1 files changed, 48 insertions, 0 deletions

diff --git a/include/asm-sh/cache.h b/include/asm-sh/cache.h
new file mode 100644
index 000000000000..9b4dd6d8212e
--- /dev/null
+++ b/include/asm-sh/cache.h
@@ -0,0 +1,48 @@
+/* $Id: cache.h,v 1.6 2004/03/11 18:08:05 lethal Exp $
+ *
+ * include/asm-sh/cache.h
+ *
+ * Copyright 1999 (C) Niibe Yutaka
+ * Copyright 2002, 2003 (C) Paul Mundt
+ */
+#ifndef __ASM_SH_CACHE_H
+#define __ASM_SH_CACHE_H
+#ifdef __KERNEL__
+
+#include <asm/cpu/cache.h>
+#include <asm/cpu/cacheflush.h>
+
+#define SH_CACHE_VALID          1
+#define SH_CACHE_UPDATED        2
+#define SH_CACHE_COMBINED       4
+#define SH_CACHE_ASSOC          8
+
+#define L1_CACHE_BYTES          (1 << L1_CACHE_SHIFT)
+#define SMP_CACHE_BYTES         L1_CACHE_BYTES
+
+#define L1_CACHE_ALIGN(x)       (((x)+(L1_CACHE_BYTES-1))&~(L1_CACHE_BYTES-1))
+
+#define L1_CACHE_SHIFT_MAX      5       /* largest L1 which this arch supports */
+
+struct cache_info {
+        unsigned int ways;
+        unsigned int sets;
+        unsigned int linesz;
+
+        unsigned int way_incr;
+
+        unsigned int entry_shift;
+        unsigned int entry_mask;
+
+        unsigned long flags;
+};
+
+/* Flush (write-back only) a region (smaller than a page) */
+extern void __flush_wback_region(void *start, int size);
+/* Flush (write-back & invalidate) a region (smaller than a page) */
+extern void __flush_purge_region(void *start, int size);
+/* Flush (invalidate only) a region (smaller than a page) */
+extern void __flush_invalidate_region(void *start, int size);
+
+#endif /* __KERNEL__ */
+#endif /* __ASM_SH_CACHE_H */