diff options
author | Ingo Molnar <mingo@elte.hu> | 2009-03-30 23:53:32 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2009-03-30 23:53:32 +0200 |
commit | 65fb0d23fcddd8697c871047b700c78817bdaa43 (patch) | |
tree | 119e6e5f276622c4c862f6c9b6d795264ba1603a /arch/arm/boot | |
parent | 8c083f081d0014057901c68a0a3e0f8ca7ac8d23 (diff) | |
parent | dfbbe89e197a77f2c8046a51c74e33e35f878080 (diff) |
Merge branch 'linus' into cpumask-for-linus
Conflicts:
arch/x86/kernel/cpu/common.c
Diffstat (limited to 'arch/arm/boot')
-rw-r--r-- | arch/arm/boot/compressed/head.S | 44 | ||||
-rw-r--r-- | arch/arm/boot/compressed/misc.c | 15 | ||||
-rw-r--r-- | arch/arm/boot/compressed/vmlinux.lds.in | 5 |
3 files changed, 64 insertions, 0 deletions
diff --git a/arch/arm/boot/compressed/head.S b/arch/arm/boot/compressed/head.S index 77d614232d81..b371fba1b954 100644 --- a/arch/arm/boot/compressed/head.S +++ b/arch/arm/boot/compressed/head.S @@ -27,6 +27,12 @@ .macro writeb, ch, rb mcr p14, 0, \ch, c0, c5, 0 .endm +#elif defined(CONFIG_CPU_XSCALE) + .macro loadsp, rb + .endm + .macro writeb, ch, rb + mcr p14, 0, \ch, c8, c0, 0 + .endm #else .macro loadsp, rb .endm @@ -459,6 +465,20 @@ __armv7_mmu_cache_on: mcr p15, 0, r0, c7, c5, 4 @ ISB mov pc, r12 +__fa526_cache_on: + mov r12, lr + bl __setup_mmu + mov r0, #0 + mcr p15, 0, r0, c7, c7, 0 @ Invalidate whole cache + mcr p15, 0, r0, c7, c10, 4 @ drain write buffer + mcr p15, 0, r0, c8, c7, 0 @ flush UTLB + mrc p15, 0, r0, c1, c0, 0 @ read control reg + orr r0, r0, #0x1000 @ I-cache enable + bl __common_mmu_cache_on + mov r0, #0 + mcr p15, 0, r0, c8, c7, 0 @ flush UTLB + mov pc, r12 + __arm6_mmu_cache_on: mov r12, lr bl __setup_mmu @@ -630,12 +650,30 @@ proc_types: b __armv4_mmu_cache_off b __armv4_mmu_cache_flush + .word 0x56158000 @ PXA168 + .word 0xfffff000 + b __armv4_mmu_cache_on + b __armv4_mmu_cache_off + b __armv5tej_mmu_cache_flush + + .word 0x56056930 + .word 0xff0ffff0 @ PXA935 + b __armv4_mmu_cache_on + b __armv4_mmu_cache_off + b __armv4_mmu_cache_flush + .word 0x56050000 @ Feroceon .word 0xff0f0000 b __armv4_mmu_cache_on b __armv4_mmu_cache_off b __armv5tej_mmu_cache_flush + .word 0x66015261 @ FA526 + .word 0xff01fff1 + b __fa526_cache_on + b __armv4_mmu_cache_off + b __fa526_cache_flush + @ These match on the architecture ID .word 0x00020000 @ ARMv4T @@ -775,6 +813,12 @@ __armv4_mpu_cache_flush: mcr p15, 0, ip, c7, c10, 4 @ drain WB mov pc, lr +__fa526_cache_flush: + mov r1, #0 + mcr p15, 0, r1, c7, c14, 0 @ clean and invalidate D cache + mcr p15, 0, r1, c7, c5, 0 @ flush I cache + mcr p15, 0, r1, c7, c10, 4 @ drain WB + mov pc, lr __armv6_mmu_cache_flush: mov r1, #0 diff --git a/arch/arm/boot/compressed/misc.c b/arch/arm/boot/compressed/misc.c index 3fc08413fff0..393c81641314 100644 --- a/arch/arm/boot/compressed/misc.c +++ b/arch/arm/boot/compressed/misc.c @@ -46,6 +46,21 @@ static void icedcc_putc(int ch) asm("mcr p14, 0, %0, c0, c5, 0" : : "r" (ch)); } +#elif defined(CONFIG_CPU_XSCALE) + +static void icedcc_putc(int ch) +{ + int status, i = 0x4000000; + + do { + if (--i < 0) + return; + + asm volatile ("mrc p14, 0, %0, c14, c0, 0" : "=r" (status)); + } while (status & (1 << 28)); + + asm("mcr p14, 0, %0, c8, c0, 0" : : "r" (ch)); +} #else diff --git a/arch/arm/boot/compressed/vmlinux.lds.in b/arch/arm/boot/compressed/vmlinux.lds.in index 153a07e7222b..a5924b9b88bd 100644 --- a/arch/arm/boot/compressed/vmlinux.lds.in +++ b/arch/arm/boot/compressed/vmlinux.lds.in @@ -11,6 +11,11 @@ OUTPUT_ARCH(arm) ENTRY(_start) SECTIONS { + /DISCARD/ : { + *(.ARM.exidx*) + *(.ARM.extab*) + } + . = TEXT_START; _text = .; |