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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 SH_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 */
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