2 * Copyright (c) 2006 M. Warner Losh. All rights reserved.
3 * Copyright (c) 2017 Marius Strobl <marius@FreeBSD.org>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 * Portions of this software may have been developed with reference to
26 * the SD Simplified Specification. The following disclaimer may apply:
28 * The following conditions apply to the release of the simplified
29 * specification ("Simplified Specification") by the SD Card Association and
30 * the SD Group. The Simplified Specification is a subset of the complete SD
31 * Specification which is owned by the SD Card Association and the SD
32 * Group. This Simplified Specification is provided on a non-confidential
33 * basis subject to the disclaimers below. Any implementation of the
34 * Simplified Specification may require a license from the SD Card
35 * Association, SD Group, SD-3C LLC or other third parties.
39 * The information contained in the Simplified Specification is presented only
40 * as a standard specification for SD Cards and SD Host/Ancillary products and
41 * is provided "AS-IS" without any representations or warranties of any
42 * kind. No responsibility is assumed by the SD Group, SD-3C LLC or the SD
43 * Card Association for any damages, any infringements of patents or other
44 * right of the SD Group, SD-3C LLC, the SD Card Association or any third
45 * parties, which may result from its use. No license is granted by
46 * implication, estoppel or otherwise under any patent or other rights of the
47 * SD Group, SD-3C LLC, the SD Card Association or any third party. Nothing
48 * herein shall be construed as an obligation by the SD Group, the SD-3C LLC
49 * or the SD Card Association to disclose or distribute any technical
50 * information, know-how or other confidential information to any third party.
55 #ifndef DEV_MMC_MMCREG_H
56 #define DEV_MMC_MMCREG_H
59 * This file contains the register definitions for the mmc and sd buses.
60 * They are taken from publicly available sources.
70 uint32_t flags; /* Expected responses */
71 #define MMC_RSP_PRESENT (1ul << 0) /* Response */
72 #define MMC_RSP_136 (1ul << 1) /* 136 bit response */
73 #define MMC_RSP_CRC (1ul << 2) /* Expect valid crc */
74 #define MMC_RSP_BUSY (1ul << 3) /* Card may send busy */
75 #define MMC_RSP_OPCODE (1ul << 4) /* Response include opcode */
76 #define MMC_RSP_MASK 0x1ful
77 #define MMC_CMD_AC (0ul << 5) /* Addressed Command, no data */
78 #define MMC_CMD_ADTC (1ul << 5) /* Addressed Data transfer cmd */
79 #define MMC_CMD_BC (2ul << 5) /* Broadcast command, no response */
80 #define MMC_CMD_BCR (3ul << 5) /* Broadcast command with response */
81 #define MMC_CMD_MASK (3ul << 5)
83 /* Possible response types defined in the standard: */
84 #define MMC_RSP_NONE (0)
85 #define MMC_RSP_R1 (MMC_RSP_PRESENT | MMC_RSP_CRC | MMC_RSP_OPCODE)
86 #define MMC_RSP_R1B (MMC_RSP_PRESENT | MMC_RSP_CRC | MMC_RSP_OPCODE | MMC_RSP_BUSY)
87 #define MMC_RSP_R2 (MMC_RSP_PRESENT | MMC_RSP_136 | MMC_RSP_CRC)
88 #define MMC_RSP_R3 (MMC_RSP_PRESENT)
89 #define MMC_RSP_R4 (MMC_RSP_PRESENT)
90 #define MMC_RSP_R5 (MMC_RSP_PRESENT | MMC_RSP_CRC | MMC_RSP_OPCODE)
91 #define MMC_RSP_R5B (MMC_RSP_PRESENT | MMC_RSP_CRC | MMC_RSP_OPCODE | MMC_RSP_BUSY)
92 #define MMC_RSP_R6 (MMC_RSP_PRESENT | MMC_RSP_CRC | MMC_RSP_OPCODE)
93 #define MMC_RSP_R7 (MMC_RSP_PRESENT | MMC_RSP_CRC | MMC_RSP_OPCODE)
94 #define MMC_RSP(x) ((x) & MMC_RSP_MASK)
97 #define MMC_ERR_NONE 0
98 #define MMC_ERR_TIMEOUT 1
99 #define MMC_ERR_BADCRC 2
100 #define MMC_ERR_FIFO 3
101 #define MMC_ERR_FAILED 4
102 #define MMC_ERR_INVALID 5
103 #define MMC_ERR_NO_MEMORY 6
104 #define MMC_ERR_MAX 6
105 struct mmc_data *data; /* Data segment with cmd */
106 struct mmc_request *mrq; /* backpointer to request */
112 * Types (per SD 2.0 standard)
115 * r : detected and set for the actual command response
116 * x : Detected and set during command execution. The host can get
117 * the status by issuing a command with R1 response.
