diff options
Diffstat (limited to 'include/asm-alpha/cache.h')
| -rw-r--r-- | include/asm-alpha/cache.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/include/asm-alpha/cache.h b/include/asm-alpha/cache.h new file mode 100644 index 00000000000..e69b29501a5 --- /dev/null +++ b/include/asm-alpha/cache.h @@ -0,0 +1,25 @@ +/* + * include/asm-alpha/cache.h + */ +#ifndef __ARCH_ALPHA_CACHE_H +#define __ARCH_ALPHA_CACHE_H + +#include <linux/config.h> + +/* Bytes per L1 (data) cache line. */ +#if defined(CONFIG_ALPHA_GENERIC) || defined(CONFIG_ALPHA_EV6) +# define L1_CACHE_BYTES 64 +# define L1_CACHE_SHIFT 6 +#else +/* Both EV4 and EV5 are write-through, read-allocate, + direct-mapped, physical. +*/ +# define L1_CACHE_BYTES 32 +# define L1_CACHE_SHIFT 5 +#endif + +#define L1_CACHE_ALIGN(x) (((x)+(L1_CACHE_BYTES-1))&~(L1_CACHE_BYTES-1)) +#define SMP_CACHE_BYTES L1_CACHE_BYTES +#define L1_CACHE_SHIFT_MAX L1_CACHE_SHIFT + +#endif |