1 /* 2 * Copyright (C) 2005-2006 Atmel Corporation 3 * 4 * SPDX-License-Identifier: GPL-2.0+ 5 */ 6 #ifndef __ATMEL_MCI_H__ 7 #define __ATMEL_MCI_H__ 8 9 int atmel_mci_init(void *regs); 10 11 #ifndef __ASSEMBLY__ 12 13 /* 14 * Structure for struct SoC access. 15 * Names starting with '_' are fillers. 16 */ 17 typedef struct atmel_mci { 18 /* reg Offset */ 19 u32 cr; /* 0x00 */ 20 u32 mr; /* 0x04 */ 21 u32 dtor; /* 0x08 */ 22 u32 sdcr; /* 0x0c */ 23 u32 argr; /* 0x10 */ 24 u32 cmdr; /* 0x14 */ 25 u32 blkr; /* 0x18 */ 26 u32 _1c; /* 0x1c */ 27 u32 rspr; /* 0x20 */ 28 u32 rspr1; /* 0x24 */ 29 u32 rspr2; /* 0x28 */ 30 u32 rspr3; /* 0x2c */ 31 u32 rdr; /* 0x30 */ 32 u32 tdr; /* 0x34 */ 33 u32 _38; /* 0x38 */ 34 u32 _3c; /* 0x3c */ 35 u32 sr; /* 0x40 */ 36 u32 ier; /* 0x44 */ 37 u32 idr; /* 0x48 */ 38 u32 imr; /* 0x4c */ 39 u32 dma; /* 0x50 */ 40 u32 cfg; /* 0x54 */ 41 u32 reserved[41]; 42 u32 version; 43 } atmel_mci_t; 44 45 #endif /* __ASSEMBLY__ */ 46 47 /* Bitfields in CR */ 48 #define MMCI_MCIEN_OFFSET 0 49 #define MMCI_MCIEN_SIZE 1 50 #define MMCI_MCIDIS_OFFSET 1 51 #define MMCI_MCIDIS_SIZE 1 52 #define MMCI_PWSEN_OFFSET 2 53 #define MMCI_PWSEN_SIZE 1 54 #define MMCI_PWSDIS_OFFSET 3 55 #define MMCI_PWSDIS_SIZE 1 56 #define MMCI_SWRST_OFFSET 7 57 #define MMCI_SWRST_SIZE 1 58 59 /* Bitfields in MR */ 60 #define MMCI_CLKDIV_OFFSET 0 61 #define MMCI_CLKDIV_SIZE 8 62 #define MMCI_PWSDIV_OFFSET 8 63 #define MMCI_PWSDIV_SIZE 3 64 #define MMCI_RDPROOF_OFFSET 11 65 #define MMCI_RDPROOF_SIZE 1 66 #define MMCI_WRPROOF_OFFSET 12 67 #define MMCI_WRPROOF_SIZE 1 68 #define MMCI_PDCPADV_OFFSET 14 69 #define MMCI_PDCPADV_SIZE 1 70 #define MMCI_PDCMODE_OFFSET 15 71 #define MMCI_PDCMODE_SIZE 1 72 /* MCI IP version >= 0x500, MR bit 16 used for CLKODD */ 73 #define MMCI_CLKODD_OFFSET 16 74 #define MMCI_CLKODD_SIZE 1 75 /* MCI IP version < 0x200, MR higher 16bits for BLKLEN */ 76 #define MMCI_BLKLEN_OFFSET 16 77 #define MMCI_BLKLEN_SIZE 16 78 79 /* Bitfields in DTOR */ 80 #define MMCI_DTOCYC_OFFSET 0 81 #define MMCI_DTOCYC_SIZE 4 82 #define MMCI_DTOMUL_OFFSET 4 83 #define MMCI_DTOMUL_SIZE 3 84 85 /* Bitfields in SDCR */ 86 #define MMCI_SCDSEL_OFFSET 0 87 #define MMCI_SCDSEL_SIZE 4 88 #define MMCI_SCDBUS_OFFSET 7 89 #define MMCI_SCDBUS_SIZE 1 90 91 /* Bitfields in ARGR */ 92 #define MMCI_ARG_OFFSET 0 93 #define MMCI_ARG_SIZE 32 94 95 /* Bitfields in CMDR */ 96 #define MMCI_CMDNB_OFFSET 0 97 #define MMCI_CMDNB_SIZE 6 98 #define MMCI_RSPTYP_OFFSET 6 99 #define MMCI_RSPTYP_SIZE 2 100 #define MMCI_SPCMD_OFFSET 8 101 #define MMCI_SPCMD_SIZE 3 102 #define MMCI_OPDCMD_OFFSET 11 103 #define MMCI_OPDCMD_SIZE 1 104 #define MMCI_MAXLAT_OFFSET 12 105 #define MMCI_MAXLAT_SIZE 1 106 #define MMCI_TRCMD_OFFSET 16 107 #define MMCI_TRCMD_SIZE 2 108 #define MMCI_TRDIR_OFFSET 18 109 #define MMCI_TRDIR_SIZE 1 110 #define MMCI_TRTYP_OFFSET 19 111 #define MMCI_TRTYP_SIZE 2 112 113 /* Bitfields in BLKR */ 114 /* MMCI_BLKLEN_OFFSET/SIZE already defined in MR */ 115 #define MMCI_BCNT_OFFSET 0 116 #define MMCI_BCNT_SIZE 16 117 118 /* Bitfields in RSPRx */ 