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/*
* 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
/*
* m68k uses 16 byte L1 data cache line sizes. Use this for DMA buffer
* alignment unless the board configuration has specified a new value.
*/
#ifdef CONFIG_SYS_CACHELINE_SIZE
#define ARCH_DMA_MINALIGN CONFIG_SYS_CACHELINE_SIZE
#else
#define ARCH_DMA_MINALIGN 16
#endif
#endif /* __CACHE_H */
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