bertos/cpu/cortex-m3/drv/sd_sam3.c

   1 /**
   2  * \file
   3  * <!--
   4  * This file is part of BeRTOS.
   5  *
   6  * Bertos is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  19  *
  20  * As a special exception, you may use this file as part of a free software
  21  * library without restriction.  Specifically, if other files instantiate
  22  * templates or use macros or inline functions from this file, or you compile
  23  * this file and link it with other files to produce an executable, this
  24  * file does not by itself cause the resulting executable to be covered by
  25  * the GNU General Public License.  This exception does not however
  26  * invalidate any other reasons why the executable file might be covered by
  27  * the GNU General Public License.
  28  *
  29  * Copyright 2011 Develer S.r.l. (http://www.develer.com/)
  30  * -->
  31  *
  32  * \brief Function library for secure digital memory.
  33  *
  34  * \author Daniele Basile <asterix@develer.com>
  35  */
  36
  37
  38 #include "hw/hw_sd.h"
  39 #include "cfg/cfg_sd.h"
  40
  41 #include <drv/sd.h>
  42 #include <drv/timer.h>
  43 #include <drv/hsmci_sam3.h>
  44
  45 #include <io/kfile.h>
  46 #include <io/kblock.h>
  47
  48 #include <fs/fat.h>
  49
  50 #define LOG_LEVEL  SD_LOG_LEVEL
  51 #define LOG_FORMAT SD_LOG_FORMAT
  52 #include <cfg/log.h>
  53 #include <cpu/power.h>
  54
  55 #include <string.h> /* memset */
  56
  57
  58 #define SD_SEND_ALL_CID        BV(0)
  59 #define SD_STATUS_APP_CMD      BV(5)
  60 #define SD_STATUS_READY        BV(8)
  61 #define SD_CARD_IS_LOCKED      BV(25)
  62
  63 #define SD_OCR_CCS              BV(30)     /**< SD Card Capacity Status (CCS) */
  64 #define SD_OCR_BUSY             BV(31)     /**< SD/MMC Card power up status bit (busy) */
  65
  66 #define SD_OCR_VDD_27_28        BV(15)
  67 #define SD_OCR_VDD_28_29        BV(16)
  68 #define SD_OCR_VDD_29_30        BV(17)
  69 #define SD_OCR_VDD_30_31        BV(18)
  70 #define SD_OCR_VDD_31_32        BV(19)
  71 #define SD_OCR_VDD_32_33        BV(20)
  72
  73
  74 #define SD_HOST_VOLTAGE_RANGE     (SD_OCR_VDD_27_28 | \
  75                                    SD_OCR_VDD_28_29 | \
  76                                    SD_OCR_VDD_29_30 | \
  77                                    SD_OCR_VDD_30_31 | \
  78                                    SD_OCR_VDD_31_32 | \
  79                                    SD_OCR_VDD_32_33)
  80
  81
  82 #define CMD8_V_RANGE_CHECK_PAT    0xAA
  83 #define CMD8_V_RANGE_27V_36V      (0x100 | CMD8_V_RANGE_CHECK_PAT)
  84 #define CMD8_V_RANGE_LOW          (0x1000 | CMD8_V_RANGE_CHECK_PAT)
  85 #define CMD8_V_ECHO_REPLY         0xFF
  86 #define CMD8_SUPP_V_RANGE_REPLY   0xFF00
  87
  88 #define SD_STATUS_ERROR          BV(19)
  89
  90 #define SD_GET_ERRORS(status)   ((status) & 0xFFF80000)
  91 #define SD_ADDR_TO_RCA(addr)    (uint32_t)(((addr) << 16) & 0xFFFF0000)
  92 #define SD_GET_STATE(status)    (uint8_t)(((status) & 0x1E00) >> 9)
  93
  94 static const uint32_t tran_exp[] =
  95 {
  96         10000,      100000,     1000000,    10000000,
  97         0,      0,      0,      0
  98 };
  99
 100 static const uint8_t tran_mant[] =
 101 {
 102         0,  10, 12, 13, 15, 20, 25, 30,
 103         35, 40, 45, 50, 55, 60, 70, 80,
 104 };
 105
 106
 107 void sd_dumpCsd(SdCSD *csd);
 108 void sd_dumpCid(SdCID *cid);
 109 void sd_dumpSsr(SdSSR *ssr);
 110
 111 void sd_sendInit(void);
 112 void sd_goIdle(void);
 113 int sd_sendIfCond(Sd *sd);
 114 int sd_sendAppOpCond(Sd *sd);
 115
 116 int sd_getCid(Sd *sd, SdCID *cid, uint32_t addr, uint8_t flag);
 117 int sd_getCsd(Sd *sd, SdCSD *csd);
