sh: Optimized copy_{to,from}_user_page() for SH-4.
[linux-2.6] / include / asm-sh / cpu-sh2 / cache.h
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
15 #if defined(CONFIG_CPU_SUBTYPE_SH7619)
16 #define CCR1            0xffffffec
17 #define CCR             CCR1
18
19 #define CCR_CACHE_CE    0x01    /* Cache enable */
20 #define CCR_CACHE_WT    0x06    /* CCR[bit1=1,bit2=1] */
21                                 /* 0x00000000-0x7fffffff: Write-through  */
22                                 /* 0x80000000-0x9fffffff: Write-back     */
23                                 /* 0xc0000000-0xdfffffff: Write-through  */
24 #define CCR_CACHE_CB    0x00    /* CCR[bit1=0,bit2=0] */
25                                 /* 0x00000000-0x7fffffff: Write-back     */
26                                 /* 0x80000000-0x9fffffff: Write-through  */
27                                 /* 0xc0000000-0xdfffffff: Write-back     */
28 #define CCR_CACHE_CF    0x08    /* Cache invalidate */
29
30 #define CACHE_OC_ADDRESS_ARRAY  0xf0000000
31 #define CACHE_OC_DATA_ARRAY     0xf1000000
32
33 #define CCR_CACHE_ENABLE        CCR_CACHE_CE
34 #define CCR_CACHE_INVALIDATE    CCR_CACHE_CF
35 #endif
36
37 #endif /* __ASM_CPU_SH2_CACHE_H */