119 #define MMCI_RSP_OFFSET 0 120 #define MMCI_RSP_SIZE 32 121 122 /* Bitfields in SR/IER/IDR/IMR */ 123 #define MMCI_CMDRDY_OFFSET 0 124 #define MMCI_CMDRDY_SIZE 1 125 #define MMCI_RXRDY_OFFSET 1 126 #define MMCI_RXRDY_SIZE 1 127 #define MMCI_TXRDY_OFFSET 2 128 #define MMCI_TXRDY_SIZE 1 129 #define MMCI_BLKE_OFFSET 3 130 #define MMCI_BLKE_SIZE 1 131 #define MMCI_DTIP_OFFSET 4 132 #define MMCI_DTIP_SIZE 1 133 #define MMCI_NOTBUSY_OFFSET 5 134 #define MMCI_NOTBUSY_SIZE 1 135 #define MMCI_ENDRX_OFFSET 6 136 #define MMCI_ENDRX_SIZE 1 137 #define MMCI_ENDTX_OFFSET 7 138 #define MMCI_ENDTX_SIZE 1 139 #define MMCI_RXBUFF_OFFSET 14 140 #define MMCI_RXBUFF_SIZE 1 141 #define MMCI_TXBUFE_OFFSET 15 142 #define MMCI_TXBUFE_SIZE 1 143 #define MMCI_RINDE_OFFSET 16 144 #define MMCI_RINDE_SIZE 1 145 #define MMCI_RDIRE_OFFSET 17 146 #define MMCI_RDIRE_SIZE 1 147 #define MMCI_RCRCE_OFFSET 18 148 #define MMCI_RCRCE_SIZE 1 149 #define MMCI_RENDE_OFFSET 19 150 #define MMCI_RENDE_SIZE 1 151 #define MMCI_RTOE_OFFSET 20 152 #define MMCI_RTOE_SIZE 1 153 #define MMCI_DCRCE_OFFSET 21 154 #define MMCI_DCRCE_SIZE 1 155 #define MMCI_DTOE_OFFSET 22 156 #define MMCI_DTOE_SIZE 1 157 #define MMCI_OVRE_OFFSET 30 158 #define MMCI_OVRE_SIZE 1 159 #define MMCI_UNRE_OFFSET 31 160 #define MMCI_UNRE_SIZE 1 161 162 /* Constants for DTOMUL */ 163 #define MMCI_DTOMUL_1_CYCLE 0 164 #define MMCI_DTOMUL_16_CYCLES 1 165 #define MMCI_DTOMUL_128_CYCLES 2 166 #define MMCI_DTOMUL_256_CYCLES 3 167 #define MMCI_DTOMUL_1024_CYCLES 4 168 #define MMCI_DTOMUL_4096_CYCLES 5 169 #define MMCI_DTOMUL_65536_CYCLES 6 170 #define MMCI_DTOMUL_1048576_CYCLES 7 171 172 /* Constants for RSPTYP */ 173 #define MMCI_RSPTYP_NO_RESP 0 174 #define MMCI_RSPTYP_48_BIT_RESP 1 175 #define MMCI_RSPTYP_136_BIT_RESP 2 176 177 /* Constants for SPCMD */ 178 #define MMCI_SPCMD_NO_SPEC_CMD 0 179 #define MMCI_SPCMD_INIT_CMD 1 180 #define MMCI_SPCMD_SYNC_CMD 2 181 #define MMCI_SPCMD_INT_CMD 4 182 #define MMCI_SPCMD_INT_RESP 5 183 184 /* Constants for TRCMD */ 185 #define MMCI_TRCMD_NO_TRANS 0 186 #define MMCI_TRCMD_START_TRANS 1 187 #define MMCI_TRCMD_STOP_TRANS 2 188 189 /* Constants for TRTYP */ 190 #define MMCI_TRTYP_BLOCK 0 191 #define MMCI_TRTYP_MULTI_BLOCK 1 192 #define MMCI_TRTYP_STREAM 2 193 194 /* Bitfields in CFG */ 195 #define MMCI_FIFOMODE_OFFSET 0 196 #define MMCI_FIFOMODE_SIZE 1 197 #define MMCI_FERRCTRL_OFFSET 4 198 #define MMCI_FERRCTRL_SIZE 1 199 #define MMCI_HSMODE_OFFSET 8 200 #define MMCI_HSMODE_SIZE 1 201 #define MMCI_LSYNC_OFFSET 12 202 #define MMCI_LSYNC_SIZE 1 203 204 /* Bit manipulation macros */ 205 #define MMCI_BIT(name) \ 206 (1 << MMCI_##name##_OFFSET) 207 #define MMCI_BF(name,value) \ 208 (((value) & ((1 << MMCI_##name##_SIZE) - 1)) \ 209 << MMCI_##name##_OFFSET) 210 #define MMCI_BFEXT(name,value) \ 211 (((value) >> MMCI_##name##_OFFSET)\ 212 & ((1 << MMCI_##name##_SIZE) - 1)) 213 #define MMCI_BFINS(name,value,old) \ 214 (((old) & ~(((1 << MMCI_##name##_SIZE) - 1) \ 215 << MMCI_##name##_OFFSET)) \ 216 | MMCI_BF(name,value)) 217 218 #endif /* __ATMEL_MCI_H__ */ 219