aboutsummaryrefslogtreecommitdiffstats
path: root/include/asm-alpha/cache.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-alpha/cache.h')
-rw-r--r--include/asm-alpha/cache.h25
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 000000000000..e69b29501a5f
--- /dev/null
+++ b/include/asm-alpha/cache.h
@@ -0,0 +1,25 @@
1/*
2 * include/asm-alpha/cache.h
3 */
4#ifndef __ARCH_ALPHA_CACHE_H
5#define __ARCH_ALPHA_CACHE_H
6
7#include <linux/config.h>
8
9/* Bytes per L1 (data) cache line. */
10#if defined(CONFIG_ALPHA_GENERIC) || defined(CONFIG_ALPHA_EV6)
11# define L1_CACHE_BYTES 64
12# define L1_CACHE_SHIFT 6
13#else
14/* Both EV4 and EV5 are write-through, read-allocate,
15 direct-mapped, physical.
16*/
17# define L1_CACHE_BYTES 32
18# define L1_CACHE_SHIFT 5
19#endif
20
21#define L1_CACHE_ALIGN(x) (((x)+(L1_CACHE_BYTES-1))&~(L1_CACHE_BYTES-1))
22#define SMP_CACHE_BYTES L1_CACHE_BYTES
23#define L1_CACHE_SHIFT_MAX L1_CACHE_SHIFT
24
25#endif