 118 int sd_getSrc(Sd *sd);
 119
 120 int sd_appStatus(Sd *sd);
 121 int sd_getRelativeAddr(Sd *sd);
 122 int sd_getStatus(Sd *sd, SdSSR *ssr, uint32_t *buf, size_t words);
 123
 124 int sd_selectCard(Sd *sd);
 125 int sd_deSelectCard(Sd *sd);
 126 int sd_setBusWidth(Sd *sd, size_t len);
 127 int sd_set_BlockLen(Sd *sd, size_t len);
 128 void sd_setHightSpeed(Sd *sd);
 129
 130
 131 INLINE int sd_setBus4bit(Sd *sd)
 132 {
 133         return sd_setBusWidth(sd, 4);
 134 }
 135
 136 INLINE int sd_setBus1bit(Sd *sd)
 137 {
 138         return sd_setBusWidth(sd, 1);
 139 }
 140
 141
 142 LOG_INFOB(
 143 static void dump(const char *label, uint32_t *r, size_t len)
 144 {
 145         ASSERT(r);
 146         size_t i;
 147         int j = 0;
 148         kprintf("\n%s [\n", label);
 149         for (i = 0; i < len; i++)
 150         {
 151                 if (j == 5)
 152                 {
 153                         kputs("\n");
 154                         j = 0;
 155                 }
 156                 kprintf("%08lx ", r[i]);
 157                 j++;
 158         }
 159         kprintf("\n] len=%d\n\n", i);
 160 }
 161 )
 162
 163 void sd_dumpCsd(SdCSD *csd)
 164 {
 165         ASSERT(csd);
 166
 167         LOG_INFO("VERSION: %d.0\n", csd->structure ? 2 : 1);
 168         LOG_INFO("CARD COMMAND CLASS: %d\n", csd->ccc);
 169         LOG_INFO("MAX DATA RATE: %ld\n", csd->max_data_rate);
 170         LOG_INFO("WRITE BLK LEN BITS: %ld\n", csd->write_blk_bits);
 171         LOG_INFO("READ BLK LEN BITS: %ld\n", csd->read_blk_bits);
 172         LOG_INFO("ERASE SIZE: %ld\n", csd->erase_size);
 173         LOG_INFO("BLK NUM: %ld\n", csd->block_num);
 174         LOG_INFO("BLK LEN: %ld\n", csd->block_len);
 175         LOG_INFO("CAPACITY %ld\n", csd->capacity);
 176         LOG_INFO("FLAG Write: WP %d, W MISALIGN %d\n", csd->write_partial, csd->write_misalign);
 177         LOG_INFO("FLAG Read: RP %d, R MISALIGN %d\n", csd->read_partial, csd->read_misalign);
 178
 179 }
 180
 181 void sd_dumpCid(SdCID *cid)
 182 {
 183         ASSERT(cid);
 184
 185         LOG_INFO("MANFID: %d\n", cid->manfid);
 186         LOG_INFO("OEMID: %d\n", cid->oemid);
 187         LOG_INFO("SERIAL: %ld\n", cid->serial);
 188         LOG_INFO("PROD_NAME: %s\n", cid->prod_name);
 189         LOG_INFO("REV: %d.%d\n", cid->m_rev, cid->l_rev);
 190         LOG_INFO("OFF,Y,M: %lx, %ld %ld\n", cid->year_off, (BCD_TO_INT_32BIT(cid->year_off) / 12) + 2000,
 191                                                                                                 (BCD_TO_INT_32BIT(cid->year_off) % 12));
 192 }
 193
 194 void sd_dumpSsr(SdSSR *ssr)
 195 {
 196         ASSERT(ssr);
 197
 198         LOG_INFO("BUS_WIDTH: %d\n", ssr->bus_width);
 199         LOG_INFO("TYPE: %d\n", ssr->card_type);
 200         LOG_INFO("AU_TYPE: %d\n", ssr->au_size);
 201         LOG_INFO("ERASE_SIZE: %d\n", ssr->erase_size);
 202         LOG_INFO("SPEED_CLASS: %d\n", ssr->speed_class);
 203 }
 204
 205
 206 static int sd_decodeCsd(SdCSD *csd, uint32_t *resp, size_t len)
 207 {
 208         ASSERT(csd);
 209         ASSERT(resp);
 210         ASSERT(len >= 4);
 211
 212         csd->structure = UNSTUFF_BITS(resp, 126, 2);
 213         csd->ccc = UNSTUFF_BITS(resp, 84, 12);
 214
 215         csd->max_data_rate  = tran_exp[UNSTUFF_BITS(resp, 96, 3)] * tran_mant[UNSTUFF_BITS(resp, 99, 4)];
 216
 217         /*
 218          * CSD structure:
 219          * - 0:
 220          *              - Version 1.01-1.10
 221          *              - Version 2.00/Standard Capacity
 222          * - 1:
 223          *              - Version 2.00/High Capacity
 224          * - >1: not defined.
