| /* |
| * Copyright (c) 2015-2018, Renesas Electronics Corporation. All rights reserved. |
| * |
| * SPDX-License-Identifier: BSD-3-Clause |
| */ |
| |
| /** |
| * @file emmc_std.h |
| * @brief eMMC boot is expecting this header file |
| * |
| */ |
| |
| #ifndef EMMC_STD_H |
| #define EMMC_STD_H |
| |
| #include "emmc_hal.h" |
| |
| /* ************************ HEADER (INCLUDE) SECTION *********************** */ |
| |
| /* ***************** MACROS, CONSTANTS, COMPILATION FLAGS ****************** */ |
| #ifndef FALSE |
| #define FALSE 0U |
| #endif |
| #ifndef TRUE |
| #define TRUE 1U |
| #endif |
| |
| /** @brief 64bit registers |
| **/ |
| #define SETR_64(r, v) (*(volatile uint64_t *)(r) = (v)) |
| #define GETR_64(r) (*(volatile uint64_t *)(r)) |
| |
| /** @brief 32bit registers |
| **/ |
| #define SETR_32(r, v) (*(volatile uint32_t *)(r) = (v)) |
| #define GETR_32(r) (*(volatile uint32_t *)(r)) |
| |
| /** @brief 16bit registers |
| */ |
| #define SETR_16(r, v) (*(volatile uint16_t *)(r) = (v)) |
| #define GETR_16(r) (*(volatile uint16_t *)(r)) |
| |
| /** @brief 8bit registers |
| */ |
| #define SETR_8(r, v) (*(volatile uint8_t *)(r) = (v)) |
| #define GETR_8(r) (*(volatile uint8_t *)(r)) |
| |
| /** @brief CSD register Macros |
| */ |
| #define EMMC_GET_CID(x, y) (emmc_bit_field(mmc_drv_obj.cid_data, (x), (y))) |
| |
| #define EMMC_CID_MID() (EMMC_GET_CID(127, 120)) |
| #define EMMC_CID_CBX() (EMMC_GET_CID(113, 112)) |
| #define EMMC_CID_OID() (EMMC_GET_CID(111, 104)) |
| #define EMMC_CID_PNM1() (EMMC_GET_CID(103, 88)) |
| #define EMMC_CID_PNM2() (EMMC_GET_CID(87, 56)) |
| #define EMMC_CID_PRV() (EMMC_GET_CID(55, 48)) |
| #define EMMC_CID_PSN() (EMMC_GET_CID(47, 16)) |
| #define EMMC_CID_MDT() (EMMC_GET_CID(15, 8)) |
| #define EMMC_CID_CRC() (EMMC_GET_CID(7, 1)) |
| |
| /** @brief CSD register Macros |
| */ |
| #define EMMC_GET_CSD(x, y) (emmc_bit_field(mmc_drv_obj.csd_data, (x), (y))) |
| |
| #define EMMC_CSD_CSD_STRUCTURE() (EMMC_GET_CSD(127, 126)) |
| #define EMMC_CSD_SPEC_VARS() (EMMC_GET_CSD(125, 122)) |
| #define EMMC_CSD_TAAC() (EMMC_GET_CSD(119, 112)) |
| #define EMMC_CSD_NSAC() (EMMC_GET_CSD(111, 104)) |
| #define EMMC_CSD_TRAN_SPEED() (EMMC_GET_CSD(103, 96)) |
| #define EMMC_CSD_CCC() (EMMC_GET_CSD(95, 84)) |
| #define EMMC_CSD_READ_BL_LEN() (EMMC_GET_CSD(83, 80)) |
| #define EMMC_CSD_READ_BL_PARTIAL() (EMMC_GET_CSD(79, 79)) |
| #define EMMC_CSD_WRITE_BLK_MISALIGN() (EMMC_GET_CSD(78, 78)) |
| #define EMMC_CSD_READ_BLK_MISALIGN() (EMMC_GET_CSD(77, 77)) |
| #define EMMC_CSD_DSR_IMP() (EMMC_GET_CSD(76, 76)) |
| #define EMMC_CSD_C_SIZE() (EMMC_GET_CSD(73, 62)) |
| #define EMMC_CSD_VDD_R_CURR_MIN() (EMMC_GET_CSD(61, 59)) |
| #define EMMC_CSD_VDD_R_CURR_MAX() (EMMC_GET_CSD(58, 56)) |
| #define EMMC_CSD_VDD_W_CURR_MIN() (EMMC_GET_CSD(55, 53)) |
