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1 | /* |
2 | * include/asm-sh/cpu-sh2/cache.h | |
3 | * | |
4 | * Copyright (C) 2003 Paul Mundt | |
5 | * | |
6 | * This file is subject to the terms and conditions of the GNU General Public | |
7 | * License. See the file "COPYING" in the main directory of this archive | |
8 | * for more details. | |
9 | */ | |
10 | #ifndef __ASM_CPU_SH2_CACHE_H | |
11 | #define __ASM_CPU_SH2_CACHE_H | |
12 | ||
13 | #define L1_CACHE_SHIFT 4 | |
14 | ||
b229632a | 15 | #if defined(CONFIG_CPU_SUBTYPE_SH7604) |
1da177e4 LT |
16 | #define CCR 0xfffffe92 /* Address of Cache Control Register */ |
17 | ||
18 | #define CCR_CACHE_CE 0x01 /* Cache enable */ | |
19 | #define CCR_CACHE_ID 0x02 /* Instruction Replacement disable */ | |
20 | #define CCR_CACHE_OD 0x04 /* Data Replacement disable */ | |
21 | #define CCR_CACHE_TW 0x08 /* Two-way mode */ | |
22 | #define CCR_CACHE_CP 0x10 /* Cache purge */ | |
23 | ||
24 | #define CACHE_OC_ADDRESS_ARRAY 0x60000000 | |
25 | ||
26 | #define CCR_CACHE_ENABLE CCR_CACHE_CE | |
27 | #define CCR_CACHE_INVALIDATE CCR_CACHE_CP | |
28 | #define CCR_CACHE_ORA CCR_CACHE_TW | |
29 | #define CCR_CACHE_WT 0x00 /* SH-2 is _always_ write-through */ | |
30 | ||
b229632a YS |
31 | #elif defined(CONFIG_CPU_SUBTYPE_SH7619) |
32 | #define CCR1 0xffffffec | |
33 | #define CCR CCR1 | |
34 | ||
35 | #define CCR_CACHE_CE 0x01 /* Cache enable */ | |
36 | #define CCR_CACHE_WT 0x06 /* CCR[bit1=1,bit2=1] */ | |
37 | /* 0x00000000-0x7fffffff: Write-through */ | |
38 | /* 0x80000000-0x9fffffff: Write-back */ | |
39 | /* 0xc0000000-0xdfffffff: Write-through */ | |
40 | #define CCR_CACHE_CB 0x00 /* CCR[bit1=0,bit2=0] */ | |
41 | /* 0x00000000-0x7fffffff: Write-back */ | |
42 | /* 0x80000000-0x9fffffff: Write-through */ | |
43 | /* 0xc0000000-0xdfffffff: Write-back */ | |
44 | #define CCR_CACHE_CF 0x08 /* Cache invalidate */ | |
45 | ||
46 | #define CACHE_OC_ADDRESS_ARRAY 0xf0000000 | |
47 | #define CACHE_OC_DATA_ARRAY 0xf1000000 | |
48 | ||
49 | #define CCR_CACHE_ENABLE CCR_CACHE_CE | |
50 | #define CCR_CACHE_INVALIDATE CCR_CACHE_CF | |
51 | #endif | |
1da177e4 LT |
52 | #endif /* __ASM_CPU_SH2_CACHE_H */ |
53 |