 225          */
 226
 227         if (csd->structure == 0)
 228         {
 229                 // (C_size + 1) x 2^(C_SIZE_MUL+2)
 230                 csd->block_num = (1 + UNSTUFF_BITS(resp, 62, 12)) << (UNSTUFF_BITS(resp, 47, 3) + 2);
 231
 232                 csd->read_blk_bits = UNSTUFF_BITS(resp, 80, 4);
 233                 csd->write_blk_bits = UNSTUFF_BITS(resp, 22, 4);
 234
 235                 csd->block_len = 1 << csd->read_blk_bits;
 236                 csd->capacity  = csd->block_num * csd->block_len;
 237
 238                 csd->read_partial = UNSTUFF_BITS(resp, 79, 1);
 239                 csd->read_misalign = UNSTUFF_BITS(resp, 77, 1);
 240
 241                 csd->write_misalign = UNSTUFF_BITS(resp, 78, 1);
 242                 csd->write_partial = UNSTUFF_BITS(resp, 21, 1);
 243
 244                 if (UNSTUFF_BITS(resp, 46, 1))
 245                 {
 246                         csd->erase_size = 1;
 247                 }
 248                 else if(csd->write_blk_bits >= 9)
 249                 {
 250                         csd->erase_size = UNSTUFF_BITS(resp, 39, 7) + 1;
 251                         csd->erase_size <<= csd->write_blk_bits - 9;
 252                 }
 253
 254                 return 0;
 255         }
 256         else if (csd->structure == 1)
 257         {
 258                 kprintf("csize %ld\n", UNSTUFF_BITS(resp, 48, 22));
 259                 csd->capacity  = (1 + UNSTUFF_BITS(resp, 48, 22)) << 10;
 260
 261                 csd->write_blk_bits = 9;
 262                 csd->write_partial = 0;
 263                 csd->write_misalign = 0;
 264
 265                 csd->read_blk_bits = 9;
 266                 csd->read_partial = 0;
 267                 csd->read_misalign = 0;
 268
 269                 csd->erase_size = 1;
 270                 // the block size if fixed to 512kb
 271                 csd->block_len = (1 << csd->write_blk_bits) << 10;
 272
 273                 return 0;
 274         }
 275         else
 276         {
 277                 kprintf("Unrecognised CSD structure version %d\n", csd->structure);
 278                 return -1;
 279         }
 280
 281         return 0;
 282 }
 283
 284 void sd_sendInit(void)
 285 {
 286         hsmci_init(NULL); //TODO: REMOVE IT!
