PageRenderTime 19ms CodeModel.GetById 17ms app.highlight 1ms RepoModel.GetById 0ms app.codeStats 0ms

/arch/sh/include/cpu-sh4/cpu/cache.h

https://bitbucket.org/ndreys/linux-sunxi
C++ Header | 44 lines | 26 code | 8 blank | 10 comment | 0 complexity | 26022bc43afe2c1f6012d6f1d068c4b5 MD5 | raw file
Possible License(s): GPL-2.0, LGPL-2.0, AGPL-1.0
 1/*
 2 * include/asm-sh/cpu-sh4/cache.h
 3 *
 4 * Copyright (C) 1999 Niibe Yutaka
 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_SH4_CACHE_H
11#define __ASM_CPU_SH4_CACHE_H
12
13#define L1_CACHE_SHIFT	5
14
15#define SH_CACHE_VALID		1
16#define SH_CACHE_UPDATED	2
17#define SH_CACHE_COMBINED	4
18#define SH_CACHE_ASSOC		8
19
20#define CCR		0xff00001c	/* Address of Cache Control Register */
21#define CCR_CACHE_OCE	0x0001	/* Operand Cache Enable */
22#define CCR_CACHE_WT	0x0002	/* Write-Through (for P0,U0,P3) (else writeback)*/
23#define CCR_CACHE_CB	0x0004	/* Copy-Back (for P1) (else writethrough) */
24#define CCR_CACHE_OCI	0x0008	/* OC Invalidate */
25#define CCR_CACHE_ORA	0x0020	/* OC RAM Mode */
26#define CCR_CACHE_OIX	0x0080	/* OC Index Enable */
27#define CCR_CACHE_ICE	0x0100	/* Instruction Cache Enable */
28#define CCR_CACHE_ICI	0x0800	/* IC Invalidate */
29#define CCR_CACHE_IIX	0x8000	/* IC Index Enable */
30#ifndef CONFIG_CPU_SH4A
31#define CCR_CACHE_EMODE	0x80000000	/* EMODE Enable */
32#endif
33
34/* Default CCR setup: 8k+16k-byte cache,P1-wb,enable */
35#define CCR_CACHE_ENABLE	(CCR_CACHE_OCE|CCR_CACHE_ICE)
36#define CCR_CACHE_INVALIDATE	(CCR_CACHE_OCI|CCR_CACHE_ICI)
37
38#define CACHE_IC_ADDRESS_ARRAY	0xf0000000
39#define CACHE_OC_ADDRESS_ARRAY	0xf4000000
40
41#define RAMCR			0xFF000074
42
43#endif /* __ASM_CPU_SH4_CACHE_H */
44