src/main/drivers/sdcard/sdmmc_sdio_h7xx.c

   1 /*
   2  * This file is part of Cleanflight and Betaflight.
   3  *
   4  * Cleanflight and Betaflight are free software. You can redistribute
   5  * this software and/or modify this software under the terms of the
   6  * GNU General Public License as published by the Free Software
   7  * Foundation, either version 3 of the License, or (at your option)
   8  * any later version.
   9  *
  10  * Cleanflight and Betaflight are distributed in the hope that they
  11  * will be useful, but WITHOUT ANY WARRANTY; without even the implied
  12  * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  13  * See the GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this software.
  17  *
  18  * If not, see <http://www.gnu.org/licenses/>.
  19  */
  20
  21 /*
  22  * Original author: Alain (https://github.com/aroyer-qc)
  23  * Modified for BF source: Chris Hockuba (https://github.com/conkerkh)
  24  */
  25
  26 /* Include(s) -------------------------------------------------------------------------------------------------------*/
  27
  28 #include "stdbool.h"
  29 #include <string.h>
  30
  31 #include "platform.h"
  32
  33 #ifdef USE_SDCARD_SDIO
  34
  35 #include "sdmmc_sdio.h"
  36 #include "stm32h7xx.h"
  37
  38 #include "drivers/sdio.h"
  39 #include "drivers/io.h"
  40 #include "drivers/io_impl.h"
  41 #include "drivers/nvic.h"
  42 #include "drivers/time.h"
  43 #include "drivers/rcc.h"
  44 #include "drivers/dma.h"
  45
  46 #include "build/debug.h"
  47
  48 typedef struct SD_Handle_s
  49 {
  50     uint32_t          CSD[4];           // SD card specific data table
  51     uint32_t          CID[4];           // SD card identification number table
  52     volatile uint32_t RXCplt;          // SD RX Complete is equal 0 when no transfer
  53     volatile uint32_t TXCplt;          // SD TX Complete is equal 0 when no transfer
  54 } SD_Handle_t;
  55
  56 SD_HandleTypeDef hsd1;
  57
  58 SD_CardInfo_t                      SD_CardInfo;
  59 SD_CardType_t                      SD_CardType;
  60
  61 static SD_Handle_t                 SD_Handle;
  62
  63 typedef struct sdioPin_s {
  64     ioTag_t pin;
  65     uint8_t af;
  66 } sdioPin_t;
  67
  68 #define SDIO_PIN_D0  0
  69 #define SDIO_PIN_D1  1
  70 #define SDIO_PIN_D2  2
  71 #define SDIO_PIN_D3  3
  72 #define SDIO_PIN_CK  4
  73 #define SDIO_PIN_CMD 5
  74 #define SDIO_PIN_COUNT  6
  75
  76 #define SDIO_MAX_PINDEFS 2
  77
  78 typedef struct sdioHardware_s {
