cache.h

linux 内核源代码

/*
 * include/asm-sh/cpu-sh2a/cache.h
 *
 * Copyright (C) 2004 Paul Mundt
 *
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file "COPYING" in the main directory of this archive
 * for more details.
 */
#ifndef __ASM_CPU_SH2A_CACHE_H
#define __ASM_CPU_SH2A_CACHE_H

#define L1_CACHE_SHIFT	4

#define CCR1		0xfffc1000
#define CCR2		0xfffc1004

/* CCR1 behaves more like the traditional CCR */
#define CCR		CCR1

/*
 * Most of the SH-2A CCR1 definitions resemble the SH-4 ones. All others not
 * listed here are reserved.
 */
#define CCR_CACHE_CB	0x0000	/* Hack */
#define CCR_CACHE_OCE	0x0001
#define CCR_CACHE_WT	0x0002
#define CCR_CACHE_OCI	0x0008	/* OCF */
#define CCR_CACHE_ICE	0x0100
#define CCR_CACHE_ICI	0x0800	/* ICF */

#define CACHE_IC_ADDRESS_ARRAY	0xf0000000
#define CACHE_OC_ADDRESS_ARRAY	0xf0800000

#define CCR_CACHE_ENABLE	(CCR_CACHE_OCE | CCR_CACHE_ICE)
#define CCR_CACHE_INVALIDATE	(CCR_CACHE_OCI | CCR_CACHE_ICI)

#endif /* __ASM_CPU_SH2A_CACHE_H */