| #define EMMC_CSD_VDD_W_CURR_MAX() (EMMC_GET_CSD(52, 50)) |
| #define EMMC_CSD_C_SIZE_MULT() (EMMC_GET_CSD(49, 47)) |
| #define EMMC_CSD_ERASE_GRP_SIZE() (EMMC_GET_CSD(46, 42)) |
| #define EMMC_CSD_ERASE_GRP_MULT() (EMMC_GET_CSD(41, 37)) |
| #define EMMC_CSD_WP_GRP_SIZE() (EMMC_GET_CSD(36, 32)) |
| #define EMMC_CSD_WP_GRP_ENABLE() (EMMC_GET_CSD(31, 31)) |
| #define EMMC_CSD_DEFALT_ECC() (EMMC_GET_CSD(30, 29)) |
| #define EMMC_CSD_R2W_FACTOR() (EMMC_GET_CSD(28, 26)) |
| #define EMMC_CSD_WRITE_BL_LEN() (EMMC_GET_CSD(25, 22)) |
| #define EMMC_CSD_WRITE_BL_PARTIAL() (EMMC_GET_CSD(21, 21)) |
| #define EMMC_CSD_CONTENT_PROT_APP() (EMMC_GET_CSD(16, 16)) |
| #define EMMC_CSD_FILE_FORMAT_GRP() (EMMC_GET_CSD(15, 15)) |
| #define EMMC_CSD_COPY() (EMMC_GET_CSD(14, 14)) |
| #define EMMC_CSD_PERM_WRITE_PROTECT() (EMMC_GET_CSD(13, 13)) |
| #define EMMC_CSD_TMP_WRITE_PROTECT() (EMMC_GET_CSD(12, 12)) |
| #define EMMC_CSD_FILE_FORMAT() (EMMC_GET_CSD(11, 10)) |
| #define EMMC_CSD_ECC() (EMMC_GET_CSD(9, 8)) |
| #define EMMC_CSD_CRC() (EMMC_GET_CSD(7, 1)) |
| |
| /** @brief for sector access |
| */ |
| #define EMMC_4B_BOUNDARY_CHECK_MASK 0x00000003 |
| #define EMMC_SECTOR_SIZE_SHIFT 9U /* 512 = 2^9 */ |
| #define EMMC_SECTOR_SIZE 512 |
| #define EMMC_BLOCK_LENGTH 512 |
| #define EMMC_BLOCK_LENGTH_DW 128 |
| #define EMMC_BUF_SIZE_SHIFT 3U /* 8byte = 2^3 */ |
| |
| /** @brief eMMC specification clock |
| */ |
| #define EMMC_CLOCK_SPEC_400K 400000UL /**< initialize clock 400KHz */ |
| #define EMMC_CLOCK_SPEC_20M 20000000UL /**< normal speed 20MHz */ |
| #define EMMC_CLOCK_SPEC_26M 26000000UL /**< high speed 26MHz */ |
| #define EMMC_CLOCK_SPEC_52M 52000000UL /**< high speed 52MHz */ |
| #define EMMC_CLOCK_SPEC_100M 100000000UL /**< high speed 100MHz */ |
| |
| /** @brief EMMC driver error code. (extended HAL_MEMCARD_RETURN) |
| */ |
| typedef enum { |
| EMMC_ERR = 0, /**< unknown error */ |
| EMMC_SUCCESS, /**< OK */ |
| EMMC_ERR_FROM_DMAC, /**< DMAC allocation error */ |
| EMMC_ERR_FROM_DMAC_TRANSFER, /**< DMAC transfer error */ |
| EMMC_ERR_CARD_STATUS_BIT, /**< card status error. Non-masked error bit was set in the card status */ |
| EMMC_ERR_CMD_TIMEOUT, /**< command timeout error */ |
| EMMC_ERR_DATA_TIMEOUT, /**< data timeout error */ |
| EMMC_ERR_CMD_CRC, /**< command CRC error */ |
| EMMC_ERR_DATA_CRC, /**< data CRC error */ |
| EMMC_ERR_PARAM, /**< parameter error */ |
| EMMC_ERR_RESPONSE, /**< response error */ |
| EMMC_ERR_RESPONSE_BUSY, /**< response busy error */ |
| EMMC_ERR_TRANSFER, /**< data transfer error */ |
| EMMC_ERR_READ_SECTOR, /**< read sector error */ |
| EMMC_ERR_WRITE_SECTOR, /**< write sector error */ |
| EMMC_ERR_STATE, /**< state error */ |
| EMMC_ERR_TIMEOUT, /**< timeout error */ |