  79     SDMMC_TypeDef *instance;
  80     IRQn_Type irqn;
  81     sdioPin_t sdioPinCK[SDIO_MAX_PINDEFS];
  82     sdioPin_t sdioPinCMD[SDIO_MAX_PINDEFS];
  83     sdioPin_t sdioPinD0[SDIO_MAX_PINDEFS];
  84     sdioPin_t sdioPinD1[SDIO_MAX_PINDEFS];
  85     sdioPin_t sdioPinD2[SDIO_MAX_PINDEFS];
  86     sdioPin_t sdioPinD3[SDIO_MAX_PINDEFS];
  87 } sdioHardware_t;
  88
  89 // Possible pin assignments
  90
  91 #define PINDEF(device, pin, afnum) { DEFIO_TAG_E(pin), GPIO_AF ## afnum ## _SDMMC ## device }
  92
  93 static const sdioHardware_t sdioPinHardware[SDIODEV_COUNT] = {
  94     {
  95         .instance = SDMMC1,
  96         .irqn = SDMMC1_IRQn,
  97         .sdioPinCK  = { PINDEF(1, PC12, 12) },
  98         .sdioPinCMD = { PINDEF(1, PD2,  12) },
  99         .sdioPinD0  = { PINDEF(1, PC8,  12) },
 100         .sdioPinD1  = { PINDEF(1, PC9,  12) },
 101         .sdioPinD2  = { PINDEF(1, PC10, 12) },
 102         .sdioPinD3  = { PINDEF(1, PC11, 12) },
 103     },
 104     {
 105         .instance = SDMMC2,
 106         .irqn = SDMMC2_IRQn,
 107         .sdioPinCK  = { PINDEF(2, PC1,   9), PINDEF(2, PD6,  11) },
 108         .sdioPinCMD = { PINDEF(2, PD7,  11), PINDEF(2, PA0,   9) },
 109         .sdioPinD0  = { PINDEF(2, PB14,  9) },
 110         .sdioPinD1  = { PINDEF(2, PB15,  9) },
 111         .sdioPinD2  = { PINDEF(2, PB3,   9) },
 112         .sdioPinD3  = { PINDEF(2, PB4,   9) },
 113     }
 114 };
 115
 116 #undef PINDEF
 117
 118 // Active configuration
 119 static const sdioHardware_t *sdioHardware;
 120 static sdioPin_t sdioPin[SDIO_PIN_COUNT];
 121
 122 void sdioPinConfigure(void)
 123 {
 124     if (SDCARD_SDIO_DEVICE == SDIOINVALID) {
 125         return;
 126     }
 127
 128     sdioHardware = &sdioPinHardware[SDCARD_SDIO_DEVICE];
 129
 130     sdioPin[SDIO_PIN_CK] = sdioHardware[SDCARD_SDIO_DEVICE].sdioPinCK[0];
 131     sdioPin[SDIO_PIN_CMD] = sdioHardware[SDCARD_SDIO_DEVICE].sdioPinCMD[0];
 132     sdioPin[SDIO_PIN_D0] = sdioHardware[SDCARD_SDIO_DEVICE].sdioPinD0[0];
 133
 134 #ifdef SDCARD_SDIO_4BIT
 135     sdioPin[SDIO_PIN_D1] = sdioHardware[SDCARD_SDIO_DEVICE].sdioPinD1[0];
 136     sdioPin[SDIO_PIN_D2] = sdioHardware[SDCARD_SDIO_DEVICE].sdioPinD2[0];
 137     sdioPin[SDIO_PIN_D3] = sdioHardware[SDCARD_SDIO_DEVICE].sdioPinD3[0];
 138 #endif
 139 }
 140
 141 #define IOCFG_SDMMC       IO_CONFIG(GPIO_MODE_AF_PP, GPIO_SPEED_FREQ_VERY_HIGH, GPIO_NOPULL)
 142
 143 void HAL_SD_MspInit(SD_HandleTypeDef* hsd)
 144 {
