projects / people / ms / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| 3fe3b4fb D |
1 | /* |
| 2 | * Marvell MMC/SD/SDIO driver | |
| 3 | * | |
| 4 | * (C) Copyright 2012 | |
| 5 | * Marvell Semiconductor <www.marvell.com> | |
| 6 | * Written-by: Maen Suleiman, Gerald Kerma | |
| 7 | * | |
| 8 | * SPDX-License-Identifier: GPL-2.0+ | |
| 9 | */ | |
| 10 | ||
| 11 | #ifndef __MVEBU_MMC_H__ | |
| 12 | #define __MVEBU_MMC_H__ | |
| 13 | ||
| 14 | /* needed for the mmc_cfg definition */ | |
| 15 | #include <mmc.h> | |
| 16 | ||
| 17 | #define MMC_BLOCK_SIZE 512 | |
| 18 | ||
| 19 | /* | |
| 20 | * Clock rates | |
| 21 | */ | |
| 22 | ||
| 23 | #define MVEBU_MMC_CLOCKRATE_MAX 50000000 | |
| 24 | #define MVEBU_MMC_BASE_DIV_MAX 0x7ff | |
| 25 | #define MVEBU_MMC_BASE_FAST_CLOCK CONFIG_SYS_TCLK | |
| 26 | #define MVEBU_MMC_BASE_FAST_CLK_100 100000000 | |
| 27 | #define MVEBU_MMC_BASE_FAST_CLK_200 200000000 | |
| 28 | ||
| 29 | /* SDIO register */ | |
| 30 | #define SDIO_SYS_ADDR_LOW 0x000 | |
| 31 | #define SDIO_SYS_ADDR_HI 0x004 | |
| 32 | #define SDIO_BLK_SIZE 0x008 | |
| 33 | #define SDIO_BLK_COUNT 0x00c | |
| 34 | #define SDIO_ARG_LOW 0x010 | |
| 35 | #define SDIO_ARG_HI 0x014 | |
| 36 | #define SDIO_XFER_MODE 0x018 | |
| 37 | #define SDIO_CMD 0x01c | |
| 38 | #define SDIO_RSP(i) (0x020 + ((i)<<2)) | |
| 39 | #define SDIO_RSP0 0x020 | |
| 40 | #define SDIO_RSP1 0x024 | |
| 41 | #define SDIO_RSP2 0x028 | |
| 42 | #define SDIO_RSP3 0x02c | |
| 43 | #define SDIO_RSP4 0x030 | |
| 44 | #define SDIO_RSP5 0x034 | |
| 45 | #define SDIO_RSP6 0x038 | |
| 46 | #define SDIO_RSP7 0x03c | |
| 47 | #define SDIO_BUF_DATA_PORT 0x040 | |
| 48 | #define SDIO_RSVED 0x044 | |
| 49 | #define SDIO_HW_STATE 0x048 | |
| 50 | #define SDIO_PRESENT_STATE0 0x048 | |
| 51 | #define SDIO_PRESENT_STATE1 0x04c | |
| 52 | #define SDIO_HOST_CTRL 0x050 | |
| 53 | #define SDIO_BLK_GAP_CTRL 0x054 | |
| 54 | #define SDIO_CLK_CTRL 0x058 | |
| 55 | #define SDIO_SW_RESET 0x05c | |
| 56 | #define SDIO_NOR_INTR_STATUS 0x060 | |
| 57 | #define SDIO_ERR_INTR_STATUS 0x064 | |
| 58 | #define SDIO_NOR_STATUS_EN 0x068 | |
| 59 | #define SDIO_ERR_STATUS_EN 0x06c | |
| 60 | #define SDIO_NOR_INTR_EN 0x070 | |
| 61 | #define SDIO_ERR_INTR_EN 0x074 | |
| 62 | #define SDIO_AUTOCMD12_ERR_STATUS 0x078 | |
| 63 | #define SDIO_CURR_BYTE_LEFT 0x07c | |
| 64 | #define SDIO_CURR_BLK_LEFT 0x080 | |
| 65 | #define SDIO_AUTOCMD12_ARG_LOW 0x084 | |
| 66 | #define SDIO_AUTOCMD12_ARG_HI 0x088 | |
| 67 | #define SDIO_AUTOCMD12_INDEX 0x08c | |
| 68 | #define SDIO_AUTO_RSP(i) (0x090 + ((i)<<2)) | |
| 69 | #define SDIO_AUTO_RSP0 0x090 | |
| 70 | #define SDIO_AUTO_RSP1 0x094 | |
| 71 | #define SDIO_AUTO_RSP2 0x098 | |