119 * Clear Condition (per SD 2.0 standard)
120 * a : according to the card current state.
121 * b : always related to the previous command. reception of a valid
122 * command will clear it (with a delay of one command).
125 #define R1_OUT_OF_RANGE (1u << 31) /* erx, c */
126 #define R1_ADDRESS_ERROR (1u << 30) /* erx, c */
127 #define R1_BLOCK_LEN_ERROR (1u << 29) /* erx, c */
128 #define R1_ERASE_SEQ_ERROR (1u << 28) /* er, c */
129 #define R1_ERASE_PARAM (1u << 27) /* erx, c */
130 #define R1_WP_VIOLATION (1u << 26) /* erx, c */
131 #define R1_CARD_IS_LOCKED (1u << 25) /* sx, a */
132 #define R1_LOCK_UNLOCK_FAILED (1u << 24) /* erx, c */
133 #define R1_COM_CRC_ERROR (1u << 23) /* er, b */
134 #define R1_ILLEGAL_COMMAND (1u << 22) /* er, b */
135 #define R1_CARD_ECC_FAILED (1u << 21) /* erx, c */
136 #define R1_CC_ERROR (1u << 20) /* erx, c */
137 #define R1_ERROR (1u << 19) /* erx, c */
138 #define R1_CSD_OVERWRITE (1u << 16) /* erx, c */
139 #define R1_WP_ERASE_SKIP (1u << 15) /* erx, c */
140 #define R1_CARD_ECC_DISABLED (1u << 14) /* sx, a */
141 #define R1_ERASE_RESET (1u << 13) /* sr, c */
142 #define R1_CURRENT_STATE_MASK (0xfu << 9) /* sx, b */
143 #define R1_READY_FOR_DATA (1u << 8) /* sx, a */
144 #define R1_SWITCH_ERROR (1u << 7) /* sx, c */
145 #define R1_APP_CMD (1u << 5) /* sr, c */
146 #define R1_AKE_SEQ_ERROR (1u << 3) /* er, c */
147 #define R1_STATUS(x) ((x) & 0xFFFFE000)
148 #define R1_CURRENT_STATE(x) (((x) & R1_CURRENT_STATE_MASK) >> 9)
149 #define R1_STATE_IDLE 0
150 #define R1_STATE_READY 1
151 #define R1_STATE_IDENT 2
152 #define R1_STATE_STBY 3
153 #define R1_STATE_TRAN 4
154 #define R1_STATE_DATA 5
155 #define R1_STATE_RCV 6
156 #define R1_STATE_PRG 7
157 #define R1_STATE_DIS 8
160 size_t len; /* size of the data */
162 void *data; /* data buffer */
164 #define MMC_DATA_WRITE (1UL << 0)
165 #define MMC_DATA_READ (1UL << 1)
166 #define MMC_DATA_STREAM (1UL << 2)
167 #define MMC_DATA_MULTI (1UL << 3)
168 struct mmc_request *mrq;
172 struct mmc_command *cmd;
173 struct mmc_command *stop;
174 void (*done)(struct mmc_request *); /* Completion function */
175 void *done_data; /* requestor set data */
177 #define MMC_REQ_DONE 1
180 /* Command definitions */
182 /* Class 0 and 1: Basic commands & read stream commands */
183 #define MMC_GO_IDLE_STATE 0
184 #define MMC_SEND_OP_COND 1
185 #define MMC_ALL_SEND_CID 2
186 #define MMC_SET_RELATIVE_ADDR 3
187 #define SD_SEND_RELATIVE_ADDR 3
188 #define MMC_SET_DSR 4
189 #define MMC_SLEEP_AWAKE 5
190 #define MMC_SWITCH_FUNC 6
191 #define MMC_SWITCH_FUNC_CMDS 0
192 #define MMC_SWITCH_FUNC_SET 1
193 #define MMC_SWITCH_FUNC_CLR 2
194 #define MMC_SWITCH_FUNC_WR 3
