1 /* 2 * Copyright (c) 2015, 2016 Freescale Semiconductor, Inc. 3 * Copyright 2017-2020 NXP 4 * 5 * SPDX-License-Identifier: BSD-3-Clause 6 * 7 */ 8 9 #ifndef SD_MMC_H 10 #define SD_MMC_H 11 12 #include <lib/mmio.h> 13 14 /* operating freq */ 15 #define CARD_IDENTIFICATION_FREQ 400000 16 #define SD_SS_25MHZ 20000000 17 #define SD_HS_50MHZ 40000000 18 #define MMC_SS_20MHZ 15000000 19 #define MMC_HS_26MHZ 20000000 20 #define MMC_HS_52MHZ 40000000 21 22 /* Need to check this value ? */ 23 #define MAX_PLATFORM_CLOCK 800000000 24 25 /* eSDHC system control register defines */ 26 #define ESDHC_SYSCTL_DTOCV(t) (((t) & 0xF) << 16) 27 #define ESDHC_SYSCTL_SDCLKFS(f) (((f) & 0xFF) << 8) 28 #define ESDHC_SYSCTL_DVS(d) (((d) & 0xF) << 4) 29 #define ESDHC_SYSCTL_SDCLKEN (0x00000008) 30 #define ESDHC_SYSCTL_RSTA (0x01000000) 31 32 /* Data timeout counter value. SDHC_CLK x 227 */ 33 #define TIMEOUT_COUNTER_SDCLK_2_27 0xE 34 #define ESDHC_SYSCTL_INITA 0x08000000 35 36 /* eSDHC interrupt status enable register defines */ 37 #define ESDHC_IRQSTATEN_CINS 0x00000040 38 #define ESDHC_IRQSTATEN_BWR 0x00000010 39 40 /* eSDHC interrupt status register defines */ 41 #define ESDHC_IRQSTAT_DMAE (0x10000000) 42 #define ESDHC_IRQSTAT_AC12E (0x01000000) 43 #define ESDHC_IRQSTAT_DEBE (0x00400000) 44 #define ESDHC_IRQSTAT_DCE (0x00200000) 45 #define ESDHC_IRQSTAT_DTOE (0x00100000) 46 #define ESDHC_IRQSTAT_CIE (0x00080000) 47 #define ESDHC_IRQSTAT_CEBE (0x00040000) 48 #define ESDHC_IRQSTAT_CCE (0x00020000) 49 #define ESDHC_IRQSTAT_CTOE (0x00010000) 50 #define ESDHC_IRQSTAT_CINT (0x00000100) 51 #define ESDHC_IRQSTAT_CRM (0x00000080) 52 #define ESDHC_IRQSTAT_CINS (0x00000040) 53 #define ESDHC_IRQSTAT_BRR (0x00000020) 54 #define ESDHC_IRQSTAT_BWR (0x00000010) 55 #define ESDHC_IRQSTAT_DINT (0x00000008) 56 #define ESDHC_IRQSTAT_BGE (0x00000004) 57 #define ESDHC_IRQSTAT_TC (0x00000002) 58 #define ESDHC_IRQSTAT_CC (0x00000001) 59 #define ESDHC_IRQSTAT_CMD_ERR (ESDHC_IRQSTAT_CIE |\ 60 ESDHC_IRQSTAT_CEBE |\ 61 ESDHC_IRQSTAT_CCE) 62 #define ESDHC_IRQSTAT_DATA_ERR (ESDHC_IRQSTAT_DEBE |\ 63 ESDHC_IRQSTAT_DCE |\ 64 ESDHC_IRQSTAT_DTOE) 65 #define ESDHC_IRQSTAT_CLEAR_ALL (0xFFFFFFFF) 66 67 /* eSDHC present state register defines */ 68 #define ESDHC_PRSSTAT_CLSL 0x00800000 69 #define ESDHC_PRSSTAT_WPSPL 0x00080000 70 #define ESDHC_PRSSTAT_CDPL 0x00040000 71 #define ESDHC_PRSSTAT_CINS 0x00010000 72 #define ESDHC_PRSSTAT_BREN 0x00000800 73 #define ESDHC_PRSSTAT_BWEN 0x00000400 74 #define ESDHC_PRSSTAT_RTA 0x00000200 75 #define ESDHC_PRSSTAT_WTA 0x00000100 76 #define ESDHC_PRSSTAT_SDOFF 0x00000080 77 #define ESDHC_PRSSTAT_PEROFF 0x00000040 78 #define ESDHC_PRSSTAT_HCKOFF 0x00000020 79 #define ESDHC_PRSSTAT_IPGOFF 0x00000010 80 #define ESDHC_PRSSTAT_DLA 0x00000004 81 #define ESDHC_PRSSTAT_CDIHB 