projects / people / ms / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| af62a557 LW |
1 | /* |
| 2 | * Copyright 2011, Marvell Semiconductor Inc. | |
| 3 | * Lei Wen <leiwen@marvell.com> | |
| 4 | * | |
| 1a459660 | 5 | * SPDX-License-Identifier: GPL-2.0+ |
| af62a557 LW |
6 | * |
| 7 | * Back ported to the 8xx platform (from the 8260 platform) by | |
| 8 | * Murray.Jensen@cmst.csiro.au, 27-Jan-01. | |
| 9 | */ | |
| 10 | #ifndef __SDHCI_HW_H | |
| 11 | #define __SDHCI_HW_H | |
| 12 | ||
| 13 | #include <asm/io.h> | |
| 6cf1b17c | 14 | #include <mmc.h> |
| 0347960b | 15 | #include <asm/gpio.h> |
| 6cf1b17c | 16 | |
| af62a557 LW |
17 | /* |
| 18 | * Controller registers | |
| 19 | */ | |
| 20 | ||
| 21 | #define SDHCI_DMA_ADDRESS 0x00 | |
| 22 | ||
| 23 | #define SDHCI_BLOCK_SIZE 0x04 | |
| 24 | #define SDHCI_MAKE_BLKSZ(dma, blksz) (((dma & 0x7) << 12) | (blksz & 0xFFF)) | |
| 25 | ||
| 26 | #define SDHCI_BLOCK_COUNT 0x06 | |
| 27 | ||
| 28 | #define SDHCI_ARGUMENT 0x08 | |
| 29 | ||
| 30 | #define SDHCI_TRANSFER_MODE 0x0C | |
| 31 | #define SDHCI_TRNS_DMA 0x01 | |
| 32 | #define SDHCI_TRNS_BLK_CNT_EN 0x02 | |
| 33 | #define SDHCI_TRNS_ACMD12 0x04 | |
| 34 | #define SDHCI_TRNS_READ 0x10 | |
| 35 | #define SDHCI_TRNS_MULTI 0x20 | |
| 36 | ||
| 37 | #define SDHCI_COMMAND 0x0E | |
| 38 | #define SDHCI_CMD_RESP_MASK 0x03 | |
| 39 | #define SDHCI_CMD_CRC 0x08 | |
| 40 | #define SDHCI_CMD_INDEX 0x10 | |
| 41 | #define SDHCI_CMD_DATA 0x20 | |
| 42 | #define SDHCI_CMD_ABORTCMD 0xC0 | |
| 43 | ||
| 44 | #define SDHCI_CMD_RESP_NONE 0x00 | |
| 45 | #define SDHCI_CMD_RESP_LONG 0x01 | |
| 46 | #define SDHCI_CMD_RESP_SHORT 0x02 | |
| 47 | #define SDHCI_CMD_RESP_SHORT_BUSY 0x03 | |
| 48 | ||
| 49 | #define SDHCI_MAKE_CMD(c, f) (((c & 0xff) << 8) | (f & 0xff)) | |
| 50 | #define SDHCI_GET_CMD(c) ((c>>8) & 0x3f) | |
| 51 | ||
| 52 | #define SDHCI_RESPONSE 0x10 | |
| 53 | ||
| 54 | #define SDHCI_BUFFER 0x20 | |
| 55 | ||
| 56 | #define SDHCI_PRESENT_STATE 0x24 | |
| 57 | #define SDHCI_CMD_INHIBIT 0x00000001 | |
| 58 | #define SDHCI_DATA_INHIBIT 0x00000002 | |
| 59 | #define SDHCI_DOING_WRITE 0x00000100 | |
| 60 | #define SDHCI_DOING_READ 0x00000200 | |
| 61 | #define SDHCI_SPACE_AVAILABLE 0x00000400 | |
| 62 | #define SDHCI_DATA_AVAILABLE 0x00000800 | |
| 63 | #define SDHCI_CARD_PRESENT 0x00010000 | |
| 470dcc75 JH |
64 | #define SDHCI_CARD_STATE_STABLE 0x00020000 |
| 65 | #define SDHCI_CARD_DETECT_PIN_LEVEL 0x00040000 | |
| af62a557 LW |
66 | #define SDHCI_WRITE_PROTECT 0x00080000 |
| 67 | ||
| 68 | #define SDHCI_HOST_CONTROL 0x28 | |
| 69 | #define SDHCI_CTRL_LED 0x01 | |
| 70 | #define SDHCI_CTRL_4BITBUS 0x02 | |