 145     UNUSED(hsd);
 146
 147     if (!sdioHardware) {
 148         return;
 149     }
 150
 151     if (sdioHardware->instance == SDMMC1) {
 152         __HAL_RCC_SDMMC1_CLK_DISABLE();
 153         __HAL_RCC_SDMMC1_FORCE_RESET();
 154         __HAL_RCC_SDMMC1_RELEASE_RESET();
 155         __HAL_RCC_SDMMC1_CLK_ENABLE();
 156     } else if (sdioHardware->instance == SDMMC2) {
 157         __HAL_RCC_SDMMC2_CLK_DISABLE();
 158         __HAL_RCC_SDMMC2_FORCE_RESET();
 159         __HAL_RCC_SDMMC2_RELEASE_RESET();
 160         __HAL_RCC_SDMMC2_CLK_ENABLE();
 161     }
 162
 163     const IO_t clk = IOGetByTag(sdioPin[SDIO_PIN_CK].pin);
 164     const IO_t cmd = IOGetByTag(sdioPin[SDIO_PIN_CMD].pin);
 165     const IO_t d0 = IOGetByTag(sdioPin[SDIO_PIN_D0].pin);
 166     const IO_t d1 = IOGetByTag(sdioPin[SDIO_PIN_D1].pin);
 167     const IO_t d2 = IOGetByTag(sdioPin[SDIO_PIN_D2].pin);
 168     const IO_t d3 = IOGetByTag(sdioPin[SDIO_PIN_D3].pin);
 169
 170     IOConfigGPIOAF(clk, IOCFG_SDMMC, sdioPin[SDIO_PIN_CK].af);
 171     IOConfigGPIOAF(cmd, IOCFG_SDMMC, sdioPin[SDIO_PIN_CMD].af);
 172     IOConfigGPIOAF(d0, IOCFG_SDMMC, sdioPin[SDIO_PIN_D0].af);
 173
 174 #ifdef SDCARD_SDIO_4BIT
 175     IOConfigGPIOAF(d1, IOCFG_SDMMC, sdioPin[SDIO_PIN_D1].af);
 176     IOConfigGPIOAF(d2, IOCFG_SDMMC, sdioPin[SDIO_PIN_D2].af);
 177     IOConfigGPIOAF(d3, IOCFG_SDMMC, sdioPin[SDIO_PIN_D3].af);
 178 #endif
 179
 180     HAL_NVIC_SetPriority(sdioHardware->irqn, 0, 0);
 181     HAL_NVIC_EnableIRQ(sdioHardware->irqn);
 182 }
 183
 184 void SDIO_GPIO_Init(void)
 185 {
 186     if (!sdioHardware) {
 187         return;
 188     }
 189
 190     const IO_t clk = IOGetByTag(sdioPin[SDIO_PIN_CK].pin);
 191     const IO_t cmd = IOGetByTag(sdioPin[SDIO_PIN_CMD].pin);
 192     const IO_t d0 = IOGetByTag(sdioPin[SDIO_PIN_D0].pin);
 193     const IO_t d1 = IOGetByTag(sdioPin[SDIO_PIN_D1].pin);
 194     const IO_t d2 = IOGetByTag(sdioPin[SDIO_PIN_D2].pin);
 195     const IO_t d3 = IOGetByTag(sdioPin[SDIO_PIN_D3].pin);
 196
 197     IOInit(clk, OWNER_SDCARD, RESOURCE_NONE, 0);
 198     IOInit(cmd, OWNER_SDCARD, RESOURCE_NONE, 0);
 199     IOInit(d0, OWNER_SDCARD, RESOURCE_NONE, 0);
 200
 201 #ifdef SDCARD_SDIO_4BIT
 202     IOInit(d1, OWNER_SDCARD, RESOURCE_NONE, 0);
 203     IOInit(d2, OWNER_SDCARD, RESOURCE_NONE, 0);
 204     IOInit(d3, OWNER_SDCARD, RESOURCE_NONE, 0);
 205 #endif
 206
 207     //
 208     // Setting all the SDIO pins to high for a short time results in more robust initialisation.
