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author | Paul Mundt <lethal@linux-sh.org> | 2011-01-13 15:06:28 +0900 |
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committer | Paul Mundt <lethal@linux-sh.org> | 2011-01-13 15:06:28 +0900 |
commit | f43dc23d5ea91fca257be02138a255f02d98e806 (patch) | |
tree | b29722f6e965316e90ac97abf79923ced250dc21 /arch/arm/mm/proc-arm1020e.S | |
parent | f8e53553f452dcbf67cb89c8cba63a1cd6eb4cc0 (diff) | |
parent | 4162cf64973df51fc885825bc9ca4d055891c49f (diff) | |
download | op-kernel-dev-f43dc23d5ea91fca257be02138a255f02d98e806.zip op-kernel-dev-f43dc23d5ea91fca257be02138a255f02d98e806.tar.gz |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6 into common/serial-rework
Conflicts:
arch/sh/kernel/cpu/sh2/setup-sh7619.c
arch/sh/kernel/cpu/sh2a/setup-mxg.c
arch/sh/kernel/cpu/sh2a/setup-sh7201.c
arch/sh/kernel/cpu/sh2a/setup-sh7203.c
arch/sh/kernel/cpu/sh2a/setup-sh7206.c
arch/sh/kernel/cpu/sh3/setup-sh7705.c
arch/sh/kernel/cpu/sh3/setup-sh770x.c
arch/sh/kernel/cpu/sh3/setup-sh7710.c
arch/sh/kernel/cpu/sh3/setup-sh7720.c
arch/sh/kernel/cpu/sh4/setup-sh4-202.c
arch/sh/kernel/cpu/sh4/setup-sh7750.c
arch/sh/kernel/cpu/sh4/setup-sh7760.c
arch/sh/kernel/cpu/sh4a/setup-sh7343.c
arch/sh/kernel/cpu/sh4a/setup-sh7366.c
arch/sh/kernel/cpu/sh4a/setup-sh7722.c
arch/sh/kernel/cpu/sh4a/setup-sh7723.c
arch/sh/kernel/cpu/sh4a/setup-sh7724.c
arch/sh/kernel/cpu/sh4a/setup-sh7763.c
arch/sh/kernel/cpu/sh4a/setup-sh7770.c
arch/sh/kernel/cpu/sh4a/setup-sh7780.c
arch/sh/kernel/cpu/sh4a/setup-sh7785.c
arch/sh/kernel/cpu/sh4a/setup-sh7786.c
arch/sh/kernel/cpu/sh4a/setup-shx3.c
arch/sh/kernel/cpu/sh5/setup-sh5.c
drivers/serial/sh-sci.c
drivers/serial/sh-sci.h
include/linux/serial_sci.h
Diffstat (limited to 'arch/arm/mm/proc-arm1020e.S')
-rw-r--r-- | arch/arm/mm/proc-arm1020e.S | 68 |
1 files changed, 52 insertions, 16 deletions
diff --git a/arch/arm/mm/proc-arm1020e.S b/arch/arm/mm/proc-arm1020e.S index 8bc6740..ab7ec26 100644 --- a/arch/arm/mm/proc-arm1020e.S +++ b/arch/arm/mm/proc-arm1020e.S @@ -79,15 +79,11 @@ ENTRY(cpu_arm1020e_proc_init) * cpu_arm1020e_proc_fin() */ ENTRY(cpu_arm1020e_proc_fin) - stmfd sp!, {lr} - mov ip, #PSR_F_BIT | PSR_I_BIT | SVC_MODE - msr cpsr_c, ip - bl arm1020e_flush_kern_cache_all mrc p15, 0, r0, c1, c0, 0 @ ctrl register bic r0, r0, #0x1000 @ ...i............ bic r0, r0, #0x000e @ ............wca. mcr p15, 0, r0, c1, c0, 0 @ disable caches - ldmfd sp!, {pc} + mov pc, lr /* * cpu_arm1020e_reset(loc) @@ -123,6 +119,20 @@ ENTRY(cpu_arm1020e_do_idle) /* ================================= CACHE ================================ */ .align 5 + +/* + * flush_icache_all() + * + * Unconditionally clean and invalidate the entire icache. + */ +ENTRY(arm1020e_flush_icache_all) +#ifndef