first commit

1 files changed, 22 insertions, 0 deletions

diff --git a/arch/alpha/include/asm/cache.h b/arch/alpha/include/asm/cache.h
new file mode 100644
index 000000000..ad368a93a
--- /dev/null
+++ b/arch/alpha/include/asm/cache.h
@@ -0,0 +1,22 @@
+/*
+ * include/asm-alpha/cache.h
+ */
+#ifndef __ARCH_ALPHA_CACHE_H
+#define __ARCH_ALPHA_CACHE_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 SMP_CACHE_BYTES    L1_CACHE_BYTES
+
+#endif