 209     //
 210     IOHi(d0);
 211     IOConfigGPIO(d0, IOCFG_OUT_PP);
 212
 213 #ifdef SDCARD_SDIO_4BIT
 214     IOHi(d1);
 215     IOHi(d2);
 216     IOHi(d3);
 217     IOConfigGPIO(d1, IOCFG_OUT_PP);
 218     IOConfigGPIO(d2, IOCFG_OUT_PP);
 219     IOConfigGPIO(d3, IOCFG_OUT_PP);
 220 #endif
 221
 222     IOHi(clk);
 223     IOHi(cmd);
 224     IOConfigGPIO(clk, IOCFG_OUT_PP);
 225     IOConfigGPIO(cmd, IOCFG_OUT_PP);
 226 }
 227
 228 bool SD_Initialize_LL(DMA_Stream_TypeDef *dma)
 229 {
 230     UNUSED(dma);
 231     return true;
 232 }
 233
 234 bool SD_GetState(void)
 235 {
 236     HAL_SD_CardStateTypedef cardState = HAL_SD_GetCardState(&hsd1);
 237
 238     return (cardState == HAL_SD_CARD_TRANSFER);
 239 }
 240
 241 bool SD_Init(void)
 242 {
 243     HAL_StatusTypeDef status;
 244
 245     memset(&hsd1, 0, sizeof(hsd1));
 246
 247     hsd1.Instance = sdioHardware->instance;
 248
 249     hsd1.Init.ClockEdge = SDMMC_CLOCK_EDGE_RISING;
 250     hsd1.Init.ClockPowerSave = SDMMC_CLOCK_POWER_SAVE_ENABLE;
 251 #ifdef SDCARD_SDIO_4BIT
 252     hsd1.Init.BusWide = SDMMC_BUS_WIDE_4B;
 253 #else
 254     hsd1.Init.BusWide = SDMMC_BUS_WIDE_1B; // FIXME untested
 255 #endif
 256     hsd1.Init.HardwareFlowControl = SDMMC_HARDWARE_FLOW_CONTROL_ENABLE;
 257     hsd1.Init.ClockDiv = 1; // 200Mhz / (2 * 1 ) = 100Mhz, used for "UltraHigh speed SD card" only, see   HAL_SD_ConfigWideBusOperation, SDMMC_HSpeed_CLK_DIV, SDMMC_NSpeed_CLK_DIV
 258
 259     status = HAL_SD_Init(&hsd1); // Will call HAL_SD_MspInit
 260
 261     if (status != HAL_OK) {
 262         return SD_ERROR;
 263     }
 264
 265     switch(hsd1.SdCard.CardType) {
 266     case CARD_SDSC:
 267         switch (hsd1.SdCard.CardVersion) {
 268         case CARD_V1_X:
 269             SD_CardType = SD_STD_CAPACITY_V1_1;
 270             break;
 271         case CARD_V2_X:
 272             SD_CardType = SD_STD_CAPACITY_V2_0;
 273             break;
 274         default:
 275             return SD_ERROR;
 276         }
 277         break;
 278
 279     case CARD_SDHC_SDXC:
 280         SD_CardType = SD_HIGH_CAPACITY;
 281         break;
 282
 283     default:
 284         return SD_ERROR;
 285     }
 286
 287     // STATIC_ASSERT(sizeof(SD_Handle.CSD) == sizeof(hsd1.CSD), hal-csd-size-error);
 288     memcpy(&SD_Handle.CSD, &hsd1.CSD, sizeof(SD_Handle.CSD));
 289
 290     // STATIC_ASSERT(sizeof(SD_Handle.CID) == sizeof(hsd1.CID), hal-cid-size-error);
 291     memcpy(&SD_Handle.CID, &hsd1.CID, sizeof(SD_Handle.CID));
 292
 293     return SD_OK;
 294 }
 295
 296 SD_Error_t SD_GetCardInfo(void)
 297 {
 298     SD_Error_t ErrorState = SD_OK;
 299
 300     // fill in SD_CardInfo
 301
 302     uint32_t Temp = 0;
 303
 304     // Byte 0
 305     Temp = (SD_Handle.CSD[0] & 0xFF000000) >> 24;
