diff options
| -rw-r--r-- | arch/arm/mm/proc-feroceon.S | 69 | ||||
| -rw-r--r-- | include/asm-arm/cacheflush.h | 6 |
2 files changed, 69 insertions, 6 deletions
diff --git a/arch/arm/mm/proc-feroceon.S b/arch/arm/mm/proc-feroceon.S index 61a5025bf032..c279652a98fd 100644 --- a/arch/arm/mm/proc-feroceon.S +++ b/arch/arm/mm/proc-feroceon.S @@ -237,6 +237,20 @@ ENTRY(feroceon_flush_kern_dcache_page) mcr p15, 0, r0, c7, c10, 4 @ drain WB mov pc, lr + .align 5 +ENTRY(feroceon_range_flush_kern_dcache_page) + mrs r2, cpsr + add r1, r0, #PAGE_SZ - CACHE_DLINESIZE @ top addr is inclusive + orr r3, r2, #PSR_I_BIT + msr cpsr_c, r3 @ disable interrupts + mcr p15, 5, r0, c15, c15, 0 @ D clean/inv range start + mcr p15, 5, r1, c15, c15, 1 @ D clean/inv range top + msr cpsr_c, r2 @ restore interrupts + mov r0, #0 + mcr p15, 0, r0, c7, c5, 0 @ invalidate I cache + mcr p15, 0, r0, c7, c10, 4 @ drain WB + mov pc, lr + /* * dma_inv_range(start, end) * @@ -253,10 +267,10 @@ ENTRY(feroceon_flush_kern_dcache_page) .align 5 ENTRY(feroceon_dma_inv_range) tst r0, #CACHE_DLINESIZE - 1 + bic r0, r0, #CACHE_DLINESIZE - 1 mcrne p15, 0, r0, c7, c10, 1 @ clean D entry tst r1, #CACHE_DLINESIZE - 1 mcrne p15, 0, r1, c7, c10, 1 @ clean D entry - bic r0, r0, #CACHE_DLINESIZE - 1 1: mcr p15, 0, r0, c7, c6, 1 @ invalidate D entry add r0, r0, #CACHE_DLINESIZE cmp r0, r1 @@ -264,6 +278,22 @@ ENTRY(feroceon_dma_inv_range) mcr p15, 0, r0, c7, c10, 4 @ drain WB mov pc, lr + .align 5 +ENTRY(feroceon_range_dma_inv_range) + mrs r2, cpsr + tst r0, #CACHE_DLINESIZE - 1 + mcrne p15, 0, r0, c7, c10, 1 @ clean D entry + tst r1, #CACHE_DLINESIZE - 1 + mcrne p15, 0, r1, c7, c10, 1 @ clean D entry + cmp r1, r0 + subne r1, r1, #1 @ top address is inclusive + orr r3, r2, #PSR_I_BIT + msr cpsr_c, r3 @ disable interrupts + mcr p15, 5, r0, c15, c14, 0 @ D inv range start + mcr p15, 5, r1, c15, c14, 1 @ D inv range top + msr cpsr_c, r2 @ restore interrupts + mov pc, lr + /* * dma_clean_range(start, end) * @@ -284,6 +314,19 @@ ENTRY(feroceon_dma_clean_range) mcr p15, 0, r0, c7, c10, 4 @ drain WB mov pc, lr + .align 5 +ENTRY(feroceon_range_dma_clean_range) + mrs r2, cpsr + cmp r1, r0 + subne r1, r1, #1 @ top address is inclusive + orr r3, r2, #PSR_I_BIT + msr cpsr_c, r3 @ disable interrupts + mcr p15, 5, r0, c15, c13, 0 @ D clean range start + mcr p15, 5, r1, c15, c13, 1 @ D clean range top + msr cpsr_c, r2 @ restore interrupts + mcr p15, 0, r0, c7, c10, 4 @ drain WB + mov pc, lr + /* * dma_flush_range(start, end) * @@ -302,6 +345,19 @@ ENTRY(feroceon_dma_flush_range) mcr p15, 0, r0, c7, c10, 4 @ drain WB mov pc, lr + .align 5 +ENTRY(feroceon_range_dma_flush_range) + mrs r2, cpsr + cmp r1, r0 + subne r1, r1, #1 @ top address is inclusive + orr r3, r2, #PSR_I_BIT + msr cpsr_c, r3 @ disable interrupts + mcr p15, 5, r0, c15, c15, 0 @ D clean/inv range start + mcr p15, 5, r1, c15, c15, 1 @ D clean/inv range top + msr cpsr_c, r2 @ restore interrupts + mcr p15, 0, r0, c7, c10, 4 @ drain WB + mov pc, lr + ENTRY(feroceon_cache_fns) .long feroceon_flush_kern_cache_all .long feroceon_flush_user_cache_all @@ -313,6 +369,17 @@ ENTRY(feroceon_cache_fns) .long feroceon_dma_clean_range .long feroceon_dma_flush_range +ENTRY(feroceon_range_cache_fns) + .long feroceon_flush_kern_cache_all + .long feroceon_flush_user_cache_all + .long feroceon_flush_user_cache_range + .long feroceon_coherent_kern_range + .long feroceon_coherent_user_range + .long feroceon_range_flush_kern_dcache_page + .long feroceon_range_dma_inv_range + .long feroceon_range_dma_clean_range + .long feroceon_range_dma_flush_range + .align 5 ENTRY(cpu_feroceon_dcache_clean_area) 1: mcr p15, 0, r0, c7, c10, 1 @ clean D entry diff --git a/include/asm-arm/cacheflush.h b/include/asm-arm/cacheflush.h index 759a97b56eed..b85d426bb528 100644 --- a/include/asm-arm/cacheflush.h +++ b/include/asm-arm/cacheflush.h @@ -95,11 +95,7 @@ #endif #if defined(CONFIG_CPU_FEROCEON) -# ifdef _CACHE -# define MULTI_CACHE 1 -# else -# define _CACHE feroceon -# endif +# define MULTI_CACHE 1 #endif #if defined(CONFIG_CPU_V6) |