/* * include/asm-sh/cpu-sh2/cache.h * * Copyright (C) 2003 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_SH2_CACHE_H #define __ASM_CPU_SH2_CACHE_H #define L1_CACHE_SHIFT 4 #if defined(CONFIG_CPU_SUBTYPE_SH7604) #define CCR 0xfffffe92 /* Address of Cache Control Register */ #define CCR_CACHE_CE 0x01 /* Cache enable */ #define CCR_CACHE_ID 0x02 /* Instruction Replacement disable */ #define CCR_CACHE_OD 0x04 /* Data Replacement disable */ #define CCR_CACHE_TW 0x08 /* Two-way mode */ #define CCR_CACHE_CP 0x10 /* Cache purge */ #define CACHE_OC_ADDRESS_ARRAY 0x60000000 #define CCR_CACHE_ENABLE CCR_CACHE_CE #define CCR_CACHE_INVALIDATE CCR_CACHE_CP #define CCR_CACHE_ORA CCR_CACHE_TW #define CCR_CACHE_WT 0x00 /* SH-2 is _always_ write-through */ #elif defined(CONFIG_CPU_SUBTYPE_SH7619) #define CCR1 0xffffffec #define CCR CCR1 #define CCR_CACHE_CE 0x01 /* Cache enable */ #define CCR_CACHE_WT 0x06 /* CCR[bit1=1,bit2=1] */ /* 0x00000000-0x7fffffff: Write-through */ /* 0x80000000-0x9fffffff: Write-back */ /* 0xc0000000-0xdfffffff: Write-through */ #define CCR_CACHE_CB 0x00 /* CCR[bit1=0,bit2=0] */ /* 0x00000000-0x7fffffff: Write-back */ /* 0x80000000-0x9fffffff: Write-through */ /* 0xc0000000-0xdfffffff: Write-back */ #define CCR_CACHE_CF 0x08 /* Cache invalidate */ #define CACHE_OC_ADDRESS_ARRAY 0xf0000000 #define CACHE_OC_DATA_ARRAY 0xf1000000 #define CCR_CACHE_ENABLE CCR_CACHE_CE #define CCR_CACHE_INVALIDATE CCR_CACHE_CF #endif #endif /* __ASM_CPU_SH2_CACHE_H */