diff options
Diffstat (limited to 'arch/arm/mm')
| -rw-r--r-- | arch/arm/mm/abort-ev6.S | 2 | ||||
| -rw-r--r-- | arch/arm/mm/cache-v6.S | 23 | ||||
| -rw-r--r-- | arch/arm/mm/flush.c | 6 | ||||
| -rw-r--r-- | arch/arm/mm/ioremap.c | 2 | ||||
| -rw-r--r-- | arch/arm/mm/mm-armv.c | 6 | ||||
| -rw-r--r-- | arch/arm/mm/proc-xscale.S | 16 | ||||
| -rw-r--r-- | arch/arm/mm/tlb-v6.S | 1 |
7 files changed, 33 insertions, 23 deletions
diff --git a/arch/arm/mm/abort-ev6.S b/arch/arm/mm/abort-ev6.S index dbd3460..8a7f65b 100644 --- a/arch/arm/mm/abort-ev6.S +++ b/arch/arm/mm/abort-ev6.S @@ -20,7 +20,7 @@ */ .align 5 ENTRY(v6_early_abort) -#ifdef CONFIG_CPU_MPCORE +#ifdef CONFIG_CPU_32v6K clrex #else strex r0, r1, [sp] @ Clear the exclusive monitor diff --git a/arch/arm/mm/cache-v6.S b/arch/arm/mm/cache-v6.S index 72966d9..2c6c2a7 100644 --- a/arch/arm/mm/cache-v6.S +++ b/arch/arm/mm/cache-v6.S @@ -92,25 +92,20 @@ ENTRY(v6_coherent_kern_range) * - the Icache does not read data from the write buffer */ ENTRY(v6_coherent_user_range) - bic r0, r0, #CACHE_LINE_SIZE - 1 -1: + #ifdef HARVARD_CACHE - mcr p15, 0, r0, c7, c10, 1 @ clean D line - mcr p15, 0, r0, c7, c5, 1 @ invalidate I line -#endif - mcr p15, 0, r0, c7, c5, 7 @ invalidate BTB entry - add r0, r0, #BTB_FLUSH_SIZE - mcr p15, 0, r0, c7, c5, 7 @ invalidate BTB entry - add r0, r0, #BTB_FLUSH_SIZE - mcr p15, 0, r0, c7, c5, 7 @ invalidate BTB entry - add r0, r0, #BTB_FLUSH_SIZE - mcr p15, 0, r0, c7, c5, 7 @ invalidate BTB entry - add r0, r0, #BTB_FLUSH_SIZE + bic r0, r0, #CACHE_LINE_SIZE - 1 +1: mcr p15, 0, r0, c7, c10, 1 @ clean D line + add r0, r0, #CACHE_LINE_SIZE cmp r0, r1 blo 1b -#ifdef HARVARD_CACHE +#endif mov r0, #0 +#ifdef HARVARD_CACHE mcr p15, 0, r0, c7, c10, 4 @ drain write buffer + mcr p15, 0, r0, c7, c5, 0 @ I+BTB cache invalidate +#else + mcr p15, 0, r0, c7, c5, 6 @ invalidate BTB #endif mov pc, lr diff --git a/arch/arm/mm/flush.c b/arch/arm/mm/flush.c index 330695b..b103e56 100644 --- a/arch/arm/mm/flush.c +++ b/arch/arm/mm/flush.c @@ -24,14 +24,16 @@ static void flush_pfn_alias(unsigned long pfn, unsigned long vaddr) { unsigned long to = ALIAS_FLUSH_START + (CACHE_COLOUR(vaddr) << PAGE_SHIFT); + const int zero = 0; set_pte(TOP_PTE(to), pfn_pte(pfn, PAGE_KERNEL)); flush_tlb_kernel_page(to); asm( "mcrr p15, 0, %1, %0, c14\n" - " mcrr p15, 0, %1, %0, c5\n" + " mcr p15, 0, %2, c7, c10, 4\n" + " mcr p15, 0, %2, c7, c5, 0\n" : - : "r" (to), "r" (to + PAGE_SIZE - L1_CACHE_BYTES) + : "r" (to), "r" (to + PAGE_SIZE - L1_CACHE_BYTES), "r" (zero) : "cc"); } diff --git a/arch/arm/mm/ioremap.c b/arch/arm/mm/ioremap.c index de3ce1e..da9b359 100644 --- a/arch/arm/mm/ioremap.c +++ b/arch/arm/mm/ioremap.c @@ -142,7 +142,7 @@ __ioremap_pfn(unsigned long pfn, unsigned long offset, size_t size, return NULL; addr = (unsigned long)area->addr; if (remap_area_pages(addr, pfn, size, flags)) { - vfree(addr); + vfree((void *)addr); return NULL; } return (void __iomem *) (offset + (char *)addr); diff --git a/arch/arm/mm/mm-armv.c b/arch/arm/mm/mm-armv.c index d0245a3..ef8d30a 100644 --- a/arch/arm/mm/mm-armv.c +++ b/arch/arm/mm/mm-armv.c @@ -343,6 +343,12 @@ static struct mem_types mem_types[] __initdata = { PMD_SECT_AP_WRITE | PMD_SECT_BUFFERABLE | PMD_SECT_TEX(1), .domain = DOMAIN_IO, + }, + [MT_NONSHARED_DEVICE] = { + .prot_l1 = PMD_TYPE_TABLE, + .prot_sect = PMD_TYPE_SECT | PMD_SECT_NONSHARED_DEV | + PMD_SECT_AP_WRITE, + .domain = DOMAIN_IO, } }; diff --git a/arch/arm/mm/proc-xscale.S b/arch/arm/mm/proc-xscale.S index 861b3594..2d3823e 100644 --- a/arch/arm/mm/proc-xscale.S +++ b/arch/arm/mm/proc-xscale.S @@ -241,7 +241,15 @@ ENTRY(xscale_flush_user_cache_range) * it also trashes the mini I-cache used by JTAG debuggers. */ ENTRY(xscale_coherent_kern_range) - /* FALLTHROUGH */ + bic r0, r0, #CACHELINESIZE - 1 +1: mcr p15, 0, r0, c7, c10, 1 @ clean D entry + add r0, r0, #CACHELINESIZE + cmp r0, r1 + blo 1b + mov r0, #0 + mcr p15, 0, r0, c7, c5, 0 @ Invalidate I cache & BTB + mcr p15, 0, r0, c7, c10, 4 @ Drain Write (& Fill) Buffer + mov pc, lr /* * coherent_user_range(start, end) @@ -252,18 +260,16 @@ ENTRY(xscale_coherent_kern_range) * * - start - virtual start address * - end - virtual end address - * - * Note: single I-cache line invalidation isn't used here since - * it also trashes the mini I-cache used by JTAG debuggers. */ ENTRY(xscale_coherent_user_range) bic r0, r0, #CACHELINESIZE - 1 1: mcr p15, 0, r0, c7, c10, 1 @ clean D entry + mcr p15, 0, r0, c7, c5, 1 @ Invalidate I cache entry add r0, r0, #CACHELINESIZE cmp r0, r1 blo 1b mov r0, #0 - mcr p15, 0, r0, c7, c5, 0 @ Invalidate I cache & BTB + mcr p15, 0, r0, c7, c5, 6 @ Invalidate BTB mcr p15, 0, r0, c7, c10, 4 @ Drain Write (& Fill) Buffer mov pc, lr diff --git a/arch/arm/mm/tlb-v6.S b/arch/arm/mm/tlb-v6.S index 6f76b89..fd6adde 100644 --- a/arch/arm/mm/tlb-v6.S +++ b/arch/arm/mm/tlb-v6.S @@ -80,6 +80,7 @@ ENTRY(v6wbi_flush_kern_tlb_range) add r0, r0, #PAGE_SZ cmp r0, r1 blo 1b + mcr p15, 0, r2, c7, c10, 4 @ data synchronization barrier mov pc, lr .section ".text.init", #alloc, #execinstr |