 287
 288         if (hsmci_sendCmd(0, 0, HSMCI_CMDR_SPCMD_INIT | HSMCI_CMDR_RSPTYP_NORESP))
 289                 LOG_ERR("INIT: %lx\n", HSMCI_SR);
 290 }
 291
 292
 293 void sd_goIdle(void)
 294 {
 295         hsmci_setSpeed(HSMCI_INIT_SPEED, false);
 296         if (hsmci_sendCmd(0, 0, HSMCI_CMDR_RSPTYP_NORESP))
 297                 LOG_ERR("GO_IDLE: %lx\n", HSMCI_SR);
 298 }
 299
 300 int sd_sendIfCond(Sd *sd)
 301 {
 302         if (hsmci_sendCmd(8, CMD8_V_RANGE_27V_36V, HSMCI_CMDR_RSPTYP_48_BIT))
 303         {
 304                 LOG_ERR("IF_COND %lx\n", HSMCI_SR);
 305                 return -1;
 306         }
 307         hsmci_readResp(&(sd->status), 1);
 308         if (((sd->status) & 0xFFF) == CMD8_V_RANGE_27V_36V)
 309         {
 310                 LOG_INFO("IF_COND: %lx\n", (sd->status));
 311                 return 0;
 312         }
 313         LOG_ERR("IF_COND: %lx\n", (sd->status));
 314         return -1;
 315 }
 316
 317 int sd_sendAppOpCond(Sd *sd)
 318 {
 319         if (hsmci_sendCmd(55, 0, HSMCI_CMDR_RSPTYP_48_BIT))
 320         {
 321                 LOG_ERR("APP_CMD %lx\n", HSMCI_SR);
 322                 return -1;
 323         }
 324
 325         hsmci_readResp(&(sd->status), 1);
 326         if ((sd->status) & (SD_STATUS_APP_CMD | SD_STATUS_READY))
 327         {
 328                 if (hsmci_sendCmd(41, SD_HOST_VOLTAGE_RANGE | SD_OCR_CCS, HSMCI_CMDR_RSPTYP_48_BIT))// se cmd 8 va ok.
 329                 {
 330                         LOG_ERR("APP_OP_COND %lx\n", HSMCI_SR);
 331                         return -1;
 332                 }
 333                 else
 334                 {
 335                         hsmci_readResp(&(sd->status), 1);
 336                         if ((sd->status) & SD_OCR_BUSY)
 337                         {
 338                                 LOG_INFO("SD power up! Hight Capability [%d]\n", (bool)((sd->status) & SD_OCR_CCS));
 339                                 return 0;
 340                         }
 341                 }
 342         }
 343
 344         return -1;
 345 }
 346
 347
 348 int sd_getCid(Sd *sd, SdCID *cid, uint32_t addr, uint8_t flag)
 349 {
 350         ASSERT(sd);
 351         ASSERT(cid);
 352         memset(cid, 0, sizeof(SdCID));
 353
 354         uint8_t idx = 9; // CMD9 get cid from gived sd address (RCA)
 355         if (flag & SD_SEND_ALL_CID)
 356                 idx = 2;
 357
 358
 359         if (hsmci_sendCmd(idx, SD_ADDR_TO_RCA(addr), HSMCI_CMDR_RSPTYP_136_BIT))
 360         {
 361                 LOG_ERR("GET_CID %lx\n", HSMCI_SR);
 362                 return -1;
 363         }
 364         else
 365         {
 366                 uint32_t resp[4];
 367                 hsmci_readResp(resp, 4);
 368                 LOG_INFOB(dump("CID", resp, 4););
 369
 370                 cid->manfid        = UNSTUFF_BITS(resp, 120, 8);
 371                 cid->oemid         = UNSTUFF_BITS(resp, 104, 16);
 372                 cid->prod_name[0]      = UNSTUFF_BITS(resp, 96, 8);
 373                 cid->prod_name[1]      = UNSTUFF_BITS(resp, 88, 8);
 374                 cid->prod_name[2]      = UNSTUFF_BITS(resp, 80, 8);
 375                 cid->prod_name[3]      = UNSTUFF_BITS(resp, 72, 8);
 376                 cid->prod_name[4]      = UNSTUFF_BITS(resp, 64, 8);
 377                 cid->m_rev         = UNSTUFF_BITS(resp, 60, 4);
 378                 cid->l_rev         = UNSTUFF_BITS(resp, 56, 4);
 379                 cid->serial        = (uint32_t)UNSTUFF_BITS(resp, 24, 32);
 380                 cid->year_off      = UNSTUFF_BITS(resp, 8, 12);
 381         }
 382
 383         return 0;
 384 }