0x00000002 82 #define ESDHC_PRSSTAT_CIHB 0x00000001 83 84 /* eSDHC protocol control register defines */ 85 #define ESDHC_PROCTL_EMODE_LE 0x00000020 86 #define ESDHC_PROCTL_DTW_1BIT 0x00000000 87 #define ESDHC_PROCTL_DTW_4BIT 0x00000002 88 #define ESDHC_PROCTL_DTW_8BIT 0x00000004 89 90 /* Watermark Level Register (WML) */ 91 #define ESDHC_WML_RD_WML(w) ((w) & 0x7F) 92 #define ESDHC_WML_WR_WML(w) (((w) & 0x7F) << 16) 93 #define ESDHC_WML_RD_BRST(w) (((w) & 0xF) << 8) 94 #define ESDHC_WML_WR_BRST(w) (((w) & 0xF) << 24) 95 #define ESDHC_WML_WR_BRST_MASK (0x0F000000) 96 #define ESDHC_WML_RD_BRST_MASK (0x00000F00) 97 #define ESDHC_WML_RD_WML_MASK (0x0000007F) 98 #define ESDHC_WML_WR_WML_MASK (0x007F0000) 99 #define WML_512_BYTES (0x0) 100 #define BURST_128_BYTES (0x0) 101 102 /* eSDHC control register define */ 103 #define ESDHC_DCR_SNOOP 0x00000040 104 105 /* ESDHC Block attributes register */ 106 #define ESDHC_BLKATTR_BLKCNT(c) (((c) & 0xffff) << 16) 107 #define ESDHC_BLKATTR_BLKSZE(s) ((s) & 0xfff) 108 109 /* Transfer Type Register */ 110 #define ESDHC_XFERTYP_CMD(c) (((c) & 0x3F) << 24) 111 #define ESDHC_XFERTYP_CMDTYP_NORMAL (0x0) 112 #define ESDHC_XFERTYP_CMDTYP_SUSPEND (0x00400000) 113 #define ESDHC_XFERTYP_CMDTYP_RESUME (0x00800000) 114 #define ESDHC_XFERTYP_CMDTYP_ABORT (0x00C00000) 115 #define ESDHC_XFERTYP_DPSEL (0x00200000) 116 #define ESDHC_XFERTYP_CICEN (0x00100000) 117 #define ESDHC_XFERTYP_CCCEN (0x00080000) 118 #define ESDHC_XFERTYP_RSPTYP_NONE (0x0) 119 #define ESDHC_XFERTYP_RSPTYP_136 (0x00010000) 120 #define ESDHC_XFERTYP_RSPTYP_48 (0x00020000) 121 #define ESDHC_XFERTYP_RSPTYP_48_BUSY (0x00030000) 122 #define ESDHC_XFERTYP_MSBSEL (0x00000020) 123 #define ESDHC_XFERTYP_DTDSEL (0x00000010) 124 #define ESDHC_XFERTYP_AC12EN (0x00000004) 125 #define ESDHC_XFERTYP_BCEN (0x00000002) 126 #define ESDHC_XFERTYP_DMAEN (0x00000001) 127 128 #define MMC_VDD_HIGH_VOLTAGE 0x00000100 129 130 /* command index */ 131 #define CMD0 0 132 #define CMD1 1 133 #define CMD2 2 134 #define CMD3 3 135 #define CMD5 5 136 #define CMD6 6 137 #define CMD7 7 138 #define CMD8 8 139 #define CMD9 9 140 #define CMD12 12 141 #define CMD13 13 142 #define CMD14 14 143 #define CMD16 16 144 #define CMD17 17 145 #define CMD18 18 146 #define CMD19 19 147 #define CMD24 24 148 #define CMD41 41 149 #define CMD42 42 150 #define CMD51 51 151 #define CMD55 55 152 #define CMD56 56 153 #define ACMD6 CMD6 154 #define ACMD13 CMD13 155 #define ACMD41 CMD41 156 #define ACMD42 CMD42 157 #define ACMD51 CMD51 158 159 /* commands abbreviations */ 160 #define CMD_GO_IDLE_STATE CMD0 161 #define CMD_MMC_SEND_OP_COND CMD1 162 #define CMD_ALL_SEND_CID CMD2 163 #define CMD_SEND_RELATIVE_ADDR CMD3 164 #define CMD_SET_DSR CMD4 165 #define CMD_SWITCH_FUNC CMD6 166 #define CMD_SELECT_CARD CMD7 