| 71 | #define SDHCI_CTRL_HISPD 0x04 | |
| 72 | #define SDHCI_CTRL_DMA_MASK 0x18 | |
| 73 | #define SDHCI_CTRL_SDMA 0x00 | |
| 74 | #define SDHCI_CTRL_ADMA1 0x08 | |
| 75 | #define SDHCI_CTRL_ADMA32 0x10 | |
| 76 | #define SDHCI_CTRL_ADMA64 0x18 | |
| 470dcc75 JH |
77 | #define SDHCI_CTRL_8BITBUS 0x20 |
| 78 | #define SDHCI_CTRL_CD_TEST_INS 0x40 | |
| 79 | #define SDHCI_CTRL_CD_TEST 0x80 | |
| af62a557 LW |
80 | |
| 81 | #define SDHCI_POWER_CONTROL 0x29 | |
| 82 | #define SDHCI_POWER_ON 0x01 | |
| 83 | #define SDHCI_POWER_180 0x0A | |
| 84 | #define SDHCI_POWER_300 0x0C | |
| 85 | #define SDHCI_POWER_330 0x0E | |
| 86 | ||
| 87 | #define SDHCI_BLOCK_GAP_CONTROL 0x2A | |
| 88 | ||
| 89 | #define SDHCI_WAKE_UP_CONTROL 0x2B | |
| 90 | #define SDHCI_WAKE_ON_INT 0x01 | |
| 91 | #define SDHCI_WAKE_ON_INSERT 0x02 | |
| 92 | #define SDHCI_WAKE_ON_REMOVE 0x04 | |
| 93 | ||
| 94 | #define SDHCI_CLOCK_CONTROL 0x2C | |
| 95 | #define SDHCI_DIVIDER_SHIFT 8 | |
| 96 | #define SDHCI_DIVIDER_HI_SHIFT 6 | |
| 97 | #define SDHCI_DIV_MASK 0xFF | |
| 98 | #define SDHCI_DIV_MASK_LEN 8 | |
| 99 | #define SDHCI_DIV_HI_MASK 0x300 | |
| 100 | #define SDHCI_CLOCK_CARD_EN 0x0004 | |
| 101 | #define SDHCI_CLOCK_INT_STABLE 0x0002 | |
| 102 | #define SDHCI_CLOCK_INT_EN 0x0001 | |
| 103 | ||
| 104 | #define SDHCI_TIMEOUT_CONTROL 0x2E | |
| 105 | ||
| 106 | #define SDHCI_SOFTWARE_RESET 0x2F | |
| 107 | #define SDHCI_RESET_ALL 0x01 | |
| 108 | #define SDHCI_RESET_CMD 0x02 | |
| 109 | #define SDHCI_RESET_DATA 0x04 | |
| 110 | ||
| 111 | #define SDHCI_INT_STATUS 0x30 | |
| 112 | #define SDHCI_INT_ENABLE 0x34 | |
| 113 | #define SDHCI_SIGNAL_ENABLE 0x38 | |
| 114 | #define SDHCI_INT_RESPONSE 0x00000001 | |
| 115 | #define SDHCI_INT_DATA_END 0x00000002 | |
| 116 | #define SDHCI_INT_DMA_END 0x00000008 | |
| 117 | #define SDHCI_INT_SPACE_AVAIL 0x00000010 | |
| 118 | #define SDHCI_INT_DATA_AVAIL 0x00000020 | |
| 119 | #define SDHCI_INT_CARD_INSERT 0x00000040 | |
| 120 | #define SDHCI_INT_CARD_REMOVE 0x00000080 | |
| 121 | #define SDHCI_INT_CARD_INT 0x00000100 | |
| 122 | #define SDHCI_INT_ERROR 0x00008000 | |
| 123 | #define SDHCI_INT_TIMEOUT 0x00010000 | |
| 124 | #define SDHCI_INT_CRC 0x00020000 | |
| 125 | #define SDHCI_INT_END_BIT 0x00040000 | |
| 126 | #define SDHCI_INT_INDEX 0x00080000 | |
| 127 | #define SDHCI_INT_DATA_TIMEOUT 0x00100000 | |
| 128 | #define SDHCI_INT_DATA_CRC 0x00200000 | |
| 129 | #define SDHCI_INT_DATA_END_BIT 0x00400000 | |
| 130 | #define SDHCI_INT_BUS_POWER 0x00800000 | |
| 131 | #define SDHCI_INT_ACMD12ERR 0x01000000 | |
| 132 | #define SDHCI_INT_ADMA_ERROR 0x02000000 | |
| 133 | ||