 385
 386 int sd_getCsd(Sd *sd, SdCSD *csd)
 387 {
 388         ASSERT(sd);
 389         ASSERT(csd);
 390         memset(csd, 0, sizeof(SdCSD));
 391
 392         LOG_INFO("Send to RCA: %lx\n", SD_ADDR_TO_RCA(sd->addr));
 393         if (hsmci_sendCmd(9, SD_ADDR_TO_RCA(sd->addr), HSMCI_CMDR_RSPTYP_136_BIT))
 394         {
 395                 LOG_ERR("GET_CSD %lx\n", HSMCI_SR);
 396                 return -1;
 397         }
 398         else
 399         {
 400                 uint32_t resp[4];
 401                 hsmci_readResp(resp, 4);
 402                 LOG_INFOB(dump("CSD", resp, 4););
 403                 sd_decodeCsd(csd, resp, 4);
 404         }
 405
 406         return 0;
 407 }
 408
 409 int sd_getRelativeAddr(Sd *sd)
 410 {
 411         ASSERT(sd);
 412         if (hsmci_sendCmd(3, 0, HSMCI_CMDR_RSPTYP_48_BIT))
 413         {
 414                 LOG_ERR("RCA: %lx\n", HSMCI_SR);
 415                 return -1;
 416         }
 417
 418         hsmci_readResp(&sd->addr, 1);
 419         sd->addr = sd->addr >> 16;
 420
 421         LOG_INFOB(dump("RCA", &sd->addr, 1););
 422
 423         return 0;
 424 }
 425
 426 int sd_appStatus(Sd *sd)
 427 {
 428         ASSERT(sd);
 429         LOG_INFO("Send to RCA: %lx\n", SD_ADDR_TO_RCA(sd->addr));
 430         if (hsmci_sendCmd(13, SD_ADDR_TO_RCA(sd->addr), HSMCI_CMDR_RSPTYP_48_BIT))
 431         {
 432                 LOG_ERR("STATUS: %lx\n", HSMCI_SR);
 433                 sd->status |= SD_STATUS_ERROR;
 434                 return -1;
 435         }
 436
 437         hsmci_readResp(&(sd->status), 1);
 438         LOG_INFOB(dump("STATUS", &(sd->status), 1););
 439
 440         LOG_INFO("State[%d]\n", SD_GET_STATE(sd->status));
 441
 442         if (sd->status & SD_STATUS_READY)
 443                 return 0;
 444
 445         return -1;
 446 }
 447
 448
 449 INLINE int sd_cardSelection(Sd *sd, uint32_t rca)
 450 {
 451         ASSERT(sd);
 452         LOG_INFO("Select RCA: %lx\n", rca);
 453         if (hsmci_sendCmd(7, rca, HSMCI_CMDR_RSPTYP_R1B))
 454         {
 455                 LOG_ERR("SELECT_SD: %lx\n", HSMCI_SR);
 456                 sd->status |= SD_STATUS_ERROR;
 457                 return -1;
 458         }
 459
 460         HSMCI_CHECK_BUSY();
 461         hsmci_readResp(&(sd->status), 1);
 462         LOG_INFOB(dump("SELECT_SD", &(sd->status), 1););
 463
 464         LOG_INFO("State[%d]\n", SD_GET_STATE(sd->status));
 465
 466         if (sd->status & SD_STATUS_READY)
 467                 return 0;
 468
 469         return -1;
 470 }
 471
 472 int sd_selectCard(Sd *sd)
 473 {
 474         ASSERT(sd);
 475         uint32_t rca = SD_ADDR_TO_RCA(sd->addr);
 476         LOG_INFO("Select RCA: %lx\n", rca);
 477         if (hsmci_sendCmd(7, rca, HSMCI_CMDR_RSPTYP_R1B))
 478         {
 479                 LOG_ERR("SELECT_SD: %lx\n", HSMCI_SR);
 480                 return -1;
 481         }
 482
 483         HSMCI_CHECK_BUSY();
 484         hsmci_readResp(&(sd->status), 1);
 485
 486         LOG_INFOB(dump("SELECT_SD", &(sd->status), 1););
 487         LOG_INFO("State[%d]\n", SD_GET_STATE(sd->status));
 488
 489         if (sd->status & SD_STATUS_READY)
 490                 return 0;
 491
 492         return -1;
 493 }
 494
 495 int sd_deSelectCard(Sd *sd)
 496 {
 497         ASSERT(sd);
 498
 499         uint32_t rca = 0;
 500         if (!sd->addr)
 501                 rca = SD_ADDR_TO_RCA(sd->addr + 1);
 502
 503         LOG_INFO("Select RCA: %lx\n", rca);
 504
 505         if (hsmci_sendCmd(7, rca, HSMCI_CMDR_RSPTYP_NORESP))
 506         {
 507                 LOG_ERR("DESELECT_SD: %lx\n", HSMCI_SR);
