diff options
Diffstat (limited to 'arch/arm')
25 files changed, 628 insertions, 471 deletions
diff --git a/arch/arm/boot/compressed/head-shark.S b/arch/arm/boot/compressed/head-shark.S index 848f60e5429..089c560e07f 100644 --- a/arch/arm/boot/compressed/head-shark.S +++ b/arch/arm/boot/compressed/head-shark.S @@ -63,8 +63,8 @@ __beginning: mov r4, r0 @ save the entry to the firmware mov pc, r2 -__copy_target: .long 0x08508000 -__copy_end: .long 0x08608000 +__copy_target: .long 0x08507FFC +__copy_end: .long 0x08607FFC .word _start .word __bss_start @@ -73,9 +73,10 @@ __copy_end: .long 0x08608000 __temp_stack: .space 128 __mmu_off: - adr r0, __ofw_data + adr r0, __ofw_data @ read the 1. entry of the memory map ldr r0, [r0, #4] orr r0, r0, #0x00600000 + sub r0, r0, #4 ldr r1, __copy_end ldr r3, __copy_target @@ -89,20 +90,43 @@ __mmu_off: * from 0x08500000 to 0x08508000 if we have only 8MB */ +/* As we get more 2.6-kernels it gets more and more + * uncomfortable to be bound to kernel images of 1MB only. + * So we add a loop here, to be able to copy some more. + * Alexander Schulz 2005-07-17 + */ + + mov r4, #3 @ How many megabytes to copy + + +__MoveCode: sub r4, r4, #1 __Copy: ldr r2, [r0], #-4 str r2, [r1], #-4 teq r1, r3 bne __Copy + + /* The firmware maps us in blocks of 1 MB, the next block is + _below_ the last one. So our decrementing source pointer + ist right here, but the destination pointer must be increased + by 2 MB */ + add r1, r1, #0x00200000 + add r3, r3, #0x00100000 + + teq r4, #0 + bne __MoveCode + + /* and jump to it */ - adr r2, __go_on - adr r0, __ofw_data + adr r2, __go_on @ where we want to jump + adr r0, __ofw_data @ read the 1. entry of the memory map ldr r0, [r0, #4] - sub r2, r2, r0 - sub r2, r2, #0x00500000 - ldr r0, __copy_target + sub r2, r2, r0 @ we are mapped add 0e50 now, sub that (-0e00) + sub r2, r2, #0x00500000 @ -0050 + ldr r0, __copy_target @ and add 0850 8000 instead + add r0, r0, #4 add r2, r2, r0 - mov pc, r2 + mov pc, r2 @ and jump there __go_on: adr sp, __temp_stack diff --git a/arch/arm/configs/bast_defconfig b/arch/arm/configs/bast_defconfig index 2d985e9611c..35e3a99bcbb 100644 --- a/arch/arm/configs/bast_defconfig +++ b/arch/arm/configs/bast_defconfig @@ -561,7 +561,6 @@ CONFIG_SERIAL_8250_SHARE_IRQ=y # CONFIG_SERIAL_S3C2410=y CONFIG_SERIAL_S3C2410_CONSOLE=y -CONFIG_SERIAL_BAST_SIO=y CONFIG_SERIAL_CORE=y CONFIG_SERIAL_CORE_CONSOLE=y CONFIG_UNIX98_PTYS=y diff --git a/arch/arm/configs/s3c2410_defconfig b/arch/arm/configs/s3c2410_defconfig index 98b72ff3883..96a794d8de8 100644 --- a/arch/arm/configs/s3c2410_defconfig +++ b/arch/arm/configs/s3c2410_defconfig @@ -570,7 +570,6 @@ CONFIG_SERIAL_8250_SHARE_IRQ=y # CONFIG_SERIAL_S3C2410=y CONFIG_SERIAL_S3C2410_CONSOLE=y -CONFIG_SERIAL_BAST_SIO=y CONFIG_SERIAL_CORE=y CONFIG_SERIAL_CORE_CONSOLE=y CONFIG_UNIX98_PTYS=y diff --git a/arch/arm/configs/shark_defconfig b/arch/arm/configs/shark_defconfig index 1d9bcbbc8df..271823f0d70 100644 --- a/arch/arm/configs/shark_defconfig +++ b/arch/arm/configs/shark_defconfig @@ -1,22 +1,21 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.12-rc1-bk2 -# Sun Mar 27 23:59:14 2005 +# Linux kernel version: 2.6.12-git3 +# Sat Jul 16 15:21:47 2005 # CONFIG_ARM=y CONFIG_MMU=y CONFIG_UID16=y CONFIG_RWSEM_GENERIC_SPINLOCK=y CONFIG_GENERIC_CALIBRATE_DELAY=y -CONFIG_GENERIC_IOMAP=y # # Code maturity level options # CONFIG_EXPERIMENTAL=y -# CONFIG_CLEAN_COMPILE is not set -CONFIG_BROKEN=y +CONFIG_CLEAN_COMPILE=y CONFIG_BROKEN_ON_SMP=y +CONFIG_INIT_ENV_ARG_LIMIT=32 # # General setup @@ -33,7 +32,10 @@ CONFIG_KOBJECT_UEVENT=y # CONFIG_IKCONFIG is not set # CONFIG_EMBEDDED is not set CONFIG_KALLSYMS=y +# CONFIG_KALLSYMS_ALL is not set # CONFIG_KALLSYMS_EXTRA_PASS is not set +CONFIG_PRINTK=y +CONFIG_BUG=y CONFIG_BASE_FULL=y CONFIG_FUTEX=y CONFIG_EPOLL=y @@ -81,6 +83,7 @@ CONFIG_ARCH_SHARK=y # CONFIG_ARCH_VERSATILE is not set # CONFIG_ARCH_IMX is not set # CONFIG_ARCH_H720X is not set +# CONFIG_ARCH_AAEC2000 is not set # # Processor Type @@ -103,10 +106,12 @@ CONFIG_CPU_TLB_V4WB=y # CONFIG_ISA=y CONFIG_ISA_DMA=y +CONFIG_ISA_DMA_API=y CONFIG_PCI=y CONFIG_PCI_HOST_VIA82C505=y CONFIG_PCI_LEGACY_PROC=y # CONFIG_PCI_NAMES is not set +# CONFIG_PCI_DEBUG is not set # # PCCARD (PCMCIA/CardBus) support @@ -116,7 +121,9 @@ CONFIG_PCI_LEGACY_PROC=y # # Kernel Features # +# CONFIG_SMP is not set # CONFIG_PREEMPT is not set +# CONFIG_DISCONTIGMEM is not set CONFIG_LEDS=y CONFIG_LEDS_TIMER=y # CONFIG_LEDS_CPU is not set @@ -163,6 +170,7 @@ CONFIG_BINFMT_ELF=y # CONFIG_STANDALONE is not set CONFIG_PREVENT_FIRMWARE_BUILD=y # CONFIG_FW_LOADER is not set +# CONFIG_DEBUG_DRIVER is not set # # Memory Technology Devices (MTD) @@ -172,8 +180,8 @@ CONFIG_PREVENT_FIRMWARE_BUILD=y # # Parallel port support # -CONFIG_PARPORT=y -CONFIG_PARPORT_PC=y +CONFIG_PARPORT=m +CONFIG_PARPORT_PC=m # CONFIG_PARPORT_SERIAL is not set # CONFIG_PARPORT_PC_FIFO is not set # CONFIG_PARPORT_PC_SUPERIO is not set @@ -189,7 +197,6 @@ CONFIG_PARPORT_PC=y # # Block devices # -# CONFIG_BLK_DEV_FD is not set # CONFIG_BLK_DEV_XD is not set # CONFIG_PARIDE is not set # CONFIG_BLK_CPQ_DA is not set @@ -229,7 +236,7 @@ CONFIG_BLK_DEV_IDE=y # CONFIG_BLK_DEV_IDE_SATA is not set CONFIG_BLK_DEV_IDEDISK=y # CONFIG_IDEDISK_MULTI_MODE is not set -CONFIG_BLK_DEV_IDECD=y +CONFIG_BLK_DEV_IDECD=m # CONFIG_BLK_DEV_IDETAPE is not set CONFIG_BLK_DEV_IDEFLOPPY=y # CONFIG_BLK_DEV_IDESCSI is not set @@ -261,6 +268,7 @@ CONFIG_CHR_DEV_ST=m CONFIG_BLK_DEV_SR=m # CONFIG_BLK_DEV_SR_VENDOR is not set CONFIG_CHR_DEV_SG=m +# CONFIG_CHR_DEV_SCH is not set # # Some SCSI devices (e.g. CD jukebox) support multiple LUNs @@ -290,17 +298,14 @@ CONFIG_CHR_DEV_SG=m # CONFIG_SCSI_AIC7XXX_OLD is not set # CONFIG_SCSI_AIC79XX is not set # CONFIG_SCSI_DPT_I2O is not set -# CONFIG_SCSI_ADVANSYS