diff options
Diffstat (limited to 'arch/sh/mm')
| -rw-r--r-- | arch/sh/mm/cache-sh7705.c | 33 | ||||
| -rw-r--r-- | arch/sh/mm/cache.c | 7 |
2 files changed, 30 insertions, 10 deletions
diff --git a/arch/sh/mm/cache-sh7705.c b/arch/sh/mm/cache-sh7705.c index fa37bff306b9..f1d5c803c04b 100644 --- a/arch/sh/mm/cache-sh7705.c +++ b/arch/sh/mm/cache-sh7705.c @@ -64,7 +64,7 @@ static inline void cache_wback_all(void) * * Called from kernel/module.c:sys_init_module and routine for a.out format. */ -void flush_icache_range(unsigned long start, unsigned long end) +static void sh7705_flush_icache_range(unsigned long start, unsigned long end) { __flush_wback_region((void *)start, end - start); } @@ -72,7 +72,7 @@ void flush_icache_range(unsigned long start, unsigned long end) /* * Writeback&Invalidate the D-cache of the page */ -static void __uses_jump_to_uncached __flush_dcache_page(unsigned long phys) +static void __flush_dcache_page(unsigned long phys) { unsigned long ways, waysize, addrstart; unsigned long flags; @@ -127,7 +127,7 @@ static void __uses_jump_to_uncached __flush_dcache_page(unsigned long phys) * Write back & invalidate the D-cache of the page. * (To avoid "alias" issues) */ -void flush_dcache_page(struct page *page) +static void sh7705_flush_dcache_page(struct page *page) { struct address_space *mapping = page_mapping(page); @@ -137,7 +137,7 @@ void flush_dcache_page(struct page *page) __flush_dcache_page(PHYSADDR(page_address(page))); } -void __uses_jump_to_uncached flush_cache_all(void) +static void sh7705_flush_cache_all(void) { unsigned long flags; @@ -149,7 +149,7 @@ void __uses_jump_to_uncached flush_cache_all(void) local_irq_restore(flags); } -void flush_cache_mm(struct mm_struct *mm) +static void sh7705_flush_cache_mm(struct mm_struct *mm) { /* Is there any good way? */ /* XXX: possibly call flush_cache_range for each vm area */ @@ -165,8 +165,8 @@ void flush_cache_mm(struct mm_struct *mm) * Flushing the cache lines for U0 only isn't enough. * We need to flush for P1 too, which may contain aliases. */ -void flush_cache_range(struct vm_area_struct *vma, unsigned long start, - unsigned long end) +static void sh7705_flush_cache_range(struct vm_area_struct *vma, + unsigned long start, unsigned long end) { /* @@ -184,8 +184,8 @@ void flush_cache_range(struct vm_area_struct *vma, unsigned long start, * * ADDRESS: Virtual Address (U0 address) */ -void flush_cache_page(struct vm_area_struct *vma, unsigned long address, - unsigned long pfn) +static void sh7705_flush_cache_page(struct vm_area_struct *vma, + unsigned long address, unsigned long pfn) { __flush_dcache_page(pfn << PAGE_SHIFT); } @@ -198,7 +198,20 @@ void flush_cache_page(struct vm_area_struct *vma, unsigned long address, * Not entirely sure why this is necessary on SH3 with 32K cache but * without it we get occasional "Memory fault" when loading a program. */ -void flush_icache_page(struct vm_area_struct *vma, struct page *page) +static void sh7705_flush_icache_page(struct vm_area_struct *vma, + struct page *page) { __flush_purge_region(page_address(page), PAGE_SIZE); } + +void __init sh7705_cache_init(void) +{ + flush_icache_range = sh7705_flush_icache_range; + flush_dcache_page = sh7705_flush_dcache_page; + flush_cache_all = sh7705_flush_cache_all; + flush_cache_mm = sh7705_flush_cache_mm; + flush_cache_dup_mm = sh7705_flush_cache_mm; + flush_cache_range = sh7705_flush_cache_range; + flush_cache_page = sh7705_flush_cache_page; + flush_icache_page = sh7705_flush_icache_page; +} diff --git a/arch/sh/mm/cache.c b/arch/sh/mm/cache.c index c9480b48c746..8618ccdc1ca5 100644 --- a/arch/sh/mm/cache.c +++ b/arch/sh/mm/cache.c @@ -260,6 +260,13 @@ void __init cpu_cache_init(void) extern void __weak sh3_cache_init(void); sh3_cache_init(); + + if ((boot_cpu_data.type == CPU_SH7705) && + (boot_cpu_data.dcache.sets == 512)) { + extern void __weak sh7705_cache_init(void); + + sh7705_cache_init(); + } } if ((boot_cpu_data.family == CPU_FAMILY_SH4) || |