 306     SD_CardInfo.SD_csd.CSDStruct      = (uint8_t)((Temp & 0xC0) >> 6);
 307     SD_CardInfo.SD_csd.SysSpecVersion = (uint8_t)((Temp & 0x3C) >> 2);
 308     SD_CardInfo.SD_csd.Reserved1      = Temp & 0x03;
 309
 310     // Byte 1
 311     Temp = (SD_Handle.CSD[0] & 0x00FF0000) >> 16;
 312     SD_CardInfo.SD_csd.TAAC = (uint8_t)Temp;
 313
 314     // Byte 2
 315     Temp = (SD_Handle.CSD[0] & 0x0000FF00) >> 8;
 316     SD_CardInfo.SD_csd.NSAC = (uint8_t)Temp;
 317
 318     // Byte 3
 319     Temp = SD_Handle.CSD[0] & 0x000000FF;
 320     SD_CardInfo.SD_csd.MaxBusClkFrec = (uint8_t)Temp;
 321
 322     // Byte 4
 323     Temp = (SD_Handle.CSD[1] & 0xFF000000) >> 24;
 324     SD_CardInfo.SD_csd.CardComdClasses = (uint16_t)(Temp << 4);
 325
 326     // Byte 5
 327     Temp = (SD_Handle.CSD[1] & 0x00FF0000) >> 16;
 328     SD_CardInfo.SD_csd.CardComdClasses |= (uint16_t)((Temp & 0xF0) >> 4);
 329     SD_CardInfo.SD_csd.RdBlockLen       = (uint8_t)(Temp & 0x0F);
 330
 331     // Byte 6
 332     Temp = (SD_Handle.CSD[1] & 0x0000FF00) >> 8;
 333     SD_CardInfo.SD_csd.PartBlockRead   = (uint8_t)((Temp & 0x80) >> 7);
 334     SD_CardInfo.SD_csd.WrBlockMisalign = (uint8_t)((Temp & 0x40) >> 6);
 335     SD_CardInfo.SD_csd.RdBlockMisalign = (uint8_t)((Temp & 0x20) >> 5);
 336     SD_CardInfo.SD_csd.DSRImpl         = (uint8_t)((Temp & 0x10) >> 4);
 337     SD_CardInfo.SD_csd.Reserved2       = 0; /*!< Reserved */
 338
 339     if((SD_CardType == SD_STD_CAPACITY_V1_1) || (SD_CardType == SD_STD_CAPACITY_V2_0)) {
 340         SD_CardInfo.SD_csd.DeviceSize = (Temp & 0x03) << 10;
 341
 342         // Byte 7
 343         Temp = (uint8_t)(SD_Handle.CSD[1] & 0x000000FF);
 344         SD_CardInfo.SD_csd.DeviceSize |= (Temp) << 2;
 345
 346         // Byte 8
 347         Temp = (uint8_t)((SD_Handle.CSD[2] & 0xFF000000) >> 24);
 348         SD_CardInfo.SD_csd.DeviceSize |= (Temp & 0xC0) >> 6;
 349
 350         SD_CardInfo.SD_csd.MaxRdCurrentVDDMin = (Temp & 0x38) >> 3;
 351         SD_CardInfo.SD_csd.MaxRdCurrentVDDMax = (Temp & 0x07);
 352
 353         // Byte 9
 354         Temp = (uint8_t)((SD_Handle.CSD[2] & 0x00FF0000) >> 16);
 355         SD_CardInfo.SD_csd.MaxWrCurrentVDDMin = (Temp & 0xE0) >> 5;
 356         SD_CardInfo.SD_csd.MaxWrCurrentVDDMax = (Temp & 0x1C) >> 2;
 357         SD_CardInfo.SD_csd.DeviceSizeMul      = (Temp & 0x03) << 1;
 358
 359         // Byte 10
 360         Temp = (uint8_t)((SD_Handle.CSD[2] & 0x0000FF00) >> 8);
 361         SD_CardInfo.SD_csd.DeviceSizeMul |= (Temp & 0x80) >> 7;
 362
 363         SD_CardInfo.CardCapacity  = (SD_CardInfo.SD_csd.DeviceSize + 1) ;
 364         SD_CardInfo.CardCapacity *= (1 << (SD_CardInfo.SD_csd.DeviceSizeMul + 2));
 365         SD_CardInfo.CardBlockSize = 1 << (SD_CardInfo.SD_csd.RdBlockLen);
