1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2006 M. Warner Losh <imp@FreeBSD.org> 5 * Copyright (c) 2017 Marius Strobl <marius@FreeBSD.org> 6 * Copyright (c) 2015-2016 Ilya Bakulin <kibab@FreeBSD.org> 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * Portions of this software may have been developed with reference to 29 * the SD Simplified Specification. The following disclaimer may apply: 30 * 31 * The following conditions apply to the release of the simplified 32 * specification ("Simplified Specification") by the SD Card Association and 33 * the SD Group. The Simplified Specification is a subset of the complete SD 34 * Specification which is owned by the SD Card Association and the SD 35 * Group. This Simplified Specification is provided on a non-confidential 36 * basis subject to the disclaimers below. Any implementation of the 37 * Simplified Specification may require a license from the SD Card 38 * Association, SD Group, SD-3C LLC or other third parties. 39 * 40 * Disclaimers: 41 * 42 * The information contained in the Simplified Specification is presented only 43 * as a standard specification for SD Cards and SD Host/Ancillary products and 44 * is provided "AS-IS" without any representations or warranties of any 45 * kind. No responsibility is assumed by the SD Group, SD-3C LLC or the SD 46 * Card Association for any damages, any infringements of patents or other 47 * right of the SD Group, SD-3C LLC, the SD Card Association or any third 48 * parties, which may result from its use. No license is granted by 49 * implication, estoppel or otherwise under any patent or other rights of the 50 * SD Group, SD-3C LLC, the SD Card Association or any third party. Nothing 51 * herein shall be construed as an obligation by the SD Group, the SD-3C LLC 52 * or the SD Card Association to disclose or distribute any technical 53 * information, know-how or other confidential information to any third party. 54 * 55 * $FreeBSD$ 56 */ 57 58 #ifndef DEV_MMC_MMCREG_H 59 #define DEV_MMC_MMCREG_H 60 61 /* 62 * This file contains the register definitions for the mmc and sd buses. 63 * They are taken from publicly available sources. 64 */ 65 66 struct mmc_data; 67 struct mmc_request; 68 69 struct mmc_command { 70 uint32_t opcode; 71 uint32_t arg; 72 uint32_t resp[4]; 73 uint32_t flags; /* Expected responses */ 74 #define MMC_RSP_PRESENT (1ul << 0) /* Response */ 75 #define MMC_RSP_136 (1ul << 1) /* 136 bit response */ 76 #define MMC_RSP_CRC (1ul << 2) /* Expect valid crc */ 77 #define MMC_RSP_BUSY (1ul << 3) /* Card may send busy */ 78 #define MMC_RSP_OPCODE (1ul << 4) /* Response include opcode */ 79 #define MMC_RSP_MASK 0x1ful 80 #define MMC_CMD_AC (0ul << 5) /* Addressed Command, no data */ 81 #define MMC_CMD_ADTC (1ul << 5) /* Addressed Data transfer cmd */ 82 #define MMC_CMD_BC (2ul << 5) /* Broadcast command, no response */ 83 #define MMC_CMD_BCR (3ul << 5) /* Broadcast command with response */ 84 #define MMC_CMD_MASK (3ul << 5) 85 86 /* Possible response types defined in the standard: */ 87 #define MMC_RSP_NONE (0) 88 #define MMC_RSP_R1 (MMC_RSP_PRESENT | MMC_RSP_CRC | MMC_RSP_OPCODE) 89 #define MMC_RSP_R1B (MMC_RSP_PRESENT | MMC_RSP_CRC | MMC_RSP_OPCODE | MMC_RSP_BUSY) 90 #define MMC_RSP_R2 (MMC_RSP_PRESENT | MMC_RSP_136 | MMC_RSP_CRC) 91 #define MMC_RSP_R3 (MMC_RSP_PRESENT) 92 #define MMC_RSP_R4 (MMC_RSP_PRESENT) 