diff options
Diffstat (limited to 'include/asm-blackfin/cache.h')
-rw-r--r-- | include/asm-blackfin/cache.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/include/asm-blackfin/cache.h b/include/asm-blackfin/cache.h new file mode 100644 index 000000000000..023d72133b5a --- /dev/null +++ b/include/asm-blackfin/cache.h | |||
@@ -0,0 +1,29 @@ | |||
1 | /* | ||
2 | * include/asm-blackfin/cache.h | ||
3 | */ | ||
4 | #ifndef __ARCH_BLACKFIN_CACHE_H | ||
5 | #define __ARCH_BLACKFIN_CACHE_H | ||
6 | |||
7 | /* | ||
8 | * Bytes per L1 cache line | ||
9 | * Blackfin loads 32 bytes for cache | ||
10 | */ | ||
11 | #define L1_CACHE_SHIFT 5 | ||
12 | #define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) | ||
13 | #define SMP_CACHE_BYTES L1_CACHE_BYTES | ||
14 | |||
15 | /* | ||
16 | * Put cacheline_aliged data to L1 data memory | ||
17 | */ | ||
18 | #ifdef CONFIG_CACHELINE_ALIGNED_L1 | ||
19 | #define __cacheline_aligned \ | ||
20 | __attribute__((__aligned__(L1_CACHE_BYTES), \ | ||
21 | __section__(".data_l1.cacheline_aligned"))) | ||
22 | #endif | ||
23 | |||
24 | /* | ||
25 | * largest L1 which this arch supports | ||
26 | */ | ||
27 | #define L1_CACHE_SHIFT_MAX 5 | ||
28 | |||
29 | #endif | ||