is not set # CONFIG_SCSI_IN2000 is not set # CONFIG_MEGARAID_NEWGEN is not set # CONFIG_MEGARAID_LEGACY is not set # CONFIG_SCSI_SATA is not set # CONFIG_SCSI_BUSLOGIC is not set -# CONFIG_SCSI_CPQFCTS is not set # CONFIG_SCSI_DMX3191D is not set # CONFIG_SCSI_DTC3280 is not set # CONFIG_SCSI_EATA is not set -# CONFIG_SCSI_EATA_PIO is not set # CONFIG_SCSI_FUTURE_DOMAIN is not set # CONFIG_SCSI_GDTH is not set # CONFIG_SCSI_GENERIC_NCR5380 is not set @@ -314,11 +319,8 @@ CONFIG_CHR_DEV_SG=m # CONFIG_SCSI_SYM53C8XX_2 is not set # CONFIG_SCSI_IPR is not set # CONFIG_SCSI_PAS16 is not set -# CONFIG_SCSI_PCI2000 is not set -# CONFIG_SCSI_PCI2220I is not set # CONFIG_SCSI_PSI240I is not set # CONFIG_SCSI_QLOGIC_FAS is not set -# CONFIG_SCSI_QLOGIC_ISP is not set # CONFIG_SCSI_QLOGIC_FC is not set # CONFIG_SCSI_QLOGIC_1280 is not set CONFIG_SCSI_QLA2XXX=m @@ -327,6 +329,7 @@ CONFIG_SCSI_QLA2XXX=m # CONFIG_SCSI_QLA2300 is not set # CONFIG_SCSI_QLA2322 is not set # CONFIG_SCSI_QLA6312 is not set +# CONFIG_SCSI_LPFC is not set # CONFIG_SCSI_SYM53C416 is not set # CONFIG_SCSI_DC395x is not set # CONFIG_SCSI_DC390T is not set @@ -344,6 +347,8 @@ CONFIG_SCSI_QLA2XXX=m # Fusion MPT device support # # CONFIG_FUSION is not set +# CONFIG_FUSION_SPI is not set +# CONFIG_FUSION_FC is not set # # IEEE 1394 (FireWire) support @@ -365,7 +370,6 @@ CONFIG_NET=y # CONFIG_PACKET=y # CONFIG_PACKET_MMAP is not set -# CONFIG_NETLINK_DEV is not set CONFIG_UNIX=y # CONFIG_NET_KEY is not set CONFIG_INET=y @@ -380,7 +384,7 @@ CONFIG_INET=y # CONFIG_INET_ESP is not set # CONFIG_INET_IPCOMP is not set # CONFIG_INET_TUNNEL is not set -# CONFIG_IP_TCPDIAG is not set +CONFIG_IP_TCPDIAG=y # CONFIG_IP_TCPDIAG_IPV6 is not set # CONFIG_IPV6 is not set # CONFIG_NETFILTER is not set @@ -439,6 +443,7 @@ CONFIG_NET_ETHERNET=y # CONFIG_LANCE is not set # CONFIG_NET_VENDOR_SMC is not set # CONFIG_SMC91X is not set +# CONFIG_DM9000 is not set # CONFIG_NET_VENDOR_RACAL is not set # @@ -483,9 +488,11 @@ CONFIG_CS89x0=y # CONFIG_HAMACHI is not set # CONFIG_YELLOWFIN is not set # CONFIG_R8169 is not set +# CONFIG_SKGE is not set # CONFIG_SK98LIN is not set # CONFIG_VIA_VELOCITY is not set # CONFIG_TIGON3 is not set +# CONFIG_BNX2 is not set # # Ethernet (10000 Mbit) @@ -569,7 +576,6 @@ CONFIG_SERIO_I8042=y CONFIG_SERIO_LIBPS2=y # CONFIG_SERIO_RAW is not set # CONFIG_GAMEPORT is not set -CONFIG_SOUND_GAMEPORT=y # # Character devices @@ -592,6 +598,7 @@ CONFIG_SERIAL_8250_NR_UARTS=4 # CONFIG_SERIAL_CORE=y CONFIG_SERIAL_CORE_CONSOLE=y +# CONFIG_SERIAL_JSM is not set CONFIG_UNIX98_PTYS=y CONFIG_LEGACY_PTYS=y CONFIG_LEGACY_PTY_COUNT=256 @@ -653,6 +660,7 @@ CONFIG_FB_CFB_FILLRECT=y CONFIG_FB_CFB_COPYAREA=y CONFIG_FB_CFB_IMAGEBLIT=y CONFIG_FB_SOFT_CURSOR=y +# CONFIG_FB_MACMODES is not set # CONFIG_FB_MODE_HELPERS is not set # CONFIG_FB_TILEBLITTING is not set # CONFIG_FB_CIRRUS is not set @@ -674,7 +682,7 @@ CONFIG_FB_CYBER2000=y # CONFIG_FB_3DFX is not set # CONFIG_FB_VOODOO1 is not set # CONFIG_FB_TRIDENT is not set -# CONFIG_FB_PM3 is not set +# CONFIG_FB_S1D13XXX is not set # CONFIG_FB_VIRTUAL is not set # @@ -808,7 +816,7 @@ CONFIG_DNOTIFY=y # # CD-ROM/DVD Filesystems # -CONFIG_ISO9660_FS=y +CONFIG_ISO9660_FS=m CONFIG_JOLIET=y # CONFIG_ZISOFS is not set # CONFIG_UDF_FS is not set @@ -816,9 +824,9 @@ CONFIG_JOLIET=y # # DOS/FAT/NT Filesystems # -CONFIG_FAT_FS=y -CONFIG_MSDOS_FS=y -CONFIG_VFAT_FS=y +CONFIG_FAT_FS=m +CONFIG_MSDOS_FS=m +CONFIG_VFAT_FS=m CONFIG_FAT_DEFAULT_CODEPAGE=437 CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1" # CONFIG_NTFS_FS is not set @@ -833,7 +841,6 @@ CONFIG_DEVFS_MOUNT=y # CONFIG_DEVFS_DEBUG is not set # CONFIG_DEVPTS_FS_XATTR is not set # CONFIG_TMPFS is not set -# CONFIG_HUGETLBFS is not set # CONFIG_HUGETLB_PAGE is not set CONFIG_RAMFS=y @@ -857,13 +864,14 @@ CONFIG_RAMFS=y # # Network File Systems # -CONFIG_NFS_FS=y -# CONFIG_NFS_V3 is not set +CONFIG_NFS_FS=m +CONFIG_NFS_V3=y # CONFIG_NFS_V4 is not set # CONFIG_NFS_DIRECTIO is not set # CONFIG_NFSD is not set -CONFIG_LOCKD=y -CONFIG_SUNRPC=y +CONFIG_LOCKD=m +CONFIG_LOCKD_V4=y +CONFIG_SUNRPC=m # CONFIG_RPCSEC_GSS_KRB5 is not set # CONFIG_RPCSEC_GSS_SPKM3 is not set # CONFIG_SMB_FS is not set @@ -895,12 +903,12 @@ CONFIG_MSDOS_PARTITION=y # # Native Language Support # -CONFIG_NLS=y +CONFIG_NLS=m CONFIG_NLS_DEFAULT="iso8859-1" -CONFIG_NLS_CODEPAGE_437=y +CONFIG_NLS_CODEPAGE_437=m # CONFIG_NLS_CODEPAGE_737 is not set # CONFIG_NLS_CODEPAGE_775 is not set -CONFIG_NLS_CODEPAGE_850=y +CONFIG_NLS_CODEPAGE_850=m # CONFIG_NLS_CODEPAGE_852 is not set # CONFIG_NLS_CODEPAGE_855 is not set # CONFIG_NLS_CODEPAGE_857 is not set @@ -921,7 +929,7 @@ CONFIG_NLS_CODEPAGE_850=y # CONFIG_NLS_CODEPAGE_1250 is not set # CONFIG_NLS_CODEPAGE_1251 is not set # CONFIG_NLS_ASCII is not set -CONFIG_NLS_ISO8859_1=y +CONFIG_NLS_ISO8859_1=m # CONFIG_NLS_ISO8859_2 is not set # CONFIG_NLS_ISO8859_3 is not set # CONFIG_NLS_ISO8859_4 is not set @@ -945,11 +953,22 @@ CONFIG_NLS_ISO8859_1=y # Kernel hacking # # CONFIG_PRINTK_TIME is not set -# CONFIG_DEBUG_KERNEL is not set +CONFIG_DEBUG_KERNEL=y +# CONFIG_MAGIC_SYSRQ is not set CONFIG_LOG_BUF_SHIFT=14 +# CONFIG_SCHEDSTATS is not set +# CONFIG_DEBUG_SLAB is not set +# CONFIG_DEBUG_SPINLOCK is not set +# CONFIG_DEBUG_SPINLOCK_SLEEP is not set +# CONFIG_DEBUG_KOBJECT is not set CONFIG_DEBUG_BUGVERBOSE=y +# CONFIG_DEBUG_INFO is not set +# CONFIG_DEBUG_FS is not set CONFIG_FRAME_POINTER=y CONFIG_DEBUG_USER=y +# CONFIG_DEBUG_WAITQ is not set +# CONFIG_DEBUG_ERRORS is not set +# CONFIG_DEBUG_LL is not set # # Security options diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c index bbea636ff68..409db6d5ec9 100644 --- a/arch/arm/kernel/process.c +++ b/arch/arm/kernel/process.c @@ -131,7 +131,6 @@ void machine_halt(void) { } -EXPORT_SYMBOL(machine_halt); void