aboutsummaryrefslogtreecommitdiff
path: root/include/asm-mn10300/proc-mn103e010/cache.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-mn10300/proc-mn103e010/cache.h')
-rw-r--r--include/asm-mn10300/proc-mn103e010/cache.h33
1 files changed, 33 insertions, 0 deletions
diff --git a/include/asm-mn10300/proc-mn103e010/cache.h b/include/asm-mn10300/proc-mn103e010/cache.h
new file mode 100644
index 00000000000..bdc1f9a59b4
--- /dev/null
+++ b/include/asm-mn10300/proc-mn103e010/cache.h
@@ -0,0 +1,33 @@
+/* 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 */