| 134 | #define SDHCI_INT_NORMAL_MASK 0x00007FFF | |
| 135 | #define SDHCI_INT_ERROR_MASK 0xFFFF8000 | |
| 136 | ||
| 137 | #define SDHCI_INT_CMD_MASK (SDHCI_INT_RESPONSE | SDHCI_INT_TIMEOUT | \ | |
| 138 | SDHCI_INT_CRC | SDHCI_INT_END_BIT | SDHCI_INT_INDEX) | |
| 139 | #define SDHCI_INT_DATA_MASK (SDHCI_INT_DATA_END | SDHCI_INT_DMA_END | \ | |
| 140 | SDHCI_INT_DATA_AVAIL | SDHCI_INT_SPACE_AVAIL | \ | |
| 141 | SDHCI_INT_DATA_TIMEOUT | SDHCI_INT_DATA_CRC | \ | |
| 142 | SDHCI_INT_DATA_END_BIT | SDHCI_INT_ADMA_ERROR) | |
| 143 | #define SDHCI_INT_ALL_MASK ((unsigned int)-1) | |
| 144 | ||
| 145 | #define SDHCI_ACMD12_ERR 0x3C | |
| 146 | ||
| 147 | /* 3E-3F reserved */ | |
| 148 | ||
| 149 | #define SDHCI_CAPABILITIES 0x40 | |
| 150 | #define SDHCI_TIMEOUT_CLK_MASK 0x0000003F | |
| 151 | #define SDHCI_TIMEOUT_CLK_SHIFT 0 | |
| 152 | #define SDHCI_TIMEOUT_CLK_UNIT 0x00000080 | |
| 153 | #define SDHCI_CLOCK_BASE_MASK 0x00003F00 | |
| 154 | #define SDHCI_CLOCK_V3_BASE_MASK 0x0000FF00 | |
| 155 | #define SDHCI_CLOCK_BASE_SHIFT 8 | |
| 156 | #define SDHCI_MAX_BLOCK_MASK 0x00030000 | |
| 157 | #define SDHCI_MAX_BLOCK_SHIFT 16 | |
| 158 | #define SDHCI_CAN_DO_8BIT 0x00040000 | |
| 159 | #define SDHCI_CAN_DO_ADMA2 0x00080000 | |
| 160 | #define SDHCI_CAN_DO_ADMA1 0x00100000 | |
| 161 | #define SDHCI_CAN_DO_HISPD 0x00200000 | |
| 162 | #define SDHCI_CAN_DO_SDMA 0x00400000 | |
| 163 | #define SDHCI_CAN_VDD_330 0x01000000 | |
| 164 | #define SDHCI_CAN_VDD_300 0x02000000 | |
| 165 | #define SDHCI_CAN_VDD_180 0x04000000 | |
| 166 | #define SDHCI_CAN_64BIT 0x10000000 | |
| 167 | ||
| 168 | #define SDHCI_CAPABILITIES_1 0x44 | |
| 169 | ||
| 170 | #define SDHCI_MAX_CURRENT 0x48 | |
| 171 | ||
| 172 | /* 4C-4F reserved for more max current */ | |
| 173 | ||
| 174 | #define SDHCI_SET_ACMD12_ERROR 0x50 | |
| 175 | #define SDHCI_SET_INT_ERROR 0x52 | |
| 176 | ||
| 177 | #define SDHCI_ADMA_ERROR 0x54 | |
| 178 | ||
| 179 | /* 55-57 reserved */ | |
| 180 | ||
| 181 | #define SDHCI_ADMA_ADDRESS 0x58 | |
| 182 | ||
| 183 | /* 60-FB reserved */ | |
| 184 | ||
| 185 | #define SDHCI_SLOT_INT_STATUS 0xFC | |
| 186 | ||
| 187 | #define SDHCI_HOST_VERSION 0xFE | |
| 188 | #define SDHCI_VENDOR_VER_MASK 0xFF00 | |
| 189 | #define SDHCI_VENDOR_VER_SHIFT 8 | |
| 190 | #define SDHCI_SPEC_VER_MASK 0x00FF | |
| 191 | #define SDHCI_SPEC_VER_SHIFT 0 | |
| 192 | #define SDHCI_SPEC_100 0 | |
| 193 | #define SDHCI_SPEC_200 1 | |
| 194 | #define SDHCI_SPEC_300 2 | |
| 195 | ||
| 113e5dfc JC |
196 | #define SDHCI_GET_VERSION(x) (x->version & SDHCI_SPEC_VER_MASK) |
| 197 | ||
| af62a557 LW |
198 | /* |
| 199 | * End of controller registers. | |
| 200 | */ | |
