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path: root/drivers/renesas/common/emmc/emmc_std.h
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-rw-r--r--drivers/renesas/common/emmc/emmc_std.h475
1 files changed, 475 insertions, 0 deletions
diff --git a/drivers/renesas/common/emmc/emmc_std.h b/drivers/renesas/common/emmc/emmc_std.h
new file mode 100644
index 0000000000..087c6e91d8
--- /dev/null
+++ b/drivers/renesas/common/emmc/emmc_std.h
@@ -0,0 +1,475 @@
+/*
+ * Copyright (c) 2015-2020, Renesas Electronics Corporation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef EMMC_STD_H
+#define EMMC_STD_H
+
+#include "emmc_hal.h"
+
+#ifndef FALSE
+#define FALSE 0U
+#endif
+#ifndef TRUE
+#define TRUE 1U
+#endif
+
+/* 64bit registers */
+#define SETR_64(r, v) (*(volatile uint64_t *)(r) = (v))
+#define GETR_64(r) (*(volatile uint64_t *)(r))
+
+/* 32bit registers */
+#define SETR_32(r, v) (*(volatile uint32_t *)(r) = (v))
+#define GETR_32(r) (*(volatile uint32_t *)(r))
+
+/* 16bit registers */
+#define SETR_16(r, v) (*(volatile uint16_t *)(r) = (v))
+#define GETR_16(r) (*(volatile uint16_t *)(r))
+
+/* 8bit registers */
+#define SETR_8(r, v) (*(volatile uint8_t *)(r) = (v))
+#define GETR_8(r) (*(volatile uint8_t *)(r))
+
+/* 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))
+
+/* 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))
+
+/* 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 */
+
+/* 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 */
+
+/* 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 */
+ 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;
+
+/* 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
+/*
+ * Response
+ * R1
+ * Type 'E' bit and bit14(must be 0). ignore bit22
+ */
+#define EMMC_R1_ERROR_MASK 0xFDBFE080U
+/* Ignore bit23 (Not check CRC error) */
+#define EMMC_R1_ERROR_MASK_WITHOUT_CRC (0xFD3FE080U)
+#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 */
+/* Partition config = 0x00 */
+#define EMMC_SWITCH_PARTITION_CONFIG 0x03B30000UL
+
+#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
+
+/* TAAC mask */
+#define TAAC_TIME_UNIT_MASK (0x07)
+#define TAAC_MULTIPLIER_FACTOR_MASK (0x0F)
+
+/* 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;
+
+/* 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;
+
+/* eMMC boot driver error information */
+typedef struct {
+ uint16_t num; /* error no */
+ uint16_t code; /* error code */
+
+ volatile uint32_t info1; /* SD_INFO1. (hw dependent) */
+ volatile uint32_t info2; /* SD_INFO2. (hw dependent) */
+ volatile uint32_t status1; /* SD_ERR_STS1. (hw dependent) */
+ volatile uint32_t status2; /* SD_ERR_STS2. (hw dependent) */
+ volatile uint32_t dm_info1; /* DM_CM_INFO1. (hw dependent) */
+ volatile uint32_t dm_info2; /* DM_CM_INFO2. (hw dependent) */
+} st_error_info;
+
+/* Command information */
+typedef struct {
+ HAL_MEMCARD_COMMAND cmd; /* Command information */
+ uint32_t arg; /* argument */
+ HAL_MEMCARD_OPERATION dir; /* direction */
+ uint32_t hw; /* SD_CMD register value. */
+} st_command_info;
+
+/* 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 */
+ /*
+ * Max freq (Card Spec)[Hz]. It changes dynamically by CSD and
+ * EXT_CSD.
+ */
+ uint32_t max_freq;
+ /* request freq [Hz] (400K, 26MHz, 52MHz, etc) */
+ uint32_t request_freq;
+ /* current MMC clock[Hz] (the closest frequency supported by HW) */
+ uint32_t current_freq;
+
+ /* state flag */
+ /* presence status of the memory card */
+ HAL_MEMCARD_PRESENCE_STATUS card_present;
+
+ uint32_t card_power_enable;
+ uint32_t clock_enable;
+ /* True : initialize complete. */
+ uint32_t initialize;
+ /* True : sector access, FALSE : byte access */
+ uint32_t access_mode;
+ /* True : mount complete. */
+ uint32_t mount;
+ /* True : selected card. */
+ uint32_t selected;
+ /* 0: DMA, 1:PIO */
+ HAL_MEMCARD_DATA_TRANSFER_MODE transfer_mode;
+
+ /* loaded ISSW image No. ISSW have copy image. */
+ uint32_t image_num;
+ /* card state */
+ EMMC_R1_STATE current_state;
+ /* True : during command processing */
+ volatile uint32_t during_cmd_processing;
+ /* True : during transfer */
+ volatile uint32_t during_transfer;
+ /* True : during transfer (DMA) */
+ volatile uint32_t during_dma_transfer;
+ /* True : occurred DMAC error */
+ volatile uint32_t dma_error_flag;
+ /* force terminate flag */
+ volatile uint32_t force_terminate;
+ /* state machine blocking flag : True or False */
+ volatile uint32_t state_machine_blocking;
+ /* True : get partition access processing */
+ volatile uint32_t get_partition_access_flag;
+
+ EMMC_PARTITION_ID boot_partition_en; /* Boot partition */
+ EMMC_PARTITION_ID partition_access; /* Current access partition */
+
+ /* timeout */
+ uint32_t hs_timing;
+
+ /* read and write data timeout */
+ uint32_t data_timeout;
+
+ /* retry */
+ uint32_t retries_after_fail;
+
+ /* 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; /* buffer ptr 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 */
+
+ /* True : clock mode is low. (MMC clock = Max26MHz) */
+ uint32_t low_clock_mode_enable;
+
+ 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);
+
+uint32_t emmc_get_csd_time(void);
+
+#define MMC_DEBUG
+#endif /* EMMC_STD_H */