImage target - for an older U-Boot, which cannot pass a device tree itself. - Such a kernel will not work with a newer U-Boot that tries to - pass a device tree (unless you tell it not to). If your U-Boot - does not mention a device tree in "help bootm", then use the - cuImage target and specify a device tree here. Otherwise, use - the uImage target and leave this field blank. - endmenu config ISA_DMA_API @@ -507,7 +494,7 @@ config PCI bool "PCI support" if 40x || CPM2 || PPC_83xx || PPC_85xx || PPC_86xx \ || PPC_MPC52xx || (EMBEDDED && (PPC_PSERIES || PPC_ISERIES)) \ || PPC_PS3 || 44x - default y if !40x && !CPM2 && !8xx && !PPC_83xx \ + default y if !40x && !CPM2 && !8xx && !PPC_MPC512x && !PPC_83xx \ && !PPC_85xx && !PPC_86xx default PCI_PERMEDIA if !4xx && !CPM2 && !8xx default PCI_QSPAN if !4xx && !CPM2 && 8xx @@ -713,8 +700,6 @@ source "arch/powerpc/sysdev/qe_lib/Kconfig" source "lib/Kconfig" -source "kernel/Kconfig.instrumentation" - source "arch/powerpc/Kconfig.debug" source "security/Kconfig" diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile index f70df9b64f8..6845482f009 100644 --- a/arch/powerpc/Makefile +++ b/arch/powerpc/Makefile @@ -151,14 +151,11 @@ core-$(CONFIG_XMON) += arch/powerpc/xmon/ drivers-$(CONFIG_OPROFILE) += arch/powerpc/oprofile/ # Default to zImage, override when needed -defaultimage-y := zImage -defaultimage-$(CONFIG_DEFAULT_UIMAGE) := uImage -KBUILD_IMAGE := $(defaultimage-y) -all: $(KBUILD_IMAGE) +all: zImage CPPFLAGS_vmlinux.lds := -Upowerpc -BOOT_TARGETS = zImage zImage.initrd uImage +BOOT_TARGETS = zImage zImage.initrd uImage treeImage.% cuImage.% PHONY += $(BOOT_TARGETS) @@ -180,7 +177,7 @@ define archhelp endef install: vdso_install - $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) install + $(Q)$(MAKE) $(build)=$(boot) install vdso_install: ifeq ($(CONFIG_PPC64),y) diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile index 122a2707899..49797a45416 100644 --- a/arch/powerpc/boot/Makefile +++ b/arch/powerpc/boot/Makefile @@ -60,8 +60,9 @@ src-wlib := string.S crt0.S stdio.c main.c \ src-plat := of.c cuboot-52xx.c cuboot-824x.c cuboot-83xx.c cuboot-85xx.c holly.c \ cuboot-ebony.c treeboot-ebony.c prpmc2800.c \ ps3-head.S ps3-hvcall.S ps3.c treeboot-bamboo.c cuboot-8xx.c \ - cuboot-pq2.c cuboot-sequoia.c treeboot-walnut.c cuboot-bamboo.c \ - fixed-head.S ep88xc.c cuboot-hpc2.c ep405.c cuboot-taishan.c \ + cuboot-pq2.c cuboot-sequoia.c treeboot-walnut.c \ + cuboot-bamboo.c cuboot-mpc7448hpc2.c cuboot-taishan.c \ + fixed-head.S ep88xc.c ep405.c \ cuboot-katmai.c cuboot-rainier.c redboot-8xx.c ep8248e.c \ cuboot-warp.c cuboot-85xx-cpm2.c src-boot := $(src-wlib) $(src-plat) empty.c @@ -123,6 +124,8 @@ targets += $(patsubst $(obj)/%,%,$(obj-boot) wrapper.a) extra-y := $(obj)/wrapper.a $(obj-plat) $(obj)/empty.o \ $(obj)/zImage.lds $(obj)/zImage.coff.lds $(obj)/zImage.ps3.lds +dtstree := $(srctree)/$(src)/dts + wrapper :=$(srctree)/$(src)/wrapper wrapperbits := $(extra-y) $(addprefix $(obj)/,addnote hack-coff mktree dtc) \ $(wrapper) FORCE @@ -181,7 +184,7 @@ quiet_cmd_wrap = WRAP $@ image-$(CONFIG_PPC_PSERIES) += zImage.pseries image-$(CONFIG_PPC_MAPLE) += zImage.pseries image-$(CONFIG_PPC_IBM_CELL_BLADE) += zImage.pseries -image-$(CONFIG_PPC_PS3) += zImage.ps3 +image-$(CONFIG_PPC_PS3) += zImage-dtb.ps3 image-$(CONFIG_PPC_CELLEB) += zImage.pseries image-$(CONFIG_PPC_CHRP) += zImage.chrp image-$(CONFIG_PPC_EFIKA) += zImage.chrp @@ -191,33 +194,69 @@ image-$(CONFIG_PPC_PRPMC2800) += zImage.prpmc2800 image-$(CONFIG_PPC_ISERIES) += zImage.iseries image-$(CONFIG_DEFAULT_UIMAGE) += uImage -ifneq ($(CONFIG_DEVICE_TREE),"") -image-$(CONFIG_PPC_8xx) += cuImage.8xx -image-$(CONFIG_PPC_EP88XC) += zImage.ep88xc -image-$(CONFIG_EP405) += zImage.ep405 -image-$(CONFIG_8260) += cuImage.pq2 -image-$(CONFIG_EP8248E) += zImage.ep8248e -image-$(CONFIG_PPC_MPC52xx) += cuImage.52xx -image-$(CONFIG_STORCENTER) += cuImage.824x -image-$(CONFIG_PPC_83xx) += cuImage.83xx -image-$(CONFIG_PPC_85xx) += cuImage.85xx -ifeq ($(CONFIG_CPM2),y) -image-$(CONFIG_PPC_85xx) += cuImage.85xx-cpm2 -endif -image-$(CONFIG_MPC7448HPC2) += cuImage.hpc2 +# +# Targets which embed a device tree blob +# +# Theses are default targets to build images which embed device tree blobs. +# They are only required on boards which do not have FDT support in firmware. +# Boards with newish u-boot firmare can use the uImage target above +# + +# Board ports in arch/powerpc/platform/40x/Kconfig +image-$(CONFIG_EP405) += zImage-dtb.ep405 +image-$(CONFIG_WALNUT) += treeImage.walnut + +# Board ports in arch/powerpc/platform/44x/Kconfig image-$(CONFIG_EBONY) += treeImage.ebony cuImage.ebony image-$(CONFIG_BAMBOO) += treeImage.bamboo cuImage.bamboo image-$(CONFIG_SEQUOIA) += cuImage.sequoia image-$(CONFIG_RAINIER) += cuImage.rainier -image-$(CONFIG_WALNUT) += treeImage.walnut image-$(CONFIG_TAISHAN) += cuImage.taishan image-$(CONFIG_KATMAI) += cuImage.katmai image-$(CONFIG_WARP) += cuImage.warp -endif -ifneq ($(CONFIG_REDBOOT),"") -image-$(CONFIG_PPC_8xx) += zImage.redboot-8xx -endif +# Board ports in arch/powerpc/platform/8xx/Kconfig +image-$(CONFIG_PPC_MPC86XADS) += cuImage.mpc866ads +image-$(CONFIG_PPC_MPC885ADS) += cuImage.mpc885ads +image-$(CONFIG_PPC_EP88XC) += zImage-dtb.ep88xc +image-$(CONFIG_PPC_ADDER875) += cuImage.adder875-uboot \ + zImage-dtb.adder875-redboot + +# Board ports in arch/powerpc/platform/52xx/Kconfig +image-$(CONFIG_PPC_LITE5200) += cuImage.lite5200 cuImage.lite5200b + +# Board ports in arch/powerpc/platform/82xx/Kconfig +image-$(CONFIG_MPC8272_ADS) += cuImage.mpc8272ads +image-$(CONFIG_PQ2FADS) += cuImage.pq2fads +image-$(CONFIG_EP8248E) += zImage-dtb.ep8248e + +# Board ports in arch/powerpc/platform/83xx/Kconfig +image-$(CONFIG_MPC832x_MDS) += cuImage.mpc832x_mds +image-$(CONFIG_MPC832x_RDB) += cuImage.mpc832x_rdb +image-$(CONFIG_MPC834x_ITX) += cuImage.mpc8349emitx \ + cuImage.mpc8349emitxgp +image-$(CONFIG_MPC834x_MDS) += cuImage.mpc834x_mds +image-$(CONFIG_MPC836x_MDS) += cuImage.mpc836x_mds + +# Board ports in arch/powerpc/platform/85xx/Kconfig +image-$(CONFIG_MPC8540_ADS) += cuImage.mpc8540ads +image-$(CONFIG_MPC8560_ADS) += cuImage.mpc8560ads +image-$(CONFIG_MPC85xx_CDS) += cuImage.mpc8541cds \ + cuImage.mpc8548cds \ + cuImage.mpc8555cds +image-$(CONFIG_MPC85xx_MDS) += cuImage.mpc8568mds +image-$(CONFIG_MPC85xx_DS) += cuImage.mpc8544ds \ + cuImage.mpc8572ds +image-$(CONFIG_TQM8540) += cuImage.tqm8540 +image-$(CONFIG_TQM8541) += cuImage.tqm8541 +image-$(CONFIG_TQM8555) += cuImage.tqm8555 +image-$(CONFIG_TQM8560) += cuImage.tqm8560 +image-$(CONFIG_SBC8548) += cuImage.tqm8548 +image-$(CONFIG_SBC8560) += cuImage.tqm8560 + +# Board ports in arch/powerpc/platform/embedded6xx/Kconfig +image-$(CONFIG_STORCENTER) += cuImage.storcenter +image-$(CONFIG_MPC7448HPC2) += cuImage.mpc7448hpc2 # For 32-bit powermacs, build the COFF and miboot images # as well as the ELF images. @@ -233,24 +272,20 @@ targets += $(image-y) $(initrd-y) $(addprefix $(obj)/, $(initrd-y)): $(obj)/ramdisk.image.gz -# If CONFIG_WANT_DEVICE_TREE is set and CONFIG_DEVICE_TREE isn't an -# empty string, define 'dts' to be path to the dts -# CONFIG_DEVICE_TREE will have "" around it, make sure to strip them -ifeq ($(CONFIG_WANT_DEVICE_TREE),y) -ifneq ($(CONFIG_DEVICE_TREE),"") -dts = $(if $(shell echo $(CONFIG_DEVICE_TREE) | grep '^/'),\ - ,$(srctree)/$(src)/dts/)$(CONFIG_DEVICE_TREE:"%"=%) -endif -endif - # Don't put the ramdisk on the pattern rule; when its missing make will try # the pattern rule with less dependencies that also matches (even with the # hard dependency listed). -$(obj)/zImage.initrd.%: vmlinux $(wrapperbits) $(dts) - $(call if_changed,wrap,$*,$(dts),,$(obj)/ramdisk.image.gz) +$(obj)/zImage.initrd.%: vmlinux $(wrapperbits) + $(call if_changed,wrap,$*,,,$(obj)/ramdisk.image.gz) -$(obj)/zImage.%: vmlinux $(wrapperbits) $(dts) - $(call if_changed,wrap,$*,$(dts)) +$(obj)/zImage.%: vmlinux $(wrapperbits) + $(call if_changed,wrap,$*) + +$(obj)/zImage-dtb.initrd.%: vmlinux $(wrapperbits) $(dtstree)/%.dts + $(call if_changed,wrap,$*,$(dtstree)/$*.dts,,$(obj)/ramdisk.image.gz) + +$(obj)/zImage-dtb.%: vmlinux $(wrapperbits) $(dtstree)/%.dts + $(call if_changed,wrap,$*,$(dtstree)/$*.dts) # This cannot be in the root of $(src) as the zImage rule always adds a $(obj) # prefix @@ -260,24 +295,17 @@ $(obj)/vmlinux.strip: vmlinux $(obj)/zImage.iseries: vmlinux $(STRIP) -s -R .comment $< -o $@ -$(obj)/zImage.ps3: vmlinux $(wrapper) $(wrapperbits) $(srctree)/$(src)/dts/ps3.dts - $(STRIP) -s -R .comment $< -o vmlinux.strip - $(call cmd,wrap,ps3,$(srctree)/$(src)/dts/ps3.dts,,) - -$(obj)/zImage.initrd.ps3: vmlinux $(wrapper) $(wrapperbits) $(srctree)/$(src)/dts/ps3.dts $(obj)/ramdisk.image.gz - $(call cmd,wrap,ps3,$(srctree)/$(src)/dts/ps3.dts,,$(obj)/ramdisk.image.gz) - $(obj)/uImage: vmlinux $(wrapperbits) $(call if_changed,wrap,uboot) -$(obj)/cuImage.%: vmlinux $(dts) $(wrapperbits) - $(call if_changed,wrap,cuboot-$*,$(dts)) +$(obj)/cuImage.%: vmlinux $(dtstree)/%.dts $(wrapperbits) + $(call if_changed,wrap,cuboot-$*,$(dtstree)/$*.dts) -$(obj)/treeImage.initrd.%: vmlinux $(dts) $(wrapperbits) - $(call if_changed,wrap,treeboot-$*,$(dts),,$(obj)/ramdisk.image.gz) +$(obj)/treeImage.initrd.%: vmlinux $(dtstree)/%.dts $(wrapperbits) + $(call if_changed,wrap,treeboot-$*,$(dtstree)/$*.dts,,$(obj)/ramdisk.image.gz) -$(obj)/treeImage.%: vmlinux $(dts) $(wrapperbits) - $(call if_changed,wrap,treeboot-$*,$(dts)) +$(obj)/treeImage.%: vmlinux $(dtstree)/%.dts $(wrapperbits) + $(call if_changed,wrap,treeboot-$*,$(dtstree)/$*.dts) # If there isn't a platform selected then just strip the vmlinux. ifeq (,$(image-y)) diff --git a/arch/powerpc/boot/cuboot-hpc2.c b/arch/powerpc/boot/cuboot-mpc7448hpc2.c index 1b8953259d7..1b8953259d7 100644 --- a/arch/powerpc/boot/cuboot-hpc2.c +++ b/arch/powerpc/boot/cuboot-mpc7448hpc2.c diff --git a/arch/powerpc/boot/dts/adder875-redboot.dts b/arch/powerpc/boot/dts/adder875-redboot.dts index 930bfb3894e..28e9cd3d7a2 100644 --- a/arch/powerpc/boot/dts/adder875-redboot.dts +++ b/arch/powerpc/boot/dts/adder875-redboot.dts @@ -151,6 +151,7 @@ compatible = "fsl,mpc875-brg", "fsl,cpm1-brg", "fsl,cpm-brg"; + clock-frequency = <50000000>; reg = <0x9f0 0x10>; }; diff --git a/arch/powerpc/boot/dts/adder875-uboot.dts b/arch/powerpc/boot/dts/adder875-uboot.dts index 0197242dacf..54fb60ec03e 100644 --- a/arch/powerpc/boot/dts/adder875-uboot.dts +++ b/arch/powerpc/boot/dts/adder875-uboot.dts @@ -150,6 +150,7 @@ compatible = "fsl,mpc875-brg", "fsl,cpm1-brg", "fsl,cpm-brg"; + clock-frequency = <50000000>; reg = <0x9f0 0x10>; }; diff --git a/arch/powerpc/boot/dts/mpc5121ads.dts b/arch/powerpc/boot/dts/mpc5121ads.dts new file mode 100644 index 00000000000..94ad7b2b241 --- /dev/null +++ b/arch/powerpc/boot/dts/mpc5121ads.dts @@ -0,0 +1,122 @@ +/* + * MPC5121E MDS Device Tree Source + * + * Copyright 2007 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 as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +/dts-v1/; + +/ { + model = "mpc5121ads"; + compatible = "fsl,mpc5121ads"; + #address-cells = <1>; + #size-cells = <1>; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + + PowerPC,5121@0 { + device_type = "cpu"; + reg = <0>; + d-cache-line-size = <0x20>; // 32 bytes + i-cache-line-size = <0x20>; // 32 bytes + d-cache-size = <0x8000>; // L1, 32K + i-cache-size = <0x8000>; // L1, 32K + timebase-frequency = <49500000>;// 49.5 MHz (csb/4) + bus-frequency = <198000000>; // 198 MHz csb bus + clock-frequency = <396000000>; // 396 MHz ppc core + }; + }; + + memory { + device_type = "memory"; + reg = <0x00000000 0x10000000>; // 256MB at 0 + }; + + localbus@80000020 { + compatible = "fsl,mpc5121ads-localbus"; + #address-cells = <2>; + #size-cells = <1>; + reg = <0x80000020 0x40>; + + ranges = <0x0 0x0 0xfc000000 0x04000000 + 0x2 0x0 0x82000000 0x00008000>; + + flash@0,0 { + compatible = "cfi-flash"; + reg = <0 0x0 0x4000000>; + bank-width = <4>; + device-width = <1>; + }; + + board-control@2,0 { + compatible = "fsl,mpc5121ads-cpld"; + reg = <0x2 0x0 0x8000>; + }; + }; + + soc@80000000 { + compatible = "fsl,mpc5121-immr"; + #address-cells = <1>; + #size-cells = <1>; + #interrupt-cells = <2>; + ranges = <0x0 0x80000000 0x400000>; + reg = <0x80000000 0x400000>; + bus-frequency = <66000000>; // 66 MHz ips bus + + + // IPIC + // interrupts cell = <intr #, sense> + // sense values match linux IORESOURCE_IRQ_* defines: + // sense == 8: Level, low assertion + // sense == 2: Edge, high-to-low change + // + ipic: interrupt-controller@c00 { + compatible = "fsl,mpc5121-ipic", "fsl,ipic"; + interrupt-controller; + #address-cells = <0>; + #interrupt-cells = <2>; + reg = <0xc00 0x100>; + }; + + // 512x PSCs are not 52xx PSCs compatible + // PSC3 serial port A aka ttyPSC0 + serial@11300 { + device_type = "serial"; + compatible = "fsl,mpc5121-psc-uart"; + // Logical port assignment needed until driver + // learns to use aliases + port-number = <0>; + cell-index = <3>; + reg = <0x11300 0x100>; + interrupts = <0x28 0x8>; // actually the fifo irq + interrupt-parent = < &ipic >; + }; + + // PSC4 serial port B aka ttyPSC1 + serial@11400 { + device_type = "serial"; + compatible = "fsl,mpc5121-psc-uart"; + // Logical port assignment needed until driver + // learns to use aliases + port-number = <1>; + cell-index = <4>; + reg = <0x11400 0x100>; + interrupts = <0x28 0x8>; // actually the fifo irq + interrupt-parent = < &ipic >; + }; + + pscsfifo@11f00 { + compatible = "fsl,mpc5121-psc-fifo"; + reg = <0x11f00 0x100>; + interrupts = <0x28 0x8>; + interrupt-parent = < &ipic >; + }; + }; +}; diff --git a/arch/powerpc/boot/dts/mpc8313erdb.dts b/arch/powerpc/boot/dts/mpc8313erdb.dts index 2d6653fe72f..e1f0dca8ac3 100644 --- a/arch/powerpc/boot/dts/mpc8313erdb.dts +++ b/arch/powerpc/boot/dts/mpc8313erdb.dts @@ -118,6 +118,10 @@ interrupts = <14 0x8>; interrupt-parent = <&ipic>; dfsrr; + rtc@68 { + compatible = "dallas,ds1339"; + reg = <0x68>; + }; }; i2c@3100 { diff --git a/arch/powerpc/boot/dts/mpc8315erdb.dts b/arch/powerpc/boot/dts/mpc8315erdb.dts index b582032ba3d..d7a1ececa30 100644 --- a/arch/powerpc/boot/dts/mpc8315erdb.dts +++ b/arch/powerpc/boot/dts/mpc8315erdb.dts @@ -96,7 +96,7 @@ #address-cells = <1>; #size-cells = <1>; device_type = "soc"; - compatible = "simple-bus"; + compatible = "fsl,mpc8315-immr", "simple-bus"; ranges = <0 0xe0000000 0x00100000>; reg = <0xe0000000 0x00000200>; bus-frequency = <0>; diff --git a/arch/powerpc/boot/dts/mpc834x_mds.dts b/arch/powerpc/boot/dts/mpc834x_mds.dts index 7480edae85e..0199c5c548d 100644 --- a/arch/powerpc/boot/dts/mpc834x_mds.dts +++ b/arch/powerpc/boot/dts/mpc834x_mds.dts @@ -332,7 +332,7 @@ 0xc000 0x0 0x0 0x3 &ipic 23 0x8 0xc000 0x0 0x0 0x4 &ipic 20 0x8>; interrupt-parent = <&ipic>; - interrupts = <66 0x8>; + interrupts = <67 0x8>; bus-range = <0 0>; ranges = <0x02000000 0x0 0xb0000000 0xb0000000 0x0 0x10000000 0x42000000 0x0 0xa0000000 0xa0000000 0x0 0x10000000 diff --git a/arch/powerpc/boot/dts/mpc8572ds.dts