diff options
Diffstat (limited to 'arch/sh/mm/cache-sh4.c')
| -rw-r--r-- | arch/sh/mm/cache-sh4.c | 36 |
1 files changed, 15 insertions, 21 deletions
diff --git a/arch/sh/mm/cache-sh4.c b/arch/sh/mm/cache-sh4.c index 560ddb6bc8a..51d8f7f31d1 100644 --- a/arch/sh/mm/cache-sh4.c +++ b/arch/sh/mm/cache-sh4.c @@ -18,6 +18,7 @@ #include <linux/highmem.h> #include <asm/pgtable.h> #include <asm/mmu_context.h> +#include <asm/cache_insns.h> #include <asm/cacheflush.h> /* @@ -36,7 +37,7 @@ static void __flush_cache_one(unsigned long addr, unsigned long phys, * Called from kernel/module.c:sys_init_module and routine for a.out format, * signal handler code and kprobes code */ -static void __uses_jump_to_uncached sh4_flush_icache_range(void *args) +static void sh4_flush_icache_range(void *args) { struct flusher_data *data = args; unsigned long start, end; @@ -109,29 +110,22 @@ static inline void flush_cache_one(unsigned long start, unsigned long phys) static void sh4_flush_dcache_page(void *arg) { struct page *page = arg; + unsigned long addr = (unsigned long)page_address(page); #ifndef CONFIG_SMP struct address_space *mapping = page_mapping(page); if (mapping && !mapping_mapped(mapping)) - set_bit(PG_dcache_dirty, &page->flags); + clear_bit(PG_dcache_clean, &page->flags); else #endif - { - unsigned long phys = page_to_phys(page); - unsigned long addr = CACHE_OC_ADDRESS_ARRAY; - int i, n; - - /* Loop all the D-cache */ - n = boot_cpu_data.dcache.n_aliases; - for (i = 0; i < n; i++, addr += PAGE_SIZE) - flush_cache_one(addr, phys); - } + flush_cache_one(CACHE_OC_ADDRESS_ARRAY | + (addr & shm_align_mask), page_to_phys(page)); wmb(); } /* TODO: Selective icache invalidation through IC address array.. */ -static void __uses_jump_to_uncached flush_icache_all(void) +static void flush_icache_all(void) { unsigned long flags, ccr; @@ -139,9 +133,9 @@ static void __uses_jump_to_uncached flush_icache_all(void) jump_to_uncached(); /* Flush I-cache */ - ccr = ctrl_inl(CCR); + ccr = __raw_readl(SH_CCR); ccr |= CCR_CACHE_ICI; - ctrl_outl(ccr, CCR); + __raw_writel(ccr, SH_CCR); /* * back_to_cached() will take care of the barrier for us, don't add @@ -246,12 +240,12 @@ static void sh4_flush_cache_page(void *args) * another ASID than the current one. */ map_coherent = (current_cpu_data.dcache.n_aliases && - !test_bit(PG_dcache_dirty, &page->flags) && + test_bit(PG_dcache_clean, &page->flags) && page_mapped(page)); if (map_coherent) vaddr = kmap_coherent(page, address); else - vaddr = kmap_atomic(page, KM_USER0); + vaddr = kmap_atomic(page); address = (unsigned long)vaddr; } @@ -266,7 +260,7 @@ static void sh4_flush_cache_page(void *args) if (map_coherent) kunmap_coherent(vaddr); else - kunmap_atomic(vaddr, KM_USER0); + kunmap_atomic(vaddr); } } @@ -384,9 +378,9 @@ extern void __weak sh4__flush_region_init(void); void __init sh4_cache_init(void) { printk("PVR=%08x CVR=%08x PRR=%08x\n", - ctrl_inl(CCN_PVR), - ctrl_inl(CCN_CVR), - ctrl_inl(CCN_PRR)); + __raw_readl(CCN_PVR), + __raw_readl(CCN_CVR), + __raw_readl(CCN_PRR)); local_flush_icache_range = sh4_flush_icache_range; local_flush_dcache_page = sh4_flush_dcache_page; |
