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| author | Mike Frysinger <vapier.adi@gmail.com> | 2008-10-16 17:33:53 +0200 |
|---|---|---|
| committer | Bryan Wu <cooloney@kernel.org> | 2008-10-16 17:33:53 +0200 |
| commit | 04be80ef0bab044e89ab04b84ccea14a5dc4543b (patch) | |
| tree | 6ff7022694bcb9d24259c9d6ce8a2f369950d342 /arch/blackfin/include/asm/cacheflush.h | |
| parent | Blackfin arch: use the new bfin_addr_dcachable() function (diff) | |
| download | linux-04be80ef0bab044e89ab04b84ccea14a5dc4543b.tar.xz linux-04be80ef0bab044e89ab04b84ccea14a5dc4543b.zip | |
Blackfin arch: move bfin_addr_dcachable() and friends into the cacheflush header where it belongs
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
Diffstat (limited to 'arch/blackfin/include/asm/cacheflush.h')
| -rw-r--r-- | arch/blackfin/include/asm/cacheflush.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/arch/blackfin/include/asm/cacheflush.h b/arch/blackfin/include/asm/cacheflush.h index 5ef9e35e9c3b..c2d5b6c9fb4d 100644 --- a/arch/blackfin/include/asm/cacheflush.h +++ b/arch/blackfin/include/asm/cacheflush.h @@ -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 */ |