b/arch/powerpc/boot/dts/mpc8572ds.dts index 813c259abbe..db37214aee3 100644 --- a/arch/powerpc/boot/dts/mpc8572ds.dts +++ b/arch/powerpc/boot/dts/mpc8572ds.dts @@ -42,6 +42,18 @@ bus-frequency = <0>; clock-frequency = <0>; }; + + PowerPC,8572@1 { + device_type = "cpu"; + reg = <1>; + d-cache-line-size = <20>; // 32 bytes + i-cache-line-size = <20>; // 32 bytes + d-cache-size = <8000>; // L1, 32K + i-cache-size = <8000>; // L1, 32K + timebase-frequency = <0>; + bus-frequency = <0>; + clock-frequency = <0>; + }; }; memory { diff --git a/arch/powerpc/boot/dts/mpc885ads.dts b/arch/powerpc/boot/dts/mpc885ads.dts index 8848e637293..d84a012c2aa 100644 --- a/arch/powerpc/boot/dts/mpc885ads.dts +++ b/arch/powerpc/boot/dts/mpc885ads.dts @@ -166,6 +166,7 @@ compatible = "fsl,mpc885-brg", "fsl,cpm1-brg", "fsl,cpm-brg"; + clock-frequency = <0>; reg = <9f0 10>; }; diff --git a/arch/powerpc/boot/dts/sequoia.dts b/arch/powerpc/boot/dts/sequoia.dts index d9046c1adcb..5c13d46f441 100644 --- a/arch/powerpc/boot/dts/sequoia.dts +++ b/arch/powerpc/boot/dts/sequoia.dts @@ -138,6 +138,14 @@ interrupts = <15 8>; }; + USB0: ehci@e0000300 { + compatible = "ibm,usb-ehci-440epx", "usb-ehci"; + interrupt-parent = <&UIC0>; + interrupts = <1a 4>; + reg = <0 e0000300 90 0 e0000390 70>; + big-endian; + }; + POB0: opb { compatible = "ibm,opb-440epx", "ibm,opb"; #address-cells = <1>; diff --git a/arch/powerpc/boot/dts/storcenter.dts b/arch/powerpc/boot/dts/storcenter.dts index 2204874ac5f..5893816c0bc 100644 --- a/arch/powerpc/boot/dts/storcenter.dts +++ b/arch/powerpc/boot/dts/storcenter.dts @@ -15,7 +15,7 @@ / { model = "StorCenter"; - compatible = "storcenter"; + compatible = "iomega,storcenter"; #address-cells = <1>; #size-cells = <1>; @@ -62,12 +62,12 @@ #size-cells = <0>; compatible = "fsl-i2c"; reg = <0x3000 0x100>; - interrupts = <5 2>; + interrupts = <17 2>; interrupt-parent = <&mpic>; rtc@68 { compatible = "dallas,ds1337"; - reg = <68>; + reg = <0x68>; }; }; @@ -78,7 +78,7 @@ reg = <0x4500 0x20>; clock-frequency = <97553800>; /* Hz */ current-speed = <115200>; - interrupts = <9 2>; + interrupts = <25 2>; interrupt-parent = <&mpic>; }; @@ -89,7 +89,7 @@ reg = <0x4600 0x20>; clock-frequency = <97553800>; /* Hz */ current-speed = <9600>; - interrupts = <10 2>; + interrupts = <26 2>; interrupt-parent = <&mpic>; }; @@ -136,6 +136,6 @@ }; chosen { - linux,stdout-path = "/soc/serial@4500"; + linux,stdout-path = &serial0; }; }; diff --git a/arch/powerpc/boot/wrapper b/arch/powerpc/boot/wrapper index 763a0c46f44..c3178155311 100755 --- a/arch/powerpc/boot/wrapper +++ b/arch/powerpc/boot/wrapper @@ -158,6 +158,29 @@ miboot|uboot) cuboot*) binary=y gzip= + case "$platform" in + *-mpc885ads|*-adder875*|*-ep88xc) + platformo=$object/cuboot-8xx.o + ;; + *5200*|*-motionpro) + platformo=$object/cuboot-52xx.o + ;; + *-pq2fads|*-ep8248e|*-mpc8272*|*-storcenter) + platformo=$object/cuboot-pq2.o + ;; + *-mpc824*) + platformo=$object/cuboot-824x.o + ;; + *-mpc83*) + platformo=$object/cuboot-83xx.o + ;; + *-tqm8541|*-mpc8560*|*-tqm8560|*-tqm8555*) + platformo=$object/cuboot-85xx-cpm2.o + ;; + *-mpc85*) + platformo=$object/cuboot-85xx.o + ;; + esac ;; ps3) platformo="$object/ps3-head.o $object/ps3-hvcall.o $object/ps3.o" diff --git a/arch/powerpc/configs/mpc83xx_defconfig b/arch/powerpc/configs/mpc83xx_defconfig index 31bdbf3f756..a9807f083bc 100644 --- a/arch/powerpc/configs/mpc83xx_defconfig +++ b/arch/powerpc/configs/mpc83xx_defconfig @@ -186,7 +186,7 @@ CONFIG_PREEMPT_NONE=y # CONFIG_PREEMPT is not set CONFIG_BINFMT_ELF=y # CONFIG_BINFMT_MISC is not set -# CONFIG_MATH_EMULATION is not set +CONFIG_MATH_EMULATION=y CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG=y CONFIG_ARCH_FLATMEM_ENABLE=y CONFIG_ARCH_POPULATES_NODE_MAP=y @@ -416,14 +416,14 @@ CONFIG_PHYLIB=y # MII PHY device drivers # CONFIG_MARVELL_PHY=y -# CONFIG_DAVICOM_PHY is not set +CONFIG_DAVICOM_PHY=y # CONFIG_QSEMI_PHY is not set # CONFIG_LXT_PHY is not set # CONFIG_CICADA_PHY is not set -# CONFIG_VITESSE_PHY is not set +CONFIG_VITESSE_PHY=y # CONFIG_SMSC_PHY is not set # CONFIG_BROADCOM_PHY is not set -# CONFIG_ICPLUS_PHY is not set +CONFIG_ICPLUS_PHY=y # CONFIG_FIXED_PHY is not set # CONFIG_MDIO_BITBANG is not set CONFIG_NET_ETHERNET=y @@ -436,7 +436,7 @@ CONFIG_MII=y CONFIG_NETDEV_1000=y CONFIG_GIANFAR=y # CONFIG_GFAR_NAPI is not set -# CONFIG_UCC_GETH is not set +CONFIG_UCC_GETH=y CONFIG_NETDEV_10000=y # diff --git a/arch/powerpc/kernel/Makefile b/arch/powerpc/kernel/Makefile index 58dbfeff9b4..0662ae46f72 100644 --- a/arch/powerpc/kernel/Makefile +++ b/arch/powerpc/kernel/Makefile @@ -2,6 +2,8 @@ # Makefile for the linux kernel. # +CFLAGS_ptrace.o += -DUTS_MACHINE='"$(UTS_MACHINE)"' + ifeq ($(CONFIG_PPC64),y) CFLAGS_prom_init.o += -mno-minimal-toc endif @@ -15,7 +17,7 @@ obj-y := semaphore.o cputable.o ptrace.o syscalls.o \ init_task.o process.o systbl.o idle.o \ signal.o obj-y += vdso32/ -obj-$(CONFIG_PPC64) += setup_64.o binfmt_elf32.o sys_ppc32.o \ +obj-$(CONFIG_PPC64) += setup_64.o sys_ppc32.o \ signal_64.o ptrace32.o \ paca.o cpu_setup_ppc970.o \ cpu_setup_pa6t.o \ diff --git a/arch/powerpc/kernel/asm-offsets.c b/arch/powerpc/kernel/asm-offsets.c index ed083feaf6f..e6e49289f78 100644 --- a/arch/powerpc/kernel/asm-offsets.c +++ b/arch/powerpc/kernel/asm-offsets.c @@ -22,6 +22,7 @@ #include <linux/mman.h> #include <linux/mm.h> #include <linux/suspend.h> +#include <linux/hrtimer.h> #ifdef CONFIG_PPC64 #include <linux/time.h> #include <linux/hardirq.h> @@ -312,7 +313,7 @@ int main(void) DEFINE(CLOCK_REALTIME, CLOCK_REALTIME); DEFINE(CLOCK_MONOTONIC, CLOCK_MONOTONIC); DEFINE(NSEC_PER_SEC, NSEC_PER_SEC); - DEFINE(CLOCK_REALTIME_RES, TICK_NSEC); + DEFINE(CLOCK_REALTIME_RES, (KTIME_MONOTONIC_RES).tv64); #ifdef CONFIG_BUG DEFINE(BUG_ENTRY_SIZE, sizeof(struct bug_entry)); diff --git a/arch/powerpc/kernel/binfmt_elf32.c b/arch/powerpc/kernel/binfmt_elf32.c deleted file mode 100644 index 1d45d7782d4..00000000000 --- a/arch/powerpc/kernel/binfmt_elf32.c +++ /dev/null @@ -1,69 +0,0 @@ -/* - * binfmt_elf32.c: Support 32-bit PPC ELF binaries on Power3 and followons. - * based on the SPARC64 version. - * Copyright (C) 1995, 1996, 1997, 1998 David S. Miller (davem@redhat.com) - * Copyright (C) 1995, 1996, 1997, 1998 Jakub Jelinek (jj@ultra.linux.cz) - * - * Copyright (C) 2000,2001 Ken Aaker (kdaaker@rchland.vnet.ibm.com), IBM Corp - * Copyright (C) 2001 Anton Blanchard (anton@au.ibm.com), IBM - * - * 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 <asm/processor.h> -#include <linux/module.h> -#include <linux/compat.h> -#include <linux/elfcore-compat.h> - -#undef ELF_ARCH -#undef ELF_CLASS -#define ELF_CLASS ELFCLASS32 -#define ELF_ARCH EM_PPC - -#undef elfhdr -#undef elf_phdr -#undef elf_note -#undef elf_addr_t -#define elfhdr elf32_hdr -#define elf_phdr elf32_phdr -#define elf_note elf32_note -#define elf_addr_t Elf32_Off - -#define elf_prstatus compat_elf_prstatus -#define elf_prpsinfo compat_elf_prpsinfo - -#define elf_core_copy_regs compat_elf_core_copy_regs -static inline void compat_elf_core_copy_regs(compat_elf_gregset_t *elf_regs, - struct pt_regs *regs) -{ - PPC_ELF_CORE_COPY_REGS((*elf_regs), regs); -} - -#define elf_core_copy_task_regs compat_elf_core_copy_task_regs -static int compat_elf_core_copy_task_regs(struct task_struct *tsk, - compat_elf_gregset_t *elf_regs) -{ - struct pt_regs *regs = tsk->thread.regs; - if (regs) - compat_elf_core_copy_regs(elf_regs, regs); - return 1; -} - -#include <linux/time.h> - -#undef cputime_to_timeval -#define cputime_to_timeval cputime_to_compat_timeval -static __inline__ void -cputime_to_compat_timeval(const cputime_t cputime, struct compat_timeval *value) -{ - unsigned long jiffies = cputime_to_jiffies(cputime); - value->tv_usec = (jiffies % HZ) * (1000000L / HZ); - value->tv_sec = jiffies / HZ; -} - -#define init_elf_binfmt init_elf32_binfmt - -#include "../../../fs/binfmt_elf.c" diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c index a4c2771b5e6..2a8f5cc5184 100644 --- a/arch/powerpc/kernel/cputable.c +++ b/arch/powerpc/kernel/cputable.c @@ -959,6 +959,9 @@ static struct cpu_spec __initdata cpu_specs[] = { .icache_bsize = 32, .dcache_bsize = 32, .cpu_setup = __setup_cpu_603, + .num_pmcs = 4, + .oprofile_cpu_type = "ppc/e300", + .oprofile_type = PPC_OPROFILE_FSL_EMB, .platform = "ppc603", }, { /* e300c4 (e300c1, plus one IU) */ @@ -971,6 +974,9 @@ static struct cpu_spec __initdata cpu_specs[] = { .dcache_bsize = 32, .cpu_setup = __setup_cpu_603, .machine_check = machine_check_generic, + .num_pmcs = 4, + .oprofile_cpu_type = "ppc/e300", + .oprofile_type = PPC_OPROFILE_FSL_EMB, .platform = "ppc603", }, { /* default match, we assume split I/D cache & TB (non-601)... */ @@ -1435,7 +1441,7 @@ static struct cpu_spec __initdata cpu_specs[] = { .dcache_bsize = 32, .num_pmcs = 4, .oprofile_cpu_type = "ppc/e500", - .oprofile_type = PPC_OPROFILE_BOOKE, + .oprofile_type = PPC_OPROFILE_FSL_EMB, .machine_check = machine_check_e500, .platform = "ppc8540", }, @@ -1453,7 +1459,7 @@ static struct cpu_spec __initdata cpu_specs[] = { .dcache_bsize = 32, .num_pmcs = 4, .oprofile_cpu_type = "ppc/e500", - .oprofile_type = PPC_OPROFILE_BOOKE, + .oprofile_type = PPC_OPROFILE_FSL_EMB, .machine_check = machine_check_e500, .platform = "ppc8548", }, diff --git a/arch/powerpc/kernel/dma_64.c b/arch/powerpc/kernel/dma_64.c index 84239076a5b..3a317cb0636 100644 --- a/arch/powerpc/kernel/dma_64.c +++ b/arch/powerpc/kernel/dma_64.c @@ -31,8 +31,8 @@ static inline unsigned long device_to_mask(struct device *dev) static void *dma_iommu_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle, gfp_t flag) { - return iommu_alloc_coherent(dev->archdata.dma_data, size, dma_handle, - device_to_mask(dev), flag, + return iommu_alloc_coherent(dev, dev->archdata.dma_data, size, + dma_handle, device_to_mask(dev), flag, dev->archdata.numa_node); } @@ -52,7 +52,7 @@ static dma_addr_t dma_iommu_map_single(struct device *dev, void *vaddr, size_t size, enum dma_data_direction direction) { - return iommu_map_single(dev->archdata.dma_data, vaddr, size, + return iommu_map_single(dev, dev->archdata.dma_data, vaddr, size, device_to_mask(dev), direction); } @@ -68,7 +68,7 @@ static void dma_iommu_unmap_single(struct device *dev, dma_addr_t dma_handle, static int dma_iommu_map_sg(struct device *dev, struct scatterlist *sglist, int nelems, enum dma_data_direction direction) { - return iommu_map_sg(dev->archdata.dma_data, sglist, nelems, + return iommu_map_sg(dev, sglist, nelems, device_to_mask(dev), direction); } diff --git a/arch/powerpc/kernel/iommu.c b/arch/powerpc/kernel/iommu.c index a3c406aca66..8f1f4e539c4 100644 --- a/arch/powerpc/kernel/iommu.c +++ b/arch/powerpc/kernel/iommu.c @@ -31,6 +31,7 @@ #include <linux/string.h> #include <linux/dma-mapping.h> #include <linux/bitops.h> +#include <linux/iommu-helper.h> #include <asm/io.h> #include <asm/prom.h> #include <asm/iommu.h> @@ -81,17 +82,19 @@ static int __init setup_iommu(char *str) __setup("protect4gb=", setup_protect4gb); __setup("iommu=", setup_iommu); -static unsigned long iommu_range_alloc(struct iommu_table *tbl, +static unsigned long iommu_range_alloc(struct device *dev, + struct iommu_table *tbl, unsigned long npages, unsigned long *handle, unsigned long mask, unsigned int align_order) { - unsigned long n, end, i, start; + unsigned long n, end, start; unsigned long limit; int largealloc = npages > 15; int pass = 0; unsigned long align_mask; + unsigned long boundary_size; align_mask = 0xffffffffffffffffl >> (64 - align_order); @@ -136,14 +139,17 @@ static unsigned long iommu_range_alloc(struct iommu_table *tbl, start &= mask; } - n = find_next_zero_bit(tbl->it_map, limit, start); - - /* Align allocation */ - n = (n + align_mask) & ~align_mask; - - end = n + npages; + if (dev) + boundary_size = ALIGN(dma_get_seg_boundary(dev) + 1, + 1 << IOMMU_PAGE_SHIFT); + else + boundary_size = ALIGN(1UL << 32, 1 << IOMMU_PAGE_SHIFT); + /* 4GB boundary for iseries_hv_alloc and iseries_hv_map */ - if (unlikely(end >= limit)) { + n = iommu_area_alloc(tbl->it_map, limit, start, npages, + tbl->it_offset, boundary_size >> IOMMU_PAGE_SHIFT, + align_mask); + if (n == -1) { if (likely(pass < 2)) { /* First failure, just rescan the half of the table. * Second failure, rescan the other half of the table. @@ -158,14 +164,7 @@ static unsigned long iommu_range_alloc(struct iommu_table *tbl, } } - for (i = n; i < end; i++) - if (test_bit(i, tbl->it_map)) { - start = i+1; - goto again; - } - - for (i = n; i < end; i++) - __set_bit(i, tbl->it_map); + end = n + npages; /* Bump the hint to a new block for small allocs. */ if (largealloc) { @@ -184,16 +183,17 @@ static unsigned long iommu_range_alloc(struct iommu_table *tbl, return n; } -static dma_addr_t iommu_alloc(struct iommu_table *tbl, void *page, - unsigned int npages, enum dma_data_direction direction, - unsigned long mask, unsigned int align_order) +static dma_addr_t iommu_alloc(struct device *dev, struct iommu_table *tbl, + void *page, unsigned int npages, + enum dma_data_direction direction, + unsigned long mask, unsigned int align_order) { unsigned long entry, flags; dma_addr_t ret = DMA_ERROR_CODE; spin_lock_irqsave(&(tbl->it_lock), flags); - entry = iommu_range_alloc(tbl, npages, NULL, mask, align_order); + entry = iommu_range_alloc(dev, tbl, npages, NULL, mask, align_order); if (unlikely(entry == DMA_ERROR_CODE)) { spin_unlock_irqrestore(&(tbl->it_lock), flags); @@ -224,7 +224,6 @@ static void __iommu_free(struct iommu_table *tbl, dma_addr_t dma_addr, unsigned int npages) { unsigned long entry, free_entry; - unsigned long i; entry = dma_addr >> IOMMU_PAGE_SHIFT; free_entry = entry - tbl->it_offset; @@ -246,9 +245,7 @@ static void __iommu_free(struct iommu_table *tbl, dma_addr_t dma_addr, } ppc_md.tce_free(tbl, entry, npages); - - for (i = 0; i < npages; i++) - __clear_bit(free_entry+i, tbl->it_map); + iommu_area_free(tbl->it_map, free_entry, npages); } static void iommu_free(struct iommu_table *tbl, dma_addr_t dma_addr, @@ -270,16 +267,18 @@ static void iommu_free(struct iommu_table *tbl, dma_addr_t dma_addr, spin_unlock_irqrestore(&(tbl->it_lock), flags); } -int iommu_map_sg(struct iommu_table *tbl, struct scatterlist *sglist, +int iommu_map_sg(struct device *dev, struct scatterlist *sglist, int nelems, unsigned long mask, enum dma_data_direction direction) { + struct iommu_table *tbl = dev->archdata.dma_data; dma_addr_t dma_next = 0, dma_addr; unsigned long flags; struct scatterlist *s, *outs, *segstart; int outcount, incount, i; unsigned int align; unsigned long handle; + unsigned int max_seg_size; BUG_ON(direction == DMA_NONE); @@ -298,6 +297,7 @@ int iommu_map_sg(struct iommu_table *tbl, struct scatterlist *sglist, spin_lock_irqsave(&(tbl->it_lock), flags); + max_seg_size = dma_get_max_seg_size(dev); for_each_sg(sglist, s, nelems, i) { unsigned long vaddr, npages, entry, slen; @@ -314,7 +314,7 @@ int iommu_map_sg(struct iommu_table *tbl, struct scatterlist *sglist, if (IOMMU_PAGE_SHIFT < PAGE_SHIFT && slen >= PAGE_SIZE && (vaddr & ~PAGE_MASK) == 0) align = PAGE_SHIFT - IOMMU_PAGE_SHIFT; - entry = iommu_range_alloc(tbl, npages, &handle, + entry = iommu_range_alloc(dev, tbl, npages, &handle, mask >> IOMMU_PAGE_SHIFT, align); DBG(" - vaddr: %lx, size: %lx\n", vaddr, slen); @@ -344,7 +344,8 @@ int iommu_map_sg(struct iommu_table *tbl, struct scatterlist *sglist, /* We cannot merge if: * - allocated dma_addr isn't contiguous to previous allocation */ - if (novmerge || (dma_addr != dma_next)) { + if (novmerge || (dma_addr != dma_next) || + (outs->dma_length + s->length > max_seg_size)) { /* Can't merge: create a new segment */ segstart = s; outcount++; @@ -452,9 +453,6 @@ void iommu_unmap_sg(struct iommu_table *tbl, struct scatterlist *sglist, struct iommu_table *iommu_init_table(struct iommu_table *tbl, int nid) { unsigned long sz; - unsigned long start_index, end_index; - unsigned long entries_per_4g; - unsigned long index; static int welcomed = 0; struct page *page; @@ -476,6 +474,7 @@ struct iommu_table *iommu_init_table(struct iommu_table *tbl, int nid) #ifdef CONFIG_CRASH_DUMP if (ppc_md.tce_get) { + unsigned long index; unsigned long tceval; unsigned long tcecount = 0; @@ -506,23 +505,6 @@ struct iommu_table *iommu_init_table(struct iommu_table *tbl, int nid) ppc_md.tce_free(tbl, tbl->it_offset, tbl->it_size); #endif - /* - * DMA cannot cross 4 GB boundary. Mark last entry of each 4 - * GB chunk as reserved. - */ - if (protect4gb) { - entries_per_4g = 0x100000000l >> IOMMU_PAGE_SHIFT; - - /* Mark the last bit before a 4GB boundary as used */ - start_index = tbl->it_offset | (entries_per_4g - 1); - start_index -= tbl->it_offset; - - end_index = tbl->it_size; - - for (index = start_index; index < end_index - 1; index += entries_per_4g) - __set_bit(index, tbl->it_map); - } - if (!welcomed) { printk(KERN_INFO "IOMMU table initialized, virtual merging %s\n", novmerge ? "disabled" : "enabled"); @@ -570,9 +552,9 @@ void iommu_free_table(struct iommu_table *tbl, const char *node_name) * need not be page aligned, the dma_addr_t returned will point to the same * byte within the page as vaddr. */ -dma_addr_t iommu_map_single(struct iommu_table *tbl, void *vaddr, - size_t size, unsigned long mask, - enum dma_data_direction direction) +dma_addr_t iommu_map_single(struct device *dev, struct iommu_table *tbl, + void *vaddr, size_t size, unsigned long mask, + enum dma_data_direction direction) { dma_addr_t dma_handle = DMA_ERROR_CODE; unsigned long uaddr; @@ -589,7 +571,7 @@ dma_addr_t iommu_map_single(struct iommu_table *tbl, void *vaddr, ((unsigned long)vaddr & ~PAGE_MASK) == 0) align = PAGE_SHIFT - IOMMU_PAGE_SHIFT; - dma_handle = iommu_alloc(tbl, vaddr, npages, direction, + dma_handle = iommu_alloc(dev, tbl, vaddr, npages, direction, mask >> IOMMU_PAGE_SHIFT, align); if (dma_handle == DMA_ERROR_CODE) { if (printk_ratelimit()) { @@ -621,8 +603,9 @@ void iommu_unmap_single(struct iommu_table *tbl, dma_addr_t dma_handle, * Returns the virtual address of the buffer and sets dma_handle * to the dma address (mapping) of the first page. */ -void *iommu_alloc_coherent(struct iommu_table *tbl, size_t size, - dma_addr_t *dma_handle, unsigned long mask, gfp_t flag, int node) +void *iommu_alloc_coherent(struct device *dev, struct iommu_table *tbl, + size_t size, dma_addr_t *dma_handle, + unsigned long mask, gfp_t flag, int node) { void *ret = NULL; dma_addr_t mapping; @@ -656,7 +639,7 @@ void *iommu_alloc_coherent(struct iommu_table *tbl, size_t size, /* Set up tces to cover the allocated range */ nio_pages = size >> IOMMU_PAGE_SHIFT; io_order = get_iommu_order(size); - mapping = iommu_alloc(tbl, ret, nio_pages, DMA_BIDIRECTIONAL, + mapping = iommu_alloc(dev, tbl, ret, nio_pages, DMA_BIDIRECTIONAL, mask >> IOMMU_PAGE_SHIFT, io_order); if (mapping == DMA_ERROR_CODE) { free_pages((unsigned long)ret, order); diff --git a/arch/powerpc/kernel/legacy_serial.c b/arch/powerpc/kernel/legacy_serial.c index 76b862bd1fe..61dd17449dd 100644 --- a/arch/powerpc/kernel/legacy_serial.c +++ b/arch/powerpc/kernel/legacy_serial.c @@ -36,7 +36,8 @@ static struct legacy_serial_info { static struct __initdata of_device_id parents[] = { {.type = "soc",}, {.type = "tsi-bridge",}, - {.type = "opb", .compatible = "ibm,opb",}, + {.type = "opb", }, + {.compatible = "ibm,opb",}, {.compatible = "simple-bus",}, {.compatible = "wrs,epld-localbus",}, }; diff --git a/arch/powerpc/kernel/pmc.c b/arch/powerpc/kernel/pmc.c index ea04e0ab3f2..0516e2d3e02 100644 --- a/arch/powerpc/kernel/pmc.c +++ b/arch/powerpc/kernel/pmc.c @@ -26,7 +26,7 @@ static void dummy_perf(struct pt_regs *regs) { -#if defined(CONFIG_FSL_BOOKE) && !defined(CONFIG_E200) +#if defined(CONFIG_FSL_EMB_PERFMON) mtpmr(PMRN_PMGC0, mfpmr(PMRN_PMGC0) & ~PMGC0_PMIE); #elif defined(CONFIG_PPC64) || defined(CONFIG_6xx) if (cur_cpu_spec->pmc_type == PPC_PMC_IBM) diff --git a/arch/powerpc/kernel/ptrace.c b/arch/powerpc/kernel/ptrace.c index 8b056d2295c..7673e986573 100644 --- a/arch/powerpc/kernel/ptrace.c +++ b/arch/powerpc/kernel/ptrace.c @@ -21,6 +21,8 @@ #include <linux/smp.h> #include <linux/errno.h> #include <linux/ptrace.h> +#include <linux/regset.h> +#include <linux/elf.h> #include <linux/user.h> #include <linux/security.h> #include <linux/signal.h> @@ -58,20 +60,38 @@ #define PT_MAX_PUT_REG PT_CCR #endif +static unsigned long get_user_msr(struct task_struct *task) +{ + return task->thread.regs->msr | task->thread.fpexc_mode; +} + +static int set_user_msr(struct task_struct *task, unsigned long msr) +{ + task->thread.regs->msr &= ~MSR_DEBUGCHANGE; + task->thread.regs->msr |= msr & MSR_DEBUGCHANGE; + return 0; +} + +/* + * We prevent mucking around with the reserved area of trap + * which are used internally by the kernel. + */ +static int set_user_trap(struct task_struct *task, unsigned long trap) +{ + task->thread.regs->trap = trap & 0xfff0; + return 0; +} + /* * Get contents of register REGNO in task TASK. */ unsigned long ptrace_get_reg(struct task_struct *task, int regno) { - unsigned long tmp = 0; - if (task->thread.regs == NULL) return -EIO; - if (regno == PT_MSR) { - tmp = ((unsigned long *)task->thread.regs)[PT_MSR]; - return tmp | task->thread.fpexc_mode; - } + if (regno == PT_MSR) + return get_user_msr(task); if (regno < (sizeof(struct pt_regs) / sizeof(unsigned long))) return ((unsigned long *)task->thread.regs)[regno]; @@ -87,40 +107,134 @@ int ptrace_put_reg(struct task_struct *task, int regno, unsigned long data) if (task->thread.regs == NULL) return -EIO; - if (regno <= PT_MAX_PUT_REG || regno == PT_TRAP) { - if (regno == PT_MSR) - data = (data & MSR_DEBUGCHANGE) - | (task->thread.regs->msr & ~MSR_DEBUGCHANGE); - /* We prevent mucking around with the reserved area of trap - * which are used internally by the kernel - */ - if (regno == PT_TRAP) - data &= 0xfff0; + if (regno == PT_MSR) + return set_user_msr(task, data); + if (regno == PT_TRAP) + return set_user_trap(task, data); + + if (regno <= PT_MAX_PUT_REG) { ((unsigned long *)task->thread.regs)[regno] = data; return 0; } return -EIO; } +static int gpr_get(struct task_struct *target, const struct user_regset *regset, + unsigned int pos, unsigned int count, + void *kbuf, void __user *ubuf) +{ + int ret; + + if (target->thread.regs == NULL) + return -EIO; + + CHECK_FULL_REGS(target->thread.regs); + + ret = user_regset_copyout(&pos, &count, &kbuf, &ubuf, + target->thread.regs, + 0, offsetof(struct pt_regs, msr)); + if (!ret) { + unsigned long msr = get_user_msr(target); + ret = user_regset_copyout(&pos, &count, &kbuf, &ubuf, &msr, + offsetof(struct pt_regs, msr), + offsetof(struct pt_regs, msr) + + sizeof(msr)); + } + + BUILD_BUG_ON(offsetof(struct pt_regs, orig_gpr3) != + offsetof(struct pt_regs, msr) + sizeof(long)); + + if (!ret) + ret = user_regset_copyout(&pos, &count, &kbuf, &ubuf, + &target->thread.regs->orig_gpr3, + offsetof(struct pt_regs, orig_gpr3), + sizeof(struct pt_regs)); + if (!ret) + ret = user_regset_copyout_zero(&pos, &count, &kbuf, &ubuf, + sizeof(struct pt_regs), -1); + + return ret; +} + +static int gpr_set(struct task_struct *target, const struct user_regset *regset, + unsigned int pos, unsigned int count, + const void *kbuf, const void __user *ubuf) +{ + unsigned long reg; + int ret; + + if (target->thread.regs == NULL) + return -EIO; + + CHECK_FULL_REGS(target->thread.regs); + + ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, + target->thread.regs, + 0, PT_MSR * sizeof(reg)); -static int get_fpregs(void __user *data, struct task_struct *task, - int has_fpscr) + if (!ret && count > 0) { + ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, ®, + PT_MSR * sizeof(reg), + (PT_MSR + 1) * sizeof(reg)); + if (!ret) + ret = set_user_msr(target, reg); + } + + BUILD_BUG_ON(offsetof(struct pt_regs, orig_gpr3) != + offsetof(struct pt_regs, msr) + sizeof(long)); + + if (!ret) + ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, + &target->thread.regs->orig_gpr3, + PT_ORIG_R3 * sizeof(reg), + (PT_MAX_PUT_REG + 1) * sizeof(reg)); + + if (PT_MAX_PUT_REG + 1 < PT_TRAP && !ret) + ret = user_regset_copyin_ignore( + &pos, &count, &kbuf, &ubuf, + (PT_MAX_PUT_REG + 1) * sizeof(reg), + PT_TRAP * sizeof(reg)); + + if (!ret && count > 0) { + ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, ®, + PT_TRAP * sizeof(reg), + (PT_TRAP + 1) * sizeof(reg)); + if (!ret) + ret = set_user_trap(target, reg); + } + + if (!ret) + ret = user_regset_copyin_ignore( + &pos, &count, &kbuf, &ubuf, + (PT_TRAP + 1) * sizeof(reg), -1); + + return ret; +} + +static int fpr_get(struct task_struct *target, const struct user_regset *regset, + unsigned int pos, unsigned int count, + void *kbuf, void __user *ubuf) { - unsigned int count = has_fpscr ? 33 : 32; + flush_fp_to_thread(target); - if (copy_to_user(data, task->thread.fpr, count * sizeof(double))) - return -EFAULT; - return 0; + BUILD_BUG_ON(offsetof(struct thread_struct, fpscr) != + offsetof(struct thread_struct, fpr[32])); + + return user_regset_copyout(&pos, &count, &kbuf, &ubuf, + &target->thread.fpr, 0, -1); } -static int set_fpregs(void __user *data, struct task_struct *task, - int has_fpscr) +static int fpr_set(struct task_struct *target, const struct user_regset *regset, + unsigned int pos, unsigned int count, + const void *kbuf, const void __user *ubuf) { - unsigned int count = has_fpscr ? 33 : 32; + flush_fp_to_thread(target); - if (copy_from_user(task->thread.fpr, data, count * sizeof(double))) - return -EFAULT; - return 0; + BUILD_BUG_ON(offsetof(struct thread_struct, fpscr) != + offsetof(struct thread_struct, fpr[32])); + + return user_regset_copyin(&pos, &count, &kbuf, &ubuf, + &target->thread.fpr, 0, -1); } @@ -138,56 +252,74 @@ static int set_fpregs(void __user *data, struct task_struct *task, * (combined (32- and 64-bit) gdb. */ -/* - * Get contents of AltiVec register state in task TASK - */ -static int get_vrregs(unsigned long __user *data, struct task_struct *task) +static int vr_active(struct task_struct *target, + const struct user_regset *regset) { - unsigned long regsize; + flush_altivec_to_thread(target); + return target->thread.used_vr ? regset->n : 0; +} - /* copy AltiVec registers VR[0] .. VR[31] */ - regsize = 32 * sizeof(vector128); - if (copy_to_user(data, task->thread.vr, regsize)) - return -EFAULT; - data += (regsize / sizeof(unsigned long)); +static int vr_get(struct task_struct *target, const struct user_regset *regset, + unsigned int pos, unsigned int count, + void *kbuf, void __user *ubuf) +{ + int ret; - /* copy VSCR */ - regsize = 1 * sizeof(vector128); - if (copy_to_user(data, &task->thread.vscr, regsize)) - return -EFAULT; - data += (regsize / sizeof(unsigned long)); + flush_altivec_to_thread(target); - /* copy VRSAVE */ - if (put_user(task->thread.vrsave, (u32 __user *)data)) - return -EFAULT; + BUILD_BUG_ON(offsetof(struct thread_struct, vscr) != + offsetof(struct thread_struct, vr[32])); - return 0; + ret = user_regset_copyout(&pos, &count, &kbuf, &ubuf, + &target->thread.vr, 0, + 33 * sizeof(vector128)); + if (!ret) { + /* + * Copy out only the low-order word of vrsave. + */ + union { + elf_vrreg_t reg; + u32 word; + } vrsave; + memset(&vrsave, 0, sizeof(vrsave)); + vrsave.word = target->thread.vrsave; + ret = user_regset_copyout(&pos, &count, &kbuf, &ubuf, &vrsave, + 33 * sizeof(vector128), -1); + } + + return ret; } -/* - * Write contents of AltiVec register state into task TASK. - */ -static int set_vrregs(struct task_struct *task, unsigned long __user *data) +static int vr_set(struct task_struct *target, const struct user_regset *regset, + unsigned int pos, unsigned int count, + const void *kbuf, const void __user *ubuf) { - unsigned long regsize; + int ret; - /* copy AltiVec registers VR[0] .. VR[31] */ - regsize = 32 * sizeof(vector128); - if (copy_from_user(task->thread.vr, data, regsize)) - return -EFAULT; - data += (regsize / sizeof(unsigned long)); + flush_altivec_to_thread(target); - /* copy VSCR */ - regsize = 1 * sizeof(vector128); - if (copy_from_user(&task->thread.vscr, data, regsize)) - return -EFAULT; - data += (regsize / sizeof(unsigned long)); + BUILD_BUG_ON(offsetof(struct thread_struct, vscr) != + offsetof(struct thread_struct, vr[32])); - /* copy VRSAVE */ - if (get_user(task->thread.vrsave, (u32 __user *)data)) - return -EFAULT; + ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, + &target->thread.vr, 0, 33 * sizeof(vector128)); + if (!ret && count > 0) { + /* + * We use only the first word of vrsave. + */ + union { + elf_vrreg_t reg; + u32 word; + } vrsave; + memset(&vrsave, 0, sizeof(vrsave)); + vrsave.word = target->thread.vrsave; + ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, &vrsave, + 33 * sizeof(vector128), -1); + if (!ret) + target->thread.vrsave = vrsave.word; + } - return 0; + return ret; } #endif /* CONFIG_ALTIVEC */ @@ -203,57 +335,273 @@ static int set_vrregs(struct task_struct *task, unsigned long __user *data) * } */ -/* - * Get contents of SPE register state in task TASK. - */ -static int get_evrregs(unsigned long *data, struct task_struct *task) +static int evr_active(struct task_struct *target, + const struct user_regset *regset) { - int i; + flush_spe_to_thread(target); + return target->thread.used_spe ? regset->n : 0; +} - if (!access_ok(VERIFY_WRITE, data, 35 * sizeof(unsigned long))) - return -EFAULT; +static int evr_get(struct task_struct *target, const struct user_regset *regset, + unsigned int pos, unsigned int count, + void *kbuf, void __user *ubuf) +{ + int ret; - /* copy SPEFSCR */ - if (__put_user(task->thread.spefscr, &data[34])) - return -EFAULT; + flush_spe_to_thread(target); - /* copy SPE registers EVR[0] .. EVR[31] */ - for (i = 0; i < 32; i++, data++) - if (__put_user(task->thread.evr[i], data)) - return -EFAULT; + ret = user_regset_copyout(&pos, &count, &kbuf, &ubuf, + &target->thread.evr, + 0, sizeof(target->thread.evr)); - /* copy ACC */ - if (__put_user64(task->thread.acc, (unsigned long long *)data)) - return -EFAULT; + BUILD_BUG_ON(offsetof(struct thread_struct, acc) + sizeof(u64) != + offsetof(struct