aboutsummaryrefslogtreecommitdiffstats
path: root/arch/sh/include/cpu-sh3/cpu/cache.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/sh/include/cpu-sh3/cpu/cache.h')
-rw-r--r--arch/sh/include/cpu-sh3/cpu/cache.h43
1 files changed, 43 insertions, 0 deletions
diff --git a/arch/sh/include/cpu-sh3/cpu/cache.h b/arch/sh/include/cpu-sh3/cpu/cache.h
new file mode 100644
index 000000000000..bee2d81c56bf
--- /dev/null
+++ b/arch/sh/include/cpu-sh3/cpu/cache.h
@@ -0,0 +1,43 @@
+/*
+ * include/asm-sh/cpu-sh3/cache.h
+ *
+ * Copyright (C) 1999 Niibe Yutaka
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#ifndef __ASM_CPU_SH3_CACHE_H
+#define __ASM_CPU_SH3_CACHE_H
+
+#define L1_CACHE_SHIFT 4
+
+#define SH_CACHE_VALID 1
+#define SH_CACHE_UPDATED 2
+#define SH_CACHE_COMBINED 4
+#define SH_CACHE_ASSOC 8
+
+#define CCR 0xffffffec /* Address of Cache Control Register */
+
+#define CCR_CACHE_CE 0x01 /* Cache Enable */
+#define CCR_CACHE_WT 0x02 /* Write-Through (for P0,U0,P3) (else writeback) */
+#define CCR_CACHE_CB 0x04 /* Write-Back (for P1) (else writethrough) */
+#define CCR_CACHE_CF 0x08 /* Cache Flush */
+#define CCR_CACHE_ORA 0x20 /* RAM mode */
+
+#define CACHE_OC_ADDRESS_ARRAY 0xf0000000
+#define CACHE_PHYSADDR_MASK 0x1ffffc00
+
+#define CCR_CACHE_ENABLE CCR_CACHE_CE
+#define CCR_CACHE_INVALIDATE CCR_CACHE_CF
+
+#if defined(CONFIG_CPU_SUBTYPE_SH7705) || \
+ defined(CONFIG_CPU_SUBTYPE_SH7710) || \
+ defined(CONFIG_CPU_SUBTYPE_SH7720) || \
+ defined(CONFIG_CPU_SUBTYPE_SH7721)
+#define CCR3_REG 0xa40000b4
+#define CCR_CACHE_16KB 0x00010000
+#define CCR_CACHE_32KB 0x00020000
+#endif
+
+#endif /* __ASM_CPU_SH3_CACHE_H */