 366         SD_CardInfo.CardCapacity = SD_CardInfo.CardCapacity * SD_CardInfo.CardBlockSize / 512; // In 512 byte blocks
 367     } else if(SD_CardType == SD_HIGH_CAPACITY) {
 368         // Byte 7
 369         Temp = (uint8_t)(SD_Handle.CSD[1] & 0x000000FF);
 370         SD_CardInfo.SD_csd.DeviceSize = (Temp & 0x3F) << 16;
 371
 372         // Byte 8
 373         Temp = (uint8_t)((SD_Handle.CSD[2] & 0xFF000000) >> 24);
 374
 375         SD_CardInfo.SD_csd.DeviceSize |= (Temp << 8);
 376
 377         // Byte 9
 378         Temp = (uint8_t)((SD_Handle.CSD[2] & 0x00FF0000) >> 16);
 379
 380         SD_CardInfo.SD_csd.DeviceSize |= (Temp);
 381
 382         // Byte 10
 383         Temp = (uint8_t)((SD_Handle.CSD[2] & 0x0000FF00) >> 8);
 384
 385         SD_CardInfo.CardCapacity  = ((uint64_t)SD_CardInfo.SD_csd.DeviceSize + 1) * 1024;
 386         SD_CardInfo.CardBlockSize = 512;
 387     } else {
 388         // Not supported card type
 389         ErrorState = SD_ERROR;
 390     }
 391
 392     SD_CardInfo.SD_csd.EraseGrSize = (Temp & 0x40) >> 6;
 393     SD_CardInfo.SD_csd.EraseGrMul  = (Temp & 0x3F) << 1;
 394
 395     // Byte 11
 396     Temp = (uint8_t)(SD_Handle.CSD[2] & 0x000000FF);
 397     SD_CardInfo.SD_csd.EraseGrMul     |= (Temp & 0x80) >> 7;
 398     SD_CardInfo.SD_csd.WrProtectGrSize = (Temp & 0x7F);
 399
 400     // Byte 12
 401     Temp = (uint8_t)((SD_Handle.CSD[3] & 0xFF000000) >> 24);
 402     SD_CardInfo.SD_csd.WrProtectGrEnable = (Temp & 0x80) >> 7;
 403     SD_CardInfo.SD_csd.ManDeflECC        = (Temp & 0x60) >> 5;
 404     SD_CardInfo.SD_csd.WrSpeedFact       = (Temp & 0x1C) >> 2;
 405     SD_CardInfo.SD_csd.MaxWrBlockLen     = (Temp & 0x03) << 2;
 406
 407     // Byte 13
 408     Temp = (uint8_t)((SD_Handle.CSD[3] & 0x00FF0000) >> 16);
 409     SD_CardInfo.SD_csd.MaxWrBlockLen      |= (Temp & 0xC0) >> 6;
 410     SD_CardInfo.SD_csd.WriteBlockPaPartial = (Temp & 0x20) >> 5;
 411     SD_CardInfo.SD_csd.Reserved3           = 0;
 412     SD_CardInfo.SD_csd.ContentProtectAppli = (Temp & 0x01);
 413
 414     // Byte 14
 415     Temp = (uint8_t)((SD_Handle.CSD[3] & 0x0000FF00) >> 8);
 416     SD_CardInfo.SD_csd.FileFormatGrouop = (Temp & 0x80) >> 7;
 417     SD_CardInfo.SD_csd.CopyFlag         = (Temp & 0x40) >> 6;
 418     SD_CardInfo.SD_csd.PermWrProtect    = (Temp & 0x20) >> 5;
 419     SD_CardInfo.SD_csd.TempWrProtect    = (Temp & 0x10) >> 4;
 420     SD_CardInfo.SD_csd.FileFormat       = (Temp & 0x0C) >> 2;
 421     SD_CardInfo.SD_csd.ECC              = (Temp & 0x03);
 422
 423     // Byte 15
 424     Temp = (uint8_t)(SD_Handle.CSD[3] & 0x000000FF);
 425     SD_CardInfo.SD_csd.CSD_CRC   = (Temp & 0xFE) >> 1;
 426     SD_CardInfo.SD_csd.Reserved4 = 1;
 427
 428     // Byte 0
 429     Temp = (uint8_t)((SD_Handle.CID[0] & 0xFF000000) >> 24);