| EMMC_ERR_ILLEGAL_CARD, /**< illegal card */ |
| EMMC_ERR_CARD_BUSY, /**< Busy state */ |
| EMMC_ERR_CARD_STATE, /**< card state error */ |
| EMMC_ERR_SET_TRACE, /**< trace information error */ |
| EMMC_ERR_FROM_TIMER, /**< Timer error */ |
| EMMC_ERR_FORCE_TERMINATE, /**< Force terminate */ |
| EMMC_ERR_CARD_POWER, /**< card power fail */ |
| EMMC_ERR_ERASE_SECTOR, /**< erase sector error */ |
| EMMC_ERR_INFO2 /**< exec cmd error info2 */ |
| } EMMC_ERROR_CODE; |
| |
| /** @brief Function number */ |
| #define EMMC_FUNCNO_NONE 0U |
| #define EMMC_FUNCNO_DRIVER_INIT 1U |
| #define EMMC_FUNCNO_CARD_POWER_ON 2U |
| #define EMMC_FUNCNO_MOUNT 3U |
| #define EMMC_FUNCNO_CARD_INIT 4U |
| #define EMMC_FUNCNO_HIGH_SPEED 5U |
| #define EMMC_FUNCNO_BUS_WIDTH 6U |
| #define EMMC_FUNCNO_MULTI_BOOT_SELECT_PARTITION 7U |
| #define EMMC_FUNCNO_MULTI_BOOT_READ_SECTOR 8U |
| #define EMMC_FUNCNO_TRANS_DATA_READ_SECTOR 9U |
| #define EMMC_FUNCNO_UBOOT_IMAGE_SELECT_PARTITION 10U |
| #define EMMC_FUNCNO_UBOOT_IMAGE_READ_SECTOR 11U |
| #define EMMC_FUNCNO_SET_CLOCK 12U |
| #define EMMC_FUNCNO_EXEC_CMD 13U |
| #define EMMC_FUNCNO_READ_SECTOR 14U |
| #define EMMC_FUNCNO_WRITE_SECTOR 15U |
| #define EMMC_FUNCNO_ERASE_SECTOR 16U |
| #define EMMC_FUNCNO_GET_PERTITION_ACCESS 17U |
| /** @brief Response |
| */ |
| /** R1 */ |
| #define EMMC_R1_ERROR_MASK 0xFDBFE080U /* Type 'E' bit and bit14(must be 0). ignore bit22 */ |
| #define EMMC_R1_ERROR_MASK_WITHOUT_CRC (0xFD3FE080U) /* Ignore bit23 (Not check CRC error) */ |
| #define EMMC_R1_STATE_MASK 0x00001E00U /* [12:9] */ |
| #define EMMC_R1_READY 0x00000100U /* bit8 */ |
| #define EMMC_R1_STATE_SHIFT 9 |
| |
| /** R4 */ |
| #define EMMC_R4_RCA_MASK 0xFFFF0000UL |
| #define EMMC_R4_STATUS 0x00008000UL |
| |
| /** CSD */ |
| #define EMMC_TRANSPEED_FREQ_UNIT_MASK 0x07 /* bit[2:0] */ |
| #define EMMC_TRANSPEED_FREQ_UNIT_SHIFT 0 |
| #define EMMC_TRANSPEED_MULT_MASK 0x78 /* bit[6:3] */ |
| #define EMMC_TRANSPEED_MULT_SHIFT 3 |
| |
| /** OCR */ |
| #define EMMC_HOST_OCR_VALUE 0x40FF8080 |
| #define EMMC_OCR_STATUS_BIT 0x80000000L /* Card power up status bit */ |
| #define EMMC_OCR_ACCESS_MODE_MASK 0x60000000L /* bit[30:29] */ |
| #define EMMC_OCR_ACCESS_MODE_SECT 0x40000000L |
| #define EMMC_OCR_ACCESS_MODE_BYTE 0x00000000L |
| |
| /** EXT_CSD */ |
| #define EMMC_EXT_CSD_S_CMD_SET 504 |
| #define EMMC_EXT_CSD_INI_TIMEOUT_AP 241 |
| #define EMMC_EXT_CSD_PWR_CL_DDR_52_360 239 |
| #define EMMC_EXT_CSD_PWR_CL_DDR_52_195 238 |
| #define EMMC_EXT_CSD_MIN_PERF_DDR_W_8_52 235 |
| #define EMMC_EXT_CSD_MIN_PERF_DDR_R_8_52 234 |
| #define EMMC_EXT_CSD_TRIM_MULT 232 |
| #define EMMC_EXT_CSD_SEC_FEATURE_SUPPORT 231 |
| #define EMMC_EXT_CSD_SEC_ERASE_MULT 229 |
| #define EMMC_EXT_CSD_BOOT_INFO 228 |
| #define EMMC_EXT_CSD_BOOT_SIZE_MULTI 226 |