| 72 | #define SDIO_CLK_DIV 0x128 | |
| 73 | ||
| 74 | #define WINDOW_CTRL(i) (0x108 + ((i) << 3)) | |
| 75 | #define WINDOW_BASE(i) (0x10c + ((i) << 3)) | |
| 76 | ||
| 77 | /* SDIO_PRESENT_STATE */ | |
| 78 | #define CARD_BUSY (1 << 1) | |
| 79 | #define CMD_INHIBIT (1 << 0) | |
| 80 | #define CMD_TXACTIVE (1 << 8) | |
| 81 | #define CMD_RXACTIVE (1 << 9) | |
| 28d27b79 | 82 | #define CMD_FIFO_EMPTY (1 << 13) |
| 3fe3b4fb D |
83 | #define CMD_AUTOCMD12ACTIVE (1 << 14) |
| 84 | #define CMD_BUS_BUSY (CMD_AUTOCMD12ACTIVE | \ | |
| 85 | CMD_RXACTIVE | \ | |
| 86 | CMD_TXACTIVE | \ | |
| 87 | CMD_INHIBIT | \ | |
| 88 | CARD_BUSY) | |
| 89 | ||
| 90 | /* | |
| 91 | * SDIO_CMD | |
| 92 | */ | |
| 93 | ||
| 94 | #define SDIO_CMD_RSP_NONE (0 << 0) | |
| 95 | #define SDIO_CMD_RSP_136 (1 << 0) | |
| 96 | #define SDIO_CMD_RSP_48 (2 << 0) | |
| 97 | #define SDIO_CMD_RSP_48BUSY (3 << 0) | |
| 98 | ||
| 99 | #define SDIO_CMD_CHECK_DATACRC16 (1 << 2) | |
| 100 | #define SDIO_CMD_CHECK_CMDCRC (1 << 3) | |
| 101 | #define SDIO_CMD_INDX_CHECK (1 << 4) | |
| 102 | #define SDIO_CMD_DATA_PRESENT (1 << 5) | |
| 103 | #define SDIO_UNEXPECTED_RESP (1 << 7) | |
| 104 | ||
| 105 | #define SDIO_CMD_INDEX(x) ((x) << 8) | |
| 106 | ||
| 107 | /* | |
| 108 | * SDIO_XFER_MODE | |
| 109 | */ | |
| 110 | ||
| 111 | #define SDIO_XFER_MODE_STOP_CLK (1 << 5) | |
| 112 | #define SDIO_XFER_MODE_HW_WR_DATA_EN (1 << 1) | |
| 113 | #define SDIO_XFER_MODE_AUTO_CMD12 (1 << 2) | |
| 114 | #define SDIO_XFER_MODE_INT_CHK_EN (1 << 3) | |
| 115 | #define SDIO_XFER_MODE_TO_HOST (1 << 4) | |
| 116 | #define SDIO_XFER_MODE_DMA (0 << 6) | |
| 117 | ||
| 118 | /* | |
| 119 | * SDIO_HOST_CTRL | |
| 120 | */ | |
| 121 | ||
| 122 | #define SDIO_HOST_CTRL_PUSH_PULL_EN (1 << 0) | |
| 123 | ||
| 124 | #define SDIO_HOST_CTRL_CARD_TYPE_MEM_ONLY (0 << 1) | |
| 125 | #define SDIO_HOST_CTRL_CARD_TYPE_IO_ONLY (1 << 1) | |
| 126 | #define SDIO_HOST_CTRL_CARD_TYPE_IO_MEM_COMBO (2 << 1) | |
| 127 | #define SDIO_HOST_CTRL_CARD_TYPE_IO_MMC (3 << 1) | |
| 128 | #define SDIO_HOST_CTRL_CARD_TYPE_MASK (3 << 1) | |
| 129 | ||
| 130 | #define SDIO_HOST_CTRL_BIG_ENDIAN (1 << 3) | |
| 131 | #define SDIO_HOST_CTRL_LSB_FIRST (1 << 4) | |
| 132 | #define SDIO_HOST_CTRL_DATA_WIDTH_1_BIT (0 << 9) | |
| 133 | #define SDIO_HOST_CTRL_DATA_WIDTH_4_BITS (1 << 9) | |
| 134 | #define SDIO_HOST_CTRL_HI_SPEED_EN (1 << 10) | |
| 135 | ||
| 136 | #define SDIO_HOST_CTRL_TMOUT_MAX 0xf | |
| 137 | #define SDIO_HOST_CTRL_TMOUT_MASK (0xf << 11) | |
| 138 | #define SDIO_HOST_CTRL_TMOUT(x) ((x) << 11) | |
| 139 | #define SDIO_HOST_CTRL_TMOUT_EN (1 << 15) | |
| 140 | ||
| 141 | /* | |
| 142 | * SDIO_SW_RESET | |
| 143 | */ | |
| 144 | ||
