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-rw-r--r--arch/sh/include/cpu-sh4/cpu/cache.h42
1 files changed, 42 insertions, 0 deletions
diff --git a/arch/sh/include/cpu-sh4/cpu/cache.h b/arch/sh/include/cpu-sh4/cpu/cache.h
new file mode 100644
index 0000000..1c61ebf
--- /dev/null
+++ b/arch/sh/include/cpu-sh4/cpu/cache.h
@@ -0,0 +1,42 @@
+/*
+ * include/asm-sh/cpu-sh4/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_SH4_CACHE_H
+#define __ASM_CPU_SH4_CACHE_H
+
+#define L1_CACHE_SHIFT 5
+
+#define SH_CACHE_VALID 1
+#define SH_CACHE_UPDATED 2
+#define SH_CACHE_COMBINED 4
+#define SH_CACHE_ASSOC 8
+
+#define CCR 0xff00001c /* Address of Cache Control Register */
+#define CCR_CACHE_OCE 0x0001 /* Operand Cache Enable */
+#define CCR_CACHE_WT 0x0002 /* Write-Through (for P0,U0,P3) (else writeback)*/
+#define CCR_CACHE_CB 0x0004 /* Copy-Back (for P1) (else writethrough) */
+#define CCR_CACHE_OCI 0x0008 /* OC Invalidate */
+#define CCR_CACHE_ORA 0x0020 /* OC RAM Mode */
+#define CCR_CACHE_OIX 0x0080 /* OC Index Enable */
+#define CCR_CACHE_ICE 0x0100 /* Instruction Cache Enable */
+#define CCR_CACHE_ICI 0x0800 /* IC Invalidate */
+#define CCR_CACHE_IIX 0x8000 /* IC Index Enable */
+#ifndef CONFIG_CPU_SH4A
+#define CCR_CACHE_EMODE 0x80000000 /* EMODE Enable */
+#endif
+
+/* Default CCR setup: 8k+16k-byte cache,P1-wb,enable */
+#define CCR_CACHE_ENABLE (CCR_CACHE_OCE|CCR_CACHE_ICE)
+#define CCR_CACHE_INVALIDATE (CCR_CACHE_OCI|CCR_CACHE_ICI)
+
+#define CACHE_IC_ADDRESS_ARRAY 0xf0000000
+#define CACHE_OC_ADDRESS_ARRAY 0xf4000000
+
+#endif /* __ASM_CPU_SH4_CACHE_H */
+