machine_power_off(void) { @@ -139,7 +138,6 @@ void machine_power_off(void) pm_power_off(); } -EXPORT_SYMBOL(machine_power_off); void machine_restart(char * __unused) { @@ -169,8 +167,6 @@ void machine_restart(char * __unused) while (1); } -EXPORT_SYMBOL(machine_restart); - void __show_regs(struct pt_regs *regs) { unsigned long flags = condition_codes(regs); diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c index a931409c8fe..b2085735a2b 100644 --- a/arch/arm/kernel/smp.c +++ b/arch/arm/kernel/smp.c @@ -36,7 +36,7 @@ * The present bitmask indicates that the CPU is physically present. * The online bitmask indicates that the CPU is up and running. */ -cpumask_t cpu_present_mask; +cpumask_t cpu_possible_map; cpumask_t cpu_online_map; /* @@ -78,7 +78,7 @@ struct smp_call_struct { static struct smp_call_struct * volatile smp_call_function_data; static DEFINE_SPINLOCK(smp_call_function_lock); -int __init __cpu_up(unsigned int cpu) +int __cpuinit __cpu_up(unsigned int cpu) { struct task_struct *idle; pgd_t *pgd; @@ -159,7 +159,7 @@ int __init __cpu_up(unsigned int cpu) * This is the secondary CPU boot entry. We're using this CPUs * idle thread stack, but a set of temporary page tables. */ -asmlinkage void __init secondary_start_kernel(void) +asmlinkage void __cpuinit secondary_start_kernel(void) { struct mm_struct *mm = &init_mm; unsigned int cpu = smp_processor_id(); @@ -176,6 +176,7 @@ asmlinkage void __init secondary_start_kernel(void) cpu_set(cpu, mm->cpu_vm_mask); cpu_switch_mm(mm->pgd, mm); enter_lazy_tlb(mm, current); + local_flush_tlb_all(); cpu_init(); @@ -209,7 +210,7 @@ asmlinkage void __init secondary_start_kernel(void) * Called by both boot and secondaries to move global data into * per-processor storage. */ -void __init smp_store_cpu_info(unsigned int cpuid) +void __cpuinit smp_store_cpu_info(unsigned int cpuid) { struct cpuinfo_arm *cpu_info = &per_cpu(cpu_data, cpuid); @@ -235,7 +236,8 @@ void __init smp_prepare_boot_cpu(void) { unsigned int cpu = smp_processor_id(); - cpu_set(cpu, cpu_present_mask); + cpu_set(cpu, cpu_possible_map); + cpu_set(cpu, cpu_present_map); cpu_set(cpu, cpu_online_map); } @@ -355,7 +357,7 @@ void show_ipi_list(struct seq_file *p) seq_puts(p, "IPI:"); - for_each_online_cpu(cpu) + for_each_present_cpu(cpu) seq_printf(p, " %10lu", per_cpu(ipi_data, cpu).ipi_count); seq_putc(p, '\n'); diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c index df2cb06ce42..d571c37ac30 100644 --- a/arch/arm/kernel/traps.c +++ b/arch/arm/kernel/traps.c @@ -248,16 +248,20 @@ static DEFINE_SPINLOCK(undef_lock); void register_undef_hook(struct undef_hook *hook) { - spin_lock_irq(&undef_lock); + unsigned long flags; + + spin_lock_irqsave(&undef_lock, flags); list_add(&hook->node, &undef_hook); - spin_unlock_irq(&undef_lock); + spin_unlock_irqrestore(&undef_lock, flags); } void unregister_undef_hook(struct undef_hook *hook) { - spin_lock_irq(&undef_lock); + unsigned long flags; + + spin_lock_irqsave(&undef_lock, flags); list_del(&hook->node); - spin_unlock_irq(&undef_lock); + spin_unlock_irqrestore(&undef_lock, flags); } asmlinkage void do_undefinstr(struct pt_regs *regs) diff --git a/arch/arm/lib/bitops.h b/arch/arm/lib/bitops.h index 4a83ab6cd56..2036ff15bda 100644 --- a/arch/arm/lib/bitops.h +++ b/arch/arm/lib/bitops.h @@ -1,3 +1,33 @@ +#if __LINUX_ARM_ARCH__ >= 6 + .macro bitop, instr + mov r2, #1 + and r3, r0, #7 @ Get bit offset + add r1, r1, r0, lsr #3 @ Get byte offset + mov r3, r2, lsl r3 +1: ldrexb r2, [r1] + \instr r2, r2, r3 + strexb r0, r2, [r1] + cmp r0, #0 + bne 1b + mov pc, lr + .endm + + .macro testop, instr, store + and r3, r0, #7 @ Get bit offset + mov r2, #1 + add r1, r1, r0, lsr #3 @ Get byte offset + mov r3, r2, lsl r3 @ create mask +1: ldrexb r2, [r1] + ands r0, r2, r3 @ save old value of bit + \instr r2, r2, r3 @ toggle bit + strexb ip, r2, [r1] + cmp ip, #0 + bne 1b + cmp r0, #0 + movne r0, #1 +2: mov pc, lr + .endm +#else .macro bitop, instr and r2, r0, #7 mov r3, #1 @@ -31,3 +61,4 @@ moveq r0, #0 mov pc, lr .endm +#endif diff --git a/arch/arm/lib/io-shark.c b/arch/arm/lib/io-shark.c index 108d4573e97..824253948f5 100644 --- a/arch/arm/lib/io-shark.c +++ b/arch/arm/lib/io-shark.c @@ -11,73 +11,3 @@ * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ -#include <linux/kernel.h> - -#include <asm/io.h> - -void print_warning(void) -{ - printk(KERN_WARNING "ins?/outs? not implemented on this architecture\n"); -} - -void insl(unsigned int port, void *to, int len) -{ - print_warning(); -} - -void insb(unsigned int port, void *to, int len) -{ - print_warning(); -} - -void outsl(unsigned int port, const void *from, int len) -{ - print_warning(); -} - -void outsb(unsigned int port, const void *from, int len) -{ - print_warning(); -} - -/* these should be in assembler again */ - -/* - * Purpose: read a block of data from a hardware register to memory. - * Proto : insw(int from_port, void *to, int len_in_words); - * Proto : inswb(int from_port, void *to, int len_in_bytes); - * Notes : increment to - */ - -void insw(unsigned int port, void *to, int len) -{ - int i; - - for (i = 0; i < len; i++) - ((unsigned short *) to)[i] = inw(port); -} - -void inswb(unsigned int port, void *to, int len) -{ - insw(port, to, len >> 2); -} - -/* - * Purpose: write a block of data from memory to a hardware register. - * Proto : outsw(int to_reg, void *from, int len_in_words); - * Proto : outswb(int to_reg, void *from, int len_in_bytes); - * Notes : increments from - */ - -void outsw(unsigned int port, const void *from, int len) -{ - int i; - - for (i = 0; i < len; i++) - outw(((unsigned short *) from)[i], port); -} - -void outswb(unsigned int port, const void *from, int len) -{ - outsw(port, from, len >> 2); -} diff --git a/arch/arm/mach-integrator/platsmp.c b/arch/arm/mach-integrator/platsmp.c