| 145 | #define SDIO_SW_RESET_NOW (1 << 8) | |
| 146 | ||
| 147 | /* | |
| 148 | * Normal interrupt status bits | |
| 149 | */ | |
| 150 | ||
| 151 | #define SDIO_NOR_ERROR (1 << 15) | |
| 152 | #define SDIO_NOR_UNEXP_RSP (1 << 14) | |
| 153 | #define SDIO_NOR_AUTOCMD12_DONE (1 << 13) | |
| 154 | #define SDIO_NOR_SUSPEND_ON (1 << 12) | |
| 155 | #define SDIO_NOR_LMB_FF_8W_AVAIL (1 << 11) | |
| 156 | #define SDIO_NOR_LMB_FF_8W_FILLED (1 << 10) | |
| 157 | #define SDIO_NOR_READ_WAIT_ON (1 << 9) | |
| 158 | #define SDIO_NOR_CARD_INT (1 << 8) | |
| 159 | #define SDIO_NOR_READ_READY (1 << 5) | |
| 160 | #define SDIO_NOR_WRITE_READY (1 << 4) | |
| 161 | #define SDIO_NOR_DMA_INI (1 << 3) | |
| 162 | #define SDIO_NOR_BLK_GAP_EVT (1 << 2) | |
| 163 | #define SDIO_NOR_XFER_DONE (1 << 1) | |
| 164 | #define SDIO_NOR_CMD_DONE (1 << 0) | |
| 165 | ||
| 166 | /* | |
| 167 | * Error status bits | |
| 168 | */ | |
| 169 | ||
| 170 | #define SDIO_ERR_CRC_STATUS (1 << 14) | |
| 171 | #define SDIO_ERR_CRC_STARTBIT (1 << 13) | |
| 172 | #define SDIO_ERR_CRC_ENDBIT (1 << 12) | |
| 173 | #define SDIO_ERR_RESP_TBIT (1 << 11) | |
| 174 | #define SDIO_ERR_XFER_SIZE (1 << 10) | |
| 175 | #define SDIO_ERR_CMD_STARTBIT (1 << 9) | |
| 176 | #define SDIO_ERR_AUTOCMD12 (1 << 8) | |
| 177 | #define SDIO_ERR_DATA_ENDBIT (1 << 6) | |
| 178 | #define SDIO_ERR_DATA_CRC (1 << 5) | |
| 179 | #define SDIO_ERR_DATA_TIMEOUT (1 << 4) | |
| 180 | #define SDIO_ERR_CMD_INDEX (1 << 3) | |
| 181 | #define SDIO_ERR_CMD_ENDBIT (1 << 2) | |
| 182 | #define SDIO_ERR_CMD_CRC (1 << 1) | |
| 183 | #define SDIO_ERR_CMD_TIMEOUT (1 << 0) | |
| 184 | /* enable all for polling */ | |
| 185 | #define SDIO_POLL_MASK 0xffff | |
| 186 | ||
| 187 | /* | |
| 188 | * CMD12 error status bits | |
| 189 | */ | |
| 190 | ||
| 191 | #define SDIO_AUTOCMD12_ERR_NOTEXE (1 << 0) | |
| 192 | #define SDIO_AUTOCMD12_ERR_TIMEOUT (1 << 1) | |
| 193 | #define SDIO_AUTOCMD12_ERR_CRC (1 << 2) | |
| 194 | #define SDIO_AUTOCMD12_ERR_ENDBIT (1 << 3) | |
| 195 | #define SDIO_AUTOCMD12_ERR_INDEX (1 << 4) | |
| 196 | #define SDIO_AUTOCMD12_ERR_RESP_T_BIT (1 << 5) | |
| 197 | #define SDIO_AUTOCMD12_ERR_RESP_STARTBIT (1 << 6) | |
| 198 | ||
| 199 | #define MMC_RSP_PRESENT (1 << 0) | |
| 200 | /* 136 bit response */ | |
| 201 | #define MMC_RSP_136 (1 << 1) | |
| 202 | /* expect valid crc */ | |
| 203 | #define MMC_RSP_CRC (1 << 2) | |
| 204 | /* card may send busy */ | |
| 205 | #define MMC_RSP_BUSY (1 << 3) | |
| 206 | /* response contains opcode */ | |
| 207 | #define MMC_RSP_OPCODE (1 << 4) | |
| 208 | ||
| 209 | #define MMC_BUSMODE_OPENDRAIN 1 | |
| 210 | #define MMC_BUSMODE_PUSHPULL 2 | |
| 211 | ||
| 212 | #define MMC_BUS_WIDTH_1 0 | |
