diff options
Diffstat (limited to 'arch/sh/include/cpu-sh2/cpu/cache.h')
| -rw-r--r-- | arch/sh/include/cpu-sh2/cpu/cache.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/arch/sh/include/cpu-sh2/cpu/cache.h b/arch/sh/include/cpu-sh2/cpu/cache.h new file mode 100644 index 0000000..4e0b165 --- /dev/null +++ b/arch/sh/include/cpu-sh2/cpu/cache.h @@ -0,0 +1,41 @@ +/* + * include/asm-sh/cpu-sh2/cache.h + * + * Copyright (C) 2003 Paul Mundt + * + * 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_SH2_CACHE_H +#define __ASM_CPU_SH2_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 + +#if defined(CONFIG_CPU_SUBTYPE_SH7619) +#define CCR 0xffffffec + +#define CCR_CACHE_CE 0x01 /* Cache enable */ +#define CCR_CACHE_WT 0x06 /* CCR[bit1=1,bit2=1] */ + /* 0x00000000-0x7fffffff: Write-through */ + /* 0x80000000-0x9fffffff: Write-back */ + /* 0xc0000000-0xdfffffff: Write-through */ +#define CCR_CACHE_CB 0x00 /* CCR[bit1=0,bit2=0] */ + /* 0x00000000-0x7fffffff: Write-back */ + /* 0x80000000-0x9fffffff: Write-through */ + /* 0xc0000000-0xdfffffff: Write-back */ +#define CCR_CACHE_CF 0x08 /* Cache invalidate */ + +#define CACHE_OC_ADDRESS_ARRAY 0xf0000000 +#define CACHE_OC_DATA_ARRAY 0xf1000000 + +#define CCR_CACHE_ENABLE CCR_CACHE_CE +#define CCR_CACHE_INVALIDATE CCR_CACHE_CF +#endif + +#endif /* __ASM_CPU_SH2_CACHE_H */ |
