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-rw-r--r--include/asm-ppc64/cache.h36
1 files changed, 36 insertions, 0 deletions
diff --git a/include/asm-ppc64/cache.h b/include/asm-ppc64/cache.h
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+++ b/include/asm-ppc64/cache.h
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+/*
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+#ifndef __ARCH_PPC64_CACHE_H
+#define __ARCH_PPC64_CACHE_H
+
+#include <asm/types.h>
+
+/* bytes per L1 cache line */
+#define L1_CACHE_SHIFT 7
+#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
+
+#define SMP_CACHE_BYTES L1_CACHE_BYTES
+#define L1_CACHE_SHIFT_MAX 7 /* largest L1 which this arch supports */
+
+#ifndef __ASSEMBLY__
+
+struct ppc64_caches {
+ u32 dsize; /* L1 d-cache size */
+ u32 dline_size; /* L1 d-cache line size */
+ u32 log_dline_size;
+ u32 dlines_per_page;
+ u32 isize; /* L1 i-cache size */
+ u32 iline_size; /* L1 i-cache line size */
+ u32 log_iline_size;
+ u32 ilines_per_page;
+};
+
+extern struct ppc64_caches ppc64_caches;
+
+#endif
+
+#endif
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