 430     SD_CardInfo.SD_cid.ManufacturerID = Temp;
 431
 432     // Byte 1
 433     Temp = (uint8_t)((SD_Handle.CID[0] & 0x00FF0000) >> 16);
 434     SD_CardInfo.SD_cid.OEM_AppliID = Temp << 8;
 435
 436     // Byte 2
 437     Temp = (uint8_t)((SD_Handle.CID[0] & 0x000000FF00) >> 8);
 438     SD_CardInfo.SD_cid.OEM_AppliID |= Temp;
 439
 440     // Byte 3
 441     Temp = (uint8_t)(SD_Handle.CID[0] & 0x000000FF);
 442     SD_CardInfo.SD_cid.ProdName1 = Temp << 24;
 443
 444     // Byte 4
 445     Temp = (uint8_t)((SD_Handle.CID[1] & 0xFF000000) >> 24);
 446     SD_CardInfo.SD_cid.ProdName1 |= Temp << 16;
 447
 448     // Byte 5
 449     Temp = (uint8_t)((SD_Handle.CID[1] & 0x00FF0000) >> 16);
 450     SD_CardInfo.SD_cid.ProdName1 |= Temp << 8;
 451
 452     // Byte 6
 453     Temp = (uint8_t)((SD_Handle.CID[1] & 0x0000FF00) >> 8);
 454     SD_CardInfo.SD_cid.ProdName1 |= Temp;
 455
 456     // Byte 7
 457     Temp = (uint8_t)(SD_Handle.CID[1] & 0x000000FF);
 458     SD_CardInfo.SD_cid.ProdName2 = Temp;
 459
 460     // Byte 8
 461     Temp = (uint8_t)((SD_Handle.CID[2] & 0xFF000000) >> 24);
 462     SD_CardInfo.SD_cid.ProdRev = Temp;
 463
 464     // Byte 9
 465     Temp = (uint8_t)((SD_Handle.CID[2] & 0x00FF0000) >> 16);
 466     SD_CardInfo.SD_cid.ProdSN = Temp << 24;
 467
 468     // Byte 10
 469     Temp = (uint8_t)((SD_Handle.CID[2] & 0x0000FF00) >> 8);
 470     SD_CardInfo.SD_cid.ProdSN |= Temp << 16;
 471
 472     // Byte 11
 473     Temp = (uint8_t)(SD_Handle.CID[2] & 0x000000FF);
 474     SD_CardInfo.SD_cid.ProdSN |= Temp << 8;
 475
 476     // Byte 12
 477     Temp = (uint8_t)((SD_Handle.CID[3] & 0xFF000000) >> 24);
 478     SD_CardInfo.SD_cid.ProdSN |= Temp;
 479
 480     // Byte 13
 481     Temp = (uint8_t)((SD_Handle.CID[3] & 0x00FF0000) >> 16);
 482     SD_CardInfo.SD_cid.Reserved1   |= (Temp & 0xF0) >> 4;
 483     SD_CardInfo.SD_cid.ManufactDate = (Temp & 0x0F) << 8;
 484
 485     // Byte 14
 486     Temp = (uint8_t)((SD_Handle.CID[3] & 0x0000FF00) >> 8);
 487     SD_CardInfo.SD_cid.ManufactDate |= Temp;
 488
 489     // Byte 15
 490     Temp = (uint8_t)(SD_Handle.CID[3] & 0x000000FF);
 491     SD_CardInfo.SD_cid.CID_CRC   = (Temp & 0xFE) >> 1;
 492     SD_CardInfo.SD_cid.Reserved2 = 1;
 493
 494     return ErrorState;
 495 }
 496
 497 SD_Error_t SD_CheckWrite(void) {
 498     if (SD_Handle.TXCplt != 0) return SD_BUSY;
 499     return SD_OK;
 500 }
 501
 502 SD_Error_t SD_CheckRead(void) {
 503     if (SD_Handle.RXCplt != 0) return SD_BUSY;
 504     return SD_OK;
 505 }
 506
 507 SD_Error_t SD_WriteBlocks_DMA(uint64_t WriteAddress, uint32_t *buffer, uint32_t BlockSize, uint32_t NumberOfBlocks)
 508 {
 509     SD_Error_t ErrorState = SD_OK;
 510     SD_Handle.TXCplt = 1;
 511
 512     if (BlockSize != 512) {
 513         return SD_ERROR; // unsupported.