195 #define MMC_SELECT_CARD 7
196 #define MMC_DESELECT_CARD 7
197 #define MMC_SEND_EXT_CSD 8
198 #define SD_SEND_IF_COND 8
199 #define MMC_SEND_CSD 9
200 #define MMC_SEND_CID 10
201 #define MMC_READ_DAT_UNTIL_STOP 11
202 #define MMC_STOP_TRANSMISSION 12
203 #define MMC_SEND_STATUS 13
204 #define MMC_BUSTEST_R 14
205 #define MMC_GO_INACTIVE_STATE 15
206 #define MMC_BUSTEST_W 19
208 /* Class 2: Block oriented read commands */
209 #define MMC_SET_BLOCKLEN 16
210 #define MMC_READ_SINGLE_BLOCK 17
211 #define MMC_READ_MULTIPLE_BLOCK 18
212 #define MMC_SEND_TUNING_BLOCK 19
213 #define MMC_SEND_TUNING_BLOCK_HS200 21
215 /* Class 3: Stream write commands */
216 #define MMC_WRITE_DAT_UNTIL_STOP 20
219 /* Class 4: Block oriented write commands */
220 #define MMC_SET_BLOCK_COUNT 23
221 #define MMC_WRITE_BLOCK 24
222 #define MMC_WRITE_MULTIPLE_BLOCK 25
223 #define MMC_PROGARM_CID 26
224 #define MMC_PROGRAM_CSD 27
226 /* Class 6: Block oriented write protection commands */
227 #define MMC_SET_WRITE_PROT 28
228 #define MMC_CLR_WRITE_PROT 29
229 #define MMC_SEND_WRITE_PROT 30
232 /* Class 5: Erase commands */
233 #define SD_ERASE_WR_BLK_START 32
234 #define SD_ERASE_WR_BLK_END 33
235 /* 34 -- reserved old command */
236 #define MMC_ERASE_GROUP_START 35
237 #define MMC_ERASE_GROUP_END 36
238 /* 37 -- reserved old command */
241 /* Class 9: I/O mode commands */
242 #define MMC_FAST_IO 39
243 #define MMC_GO_IRQ_STATE 40
246 /* Class 7: Lock card */
247 #define MMC_LOCK_UNLOCK 42
259 /* Class 8: Application specific commands */
260 #define MMC_APP_CMD 55
261 #define MMC_GEN_CMD 56
265 /* reserved for mfg: 60 */
266 /* reserved for mfg: 61 */
267 /* reserved for mfg: 62 */
268 /* reserved for mfg: 63 */
270 /* Class 9: I/O cards (sd) */
271 #define SD_IO_RW_DIRECT 52
272 #define SD_IO_RW_EXTENDED 53
274 /* Class 10: Switch function commands */
275 #define SD_SWITCH_FUNC 6
283 /* Application specific commands for SD */
284 #define ACMD_SET_BUS_WIDTH 6
285 #define ACMD_SD_STATUS 13
286 #define ACMD_SEND_NUM_WR_BLOCKS 22
287 #define ACMD_SET_WR_BLK_ERASE_COUNT 23
288 #define ACMD_SD_SEND_OP_COND 41
289 #define ACMD_SET_CLR_CARD_DETECT 42
290 #define ACMD_SEND_SCR 51
295 #define EXT_CSD_EXT_PART_ATTR 52 /* R/W, 2 bytes */
296 #define EXT_CSD_ENH_START_ADDR 136 /* R/W, 4 bytes */
297 #define EXT_CSD_ENH_SIZE_MULT 140 /* R/W, 3 bytes */
298 #define EXT_CSD_GP_SIZE_MULT 143 /* R/W, 12 bytes */
299 #define EXT_CSD_PART_SET 155 /* R/W */
300 #define EXT_CSD_PART_ATTR 156 /* R/W */
301 #define EXT_CSD_PART_SUPPORT 160 /* RO */
302 #define EXT_CSD_RPMB_MULT 168 /* RO */
303 #define EXT_CSD_BOOT_WP_STATUS 174 /* RO */
304 #define EXT_CSD_ERASE_GRP_DEF 175 /* R/W */