| #define EMMC_EXT_CSD_ACC_SIZE 225 |
| #define EMMC_EXT_CSD_HC_ERASE_GRP_SIZE 224 |
| #define EMMC_EXT_CSD_ERASE_TIMEOUT_MULT 223 |
| #define EMMC_EXT_CSD_PEL_WR_SEC_C 222 |
| #define EMMC_EXT_CSD_HC_WP_GRP_SIZE 221 |
| #define EMMC_EXT_CSD_S_C_VCC 220 |
| #define EMMC_EXT_CSD_S_C_VCCQ 219 |
| #define EMMC_EXT_CSD_S_A_TIMEOUT 217 |
| #define EMMC_EXT_CSD_SEC_COUNT 215 |
| #define EMMC_EXT_CSD_MIN_PERF_W_8_52 210 |
| #define EMMC_EXT_CSD_MIN_PERF_R_8_52 209 |
| #define EMMC_EXT_CSD_MIN_PERF_W_8_26_4_52 208 |
| #define EMMC_EXT_CSD_MIN_PERF_R_8_26_4_52 207 |
| #define EMMC_EXT_CSD_MIN_PERF_W_4_26 206 |
| #define EMMC_EXT_CSD_MIN_PERF_R_4_26 205 |
| #define EMMC_EXT_CSD_PWR_CL_26_360 203 |
| #define EMMC_EXT_CSD_PWR_CL_52_360 202 |
| #define EMMC_EXT_CSD_PWR_CL_26_195 201 |
| #define EMMC_EXT_CSD_PWR_CL_52_195 200 |
| #define EMMC_EXT_CSD_CARD_TYPE 196 |
| #define EMMC_EXT_CSD_CSD_STRUCTURE 194 |
| #define EMMC_EXT_CSD_EXT_CSD_REV 192 |
| #define EMMC_EXT_CSD_CMD_SET 191 |
| #define EMMC_EXT_CSD_CMD_SET_REV 189 |
| #define EMMC_EXT_CSD_POWER_CLASS 187 |
| #define EMMC_EXT_CSD_HS_TIMING 185 |
| #define EMMC_EXT_CSD_BUS_WIDTH 183 |
| #define EMMC_EXT_CSD_ERASED_MEM_CONT 181 |
| #define EMMC_EXT_CSD_PARTITION_CONFIG 179 |
| #define EMMC_EXT_CSD_BOOT_CONFIG_PROT 178 |
| #define EMMC_EXT_CSD_BOOT_BUS_WIDTH 177 |
| #define EMMC_EXT_CSD_ERASE_GROUP_DEF 175 |
| #define EMMC_EXT_CSD_BOOT_WP 173 |
| #define EMMC_EXT_CSD_USER_WP 171 |
| #define EMMC_EXT_CSD_FW_CONFIG 169 |
| #define EMMC_EXT_CSD_RPMB_SIZE_MULT 168 |
| #define EMMC_EXT_CSD_RST_n_FUNCTION 162 |
| #define EMMC_EXT_CSD_PARTITIONING_SUPPORT 160 |
| #define EMMC_EXT_CSD_MAX_ENH_SIZE_MULT 159 |
| #define EMMC_EXT_CSD_PARTITIONS_ATTRIBUTE 156 |
| #define EMMC_EXT_CSD_PARTITION_SETTING_COMPLETED 155 |
| #define EMMC_EXT_CSD_GP_SIZE_MULT 154 |
| #define EMMC_EXT_CSD_ENH_SIZE_MULT 142 |
| #define EMMC_EXT_CSD_ENH_START_ADDR 139 |
| #define EMMC_EXT_CSD_SEC_BAD_BLK_MGMNT 134 |
| |
| #define EMMC_EXT_CSD_CARD_TYPE_26MHZ 0x01 |
| #define EMMC_EXT_CSD_CARD_TYPE_52MHZ 0x02 |
| #define EMMC_EXT_CSD_CARD_TYPE_DDR_52MHZ_12V 0x04 |
| #define EMMC_EXT_CSD_CARD_TYPE_DDR_52MHZ_18V 0x08 |
| #define EMMC_EXT_CSD_CARD_TYPE_52MHZ_MASK 0x0e |
| |
| /** SWITCH (CMD6) argument */ |
| #define EXTCSD_ACCESS_BYTE (BIT25|BIT24) |
| #define EXTCSD_SET_BITS BIT24 |
| |
| #define HS_TIMING_ADD (185<<16) /* H'b9 */ |
| #define HS_TIMING_1 (1<<8) |
| #define HS_TIMING_HS200 (2<<8) |
| #define HS_TIMING_HS400 (3<<8) |
| |
| #define BUS_WIDTH_ADD (183<<16) /* H'b7 */ |
| #define BUS_WIDTH_1 (0<<8) |
| #define BUS_WIDTH_4 (1<<8) |
| #define BUS_WIDTH_8 (2<<8) |
| #define BUS_WIDTH_4DDR (5<<8) |
| #define BUS_WIDTH_8DDR (6<<8) |
| |
| #define EMMC_SWITCH_HS_TIMING (EXTCSD_ACCESS_BYTE|HS_TIMING_ADD|HS_TIMING_1) /**< H'03b90100 */ |
