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| 1 | /* SPDX-License-Identifier: GPL-2.0 |
|---|---|
| 2 | * |
| 3 | * include/asm-sh/cpu-sh3/cache.h |
| 4 | * |
| 5 | * Copyright (C) 1999 Niibe Yutaka |
| 6 | */ |
| 7 | #ifndef __ASM_CPU_SH3_CACHE_H |
| 8 | #define __ASM_CPU_SH3_CACHE_H |
| 9 | |
| 10 | #define L1_CACHE_SHIFT 4 |
| 11 | |
| 12 | #define SH_CACHE_VALID 1 |
| 13 | #define SH_CACHE_UPDATED 2 |
| 14 | #define SH_CACHE_COMBINED 4 |
| 15 | #define SH_CACHE_ASSOC 8 |
| 16 | |
| 17 | #define SH_CCR 0xffffffec /* Address of Cache Control Register */ |
| 18 | |
| 19 | #define CCR_CACHE_CE 0x01 /* Cache Enable */ |
| 20 | #define CCR_CACHE_WT 0x02 /* Write-Through (for P0,U0,P3) (else writeback) */ |
| 21 | #define CCR_CACHE_CB 0x04 /* Write-Back (for P1) (else writethrough) */ |
| 22 | #define CCR_CACHE_CF 0x08 /* Cache Flush */ |
| 23 | #define CCR_CACHE_ORA 0x20 /* RAM mode */ |
| 24 | |
| 25 | #define CACHE_OC_ADDRESS_ARRAY 0xf0000000 |
| 26 | #define CACHE_PHYSADDR_MASK 0x1ffffc00 |
| 27 | |
| 28 | #define CCR_CACHE_ENABLE CCR_CACHE_CE |
| 29 | #define CCR_CACHE_INVALIDATE CCR_CACHE_CF |
| 30 | |
| 31 | #if defined(CONFIG_CPU_SUBTYPE_SH7705) || \ |
| 32 | defined(CONFIG_CPU_SUBTYPE_SH7710) || \ |
| 33 | defined(CONFIG_CPU_SUBTYPE_SH7720) || \ |
| 34 | defined(CONFIG_CPU_SUBTYPE_SH7721) |
| 35 | #define CCR3_REG 0xa40000b4 |
| 36 | #define CCR_CACHE_16KB 0x00010000 |
| 37 | #define CCR_CACHE_32KB 0x00020000 |
| 38 | #endif |
| 39 | |
| 40 | #endif /* __ASM_CPU_SH3_CACHE_H */ |
| 41 |
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