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cache.h

/*
 * include/asm-sh/cpu-sh3/cache.h
 *
 * Copyright (C) 1999 Niibe Yutaka
 *
 * 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_SH3_CACHE_H
#define __ASM_CPU_SH3_CACHE_H

#define L1_CACHE_SHIFT  4

#define SH_CACHE_VALID        1
#define SH_CACHE_UPDATED      2
#define SH_CACHE_COMBINED     4
#define SH_CACHE_ASSOC        8

#define CCR       0xffffffec  /* Address of Cache Control Register */

#define CCR_CACHE_CE    0x01  /* Cache Enable */
#define CCR_CACHE_WT    0x02  /* Write-Through (for P0,U0,P3) (else writeback) */
#define CCR_CACHE_CB    0x04  /* Write-Back (for P1) (else writethrough) */
#define CCR_CACHE_CF    0x08  /* Cache Flush */
#define CCR_CACHE_ORA   0x20  /* RAM mode */

#define CACHE_OC_ADDRESS_ARRAY      0xf0000000
#define CACHE_PHYSADDR_MASK   0x1ffffc00

#define CCR_CACHE_ENABLE      CCR_CACHE_CE
#define CCR_CACHE_INVALIDATE  CCR_CACHE_CF

#if defined(CONFIG_CPU_SUBTYPE_SH7705) || \
    defined(CONFIG_CPU_SUBTYPE_SH7710) || \
    defined(CONFIG_CPU_SUBTYPE_SH7720) || \
    defined(CONFIG_CPU_SUBTYPE_SH7721)
#define CCR3_REG  0xa40000b4
#define CCR_CACHE_16KB  0x00010000
#define CCR_CACHE_32KB  0x00020000
#endif

#endif /* __ASM_CPU_SH3_CACHE_H */

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