| 201 | ||
| 202 | #define SDHCI_MAX_DIV_SPEC_200 256 | |
| 203 | #define SDHCI_MAX_DIV_SPEC_300 2046 | |
| 204 | ||
| 205 | /* | |
| 206 | * quirks | |
| 207 | */ | |
| 208 | #define SDHCI_QUIRK_32BIT_DMA_ADDR (1 << 0) | |
| 5af9a569 | 209 | #define SDHCI_QUIRK_REG32_RW (1 << 1) |
| 3a638320 | 210 | #define SDHCI_QUIRK_BROKEN_R1B (1 << 2) |
| 236bfecf JC |
211 | #define SDHCI_QUIRK_NO_HISPD_BIT (1 << 3) |
| 212 | #define SDHCI_QUIRK_BROKEN_VOLTAGE (1 << 4) | |
| 470dcc75 | 213 | #define SDHCI_QUIRK_NO_CD (1 << 5) |
| 13243f2e | 214 | #define SDHCI_QUIRK_WAIT_SEND_CMD (1 << 6) |
| 688c2d14 | 215 | #define SDHCI_QUIRK_NO_SIMULT_VDD_AND_POWER (1 << 7) |
| 113e5dfc | 216 | #define SDHCI_QUIRK_USE_WIDE8 (1 << 8) |
| af62a557 | 217 | |
| 0d2f15f9 LW |
218 | /* to make gcc happy */ |
| 219 | struct sdhci_host; | |
| 220 | ||
| af62a557 LW |
221 | /* |
| 222 | * Host SDMA buffer boundary. Valid values from 4K to 512K in powers of 2. | |
| 223 | */ | |
| 224 | #define SDHCI_DEFAULT_BOUNDARY_SIZE (512 * 1024) | |
| 225 | #define SDHCI_DEFAULT_BOUNDARY_ARG (7) | |
| 226 | struct sdhci_ops { | |
| 227 | #ifdef CONFIG_MMC_SDHCI_IO_ACCESSORS | |
| 228 | u32 (*read_l)(struct sdhci_host *host, int reg); | |
| 229 | u16 (*read_w)(struct sdhci_host *host, int reg); | |
| 230 | u8 (*read_b)(struct sdhci_host *host, int reg); | |
| 231 | void (*write_l)(struct sdhci_host *host, u32 val, int reg); | |
| 232 | void (*write_w)(struct sdhci_host *host, u16 val, int reg); | |
| 233 | void (*write_b)(struct sdhci_host *host, u8 val, int reg); | |
| 234 | #endif | |
| 235 | }; | |
| 236 | ||
| 237 | struct sdhci_host { | |
| 238 | char *name; | |
| 239 | void *ioaddr; | |
| 240 | unsigned int quirks; | |
| 236bfecf | 241 | unsigned int host_caps; |
| af62a557 LW |
242 | unsigned int version; |
| 243 | unsigned int clock; | |
| 6cf1b17c | 244 | struct mmc *mmc; |
| af62a557 | 245 | const struct sdhci_ops *ops; |
| b09ed6e4 | 246 | int index; |
| 236bfecf | 247 | |
| 3577fe8b | 248 | int bus_width; |
| 0347960b SG |
249 | struct gpio_desc pwr_gpio; /* Power GPIO */ |
| 250 | struct gpio_desc cd_gpio; /* Card Detect GPIO */ | |
| 3577fe8b | 251 | |
| 236bfecf | 252 | void (*set_control_reg)(struct sdhci_host *host); |
| b09ed6e4 | 253 | void (*set_clock)(int dev_index, unsigned int div); |
| 236bfecf | 254 | uint voltages; |
| 93bfd616 PA |
255 | |
| 256 | struct mmc_config cfg; | |
| af62a557 LW |
257 | }; |
| 258 | ||
| 259 | #ifdef CONFIG_MMC_SDHCI_IO_ACCESSORS | |
| 260 | ||
| 261 | static inline void sdhci_writel(struct sdhci_host *host, u32 val, int reg) | |
| 262 | { | |
| 263 | if (unlikely(host->ops->write_l)) | |