thread_struct, spefscr)); - return 0; + if (!ret) + ret = user_regset_copyout(&pos, &count, &kbuf, &ubuf, + &target->thread.acc, + sizeof(target->thread.evr), -1); + + return ret; +} + +static int evr_set(struct task_struct *target, const struct user_regset *regset, + unsigned int pos, unsigned int count, + const void *kbuf, const void __user *ubuf) +{ + int ret; + + flush_spe_to_thread(target); + + ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, + &target->thread.evr, + 0, sizeof(target->thread.evr)); + + BUILD_BUG_ON(offsetof(struct thread_struct, acc) + sizeof(u64) != + offsetof(struct thread_struct, spefscr)); + + if (!ret) + ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, + &target->thread.acc, + sizeof(target->thread.evr), -1); + + return ret; } +#endif /* CONFIG_SPE */ + /* - * Write contents of SPE register state into task TASK. + * These are our native regset flavors. */ -static int set_evrregs(struct task_struct *task, unsigned long *data) +enum powerpc_regset { + REGSET_GPR, + REGSET_FPR, +#ifdef CONFIG_ALTIVEC + REGSET_VMX, +#endif +#ifdef CONFIG_SPE + REGSET_SPE, +#endif +}; + +static const struct user_regset native_regsets[] = { + [REGSET_GPR] = { + .core_note_type = NT_PRSTATUS, .n = ELF_NGREG, + .size = sizeof(long), .align = sizeof(long), + .get = gpr_get, .set = gpr_set + }, + [REGSET_FPR] = { + .core_note_type = NT_PRFPREG, .n = ELF_NFPREG, + .size = sizeof(double), .align = sizeof(double), + .get = fpr_get, .set = fpr_set + }, +#ifdef CONFIG_ALTIVEC + [REGSET_VMX] = { + .core_note_type = NT_PPC_VMX, .n = 34, + .size = sizeof(vector128), .align = sizeof(vector128), + .active = vr_active, .get = vr_get, .set = vr_set + }, +#endif +#ifdef CONFIG_SPE + [REGSET_SPE] = { + .n = 35, + .size = sizeof(u32), .align = sizeof(u32), + .active = evr_active, .get = evr_get, .set = evr_set + }, +#endif +}; + +static const struct user_regset_view user_ppc_native_view = { + .name = UTS_MACHINE, .e_machine = ELF_ARCH, .ei_osabi = ELF_OSABI, + .regsets = native_regsets, .n = ARRAY_SIZE(native_regsets) +}; + +#ifdef CONFIG_PPC64 +#include <linux/compat.h> + +static int gpr32_get(struct task_struct *target, + const struct user_regset *regset, + unsigned int pos, unsigned int count, + void *kbuf, void __user *ubuf) { - int i; + const unsigned long *regs = &target->thread.regs->gpr[0]; + compat_ulong_t *k = kbuf; + compat_ulong_t __user *u = ubuf; + compat_ulong_t reg; + + if (target->thread.regs == NULL) + return -EIO; + + CHECK_FULL_REGS(target->thread.regs); - if (!access_ok(VERIFY_READ, data, 35 * sizeof(unsigned long))) - return -EFAULT; + pos /= sizeof(reg); + count /= sizeof(reg); - /* copy SPEFSCR */ - if (__get_user(task->thread.spefscr, &data[34])) - return -EFAULT; + if (kbuf) + for (; count > 0 && pos < PT_MSR; --count) + *k++ = regs[pos++]; + else + for (; count > 0 && pos < PT_MSR; --count) + if (__put_user((compat_ulong_t) regs[pos++], u++)) + return -EFAULT; - /* copy SPE registers EVR[0] .. EVR[31] */ - for (i = 0; i < 32; i++, data++) - if (__get_user(task->thread.evr[i], data)) + if (count > 0 && pos == PT_MSR) { + reg = get_user_msr(target); + if (kbuf) + *k++ = reg; + else if (__put_user(reg, u++)) return -EFAULT; - /* copy ACC */ - if (__get_user64(task->thread.acc, (unsigned long long*)data)) - return -EFAULT; + ++pos; + --count; + } - return 0; + if (kbuf) + for (; count > 0 && pos < PT_REGS_COUNT; --count) + *k++ = regs[pos++]; + else + for (; count > 0 && pos < PT_REGS_COUNT; --count) + if (__put_user((compat_ulong_t) regs[pos++], u++)) + return -EFAULT; + + kbuf = k; + ubuf = u; + pos *= sizeof(reg); + count *= sizeof(reg); + return user_regset_copyout_zero(&pos, &count, &kbuf, &ubuf, + PT_REGS_COUNT * sizeof(reg), -1); +} + +static int gpr32_set(struct task_struct *target, + const struct user_regset *regset, + unsigned int pos, unsigned int count, + const void *kbuf, const void __user *ubuf) +{ + unsigned long *regs = &target->thread.regs->gpr[0]; + const compat_ulong_t *k = kbuf; + const compat_ulong_t __user *u = ubuf; + compat_ulong_t reg; + + if (target->thread.regs == NULL) + return -EIO; + + CHECK_FULL_REGS(target->thread.regs); + + pos /= sizeof(reg); + count /= sizeof(reg); + + if (kbuf) + for (; count > 0 && pos < PT_MSR; --count) + regs[pos++] = *k++; + else + for (; count > 0 && pos < PT_MSR; --count) { + if (__get_user(reg, u++)) + return -EFAULT; + regs[pos++] = reg; + } + + + if (count > 0 && pos == PT_MSR) { + if (kbuf) + reg = *k++; + else if (__get_user(reg, u++)) + return -EFAULT; + set_user_msr(target, reg); + ++pos; + --count; + } + + if (kbuf) + for (; count > 0 && pos <= PT_MAX_PUT_REG; --count) + regs[pos++] = *k++; + else + for (; count > 0 && pos <= PT_MAX_PUT_REG; --count) { + if (__get_user(reg, u++)) + return -EFAULT; + regs[pos++] = reg; + } + + if (count > 0 && pos == PT_TRAP) { + if (kbuf) + reg = *k++; + else if (__get_user(reg, u++)) + return -EFAULT; + set_user_trap(target, reg); + ++pos; + --count; + } + + kbuf = k; + ubuf = u; + pos *= sizeof(reg); + count *= sizeof(reg); + return user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf, + (PT_TRAP + 1) * sizeof(reg), -1); +} + +/* + * These are the regset flavors matching the CONFIG_PPC32 native set. + */ +static const struct user_regset compat_regsets[] = { + [REGSET_GPR] = { + .core_note_type = NT_PRSTATUS, .n = ELF_NGREG, + .size = sizeof(compat_long_t), .align = sizeof(compat_long_t), + .get = gpr32_get, .set = gpr32_set + }, + [REGSET_FPR] = { + .core_note_type = NT_PRFPREG, .n = ELF_NFPREG, + .size = sizeof(double), .align = sizeof(double), + .get = fpr_get, .set = fpr_set + }, +#ifdef CONFIG_ALTIVEC + [REGSET_VMX] = { + .core_note_type = NT_PPC_VMX, .n = 34, + .size = sizeof(vector128), .align = sizeof(vector128), + .active = vr_active, .get = vr_get, .set = vr_set + }, +#endif +#ifdef CONFIG_SPE + [REGSET_SPE] = { + .core_note_type = NT_PPC_SPE, .n = 35, + .size = sizeof(u32), .align = sizeof(u32), + .active = evr_active, .get = evr_get, .set = evr_set + }, +#endif +}; + +static const struct user_regset_view user_ppc_compat_view = { + .name = "ppc", .e_machine = EM_PPC, .ei_osabi = ELF_OSABI, + .regsets = compat_regsets, .n = ARRAY_SIZE(compat_regsets) +}; +#endif /* CONFIG_PPC64 */ + +const struct user_regset_view *task_user_regset_view(struct task_struct *task) +{ +#ifdef CONFIG_PPC64 + if (test_tsk_thread_flag(task, TIF_32BIT)) + return &user_ppc_compat_view; +#endif + return &user_ppc_native_view; } -#endif /* CONFIG_SPE */ void user_enable_single_step(struct task_struct *task) @@ -323,55 +671,29 @@ void ptrace_disable(struct task_struct *child) static long arch_ptrace_old(struct task_struct *child, long request, long addr, long data) { - int ret = -EPERM; - - switch(request) { - case PPC_PTRACE_GETREGS: { /* Get GPRs 0 - 31. */ - int i; - unsigned long *reg = &((unsigned long *)child->thread.regs)[0]; - unsigned long __user *tmp = (unsigned long __user *)addr; - - CHECK_FULL_REGS(child->thread.regs); - for (i = 0; i < 32; i++) { - ret = put_user(*reg, tmp); - if (ret) - break; - reg++; - tmp++; - } - break; - } - - case PPC_PTRACE_SETREGS: { /* Set GPRs 0 - 31. */ - int i; - unsigned long *reg = &((unsigned long *)child->thread.regs)[0]; - unsigned long __user *tmp = (unsigned long __user *)addr; - - CHECK_FULL_REGS(child->thread.regs); - for (i = 0; i < 32; i++) { - ret = get_user(*reg, tmp); - if (ret) - break; - reg++; - tmp++; - } - break; - } - - case PPC_PTRACE_GETFPREGS: { /* Get FPRs 0 - 31. */ - flush_fp_to_thread(child); - ret = get_fpregs((void __user *)addr, child, 0); - break; - } - - case PPC_PTRACE_SETFPREGS: { /* Get FPRs 0 - 31. */ - flush_fp_to_thread(child); - ret = set_fpregs((void __user *)addr, child, 0); - break; + switch (request) { + case PPC_PTRACE_GETREGS: /* Get GPRs 0 - 31. */ + return copy_regset_to_user(child, &user_ppc_native_view, + REGSET_GPR, 0, 32 * sizeof(long), + (void __user *) data); + + case PPC_PTRACE_SETREGS: /* Set GPRs 0 - 31. */ + return copy_regset_from_user(child, &user_ppc_native_view, + REGSET_GPR, 0, 32 * sizeof(long), + (const void __user *) data); + + case PPC_PTRACE_GETFPREGS: /* Get FPRs 0 - 31. */ + return copy_regset_to_user(child, &user_ppc_native_view, + REGSET_FPR, 0, 32 * sizeof(double), + (void __user *) data); + + case PPC_PTRACE_SETFPREGS: /* Set FPRs 0 - 31. */ + return copy_regset_from_user(child, &user_ppc_native_view, + REGSET_FPR, 0, 32 * sizeof(double), + (const void __user *) data); } - } - return ret; + return -EPERM; } long arch_ptrace(struct task_struct *child, long request, long addr, long data) @@ -379,12 +701,6 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) int ret = -EPERM; switch (request) { - /* when I and D space are separate, these will need to be fixed. */ - case PTRACE_PEEKTEXT: /* read word at location addr. */ - case PTRACE_PEEKDATA: - ret = generic_ptrace_peekdata(child, addr, data); - break; - /* read the word at location addr in the USER area. */ case PTRACE_PEEKUSR: { unsigned long index, tmp; @@ -412,12 +728,6 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) break; } - /* If I and D space are separate, this will have to be fixed. */ - case PTRACE_POKETEXT: /* write the word at location addr. */ - case PTRACE_POKEDATA: - ret = generic_ptrace_pokedata(child, addr, data); - break; - /* write the word at location addr in the USER area */ case PTRACE_POKEUSR: { unsigned long index; @@ -462,85 +772,60 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) #ifdef CONFIG_PPC64 case PTRACE_GETREGS64: #endif - case PTRACE_GETREGS: { /* Get all pt_regs from the child. */ - int ui; - if (!access_ok(VERIFY_WRITE, (void __user *)data, - sizeof(struct pt_regs))) { - ret = -EIO; - break; - } - CHECK_FULL_REGS(child->thread.regs); - ret = 0; - for (ui = 0; ui < PT_REGS_COUNT; ui ++) { - ret |= __put_user(ptrace_get_reg(child, ui), - (unsigned long __user *) data); - data += sizeof(long); - } - break; - } + case PTRACE_GETREGS: /* Get all pt_regs from the child. */ + return copy_regset_to_user(child, &user_ppc_native_view, + REGSET_GPR, + 0, sizeof(struct pt_regs), + (void __user *) data); #ifdef CONFIG_PPC64 case PTRACE_SETREGS64: #endif - case PTRACE_SETREGS: { /* Set all gp regs in the child. */ - unsigned long tmp; - int ui; - if (!access_ok(VERIFY_READ, (void __user *)data, - sizeof(struct pt_regs))) { - ret = -EIO; - break; - } - CHECK_FULL_REGS(child->thread.regs); - ret = 0; - for (ui = 0; ui < PT_REGS_COUNT; ui ++) { - ret = __get_user(tmp, (unsigned long __user *) data); - if (ret) - break; - ptrace_put_reg(child, ui, tmp); - data += sizeof(long); - } - break; - } - - case PTRACE_GETFPREGS: { /* Get the child FPU state (FPR0...31 + FPSCR) */ - flush_fp_to_thread(child); - ret = get_fpregs((void __user *)data, child, 1); - break; - } - - case PTRACE_SETFPREGS: { /* Set the child FPU state (FPR0...31 + FPSCR) */ - flush_fp_to_thread(child); - ret = set_fpregs((void __user *)data, child, 1); - break; - } + case PTRACE_SETREGS: /* Set all gp regs in the child. */ + return copy_regset_from_user(child, &user_ppc_native_view, + REGSET_GPR, + 0, sizeof(struct pt_regs), + (const void __user *) data); + + case PTRACE_GETFPREGS: /* Get the child FPU state (FPR0...31 + FPSCR) */ + return copy_regset_to_user(child, &user_ppc_native_view, + REGSET_FPR, + 0, sizeof(elf_fpregset_t), + (void __user *) data); + + case PTRACE_SETFPREGS: /* Set the child FPU state (FPR0...31 + FPSCR) */ + return copy_regset_from_user(child, &user_ppc_native_view, + REGSET_FPR, + 0, sizeof(elf_fpregset_t), + (const void __user *) data); #ifdef CONFIG_ALTIVEC case PTRACE_GETVRREGS: - /* Get the child altivec register state. */ - flush_altivec_to_thread(child); - ret = get_vrregs((unsigned long __user *)data, child); - break; + return copy_regset_to_user(child, &user_ppc_native_view, + REGSET_VMX, + 0, (33 * sizeof(vector128) + + sizeof(u32)), + (void __user *) data); case PTRACE_SETVRREGS: - /* Set the child altivec register state. */ - flush_altivec_to_thread(child); - ret = set_vrregs(child, (unsigned long __user *)data); - break; + return copy_regset_from_user(child, &user_ppc_native_view, + REGSET_VMX, + 0, (33 * sizeof(vector128) + + sizeof(u32)), + (const void __user *) data); #endif #ifdef CONFIG_SPE case PTRACE_GETEVRREGS: /* Get the child spe register state. */ - flush_spe_to_thread(child); - ret = get_evrregs((unsigned long __user *)data, child); - break; + return copy_regset_to_user(child, &user_ppc_native_view, + REGSET_SPE, 0, 35 * sizeof(u32), + (void __user *) data); case PTRACE_SETEVRREGS: /* Set the child spe register state. */ - /* this is to clear the MSR_SPE bit to force a reload - * of register state from memory */ - flush_spe_to_thread(child); - ret = set_evrregs(child, (unsigned long __user *)data); - break; + return copy_regset_from_user(child, &user_ppc_native_view, + REGSET_SPE, 0, 35 * sizeof(u32), + (const void __user *) data); #endif /* Old reverse args ptrace callss */ diff --git a/arch/powerpc/kernel/ptrace32.c b/arch/powerpc/kernel/ptrace32.c index fea6206ff90..4c1de6af4c0 100644 --- a/arch/powerpc/kernel/ptrace32.c +++ b/arch/powerpc/kernel/ptrace32.c @@ -24,9 +24,11 @@ #include <linux/smp_lock.h> #include <linux/errno.h> #include <linux/ptrace.h> +#include <linux/regset.h> #include <linux/user.h> #include <linux/security.h> #include <linux/signal.h> +#include <linux/compat.h> #include <asm/uaccess.h> #include <asm/page.h> @@ -45,87 +47,31 @@ static long compat_ptrace_old(struct task_struct *child, long request, long addr, long data) { - int ret = -EPERM; - - switch(request) { - case PPC_PTRACE_GETREGS: { /* Get GPRs 0 - 31. */ - int i; - unsigned long *reg = &((unsigned long *)child->thread.regs)[0]; - unsigned int __user *tmp = (unsigned int __user *)addr; - - CHECK_FULL_REGS(child->thread.regs); - for (i = 0; i < 32; i++) { - ret = put_user(*reg, tmp); - if (ret) - break; - reg++; - tmp++; - } - break; - } - - case PPC_PTRACE_SETREGS: { /* Set GPRs 0 - 31. */ - int i; - unsigned long *reg = &((unsigned long *)child->thread.regs)[0]; - unsigned int __user *tmp = (unsigned int __user *)addr; - - CHECK_FULL_REGS(child->thread.regs); - for (i = 0; i < 32; i++) { - ret = get_user(*reg, tmp); - if (ret) - break; - reg++; - tmp++; - } - break; + switch (request) { + case PPC_PTRACE_GETREGS: /* Get GPRs 0 - 31. */ + return copy_regset_to_user(child, + task_user_regset_view(current), 0, + 0, 32 * sizeof(compat_long_t), + compat_ptr(data)); + + case PPC_PTRACE_SETREGS: /* Set GPRs 0 - 31. */ + return copy_regset_from_user(child, + task_user_regset_view(current), 0, + 0, 32 * sizeof(compat_long_t), + compat_ptr(data)); } - } - return ret; + return -EPERM; } -long compat_sys_ptrace(int request, int pid, unsigned long addr, - unsigned long data) +long compat_arch_ptrace(struct task_struct *child, compat_long_t request, + compat_ulong_t caddr, compat_ulong_t cdata) { - struct task_struct *child; + unsigned long addr = caddr; + unsigned long data = cdata; int ret; - lock_kernel(); - if (request == PTRACE_TRACEME) { - ret = ptrace_traceme(); - goto out; - } - - child = ptrace_get_task_struct(pid); - if (IS_ERR(child)) { - ret = PTR_ERR(child); - goto out; - } - - if (request == PTRACE_ATTACH) { - ret = ptrace_attach(child); - goto out_tsk; - } - - ret = ptrace_check_attach(child, request == PTRACE_KILL); - if (ret < 0) - goto out_tsk; - switch (request) { - /* when I and D space are separate, these will need to be fixed. */ - case PTRACE_PEEKTEXT: /* read word at location addr. */ - case PTRACE_PEEKDATA: { - unsigned int tmp; - int copied; - - copied = access_process_vm(child, addr, &tmp, sizeof(tmp), 0); - ret = -EIO; - if (copied != sizeof(tmp)) - break; - ret = put_user(tmp, (u32 __user *)data); - break; - } - /* * Read 4 bytes of the other process' storage * data is a pointer specifying where the user wants the @@ -225,19 +171,6 @@ long compat_sys_ptrace(int request, int pid, unsigned long addr, break; } - /* If I and D space are separate, this will have to be fixed. */ - case PTRACE_POKETEXT: /* write the word at location addr. */ - case PTRACE_POKEDATA: { - unsigned int tmp; - tmp = data; - ret = 0; - if (access_process_vm(child, addr, &tmp, sizeof(tmp), 1) - == sizeof(tmp)) - break; - ret = -EIO; - break; - } - /* * Write 4 bytes into the other process' storage * data is the 4 bytes that the user wants written @@ -337,46 +270,17 @@ long compat_sys_ptrace(int request, int pid, unsigned long addr, break; } - case PTRACE_GETEVENTMSG: - ret = put_user(child->ptrace_message, (unsigned int __user *) data); - break; + case PTRACE_GETREGS: /* Get all pt_regs from the child. */ + return copy_regset_to_user( + child, task_user_regset_view(current), 0, + 0, PT_REGS_COUNT * sizeof(compat_long_t), + compat_ptr(data)); - case PTRACE_GETREGS: { /* Get all pt_regs from the child. */ - int ui; - if (!access_ok(VERIFY_WRITE, (void __user *)data, - PT_REGS_COUNT * sizeof(int))) { - ret = -EIO; - break; - } - CHECK_FULL_REGS(child->thread.regs); - ret = 0; - for (ui = 0; ui < PT_REGS_COUNT; ui ++) { - ret |= __put_user(ptrace_get_reg(child, ui), - (unsigned int __user *) data); - data += sizeof(int); - } - break; - } - - case PTRACE_SETREGS: { /* Set all gp regs in the child. */ - unsigned long tmp; - int ui; - if (!access_ok(VERIFY_READ, (void __user *)data, - PT_REGS_COUNT * sizeof(int))) { - ret = -EIO; - break; - } - CHECK_FULL_REGS(child->thread.regs); - ret = 0; - for (ui = 0; ui < PT_REGS_COUNT; ui ++) { - ret = __get_user(tmp, (unsigned int __user *) data); - if (ret) - break; - ptrace_put_reg(child, ui, tmp); - data += sizeof(int); - } - break; - } + case PTRACE_SETREGS: /* Set all gp regs in the child. */ + return copy_regset_from_user( + child, task_user_regset_view(current), 0, + 0, PT_REGS_COUNT * sizeof(compat_long_t), + compat_ptr(data)); case PTRACE_GETFPREGS: case PTRACE_SETFPREGS: @@ -402,12 +306,9 @@ long compat_sys_ptrace(int request, int pid, unsigned long addr, break; default: - ret = ptrace_request(child, request, addr, data); + ret = compat_ptrace_request(child, request, addr, data); break; } -out_tsk: - put_task_struct(child); -out: - unlock_kernel(); + return ret; } diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c index 5cd3db5cae4..3b26fbd6bec 100644 --- a/arch/powerpc/kernel/time.c +++ b/arch/powerpc/kernel/time.c @@ -66,6 +66,7 @@ #include <asm/smp.h> #include <asm/vdso_datapage.h> #include <asm/firmware.h> +#include <asm/cputime.h> #ifdef CONFIG_PPC_ISERIES #include <asm/iseries/it_lp_queue.h> #include <asm/iseries/hv_call_xm.h> @@ -189,6 +190,8 @@ u64 __cputime_sec_factor; EXPORT_SYMBOL(__cputime_sec_factor); u64 __cputime_clockt_factor; EXPORT_SYMBOL(__cputime_clockt_factor); +DEFINE_PER_CPU(unsigned long, cputime_last_delta); +DEFINE_PER_CPU(unsigned long, cputime_scaled_last_delta); static void calc_cputime_factors(void) { @@ -257,8 +260,8 @@ void account_system_vtime(struct task_struct *tsk) } account_system_time(tsk, 0, delta); account_system_time_scaled(tsk, deltascaled); - get_paca()->purrdelta = delta; - get_paca()->spurrdelta = deltascaled; + per_cpu(cputime_last_delta, smp_processor_id()) = delta; + per_cpu(cputime_scaled_last_delta, smp_processor_id()) = deltascaled; local_irq_restore(flags); } @@ -276,10 +279,7 @@ void account_process_tick(struct task_struct *tsk, int user_tick) get_paca()->user_time = 0; account_user_time(tsk, utime); - /* Estimate the scaled utime by scaling the real utime based - * on the last spurr to purr ratio */ - utimescaled = utime * get_paca()->spurrdelta / get_paca()->purrdelta; - get_paca()->spurrdelta = get_paca()->purrdelta = 0; + utimescaled = cputime_to_scaled(utime); account_user_time_scaled(tsk, utimescaled); } diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c index 848a20475db..4b5b7ff4f78 100644 --- a/arch/powerpc/kernel/traps.c +++ b/arch/powerpc/kernel/traps.c @@ -54,7 +54,7 @@ #endif #include <asm/kexec.h> -#ifdef CONFIG_DEBUGGER +#if defined(CONFIG_DEBUGGER) || defined(CONFIG_KEXEC) int (*__debugger)(struct pt_regs *regs); int (*__debugger_ipi)(struct pt_regs *regs); int (*__debugger_bpt)(struct pt_regs *regs); diff --git a/arch/powerpc/kernel/vio.c b/arch/powerpc/kernel/vio.c index f0bad7070fb..f98867252ee 100644 --- a/arch/powerpc/kernel/vio.c +++ b/arch/powerpc/kernel/vio.c @@ -176,7 +176,7 @@ static void __devinit vio_dev_release(struct device *dev) * Returns a pointer to the created vio_dev or NULL if node has * NULL device_type or compatible fields. */ -struct vio_dev * __devinit vio_register_device_node(struct device_node *of_node) +struct vio_dev *vio_register_device_node(struct device_node *of_node) { struct vio_dev *viodev; const unsigned int *unit_address; diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c index e8122447f01..93a5c53e342 100644 --- a/arch/powerpc/mm/mem.c +++ b/arch/powerpc/mm/mem.c @@ -220,12 +220,13 @@ void __init do_init_bootmem(void) lmb_size_bytes(&lmb.reserved, i) - 1; if (addr < total_lowmem) reserve_bootmem(lmb.reserved.region[i].base, - lmb_size_bytes(&lmb.reserved, i)); + lmb_size_bytes(&lmb.reserved, i), + BOOTMEM_DEFAULT); else if (lmb.reserved.region[i].base < total_lowmem) { unsigned long adjusted_size = total_lowmem - lmb.reserved.region[i].base; reserve_bootmem(lmb.reserved.region[i].base, - adjusted_size); + adjusted_size, BOOTMEM_DEFAULT); } } #else @@ -234,7 +235,8 @@ void __init do_init_bootmem(void) /* reserve the sections we're already using */ for (i = 0; i < lmb.reserved.cnt; i++) reserve_bootmem(lmb.reserved.region[i].base, - lmb_size_bytes(&lmb.reserved, i)); + lmb_size_bytes(&lmb.reserved, i), + BOOTMEM_DEFAULT); #endif /* XXX need to clip this if using highmem? */ @@ -483,7 +485,12 @@ void update_mmu_cache(struct vm_area_struct *vma, unsigned long address, */ _tlbie(address, 0 /* 8xx doesn't care about PID */); #endif - if (!PageReserved(page) + /* The _PAGE_USER test should really be _PAGE_EXEC, but + * older glibc versions execute some code from no-exec + * pages, which for now we are supporting. If exec-only + * pages are ever implemented, this will have to change. + */ + if (!PageReserved(page) && (pte_val(pte) & _PAGE_USER) && !test_bit(PG_arch_1, &page->flags)) { if (vma->vm_mm == current->active_mm) { __flush_dcache_icache((void *) address); diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c index c12adc3ddff..a300d254aac 100644 --- a/arch/powerpc/mm/numa.c +++ b/arch/powerpc/mm/numa.c @@ -24,6 +24,8 @@ static int numa_enabled = 1; +static char *cmdline __initdata; + static int numa_debug; #define dbg(args...) if (numa_debug) { printk(KERN_INFO args); } @@ -39,6 +41,53 @@ static bootmem_data_t __initdata plat_node_bdata[MAX_NUMNODES]; static int min_common_depth; static int n_mem_addr_cells, n_mem_size_cells; +static int __cpuinit fake_numa_create_new_node(unsigned long end_pfn, + unsigned int *nid) +{ + unsigned long long mem; + char *p = cmdline; + static unsigned int fake_nid; + static unsigned long long curr_boundary; + + /* + * Modify node id, iff we started creating NUMA nodes + * We want to continue from where we left of the last time + */ + if (fake_nid) + *nid = fake_nid; + /* + * In case there are no more arguments to parse, the + * node_id should be the same as the last fake node id + * (we've handled this above). + */ + if (!p) + return 0; + + mem = memparse(p, &p); + if (!mem) + return 0; + + if (mem < curr_boundary) + return 0; + + curr_boundary = mem; + + if ((end_pfn << PAGE_SHIFT) > mem) { + /* + * Skip commas and spaces + */ + while (*p == ',' || *p == ' ' || *p == '\t') + p++; + + cmdline = p; + fake_nid++; + *nid = fake_nid; + dbg("created new fake_node with id %d\n", fake_nid); + return 1; + } + return 0; +} + static void __cpuinit map_cpu_to_node(int cpu, int node) { numa_cpu_lookup_table[cpu] = node; @@ -344,6 +393,9 @@ static void __init parse_drconf_memory(struct device_node *memory) if (nid == 0xffff || nid >= MAX_NUMNODES) nid = default_nid; } + + fake_numa_create_new_node(((start + lmb_size) >> PAGE_SHIFT), + &nid); node_set_online(nid); size = numa_enforce_memory_limit(start, lmb_size); @@ -429,6 +481,8 @@ new_range: nid = of_node_to_nid_single(memory); if (nid < 0) nid = default_nid; + + fake_numa_create_new_node(((start + size) >> PAGE_SHIFT), &nid); node_set_online(nid); if (!(size = numa_enforce_memory_limit(start, size))) { @@ -461,7 +515,7 @@ static void __init setup_nonnuma(void) unsigned long top_of_ram = lmb_end_of_DRAM(); unsigned long total_ram = lmb_phys_mem_size(); unsigned long start_pfn, end_pfn; - unsigned int i; + unsigned int i, nid = 0; printk(KERN_DEBUG "Top of RAM: 0x%lx, Total RAM: 0x%lx\n", top_of_ram, total_ram); @@ -471,9 +525,11 @@ static void __init setup_nonnuma(void) for (i = 0; i < lmb.memory.cnt; ++i) { start_pfn = lmb.memory.region[i].base >> PAGE_SHIFT; end_pfn = start_pfn + lmb_size_pages(&lmb.memory, i); - add_active_range(0, start_pfn, end_pfn); + + fake_numa_create_new_node(end_pfn, &nid); + add_active_range(nid, start_pfn, end_pfn); + node_set_online(nid); } - node_set_online(0); } void __init dump_numa_cpu_topology(void) @@ -675,7 +731,7 @@ void __init do_init_bootmem(void) dbg("reserve_bootmem %lx %lx\n", physbase, size); reserve_bootmem_node(NODE_DATA(nid), physbase, - size); + size, BOOTMEM_DEFAULT); } } @@ -702,6 +758,10 @@ static int __init early_numa(char *p) if (strstr(p, "debug")) numa_debug = 1; + p = strstr(p, "fake="); + if (p) + cmdline = p + strlen("fake="); + return 0; } early_param("numa", early_numa); diff --git a/arch/powerpc/mm/pgtable_32.c b/arch/powerpc/mm/pgtable_32.c index 64488723162..f80f90c4d58 100644 --- a/arch/powerpc/mm/pgtable_32.c +++ b/arch/powerpc/mm/pgtable_32.c @@ -86,7 +86,7 @@ pgd_t *pgd_alloc(struct mm_struct *mm) return ret; } -void pgd_free(pgd_t *pgd) +void pgd_free(struct mm_struct *mm, pgd_t *pgd) { free_pages((unsigned long)pgd, PGDIR_ORDER); } @@ -123,7 +123,7 @@ struct page *pte_alloc_one(struct mm_struct *mm, unsigned long address) return ptepage; } -void pte_free_kernel(pte_t *pte) +void pte_free_kernel(struct mm_struct *mm, pte_t *pte) { #ifdef CONFIG_SMP hash_page_sync(); @@ -131,7 +131,7 @@ void pte_free_kernel(pte_t *pte) free_page((unsigned long)pte); } -void pte_free(struct page *ptepage) +void pte_free(struct mm_struct *mm, struct page *ptepage) { #ifdef CONFIG_SMP hash_page_sync(); diff --git a/arch/powerpc/oprofile/Makefile b/arch/powerpc/oprofile/Makefile index c5f64c3bd66..2ef6b0dddd8 100644 --- a/arch/powerpc/oprofile/Makefile +++ b/arch/powerpc/oprofile/Makefile @@ -15,5 +15,5 @@ oprofile-$(CONFIG_OPROFILE_CELL) += op_model_cell.o \ cell/spu_profiler.o cell/vma_map.o \ cell/spu_task_sync.o oprofile-$(CONFIG_PPC64) += op_model_rs64.o op_model_power4.o op_model_pa6t.o -oprofile-$(CONFIG_FSL_BOOKE) += op_model_fsl_booke.o +oprofile-$(CONFIG_FSL_EMB_PERFMON) += op_model_fsl_emb.o oprofile-$(CONFIG_6xx) += op_model_7450.o diff --git a/arch/powerpc/oprofile/common.c b/arch/powerpc/oprofile/common.c index a28cce1d6c2..4908dc98f9c 100644 --- a/arch/powerpc/oprofile/common.c +++ b/arch/powerpc/oprofile/common.c @@ -202,9 +202,9 @@ int __init oprofile_arch_init(struct oprofile_operations *ops) model = &op_model_7450; break; #endif -#ifdef CONFIG_FSL_BOOKE - case PPC_OPROFILE_BOOKE: - model = &op_model_fsl_booke; +#if defined(CONFIG_FSL_EMB_PERFMON) + case PPC_OPROFILE_FSL_EMB: + model = &op_model_fsl_emb; break; #endif default: diff --git a/arch/powerpc/oprofile/op_model_fsl_booke.c b/arch/powerpc/oprofile/op_model_fsl_emb.c index 183a28bb181..91596f6ba1f 100644 --- a/arch/powerpc/oprofile/op_model_fsl_booke.c +++ b/arch/powerpc/oprofile/op_model_fsl_emb.c @@ -1,7 +1,5 @@ /* - * arch/powerpc/oprofile/op_model_fsl_booke.c - * - * Freescale Book-E oprofile support, based on ppc64 oprofile support + * Freescale Embedded oprofile support, based on ppc64 oprofile support * Copyright (C) 2004 Anton Blanchard <anton@au.ibm.com>, IBM * * Copyright (c) 2004 Freescale Semiconductor, Inc @@ -22,7 +20,7 @@ #include <asm/system.h> #include <asm/processor.h> #include <asm/cputable.h> -#include <asm/reg_booke.h> +#include <asm/reg_fsl_emb.h> #include <asm/page.h> #include <asm/pmc.h> #include <asm/oprofile_impl.h> @@ -244,7 +242,7 @@ static void dump_pmcs(void) mfpmr(PMRN_PMLCA3), mfpmr(PMRN_PMLCB3)); } -static int fsl_booke_cpu_setup(struct op_counter_config *ctr) +static int fsl_emb_cpu_setup(struct op_counter_config *ctr) { int i; @@ -262,7 +260,7 @@ static int fsl_booke_cpu_setup(struct op_counter_config *ctr) return 0; } -static int fsl_booke_reg_setup(struct op_counter_config *ctr, +static int fsl_emb_reg_setup(struct op_counter_config *ctr, struct op_system_config *sys, int num_ctrs) { @@ -281,7 +279,7 @@ static int fsl_booke_reg_setup(struct op_counter_config *ctr, return 0; } -static int fsl_booke_start(struct op_counter_config *ctr) +static int fsl_emb_start(struct op_counter_config *ctr) { int i; @@ -315,7 +313,7 @@ static int fsl_booke_start(struct op_counter_config *ctr) return 0; } -static void fsl_booke_stop(void) +static void fsl_emb_stop(void) { /* freeze counters */ pmc_stop_ctrs(); @@ -329,7 +327,7 @@ static void fsl_booke_stop(void) } -static void fsl_booke_handle_interrupt(struct pt_regs *regs, +static void fsl_emb_handle_interrupt(struct pt_regs *regs, struct op_counter_config *ctr) { unsigned long pc; @@ -362,10 +360,10 @@ static void fsl_booke_handle_interrupt(struct pt_regs *regs, pmc_start_ctrs(1); } -struct op_powerpc_model op_model_fsl_booke = { - .reg_setup = fsl_booke_reg_setup, - .cpu_setup = fsl_booke_cpu_setup, - .start = fsl_booke_start, - .stop = fsl_booke_stop, - .handle_interrupt = fsl_booke_handle_interrupt, +struct op_powerpc_model op_model_fsl_emb = { + .reg_setup = fsl_emb_reg_setup, + .cpu_setup = fsl_emb_cpu_setup, + .start = fsl_emb_start, + .stop = fsl_emb_stop, + .handle_interrupt = fsl_emb_handle_interrupt, }; diff --git a/arch/powerpc/platforms/40x/Kconfig b/arch/powerpc/platforms/40x/Kconfig index 74f31177e47..a9260e21451 100644 --- a/arch/powerpc/platforms/40x/Kconfig +++ b/arch/powerpc/platforms/40x/Kconfig @@ -72,6 +72,7 @@ config WALNUT default y select 405GP select PCI + select OF_RTC help This option enables support for the IBM PPC405GP evaluation board. diff --git a/arch/powerpc/platforms/40x/virtex.c b/arch/powerpc/platforms/40x/virtex.c index 88b66444dfb..0422590040d 100644 --- a/arch/powerpc/platforms/40x/virtex.c +++ b/arch/powerpc/platforms/40x/virtex.c @@ -37,7 +37,7 @@ static int __init virtex_probe(void) { unsigned long root = of_get_flat_dt_root(); - if (!of_flat_dt_is_compatible(root, "xilinx,virtex")) + if (!of_flat_dt_is_compatible(root, "xlnx,virtex")) return 0; return 1; diff --git a/arch/powerpc/platforms/40x/walnut.c b/arch/powerpc/platforms/40x/walnut.c index 5d9edd917f9..b8b257efeb7 100644 --- a/arch/powerpc/platforms/40x/walnut.c +++ b/arch/powerpc/platforms/40x/walnut.c @@ -18,6 +18,7 @@ #include <linux/init.h> #include <linux/of_platform.h> +#include <linux/rtc.h> #include <asm/machdep.h> #include <asm/prom.h> diff --git a/arch/powerpc/platforms/44x/warp.c b/arch/powerpc/platforms/44x/warp.c index 8f01563dbd2..da5b7b7599d 100644 --- a/arch/powerpc/platforms/44x/warp.c +++ b/arch/powerpc/platforms/44x/warp.c @@ -137,7 +137,7 @@ static int __init pika_dtm_start(void) } of_node_put(np); - fpga = ioremap(res.start + 0x20, 4); + fpga = ioremap(res.start, 0x24); if (fpga == NULL) return -ENOENT; diff --git a/arch/powerpc/platforms/512x/Kconfig b/arch/powerpc/platforms/512x/Kconfig new file mode 100644 index 00000000000..c6fa49e23dc --- /dev/null +++ b/arch/powerpc/platforms/512x/Kconfig @@ -0,0 +1,20 @@ +config PPC_MPC512x + bool + select FSL_SOC + select IPIC + default n + +config PPC_MPC5121 + bool + select PPC_MPC512x + default n + +config MPC5121_ADS + bool "Freescale MPC5121E ADS" + depends on PPC_MULTIPLATFORM && PPC32 + select DEFAULT_UIMAGE + select WANT_DEVICE_TREE + select PPC_MPC5121 + help + This option enables support for the MPC5121E ADS board. + default n diff --git a/arch/powerpc/platforms/512x/Makefile b/arch/powerpc/platforms/512x/Makefile new file mode 100644 index 00000000000..232c89f2039 --- /dev/null +++ b/arch/powerpc/platforms/512x/Makefile @@ -0,0 +1,4 @@ +# +# Makefile for the Freescale PowerPC 512x linux kernel. +# +obj-$(CONFIG_MPC5121_ADS) += mpc5121_ads.o diff --git a/arch/powerpc/platforms/512x/mpc5121_ads.c b/arch/powerpc/platforms/512x/mpc5121_ads.c new file mode 100644 index 00000000000..50bd3a31902 --- /dev/null +++ b/arch/powerpc/platforms/512x/mpc5121_ads.c @@ -0,0 +1,104 @@ +/* + * Copyright (C) 2007 Freescale Semiconductor, Inc. All rights reserved. + * + * Author: John Rigby, <jrigby@freescale.com>, Thur Mar 29 2007 + * + * Description: + * MPC5121 ADS board setup + * + * This 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/kernel.h> +#include <linux/io.h> +#include <linux/irq.h> +#include <linux/of_platform.h> + +#include <asm/machdep.h> +#include <asm/ipic.h> +#include <asm/prom.h> +#include <asm/time.h> + +/** + * mpc512x_find_ips_freq - Find the IPS bus frequency for a device + * @node: device node + * + * Returns IPS bus frequency, or 0 if the bus frequency cannot be found. + */ +unsigned long +mpc512x_find_ips_freq(struct device_node *node) +{ + struct device_node *np; + const unsigned int *p_ips_freq = NULL; + + of_node_get(node); + while (node) { + p_ips_freq = of_get_property(node, "bus-frequency", NULL); + if (p_ips_freq) + break; + + np = of_get_parent(node); + of_node_put(node); + node = np; + } + if (node) + of_node_put(node); + + return p_ips_freq ? *p_ips_freq : 0; +} +EXPORT_SYMBOL(mpc512x_find_ips_freq); + +static struct of_device_id __initdata of_bus_ids[] = { + { .name = "soc", }, + { .name = "localbus", }, + {}, +}; + +static void __init mpc5121_ads_declare_of_platform_devices(void) +{ + /* Find every child of the SOC node and add it to of_platform */ + if (of_platform_bus_probe(NULL, of_bus_ids, NULL)) + printk(KERN_ERR __FILE__ ": " + "Error while probing of_platform bus\n"); +} + +static void __init mpc5121_ads_init_IRQ(void) +{ + struct device_node *np; + + np = of_find_compatible_node(NULL, NULL, "fsl,ipic"); + if (!np) + return; + + ipic_init(np, 0); + of_node_put(np); + + /* + * Initialize the default interrupt mapping priorities, + * in case the boot rom changed something on us. + */ + ipic_set_default_priority(); +} + +/* + * Called very early, MMU is off, device-tree isn't unflattened + */ +static int __init mpc5121_ads_probe(void) +{ + unsigned long root = of_get_flat_dt_root(); + + return of_flat_dt_is_compatible(root, "fsl,mpc5121ads"); +} + +define_machine(mpc5121_ads) { + .name = "MPC5121 ADS", + .probe = mpc5121_ads_probe, + .init = mpc5121_ads_declare_of_platform_devices, + .init_IRQ = mpc5121_ads_init_IRQ, + .get_irq = ipic_get_irq, + .calibrate_decr = generic_calibrate_decr, +}; diff --git a/arch/powerpc/platforms/82xx/mpc8272_ads.c b/arch/powerpc/platforms/82xx/mpc8272_ads.c index 3fce6b375db..7d301875198 100644 --- a/arch/powerpc/platforms/82xx/mpc8272_ads.c +++ b/arch/powerpc/platforms/82xx/mpc8272_ads.c @@ -134,13 +134,12 @@ static void __init mpc8272_ads_setup_arch(void) } bcsr = of_iomap(np, 0); + of_node_put(np); if (!bcsr) { printk(KERN_ERR "Cannot map BCSR registers\n"); return; } - of_node_put(np); - clrbits32(&bcsr[1], BCSR1_RS232_EN1 | BCSR1_RS232_EN2 | BCSR1_FETHIEN); setbits32(&bcsr[1], BCSR1_FETH_RST); diff --git a/arch/powerpc/platforms/82xx/pq2fads.c b/arch/powerpc/platforms/82xx/pq2fads.c index 68196e34999..e1dceeec499 100644 --- a/arch/powerpc/platforms/82xx/pq2fads.c +++ b/arch/powerpc/platforms/82xx/pq2fads.c @@ -130,13 +130,12 @@ static void __init pq2fads_setup_arch(void) } bcsr = of_iomap(np, 0); + of_node_put(np); if (!bcsr) { printk(KERN_ERR "Cannot map BCSR registers\n"); return; } - of_node_put(np); - /* Enable the serial and ethernet ports */ clrbits32(&bcsr[1], BCSR1_RS232_EN1 | BCSR1_RS232_EN2 | BCSR1_FETHIEN); diff --git a/arch/powerpc/platforms/83xx/mpc832x_rdb.c b/arch/powerpc/platforms/83xx/mpc832x_rdb.c index 9f0fd88b2b1..e7f706b624f 100644 --- a/arch/powerpc/platforms/83xx/mpc832x_rdb.c +++ b/arch/powerpc/platforms/83xx/mpc832x_rdb.c @@ -101,7 +101,7 @@ static void __init mpc832x_rdb_setup_arch(void) #ifdef CONFIG_QUICC_ENGINE qe_reset(); - if ((np = of_find_node_by_name(np, "par_io")) != NULL) { + if ((np = of_find_node_by_name(NULL, "par_io")) != NULL) { par_io_init(np); of_node_put(np); diff --git a/arch/powerpc/platforms/83xx/mpc83xx.h b/arch/powerpc/platforms/83xx/mpc83xx.h index 88bb748aff0..68065e62fc3 100644 --- a/arch/powerpc/platforms/83xx/mpc83xx.h +++ b/arch/powerpc/platforms/83xx/mpc83xx.h @@ -14,6 +14,8 @@ #define MPC83XX_SCCR_USB_DRCM_11 0x00300000 #define MPC83XX_SCCR_USB_DRCM_01 0x00100000 #define MPC83XX_SCCR_USB_DRCM_10 0x00200000 +#define MPC8315_SCCR_USB_MASK 0x00c00000 +#define MPC8315_SCCR_USB_DRCM_11 0x00c00000 #define MPC837X_SCCR_USB_DRCM_11 0x00c00000 /* system i/o configuration register low */ diff --git a/arch/powerpc/platforms/83xx/usb.c b/arch/powerpc/platforms/83xx/usb.c index 681230a30ac..471fdd8f410 100644 --- a/arch/powerpc/platforms/83xx/usb.c +++ b/arch/powerpc/platforms/83xx/usb.c @@ -104,6 +104,7 @@ int mpc831x_usb_cfg(void) u32 temp; void __iomem *immap, *usb_regs; struct device_node *np = NULL; + struct device_node *immr_node = NULL; const void *prop; struct resource res; int ret = 0; @@ -124,10 +125,15 @@ int mpc831x_usb_cfg(void) } /* Configure clock */ - temp = in_be32(immap + MPC83XX_SCCR_OFFS); - temp &= ~MPC83XX_SCCR_USB_MASK; - temp |= MPC83XX_SCCR_USB_DRCM_11; /* 1:3 */ - out_be32(immap + MPC83XX_SCCR_OFFS, temp); + immr_node = of_get_parent(np); + if (immr_node && of_device_is_compatible(immr_node, "fsl,mpc8315-immr")) + clrsetbits_be32(immap + MPC83XX_SCCR_OFFS, + MPC8315_SCCR_USB_MASK, + MPC8315_SCCR_USB_DRCM_11); + else + clrsetbits_be32(immap + MPC83XX_SCCR_OFFS, + MPC83XX_SCCR_USB_MASK, + MPC83XX_SCCR_USB_DRCM_11); /* Configure pin mux for ULPI. There is no pin mux for UTMI */ if (prop && !strcmp(prop, "ulpi")) { @@ -144,6 +150,9 @@ int mpc831x_usb_cfg(void) iounmap(immap); + if (immr_node) + of_node_put(immr_node); + /* Map USB SOC space */ ret = of_address_to_resource(np, 0, &res); if (ret) { diff --git a/arch/powerpc/platforms/8xx/adder875.c b/arch/powerpc/platforms/8xx/adder875.c index c6bc0783c3b..82363e98f50 100644 --- a/arch/powerpc/platforms/8xx/adder875.c +++ b/arch/powerpc/platforms/8xx/adder875.c @@ -15,12 +15,12 @@ #include <asm/time.h> #include <asm/machdep.h> -#include <asm/commproc.h> +#include <asm/cpm1.h> #include <asm/fs_pd.h> #include <asm/udbg.h> #include <asm/prom.h> -#include <sysdev/commproc.h> +#include "mpc8xx.h" struct cpm_pin { int port, pin, flags; @@ -108,7 +108,7 @@ define_machine(adder875) { .name = "Adder MPC875", .probe = adder875_probe, .setup_arch = adder875_setup, - .init_IRQ = m8xx_pic_init, + .init_IRQ = mpc8xx_pics_init, .get_irq = mpc8xx_get_irq, .restart = mpc8xx_restart, .calibrate_decr = generic_calibrate_decr, diff --git a/arch/powerpc/platforms/8xx/ep88xc.c b/arch/powerpc/platforms/8xx/ep88xc.c index a8dffa00577..7d9ac6040d6 100644 --- a/arch/powerpc/platforms/8xx/ep88xc.c +++ b/arch/powerpc/platforms/8xx/ep88xc.c @@ -15,7 +15,6 @@ #include <asm/machdep.h> #include <asm/io.h> #include <asm/udbg.h> -#include <asm/commproc.h> #include <asm/cpm1.h> #include "mpc8xx.h" diff --git a/arch/powerpc/platforms/Kconfig b/arch/powerpc/platforms/Kconfig index fdce10c4f07..fcedbec07f9 100644 --- a/arch/powerpc/platforms/Kconfig +++ b/arch/powerpc/platforms/Kconfig @@ -24,6 +24,7 @@ config PPC_83xx select MPC83xx select IPIC select WANT_DEVICE_TREE + select FSL_EMB_PERFMON config PPC_86xx bool "Freescale 86xx" @@ -41,6 +42,7 @@ config CLASSIC32 source "arch/powerpc/platforms/pseries/Kconfig" source "arch/powerpc/platforms/iseries/Kconfig" source "arch/powerpc/platforms/chrp/Kconfig" +source "arch/powerpc/platforms/512x/Kconfig" source "arch/powerpc/platforms/52xx/Kconfig" source "arch/powerpc/platforms/powermac/Kconfig" source "arch/powerpc/platforms/prep/Kconfig" diff --git a/arch/powerpc/platforms/Kconfig.cputype b/arch/powerpc/platforms/Kconfig.cputype index 7fc41104d53..69941ba7097 100644 --- a/arch/powerpc/platforms/Kconfig.cputype +++ b/arch/powerpc/platforms/Kconfig.cputype @@ -14,7 +14,7 @@ choice There are five families of 32 bit PowerPC chips supported. The most common ones are the desktop and server CPUs (601, 603, 604, 740, 750, 74xx) CPUs from Freescale and IBM, with their - embedded 52xx/82xx/83xx/86xx counterparts. + embedded 512x/52xx/82xx/83xx/86xx counterparts. The other embeeded parts, namely 4xx, 8xx, e200 (55xx) and e500 (85xx) each form a family of their own that is not compatible with the others. @@ -22,7 +22,7 @@ choice If unsure, select 52xx/6xx/7xx/74xx/82xx/83xx/86xx. config 6xx - bool "52xx/6xx/7xx/74xx/82xx/83xx/86xx" + bool "512x/52xx/6xx/7xx/74xx/82xx/83xx/86xx" select PPC_FPU config PPC_85xx @@ -94,6 +94,7 @@ config 8xx bool config E500 + select FSL_EMB_PERFMON bool config PPC_FPU @@ -115,6 +116,9 @@ config FSL_BOOKE depends on E200 || E500 default y +config FSL_EMB_PERFMON + bool + config PTE_64BIT bool depends on 44x || E500 @@ -221,7 +225,7 @@ config NR_CPUS config NOT_COHERENT_CACHE bool - depends on 4xx || 8xx || E200 + depends on 4xx || 8xx || E200 || PPC_MPC512x default y config CHECK_CACHE_COHERENCY diff --git a/arch/powerpc/platforms/Makefile b/arch/powerpc/platforms/Makefile index 6d9079da5f5..a984894466d 100644 --- a/arch/powerpc/platforms/Makefile +++ b/arch/powerpc/platforms/Makefile @@ -11,6 +11,7 @@ endif obj-$(CONFIG_PPC_CHRP) += chrp/ obj-$(CONFIG_40x) += 40x/ obj-$(CONFIG_44x) += 44x/ +obj-$(CONFIG_PPC_MPC512x) += 512x/ obj-$(CONFIG_PPC_MPC52xx) += 52xx/ obj-$(CONFIG_PPC_8xx) += 8xx/ obj-$(CONFIG_PPC_82xx) += 82xx/ diff --git a/arch/powerpc/platforms/cell/Kconfig b/arch/powerpc/platforms/cell/Kconfig index 3a963b4a9be..2f169991896 100644 --- a/arch/powerpc/platforms/cell/Kconfig +++ b/arch/powerpc/platforms/cell/Kconfig @@ -54,6 +54,13 @@ config SPU_FS_64K_LS uses 4K pages. This can improve performances of applications using multiple SPEs by lowering the TLB pressure on them. +config SPU_TRACE + tristate "SPU event tracing support" + depends on SPU_FS && MARKERS + help + This option allows reading a trace of spu-related events through + the sputrace file in procfs. + config SPU_BASE bool default n diff --git a/arch/powerpc/platforms/cell/axon_msi.c b/arch/powerpc/platforms/cell/axon_msi.c index 095988f13bf..d95e71dee91 100644 --- a/arch/powerpc/platforms/cell/axon_msi.c +++ b/arch/powerpc/platforms/cell/axon_msi.c @@ -13,7 +13,7 @@ #include <linux/kernel.h> #include <linux/pci.h> #include <linux/msi.h> -#include <linux/reboot.h> +#include <linux/of_platform.h> #include <asm/dcr.h> #include <asm/machdep.h> @@ -65,14 +65,12 @@ struct axon_msic { struct irq_host *irq_host; - __le32 *fifo; + __le32 *fifo_virt; + dma_addr_t fifo_phys; dcr_host_t dcr_host; - struct list_head list; u32 read_offset; }; -static LIST_HEAD(axon_msic_list); - static void msic_dcr_write(struct axon_msic *msic, unsigned int dcr_n, u32 val) { pr_debug("axon_msi: dcr_write(0x%x, 0x%x)\n", val, dcr_n); @@ -94,7 +92,7 @@ static void axon_msi_cascade(unsigned int irq, struct irq_desc *desc) while (msic->read_offset != write_offset) { idx = msic->read_offset / sizeof(__le32); - msi = le32_to_cpu(msic->fifo[idx]); + msi = le32_to_cpu(msic->fifo_virt[idx]); msi &= 0xFFFF; pr_debug("axon_msi: woff %x roff %x msi %x\n", @@ -139,6 +137,7 @@ static struct axon_msic *find_msi_translator(struct pci_dev *dev) tmp = dn; dn = of_find_node_by_phandle(*ph); + of_node_put(tmp); if (!dn) { dev_dbg(&dev->dev, "axon_msi: msi-translator doesn't point to a node\n"); @@ -156,7 +155,6 @@ static struct axon_msic *find_msi_translator(struct pci_dev *dev) out_error: of_node_put(dn); - of_node_put(tmp); return msic; } @@ -292,30 +290,24 @@ static struct irq_host_ops msic_host_ops = { .map = msic_host_map, }; -static int axon_msi_notify_reboot(struct notifier_block *nb, - unsigned long code, void *data) +static int axon_msi_shutdown(struct of_device *device) { - struct axon_msic *msic; + struct axon_msic *msic = device->dev.platform_data; u32 tmp; - list_for_each_entry(msic, &axon_msic_list, list) { - pr_debug("axon_msi: disabling %s\n", - msic->irq_host->of_node->full_name); - tmp = dcr_read(msic->dcr_host, MSIC_CTRL_REG); - tmp &= ~MSIC_CTRL_ENABLE & ~MSIC_CTRL_IRQ_ENABLE; - msic_dcr_write(msic, MSIC_CTRL_REG, tmp); - } + pr_debug("axon_msi: disabling %s\n", + msic->irq_host->of_node->full_name); + tmp = dcr_read(msic->dcr_host, MSIC_CTRL_REG); + tmp &= ~MSIC_CTRL_ENABLE & ~MSIC_CTRL_IRQ_ENABLE; + msic_dcr_write(msic, MSIC_CTRL_REG, tmp); return 0; } -static struct notifier_block axon_msi_reboot_notifier = { - .notifier_call = axon_msi_notify_reboot -}; - -static int axon_msi_setup_one(struct device_node *dn) +static int axon_msi_probe(struct of_device *device, + const struct of_device_id *device_id) { - struct page *page; + struct device_node *dn = device->node; struct axon_msic *msic; unsigned int virq; int dcr_base, dcr_len; @@ -346,16 +338,14 @@ static int axon_msi_setup_one(struct device_node *dn) goto out_free_msic; } - page = alloc_pages_node(of_node_to_nid(dn), GFP_KERNEL, - get_order(MSIC_FIFO_SIZE_BYTES)); - if (!page) { + msic->fifo_virt = dma_alloc_coherent(&device->dev, MSIC_FIFO_SIZE_BYTES, + &msic->fifo_phys, GFP_KERNEL); + if (!msic->fifo_virt) { printk(KERN_ERR "axon_msi: couldn't allocate fifo for %s\n", dn->full_name); goto out_free_msic; } - msic->fifo = page_address(page); - msic->irq_host = irq_alloc_host(of_node_get(dn), IRQ_HOST_MAP_NOMAP, NR_IRQS, &msic_host_ops, 0); if (!msic->irq_host) { @@ -378,14 +368,18 @@ static int axon_msi_setup_one(struct device_node *dn) pr_debug("axon_msi: irq 0x%x setup for axon_msi\n", virq); /* Enable the MSIC hardware */ - msic_dcr_write(msic, MSIC_BASE_ADDR_HI_REG, (u64)msic->fifo >> 32); + msic_dcr_write(msic, MSIC_BASE_ADDR_HI_REG, msic->fifo_phys >> 32); msic_dcr_write(msic, MSIC_BASE_ADDR_LO_REG, - (u64)msic->fifo & 0xFFFFFFFF); + msic->fifo_phys & 0xFFFFFFFF); msic_dcr_write(msic, MSIC_CTRL_REG, MSIC_CTRL_IRQ_ENABLE | MSIC_CTRL_ENABLE | MSIC_CTRL_FIFO_SIZE); - list_add(&msic->list, &axon_msic_list); + device->dev.platform_data = msic; + + ppc_md.setup_msi_irqs = axon_msi_setup_msi_irqs; + ppc_md.teardown_msi_irqs = axon_msi_teardown_msi_irqs; + ppc_md.msi_check_device = axon_msi_check_device; printk(KERN_DEBUG "axon_msi: setup MSIC on %s\n", dn->full_name); @@ -394,7 +388,8 @@ static int axon_msi_setup_one(struct device_node *dn) out_free_host: kfree(msic->irq_host); out_free_fifo: - __free_pages(virt_to_page(msic->fifo), get_order(MSIC_FIFO_SIZE_BYTES)); + dma_free_coherent(&device->dev, MSIC_FIFO_SIZE_BYTES, msic->fifo_virt, + msic->fifo_phys); out_free_msic: kfree(msic); out: @@ -402,28 +397,24 @@ out: return -1; } -static int axon_msi_init(void) -{ - struct device_node *dn; - int found = 0; - - pr_debug("axon_msi: initialising ...