305 #define EXT_CSD_PART_CONFIG 179 /* R/W */
306 #define EXT_CSD_BUS_WIDTH 183 /* R/W */
307 #define EXT_CSD_STROBE_SUPPORT 184 /* RO */
308 #define EXT_CSD_HS_TIMING 185 /* R/W */
309 #define EXT_CSD_POWER_CLASS 187 /* R/W */
310 #define EXT_CSD_CARD_TYPE 196 /* RO */
311 #define EXT_CSD_DRIVER_STRENGTH 197 /* RO */
312 #define EXT_CSD_REV 192 /* RO */
313 #define EXT_CSD_PART_SWITCH_TO 199 /* RO */
314 #define EXT_CSD_PWR_CL_52_195 200 /* RO */
315 #define EXT_CSD_PWR_CL_26_195 201 /* RO */
316 #define EXT_CSD_PWR_CL_52_360 202 /* RO */
317 #define EXT_CSD_PWR_CL_26_360 203 /* RO */
318 #define EXT_CSD_SEC_CNT 212 /* RO, 4 bytes */
319 #define EXT_CSD_HC_WP_GRP_SIZE 221 /* RO */
320 #define EXT_CSD_ERASE_TO_MULT 223 /* RO */
321 #define EXT_CSD_ERASE_GRP_SIZE 224 /* RO */
322 #define EXT_CSD_BOOT_SIZE_MULT 226 /* RO */
323 #define EXT_CSD_PWR_CL_200_195 236 /* RO */
324 #define EXT_CSD_PWR_CL_200_360 237 /* RO */
325 #define EXT_CSD_PWR_CL_52_195_DDR 238 /* RO */
326 #define EXT_CSD_PWR_CL_52_360_DDR 239 /* RO */
327 #define EXT_CSD_GEN_CMD6_TIME 248 /* RO */
328 #define EXT_CSD_PWR_CL_200_360_DDR 253 /* RO */
331 * EXT_CSD field definitions
333 #define EXT_CSD_EXT_PART_ATTR_DEFAULT 0x0
334 #define EXT_CSD_EXT_PART_ATTR_SYSTEMCODE 0x1
335 #define EXT_CSD_EXT_PART_ATTR_NPERSISTENT 0x2
337 #define EXT_CSD_PART_SET_COMPLETED 0x01
339 #define EXT_CSD_PART_ATTR_ENH_USR 0x01
340 #define EXT_CSD_PART_ATTR_ENH_GP0 0x02
341 #define EXT_CSD_PART_ATTR_ENH_GP1 0x04
342 #define EXT_CSD_PART_ATTR_ENH_GP2 0x08
343 #define EXT_CSD_PART_ATTR_ENH_GP3 0x10
344 #define EXT_CSD_PART_ATTR_ENH_MASK 0x1f
346 #define EXT_CSD_PART_SUPPORT_EN 0x01
347 #define EXT_CSD_PART_SUPPORT_ENH_ATTR_EN 0x02
348 #define EXT_CSD_PART_SUPPORT_EXT_ATTR_EN 0x04
350 #define EXT_CSD_BOOT_WP_STATUS_BOOT0_PWR 0x01
351 #define EXT_CSD_BOOT_WP_STATUS_BOOT0_PERM 0x02
352 #define EXT_CSD_BOOT_WP_STATUS_BOOT0_MASK 0x03
353 #define EXT_CSD_BOOT_WP_STATUS_BOOT1_PWR 0x04
354 #define EXT_CSD_BOOT_WP_STATUS_BOOT1_PERM 0x08
355 #define EXT_CSD_BOOT_WP_STATUS_BOOT1_MASK 0x0c
357 #define EXT_CSD_ERASE_GRP_DEF_EN 0x01
359 #define EXT_CSD_PART_CONFIG_ACC_DEFAULT 0x00
360 #define EXT_CSD_PART_CONFIG_ACC_BOOT0 0x01
361 #define EXT_CSD_PART_CONFIG_ACC_BOOT1 0x02
362 #define EXT_CSD_PART_CONFIG_ACC_RPMB 0x03
363 #define EXT_CSD_PART_CONFIG_ACC_GP0 0x04
364 #define EXT_CSD_PART_CONFIG_ACC_GP1 0x05
365 #define EXT_CSD_PART_CONFIG_ACC_GP2 0x06
366 #define EXT_CSD_PART_CONFIG_ACC_GP3 0x07
367 #define EXT_CSD_PART_CONFIG_ACC_MASK 0x07
368 #define EXT_CSD_PART_CONFIG_BOOT0 0x08
369 #define EXT_CSD_PART_CONFIG_BOOT1 0x10
370 #define EXT_CSD_PART_CONFIG_BOOT_USR 0x38
371 #define EXT_CSD_PART_CONFIG_BOOT_MASK 0x38