93 #define MMC_RSP_R5 (MMC_RSP_PRESENT | MMC_RSP_CRC | MMC_RSP_OPCODE) 94 #define MMC_RSP_R5B (MMC_RSP_PRESENT | MMC_RSP_CRC | MMC_RSP_OPCODE | MMC_RSP_BUSY) 95 #define MMC_RSP_R6 (MMC_RSP_PRESENT | MMC_RSP_CRC | MMC_RSP_OPCODE) 96 #define MMC_RSP_R7 (MMC_RSP_PRESENT | MMC_RSP_CRC | MMC_RSP_OPCODE) 97 #define MMC_RSP(x) ((x) & MMC_RSP_MASK) 98 uint32_t retries; 99 uint32_t error; 100 #define MMC_ERR_NONE 0 101 #define MMC_ERR_TIMEOUT 1 102 #define MMC_ERR_BADCRC 2 103 #define MMC_ERR_FIFO 3 104 #define MMC_ERR_FAILED 4 105 #define MMC_ERR_INVALID 5 106 #define MMC_ERR_NO_MEMORY 6 107 #define MMC_ERR_MAX 6 108 struct mmc_data *data; /* Data segment with cmd */ 109 struct mmc_request *mrq; /* backpointer to request */ 110 }; 111 112 /* 113 * R1 responses 114 * 115 * Types (per SD 2.0 standard) 116 * e : error bit 117 * s : status bit 118 * r : detected and set for the actual command response 119 * x : Detected and set during command execution. The host can get 120 * the status by issuing a command with R1 response. 121 * 122 * Clear Condition (per SD 2.0 standard) 123 * a : according to the card current state. 124 * b : always related to the previous command. reception of a valid 125 * command will clear it (with a delay of one command). 126 * c : clear by read 127 */ 128 #define R1_OUT_OF_RANGE (1u << 31) /* erx, c */ 129 #define R1_ADDRESS_ERROR (1u << 30) /* erx, c */ 130 #define R1_BLOCK_LEN_ERROR (1u << 29) /* erx, c */ 131 #define R1_ERASE_SEQ_ERROR (1u << 28) /* er, c */ 132 #define R1_ERASE_PARAM (1u << 27) /* erx, c */ 133 #define R1_WP_VIOLATION (1u << 26) /* erx, c */ 134 #define R1_CARD_IS_LOCKED (1u << 25) /* sx, a */ 135 #define R1_LOCK_UNLOCK_FAILED (1u << 24) /* erx, c */ 136 #define R1_COM_CRC_ERROR (1u << 23) /* er, b */ 137 #define R1_ILLEGAL_COMMAND (1u << 22) /* er, b */ 138 #define R1_CARD_ECC_FAILED (1u << 21) /* erx, c */ 139 #define R1_CC_ERROR (1u << 20) /* erx, c */ 140 #define R1_ERROR (1u << 19) /* erx, c */ 141 #define R1_CSD_OVERWRITE (1u << 16) /* erx, c */ 142 #define R1_WP_ERASE_SKIP (1u << 15) /* erx, c */ 143 #define R1_CARD_ECC_DISABLED (1u << 14) /* sx, a */ 144 #define R1_ERASE_RESET (1u << 13) /* sr, c */ 145 #define R1_CURRENT_STATE_MASK (0xfu << 9) /* sx, b */ 146 #define R1_READY_FOR_DATA (1u << 8) /* sx, a */ 147 #define R1_SWITCH_ERROR (1u << 7) /* sx, c */ 148 #define R1_APP_CMD (1u << 5) /* sr, c */ 149 #define R1_AKE_SEQ_ERROR (1u << 3) /* er, c */ 150 #define R1_STATUS(x) ((x) & 0xFFFFE000) 151 #define R1_CURRENT_STATE(x) (((x) & R1_CURRENT_STATE_MASK) >> 9) 152 #define R1_STATE_IDLE 0 153 #define R1_STATE_READY 1 154 #define R1_STATE_IDENT 2 155 #define R1_STATE_STBY 3 156 #define R1_STATE_TRAN 4 157 #define R1_STATE_DATA 5 158 #define R1_STATE_RCV 6 159 #define R1_STATE_PRG 7 160 #define R1_STATE_DIS 8 161 162 /* R4 responses (SDIO) */ 163 #define R4_IO_NUM_FUNCTIONS(ocr) (((ocr) >> 28) & 0x3) 164 #define R4_IO_MEM_PRESENT (0x1 << 27) 165 #define R4_IO_OCR_MASK 0x00fffff0 166 167 /* 168 * R5 responses 169 * 170 * Types (per SD 2.0 standard) 171 * e : error bit 172 * s : status bit 173 * r : detected and set for the actual command response 174 * x : Detected and set during command execution. The host can get 175 * the status by issuing a command with R1 response. 176 * 177 * Clear Condition (per SD 2.0 standard) 178 * a : according to the card current state. 