index ead15dfcb53..ea10bd8c972 100644 --- a/arch/arm/mach-integrator/platsmp.c +++ b/arch/arm/mach-integrator/platsmp.c @@ -15,6 +15,7 @@ #include <linux/mm.h> #include <asm/atomic.h> +#include <asm/cacheflush.h> #include <asm/delay.h> #include <asm/mmu_context.h> #include <asm/procinfo.h> @@ -27,12 +28,12 @@ extern void integrator_secondary_startup(void); * control for which core is the next to come out of the secondary * boot "holding pen" */ -volatile int __initdata pen_release = -1; -unsigned long __initdata phys_pen_release = 0; +volatile int __cpuinitdata pen_release = -1; +unsigned long __cpuinitdata phys_pen_release = 0; static DEFINE_SPINLOCK(boot_lock); -void __init platform_secondary_init(unsigned int cpu) +void __cpuinit platform_secondary_init(unsigned int cpu) { /* * the primary core may have used a "cross call" soft interrupt @@ -61,7 +62,7 @@ void __init platform_secondary_init(unsigned int cpu) spin_unlock(&boot_lock); } -int __init boot_secondary(unsigned int cpu, struct task_struct *idle) +int __cpuinit boot_secondary(unsigned int cpu, struct task_struct *idle) { unsigned long timeout; @@ -80,6 +81,7 @@ int __init boot_secondary(unsigned int cpu, struct task_struct *idle) * "cpu" is Linux's internal ID. */ pen_release = cpu; + flush_cache_all(); /* * XXX @@ -174,11 +176,13 @@ void __init smp_prepare_cpus(unsigned int max_cpus) max_cpus = ncores; /* - * Initialise the present mask - this tells us which CPUs should - * be present. + * Initialise the possible/present maps. + * cpu_possible_map describes the set of CPUs which may be present + * cpu_present_map describes the set of CPUs populated */ for (i = 0; i < max_cpus; i++) { - cpu_set(i, cpu_present_mask); + cpu_set(i, cpu_possible_map); + cpu_set(i, cpu_present_map); } /* diff --git a/arch/arm/mach-omap1/leds-h2p2-debug.c b/arch/arm/mach-omap1/leds-h2p2-debug.c index 6e98290cca5..ec0d8285f24 100644 --- a/arch/arm/mach-omap1/leds-h2p2-debug.c +++ b/arch/arm/mach-omap1/leds-h2p2-debug.c @@ -13,7 +13,6 @@ #include <linux/init.h> #include <linux/kernel_stat.h> #include <linux/sched.h> -#include <linux/version.h> #include <asm/io.h> #include <asm/hardware.h> diff --git a/arch/arm/mach-s3c2410/Makefile b/arch/arm/mach-s3c2410/Makefile index f99b689e439..55ed7c7e57d 100644 --- a/arch/arm/mach-s3c2410/Makefile +++ b/arch/arm/mach-s3c2410/Makefile @@ -23,6 +23,8 @@ obj-$(CONFIG_PM_SIMTEC) += pm-simtec.o # S3C2440 support obj-$(CONFIG_CPU_S3C2440) += s3c2440.o s3c2440-dsc.o +obj-$(CONFIG_CPU_S3C2440) += s3c2440-irq.o +obj-$(CONFIG_CPU_S3C2440) += s3c2440-clock.o # machine specific support diff --git a/arch/arm/mach-s3c2410/clock.c b/arch/arm/mach-s3c2410/clock.c index 8d986b8401c..9a66050e887 100644 --- a/arch/arm/mach-s3c2410/clock.c +++ b/arch/arm/mach-s3c2410/clock.c @@ -448,60 +448,3 @@ int __init s3c24xx_setup_clocks(unsigned long xtal, return 0; } - -/* S3C2440 extended clock support */ - -#ifdef CONFIG_CPU_S3C2440 - -static struct clk s3c2440_clk_upll = { - .name = "upll", - .id = -1, -}; - -static struct clk s3c2440_clk_cam = { - .name = "camif", - .parent = &clk_h, - .id = -1, - .enable = s3c24xx_clkcon_enable, - .ctrlbit = S3C2440_CLKCON_CAMERA, -}; - -static struct clk s3c2440_clk_ac97 = { - .name = "ac97", - .parent = &clk_p, - .id = -1, - .enable = s3c24xx_clkcon_enable, - .ctrlbit = S3C2440_CLKCON_CAMERA, -}; - -static int s3c2440_clk_add(struct sys_device *sysdev) -{ - unsigned long upllcon = __raw_readl(S3C2410_UPLLCON); - - s3c2440_clk_upll.rate = s3c2410_get_pll(upllcon, clk_xtal.rate); - - printk("S3C2440: Clock Support, UPLL %ld.%03ld MHz\n", - print_mhz(s3c2440_clk_upll.rate)); - - s3c24xx_register_clock(&s3c2440_clk_ac97); - s3c24xx_register_clock(&s3c2440_clk_cam); - s3c24xx_register_clock(&s3c2440_clk_upll); - - clk_disable(&s3c2440_clk_ac97); - clk_disable(&s3c2440_clk_cam); - - return 0; -} - -static struct sysdev_driver s3c2440_clk_driver = { - .add = s3c2440_clk_add, -}; - -static int s3c24xx_clk_driver(void) -{ - return sysdev_driver_register(&s3c2440_sysclass, &s3c2440_clk_driver); -} - -arch_initcall(s3c24xx_clk_driver); - -#endif /* CONFIG_CPU_S3C2440 */ diff --git a/arch/arm/mach-s3c2410/dma.c b/arch/arm/mach-s3c2410/dma.c index c7c28890d40..65feaf20d23 100644 --- a/arch/arm/mach-s3c2410/dma.c +++ b/arch/arm/mach-s3c2410/dma.c @@ -436,7 +436,7 @@ int s3c2410_dma_enqueue(unsigned int channel, void *id, buf = kmem_cache_alloc(dma_kmem, GFP_ATOMIC); if (buf == NULL) { - pr_debug("%s: out of memory (%d alloc)\n", + pr_debug("%s: out of memory (%ld alloc)\n", __FUNCTION__, sizeof(*buf)); return -ENOMEM; } diff --git a/arch/arm/mach-s3c2410/irq.c b/arch/arm/mach-s3c2410/irq.c index cf9f46d8806..973a5fe6769 100644 --- a/arch/arm/mach-s3c2410/irq.c +++ b/arch/arm/mach-s3c2410/irq.c @@ -45,6 +45,9 @@ * * 28-Jun-2005 Ben Dooks * Mark IRQ_LCD valid + * + * 25-Jul-2005 Ben Dooks + * Split the S3C2440 IRQ code to seperate file */ #include <linux/init.h> @@ -65,11 +68,7 @@ #include "cpu.h" #include "pm.h" - -#define irqdbf(x...) -#define irqdbf2(x...) - -#define EXTINT_OFF (IRQ_EINT4 - 4) +#include "irq.h" /* wakeup irq control */ @@ -181,7 +180,7 @@ s3c_irq_unmask(unsigned int irqno) __raw_writel(mask, S3C2410_INTMSK); } -static struct irqchip s3c_irq_level_chip = { +struct irqchip s3c_irq_level_chip = { .ack = s3c_irq_maskack, .mask = s3c_irq_mask, .unmask = s3c_irq_unmask, @@ -370,84 +369,6 @@ static struct irqchip s3c_irq_eint0t4 = { #define INTMSK_UART2 (1UL << (IRQ_UART2 - IRQ_EINT0)) #define INTMSK_ADCPARENT (1UL << (IRQ_ADCPARENT - IRQ_EINT0)) -static inline void -s3c_irqsub_mask(unsigned int irqno, unsigned int parentbit, - int subcheck) -{ - unsigned long mask; - unsigned long submask; - - submask = __raw_readl(S3C2410_INTSUBMSK); - mask = __raw_readl(S3C2410_INTMSK); - - submask |= (1UL << (irqno - IRQ_S3CUART_RX0)); - - /* check to see if we need to mask the parent IRQ */ - - if ((submask & subcheck) == subcheck) { - __raw_writel(mask | parentbit, S3C2410_INTMSK); - } - - /* write back masks */ - __raw_writel(submask, S3C2410_INTSUBMSK); - -} - -static inline void -s3c_irqsub_unmask(unsigned int irqno, unsigned int parentbit) -{ - unsigned long mask; - unsigned long submask; - - submask = __raw_readl(S3C2410_INTSUBMSK); - mask = __raw_readl(S3C2410_INTMSK); - - submask &= ~(1UL << (irqno - IRQ_S3CUART_RX0)); - mask &= ~parentbit; - - /* write back masks */ - __raw_writel(submask, S3C2410_INTSUBMSK); - __raw_writel(mask, S3C2410_INTMSK); -} - - -static inline void -s3c_irqsub_maskack(unsigned int irqno, unsigned int parentmask, unsigned int group) -{ - unsigned int bit = 1UL << (irqno - IRQ_S3CUART_RX0); - - s3c_irqsub_mask(irqno, parentmask, group); - - __raw_writel(bit, S3C2410_SUBSRCPND); - - /* only ack parent if we've got all the irqs (seems we must - * ack, all and hope that the irq system retriggers ok when - * the interrupt goes off again) - */ - - if (1) { - __raw_writel(parentmask, S3C2410_SRCPND); - __raw_writel(parentmask, S3C2410_INTPND); - } -} - -static inline void -s3c_irqsub_ack(unsigned int irqno, unsigned int parentmask, unsigned int group) -{ - unsigned int bit = 1UL << (irqno - IRQ_S3CUART_RX0); - - __raw_writel(bit, S3C2410_SUBSRCPND); - - /* only ack parent if we've got all the irqs (seems we must - * ack, all and hope that the irq system retriggers ok when - * the interrupt goes off again) - */ - - if (1) { - __raw_writel(parentmask, S3C2410_SRCPND); - __raw_writel(parentmask, S3C2410_INTPND); - } -} /* UART0 */ @@ -794,174 +715,3 @@ void __init s3c24xx_init_irq(void) irqdbf("s3c2410: registered interrupt handlers\n"); } - -/* s3c2440 irq code -*/ - -#ifdef CONFIG_CPU_S3C2440 - -/* WDT/AC97 */ - -static void s3c_irq_demux_wdtac97(unsigned int irq, - struct irqdesc *desc, - struct pt_regs *regs) -{ - unsigned int subsrc, submsk; - struct irqdesc *mydesc; - - /* read the current pending interrupts, and the mask - * for what it is available */ - - subsrc = __raw_readl(S3C2410_SUBSRCPND); - submsk = __raw_readl(S3C2410_INTSUBMSK); - - subsrc &= ~submsk; - subsrc >>= 13; - subsrc &= 3; - - if (subsrc != 0) { - if (subsrc & 1) { - mydesc = irq_desc + IRQ_S3C2440_WDT; - mydesc->handle( IRQ_S3C2440_WDT, mydesc, regs); - } - if (subsrc & 2) { - mydesc = irq_desc + IRQ_S3C2440_AC97; - mydesc->handle(IRQ_S3C2440_AC97, mydesc, regs); - } - } -} - - -#define INTMSK_WDT (1UL << (IRQ_WDT - IRQ_EINT0)) - -static void -s3c_irq_wdtac97_mask(unsigned int irqno) -{ - s3c_irqsub_mask(irqno, INTMSK_WDT, 3<<13); -} - -static void -s3c_irq_wdtac97_unmask(unsigned int irqno) -{ - s3c_irqsub_unmask(irqno, INTMSK_WDT); -} - -static void -s3c_irq_wdtac97_ack(unsigned int irqno) -{ - s3c_irqsub_maskack(irqno, INTMSK_WDT, 3<<13); -} - -static struct irqchip s3c_irq_wdtac97 = { - .mask = s3c_irq_wdtac97_mask, - .unmask = s3c_irq_wdtac97_unmask, - .ack = s3c_irq_wdtac97_ack, -}; - -/* camera irq */ - -static void s3c_irq_demux_cam(unsigned int irq, - struct irqdesc *desc, - struct pt_regs *regs) -{ - unsigned int subsrc, submsk; - struct irqdesc *mydesc; - - /* read the current pending interrupts, and the mask - * for what it is available */ - - subsrc = __raw_readl(S3C2410_SUBSRCPND); - submsk = __raw_readl(S3C2410_INTSUBMSK); - - subsrc &= ~submsk; - subsrc >>= 11; - subsrc &= 3; - - if (subsrc != 0) { - if (subsrc & 1) { - mydesc = irq_desc + IRQ_S3C2440_CAM_C; - mydesc->handle( IRQ_S3C2440_WDT, mydesc, regs); - } - if (subsrc & 2) { - mydesc = irq_desc + IRQ_S3C2440_CAM_P; - mydesc->handle(IRQ_S3C2440_AC97, mydesc, regs); - } - } -} - -#define INTMSK_CAM (1UL << (IRQ_CAM - IRQ_EINT0)) - -static void -s3c_irq_cam_mask(unsigned int irqno) -{ - s3c_irqsub_mask(irqno, INTMSK_CAM, 3<<11); -} - -static void -s3c_irq_cam_unmask(unsigned int irqno) -{ - s3c_irqsub_unmask(irqno, INTMSK_CAM); -} - -static void -s3c_irq_cam_ack(unsigned int irqno) -{ - s3c_irqsub_maskack(irqno, INTMSK_CAM, 3<<11); -} - -static struct irqchip s3c_irq_cam = { - .mask = s3c_irq_cam_mask, - .unmask = s3c_irq_cam_unmask, - .ack = s3c_irq_cam_ack, -}; - -static int s3c2440_irq_add(struct sys_device *sysdev) -{ - unsigned int irqno; - - printk("S3C2440: IRQ Support\n"); - - set_irq_chip(IRQ_NFCON, &s3c_irq_level_chip); - set_irq_handler(IRQ_NFCON, do_level_IRQ); - set_irq_flags(IRQ_NFCON, IRQF_VALID); - - /* add new chained handler for wdt, ac7 */ - - set_irq_chip(IRQ_WDT, &s3c_irq_level_chip); - set_irq_handler(IRQ_WDT, do_level_IRQ); - set_irq_chained_handler(IRQ_WDT, s3c_irq_demux_wdtac97); - - for (irqno = IRQ_S3C2440_WDT; irqno <= IRQ_S3C2440_AC97; irqno++) { - set_irq_chip(irqno, &s3c_irq_wdtac97); - set_irq_handler(irqno, do_level_IRQ); - set_irq_flags(irqno, IRQF_VALID); - } - - /* add chained handler for camera */ - - set_irq_chip(IRQ_CAM, &s3c_irq_level_chip); - set_irq_handler(IRQ_CAM, do_level_IRQ); - set_irq_chained_handler(IRQ_CAM, s3c_irq_demux_cam); - - for (irqno = IRQ_S3C2440_CAM_C; irqno <= IRQ_S3C2440_CAM_P; irqno++) { - set_irq_chip(irqno, &s3c_irq_cam); - set_irq_handler(irqno, do_level_IRQ); - set_irq_flags(irqno, IRQF_VALID); - } - - return 0; -} - -static struct sysdev_driver s3c2440_irq_driver = { - .add = s3c2440_irq_add, -}; - -static int s3c24xx_irq_driver(void) -{ - return sysdev_driver_register(&s3c2440_sysclass, &s3c2440_irq_driver); -} - -arch_initcall(s3c24xx_irq_driver); - -#endif /* CONFIG_CPU_S3C2440 */ - diff --git a/arch/arm/mach-s3c2410/irq.h b/arch/arm/mach-s3c2410/irq.h new file mode 100644 index 00000000000..4abf0ca14e0 --- /dev/null +++ b/arch/arm/mach-s3c2410/irq.h @@ -0,0 +1,99 @@ +/* arch/arm/mach-s3c2410/irq.h + * + * Copyright (c) 2004-2005 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * + * Header