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-rw-r--r--arch/alpha/include/asm/cache.h22
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 00000000..ad368a93
--- /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