\n"); - - for_each_compatible_node(dn, NULL, "ibm,axon-msic") { - if (axon_msi_setup_one(dn) == 0) - found++; - } - - if (found) { - ppc_md.setup_msi_irqs = axon_msi_setup_msi_irqs; - ppc_md.teardown_msi_irqs = axon_msi_teardown_msi_irqs; - ppc_md.msi_check_device = axon_msi_check_device; - - register_reboot_notifier(&axon_msi_reboot_notifier); +static const struct of_device_id axon_msi_device_id[] = { + { + .compatible = "ibm,axon-msic" + }, + {} +}; - pr_debug("axon_msi: registered callbacks!\n"); - } +static struct of_platform_driver axon_msi_driver = { + .match_table = axon_msi_device_id, + .probe = axon_msi_probe, + .shutdown = axon_msi_shutdown, + .driver = { + .name = "axon-msi" + }, +}; - return 0; +static int __init axon_msi_init(void) +{ + return of_register_platform_driver(&axon_msi_driver); } -arch_initcall(axon_msi_init); +subsys_initcall(axon_msi_init); diff --git a/arch/powerpc/platforms/cell/setup.c b/arch/powerpc/platforms/cell/setup.c index e6534b519c9..a7f609b3b87 100644 --- a/arch/powerpc/platforms/cell/setup.c +++ b/arch/powerpc/platforms/cell/setup.c @@ -98,7 +98,7 @@ static int __init cell_publish_devices(void) } return 0; } -machine_device_initcall(cell, cell_publish_devices); +machine_subsys_initcall(cell, cell_publish_devices); static void cell_mpic_cascade(unsigned int irq, struct irq_desc *desc) { diff --git a/arch/powerpc/platforms/cell/spufs/Makefile b/arch/powerpc/platforms/cell/spufs/Makefile index d3a349fb42e..99610a6361f 100644 --- a/arch/powerpc/platforms/cell/spufs/Makefile +++ b/arch/powerpc/platforms/cell/spufs/Makefile @@ -4,6 +4,8 @@ spufs-y += inode.o file.o context.o syscalls.o coredump.o spufs-y += sched.o backing_ops.o hw_ops.o run.o gang.o spufs-y += switch.o fault.o lscsa_alloc.o +obj-$(CONFIG_SPU_TRACE) += sputrace.o + # Rules to build switch.o with the help of SPU tool chain SPU_CROSS := spu- SPU_CC := $(SPU_CROSS)gcc diff --git a/arch/powerpc/platforms/cell/spufs/file.c b/arch/powerpc/platforms/cell/spufs/file.c index 3fcd06418b0..1018acd1746 100644 --- a/arch/powerpc/platforms/cell/spufs/file.c +++ b/arch/powerpc/platforms/cell/spufs/file.c @@ -29,6 +29,7 @@ #include <linux/poll.h> #include <linux/ptrace.h> #include <linux/seq_file.h> +#include <linux/marker.h> #include <asm/io.h> #include <asm/semaphore.h> @@ -358,6 +359,8 @@ static unsigned long spufs_ps_nopfn(struct vm_area_struct *vma, struct spu_context *ctx = vma->vm_file->private_data; unsigned long area, offset = address - vma->vm_start; + spu_context_nospu_trace(spufs_ps_nopfn__enter, ctx); + offset += vma->vm_pgoff << PAGE_SHIFT; if (offset >= ps_size) return NOPFN_SIGBUS; @@ -375,11 +378,14 @@ static unsigned long spufs_ps_nopfn(struct vm_area_struct *vma, if (ctx->state == SPU_STATE_SAVED) { up_read(¤t->mm->mmap_sem); + spu_context_nospu_trace(spufs_ps_nopfn__sleep, ctx); spufs_wait(ctx->run_wq, ctx->state == SPU_STATE_RUNNABLE); + spu_context_trace(spufs_ps_nopfn__wake, ctx, ctx->spu); down_read(¤t->mm->mmap_sem); } else { area = ctx->spu->problem_phys + ps_offs; vm_insert_pfn(vma, address, (area + offset) >> PAGE_SHIFT); + spu_context_trace(spufs_ps_nopfn__insert, ctx, ctx->spu); } spu_release(ctx); diff --git a/arch/powerpc/platforms/cell/spufs/inode.c b/arch/powerpc/platforms/cell/spufs/inode.c index c0e968a4c21..90784c029f2 100644 --- a/arch/powerpc/platforms/cell/spufs/inode.c +++ b/arch/powerpc/platforms/cell/spufs/inode.c @@ -322,7 +322,7 @@ static struct spu_context * spufs_assert_affinity(unsigned int flags, struct spu_gang *gang, struct file *filp) { - struct spu_context *tmp, *neighbor; + struct spu_context *tmp, *neighbor, *err; int count, node; int aff_supp; @@ -354,11 +354,15 @@ spufs_assert_affinity(unsigned int flags, struct spu_gang *gang, if (!list_empty(&neighbor->aff_list) && !(neighbor->aff_head) && !list_is_last(&neighbor->aff_list, &gang->aff_list_head) && !list_entry(neighbor->aff_list.next, struct spu_context, - aff_list)->aff_head) - return ERR_PTR(-EEXIST); + aff_list)->aff_head) { + err = ERR_PTR(-EEXIST); + goto out_put_neighbor; + } - if (gang != neighbor->gang) - return ERR_PTR(-EINVAL); + if (gang != neighbor->gang) { + err = ERR_PTR(-EINVAL); + goto out_put_neighbor; + } count = 1; list_for_each_entry(tmp, &gang->aff_list_head, aff_list) @@ -372,11 +376,17 @@ spufs_assert_affinity(unsigned int flags, struct spu_gang *gang, break; } - if (node == MAX_NUMNODES) - return ERR_PTR(-EEXIST); + if (node == MAX_NUMNODES) { + err = ERR_PTR(-EEXIST); + goto out_put_neighbor; + } } return neighbor; + +out_put_neighbor: + put_spu_context(neighbor); + return err; } static void @@ -454,9 +464,12 @@ spufs_create_context(struct inode *inode, struct dentry *dentry, if (ret) goto out_aff_unlock; - if (affinity) + if (affinity) { spufs_set_affinity(flags, SPUFS_I(dentry->d_inode)->i_ctx, neighbor); + if (neighbor) + put_spu_context(neighbor); + } /* * get references for dget and mntget, will be released diff --git a/arch/powerpc/platforms/cell/spufs/run.c b/arch/powerpc/platforms/cell/spufs/run.c index c01a09da1e5..b4814c740d8 100644 --- a/arch/powerpc/platforms/cell/spufs/run.c +++ b/arch/powerpc/platforms/cell/spufs/run.c @@ -410,8 +410,11 @@ long spufs_run_spu(struct spu_context *ctx, u32 *npc, u32 *event) * since we have TIF_SINGLESTEP set, thus the kernel will do * it upon return from the syscall anyawy */ - if ((status & SPU_STATUS_STOPPED_BY_STOP) - && (status >> SPU_STOP_STATUS_SHIFT) == 0x3fff) { + if (unlikely(status & SPU_STATUS_SINGLE_STEP)) + ret = -ERESTARTSYS; + + else if (unlikely((status & SPU_STATUS_STOPPED_BY_STOP) + && (status >> SPU_STOP_STATUS_SHIFT) == 0x3fff)) { force_sig(SIGTRAP, current); ret = -ERESTARTSYS; } diff --git a/arch/powerpc/platforms/cell/spufs/sched.c b/arch/powerpc/platforms/cell/spufs/sched.c index 00d914232af..5915343e259 100644 --- a/arch/powerpc/platforms/cell/spufs/sched.c +++ b/arch/powerpc/platforms/cell/spufs/sched.c @@ -39,6 +39,7 @@ #include <linux/pid_namespace.h> #include <linux/proc_fs.h> #include <linux/seq_file.h> +#include <linux/marker.h> #include <asm/io.h> #include <asm/mmu_context.h> @@ -216,8 +217,8 @@ void do_notify_spus_active(void) */ static void spu_bind_context(struct spu *spu, struct spu_context *ctx) { - pr_debug("%s: pid=%d SPU=%d NODE=%d\n", __FUNCTION__, current->pid, - spu->number, spu->node); + spu_context_trace(spu_bind_context__enter, ctx, spu); + spuctx_switch_state(ctx, SPU_UTIL_SYSTEM); if (ctx->flags & SPU_CREATE_NOSCHED) @@ -399,8 +400,8 @@ static int has_affinity(struct spu_context *ctx) */ static void spu_unbind_context(struct spu *spu, struct spu_context *ctx) { - pr_debug("%s: unbind pid=%d SPU=%d NODE=%d\n", __FUNCTION__, - spu->pid, spu->number, spu->node); + spu_context_trace(spu_unbind_context__enter, ctx, spu); + spuctx_switch_state(ctx, SPU_UTIL_SYSTEM); if (spu->ctx->flags & SPU_CREATE_NOSCHED) @@ -528,6 +529,8 @@ static struct spu *spu_get_idle(struct spu_context *ctx) struct spu *spu, *aff_ref_spu; int node, n; + spu_context_nospu_trace(spu_get_idle__enter, ctx); + if (ctx->gang) { mutex_lock(&ctx->gang->aff_mutex); if (has_affinity(ctx)) { @@ -546,8 +549,7 @@ static struct spu *spu_get_idle(struct spu_context *ctx) if (atomic_dec_and_test(&ctx->gang->aff_sched_count)) ctx->gang->aff_ref_spu = NULL; mutex_unlock(&ctx->gang->aff_mutex); - - return NULL; + goto not_found; } mutex_unlock(&ctx->gang->aff_mutex); } @@ -565,12 +567,14 @@ static struct spu *spu_get_idle(struct spu_context *ctx) mutex_unlock(&cbe_spu_info[node].list_mutex); } + not_found: + spu_context_nospu_trace(spu_get_idle__not_found, ctx); return NULL; found: spu->alloc_state = SPU_USED; mutex_unlock(&cbe_spu_info[node].list_mutex); - pr_debug("Got SPU %d %d\n", spu->number, spu->node); + spu_context_trace(spu_get_idle__found, ctx, spu); spu_init_channels(spu); return spu; } @@ -587,6 +591,8 @@ static struct spu *find_victim(struct spu_context *ctx) struct spu *spu; int node, n; + spu_context_nospu_trace(spu_find_vitim__enter, ctx); + /* * Look for a possible preemption candidate on the local node first. * If there is no candidate look at the other nodes. This isn't @@ -640,6 +646,8 @@ static struct spu *find_victim(struct spu_context *ctx) goto restart; } + spu_context_trace(__spu_deactivate__unload, ctx, spu); + mutex_lock(&cbe_spu_info[node].list_mutex); cbe_spu_info[node].nr_active--; spu_unbind_context(spu, victim); @@ -822,6 +830,7 @@ static int __spu_deactivate(struct spu_context *ctx, int force, int max_prio) */ void spu_deactivate(struct spu_context *ctx) { + spu_context_nospu_trace(spu_deactivate__enter, ctx); __spu_deactivate(ctx, 1, MAX_PRIO); } @@ -835,6 +844,7 @@ void spu_deactivate(struct spu_context *ctx) */ void spu_yield(struct spu_context *ctx) { + spu_context_nospu_trace(spu_yield__enter, ctx); if (!(ctx->flags & SPU_CREATE_NOSCHED)) { mutex_lock(&ctx->state_mutex); __spu_deactivate(ctx, 0, MAX_PRIO); @@ -864,11 +874,15 @@ static noinline void spusched_tick(struct spu_context *ctx) goto out; spu = ctx->spu; + + spu_context_trace(spusched_tick__preempt, ctx, spu); + new = grab_runnable_context(ctx->prio + 1, spu->node); if (new) { spu_unschedule(spu, ctx); spu_add_to_rq(ctx); } else { + spu_context_nospu_trace(spusched_tick__newslice, ctx); ctx->time_slice++; } out: diff --git a/arch/powerpc/platforms/cell/spufs/spufs.h b/arch/powerpc/platforms/cell/spufs/spufs.h index 0e114038ea6..795a1b52538 100644 --- a/arch/powerpc/platforms/cell/spufs/spufs.h +++ b/arch/powerpc/platforms/cell/spufs/spufs.h @@ -325,4 +325,9 @@ extern void spu_free_lscsa(struct spu_state *csa); extern void spuctx_switch_state(struct spu_context *ctx, enum spu_utilization_state new_state); +#define spu_context_trace(name, ctx, spu) \ + trace_mark(name, "%p %p", ctx, spu); +#define spu_context_nospu_trace(name, ctx) \ + trace_mark(name, "%p", ctx); + #endif diff --git a/arch/powerpc/platforms/cell/spufs/sputrace.c b/arch/powerpc/platforms/cell/spufs/sputrace.c new file mode 100644 index 00000000000..2b1953f6f12 --- /dev/null +++ b/arch/powerpc/platforms/cell/spufs/sputrace.c @@ -0,0 +1,250 @@ +/* + * Copyright (C) 2007 IBM Deutschland Entwicklung GmbH + * Released under GPL v2. + * + * Partially based on net/ipv4/tcp_probe.c. + * + * Simple tracing facility for spu contexts. + */ +#include <linux/sched.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/marker.h> +#include <linux/proc_fs.h> +#include <linux/wait.h> +#include <asm/atomic.h> +#include <asm/uaccess.h> +#include "spufs.h" + +struct spu_probe { + const char *name; + const char *format; + marker_probe_func *probe_func; +}; + +struct sputrace { + ktime_t tstamp; + int owner_tid; /* owner */ + int curr_tid; + const char *name; + int number; +}; + +static int bufsize __read_mostly = 16384; +MODULE_PARM_DESC(bufsize, "Log buffer size (number of records)"); +module_param(bufsize, int, 0); + + +static DEFINE_SPINLOCK(sputrace_lock); +static DECLARE_WAIT_QUEUE_HEAD(sputrace_wait); +static ktime_t sputrace_start; +static unsigned long sputrace_head, sputrace_tail; +static struct sputrace *sputrace_log; + +static int sputrace_used(void) +{ + return (sputrace_head - sputrace_tail) % bufsize; +} + +static inline int sputrace_avail(void) +{ + return bufsize - sputrace_used(); +} + +static int sputrace_sprint(char *tbuf, int n) +{ + const struct sputrace *t = sputrace_log + sputrace_tail % bufsize; + struct timespec tv = + ktime_to_timespec(ktime_sub(t->tstamp, sputrace_start)); + + return snprintf(tbuf, n, + "[%lu.%09lu] %d: %s (thread = %d, spu = %d)\n", + (unsigned long) tv.tv_sec, + (unsigned long) tv.tv_nsec, + t->owner_tid, + t->name, + t->curr_tid, + t->number); +} + +static ssize_t sputrace_read(struct file *file, char __user *buf, + size_t len, loff_t *ppos) +{ + int error = 0, cnt = 0; + + if (!buf || len < 0) + return -EINVAL; + + while (cnt < len) { + char tbuf[128]; + int width; + + error = wait_event_interruptible(sputrace_wait, + sputrace_used() > 0); + if (error) + break; + + spin_lock(&sputrace_lock); + if (sputrace_head == sputrace_tail) { + spin_unlock(&sputrace_lock); + continue; + } + + width = sputrace_sprint(tbuf, sizeof(tbuf)); + if (width < len) + sputrace_tail = (sputrace_tail + 1) % bufsize; + spin_unlock(&sputrace_lock); + + if (width >= len) + break; + + error = copy_to_user(buf + cnt, tbuf, width); + if (error) + break; + cnt += width; + } + + return cnt == 0 ? error : cnt; +} + +static int sputrace_open(struct inode *inode, struct file *file) +{ + spin_lock(&sputrace_lock); + sputrace_head = sputrace_tail = 0; + sputrace_start = ktime_get(); + spin_unlock(&sputrace_lock); + + return 0; +} + +static const struct file_operations sputrace_fops = { + .owner = THIS_MODULE, + .open = sputrace_open, + .read = sputrace_read, +}; + +static void sputrace_log_item(const char *name, struct spu_context *ctx, + struct spu *spu) +{ + spin_lock(&sputrace_lock); + if (sputrace_avail() > 1) { + struct sputrace *t = sputrace_log + sputrace_head; + + t->tstamp = ktime_get(); + t->owner_tid = ctx->tid; + t->name = name; + t->curr_tid = current->pid; + t->number = spu ? spu->number : -1; + + sputrace_head = (sputrace_head + 1) % bufsize; + } else { + printk(KERN_WARNING + "sputrace: lost samples due to full buffer.