179 * b : always related to the previous command. reception of a valid 180 * command will clear it (with a delay of one command). 181 * c : clear by read 182 */ 183 #define R5_COM_CRC_ERROR (1u << 15) /* er, b */ 184 #define R5_ILLEGAL_COMMAND (1u << 14) /* er, b */ 185 #define R5_IO_CURRENT_STATE_MASK (3u << 12) /* s, b */ 186 #define R5_IO_CURRENT_STATE(x) (((x) & R5_IO_CURRENT_STATE_MASK) >> 12) 187 #define R5_ERROR (1u << 11) /* erx, c */ 188 #define R5_FUNCTION_NUMBER (1u << 9) /* er, c */ 189 #define R5_OUT_OF_RANGE (1u << 8) /* er, c */ 190 191 struct mmc_data { 192 size_t len; /* size of the data */ 193 size_t xfer_len; 194 void *data; /* data buffer */ 195 uint32_t flags; 196 #define MMC_DATA_WRITE (1UL << 0) 197 #define MMC_DATA_READ (1UL << 1) 198 #define MMC_DATA_STREAM (1UL << 2) 199 #define MMC_DATA_MULTI (1UL << 3) 200 #define MMC_DATA_BLOCK_SIZE (1UL << 4) 201 struct mmc_request *mrq; 202 size_t block_size; /* block size for CMD53 */ 203 size_t block_count; /* block count for CMD53 */ 204 }; 205 206 struct mmc_request { 207 struct mmc_command *cmd; 208 struct mmc_command *stop; 209 void (*done)(struct mmc_request *); /* Completion function */ 210 void *done_data; /* requestor set data */ 211 uint32_t flags; 212 #define MMC_REQ_DONE 1 213 #define MMC_TUNE_DONE 2 214 }; 215 216 /* Command definitions */ 217 218 /* Class 0 and 1: Basic commands & read stream commands */ 219 #define MMC_GO_IDLE_STATE 0 220 #define MMC_SEND_OP_COND 1 221 #define MMC_ALL_SEND_CID 2 222 #define MMC_SET_RELATIVE_ADDR 3 223 #define SD_SEND_RELATIVE_ADDR 3 224 #define MMC_SET_DSR 4 225 #define MMC_SLEEP_AWAKE 5 226 #define IO_SEND_OP_COND 5 227 #define MMC_SWITCH_FUNC 6 228 #define MMC_SWITCH_FUNC_CMDS 0 229 #define MMC_SWITCH_FUNC_SET 1 230 #define MMC_SWITCH_FUNC_CLR 2 231 #define MMC_SWITCH_FUNC_WR 3 232 #define MMC_SELECT_CARD 7 233 #define MMC_DESELECT_CARD 7 234 #define MMC_SEND_EXT_CSD 8 235 #define SD_SEND_IF_COND 8 236 #define MMC_SEND_CSD 9 237 #define MMC_SEND_CID 10 238 #define MMC_READ_DAT_UNTIL_STOP 11 239 #define MMC_STOP_TRANSMISSION 12 240 #define MMC_SEND_STATUS 13 241 #define MMC_BUSTEST_R 14 242 #define MMC_GO_INACTIVE_STATE 15 243 #define MMC_BUSTEST_W 19 244 245 /* Class 2: Block oriented read commands */ 246 #define MMC_SET_BLOCKLEN 16 247 #define MMC_READ_SINGLE_BLOCK 17 248 #define MMC_READ_MULTIPLE_BLOCK 18 249 #define MMC_SEND_TUNING_BLOCK 19 250 #define MMC_SEND_TUNING_BLOCK_HS200 21 251 252 /* Class 3: Stream write commands */ 253 #define MMC_WRITE_DAT_UNTIL_STOP 20 254 /* reserved: 22 */ 255 256 /* Class 4: Block oriented write commands */ 257 #define MMC_SET_BLOCK_COUNT 23 258 #define MMC_WRITE_BLOCK 24 259 #define MMC_WRITE_MULTIPLE_BLOCK 25 260 #define MMC_PROGARM_CID 26 261 #define MMC_PROGRAM_CSD 27 262 263 /* Class 6: Block oriented write protection commands */ 264 #define MMC_SET_WRITE_PROT 28 265 #define MMC_CLR_WRITE_PROT 29 266 #define MMC_SEND_WRITE_PROT 30 267 /* reserved: 31 */ 268 269 /* Class 5: Erase commands */ 270 #define SD_ERASE_WR_BLK_START 32 271 #define SD_ERASE_WR_BLK_END 33 272 /* 34 -- reserved old command */ 273 #define MMC_ERASE_GROUP_START 35 274 #define MMC_ERASE_GROUP_END 36 275 /* 37 -- reserved old command */ 276 #define MMC_ERASE 38 277 #define MMC_ERASE_ERASE 0x00000000 278 #define MMC_ERASE_TRIM 0x00000001 279 #define MMC_ERASE_FULE 0x00000002 280 #define MMC_ERASE_DISCARD 0x00000003 281 #define MMC_ERASE_SECURE_ERASE 0x80000000 282 #define MMC_ERASE_SECURE_TRIM1 0x80000001 283 #define MMC_ERASE_SECURE_TRIM2 0x80008000 284 285 /* Class 9: I/O mode commands */ 286 #define MMC_FAST_IO 39 287 #define MMC_GO_IRQ_STATE 40 288 /* reserved: 41 */ 289 290 /* Class 7: Lock card */ 291 #define MMC_LOCK_UNLOCK 42 292 /* reserved: 43 */ 293 /* reserved: 44 */ 294 /* reserved: 45 */ 295 /* reserved: 46 */ 296 /* reserved: 47 */ 297 /* reserved: 48 */ 298 /* reserved: 49 */ 299 /* reserved: 50 */ 300 /* reserved: 51 */ 301 /* reserved: 54 */ 302 303 /* Class 8: Application specific commands */ 304 #define MMC_APP_CMD 55 305 #define MMC_GEN_CMD 56 306 /* reserved: 57 */ 307 /* reserved: 58 */ 308 /* reserved: 59 */ 309 /* reserved for mfg: 60 */ 310 /* reserved for mfg: 61 */ 311 /* reserved for mfg: 62 */ 312 /* reserved for mfg: 63 */ 313 314 /* Class 9: I/O cards (sd) */ 315 #define SD_IO_RW_DIRECT 52 316 /* CMD52 arguments */ 317 #define SD_ARG_CMD52_READ (0 << 31) 318 #define SD_ARG_CMD52_WRITE (1 << 31) 319 #define SD_ARG_CMD52_FUNC_SHIFT 28 320 #define SD_ARG_CMD52_FUNC_MASK 0x7 321 #define SD_ARG_CMD52_EXCHANGE (1 << 27) 322 #define SD_ARG_CMD52_REG_SHIFT 9 323 #define SD_ARG_CMD52_REG_MASK 0x1ffff 324 #define SD_ARG_CMD52_DATA_SHIFT 0 325 #define SD_ARG_CMD52_DATA_MASK 0xff 326 #define SD_R5_DATA(resp) ((resp)[0] & 0xff) 327 328 #define SD_IO_RW_EXTENDED 53 329 /* CMD53 arguments */ 330 #define SD_ARG_CMD53_READ (0 << 31) 331 #define SD_ARG_CMD53_WRITE (1 << 31) 332 #define SD_ARG_CMD53_FUNC_SHIFT 28 333 #define SD_ARG_CMD53_FUNC_MASK 0x7 334 #define SD_ARG_CMD53_BLOCK_MODE (1 << 27) 335 #define SD_ARG_CMD53_INCREMENT (1 << 26) 336 #define SD_ARG_CMD53_REG_SHIFT 9 337 #define SD_ARG_CMD53_REG_MASK 0x1ffff 338 #define SD_ARG_CMD53_LENGTH_SHIFT 0 339 #define SD_ARG_CMD53_LENGTH_MASK 0x1ff 340 #define SD_ARG_CMD53_LENGTH_MAX 64 /* XXX should be 511? */ 341 342 /* Class 10: Switch function commands */ 343 #define SD_SWITCH_FUNC 6 344 /* reserved: 34 */ 345 /* reserved: 35 */ 346 /* reserved: 36 */ 347 /* reserved: 37 */ 348 /* reserved: 50 */ 349 /* reserved: 57 */ 350 351 /* Application specific commands for SD */ 352 #define ACMD_SET_BUS_WIDTH 6 353 #define ACMD_SD_STATUS 13 354 #define ACMD_SEND_NUM_WR_BLOCKS 22 355 #define ACMD_SET_WR_BLK_ERASE_COUNT 23 356 #define ACMD_SD_SEND_OP_COND 41 357 #define ACMD_SET_CLR_CARD_DETECT 42 358 #define ACMD_SEND_SCR 51 359 360 /* 361 * EXT_CSD fields 362 */ 363 #define EXT_CSD_FLUSH_CACHE 32 /* W/E */ 364 #define EXT_CSD_CACHE_CTRL 33 /* R/W/E */ 365 #define EXT_CSD_EXT_PART_ATTR 52 /* R/W, 2 bytes */ 366 #define EXT_CSD_ENH_START_ADDR 136 /* R/W, 4 bytes */ 367 #define EXT_CSD_ENH_SIZE_MULT 140 /* R/W, 3 bytes */ 368 #define EXT_CSD_GP_SIZE_MULT 143 /* R/W, 12 bytes */ 369 #define EXT_CSD_PART_SET 155 /* R/W */ 370 #define EXT_CSD_PART_ATTR 156 /* R/W */ 371 #define EXT_CSD_PART_SUPPORT 160 /* RO */ 372 #define EXT_CSD_RPMB_MULT 168 /* RO */ 373 #define EXT_CSD_BOOT_WP_STATUS 174 /* RO */ 374 #define EXT_CSD_ERASE_GRP_DEF 175 /* R/W */ 375 #define EXT_CSD_PART_CONFIG 179 /* R/W */ 376 #define EXT_CSD_BUS_WIDTH 183 /* R/W */ 377 #define EXT_CSD_STROBE_SUPPORT 184 /* RO */ 378 #define EXT_CSD_HS_TIMING 185 /* R/W */ 379 #define EXT_CSD_POWER_CLASS 187 /* R/W */ 380 #define EXT_CSD_CARD_TYPE 196 /* RO */ 381 #define