diff options
Diffstat (limited to 'arch/alpha/include/asm/cache.h')
-rw-r--r-- | arch/alpha/include/asm/cache.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/arch/alpha/include/asm/cache.h b/arch/alpha/include/asm/cache.h new file mode 100644 index 000000000000..f199e69a5d0b --- /dev/null +++ b/arch/alpha/include/asm/cache.h | |||
@@ -0,0 +1,23 @@ | |||
1 | /* | ||
2 | * include/asm-alpha/cache.h | ||
3 | */ | ||
4 | #ifndef __ARCH_ALPHA_CACHE_H | ||
5 | #define __ARCH_ALPHA_CACHE_H | ||
6 | |||
7 | |||
8 | /* Bytes per L1 (data) cache line. */ | ||
9 | #if defined(CONFIG_ALPHA_GENERIC) || defined(CONFIG_ALPHA_EV6) | ||
10 | # define L1_CACHE_BYTES 64 | ||
11 | # define L1_CACHE_SHIFT 6 | ||
12 | #else | ||
13 | /* Both EV4 and EV5 are write-through, read-allocate, | ||
14 | direct-mapped, physical. | ||
15 | */ | ||
16 | # define L1_CACHE_BYTES 32 | ||
17 | # define L1_CACHE_SHIFT 5 | ||
18 | #endif | ||
19 | |||
20 | #define L1_CACHE_ALIGN(x) (((x)+(L1_CACHE_BYTES-1))&~(L1_CACHE_BYTES-1)) | ||
21 | #define SMP_CACHE_BYTES L1_CACHE_BYTES | ||
22 | |||
23 | #endif | ||