file for S3C24XX CPU IRQ support + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * Modifications: +*/ + +#define irqdbf(x...) +#define irqdbf2(x...) + +#define EXTINT_OFF (IRQ_EINT4 - 4) + +extern struct irqchip s3c_irq_level_chip; + +static inline void +s3c_irqsub_mask(unsigned int irqno, unsigned int parentbit, + int subcheck) +{ + unsigned long mask; + unsigned long submask; + + submask = __raw_readl(S3C2410_INTSUBMSK); + mask = __raw_readl(S3C2410_INTMSK); + + submask |= (1UL << (irqno - IRQ_S3CUART_RX0)); + + /* check to see if we need to mask the parent IRQ */ + + if ((submask & subcheck) == subcheck) { + __raw_writel(mask | parentbit, S3C2410_INTMSK); + } + + /* write back masks */ + __raw_writel(submask, S3C2410_INTSUBMSK); + +} + +static inline void +s3c_irqsub_unmask(unsigned int irqno, unsigned int parentbit) +{ + unsigned long mask; + unsigned long submask; + + submask = __raw_readl(S3C2410_INTSUBMSK); + mask = __raw_readl(S3C2410_INTMSK); + + submask &= ~(1UL << (irqno - IRQ_S3CUART_RX0)); + mask &= ~parentbit; + + /* write back masks */ + __raw_writel(submask, S3C2410_INTSUBMSK); + __raw_writel(mask, S3C2410_INTMSK); +} + + +static inline void +s3c_irqsub_maskack(unsigned int irqno, unsigned int parentmask, unsigned int group) +{ + unsigned int bit = 1UL << (irqno - IRQ_S3CUART_RX0); + + s3c_irqsub_mask(irqno, parentmask, group); + + __raw_writel(bit, S3C2410_SUBSRCPND); + + /* only ack parent if we've got all the irqs (seems we must + * ack, all and hope that the irq system retriggers ok when + * the interrupt goes off again) + */ + + if (1) { + __raw_writel(parentmask, S3C2410_SRCPND); + __raw_writel(parentmask, S3C2410_INTPND); + } +} + +static inline void +s3c_irqsub_ack(unsigned int irqno, unsigned int parentmask, unsigned int group) +{ + unsigned int bit = 1UL << (irqno - IRQ_S3CUART_RX0); + + __raw_writel(bit, S3C2410_SUBSRCPND); + + /* only ack parent if we've got all the irqs (seems we must + * ack, all and hope that the irq system retriggers ok when + * the interrupt goes off again) + */ + + if (1) { + __raw_writel(parentmask, S3C2410_SRCPND); + __raw_writel(parentmask, S3C2410_INTPND); + } +} diff --git a/arch/arm/mach-s3c2410/mach-bast.c b/arch/arm/mach-s3c2410/mach-bast.c index ccb6bcefa46..1e7f343822d 100644 --- a/arch/arm/mach-s3c2410/mach-bast.c +++ b/arch/arm/mach-s3c2410/mach-bast.c @@ -25,9 +25,11 @@ * 14-Jan-2005 BJD Add support for muitlple NAND devices * 03-Mar-2005 BJD Ensured that bast-cpld.h is included * 10-Mar-2005 LCVR Changed S3C2410_VA to S3C24XX_VA - * 14-Mar-2006 BJD Updated for __iomem changes - * 22-Jun-2006 BJD Added DM9000 platform information - * 28-Jun-2006 BJD Moved pm functionality out to common code + * 14-Mar-2005 BJD Updated for __iomem changes + * 22-Jun-2005 BJD Added DM9000 platform information + * 28-Jun-2005 BJD Moved pm functionality out to common code + * 17-Jul-2005 BJD Changed to platform device for SuperIO 16550s + * 25-Jul-2005 BJD Removed ASIX static mappings */ #include <linux/kernel.h> @@ -64,6 +66,8 @@ #include <linux/mtd/nand_ecc.h> #include <linux/mtd/partitions.h> +#include <linux/serial_8250.h> + #include "clock.h" #include "devs.h" #include "cpu.h" @@ -113,7 +117,6 @@ static struct map_desc bast_iodesc[] __initdata = { /* slow, byte */ { VA_C2(BAST_VA_ISAIO), PA_CS2(BAST_PA_ISAIO), SZ_16M, MT_DEVICE }, { VA_C2(BAST_VA_ISAMEM), PA_CS2(BAST_PA_ISAMEM), SZ_16M, MT_DEVICE }, - { VA_C2(BAST_VA_ASIXNET), PA_CS3(BAST_PA_ASIXNET), SZ_1M, MT_DEVICE }, { VA_C2(BAST_VA_SUPERIO), PA_CS2(BAST_PA_SUPERIO), SZ_1M, MT_DEVICE }, { VA_C2(BAST_VA_IDEPRI), PA_CS3(BAST_PA_IDEPRI), SZ_1M, MT_DEVICE }, { VA_C2(BAST_VA_IDESEC), PA_CS3(BAST_PA_IDESEC), SZ_1M, MT_DEVICE }, @@ -123,7 +126,6 @@ static struct map_desc bast_iodesc[] __initdata = { /* slow, word */ { VA_C3(BAST_VA_ISAIO), PA_CS3(BAST_PA_ISAIO), SZ_16M, MT_DEVICE }, { VA_C3(BAST_VA_ISAMEM), PA_CS3(BAST_PA_ISAMEM), SZ_16M, MT_DEVICE }, - { VA_C3(BAST_VA_ASIXNET), PA_CS3(BAST_PA_ASIXNET), SZ_1M, MT_DEVICE }, { VA_C3(BAST_VA_SUPERIO), PA_CS3(BAST_PA_SUPERIO), SZ_1M, MT_DEVICE }, { VA_C3(BAST_VA_IDEPRI), PA_CS3(BAST_PA_IDEPRI), SZ_1M, MT_DEVICE }, { VA_C3(BAST_VA_IDESEC), PA_CS3(BAST_PA_IDESEC), SZ_1M, MT_DEVICE }, @@ -133,7 +135,6 @@ static struct map_desc bast_iodesc[] __initdata = { /* fast, byte */ { VA_C4(BAST_VA_ISAIO), PA_CS4(BAST_PA_ISAIO), SZ_16M, MT_DEVICE }, { VA_C4(BAST_VA_ISAMEM), PA_CS4(BAST_PA_ISAMEM), SZ_16M, MT_DEVICE }, - { VA_C4(BAST_VA_ASIXNET), PA_CS5(BAST_PA_ASIXNET), SZ_1M, MT_DEVICE }, { VA_C4(BAST_VA_SUPERIO), PA_CS4(BAST_PA_SUPERIO), SZ_1M, MT_DEVICE }, { VA_C4(BAST_VA_IDEPRI), PA_CS5(BAST_PA_IDEPRI), SZ_1M, MT_DEVICE }, { VA_C4(BAST_VA_IDESEC), PA_CS5(BAST_PA_IDESEC), SZ_1M, MT_DEVICE }, @@ -143,7 +144,6 @@ static struct map_desc bast_iodesc[] __initdata = { /* fast, word */ { VA_C5(BAST_VA_ISAIO), PA_CS5(BAST_PA_ISAIO), SZ_16M, MT_DEVICE }, { VA_C5(BAST_VA_ISAMEM), PA_CS5(BAST_PA_ISAMEM), SZ_16M, MT_DEVICE }, - { VA_C5(BAST_VA_ASIXNET), PA_CS5(BAST_PA_ASIXNET), SZ_1M, MT_DEVICE }, { VA_C5(BAST_VA_SUPERIO), PA_CS5(BAST_PA_SUPERIO), SZ_1M, MT_DEVICE }, { VA_C5(BAST_VA_IDEPRI), PA_CS5(BAST_PA_IDEPRI), SZ_1M, MT_DEVICE }, { VA_C5(BAST_VA_IDESEC), PA_CS5(BAST_PA_IDESEC), SZ_1M, MT_DEVICE }, @@ -351,6 +351,39 @@ static struct platform_device bast_device_dm9k = { } }; +/* serial devices */ + +#define SERIAL_BASE (S3C2410_CS2 + BAST_PA_SUPERIO) +#define SERIAL_FLAGS (UPF_BOOT_AUTOCONF | UPF_IOREMAP | UPF_SHARE_IRQ) +#define SERIAL_CLK (1843200) + +static struct plat_serial8250_port bast_sio_data[] = { + [0] = { + .mapbase = SERIAL_BASE + 0x2f8, + .irq = IRQ_PCSERIAL1, + .flags = SERIAL_FLAGS, + .iotype = UPIO_MEM, + .regshift = 0, + .uartclk = SERIAL_CLK, + }, + [1] = { + .mapbase = SERIAL_BASE + 0x3f8, + .irq = IRQ_PCSERIAL2, + .flags = SERIAL_FLAGS, + .iotype = UPIO_MEM, + .regshift = 0, + .uartclk = SERIAL_CLK, + }, + { } +}; + +static struct platform_device bast_sio = { + .name = "serial8250", + .id = 0, + .dev = { + .platform_data = &bast_sio_data, + }, +}; /* Standard BAST devices */ @@ -364,6 +397,7 @@ static struct platform_device *bast_devices[] __initdata = { &s3c_device_nand, &bast_device_nor, &bast_device_dm9k, + &bast_sio, }; static struct clk *bast_clocks[] = { diff --git a/arch/arm/mach-s3c2410/s3c2440-clock.c b/arch/arm/mach-s3c2410/s3c2440-clock.c new file mode 100644 index 00000000000..b018a1f680c --- /dev/null +++ b/arch/arm/mach-s3c2410/s3c2440-clock.c @@ -0,0 +1,116 @@ +/* linux/arch/arm/mach-s3c2410/s3c2440-clock.c + * + * Copyright (c) 2004-2005 Simtec Electronics + * http://armlinux.simtec.co.uk/ + * Ben Dooks <ben@simtec.co.uk> + * + * S3C2440 Clock support + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +*/ + +#include <linux/init.h> +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/list.h> +#include <linux/errno.h> +#include <linux/err.h> +#include <linux/device.h> +#include <linux/sysdev.h> + +#include <linux/interrupt.h> +#include <linux/ioport.h> + +#include <asm/hardware.h> +#include <asm/atomic.h> +#include <asm/irq.h> +#include <asm/io.h> + +#include <asm/hardware/clock.h> +#include <asm/arch/regs-clock.h> + +#include "clock.h" +#include "cpu.h" + +/* S3C2440 extended clock support */ + +static struct clk s3c2440_clk_upll = { + .name = "upll", + .id = -1, +}; + +static struct clk s3c2440_clk_cam = { + .name = "camif", + .id = -1, + .enable = s3c24xx_clkcon_enable, + .ctrlbit = S3C2440_CLKCON_CAMERA, +}; + +static struct clk s3c2440_clk_ac97 = { + .name = "ac97", + .id = -1, + .enable = s3c24xx_clkcon_enable, + .ctrlbit = S3C2440_CLKCON_CAMERA, +}; + +static int s3c2440_clk_add(struct sys_device *sysdev) +{ + unsigned long upllcon = __raw_readl(S3C2410_UPLLCON); + struct clk *clk_h; + struct clk *clk_p; + struct clk *clk_xtal; + + clk_xtal = clk_get(NULL, "xtal"); + if (IS_ERR(clk_xtal)) { + printk(KERN_ERR "S3C2440: Failed to get clk_xtal\n"); + return -EINVAL; + } + + s3c2440_clk_upll.rate = s3c2410_get_pll(upllcon, clk_xtal->rate); + + printk("S3C2440: Clock Support, UPLL %ld.%03ld MHz\n", + print_mhz(s3c2440_clk_upll.rate)); + + clk_p = clk_get(NULL, "pclk"); + clk_h = clk_get(NULL, "hclk"); + + if (IS_ERR(clk_p) || IS_ERR(clk_h)) { + printk(KERN_ERR "S3C2440: Failed to get parent clocks\n"); + return -EINVAL; + } + + s3c2440_clk_cam.parent = clk_h; + s3c2440_clk_ac97.parent = clk_p; + + s3c24xx_register_clock(&s3c2440_clk_ac97); + s3c24xx_register_clock(&s3c2440_clk_cam); + s3c24xx_register_clock(&s3c2440_clk_upll); + + clk_disable(&s3c2440_clk_ac97); + clk_disable(&s3c2440_clk_cam); + + return 0; +} + +static struct sysdev_driver s3c2440_clk_driver = { + .add = s3c2440_clk_add, +}; + +static __init int s3c24xx_clk_driver(void) +{ + return sysdev_driver_register(&s3c2440_sysclass, &s3c2440_clk_driver); +} + +arch_initcall(s3c24xx_clk_driver); diff --git a/arch/arm/mach-s3c2410/s3c2440-irq.c b/arch/arm/mach-s3c2410/s3c2440-irq.c new file mode 100644 index 00000000000..7cb9912242a --- /dev/null +++ b/arch/arm/mach-s3c2410/s3c2440-irq.c @@ -0,0 +1,207 @@ +/* linux/arch/arm/mach-s3c2410/s3c2440-irq.c + * + * Copyright (c) 2003,2004 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * Changelog: + * 25-Jul-2005 BJD Split from irq.c + * +*/ + +#include <linux/init.h> +#include <linux/module.h> +#include <linux/interrupt.h> +#include <linux/ioport.h> +#include <linux/ptrace.h> +#include <linux/sysdev.h> + +#include <asm/hardware.h> +#include <asm/irq.h> +#include <asm/io.h> + +#include <asm/mach/irq.h> + +#include <asm/arch/regs-irq.h> +#include <asm/arch/regs-gpio.h> + +#include "cpu.h" +#include "pm.h" +#include "irq.h" + +/* WDT/AC97 */ + +static void s3c_irq_demux_wdtac97(unsigned int irq, + struct irqdesc *desc, + struct pt_regs *regs) +{ + unsigned int subsrc, submsk; + struct irqdesc *mydesc; + + /* read the current pending interrupts, and the mask + * for what it is available */ + + subsrc = __raw_readl(S3C2410_SUBSRCPND); + submsk = __raw_readl(S3C2410_INTSUBMSK); + + subsrc &= ~submsk; + subsrc >>= 13; + subsrc &= 3; + + if (subsrc != 0) { + if (subsrc & 1) { + mydesc = irq_desc + IRQ_S3C2440_WDT; + mydesc->handle( IRQ_S3C2440_WDT, mydesc, regs); + } + if (subsrc & 2) { + mydesc = irq_desc + IRQ_S3C2440_AC97; + mydesc->handle(IRQ_S3C2440_AC97, mydesc, regs); + } + } +} + + +#define INTMSK_WDT (1UL << (IRQ_WDT - IRQ_EINT0)) + +static void +s3c_irq_wdtac97_mask(unsigned int irqno) +{ + s3c_irqsub_mask(irqno, INTMSK_WDT, 3<<13); +} + +static void +s3c_irq_wdtac97_unmask(unsigned int irqno) +{ + s3c_irqsub_unmask(irqno, INTMSK_WDT); +} + +static void +s3c_irq_wdtac97_ack(unsigned int irqno) +{ + s3c_irqsub_maskack(irqno, INTMSK_WDT, 3<<13); +} + +static struct irqchip s3c_irq_wdtac97 = { + .mask = s3c_irq_wdtac97_mask, + .unmask = s3c_irq_wdtac97_unmask, + .ack = s3c_irq_wdtac97_ack, +}; + +/* camera irq */ + +static void s3c_irq_demux_cam(unsigned int irq, + struct irqdesc *desc, + struct pt_regs *regs) +{ + unsigned int subsrc, submsk; + struct irqdesc *mydesc; + + /* read the current pending interrupts, and the mask + * for what it is available */ + + subsrc = __raw_readl(S3C2410_SUBSRCPND); + submsk = __raw_readl(S3C2410_INTSUBMSK); + + subsrc &= ~submsk; + subsrc >>= 11; + subsrc &= 3; + + if (subsrc != 0) { + if (subsrc & 1) { + mydesc = irq_desc + IRQ_S3C2440_CAM_C; + mydesc->handle( IRQ_S3C2440_WDT, mydesc, regs); + } + if (subsrc & 2) { + mydesc = irq_desc + IRQ_S3C2440_CAM_P; + mydesc->handle(IRQ_S3C2440_AC97, mydesc, regs); + } + } +} + +#define INTMSK_CAM (1UL << (IRQ_CAM - IRQ_EINT0)) + +static void +s3c_irq_cam_mask(unsigned int irqno) +{ + s3c_irqsub_mask(irqno, INTMSK_CAM, 3<<11); +} + +static