EXT_CSD_DRIVER_STRENGTH 197 /* RO */ 382 #define EXT_CSD_REV 192 /* RO */ 383 #define EXT_CSD_PART_SWITCH_TO 199 /* RO */ 384 #define EXT_CSD_PWR_CL_52_195 200 /* RO */ 385 #define EXT_CSD_PWR_CL_26_195 201 /* RO */ 386 #define EXT_CSD_PWR_CL_52_360 202 /* RO */ 387 #define EXT_CSD_PWR_CL_26_360 203 /* RO */ 388 #define EXT_CSD_SEC_CNT 212 /* RO, 4 bytes */ 389 #define EXT_CSD_HC_WP_GRP_SIZE 221 /* RO */ 390 #define EXT_CSD_ERASE_TO_MULT 223 /* RO */ 391 #define EXT_CSD_ERASE_GRP_SIZE 224 /* RO */ 392 #define EXT_CSD_BOOT_SIZE_MULT 226 /* RO */ 393 #define EXT_CSD_SEC_FEATURE_SUPPORT 231 /* RO */ 394 #define EXT_CSD_PWR_CL_200_195 236 /* RO */ 395 #define EXT_CSD_PWR_CL_200_360 237 /* RO */ 396 #define EXT_CSD_PWR_CL_52_195_DDR 238 /* RO */ 397 #define EXT_CSD_PWR_CL_52_360_DDR 239 /* RO */ 398 #define EXT_CSD_CACHE_FLUSH_POLICY 249 /* RO */ 399 #define EXT_CSD_GEN_CMD6_TIME 248 /* RO */ 400 #define EXT_CSD_CACHE_SIZE 249 /* RO, 4 bytes */ 401 #define EXT_CSD_PWR_CL_200_360_DDR 253 /* RO */ 402 403 /* 404 * EXT_CSD field definitions 405 */ 406 #define EXT_CSD_FLUSH_CACHE_FLUSH 0x01 407 #define EXT_CSD_FLUSH_CACHE_BARRIER 0x02 408 409 #define EXT_CSD_CACHE_CTRL_CACHE_EN 0x01 410 411 #define EXT_CSD_EXT_PART_ATTR_DEFAULT 0x0 412 #define EXT_CSD_EXT_PART_ATTR_SYSTEMCODE 0x1 413 #define EXT_CSD_EXT_PART_ATTR_NPERSISTENT 0x2 414 415 #define EXT_CSD_PART_SET_COMPLETED 0x01 416 417 #define EXT_CSD_PART_ATTR_ENH_USR 0x01 418 #define EXT_CSD_PART_ATTR_ENH_GP0 0x02 419 #define EXT_CSD_PART_ATTR_ENH_GP1 0x04 420 #define EXT_CSD_PART_ATTR_ENH_GP2 0x08 421 #define EXT_CSD_PART_ATTR_ENH_GP3 0x10 422 #define EXT_CSD_PART_ATTR_ENH_MASK 0x1f 423 424 #define EXT_CSD_PART_SUPPORT_EN 0x01 425 #define EXT_CSD_PART_SUPPORT_ENH_ATTR_EN 0x02 426 #define EXT_CSD_PART_SUPPORT_EXT_ATTR_EN 0x04 427 428 #define EXT_CSD_BOOT_WP_STATUS_BOOT0_PWR 0x01 429 #define EXT_CSD_BOOT_WP_STATUS_BOOT0_PERM 0x02 430 #define EXT_CSD_BOOT_WP_STATUS_BOOT0_MASK 0x03 431 #define EXT_CSD_BOOT_WP_STATUS_BOOT1_PWR 0x04 432 #define EXT_CSD_BOOT_WP_STATUS_BOOT1_PERM 0x08 433 #define EXT_CSD_BOOT_WP_STATUS_BOOT1_MASK 0x0c 434 435 #define EXT_CSD_ERASE_GRP_DEF_EN 0x01 436 437 #define EXT_CSD_PART_CONFIG_ACC_DEFAULT 0x00 438 #define EXT_CSD_PART_CONFIG_ACC_BOOT0 0x01 439 #define EXT_CSD_PART_CONFIG_ACC_BOOT1 0x02 440 #define EXT_CSD_PART_CONFIG_ACC_RPMB 0x03 441 #define EXT_CSD_PART_CONFIG_ACC_GP0 0x04 442 #define EXT_CSD_PART_CONFIG_ACC_GP1 0x05 443 #define EXT_CSD_PART_CONFIG_ACC_GP2 0x06 444 #define EXT_CSD_PART_CONFIG_ACC_GP3 0x07 445 #define EXT_CSD_PART_CONFIG_ACC_MASK 0x07 446 #define EXT_CSD_PART_CONFIG_BOOT0 0x08 447 #define EXT_CSD_PART_CONFIG_BOOT1 0x10 448 #define EXT_CSD_PART_CONFIG_BOOT_USR 0x38 449 #define EXT_CSD_PART_CONFIG_BOOT_MASK 0x38 450 #define EXT_CSD_PART_CONFIG_BOOT_ACK 0x40 451 452 #define EXT_CSD_CMD_SET_NORMAL 1 453 #define EXT_CSD_CMD_SET_SECURE 2 454 #define EXT_CSD_CMD_SET_CPSECURE 4 455 456 #define EXT_CSD_HS_TIMING_BC 0 457 #define EXT_CSD_HS_TIMING_HS 1 458 #define EXT_CSD_HS_TIMING_HS200 2 459 #define EXT_CSD_HS_TIMING_HS400 3 460 #define EXT_CSD_HS_TIMING_DRV_STR_SHIFT 4 461 462 #define EXT_CSD_POWER_CLASS_8BIT_MASK 0xf0 463 #define EXT_CSD_POWER_CLASS_8BIT_SHIFT 4 464 #define EXT_CSD_POWER_CLASS_4BIT_MASK 0x0f 465 #define EXT_CSD_POWER_CLASS_4BIT_SHIFT 0 466 467 #define EXT_CSD_CARD_TYPE_HS_26 0x0001 468 #define EXT_CSD_CARD_TYPE_HS_52 