cache.h

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/*
 * include/asm-sh/cpu-sh4/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_SH4_CACHE_H
#define __ASM_CPU_SH4_CACHE_H

#define L1_CACHE_SHIFT  5

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

#define CCR     0xff00001c  /* Address of Cache Control Register */
#define CCR_CACHE_OCE   0x0001  /* Operand Cache Enable */
#define CCR_CACHE_WT    0x0002  /* Write-Through (for P0,U0,P3) (else writeback)*/
#define CCR_CACHE_CB    0x0004  /* Copy-Back (for P1) (else writethrough) */
#define CCR_CACHE_OCI   0x0008  /* OC Invalidate */
#define CCR_CACHE_ORA   0x0020  /* OC RAM Mode */
#define CCR_CACHE_OIX   0x0080  /* OC Index Enable */
#define CCR_CACHE_ICE   0x0100  /* Instruction Cache Enable */
#define CCR_CACHE_ICI   0x0800  /* IC Invalidate */
#define CCR_CACHE_IIX   0x8000  /* IC Index Enable */
#ifndef CONFIG_CPU_SH4A
#define CCR_CACHE_EMODE 0x80000000  /* EMODE Enable */
#endif

/* Default CCR setup: 8k+16k-byte cache,P1-wb,enable */
#define CCR_CACHE_ENABLE    (CCR_CACHE_OCE|CCR_CACHE_ICE)
#define CCR_CACHE_INVALIDATE    (CCR_CACHE_OCI|CCR_CACHE_ICI)

#define CACHE_IC_ADDRESS_ARRAY  0xf0000000
#define CACHE_OC_ADDRESS_ARRAY  0xf4000000

#define RAMCR           0xFF000074

#endif /* __ASM_CPU_SH4_CACHE_H */