167 #define CMD_DESELECT_CARD CMD7 168 #define CMD_SEND_IF_COND CMD8 169 #define CMD_MMC_SEND_EXT_CSD CMD8 170 #define CMD_SEND_CSD CMD9 171 #define CMD_SEND_CID CMD10 172 #define CMD_STOP_TRANSMISSION CMD12 173 #define CMD_SEND_STATUS CMD13 174 #define CMD_BUS_TEST_R CMD14 175 #define CMD_GO_INACTIVE_STATE CMD15 176 #define CMD_SET_BLOCKLEN CMD16 177 #define CMD_READ_SINGLE_BLOCK CMD17 178 #define CMD_READ_MULTIPLE_BLOCK CMD18 179 #define CMD_WRITE_SINGLE_BLOCK CMD24 180 #define CMD_BUS_TEST_W CMD19 181 #define CMD_APP_CMD CMD55 182 #define CMD_GEN_CMD CMD56 183 #define CMD_SET_BUS_WIDTH ACMD6 184 #define CMD_SD_STATUS ACMD13 185 #define CMD_SD_SEND_OP_COND ACMD41 186 #define CMD_SET_CLR_CARD_DETECT ACMD42 187 #define CMD_SEND_SCR ACMD51 188 189 /* MMC card spec version */ 190 #define MMC_CARD_VERSION_1_2 0 191 #define MMC_CARD_VERSION_1_4 1 192 #define MMC_CARD_VERSION_2_X 2 193 #define MMC_CARD_VERSION_3_X 3 194 #define MMC_CARD_VERSION_4_X 4 195 196 /* SD Card Spec Version */ 197 /* May need to add version 3 here? */ 198 #define SD_CARD_VERSION_1_0 0 199 #define SD_CARD_VERSION_1_10 1 200 #define SD_CARD_VERSION_2_0 2 201 202 /* card types */ 203 #define MMC_CARD 0 204 #define SD_CARD 1 205 #define NOT_SD_CARD MMC_CARD 206 207 /* Card rca */ 208 #define SD_MMC_CARD_RCA 0x1 209 #define BLOCK_LEN_512 512 210 211 /* card state */ 212 #define STATE_IDLE 0 213 #define STATE_READY 1 214 #define STATE_IDENT 2 215 #define STATE_STBY 3 216 #define STATE_TRAN 4 217 #define STATE_DATA 5 218 #define STATE_RCV 6 219 #define STATE_PRG 7 220 #define STATE_DIS 8 221 222 /* Card OCR register */ 223 /* VDD voltage window 1,65 to 1.95 */ 224 #define MMC_OCR_VDD_165_195 0x00000080 225 /* VDD voltage window 2.7-2.8 */ 226 #define MMC_OCR_VDD_FF8 0x00FF8000 227 #define MMC_OCR_CCS 0x40000000/* Card Capacity */ 228 #define MMC_OCR_BUSY 0x80000000/* busy bit */ 229 #define SD_OCR_HCS 0x40000000/* High capacity host */ 230 #define MMC_OCR_SECTOR_MODE 0x40000000/* Access Mode as Sector */ 231 232 /* mmc Switch function */ 233 #define SET_EXT_CSD_HS_TIMING 0x03B90100/* set High speed */ 234 235 /* check supports switching or not */ 236 #define SD_SWITCH_FUNC_CHECK_MODE 0x00FFFFF1 237 #define SD_SWITCH_FUNC_SWITCH_MODE 0x80FFFFF1/* switch */ 238 #define SD_SWITCH_FUNC_HIGH_SPEED 0x02/* HIGH SPEED FUNC */ 239 #define SWITCH_ERROR 0x00000080 240 241 /* errors in sending commands */ 242 #define RESP_TIMEOUT 0x1 243 #define COMMAND_ERROR 0x2 244 /* error in response */ 245 #define R1_ERROR (1 << 19) 246 #define R1_CURRENT_STATE(x) (((x) & 0x00001E00) >> 9) 247 248 /* Host Controller Capabilities */ 249 #define ESDHC_HOSTCAPBLT_DMAS (0x00400000) 250 251 252 /* SD/MMC memory map */ 253 struct esdhc_regs { 254 uint32_t dsaddr; /* dma system address */ 255 uint32_t