 508                 return -1;
 509         }
 510
 511         return 0;
 512 }
 513
 514 int sd_setBusWidth(Sd *sd, size_t len)
 515 {
 516         ASSERT(sd);
 517
 518         if (hsmci_sendCmd(55, SD_ADDR_TO_RCA(sd->addr), HSMCI_CMDR_RSPTYP_48_BIT))
 519         {
 520                 LOG_ERR("APP_CMD %lx\n", HSMCI_SR);
 521                 return -1;
 522         }
 523
 524         hsmci_readResp(&(sd->status), 1);
 525         if ((sd->status) & (SD_STATUS_APP_CMD | SD_STATUS_READY))
 526         {
 527
 528                 uint8_t arg = 0;
 529                 if (len == 4)
 530                         arg = 2;
 531
 532                 if (hsmci_sendCmd(6, arg, HSMCI_CMDR_RSPTYP_48_BIT))
 533                 {
 534                         LOG_ERR("SET_BUS_WIDTH CMD: %lx\n", HSMCI_SR);
 535                         return -1;
 536                 }
 537
 538                 hsmci_readResp(&(sd->status), 1);
 539
 540                 LOG_INFOB(dump("SET_BUS_WIDTH", &(sd->status), 1););
 541                 LOG_INFO("State[%d]\n", SD_GET_STATE(sd->status));
 542
 543                 if (sd->status & SD_STATUS_READY)
 544                 {
 545                         hsmci_setBusWidth(len);
 546                         return 0;
 547                 }
 548         }
 549
 550         LOG_ERR("SET_BUS_WIDTH REP %lx\n", (sd->status));
 551         return -1;
 552 }
 553
 554
 555 int sd_set_BlockLen(Sd *sd, size_t len)
 556 {
 557         ASSERT(sd);
 558
 559         if (hsmci_sendCmd(16, len, HSMCI_CMDR_RSPTYP_48_BIT))
 560         {
 561                 LOG_ERR("SET_BLK_LEN: %lx\n", HSMCI_SR);
 562                 return -1;
 563         }
 564
 565         hsmci_readResp(&(sd->status), 1);
 566
 567         LOG_INFOB(dump("SET_BLK_LEN", &(sd->status), 1););
 568         LOG_INFO("State[%d]\n", SD_GET_STATE(sd->status));
 569
 570         sd->b.blk_size = len;
 571
 572         if (sd->status & SD_STATUS_READY)
 573                 return 0;
 574
 575         return -1;
 576 }
 577
 578 int sd_getStatus(Sd *sd, SdSSR *ssr, uint32_t *buf, size_t words)
 579 {
 580         ASSERT(sd);
 581         ASSERT(ssr);
 582
 583         // Status reply with 512bit data, so the block size in byte is 64
 584         hsmci_read(buf, words, 64);
 585
 586         if (hsmci_sendCmd(55, SD_ADDR_TO_RCA(sd->addr), HSMCI_CMDR_RSPTYP_48_BIT))
 587         {
 588                 LOG_ERR("APP_CMD %lx\n", HSMCI_SR);
 589                 return -1;
 590         }
 591
 592         hsmci_readResp(&(sd->status), 1);
 593         if (sd->status & (SD_STATUS_APP_CMD | SD_STATUS_READY))
 594         {
 595                 if (hsmci_sendCmd(13, 0, HSMCI_CMDR_RSPTYP_48_BIT |
 596                                 BV(HSMCI_CMDR_TRDIR) | HSMCI_CMDR_TRCMD_START_DATA | HSMCI_CMDR_TRTYP_SINGLE))
 597                 {
 598                         LOG_ERR("STATUS CMD: %lx\n", HSMCI_SR);
 599                         return -1;
 600                 }
 601
 602                 hsmci_readResp(&(sd->status), 1);
 603                 LOG_INFOB(dump("STATUS", &(sd->status), 1););
 604                 LOG_INFO("State[%d]\n", SD_GET_STATE(sd->status));
 605
 606                 if (sd->status & SD_STATUS_READY)
 607                 {
 608                         hsmci_waitTransfer();
 609
 610                         LOG_INFOB(dump("STATUS", buf, words););
 611                         memset(ssr, 0, sizeof(SdSSR));
 612                         ssr->bus_width  = UNSTUFF_BITS(buf, 510, 2);
 613                         ssr->card_type  = UNSTUFF_BITS(buf, 480, 16);
 614                         ssr->au_size  = UNSTUFF_BITS(buf, 432, 8);