0x0002 469 #define EXT_CSD_CARD_TYPE_DDR_52_1_8V 0x0004 470 #define EXT_CSD_CARD_TYPE_DDR_52_1_2V 0x0008 471 #define EXT_CSD_CARD_TYPE_HS200_1_8V 0x0010 472 #define EXT_CSD_CARD_TYPE_HS200_1_2V 0x0020 473 #define EXT_CSD_CARD_TYPE_HS400_1_8V 0x0040 474 #define EXT_CSD_CARD_TYPE_HS400_1_2V 0x0080 475 476 #define EXT_CSD_BUS_WIDTH_1 0 477 #define EXT_CSD_BUS_WIDTH_4 1 478 #define EXT_CSD_BUS_WIDTH_8 2 479 #define EXT_CSD_BUS_WIDTH_4_DDR 5 480 #define EXT_CSD_BUS_WIDTH_8_DDR 6 481 #define EXT_CSD_BUS_WIDTH_ES 0x80 482 483 #define EXT_CSD_STROBE_SUPPORT_EN 0x01 484 485 #define EXT_CSD_SEC_FEATURE_SUPPORT_ER_EN 0x01 486 #define EXT_CSD_SEC_FEATURE_SUPPORT_BD_BLK_EN 0x04 487 #define EXT_CSD_SEC_FEATURE_SUPPORT_GB_CL_EN 0x10 488 #define EXT_CSD_SEC_FEATURE_SUPPORT_SANITIZE 0x40 489 490 #define EXT_CSD_CACHE_FLUSH_POLICY_FIFO 0x01 491 492 /* 493 * Vendor specific EXT_CSD fields 494 */ 495 /* SanDisk iNAND */ 496 #define EXT_CSD_INAND_CMD38 113 497 #define EXT_CSD_INAND_CMD38_ERASE 0x00 498 #define EXT_CSD_INAND_CMD38_TRIM 0x01 499 #define EXT_CSD_INAND_CMD38_SECURE_ERASE 0x80 500 #define EXT_CSD_INAND_CMD38_SECURE_TRIM1 0x81 501 #define EXT_CSD_INAND_CMD38_SECURE_TRIM2 0x82 502 503 #define MMC_TYPE_HS_26_MAX 26000000 504 #define MMC_TYPE_HS_52_MAX 52000000 505 #define MMC_TYPE_DDR52_MAX 52000000 506 #define MMC_TYPE_HS200_HS400ES_MAX 200000000 507 508 /* 509 * SD bus widths 510 */ 511 #define SD_BUS_WIDTH_1 0 512 #define SD_BUS_WIDTH_4 2 513 514 /* 515 * SD Switch 516 */ 517 #define SD_SWITCH_MODE_CHECK 0 518 #define SD_SWITCH_MODE_SET 1 519 #define SD_SWITCH_GROUP1 0 520 #define SD_SWITCH_NORMAL_MODE 0 521 #define SD_SWITCH_HS_MODE 1 522 #define SD_SWITCH_SDR50_MODE 2 523 #define SD_SWITCH_SDR104_MODE 3 524 #define SD_SWITCH_DDR50 4 525 #define SD_SWITCH_NOCHANGE 0xF 526 527 #define SD_CLR_CARD_DETECT 0 528 #define SD_SET_CARD_DETECT 1 529 530 #define SD_HS_MAX 50000000 531 #define SD_DDR50_MAX 50000000 532 #define SD_SDR12_MAX 25000000 533 #define SD_SDR25_MAX 50000000 534 #define SD_SDR50_MAX 100000000 535 #define SD_SDR104_MAX 208000000 536 537 /* Specifications require 400 kHz max. during ID phase. */ 538 #define SD_MMC_CARD_ID_FREQUENCY 400000 539 540 /* 541 * SDIO Direct & Extended I/O 542 */ 543 #define SD_IO_RW_WR (1u << 31) 544 #define SD_IO_RW_FUNC(x) (((x) & 0x7) << 28) 545 #define SD_IO_RW_RAW (1u << 27) 546 #define SD_IO_RW_INCR (1u << 26) 547 #define SD_IO_RW_ADR(x) (((x) & 0x1FFFF) << 9) 548 #define SD_IO_RW_DAT(x) (((x) & 0xFF) << 0) 549 #define SD_IO_RW_LEN(x) (((x) & 0xFF) << 0) 550 551 #define SD_IOE_RW_LEN(x) (((x) & 0x1FF) << 0) 552 #define SD_IOE_RW_ADR(x) (((x) & 0x1FFFF) << 9) 553 #define SD_IOE_RW_INCR (1u << 26) 554 #define SD_IOE_RW_BLK (1u << 27) 555 #define SD_IOE_RW_FUNC(x) (((x) & 0x7) << 28) 556 #define SD_IOE_RW_WR (1u << 31) 557 558 /* Card Common Control Registers (CCCR) */ 559 #define SD_IO_CCCR_START 0x00000 /* Offset in F0 address space */ 560 #define SD_IO_CCCR_SIZE 0x100 /* Total size of CCCR */ 561 #define SD_IO_CCCR_FN_ENABLE 0x02 /* Enabled functions */ 562 #define SD_IO_CCCR_FN_READY 0x03 /* Function ready status */ 563 #define SD_IO_CCCR_INT_ENABLE 0x04 /* Per-function interrupt enable */ 564 #define SD_IO_CCCR_INT_PENDING 0x05 /* Per-function interrupt pending */ 565 #define SD_IO_CCCR_CTL 0x06 /* I/O Abort register */ 566 #define CCCR_CTL_RES (1 << 3) /* Perform SDIO