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Diffstat (limited to 'arch/m68k/include/asm/cache.h')
| -rw-r--r-- | arch/m68k/include/asm/cache.h | 210 |
1 files changed, 210 insertions, 0 deletions
diff --git a/arch/m68k/include/asm/cache.h b/arch/m68k/include/asm/cache.h new file mode 100644 index 0000000..7c84e48 --- /dev/null +++ b/arch/m68k/include/asm/cache.h @@ -0,0 +1,210 @@ +/* + * ColdFire cache + * + * Copyright (C) 2004-2010 Freescale Semiconductor, Inc. + * TsiChung Liew (Tsi-Chung.Liew@freescale.com) + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#ifndef __CACHE_H +#define __CACHE_H + +#if defined(CONFIG_MCF520x) || defined(CONFIG_MCF523x) || \ + defined(CONFIG_MCF52x2) || defined(CONFIG_MCF5227x) +#define CONFIG_CF_V2 +#endif + +#if defined(CONFIG_MCF532x) || defined(CONFIG_MCF5301x) +#define CONFIG_CF_V3 +#endif + +#if defined(CONFIG_MCF547x_8x) || defined(CONFIG_MCF5445x) +#define CONFIG_CF_V4 +#if defined(CONFIG_MCF5441x) +#define CONFIG_CF_V4E /* Four Extra ACRn */ +#endif +#endif + +/* ***** CACR ***** */ +/* V2 Core */ +#ifdef CONFIG_CF_V2 + +#define CF_CACR_CENB (1 << 31) +#define CF_CACR_CPD (1 << 28) +#define CF_CACR_CFRZ (1 << 27) +#define CF_CACR_CEIB (1 << 10) +#define CF_CACR_DCM (1 << 9) +#define CF_CACR_DBWE (1 << 8) + +#if defined(CONFIG_MCF5249) || defined(CONFIG_MCF5253) +#define CF_CACR_DWP (1 << 6) +#else +#define CF_CACR_CINV (1 << 24) +#define CF_CACR_DISI (1 << 23) +#define CF_CACR_DISD (1 << 22) +#define CF_CACR_INVI (1 << 21) +#define CF_CACR_INVD (1 << 20) +#define CF_CACR_DWP (1 << 5) +#define CF_CACR_EUSP (1 << 4) +#endif /* CONFIG_MCF5249 || CONFIG_MCF5253 */ + +#endif /* CONFIG_CF_V2 */ + +/* V3 Core */ +#ifdef CONFIG_CF_V3 + +#define CF_CACR_EC (1 << 31) +#define CF_CACR_ESB (1 << 29) +#define CF_CACR_DPI (1 << 28) +#define CF_CACR_HLCK (1 << 27) +#define CF_CACR_CINVA (1 << 24) +#define CF_CACR_DNFB (1 << 10) +#define CF_CACR_DCM_UNMASK 0xFFFFFCFF +#define CF_CACR_DCM_WT (0 << 8) +#define CF_CACR_DCM_CB (1 << 8) +#define CF_CACR_DCM_P (2 << 8) +#define CF_CACR_DCM_IP (3 << 8) +#define CF_CACR_DW (1 << 5) +#define CF_CACR_EUSP (1 << 4) + +#endif /* CONFIG_CF_V3 */ + +/* V4 Core */ +#ifdef CONFIG_CF_V4 + +#define CF_CACR_DEC (1 << 31) +#define CF_CACR_DW (1 << 30) +#define CF_CACR_DESB (1 << 29) +#define CF_CACR_DDPI (1 << 28) +#define CF_CACR_DHLCK (1 << 27) +#define CF_CACR_DDCM_UNMASK (0xF9FFFFFF) +#define CF_CACR_DDCM_WT (0 << 25) +#define CF_CACR_DDCM_CB (1 << 25) +#define CF_CACR_DDCM_P (2 << 25) +#define CF_CACR_DDCM_IP (3 << 25) +#define CF_CACR_DCINVA (1 << 24) + +#define CF_CACR_DDSP (1 << 23) +#define CF_CACR_BEC (1 << 19) +#define CF_CACR_BCINVA (1 << 18) +#define CF_CACR_IEC (1 << 15) +#define CF_CACR_DNFB (1 << 13) +#define CF_CACR_IDPI (1 << 12) +#define CF_CACR_IHLCK (1 << 11) +#define CF_CACR_IDCM (1 << 10) +#define CF_CACR_ICINVA (1 << 8) +#define CF_CACR_IDSP (1 << 7) +#define CF_CACR_EUSP (1 << 5) + +#ifdef CONFIG_MCF5445x +#define CF_CACR_IVO (1 << 20) +#define CF_CACR_SPA (1 << 14) +#else +#define CF_CACR_DF (1 << 4) +#endif + +#endif /* CONFIG_CF_V4 */ + +/* ***** ACR ***** */ +#define CF_ACR_ADR_UNMASK (0x00FFFFFF) +#define CF_ACR_ADR(x) ((x & 0xFF) << 24) +#define CF_ACR_ADRMSK_UNMASK (0xFF00FFFF) +#define CF_ACR_ADRMSK(x) ((x & 0xFF) << 16) +#define CF_ACR_EN (1 << 15) +#define CF_ACR_SM_UNMASK (0xFFFF9FFF) +#define CF_ACR_SM_UM (0 << 13) +#define CF_ACR_SM_SM (1 << 13) +#define CF_ACR_SM_ALL (3 << 13) +#define CF_ACR_WP (1 << 2) + +/* V2 Core */ +#ifdef CONFIG_CF_V2 +#define CF_ACR_CM (1 << 6) +#define CF_ACR_BWE (1 << 5) +#else +/* V3 & V4 */ +#define CF_ACR_CM_UNMASK (0xFFFFFF9F) +#define CF_ACR_CM_WT (0 << 5) +#define CF_ACR_CM_CB (1 << 5) +#define CF_ACR_CM_P (2 << 5) +#define CF_ACR_CM_IP (3 << 5) +#endif /* CONFIG_CF_V2 */ + +/* V4 Core */ +#ifdef CONFIG_CF_V4 +#define CF_ACR_AMM (1 << 10) +#define CF_ACR_SP (1 << 3) +#endif /* CONFIG_CF_V4 */ + + +#ifndef CONFIG_SYS_CACHE_ICACR +#define CONFIG_SYS_CACHE_ICACR 0 +#endif + +#ifndef CONFIG_SYS_CACHE_DCACR +#ifdef CONFIG_SYS_CACHE_ICACR +#define CONFIG_SYS_CACHE_DCACR CONFIG_SYS_CACHE_ICACR +#else +#define CONFIG_SYS_CACHE_DCACR 0 +#endif +#endif + +#ifndef CONFIG_SYS_CACHE_ACR0 +#define CONFIG_SYS_CACHE_ACR0 0 +#endif + +#ifndef CONFIG_SYS_CACHE_ACR1 +#define CONFIG_SYS_CACHE_ACR1 0 +#endif + +#ifndef CONFIG_SYS_CACHE_ACR2 +#define CONFIG_SYS_CACHE_ACR2 0 +#endif + +#ifndef CONFIG_SYS_CACHE_ACR3 +#define CONFIG_SYS_CACHE_ACR3 0 +#endif + +#ifndef CONFIG_SYS_CACHE_ACR4 +#define CONFIG_SYS_CACHE_ACR4 0 +#endif + +#ifndef CONFIG_SYS_CACHE_ACR5 +#define CONFIG_SYS_CACHE_ACR5 0 +#endif + +#ifndef CONFIG_SYS_CACHE_ACR6 +#define CONFIG_SYS_CACHE_ACR6 0 +#endif + +#ifndef CONFIG_SYS_CACHE_ACR7 +#define CONFIG_SYS_CACHE_ACR7 0 +#endif + +#define CF_ADDRMASK(x) (((x > 0x10) ? ((x >> 4) - 1) : (x)) << 16) + +#ifndef __ASSEMBLY__ /* put C only stuff in this section */ + +void icache_invalid(void); +void dcache_invalid(void); + +#endif + +#endif /* __CACHE_H */ |