diff options
Diffstat (limited to 'arch/sh/include/cpu-sh3/cpu/cache.h')
| -rw-r--r-- | arch/sh/include/cpu-sh3/cpu/cache.h | 40 |
1 files changed, 40 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 000000000..f57124826 --- /dev/null +++ b/arch/sh/include/cpu-sh3/cpu/cache.h @@ -0,0 +1,40 @@ +/* SPDX-License-Identifier: GPL-2.0 + * + * include/asm-sh/cpu-sh3/cache.h + * + * Copyright (C) 1999 Niibe Yutaka + */ +#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 SH_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 */ |