372 #define EXT_CSD_PART_CONFIG_BOOT_ACK 0x40
374 #define EXT_CSD_CMD_SET_NORMAL 1
375 #define EXT_CSD_CMD_SET_SECURE 2
376 #define EXT_CSD_CMD_SET_CPSECURE 4
378 #define EXT_CSD_HS_TIMING_BC 0
379 #define EXT_CSD_HS_TIMING_HS 1
380 #define EXT_CSD_HS_TIMING_DDR200 2
381 #define EXT_CSD_HS_TIMING_DDR400 3
382 #define EXT_CSD_HS_TIMING_DRV_STR_SHIFT 4
384 #define EXT_CSD_POWER_CLASS_8BIT_MASK 0xf0
385 #define EXT_CSD_POWER_CLASS_8BIT_SHIFT 4
386 #define EXT_CSD_POWER_CLASS_4BIT_MASK 0x0f
387 #define EXT_CSD_POWER_CLASS_4BIT_SHIFT 0
389 #define EXT_CSD_CARD_TYPE_HS_26 0x0001
390 #define EXT_CSD_CARD_TYPE_HS_52 0x0002
391 #define EXT_CSD_CARD_TYPE_DDR_52_1_8V 0x0004
392 #define EXT_CSD_CARD_TYPE_DDR_52_1_2V 0x0008
393 #define EXT_CSD_CARD_TYPE_HS200_1_8V 0x0010
394 #define EXT_CSD_CARD_TYPE_HS200_1_2V 0x0020
395 #define EXT_CSD_CARD_TYPE_HS400_1_8V 0x0040
396 #define EXT_CSD_CARD_TYPE_HS400_1_2V 0x0080
397 #define EXT_CSD_CARD_TYPE_HS400ES 0x0100
399 #define EXT_CSD_BUS_WIDTH_1 0
400 #define EXT_CSD_BUS_WIDTH_4 1
401 #define EXT_CSD_BUS_WIDTH_8 2
402 #define EXT_CSD_BUS_WIDTH_4_DDR 5
403 #define EXT_CSD_BUS_WIDTH_8_DDR 6
404 #define EXT_CSD_BUS_WIDTH_ES 0x80
406 #define MMC_TYPE_HS_26_MAX 26000000
407 #define MMC_TYPE_HS_52_MAX 52000000
408 #define MMC_TYPE_DDR52_MAX 52000000
409 #define MMC_TYPE_HS200_HS400ES_MAX 200000000
414 #define SD_BUS_WIDTH_1 0
415 #define SD_BUS_WIDTH_4 2
420 #define SD_SWITCH_MODE_CHECK 0
421 #define SD_SWITCH_MODE_SET 1
422 #define SD_SWITCH_GROUP1 0
423 #define SD_SWITCH_NORMAL_MODE 0
424 #define SD_SWITCH_HS_MODE 1
425 #define SD_SWITCH_SDR50_MODE 2
426 #define SD_SWITCH_SDR104_MODE 3
427 #define SD_SWITCH_DDR50 4
428 #define SD_SWITCH_NOCHANGE 0xF
430 #define SD_CLR_CARD_DETECT 0
431 #define SD_SET_CARD_DETECT 1
433 #define SD_HS_MAX 50000000
434 #define SD_DDR50_MAX 50000000
435 #define SD_SDR12_MAX 25000000
436 #define SD_SDR25_MAX 50000000
437 #define SD_SDR50_MAX 100000000
438 #define SD_SDR104_MAX 208000000
440 /* Specifications require 400 kHz max. during ID phase. */
441 #define SD_MMC_CARD_ID_FREQUENCY 400000
446 * in SD 2.0 spec, bits 8-14 are now marked reserved
447 * Low voltage in SD2.0 spec is bit 7, TBD voltage
448 * Low voltage in MC 3.31 spec is bit 7, 1.65-1.95V
449 * Specs prior to MMC 3.31 defined bits 0-7 as voltages down to 1.5V.
450 * 3.31 redefined them to be reserved and also said that cards had to
451 * support the 2.7-3.6V and fixed the OCR to be 0xfff8000 for high voltage
452 * cards. MMC 4.0 says that a dual voltage card responds with 0xfff8080.
453 * Looks like the fine-grained control of the voltage tolerance ranges
456 * The MMC_OCR_CCS appears to be valid for only SD cards.