| 264 | host->ops->write_l(host, val, reg); | |
| 265 | else | |
| 266 | writel(val, host->ioaddr + reg); | |
| 267 | } | |
| 268 | ||
| 269 | static inline void sdhci_writew(struct sdhci_host *host, u16 val, int reg) | |
| 270 | { | |
| 271 | if (unlikely(host->ops->write_w)) | |
| 272 | host->ops->write_w(host, val, reg); | |
| 273 | else | |
| 274 | writew(val, host->ioaddr + reg); | |
| 275 | } | |
| 276 | ||
| 277 | static inline void sdhci_writeb(struct sdhci_host *host, u8 val, int reg) | |
| 278 | { | |
| 279 | if (unlikely(host->ops->write_b)) | |
| 280 | host->ops->write_b(host, val, reg); | |
| 281 | else | |
| 282 | writeb(val, host->ioaddr + reg); | |
| 283 | } | |
| 284 | ||
| 285 | static inline u32 sdhci_readl(struct sdhci_host *host, int reg) | |
| 286 | { | |
| 287 | if (unlikely(host->ops->read_l)) | |
| 288 | return host->ops->read_l(host, reg); | |
| 289 | else | |
| 290 | return readl(host->ioaddr + reg); | |
| 291 | } | |
| 292 | ||
| 293 | static inline u16 sdhci_readw(struct sdhci_host *host, int reg) | |
| 294 | { | |
| 295 | if (unlikely(host->ops->read_w)) | |
| 296 | return host->ops->read_w(host, reg); | |
| 297 | else | |
| 298 | return readw(host->ioaddr + reg); | |
| 299 | } | |
| 300 | ||
| 301 | static inline u8 sdhci_readb(struct sdhci_host *host, int reg) | |
| 302 | { | |
| 303 | if (unlikely(host->ops->read_b)) | |
| 304 | return host->ops->read_b(host, reg); | |
| 305 | else | |
| 306 | return readb(host->ioaddr + reg); | |
| 307 | } | |
| 308 | ||
| 309 | #else | |
| 310 | ||
| 311 | static inline void sdhci_writel(struct sdhci_host *host, u32 val, int reg) | |
| 312 | { | |
| 313 | writel(val, host->ioaddr + reg); | |
| 314 | } | |
| 315 | ||
| 316 | static inline void sdhci_writew(struct sdhci_host *host, u16 val, int reg) | |
| 317 | { | |
| 318 | writew(val, host->ioaddr + reg); | |
| 319 | } | |
| 320 | ||
| 321 | static inline void sdhci_writeb(struct sdhci_host *host, u8 val, int reg) | |
| 322 | { | |
| 323 | writeb(val, host->ioaddr + reg); | |
| 324 | } | |
| 325 | static inline u32 sdhci_readl(struct sdhci_host *host, int reg) | |
| 326 | { | |
| 327 | return readl(host->ioaddr + reg); | |
| 328 | } | |
| 329 | ||
| 330 | static inline u16 sdhci_readw(struct sdhci_host *host, int reg) | |
| 331 | { | |
| 332 | return readw(host->ioaddr + reg); | |
| 333 | } | |
| 334 | ||
| 335 | static inline u8 sdhci_readb(struct sdhci_host *host, int reg) | |
| 336 | { | |
| 337 | return readb(host->ioaddr + reg); | |
| 338 | } | |
| 339 | #endif | |
| 340 | ||
| 341 | int add_sdhci(struct sdhci_host *host, u32 max_clk, u32 min_clk); | |
| 342 | #endif /* __SDHCI_HW_H */ |