\n"); + } + spin_unlock(&sputrace_lock); + + wake_up(&sputrace_wait); +} + +static void spu_context_event(const struct marker *mdata, + void *private, const char *format, ...) +{ + struct spu_probe *p = mdata->private; + va_list ap; + struct spu_context *ctx; + struct spu *spu; + + va_start(ap, format); + ctx = va_arg(ap, struct spu_context *); + spu = va_arg(ap, struct spu *); + + sputrace_log_item(p->name, ctx, spu); + va_end(ap); +} + +static void spu_context_nospu_event(const struct marker *mdata, + void *private, const char *format, ...) +{ + struct spu_probe *p = mdata->private; + va_list ap; + struct spu_context *ctx; + + va_start(ap, format); + ctx = va_arg(ap, struct spu_context *); + + sputrace_log_item(p->name, ctx, NULL); + va_end(ap); +} + +struct spu_probe spu_probes[] = { + { "spu_bind_context__enter", "%p %p", spu_context_event }, + { "spu_unbind_context__enter", "%p %p", spu_context_event }, + { "spu_get_idle__enter", "%p", spu_context_nospu_event }, + { "spu_get_idle__found", "%p %p", spu_context_event }, + { "spu_get_idle__not_found", "%p", spu_context_nospu_event }, + { "spu_find_victim__enter", "%p", spu_context_nospu_event }, + { "spusched_tick__preempt", "%p %p", spu_context_event }, + { "spusched_tick__newslice", "%p", spu_context_nospu_event }, + { "spu_yield__enter", "%p", spu_context_nospu_event }, + { "spu_deactivate__enter", "%p", spu_context_nospu_event }, + { "__spu_deactivate__unload", "%p %p", spu_context_event }, + { "spufs_ps_nopfn__enter", "%p", spu_context_nospu_event }, + { "spufs_ps_nopfn__sleep", "%p", spu_context_nospu_event }, + { "spufs_ps_nopfn__wake", "%p %p", spu_context_event }, + { "spufs_ps_nopfn__insert", "%p %p", spu_context_event }, + { "spu_acquire_saved__enter", "%p", spu_context_nospu_event }, + { "destroy_spu_context__enter", "%p", spu_context_nospu_event }, +}; + +static int __init sputrace_init(void) +{ + struct proc_dir_entry *entry; + int i, error = -ENOMEM; + + sputrace_log = kcalloc(sizeof(struct sputrace), + bufsize, GFP_KERNEL); + if (!sputrace_log) + goto out; + + entry = create_proc_entry("sputrace", S_IRUSR, NULL); + if (!entry) + goto out_free_log; + entry->proc_fops = &sputrace_fops; + + for (i = 0; i < ARRAY_SIZE(spu_probes); i++) { + struct spu_probe *p = &spu_probes[i]; + + error = marker_probe_register(p->name, p->format, + p->probe_func, p); + if (error) + printk(KERN_INFO "Unable to register probe %s\n", + p->name); + + error = marker_arm(p->name); + if (error) + printk(KERN_INFO "Unable to arm probe %s\n", p->name); + } + + return 0; + +out_free_log: + kfree(sputrace_log); +out: + return -ENOMEM; +} + +static void __exit sputrace_exit(void) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(spu_probes); i++) + marker_probe_unregister(spu_probes[i].name); + + remove_proc_entry("sputrace", NULL); + kfree(sputrace_log); +} + +module_init(sputrace_init); +module_exit(sputrace_exit); + +MODULE_LICENSE("GPL"); diff --git a/arch/powerpc/platforms/embedded6xx/storcenter.c b/arch/powerpc/platforms/embedded6xx/storcenter.c index e12e9d29871..8864e488498 100644 --- a/arch/powerpc/platforms/embedded6xx/storcenter.c +++ b/arch/powerpc/platforms/embedded6xx/storcenter.c @@ -132,33 +132,18 @@ static void __init storcenter_init_IRQ(void) paddr = (phys_addr_t)of_translate_address(dnp, prop); mpic = mpic_alloc(dnp, paddr, MPIC_PRIMARY | MPIC_WANTS_RESET, - 4, 32, " EPIC "); + 16, 32, " OpenPIC "); of_node_put(dnp); BUG_ON(mpic == NULL); - /* PCI IRQs */ /* - * 2.6.12 patch: - * openpic_set_sources(0, 5, OpenPIC_Addr + 0x10200); - * openpic_set_sources(5, 2, OpenPIC_Addr + 0x11120); - * first_irq, num_irqs, __iomem first_ISR - * o_ss: i, src: 0, fdf50200 - * o_ss: i, src: 1, fdf50220 - * o_ss: i, src: 2, fdf50240 - * o_ss: i, src: 3, fdf50260 - * o_ss: i, src: 4, fdf50280 - * o_ss: i, src: 5, fdf51120 - * o_ss: i, src: 6, fdf51140 + * 16 Serial Interrupts followed by 16 Internal Interrupts. + * I2C is the second internal, so it is at 17, 0x11020. */ mpic_assign_isu(mpic, 0, paddr + 0x10200); - mpic_assign_isu(mpic, 1, paddr + 0x10220); - mpic_assign_isu(mpic, 2, paddr + 0x10240); - mpic_assign_isu(mpic, 3, paddr + 0x10260); - mpic_assign_isu(mpic, 4, paddr + 0x10280); - mpic_assign_isu(mpic, 5, paddr + 0x11120); - mpic_assign_isu(mpic, 6, paddr + 0x11140); + mpic_assign_isu(mpic, 1, paddr + 0x11000); mpic_init(mpic); } @@ -178,7 +163,7 @@ static int __init storcenter_probe(void) { unsigned long root = of_get_flat_dt_root(); - return of_flat_dt_is_compatible(root, "storcenter"); + return of_flat_dt_is_compatible(root, "iomega,storcenter"); } define_machine(storcenter){ diff --git a/arch/powerpc/platforms/iseries/iommu.c b/arch/powerpc/platforms/iseries/iommu.c index 6a0c6f6675c..11fa3c772ed 100644 --- a/arch/powerpc/platforms/iseries/iommu.c +++ b/arch/powerpc/platforms/iseries/iommu.c @@ -199,7 +199,7 @@ static struct iommu_table vio_iommu_table; void *iseries_hv_alloc(size_t size, dma_addr_t *dma_handle, gfp_t flag) { - return iommu_alloc_coherent(&vio_iommu_table, size, dma_handle, + return iommu_alloc_coherent(NULL, &vio_iommu_table, size, dma_handle, DMA_32BIT_MASK, flag, -1); } EXPORT_SYMBOL_GPL(iseries_hv_alloc); @@ -213,7 +213,7 @@ EXPORT_SYMBOL_GPL(iseries_hv_free); dma_addr_t iseries_hv_map(void *vaddr, size_t size, enum dma_data_direction direction) { - return iommu_map_single(&vio_iommu_table, vaddr, size, + return iommu_map_single(NULL, &vio_iommu_table, vaddr, size, DMA_32BIT_MASK, direction); } diff --git a/arch/powerpc/platforms/powermac/cpufreq_32.c b/arch/powerpc/platforms/powermac/cpufreq_32.c index c04abcc28a7..792d3ce8112 100644 --- a/arch/powerpc/platforms/powermac/cpufreq_32.c +++ b/arch/powerpc/platforms/powermac/cpufreq_32.c @@ -113,8 +113,6 @@ static inline void debug_calc_bogomips(void) * result. We backup/restore the value to avoid affecting the * core cpufreq framework's own calculation. */ - extern void calibrate_delay(void); - unsigned long save_lpj = loops_per_jiffy; calibrate_delay(); loops_per_jiffy = save_lpj; diff --git a/arch/powerpc/platforms/pseries/hotplug-cpu.c b/arch/powerpc/platforms/pseries/hotplug-cpu.c index c4ad54e0f28..1f032483c02 100644 --- a/arch/powerpc/platforms/pseries/hotplug-cpu.c +++ b/arch/powerpc/platforms/pseries/hotplug-cpu.c @@ -58,7 +58,7 @@ static void pseries_mach_cpu_die(void) { local_irq_disable(); idle_task_exit(); - xics_teardown_cpu(0); + xics_teardown_cpu(); unregister_slb_shadow(hard_smp_processor_id(), __pa(get_slb_shadow())); rtas_stop_self(); /* Should never get here... */ diff --git a/arch/powerpc/platforms/pseries/kexec.c b/arch/powerpc/platforms/pseries/kexec.c index 412a5e7aff2..e9dd5fe081c 100644 --- a/arch/powerpc/platforms/pseries/kexec.c +++ b/arch/powerpc/platforms/pseries/kexec.c @@ -54,7 +54,7 @@ void __init setup_kexec_cpu_down_mpic(void) static void pseries_kexec_cpu_down_xics(int crash_shutdown, int secondary) { pseries_kexec_cpu_down(crash_shutdown, secondary); - xics_teardown_cpu(secondary); + xics_kexec_teardown_cpu(secondary); } void __init setup_kexec_cpu_down_xics(void) diff --git a/arch/powerpc/platforms/pseries/reconfig.c b/arch/powerpc/platforms/pseries/reconfig.c index c02f8742c54..2800fced8c7 100644 --- a/arch/powerpc/platforms/pseries/reconfig.c +++ b/arch/powerpc/platforms/pseries/reconfig.c @@ -167,6 +167,7 @@ static int pSeries_reconfig_remove_node(struct device_node *np) if ((child = of_get_next_child(np, NULL))) { of_node_put(child); + of_node_put(parent); return -EBUSY; } diff --git a/arch/powerpc/platforms/pseries/xics.c b/arch/powerpc/platforms/pseries/xics.c index 8f8dd9c3ca6..ca52b587166 100644 --- a/arch/powerpc/platforms/pseries/xics.c +++ b/arch/powerpc/platforms/pseries/xics.c @@ -160,6 +160,46 @@ static inline void lpar_qirr_info(int n_cpu , u8 value) /* High level handlers and init code */ +static void xics_update_irq_servers(void) +{ + int i, j; + struct device_node *np; + u32 ilen; + const u32 *ireg, *isize; + u32 hcpuid; + + /* Find the server numbers for the boot cpu. */ + np = of_get_cpu_node(boot_cpuid, NULL); + BUG_ON(!np); + + ireg = of_get_property(np, "ibm,ppc-interrupt-gserver#s", &ilen); + if (!ireg) { + of_node_put(np); + return; + } + + i = ilen / sizeof(int); + hcpuid = get_hard_smp_processor_id(boot_cpuid); + + /* Global interrupt distribution server is specified in the last + * entry of "ibm,ppc-interrupt-gserver#s" property. Get the last + * entry fom this property for current boot cpu id and use it as + * default distribution server + */ + for (j = 0; j < i; j += 2) { + if (ireg[j] == hcpuid) { + default_server = hcpuid; + default_distrib_server = ireg[j+1]; + + isize = of_get_property(np, + "ibm,interrupt-server#-size", NULL); + if (isize) + interrupt_server_size = *isize; + } + } + + of_node_put(np); +} #ifdef CONFIG_SMP static int get_irq_server(unsigned int virq, unsigned int strict_check) @@ -169,6 +209,9 @@ static int get_irq_server(unsigned int virq, unsigned int strict_check) cpumask_t cpumask = irq_desc[virq].affinity; cpumask_t tmp = CPU_MASK_NONE; + if (! cpu_isset(default_server, cpu_online_map)) + xics_update_irq_servers(); + if (!distribute_irqs) return default_server; @@ -658,39 +701,11 @@ static void __init xics_setup_8259_cascade(void) set_irq_chained_handler(cascade, pseries_8259_cascade); } -static struct device_node *cpuid_to_of_node(int cpu) -{ - struct device_node *np; - u32 hcpuid = get_hard_smp_processor_id(cpu); - - for_each_node_by_type(np, "cpu") { - int i, len; - const u32 *intserv; - - intserv = of_get_property(np, "ibm,ppc-interrupt-server#s", - &len); - - if (!intserv) - intserv = of_get_property(np, "reg", &len); - - i = len / sizeof(u32); - - while (i--) - if (intserv[i] == hcpuid) - return np; - } - - return NULL; -} - void __init xics_init_IRQ(void) { - int i, j; struct device_node *np; - u32 ilen, indx = 0; - const u32 *ireg, *isize; + u32 indx = 0; int found = 0; - u32 hcpuid; ppc64_boot_msg(0x20, "XICS Init"); @@ -709,34 +724,7 @@ void __init xics_init_IRQ(void) return; xics_init_host(); - - /* Find the server numbers for the boot cpu. */ - np = cpuid_to_of_node(boot_cpuid); - BUG_ON(!np); - ireg = of_get_property(np, "ibm,ppc-interrupt-gserver#s", &ilen); - if (!ireg) - goto skip_gserver_check; - i = ilen / sizeof(int); - hcpuid = get_hard_smp_processor_id(boot_cpuid); - - /* Global interrupt distribution server is specified in the last - * entry of "ibm,ppc-interrupt-gserver#s" property. Get the last - * entry fom this property for current boot cpu id and use it as - * default distribution server - */ - for (j = 0; j < i; j += 2) { - if (ireg[j] == hcpuid) { - default_server = hcpuid; - default_distrib_server = ireg[j+1]; - - isize = of_get_property(np, - "ibm,interrupt-server#-size", NULL); - if (isize) - interrupt_server_size = *isize; - } - } -skip_gserver_check: - of_node_put(np); + xics_update_irq_servers(); if (firmware_has_feature(FW_FEATURE_LPAR)) ppc_md.get_irq = xics_get_irq_lpar; @@ -775,11 +763,9 @@ void xics_request_IPIs(void) } #endif /* CONFIG_SMP */ -void xics_teardown_cpu(int secondary) +void xics_teardown_cpu() { int cpu = smp_processor_id(); - unsigned int ipi; - struct irq_desc *desc; xics_set_cpu_priority(0); @@ -790,9 +776,17 @@ void xics_teardown_cpu(int secondary) lpar_qirr_info(cpu, 0xff); else direct_qirr_info(cpu, 0xff); +} + +void xics_kexec_teardown_cpu(int secondary) +{ + unsigned int ipi; + struct irq_desc *desc; + + xics_teardown_cpu(); /* - * we need to EOI the IPI if we got here from kexec down IPI + * we need to EOI the IPI * * probably need to check all the other interrupts too * should we be flagging idle loop instead? @@ -880,8 +874,8 @@ void xics_migrate_irqs_away(void) virq, cpu); /* Reset affinity to all cpus */ + irq_desc[virq].affinity = CPU_MASK_ALL; desc->chip->set_affinity(virq, CPU_MASK_ALL); - irq_desc[irq].affinity = CPU_MASK_ALL; unlock: spin_unlock_irqrestore(&desc->lock, flags); } diff --git a/arch/powerpc/platforms/pseries/xics.h b/arch/powerpc/platforms/pseries/xics.h index 9ffd809d29e..c26bcff47b6 100644 --- a/arch/powerpc/platforms/pseries/xics.h +++ b/arch/powerpc/platforms/pseries/xics.h @@ -16,7 +16,8 @@ extern void xics_init_IRQ(void); extern void xics_setup_cpu(void); -extern void xics_teardown_cpu(int secondary); +extern void xics_teardown_cpu(void); +extern void xics_kexec_teardown_cpu(int secondary); extern void xics_cause_IPI(int cpu); extern void xics_request_IPIs(void); extern void xics_migrate_irqs_away(void); diff --git a/arch/powerpc/sysdev/dcr.c b/arch/powerpc/sysdev/dcr.c index 427027c7ea0..437e48d3ae3 100644 --- a/arch/powerpc/sysdev/dcr.c +++ b/arch/powerpc/sysdev/dcr.c @@ -137,5 +137,6 @@ void dcr_unmap(dcr_host_t host, unsigned int dcr_c) h.token = NULL; } EXPORT_SYMBOL_GPL(dcr_unmap); - -#endif /* !defined(CONFIG_PPC_DCR_NATIVE) */ +#else /* defined(CONFIG_PPC_DCR_NATIVE) */ +DEFINE_SPINLOCK(dcr_ind_lock); +#endif /* !defined(CONFIG_PPC_DCR_NATIVE) */ diff --git a/arch/powerpc/sysdev/fsl_soc.c b/arch/powerpc/sysdev/fsl_soc.c index e48b20e934c..2c5388ce902 100644 --- a/arch/powerpc/sysdev/fsl_soc.c +++ b/arch/powerpc/sysdev/fsl_soc.c @@ -1342,7 +1342,7 @@ static int __init of_fsl_spi_probe(char *type, char *compatible, u32 sysclk, if (ret) goto unreg; - ret = platform_device_register(pdev); + ret = platform_device_add(pdev); if (ret) goto unreg; diff --git a/arch/powerpc/sysdev/mpc8xx_pic.c b/arch/powerpc/sysdev/mpc8xx_pic.c index 0e74a4bd982..5d2d5522ef4 100644 --- a/arch/powerpc/sysdev/mpc8xx_pic.c +++ b/arch/powerpc/sysdev/mpc8xx_pic.c @@ -174,15 +174,19 @@ int mpc8xx_pic_init(void) goto out; siu_reg = ioremap(res.start, res.end - res.start + 1); - if (siu_reg == NULL) - return -EINVAL; + if (siu_reg == NULL) { + ret = -EINVAL; + goto out; + } - mpc8xx_pic_host = irq_alloc_host(of_node_get(np), IRQ_HOST_MAP_LINEAR, + mpc8xx_pic_host = irq_alloc_host(np, IRQ_HOST_MAP_LINEAR, 64, &mpc8xx_pic_host_ops, 64); if (mpc8xx_pic_host == NULL) { printk(KERN_ERR "MPC8xx PIC: failed to allocate irq host!\n"); ret = -ENOMEM; + goto out; } + return 0; out: of_node_put(np); diff --git a/arch/powerpc/sysdev/qe_lib/qe.c b/arch/powerpc/sysdev/qe_lib/qe.c index 5ef844da935..6efbd5e5bb1 100644 --- a/arch/powerpc/sysdev/qe_lib/qe.c +++ b/arch/powerpc/sysdev/qe_lib/qe.c @@ -66,7 +66,7 @@ phys_addr_t get_qe_base(void) { struct device_node *qe; unsigned int size; - const void *prop; + const u32 *prop; if (qebase != -1) return qebase; @@ -79,7 +79,8 @@ phys_addr_t get_qe_base(void) } prop = of_get_property(qe, "reg", &size); - qebase = of_translate_address(qe, prop); + if (prop && size >= sizeof(*prop)) + qebase = of_translate_address(qe, prop); of_node_put(qe); return qebase; @@ -172,10 +173,9 @@ unsigned int get_brg_clk(void) } prop = of_get_property(qe, "brg-frequency", &size); - if (!prop || size != sizeof(*prop)) - return brg_clk; + if (prop && size == sizeof(*prop)) + brg_clk = *prop; - brg_clk = *prop; of_node_put(qe); return brg_clk; |