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| author | Bryan Wu <cooloney@kernel.org> | 2008-08-27 04:51:02 +0200 |
|---|---|---|
| committer | Bryan Wu <cooloney@kernel.org> | 2008-08-27 04:51:02 +0200 |
| commit | 639f6571458948b5112be2cf00c0c2c04db2897d (patch) | |
| tree | a4dd7af33d0e92c935ba1e904f6fb7e923ac825e /arch/blackfin/include/asm/cache.h | |
| parent | Blackfin arch: fix bug - MPU crashes under stress (diff) | |
| download | linux-639f6571458948b5112be2cf00c0c2c04db2897d.tar.xz linux-639f6571458948b5112be2cf00c0c2c04db2897d.zip | |
Blackfin arch: move include/asm-blackfin header files to arch/blackfin
Signed-off-by: Bryan Wu <cooloney@kernel.org>
Diffstat (limited to 'arch/blackfin/include/asm/cache.h')
| -rw-r--r-- | arch/blackfin/include/asm/cache.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/arch/blackfin/include/asm/cache.h b/arch/blackfin/include/asm/cache.h new file mode 100644 index 000000000000..023d72133b5a --- /dev/null +++ b/arch/blackfin/include/asm/cache.h @@ -0,0 +1,29 @@ +/* + * include/asm-blackfin/cache.h + */ +#ifndef __ARCH_BLACKFIN_CACHE_H +#define __ARCH_BLACKFIN_CACHE_H + +/* + * Bytes per L1 cache line + * Blackfin loads 32 bytes for cache + */ +#define L1_CACHE_SHIFT 5 +#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) +#define SMP_CACHE_BYTES L1_CACHE_BYTES + +/* + * Put cacheline_aliged data to L1 data memory + */ +#ifdef CONFIG_CACHELINE_ALIGNED_L1 +#define __cacheline_aligned \ + __attribute__((__aligned__(L1_CACHE_BYTES), \ + __section__(".data_l1.cacheline_aligned"))) +#endif + +/* + * largest L1 which this arch supports + */ +#define L1_CACHE_SHIFT_MAX 5 + +#endif |