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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 */