458 #define MMC_OCR_VOLTAGE 0x3fffffffU /* Vdd Voltage mask */
459 #define MMC_OCR_LOW_VOLTAGE (1u << 7) /* Low Voltage Range -- tbd */
460 #define MMC_OCR_MIN_VOLTAGE_SHIFT 7
461 #define MMC_OCR_200_210 (1U << 8) /* Vdd voltage 2.00 ~ 2.10 */
462 #define MMC_OCR_210_220 (1U << 9) /* Vdd voltage 2.10 ~ 2.20 */
463 #define MMC_OCR_220_230 (1U << 10) /* Vdd voltage 2.20 ~ 2.30 */
464 #define MMC_OCR_230_240 (1U << 11) /* Vdd voltage 2.30 ~ 2.40 */
465 #define MMC_OCR_240_250 (1U << 12) /* Vdd voltage 2.40 ~ 2.50 */
466 #define MMC_OCR_250_260 (1U << 13) /* Vdd voltage 2.50 ~ 2.60 */
467 #define MMC_OCR_260_270 (1U << 14) /* Vdd voltage 2.60 ~ 2.70 */
468 #define MMC_OCR_270_280 (1U << 15) /* Vdd voltage 2.70 ~ 2.80 */
469 #define MMC_OCR_280_290 (1U << 16) /* Vdd voltage 2.80 ~ 2.90 */
470 #define MMC_OCR_290_300 (1U << 17) /* Vdd voltage 2.90 ~ 3.00 */
471 #define MMC_OCR_300_310 (1U << 18) /* Vdd voltage 3.00 ~ 3.10 */
472 #define MMC_OCR_310_320 (1U << 19) /* Vdd voltage 3.10 ~ 3.20 */
473 #define MMC_OCR_320_330 (1U << 20) /* Vdd voltage 3.20 ~ 3.30 */
474 #define MMC_OCR_330_340 (1U << 21) /* Vdd voltage 3.30 ~ 3.40 */
475 #define MMC_OCR_340_350 (1U << 22) /* Vdd voltage 3.40 ~ 3.50 */
476 #define MMC_OCR_350_360 (1U << 23) /* Vdd voltage 3.50 ~ 3.60 */
477 #define MMC_OCR_MAX_VOLTAGE_SHIFT 23
478 #define MMC_OCR_S18R (1U << 24) /* Switching to 1.8 V requested (SD) */
479 #define MMC_OCR_S18A MMC_OCR_S18R /* Switching to 1.8 V accepted (SD) */
480 #define MMC_OCR_XPC (1U << 28) /* SDXC Power Control */
481 #define MMC_OCR_ACCESS_MODE_BYTE (0U << 29) /* Access Mode Byte (MMC) */
482 #define MMC_OCR_ACCESS_MODE_SECT (1U << 29) /* Access Mode Sector (MMC) */
483 #define MMC_OCR_ACCESS_MODE_MASK (3U << 29)
484 #define MMC_OCR_CCS (1u << 30) /* Card Capacity status (SD vs SDHC) */
485 #define MMC_OCR_CARD_BUSY (1U << 31) /* Card Power up status */
487 /* CSD -- decoded structure */
501 uint8_t csd_structure;
508 uint32_t read_bl_len;
509 uint32_t write_bl_len;
510 uint32_t vdd_r_curr_min;
511 uint32_t vdd_r_curr_max;
512 uint32_t vdd_w_curr_min;
513 uint32_t vdd_w_curr_max;
514 uint32_t wp_grp_size;
515 uint32_t erase_sector;
517 unsigned int read_bl_partial:1,
520 write_blk_misalign:1,
528 unsigned char sda_vsn;
529 unsigned char bus_widths;
530 #define SD_SCR_BUS_WIDTH_1 (1 << 0)
531 #define SD_SCR_BUS_WIDTH_4 (1 << 2)
537 uint8_t secured_mode;
544 uint8_t erase_timeout;
545 uint8_t erase_offset;
549 * Various MMC/SD constants
551 #define MMC_BOOT_RPMB_BLOCK_SIZE (128 * 1024)
553 #define MMC_EXTCSD_SIZE 512
555 #define MMC_PART_GP_MAX 4
556 #define MMC_PART_MAX 8
559 * Older versions of the MMC standard had a variable sector size. However,
560 * I've been able to find no old MMC or SD cards that have a non 512
561 * byte sector size anywhere, so we assume that such cards are very rare
562 * and only note their existence in passing here...
564 #define MMC_SECTOR_SIZE 512
566 #endif /* DEV_MMCREG_H */