| #define EMMC_SWITCH_HS_TIMING_OFF (EXTCSD_ACCESS_BYTE|HS_TIMING_ADD) /**< H'03b90000 */ |
| |
| #define EMMC_SWITCH_BUS_WIDTH_1 (EXTCSD_ACCESS_BYTE|BUS_WIDTH_ADD|BUS_WIDTH_1) /**< H'03b70000 */ |
| #define EMMC_SWITCH_BUS_WIDTH_4 (EXTCSD_ACCESS_BYTE|BUS_WIDTH_ADD|BUS_WIDTH_4) /**< H'03b70100 */ |
| #define EMMC_SWITCH_BUS_WIDTH_8 (EXTCSD_ACCESS_BYTE|BUS_WIDTH_ADD|BUS_WIDTH_8) /**< H'03b70200 */ |
| #define EMMC_SWITCH_BUS_WIDTH_4DDR (EXTCSD_ACCESS_BYTE|BUS_WIDTH_ADD|BUS_WIDTH_4DDR) /**< H'03b70500 */ |
| #define EMMC_SWITCH_BUS_WIDTH_8DDR (EXTCSD_ACCESS_BYTE|BUS_WIDTH_ADD|BUS_WIDTH_8DDR) /**< H'03b70600 */ |
| #define EMMC_SWITCH_PARTITION_CONFIG 0x03B30000UL /**< Partition config = 0x00 */ |
| |
| #define TIMING_HIGH_SPEED 1UL |
| #define EMMC_BOOT_PARTITION_EN_MASK 0x38U |
| #define EMMC_BOOT_PARTITION_EN_SHIFT 3U |
| |
| /** Bus width */ |
| #define EMMC_BUSWIDTH_1BIT CE_CMD_SET_DATW_1BIT |
| #define EMMC_BUSWIDTH_4BIT CE_CMD_SET_DATW_4BIT |
| #define EMMC_BUSWIDTH_8BIT CE_CMD_SET_DATW_8BIT |
| |
| /** for st_mmc_base */ |
| #define EMMC_MAX_RESPONSE_LENGTH 17 |
| #define EMMC_MAX_CID_LENGTH 16 |
| #define EMMC_MAX_CSD_LENGTH 16 |
| #define EMMC_MAX_EXT_CSD_LENGTH 512U |
| #define EMMC_RES_REG_ALIGNED 4U |
| #define EMMC_BUF_REG_ALIGNED 8U |
| |
| /** @brief for TAAC mask |
| */ |
| #define TAAC_TIME_UNIT_MASK (0x07) |
| #define TAAC_MULTIPLIER_FACTOR_MASK (0x0F) |
| |
| /* ********************** STRUCTURES, TYPE DEFINITIONS ********************* */ |
| |
| /** @brief Partition id |
| */ |
| typedef enum { |
| PARTITION_ID_USER = 0x0, /**< User Area */ |
| PARTITION_ID_BOOT_1 = 0x1, /**< boot partition 1 */ |
| PARTITION_ID_BOOT_2 = 0x2, /**< boot partition 2 */ |
| PARTITION_ID_RPMB = 0x3, /**< Replay Protected Memory Block */ |
| PARTITION_ID_GP_1 = 0x4, /**< General Purpose partition 1 */ |
| PARTITION_ID_GP_2 = 0x5, /**< General Purpose partition 2 */ |
| PARTITION_ID_GP_3 = 0x6, /**< General Purpose partition 3 */ |
| PARTITION_ID_GP_4 = 0x7, /**< General Purpose partition 4 */ |
| PARTITION_ID_MASK = 0x7 /**< [2:0] */ |
| } EMMC_PARTITION_ID; |
| |
| /** @brief card state in R1 response [12:9] |
| */ |
| typedef enum { |
| EMMC_R1_STATE_IDLE = 0, |
| EMMC_R1_STATE_READY, |
| EMMC_R1_STATE_IDENT, |
| EMMC_R1_STATE_STBY, |
| EMMC_R1_STATE_TRAN, |
| EMMC_R1_STATE_DATA, |
| EMMC_R1_STATE_RCV, |
| EMMC_R1_STATE_PRG, |
| EMMC_R1_STATE_DIS, |
| EMMC_R1_STATE_BTST, |
| EMMC_R1_STATE_SLEP |
| } EMMC_R1_STATE; |
| |
| typedef enum { |
| ESTATE_BEGIN = 0, |
| ESTATE_ISSUE_CMD, |
| ESTATE_NON_RESP_CMD, |
| ESTATE_RCV_RESP, |
| ESTATE_RCV_RESPONSE_BUSY, |
| ESTATE_CHECK_RESPONSE_COMPLETE, |
| ESTATE_DATA_TRANSFER, |
| ESTATE_DATA_TRANSFER_COMPLETE, |
| ESTATE_ACCESS_END, |
| ESTATE_TRANSFER_ERROR, |
| ESTATE_ERROR, |
