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| author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-02-19 13:18:39 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-02-19 13:18:39 -0800 |
| commit | 59b8175c771040afcd4ad67022b0cc80c216b866 (patch) | |
| tree | 4ef5935bee1e342716d49b9d4b99e3fa835526e6 /arch/arm/mm/proc-v6.S | |
| parent | 920841d8d1d61bc12b43f95a579a5374f6d98f81 (diff) | |
| parent | 3b0eb4a195a124567cd0dd6f700f8388def542c6 (diff) | |
Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (117 commits)
[ARM] 4058/2: iop32x: set ->broken_parity_status on n2100 onboard r8169 ports
[ARM] 4140/1: AACI stability add ac97 timeout and retries
[ARM] 4139/1: AACI record support
[ARM] 4138/1: AACI: multiple channel support for IRQ handling
[ARM] 4211/1: Provide a defconfig for ns9xxx
[ARM] 4210/1: base for new machine type "NetSilicon NS9360"
[ARM] 4222/1: S3C2443: Remove reference to missing S3C2443_PM
[ARM] 4221/1: S3C2443: DMA support
[ARM] 4220/1: S3C24XX: DMA system initialised from sysdev
[ARM] 4219/1: S3C2443: DMA source definitions
[ARM] 4218/1: S3C2412: fix CONFIG_CPU_S3C2412_ONLY wrt to S3C2443
[ARM] 4217/1: S3C24XX: remove the dma channel show at startup
[ARM] 4090/2: avoid clash between PXA and SA1111 defines
[ARM] 4216/1: add .gitignore entries for ARM specific files
[ARM] 4214/2: S3C2410: Add Armzone QT2410
[ARM] 4215/1: s3c2410 usb device: per-platform vbus_draw
[ARM] 4213/1: S3C2410 - Update definition of ADCTSC_XY_PST
[ARM] 4098/1: ARM: rtc_lock only used with rtc_cmos
[ARM] 4137/1: Add kexec support
[ARM] 4201/1: SMP barriers pair needed for the secondary boot process
...
Fix up conflict due to typedef removal in sound/arm/aaci.h
Diffstat (limited to 'arch/arm/mm/proc-v6.S')
| -rw-r--r-- | arch/arm/mm/proc-v6.S | 22 |
1 files changed, 13 insertions, 9 deletions
diff --git a/arch/arm/mm/proc-v6.S b/arch/arm/mm/proc-v6.S index 7b1843befb9..eb42e5b9486 100644 --- a/arch/arm/mm/proc-v6.S +++ b/arch/arm/mm/proc-v6.S @@ -14,10 +14,13 @@ #include <asm/assembler.h> #include <asm/asm-offsets.h> #include <asm/elf.h> -#include <asm/hardware/arm_scu.h> #include <asm/pgtable-hwdef.h> #include <asm/pgtable.h> +#ifdef CONFIG_SMP +#include <asm/hardware/arm_scu.h> +#endif + #include "proc-macros.S" #define D_CACHE_LINE_SIZE 32 @@ -30,6 +33,12 @@ #define TTB_RGN_WT (2 << 3) #define TTB_RGN_WB (3 << 3) +#ifndef CONFIG_SMP +#define TTB_FLAGS TTB_RGN_WBWA +#else +#define TTB_FLAGS TTB_RGN_WBWA|TTB_S +#endif + ENTRY(cpu_v6_proc_init) mov pc, lr @@ -92,9 +101,7 @@ ENTRY(cpu_v6_switch_mm) #ifdef CONFIG_MMU mov r2, #0 ldr r1, [r1, #MM_CONTEXT_ID] @ get mm->context.id -#ifdef CONFIG_SMP - orr r0, r0, #TTB_RGN_WBWA|TTB_S @ mark PTWs shared, outer cacheable -#endif + orr r0, r0, #TTB_FLAGS mcr p15, 0, r2, c7, c5, 6 @ flush BTAC/BTB mcr p15, 0, r2, c7, c10, 4 @ drain write buffer mcr p15, 0, r0, c2, c0, 0 @ set TTB 0 @@ -183,8 +190,7 @@ __v6_setup: /* Set up the SCU on core 0 only */ mrc p15, 0, r0, c0, c0, 5 @ CPU core number ands r0, r0, #15 - moveq r0, #0x10000000 @ SCU_BASE - orreq r0, r0, #0x00100000 + ldreq r0, =SCU_BASE ldreq r5, [r0, #SCU_CTRL] orreq r5, r5, #1 streq r5, [r0, #SCU_CTRL] @@ -204,9 +210,7 @@ __v6_setup: #ifdef CONFIG_MMU mcr p15, 0, r0, c8, c7, 0 @ invalidate I + D TLBs mcr p15, 0, r0, c2, c0, 2 @ TTB control register -#ifdef CONFIG_SMP - orr r4, r4, #TTB_RGN_WBWA|TTB_S @ mark PTWs shared, outer cacheable -#endif + orr r4, r4, #TTB_FLAGS mcr p15, 0, r4, c2, c0, 1 @ load TTB1 #endif /* CONFIG_MMU */ adr r5, v6_crval |