1 /* 2 * ColdFire cache 3 * 4 * Copyright 2004-2012 Freescale Semiconductor, Inc. 5 * TsiChung Liew (Tsi-Chung.Liew@freescale.com) 6 * 7 * SPDX-License-Identifier: GPL-2.0+ 8 */ 9 10 #ifndef __CACHE_H 11 #define __CACHE_H 12 13 #if defined(CONFIG_MCF520x) || defined(CONFIG_MCF523x) || \ 14 defined(CONFIG_MCF52x2) || defined(CONFIG_MCF5227x) 15 #define CONFIG_CF_V2 16 #endif 17 18 #if defined(CONFIG_MCF532x) || defined(CONFIG_MCF5301x) 19 #define CONFIG_CF_V3 20 #endif 21 22 #if defined(CONFIG_MCF547x_8x) || defined(CONFIG_MCF5445x) 23 #define CONFIG_CF_V4 24 #elif defined(CONFIG_MCF5441x) 25 #define CONFIG_CF_V4E /* Four Extra ACRn */ 26 #endif 27 28 /* ***** CACR ***** */ 29 /* V2 Core */ 30 #ifdef CONFIG_CF_V2 31 32 #define CF_CACR_CENB (1 << 31) 33 #define CF_CACR_CPD (1 << 28) 34 #define CF_CACR_CFRZ (1 << 27) 35 #define CF_CACR_CEIB (1 << 10) 36 #define CF_CACR_DCM (1 << 9) 37 #define CF_CACR_DBWE (1 << 8) 38 39 #if defined(CONFIG_MCF5249) || defined(CONFIG_MCF5253) 40 #define CF_CACR_DWP (1 << 6) 41 #else 42 #define CF_CACR_CINV (1 << 24) 43 #define CF_CACR_DISI (1 << 23) 44 #define CF_CACR_DISD (1 << 22) 45 #define CF_CACR_INVI (1 << 21) 46 #define CF_CACR_INVD (1 << 20) 47 #define CF_CACR_DWP (1 << 5) 48 #define CF_CACR_EUSP (1 << 4) 49 #endif /* CONFIG_MCF5249 || CONFIG_MCF5253 */ 50 51 #endif /* CONFIG_CF_V2 */ 52 53 /* V3 Core */ 54 #ifdef CONFIG_CF_V3 55 56 #define CF_CACR_EC (1 << 31) 57 #define CF_CACR_ESB (1 << 29) 58 #define CF_CACR_DPI (1 << 28) 59 #define CF_CACR_HLCK (1 << 27) 60 #define CF_CACR_CINVA (1 << 24) 61 #define CF_CACR_DNFB (1 << 10) 62 #define CF_CACR_DCM_UNMASK 0xFFFFFCFF 63 #define CF_CACR_DCM_WT (0 << 8) 64 #define CF_CACR_DCM_CB (1 << 8) 65 #define CF_CACR_DCM_P (2 << 8) 66 #define CF_CACR_DCM_IP (3 << 8) 67 #define CF_CACR_DW (1 << 5) 68 #define CF_CACR_EUSP (1 << 4) 69 70 #endif /* CONFIG_CF_V3 */ 71 72 /* V4 Core */ 73 #if defined(CONFIG_CF_V4) || defined(CONFIG_CF_V4E) 74 75 #define CF_CACR_DEC (1 << 31) 76 #define CF_CACR_DW (1 << 30) 77 #define CF_CACR_DESB (1 << 29) 78 #define CF_CACR_DDPI (1 << 28) 79 #define CF_CACR_DHLCK (1 << 27) 80 #define CF_CACR_DDCM_UNMASK (0xF9FFFFFF) 81 #define CF_CACR_DDCM_WT (0 << 25) 82 #define CF_CACR_DDCM_CB (1 << 25) 83 #define CF_CACR_DDCM_P (2 << 25) 84 #define CF_CACR_DDCM_IP (3 << 25) 85 #define CF_CACR_DCINVA (1 << 24) 86 87 #define CF_CACR_DDSP (1 << 23) 88 #define CF_CACR_BEC (1 << 19) 89 #define CF_CACR_BCINVA (1 << 18) 90 #define CF_CACR_IEC (1 << 15) 91 #define CF_CACR_DNFB (1 << 13) 92 #define CF_CACR_IDPI (1 << 12) 93 #define CF_CACR_IHLCK (1 << 11) 94 #define CF_CACR_IDCM (1 << 10) 95 #define CF_CACR_ICINVA (1 << 8) 96 #define CF_CACR_IDSP (1 << 7) 97 #define CF_CACR_EUSP (1 << 5) 98 99 #if defined(CONFIG_MCF5445x) || defined(CONFIG_MCF5441x) 100 #define CF_CACR_IVO (1 << 20) 101 #define CF_CACR_SPA (1 << 14) 102 #else 103 #define CF_CACR_DF (1 << 4) 104 #endif 105 106 #endif /* CONFIG_CF_V4 */ 107 108 /* ***** ACR ***** */ 109 #define CF_ACR_ADR_UNMASK (0x00FFFFFF) 110 #define CF_ACR_ADR(x) ((x & 0xFF) << 24) 111 #define CF_ACR_ADRMSK_UNMASK (0xFF00FFFF) 112 #define CF_ACR_ADRMSK(x) ((x & 0xFF) << 16) 113 #define CF_ACR_EN (1 << 15) 114 #define CF_ACR_SM_UNMASK (0xFFFF9FFF) 115 #define CF_ACR_SM_UM (0 << 13) 116 #define CF_ACR_SM_SM (1 << 13) 117 #define CF_ACR_SM_ALL (3 << 13) 118 #define CF_ACR_WP (1 << 2) 119 120 /* V2 Core */ 121 #ifdef CONFIG_CF_V2 122 #define CF_ACR_CM (1 << 6) 123 #define CF_ACR_BWE (1 << 5) 124 #else 125 /* V3 & V4 */ 126 #define CF_ACR_CM_UNMASK (0xFFFFFF9F) 127 #define CF_ACR_CM_WT (0 << 5) 128 #define CF_ACR_CM_CB (1 << 5) 129 #define CF_ACR_CM_P (2 << 5) 130 #define CF_ACR_CM_IP (3 << 5) 131 #endif /* CONFIG_CF_V2 */ 132 133 /* V4 Core */ 134 #if defined(CONFIG_CF_V4) || defined(CONFIG_CF_V4E) 135 #define CF_ACR_AMM (1 << 10) 136 #define CF_ACR_SP (1 << 3) 137 #endif /* CONFIG_CF_V4 */ 138 139 140 #ifndef CONFIG_SYS_CACHE_ICACR 141 #define CONFIG_SYS_CACHE_ICACR 0 142 #endif 143 144 #ifndef CONFIG_SYS_CACHE_DCACR 145 #ifdef CONFIG_SYS_CACHE_ICACR 146 #define CONFIG_SYS_CACHE_DCACR CONFIG_SYS_CACHE_ICACR 147 #else 148 #define CONFIG_SYS_CACHE_DCACR 0 149 #endif 150 #endif 151 152 #ifndef CONFIG_SYS_CACHE_ACR0 153 #define CONFIG_SYS_CACHE_ACR0 0 154 #endif 155 156 #ifndef CONFIG_SYS_CACHE_ACR1 157 #define CONFIG_SYS_CACHE_ACR1 0 158 #endif 159 160 #ifndef CONFIG_SYS_CACHE_ACR2 161 #define CONFIG_SYS_CACHE_ACR2 0 162 #endif 163 164 #ifndef CONFIG_SYS_CACHE_ACR3 165 #define CONFIG_SYS_CACHE_ACR3 0 166 #endif 167 168 #ifndef CONFIG_SYS_CACHE_ACR4 169 #define CONFIG_SYS_CACHE_ACR4 0 170 #endif 171 172 #ifndef CONFIG_SYS_CACHE_ACR5 173 #define CONFIG_SYS_CACHE_ACR5 0 174 #endif 175 176 #ifndef CONFIG_SYS_CACHE_ACR6 177 #define CONFIG_SYS_CACHE_ACR6 0 178 #endif 179 180 #ifndef CONFIG_SYS_CACHE_ACR7 181 #define CONFIG_SYS_CACHE_ACR7 0 182 #endif 183 184 #define CF_ADDRMASK(x) (((x > 0x10) ? ((x >> 4) - 1) : (x)) << 16) 185 186 #ifndef __ASSEMBLY__ /* put C only stuff in this section */ 187 188 void icache_invalid(void); 189 void dcache_invalid(void); 190 191 #endif 192 193 /* 194 * m68k uses 16 byte L1 data cache line sizes. Use this for DMA buffer 195 * alignment unless the board configuration has specified a new value. 196 */ 197 #ifdef CONFIG_SYS_CACHELINE_SIZE 198 #define ARCH_DMA_MINALIGN CONFIG_SYS_CACHELINE_SIZE 199 #else 200 #define ARCH_DMA_MINALIGN 16 201 #endif 202 203 #endif /* __CACHE_H */ 204