 615                         ssr->speed_class  = UNSTUFF_BITS(buf, 440, 8);
 616                         ssr->erase_size = UNSTUFF_BITS(buf, 408, 24);
 617
 618                         return 0;
 619                 }
 620         }
 621
 622         return -1;
 623 }
 624
 625
 626 void sd_setHightSpeed(Sd *sd)
 627 {
 628         (void)sd;
 629         hsmci_setSpeed(HSMCI_HIGH_SPEED, HSMCI_HS_MODE);
 630 }
 631
 632
 633 static size_t sd_SdReadDirect(struct KBlock *b, block_idx_t idx, void *buf, size_t offset, size_t size)
 634 {
 635         ASSERT(buf);
 636         ASSERT(!((uint32_t)buf & 0x3));
 637
 638         Sd *sd = SD_CAST(b);
 639         LOG_INFO("reading from block %ld, offset %d, size %d\n", idx, offset, size);
 640
 641         hsmci_waitTransfer();
 642         hsmci_read(buf, size / 4, sd->b.blk_size);
 643
 644         if (hsmci_sendCmd(17, idx * sd->b.blk_size + offset, HSMCI_CMDR_RSPTYP_48_BIT |
 645                         BV(HSMCI_CMDR_TRDIR) | HSMCI_CMDR_TRCMD_START_DATA | HSMCI_CMDR_TRTYP_SINGLE))
 646         {
 647                 LOG_ERR("SIGLE_BLK_READ: %lx\n", HSMCI_SR);
 648                 return -1;
 649         }
 650
 651         hsmci_readResp(&(sd->status), 1);
 652
 653         LOG_INFOB(dump("SIGLE_BLK_READ", &(sd->status), 1););
 654         LOG_INFO("State[%d]\n", SD_GET_STATE(sd->status));
 655
 656         if (sd->status & SD_STATUS_READY)
 657         {
 658                 hsmci_waitTransfer();
 659                 return size;
 660         }
 661         return -1;
 662 }
 663
 664 static size_t sd_SdWriteDirect(KBlock *b, block_idx_t idx, const void *buf, size_t offset, size_t size)
 665 {
 666         ASSERT(buf);
 667         ASSERT(!((uint32_t)buf & 0x3));
 668
 669         Sd *sd = SD_CAST(b);
 670         const uint32_t *_buf = (const uint32_t *)buf;
 671         LOG_INFO("writing block %ld, offset %d, size %d\n", idx, offset, size);
 672
 673         hsmci_waitTransfer();
 674         hsmci_write(_buf, size / 4, sd->b.blk_size);
 675
 676         if (hsmci_sendCmd(24, idx * sd->b.blk_size + offset, HSMCI_CMDR_RSPTYP_48_BIT |
 677                                                 HSMCI_CMDR_TRCMD_START_DATA | HSMCI_CMDR_TRTYP_SINGLE))
 678         {
 679                 LOG_ERR("SIGLE_BLK_WRITE: %lx\n", HSMCI_SR);
 680                 return -1;
 681         }
 682
 683         hsmci_readResp(&(sd->status), 1);
 684
 685         LOG_INFOB(dump("SIGLE_BLK_WR", &(sd->status), 1););
 686         LOG_INFO("State[%d]\n", SD_GET_STATE(sd->status));
 687
 688         if (sd->status & SD_STATUS_READY)
 689         {
 690                 return size;
 691         }
 692
 693         return -1;
 694 }
 695
 696
 697 static int sd_SdError(KBlock *b)
 698 {
 699         Sd *sd = SD_CAST(b);
 700         return SD_GET_ERRORS(sd->status);
 701 }
 702
 703 static void sd_SdClearerr(KBlock *b)
 704 {
 705         Sd *sd = SD_CAST(b);
 706         sd->status = 0;
 707 }
 708
 709 static bool sd_blockInit(Sd *sd, KFile *ch)
 710 {
 711         (void)ch;
 712         ASSERT(sd);
 713         memset(sd, 0, sizeof(*sd));
 714         DB(sd->b.priv.type = KBT_SD);
 715
 716         /* Wait a few moments for supply voltage to stabilize */
 717         timer_delay(SD_START_DELAY);
 718
 719         sd_sendInit();
 720         sd_goIdle();
 721
 722         sd_sendIfCond(sd);
 723
 724         ticks_t start = timer_clock();
 725         bool sd_power_on = false;
 726         do
 727         {
 728                 if (!sd_sendAppOpCond(sd))
 729                 {
 730                         sd_power_on = true;
