diff options
Diffstat (limited to 'arch/blackfin/include/asm/cacheflush.h')
| -rw-r--r-- | arch/blackfin/include/asm/cacheflush.h | 27 |
1 files changed, 22 insertions, 5 deletions
diff --git a/arch/blackfin/include/asm/cacheflush.h b/arch/blackfin/include/asm/cacheflush.h index 5ef9e35e9c3..4403415583f 100644 --- a/arch/blackfin/include/asm/cacheflush.h +++ b/arch/blackfin/include/asm/cacheflush.h @@ -30,11 +30,11 @@ #ifndef _BLACKFIN_CACHEFLUSH_H #define _BLACKFIN_CACHEFLUSH_H -extern void blackfin_icache_dcache_flush_range(unsigned int, unsigned int); -extern void blackfin_icache_flush_range(unsigned int, unsigned int); -extern void blackfin_dcache_flush_range(unsigned int, unsigned int); -extern void blackfin_dcache_invalidate_range(unsigned int, unsigned int); -extern void blackfin_dflush_page(void *); +extern void blackfin_icache_dcache_flush_range(unsigned long start_address, unsigned long end_address); +extern void blackfin_icache_flush_range(unsigned long start_address, unsigned long end_address); +extern void blackfin_dcache_flush_range(unsigned long start_address, unsigned long end_address); +extern void blackfin_dcache_invalidate_range(unsigned long start_address, unsigned long end_address); +extern void blackfin_dflush_page(void *page); #define flush_dcache_mmap_lock(mapping) do { } while (0) #define flush_dcache_mmap_unlock(mapping) do { } while (0) @@ -85,4 +85,21 @@ do { memcpy(dst, src, len); \ # define flush_dcache_page(page) do { } while (0) #endif +extern unsigned long reserved_mem_dcache_on; +extern unsigned long reserved_mem_icache_on; + +static inline int bfin_addr_dcachable(unsigned long addr) +{ +#ifdef CONFIG_BFIN_DCACHE + if (addr < (_ramend - DMA_UNCACHED_REGION)) + return 1; +#endif + + if (reserved_mem_dcache_on && + addr >= _ramend && addr < physical_mem_end) + return 1; + + return 0; +} + #endif /* _BLACKFIN_ICACHEFLUSH_H */ |