void +s3c_irq_cam_unmask(unsigned int irqno) +{ + s3c_irqsub_unmask(irqno, INTMSK_CAM); +} + +static void +s3c_irq_cam_ack(unsigned int irqno) +{ + s3c_irqsub_maskack(irqno, INTMSK_CAM, 3<<11); +} + +static struct irqchip s3c_irq_cam = { + .mask = s3c_irq_cam_mask, + .unmask = s3c_irq_cam_unmask, + .ack = s3c_irq_cam_ack, +}; + +static int s3c2440_irq_add(struct sys_device *sysdev) +{ + unsigned int irqno; + + printk("S3C2440: IRQ Support\n"); + + set_irq_chip(IRQ_NFCON, &s3c_irq_level_chip); + set_irq_handler(IRQ_NFCON, do_level_IRQ); + set_irq_flags(IRQ_NFCON, IRQF_VALID); + + /* add new chained handler for wdt, ac7 */ + + set_irq_chip(IRQ_WDT, &s3c_irq_level_chip); + set_irq_handler(IRQ_WDT, do_level_IRQ); + set_irq_chained_handler(IRQ_WDT, s3c_irq_demux_wdtac97); + + for (irqno = IRQ_S3C2440_WDT; irqno <= IRQ_S3C2440_AC97; irqno++) { + set_irq_chip(irqno, &s3c_irq_wdtac97); + set_irq_handler(irqno, do_level_IRQ); + set_irq_flags(irqno, IRQF_VALID); + } + + /* add chained handler for camera */ + + set_irq_chip(IRQ_CAM, &s3c_irq_level_chip); + set_irq_handler(IRQ_CAM, do_level_IRQ); + set_irq_chained_handler(IRQ_CAM, s3c_irq_demux_cam); + + for (irqno = IRQ_S3C2440_CAM_C; irqno <= IRQ_S3C2440_CAM_P; irqno++) { + set_irq_chip(irqno, &s3c_irq_cam); + set_irq_handler(irqno, do_level_IRQ); + set_irq_flags(irqno, IRQF_VALID); + } + + return 0; +} + +static struct sysdev_driver s3c2440_irq_driver = { + .add = s3c2440_irq_add, +}; + +static int s3c24xx_irq_driver(void) +{ + return sysdev_driver_register(&s3c2440_sysclass, &s3c2440_irq_driver); +} + +arch_initcall(s3c24xx_irq_driver); + diff --git a/arch/arm/mach-shark/core.c b/arch/arm/mach-shark/core.c index 726445895b5..e737eae4521 100644 --- a/arch/arm/mach-shark/core.c +++ b/arch/arm/mach-shark/core.c @@ -24,7 +24,7 @@ static struct plat_serial8250_port serial_platform_data[] = { .iobase = 0x3f8, .irq = 4, .uartclk = 1843200, - .regshift = 2, + .regshift = 0, .iotype = UPIO_PORT, .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST, }, @@ -32,7 +32,7 @@ static struct plat_serial8250_port serial_platform_data[] = { .iobase = 0x2f8, .irq = 3, .uartclk = 1843200, - .regshift = 2, + .regshift = 0, .iotype = UPIO_PORT, .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST, }, diff --git a/arch/arm/mm/mm-armv.c b/arch/arm/mm/mm-armv.c index b19f00e99a2..e33fe4229d0 100644 --- a/arch/arm/mm/mm-armv.c +++ b/arch/arm/mm/mm-armv.c @@ -425,6 +425,9 @@ static void __init build_mem_type_table(void) mem_types[MT_ROM].prot_sect |= PMD_SECT_APX|PMD_SECT_AP_WRITE; mem_types[MT_MINICLEAN].prot_sect |= PMD_SECT_APX|PMD_SECT_AP_WRITE; mem_types[MT_CACHECLEAN].prot_sect |= PMD_SECT_APX|PMD_SECT_AP_WRITE; + + mem_types[MT_DEVICE].prot_pte |= L_PTE_BUFFERABLE; + mem_types[MT_DEVICE].prot_sect |= PMD_SECT_BUFFERED; } cp = &cache_policies[cachepolicy]; diff --git a/arch/arm/nwfpe/fpa11.h b/arch/arm/nwfpe/fpa11.h index 45cc65426a2..e4a61aea534 100644 --- a/arch/arm/nwfpe/fpa11.h +++ b/arch/arm/nwfpe/fpa11.h @@ -29,9 +29,7 @@ * stack+task struct. Use the same method as 'current' uses to * reach them. */ -register unsigned long *user_registers asm("sl"); - -#define GET_USERREG() (user_registers) +#define GET_USERREG() ((struct pt_regs *)(THREAD_START_SP + (unsigned long)current_thread_info()) - 1) #include <linux/config.h> #include <linux/thread_info.h> diff --git a/arch/arm/nwfpe/fpmodule.c b/arch/arm/nwfpe/fpmodule.c index a806fea5c3e..12885f31d34 100644 --- a/arch/arm/nwfpe/fpmodule.c +++ b/arch/arm/nwfpe/fpmodule.c @@ -24,7 +24,6 @@ #include "fpa11.h" #include <linux/module.h> -#include <linux/version.h> #include <linux/config.h> /* XXX */ @@ -133,7 +132,7 @@ void float_raise(signed char flags) printk(KERN_DEBUG "NWFPE: %s[%d] takes exception %08x at %p from %08lx\n", current->comm, current->pid, flags, - __builtin_return_address(0), GET_USERREG()[15]); + __builtin_return_address(0), GET_USERREG()->ARM_pc); #endif /* Keep SoftFloat exception flags up to date. */ diff --git a/arch/arm/nwfpe/fpmodule.inl b/arch/arm/nwfpe/fpmodule.inl index e5f59e9a302..2c39ad408f2 100644 --- a/arch/arm/nwfpe/fpmodule.inl +++ b/arch/arm/nwfpe/fpmodule.inl @@ -28,8 +28,8 @@ static inline unsigned long readRegister(const unsigned int nReg) for this in this routine. LDF/STF instructions with Rn = PC depend on the PC being correct, as they use PC+8 in their address calculations. */ - unsigned long *userRegisters = GET_USERREG(); - unsigned int val = userRegisters[nReg]; + struct pt_regs *regs = GET_USERREG(); + unsigned int val = regs->uregs[nReg]; if (REG_PC == nReg) val -= 4; return val; @@ -38,8 +38,8 @@ static inline unsigned long readRegister(const unsigned int nReg) static inline void writeRegister(const unsigned int nReg, const unsigned long val) { - unsigned long *userRegisters = GET_USERREG(); - userRegisters[nReg] = val; + struct pt_regs *regs = GET_USERREG(); + regs->uregs[nReg] = val; } static inline unsigned long readCPSR(void) @@ -63,12 +63,12 @@ static inline unsigned long readConditionCodes(void) static inline void writeConditionCodes(const unsigned long val) { - unsigned long *userRegisters = GET_USERREG(); + struct pt_regs *regs = GET_USERREG(); unsigned long rval; /* * Operate directly on userRegisters since * the CPSR may be the PC register itself. */ - rval = userRegisters[REG_CPSR] & ~CC_MASK; - userRegisters[REG_CPSR] = rval | (val & CC_MASK); + rval = regs->ARM_cpsr & ~CC_MASK; + regs->ARM_cpsr = rval | (val & CC_MASK); } diff --git a/arch/arm/plat-omap/ocpi.c b/arch/arm/plat-omap/ocpi.c index 1fb16f9edfd..2ede2ee8cae 100644 --- a/arch/arm/plat-omap/ocpi.c +++ b/arch/arm/plat-omap/ocpi.c @@ -25,7 +25,6 @@ #include <linux/config.h> #include <linux/module.h> -#include <linux/version.h> #include <linux/types.h> #include <linux/errno.h> #include <linux/kernel.h> |