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Diffstat (limited to 'include/asm-sh/cpu-sh3/cache.h')
| -rw-r--r-- | include/asm-sh/cpu-sh3/cache.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/include/asm-sh/cpu-sh3/cache.h b/include/asm-sh/cpu-sh3/cache.h new file mode 100644 index 0000000..406aa8d --- /dev/null +++ b/include/asm-sh/cpu-sh3/cache.h @@ -0,0 +1,37 @@ +/* + * 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 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) +#define CCR3 0xa40000b4 +#define CCR_CACHE_16KB 0x00010000 +#define CCR_CACHE_32KB 0x00020000 +#endif + + +#endif /* __ASM_CPU_SH3_CACHE_H */ + |