 514     }
 515
 516     if ((uint32_t)buffer & 0x1f) {
 517         return SD_ADDR_MISALIGNED;
 518     }
 519
 520     // Ensure the data is flushed to main memory
 521     SCB_CleanDCache_by_Addr(buffer, NumberOfBlocks * BlockSize);
 522
 523     HAL_StatusTypeDef status;
 524     if ((status = HAL_SD_WriteBlocks_DMA(&hsd1, (uint8_t *)buffer, WriteAddress, NumberOfBlocks)) != HAL_OK) {
 525         return SD_ERROR;
 526     }
 527
 528     return ErrorState;
 529 }
 530
 531 typedef struct {
 532     uint32_t *buffer;
 533     uint32_t BlockSize;
 534     uint32_t NumberOfBlocks;
 535 } sdReadParameters_t;
 536
 537 sdReadParameters_t sdReadParameters;
 538
 539 SD_Error_t SD_ReadBlocks_DMA(uint64_t ReadAddress, uint32_t *buffer, uint32_t BlockSize, uint32_t NumberOfBlocks)
 540 {
 541     SD_Error_t ErrorState = SD_OK;
 542
 543     if (BlockSize != 512) {
 544         return SD_ERROR; // unsupported.
 545     }
 546
 547     if ((uint32_t)buffer & 0x1f) {
 548         return SD_ADDR_MISALIGNED;
 549     }
 550
 551     SD_Handle.RXCplt = 1;
 552
 553     sdReadParameters.buffer = buffer;
 554     sdReadParameters.BlockSize = BlockSize;
 555     sdReadParameters.NumberOfBlocks = NumberOfBlocks;
 556
 557     HAL_StatusTypeDef status;
 558     if ((status = HAL_SD_ReadBlocks_DMA(&hsd1, (uint8_t *)buffer, ReadAddress, NumberOfBlocks)) != HAL_OK) {
 559         return SD_ERROR;
 560     }
 561
 562     return ErrorState;
 563 }
 564
 565 /**
 566   * @brief Tx Transfer completed callback
 567   * @param hsd: SD handle
 568   * @retval None
 569   */
 570 void HAL_SD_TxCpltCallback(SD_HandleTypeDef *hsd)
 571 {
 572     UNUSED(hsd);
 573
 574     SD_Handle.TXCplt = 0;
 575 }
 576
 577 /**
 578   * @brief Rx Transfer completed callback
 579   * @param hsd: SD handle
 580   * @retval None
 581   */
 582 void HAL_SD_RxCpltCallback(SD_HandleTypeDef *hsd)
 583 {
 584     UNUSED(hsd);
 585
 586     SD_Handle.RXCplt = 0;
 587
 588     /*
 589        the SCB_InvalidateDCache_by_Addr() requires a 32-Byte aligned address,
 590        adjust the address and the D-Cache size to invalidate accordingly.
 591      */
 592     uint32_t alignedAddr = (uint32_t)sdReadParameters.buffer &  ~0x1F;
 593     SCB_InvalidateDCache_by_Addr((uint32_t*)alignedAddr, sdReadParameters.NumberOfBlocks * sdReadParameters.BlockSize + ((uint32_t)sdReadParameters.buffer - alignedAddr));
 594 }
 595
 596 void HAL_SD_AbortCallback(SD_HandleTypeDef *hsd)
 597 {
 598     UNUSED(hsd);
 599
 600     SD_Handle.TXCplt = 0;
 601     SD_Handle.RXCplt = 0;
 602 }
 603
 604 void SDMMC1_IRQHandler(void)
 605 {
 606     HAL_SD_IRQHandler(&hsd1);
 607 }
 608
 609 void SDMMC2_IRQHandler(void)
 610 {
 611     HAL_SD_IRQHandler(&hsd1);
 612 }
 613
 614 #endif