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authorPaul Mundt <lethal@linux-sh.org>2008-07-29 01:09:44 +0200
committerPaul Mundt <lethal@linux-sh.org>2008-07-29 01:09:44 +0200
commitf15cbe6f1a4b4d9df59142fc8e4abb973302cf44 (patch)
tree774d7b11abaaf33561ab8268bf51ddd9ceb79025 /arch/sh/include/cpu-sh4/cpu/cache.h
parentvideo: Kill off leaked CONFIG_FB_SH7343VOU reference. (diff)
downloadlinux-f15cbe6f1a4b4d9df59142fc8e4abb973302cf44.tar.xz
linux-f15cbe6f1a4b4d9df59142fc8e4abb973302cf44.zip
sh: migrate to arch/sh/include/
This follows the sparc changes a439fe51a1f8eb087c22dd24d69cebae4a3addac. Most of the moving about was done with Sam's directions at: http://marc.info/?l=linux-sh&m=121724823706062&w=2 with subsequent hacking and fixups entirely my fault. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/include/cpu-sh4/cpu/cache.h')
-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 000000000000..1c61ebf5c8e3
--- /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 */
+