| 213 | #define MMC_BUS_WIDTH_4 2 | |
| 214 | #define MMC_BUS_WIDTH_8 3 | |
| 215 | ||
| 216 | /* Can the host do 4 bit transfers */ | |
| 217 | #define MMC_CAP_4_BIT_DATA (1 << 0) | |
| 218 | /* Can do MMC high-speed timing */ | |
| 219 | #define MMC_CAP_MMC_HIGHSPEED (1 << 1) | |
| 220 | /* Can do SD high-speed timing */ | |
| 221 | #define MMC_CAP_SD_HIGHSPEED (1 << 2) | |
| 222 | /* Can signal pending SDIO IRQs */ | |
| 223 | #define MMC_CAP_SDIO_IRQ (1 << 3) | |
| 224 | /* Talks only SPI protocols */ | |
| 225 | #define MMC_CAP_SPI (1 << 4) | |
| 226 | /* Needs polling for card-detection */ | |
| 227 | #define MMC_CAP_NEEDS_POLL (1 << 5) | |
| 228 | /* Can the host do 8 bit transfers */ | |
| 229 | #define MMC_CAP_8_BIT_DATA (1 << 6) | |
| 230 | ||
| 231 | /* Nonremovable e.g. eMMC */ | |
| 232 | #define MMC_CAP_NONREMOVABLE (1 << 8) | |
| 233 | /* Waits while card is busy */ | |
| 234 | #define MMC_CAP_WAIT_WHILE_BUSY (1 << 9) | |
| 235 | /* Allow erase/trim commands */ | |
| 236 | #define MMC_CAP_ERASE (1 << 10) | |
| 237 | /* can support DDR mode at 1.8V */ | |
| 238 | #define MMC_CAP_1_8V_DDR (1 << 11) | |
| 239 | /* can support DDR mode at 1.2V */ | |
| 240 | #define MMC_CAP_1_2V_DDR (1 << 12) | |
| 241 | /* Can power off after boot */ | |
| 242 | #define MMC_CAP_POWER_OFF_CARD (1 << 13) | |
| 243 | /* CMD14/CMD19 bus width ok */ | |
| 244 | #define MMC_CAP_BUS_WIDTH_TEST (1 << 14) | |
| 245 | /* Host supports UHS SDR12 mode */ | |
| 246 | #define MMC_CAP_UHS_SDR12 (1 << 15) | |
| 247 | /* Host supports UHS SDR25 mode */ | |
| 248 | #define MMC_CAP_UHS_SDR25 (1 << 16) | |
| 249 | /* Host supports UHS SDR50 mode */ | |
| 250 | #define MMC_CAP_UHS_SDR50 (1 << 17) | |
| 251 | /* Host supports UHS SDR104 mode */ | |
| 252 | #define MMC_CAP_UHS_SDR104 (1 << 18) | |
| 253 | /* Host supports UHS DDR50 mode */ | |
| 254 | #define MMC_CAP_UHS_DDR50 (1 << 19) | |
| 255 | /* Host supports Driver Type A */ | |
| 256 | #define MMC_CAP_DRIVER_TYPE_A (1 << 23) | |
| 257 | /* Host supports Driver Type C */ | |
| 258 | #define MMC_CAP_DRIVER_TYPE_C (1 << 24) | |
| 259 | /* Host supports Driver Type D */ | |
| 260 | #define MMC_CAP_DRIVER_TYPE_D (1 << 25) | |
| 261 | /* CMD23 supported. */ | |
| 262 | #define MMC_CAP_CMD23 (1 << 30) | |
| 263 | /* Hardware reset */ | |
| 264 | #define MMC_CAP_HW_RESET (1 << 31) | |
| 265 | ||
| 266 | struct mvebu_mmc_cfg { | |
| 267 | u32 mvebu_mmc_base; | |
| 268 | u32 mvebu_mmc_clk; | |
| 269 | u8 max_bus_width; | |
| 270 | struct mmc_config cfg; | |
| 271 | }; | |
| 272 | ||
| 273 | /* | |
| 274 | * Functions prototypes | |
| 275 | */ | |
| 276 | ||
| 277 | int mvebu_mmc_init(bd_t *bis); | |
| 278 | ||
| 279 | #endif /* __MVEBU_MMC_H__ */ |