reset */ 567 #define SD_IO_CCCR_BUS_WIDTH 0x07 /* Bus Width register */ 568 #define CCCR_BUS_WIDTH_4 (1 << 1) 569 #define CCCR_BUS_WIDTH_1 (1 << 0) 570 #define SD_IO_CCCR_CARDCAP 0x08 /* SDIO card capabilities */ 571 #define CCCR_CC_SMB (1 << 1) /* CMD53 block mode support */ 572 #define CCCR_CC_LSC (1 << 6) 573 574 #define SD_IO_CCCR_CISPTR 0x09 /* 0x09 - 0x0B */ 575 #define SD_IO_CCCR_FN0_BLKSZ 0x10 /* 0x10 - 0x11 */ 576 #define SD_IO_CCCR_SPEED 0x13 577 #define CCCR_SPEED_SHS (1 << 0) 578 #define CCCR_SPEED_BSS_MASK (0x7 << 1) 579 #define CCCR_SPEED_EHS (1 << 1) 580 #define CCCR_SPEED_SDR12 (0 << 1) 581 #define CCCR_SPEED_SDR25 (1 << 1) 582 #define CCCR_SPEED_SDR50 (2 << 1) 583 #define CCCR_SPEED_SDR104 (3 << 1) 584 #define CCCR_SPEED_DDR50 (4 << 1) 585 586 /* Function Basic Registers (FBR) */ 587 #define SD_IO_FBR_START 0x00100 /* Offset in F0 address space */ 588 #define SD_IO_FBR_SIZE 0x00700 /* Total size of FBR */ 589 #define SD_IO_FBR_F_SIZE 0x00100 /* Size of each function */ 590 #define SD_IO_FBR_START_F(n) (SD_IO_FBR_START + (n-1) * SD_IO_FBR_F_SIZE) 591 #define SD_IO_FBR_CIS_OFFSET 0x9 /* Offset of this function's info block within CIS area */ 592 #define SD_IO_FBR_IOBLKSZ 0x10 /* Block size for CMD53 block mode operations */ 593 594 /* Card Information Structure (CIS) */ 595 #define SD_IO_CIS_START 0x01000 /* Offset in F0 address space */ 596 #define SD_IO_CIS_SIZE 0x17000 /* Total size of CIS */ 597 598 /* CIS tuple codes (based on PC Card 16) */ 599 #define SD_IO_CISTPL_VERS_1 0x15 600 #define SD_IO_CISTPL_MANFID 0x20 601 #define SD_IO_CISTPL_FUNCID 0x21 602 #define SD_IO_CISTPL_FUNCE 0x22 603 #define SD_IO_CISTPL_END 0xff 604 605 /* CISTPL_FUNCID codes */ 606 /* OpenBSD incorrectly defines 0x0c as FUNCTION_WLAN */ 607 /* #define SDMMC_FUNCTION_WLAN 0x0c */ 608 609 /* OCR bits */ 610 611 /* 612 * in SD 2.0 spec, bits 8-14 are now marked reserved 613 * Low voltage in SD2.0 spec is bit 7, TBD voltage 614 * Low voltage in MC 3.31 spec is bit 7, 1.65-1.95V 615 * Specs prior to MMC 3.31 defined bits 0-7 as voltages down to 1.5V. 616 * 3.31 redefined them to be reserved and also said that cards had to 617 * support the 2.7-3.6V and fixed the OCR to be 0xfff8000 for high voltage 618 * cards. MMC 4.0 says that a dual voltage card responds with 0xfff8080. 619 * Looks like the fine-grained control of the voltage tolerance ranges 620 * was abandoned. 621 * 622 * The MMC_OCR_CCS appears to be valid for only SD cards. 623 */ 624 #define MMC_OCR_VOLTAGE 0x3fffffffU /* Vdd Voltage mask */ 625 #define MMC_OCR_LOW_VOLTAGE (1u << 7) /* Low Voltage Range -- tbd */ 626 #define MMC_OCR_MIN_VOLTAGE_SHIFT 7 627 #define MMC_OCR_200_210 (1U << 8) /* Vdd voltage 2.00 ~ 2.10 */ 628 #define MMC_OCR_210_220 (1U << 9) /* Vdd voltage 2.10 ~ 2.20 */ 629 #define MMC_OCR_220_230 (1U << 10) /* Vdd voltage 2.20 ~ 2.30 */ 630 #define MMC_OCR_230_240 (1U << 11) /* Vdd voltage 2.30 ~ 2.40 */ 631 #define MMC_OCR_240_250 (1U << 12) /* Vdd voltage 2.40 ~ 2.50 */ 632 #define MMC_OCR_250_260 (1U << 13) /* Vdd voltage 2.50 ~ 2.60 */ 633 #define MMC_OCR_260_270 (1U << 14) /* Vdd voltage 2.60 ~ 2.70 */ 634 #define MMC_OCR_270_280 (1U << 15) /* Vdd voltage 2.70 ~ 2.80 */ 635 #define MMC_OCR_280_290 (1U << 16) /* Vdd voltage 2.80 ~ 2.90 */ 636 #define MMC_OCR_290_300 (1U << 17) /* Vdd voltage 2.90 ~ 3.00 */ 637 #define MMC_OCR_300_310 (1U << 