blkattr; /* Block attributes */ 256 uint32_t cmdarg; /* Command argument */ 257 uint32_t xfertyp; /* Command transfer type */ 258 uint32_t cmdrsp[4]; /* Command response0,1,2,3 */ 259 uint32_t datport; /* Data buffer access port */ 260 uint32_t prsstat; /* Present state */ 261 uint32_t proctl; /* Protocol control */ 262 uint32_t sysctl; /* System control */ 263 uint32_t irqstat; /* Interrupt status */ 264 uint32_t irqstaten; /* Interrupt status enable */ 265 uint32_t irqsigen; /* Interrupt signal enable */ 266 uint32_t autoc12err; /* Auto CMD12 status */ 267 uint32_t hostcapblt; /* Host controller capabilities */ 268 uint32_t wml; /* Watermark level */ 269 uint32_t res1[2]; 270 uint32_t fevt; /* Force event */ 271 uint32_t res2; 272 uint32_t adsaddrl; 273 uint32_t adsaddrh; 274 uint32_t res3[39]; 275 uint32_t hostver; /* Host controller version */ 276 uint32_t res4; 277 uint32_t dmaerr; /* DMA error address */ 278 uint32_t dmaerrh; /* DMA error address high */ 279 uint32_t dmaerrattr; /* DMA error atrribute */ 280 uint32_t res5; 281 uint32_t hostcapblt2;/* Host controller capabilities2 */ 282 uint32_t res6[2]; 283 uint32_t tcr; /* Tuning control */ 284 uint32_t res7[7]; 285 uint32_t dirctrl; /* Direction control */ 286 uint32_t ccr; /* Clock control */ 287 uint32_t res8[177]; 288 uint32_t ctl; /* Control register */ 289 }; 290 291 /* SD/MMC card attributes */ 292 struct card_attributes { 293 uint32_t type; /* sd or mmc card */ 294 uint32_t version; /* version */ 295 uint32_t block_len; /* block length */ 296 uint32_t bus_freq; /* sdhc bus frequency */ 297 uint16_t rca; /* relative card address */ 298 uint8_t is_high_capacity; /* high capacity */ 299 }; 300 301 struct mmc { 302 struct esdhc_regs *esdhc_regs; 303 struct card_attributes card; 304 305 uint32_t block_len; 306 uint32_t voltages_caps; /* supported voltaes */ 307 uint32_t dma_support; /* DMA support */ 308 }; 309 310 enum cntrl_num { 311 SDHC1 = 0, 312 SDHC2 313 }; 314 315 int sd_emmc_init(uintptr_t *block_dev_spec, 316 uintptr_t nxp_esdhc_addr, 317 size_t nxp_sd_block_offset, 318 size_t nxp_sd_block_size, 319 bool card_detect); 320 321 int esdhc_emmc_init(struct mmc *mmc, bool card_detect); 322 int esdhc_read(struct mmc *mmc, uint32_t src_offset, uintptr_t dst, 323 size_t size); 324 int esdhc_write(struct mmc *mmc, uintptr_t src, uint32_t dst_offset, 325 size_t size); 326 327 #ifdef NXP_ESDHC_BE 328 #define esdhc_in32(a) bswap32(mmio_read_32((uintptr_t)(a))) 329 #define esdhc_out32(a, v) mmio_write_32((uintptr_t)(a), bswap32(v)) 330 #elif defined(NXP_ESDHC_LE) 331 #define esdhc_in32(a) mmio_read_32((uintptr_t)(a)) 332 #define esdhc_out32(a, v) mmio_write_32((uintptr_t)(a), (v)) 333 #else 334 #error Please define CCSR ESDHC register endianness 335 #endif 336 337 #endif /*SD_MMC_H*/ 338