diff options
| -rw-r--r-- | arch/sh/include/cpu-sh2a/cpu/cacheflush.h | 30 | ||||
| -rw-r--r-- | arch/sh/mm/cache-sh2a.c | 17 | ||||
| -rw-r--r-- | arch/sh/mm/cache.c | 6 |
3 files changed, 19 insertions, 34 deletions
diff --git a/arch/sh/include/cpu-sh2a/cpu/cacheflush.h b/arch/sh/include/cpu-sh2a/cpu/cacheflush.h deleted file mode 100644 index 32a529187a3..00000000000 --- a/arch/sh/include/cpu-sh2a/cpu/cacheflush.h +++ /dev/null @@ -1,30 +0,0 @@ -#ifndef __ASM_CPU_SH2A_CACHEFLUSH_H -#define __ASM_CPU_SH2A_CACHEFLUSH_H - -/* - * Cache flushing: - * - * - flush_cache_all() flushes entire cache - * - flush_cache_mm(mm) flushes the specified mm context's cache lines - * - flush_cache_dup mm(mm) handles cache flushing when forking - * - flush_cache_page(mm, vmaddr, pfn) flushes a single page - * - flush_cache_range(vma, start, end) flushes a range of pages - * - * - flush_dcache_page(pg) flushes(wback&invalidates) a page for dcache - * - flush_icache_range(start, end) flushes(invalidates) a range for icache - * - flush_icache_page(vma, pg) flushes(invalidates) a page for icache - * - * Caches are indexed (effectively) by physical address on SH-2, so - * we don't need them. - */ -#define flush_cache_all() do { } while (0) -#define flush_cache_mm(mm) do { } while (0) -#define flush_cache_dup_mm(mm) do { } while (0) -#define flush_cache_range(vma, start, end) do { } while (0) -#define flush_cache_page(vma, vmaddr, pfn) do { } while (0) -#define flush_dcache_page(page) do { } while (0) -void flush_icache_range(unsigned long start, unsigned long end); -#define flush_icache_page(vma,pg) do { } while (0) -#define flush_cache_sigtramp(vaddr) do { } while (0) - -#endif /* __ASM_CPU_SH2A_CACHEFLUSH_H */ diff --git a/arch/sh/mm/cache-sh2a.c b/arch/sh/mm/cache-sh2a.c index 24d86a79406..96a41872dfd 100644 --- a/arch/sh/mm/cache-sh2a.c +++ b/arch/sh/mm/cache-sh2a.c @@ -15,7 +15,7 @@ #include <asm/cacheflush.h> #include <asm/io.h> -void __flush_wback_region(void *start, int size) +static void sh2a__flush_wback_region(void *start, int size) { unsigned long v; unsigned long begin, end; @@ -44,7 +44,7 @@ void __flush_wback_region(void *start, int size) local_irq_restore(flags); } -void __flush_purge_region(void *start, int size) +static void sh2a__flush_purge_region(void *start, int size) { unsigned long v; unsigned long begin, end; @@ -65,7 +65,7 @@ void __flush_purge_region(void *start, int size) local_irq_restore(flags); } -void __flush_invalidate_region(void *start, int size) +static void sh2a__flush_invalidate_region(void *start, int size) { unsigned long v; unsigned long begin, end; @@ -97,7 +97,7 @@ void __flush_invalidate_region(void *start, int size) } /* WBack O-Cache and flush I-Cache */ -void flush_icache_range(unsigned long start, unsigned long end) +static void sh2a_flush_icache_range(unsigned long start, unsigned long end) { unsigned long v; unsigned long flags; @@ -127,3 +127,12 @@ void flush_icache_range(unsigned long start, unsigned long end) back_to_cached(); local_irq_restore(flags); } + +void __init sh2a_cache_init(void) +{ + flush_icache_range = sh2a_flush_icache_range; + + __flush_wback_region = sh2a__flush_wback_region; + __flush_purge_region = sh2a__flush_purge_region; + __flush_invalidate_region = sh2a__flush_invalidate_region; +} diff --git a/arch/sh/mm/cache.c b/arch/sh/mm/cache.c index 5ac299d6604..b56cce40891 100644 --- a/arch/sh/mm/cache.c +++ b/arch/sh/mm/cache.c @@ -250,6 +250,12 @@ void __init cpu_cache_init(void) sh2_cache_init(); } + if (boot_cpu_data.family == CPU_FAMILY_SH2A) { + extern void __weak sh2a_cache_init(void); + + sh2a_cache_init(); + } + if ((boot_cpu_data.family == CPU_FAMILY_SH4) || (boot_cpu_data.family == CPU_FAMILY_SH4A) || (boot_cpu_data.family == CPU_FAMILY_SH4AL_DSP)) { |