| ESTATE_END |
| } EMMC_INT_STATE; |
| |
| /** @brief eMMC boot driver error information |
| */ |
| typedef struct { |
| uint16_t num; /**< error no */ |
| uint16_t code; /**< error code */ |
| volatile uint32_t info1; /**< SD_INFO1 register value. (hardware dependence) */ |
| volatile uint32_t info2; /**< SD_INFO2 register value. (hardware dependence) */ |
| volatile uint32_t status1;/**< SD_ERR_STS1 register value. (hardware dependence) */ |
| volatile uint32_t status2;/**< SD_ERR_STS2 register value. (hardware dependence) */ |
| volatile uint32_t dm_info1;/**< DM_CM_INFO1 register value. (hardware dependence) */ |
| volatile uint32_t dm_info2;/**< DM_CM_INFO2 register value. (hardware dependence) */ |
| } st_error_info; |
| |
| /** @brief Command information |
| */ |
| typedef struct { |
| HAL_MEMCARD_COMMAND cmd; /**< Command information */ |
| uint32_t arg; /**< argument */ |
| HAL_MEMCARD_OPERATION dir; /**< direction */ |
| uint32_t hw; /**< H/W dependence. SD_CMD register value. */ |
| } st_command_info; |
| |
| /** @brief MMC driver base |
| */ |
| typedef struct { |
| st_error_info error_info; /**< error information */ |
| st_command_info cmd_info; /**< command information */ |
| |
| /* for data transfer */ |
| uint32_t *buff_address_virtual; /**< Dest or Src buff */ |
| uint32_t *buff_address_physical; /**< Dest or Src buff */ |
| HAL_MEMCARD_DATA_WIDTH bus_width; |
| /**< bus width */ |
| uint32_t trans_size; /**< transfer size for this command */ |
| uint32_t remain_size; /**< remain size for this command */ |
| uint32_t response_length; /**< response length for this command */ |
| uint32_t sector_size; /**< sector_size */ |
| |
| /* clock */ |
| uint32_t base_clock; /**< MMC host controller clock */ |
| uint32_t max_freq; /**< Max frequency (Card Spec)[Hz]. It changes dynamically by CSD and EXT_CSD. */ |
| uint32_t request_freq; /**< request freq [Hz] (400K, 26MHz, 52MHz, etc) */ |
| uint32_t current_freq; /**< current MMC clock[Hz] (the closest frequency supported by HW) */ |
| |
| /* state flag */ |
| HAL_MEMCARD_PRESENCE_STATUS card_present; |
| /**< presence status of the memory card */ |
| uint32_t card_power_enable; /**< True : Power ON */ |
| uint32_t clock_enable; /**< True : Clock ON */ |
| uint32_t initialize; /**< True : initialize complete. */ |
| uint32_t access_mode; /**< True : sector access, FALSE : byte access */ |
| uint32_t mount; /**< True : mount complete. */ |
| uint32_t selected; /**< True : selected card. */ |
| HAL_MEMCARD_DATA_TRANSFER_MODE transfer_mode; |
| /**< 0: DMA, 1:PIO */ |
| uint32_t image_num; /**< loaded ISSW image No. ISSW have copy image. */ |
| EMMC_R1_STATE current_state; /**< card state */ |
| volatile uint32_t during_cmd_processing; /**< True : during command processing */ |
