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authorSteve French <sfrench@us.ibm.com>2008-02-15 21:06:08 +0000
committerSteve French <sfrench@us.ibm.com>2008-02-15 21:06:08 +0000
commit0a3abcf75bf391fec4e32356ab5ddb8f5d2e6b41 (patch)
treeb80b1d344ec24cad28b057ef803cebac9434be01 /include/asm-mn10300/proc-mn103e010/cache.h
parent70eff55d2d979cca700aa6906494f0c474f3f7ff (diff)
parent101142c37be8e5af9b847860219217e6b958c739 (diff)
downloadop-kernel-dev-0a3abcf75bf391fec4e32356ab5ddb8f5d2e6b41.zip
op-kernel-dev-0a3abcf75bf391fec4e32356ab5ddb8f5d2e6b41.tar.gz
Merge branch 'master' of /pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'include/asm-mn10300/proc-mn103e010/cache.h')
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diff --git a/include/asm-mn10300/proc-mn103e010/cache.h b/include/asm-mn10300/proc-mn103e010/cache.h
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+/* MN103E010 Cache specification
+ *
+ * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
+ * Written by David Howells (dhowells@redhat.com)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public Licence
+ * as published by the Free Software Foundation; either version
+ * 2 of the Licence, or (at your option) any later version.
+ */
+#ifndef _ASM_PROC_CACHE_H
+#define _ASM_PROC_CACHE_H
+
+/* L1 cache */
+
+#define L1_CACHE_NWAYS 4 /* number of ways in caches */
+#define L1_CACHE_NENTRIES 256 /* number of entries in each way */
+#define L1_CACHE_BYTES 16 /* bytes per entry */
+#define L1_CACHE_SHIFT 4 /* shift for bytes per entry */
+#define L1_CACHE_WAYDISP 0x1000 /* displacement of one way from the next */
+
+#define L1_CACHE_TAG_VALID 0x00000001 /* cache tag valid bit */
+#define L1_CACHE_TAG_DIRTY 0x00000008 /* data cache tag dirty bit */
+#define L1_CACHE_TAG_ENTRY 0x00000ff0 /* cache tag entry address mask */
+#define L1_CACHE_TAG_ADDRESS 0xfffff000 /* cache tag line address mask */
+
+/*
+ * specification of the interval between interrupt checking intervals whilst
+ * managing the cache with the interrupts disabled
+ */
+#define MN10300_DCACHE_INV_RANGE_INTR_LOG2_INTERVAL 4
+
+#endif /* _ASM_PROC_CACHE_H */
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