 731                         break;
 732                 }
 733                 cpu_relax();
 734         }
 735         while (timer_clock() - start < SD_INIT_TIMEOUT);
 736
 737
 738         if (sd_power_on)
 739         {
 740                 SdCID cid;
 741                 if(sd_getCid(sd, &cid, 0, SD_SEND_ALL_CID) < 0)
 742                         return false;
 743                 else
 744                 {
 745                         sd_dumpCid(&cid);
 746                 }
 747
 748                 if (sd_getRelativeAddr(sd) < 0)
 749                         return false;
 750                 else
 751                 {
 752                         LOG_INFO("RCA: %0lx\n", sd->addr);
 753                 }
 754
 755                 SdCSD csd;
 756                 if (sd_getCsd(sd, &csd) < 0)
 757                         return false;
 758                 else
 759                 {
 760                         sd->b.blk_cnt = csd.block_num * (csd.block_len / SD_DEFAULT_BLOCKLEN);
 761                         LOG_INFO("blk_size %d, blk_cnt %ld\n", sd->b.blk_size, sd->b.blk_cnt);
 762                         sd_dumpCsd(&csd);
 763                 }
 764
 765                 if (sd_appStatus(sd) < 0)
 766                 {
 767                         LOG_INFO("STATUS: %ld\n", sd->status);
 768                         return false;
 769                 }
 770
 771                 if (sd->status & SD_CARD_IS_LOCKED)
 772                 {
 773                         LOG_INFO("SD is locked!\n");
 774                         return false;
 775                 }
 776
 777                 if (sd->status & SD_STATUS_READY)
 778                 {
 779                         sd_selectCard(sd);
 780                         sd_set_BlockLen(sd, SD_DEFAULT_BLOCKLEN);
 781                         sd_setBus4bit(sd);
 782                         sd_setHightSpeed(sd);
 783
 784                         #if CONFIG_SD_AUTOASSIGN_FAT
 785                                 disk_assignDrive(&sd->b, 0);
 786                         #endif
 787
 788                         return true;
 789                 }
 790         }
 791         LOG_ERR("SD not ready.\n");
 792         return false;
 793 }
 794
 795 static const KBlockVTable sd_unbuffered_vt =
 796 {
 797         .readDirect = sd_SdReadDirect,
 798         .writeDirect = sd_SdWriteDirect,
 799
 800         .error = sd_SdError,
 801         .clearerr = sd_SdClearerr,
 802 };
 803
 804 static const KBlockVTable sd_buffered_vt =
 805 {
 806         .readDirect = sd_SdReadDirect,
 807         .writeDirect = sd_SdWriteDirect,
 808
 809         .readBuf = kblock_swReadBuf,
 810         .writeBuf = kblock_swWriteBuf,
 811         .load = kblock_swLoad,
 812         .store = kblock_swStore,
 813
 814         .error = sd_SdError,
 815         .clearerr = sd_SdClearerr,
 816 };
 817
 818 bool sd_hw_initUnbuf(Sd *sd, KFile *ch)
 819 {
 820         if (sd_blockInit(sd, ch))
 821         {
 822                 sd->b.priv.vt = &sd_unbuffered_vt;
 823                 return true;
 824         }
 825         else
 826                 return false;
 827 }
 828
 829 static uint8_t sd_buf[SD_DEFAULT_BLOCKLEN];
 830
 831 bool sd_hw_initBuf(Sd *sd, KFile *ch)
 832 {
 833         if (sd_blockInit(sd, ch))
 834         {
 835                 sd->b.priv.buf = sd_buf;
 836                 sd->b.priv.flags |= KB_BUFFERED | KB_PARTIAL_WRITE;
 837                 sd->b.priv.vt = &sd_buffered_vt;
 838                 sd->b.priv.vt->load(&sd->b, 0);
 839                 return true;
 840         }
 841         else
 842                 return false;
 843 }
 844
 845
 846