| volatile uint32_t during_transfer; /**< True : during transfer */ |
| volatile uint32_t during_dma_transfer; /**< True : during transfer (DMA)*/ |
| volatile uint32_t dma_error_flag; /**< True : occurred DMAC error */ |
| volatile uint32_t force_terminate; /**< force terminate flag */ |
| volatile uint32_t state_machine_blocking; /**< state machine blocking flag : True or False */ |
| volatile uint32_t get_partition_access_flag; |
| /**< True : get partition access processing */ |
| |
| EMMC_PARTITION_ID boot_partition_en; /**< Boot partition */ |
| EMMC_PARTITION_ID partition_access; /**< Current access partition */ |
| |
| /* timeout */ |
| uint32_t hs_timing; /**< high speed */ |
| |
| /* timeout */ |
| uint32_t data_timeout; /**< read and write data timeout.*/ |
| |
| /* retry */ |
| uint32_t retries_after_fail; /**< how many times to try after fail, for instance sending command */ |
| |
| /* interrupt */ |
| volatile uint32_t int_event1; /**< interrupt SD_INFO1 Event */ |
| volatile uint32_t int_event2; /**< interrupt SD_INFO2 Event */ |
| volatile uint32_t dm_event1; /**< interrupt DM_CM_INFO1 Event */ |
| volatile uint32_t dm_event2; /**< interrupt DM_CM_INFO2 Event */ |
| |
| /* response */ |
| uint32_t *response; /**< pointer to buffer for executing command. */ |
| uint32_t r1_card_status; /**< R1 response data */ |
| uint32_t r3_ocr; /**< R3 response data */ |
| uint32_t r4_resp; /**< R4 response data */ |
| uint32_t r5_resp; /**< R5 response data */ |
| |
| uint32_t low_clock_mode_enable; |
| /**< True : clock mode is low. (MMC clock = Max26MHz) */ |
| uint32_t reserved2; |
| uint32_t reserved3; |
| uint32_t reserved4; |
| |
| /* CSD registers (4byte align) */ |
| uint8_t csd_data[EMMC_MAX_CSD_LENGTH] /**< CSD */ |
| __attribute__ ((aligned(EMMC_RES_REG_ALIGNED))); |
| /* CID registers (4byte align) */ |
| uint8_t cid_data[EMMC_MAX_CID_LENGTH] /**< CID */ |
| __attribute__ ((aligned(EMMC_RES_REG_ALIGNED))); |
| /* EXT CSD registers (8byte align) */ |
| uint8_t ext_csd_data[EMMC_MAX_EXT_CSD_LENGTH] /**< EXT_CSD */ |
| __attribute__ ((aligned(EMMC_BUF_REG_ALIGNED))); |
| /* Response registers (4byte align) */ |
| uint8_t response_data[EMMC_MAX_RESPONSE_LENGTH] /**< other response */ |
| __attribute__ ((aligned(EMMC_RES_REG_ALIGNED))); |
| } st_mmc_base; |
| |
| typedef int (*func) (void); |
| |
| /* ********************** DECLARATION OF EXTERNAL DATA ********************* */ |
| |
| /* ************************** FUNCTION PROTOTYPES ************************** */ |
| uint32_t emmc_get_csd_time(void); |
| |
| #define MMC_DEBUG |
| /* ********************************* CODE ********************************** */ |
| |
| /* ******************************** END ************************************ */ |
| #endif /* EMMC_STD_H */ |