CONFIG_CPU_ICACHE_DISABLE + mov r0, #0 + mcr p15, 0, r0, c7, c5, 0 @ invalidate I cache +#endif + mov pc, lr +ENDPROC(arm1020e_flush_icache_all) + /* * flush_user_cache_all() * @@ -225,17 +235,18 @@ ENTRY(arm1020e_coherent_user_range) mov pc, lr /* - * flush_kern_dcache_page(void *page) + * flush_kern_dcache_area(void *addr, size_t size) * * Ensure no D cache aliasing occurs, either with itself or * the I cache * - * - page - page aligned address + * - addr - kernel address + * - size - region size */ -ENTRY(arm1020e_flush_kern_dcache_page) +ENTRY(arm1020e_flush_kern_dcache_area) mov ip, #0 #ifndef CONFIG_CPU_DCACHE_DISABLE - add r1, r0, #PAGE_SZ + add r1, r0, r1 1: mcr p15, 0, r0, c7, c14, 1 @ clean+invalidate D entry add r0, r0, #CACHE_DLINESIZE cmp r0, r1 @@ -257,7 +268,7 @@ ENTRY(arm1020e_flush_kern_dcache_page) * * (same as v4wb) */ -ENTRY(arm1020e_dma_inv_range) +arm1020e_dma_inv_range: mov ip, #0 #ifndef CONFIG_CPU_DCACHE_DISABLE tst r0, #CACHE_DLINESIZE - 1 @@ -283,7 +294,7 @@ ENTRY(arm1020e_dma_inv_range) * * (same as v4wb) */ -ENTRY(arm1020e_dma_clean_range) +arm1020e_dma_clean_range: mov ip, #0 #ifndef CONFIG_CPU_DCACHE_DISABLE bic r0, r0, #CACHE_DLINESIZE - 1 @@ -315,15 +326,40 @@ ENTRY(arm1020e_dma_flush_range) mcr p15, 0, ip, c7, c10, 4 @ drain WB mov pc, lr +/* + * dma_map_area(start, size, dir) + * - start - kernel virtual start address + * - size - size of region + * - dir - DMA direction + */ +ENTRY(arm1020e_dma_map_area) + add r1, r1, r0 + cmp r2, #DMA_TO_DEVICE + beq arm1020e_dma_clean_range + bcs arm1020e_dma_inv_range + b arm1020e_dma_flush_range +ENDPROC(arm1020e_dma_map_area) + +/* + * dma_unmap_area(start, size, dir) + * - start - kernel virtual start address + * - size - size of region + * - dir - DMA direction + */ +ENTRY(arm1020e_dma_unmap_area) + mov pc, lr +ENDPROC(arm1020e_dma_unmap_area) + ENTRY(arm1020e_cache_fns) + .long arm1020e_flush_icache_all .long arm1020e_flush_kern_cache_all .long arm1020e_flush_user_cache_all .long arm1020e_flush_user_cache_range .long arm1020e_coherent_kern_range .long arm1020e_coherent_user_range - .long arm1020e_flush_kern_dcache_page - .long arm1020e_dma_inv_range - .long arm1020e_dma_clean_range + .long arm1020e_flush_kern_dcache_area + .long arm1020e_dma_map_area + .long arm1020e_dma_unmap_area .long arm1020e_dma_flush_range .align 5 @@ -391,7 +427,7 @@ ENTRY(cpu_arm1020e_set_pte_ext) #endif /* CONFIG_MMU */ mov pc, lr - __INIT + __CPUINIT .type __arm1020e_setup, #function __arm1020e_setup: @@ -430,7 +466,7 @@ arm1020e_crval: .type arm1020e_processor_functions, #object arm1020e_processor_functions: .word v4t_early_abort - .word pabort_noifar + .word legacy_pabort .word cpu_arm1020e_proc_init .word cpu_arm1020e_proc_fin .word cpu_arm1020e_reset |