18) /* Vdd voltage 3.00 ~ 3.10 */ 638 #define MMC_OCR_310_320 (1U << 19) /* Vdd voltage 3.10 ~ 3.20 */ 639 #define MMC_OCR_320_330 (1U << 20) /* Vdd voltage 3.20 ~ 3.30 */ 640 #define MMC_OCR_330_340 (1U << 21) /* Vdd voltage 3.30 ~ 3.40 */ 641 #define MMC_OCR_340_350 (1U << 22) /* Vdd voltage 3.40 ~ 3.50 */ 642 #define MMC_OCR_350_360 (1U << 23) /* Vdd voltage 3.50 ~ 3.60 */ 643 #define MMC_OCR_MAX_VOLTAGE_SHIFT 23 644 #define MMC_OCR_S18R (1U << 24) /* Switching to 1.8 V requested (SD) */ 645 #define MMC_OCR_S18A MMC_OCR_S18R /* Switching to 1.8 V accepted (SD) */ 646 #define MMC_OCR_XPC (1U << 28) /* SDXC Power Control */ 647 #define MMC_OCR_ACCESS_MODE_BYTE (0U << 29) /* Access Mode Byte (MMC) */ 648 #define MMC_OCR_ACCESS_MODE_SECT (1U << 29) /* Access Mode Sector (MMC) */ 649 #define MMC_OCR_ACCESS_MODE_MASK (3U << 29) 650 #define MMC_OCR_CCS (1u << 30) /* Card Capacity status (SD vs SDHC) */ 651 #define MMC_OCR_CARD_BUSY (1U << 31) /* Card Power up status */ 652 653 /* CSD -- decoded structure */ 654 struct mmc_cid { 655 uint32_t mid; 656 char pnm[8]; 657 uint32_t psn; 658 uint16_t oid; 659 uint16_t mdt_year; 660 uint8_t mdt_month; 661 uint8_t prv; 662 uint8_t fwrev; 663 }; 664 665 struct mmc_csd { 666 uint8_t csd_structure; 667 uint8_t spec_vers; 668 uint16_t ccc; 669 uint16_t tacc; 670 uint32_t nsac; 671 uint32_t r2w_factor; 672 uint32_t tran_speed; 673 uint32_t read_bl_len; 674 uint32_t write_bl_len; 675 uint32_t vdd_r_curr_min; 676 uint32_t vdd_r_curr_max; 677 uint32_t vdd_w_curr_min; 678 uint32_t vdd_w_curr_max; 679 uint32_t wp_grp_size; 680 uint32_t erase_sector; 681 uint64_t capacity; 682 unsigned int read_bl_partial:1, 683 read_blk_misalign:1, 684 write_bl_partial:1, 685 write_blk_misalign:1, 686 dsr_imp:1, 687 erase_blk_en:1, 688 wp_grp_enable:1; 689 }; 690 691 struct mmc_scr { 692 unsigned char sda_vsn; 693 unsigned char bus_widths; 694 #define SD_SCR_BUS_WIDTH_1 (1 << 0) 695 #define SD_SCR_BUS_WIDTH_4 (1 << 2) 696 }; 697 698 struct mmc_sd_status { 699 uint8_t bus_width; 700 uint8_t secured_mode; 701 uint16_t card_type; 702 uint16_t prot_area; 703 uint8_t speed_class; 704 uint8_t perf_move; 705 uint8_t au_size; 706 uint16_t erase_size; 707 uint8_t erase_timeout; 708 uint8_t erase_offset; 709 }; 710 711 struct mmc_quirk { 712 uint32_t mid; 713 #define MMC_QUIRK_MID_ANY ((uint32_t)-1) 714 uint16_t oid; 715 #define MMC_QUIRK_OID_ANY ((uint16_t)-1) 716 const char *pnm; 717 uint32_t quirks; 718 #define MMC_QUIRK_INAND_CMD38 0x0001 719 #define MMC_QUIRK_BROKEN_TRIM 0x0002 720 }; 721 722 #define MMC_QUIRKS_FMT "\020" "\001INAND_CMD38" "\002BROKEN_TRIM" 723 724 /* 725 * Various MMC/SD constants 726 */ 727 #define MMC_BOOT_RPMB_BLOCK_SIZE (128 * 1024) 728 729 #define MMC_EXTCSD_SIZE 512 730 731 #define MMC_PART_GP_MAX 4 732 #define MMC_PART_MAX 8 733 734 #define MMC_TUNING_MAX 64 /* Maximum tuning iterations */ 735 #define MMC_TUNING_LEN 64 /* Size of tuning data */ 736 #define MMC_TUNING_LEN_HS200 128 /* Size of tuning data in HS200 mode */ 737 738 /* 739 * Older versions of the MMC standard had a variable sector size. However, 740 * I've been able to find no old MMC or SD cards that have a non 512 741 * byte sector size anywhere, so we assume that such cards are very rare 742 * and only note their existence in passing here... 743 */ 744 #define MMC_SECTOR_SIZE 512 745 746 #endif /* DEV_MMCREG_H */ 747