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 9int atmel_mci_init(void *regs); 10 11#ifndef __ASSEMBLY__ 12 13/* 14 * Structure for struct SoC access. 15 * Names starting with '_' are fillers. 16 */ 17typedef 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