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authorJorge Ramirez-Ortiz <jramirez@baylibre.com>2018-09-23 09:39:56 +0200
committerldts <jorge.ramirez.ortiz@gmail.com>2018-10-17 18:41:17 +0200
commit3bfe202af6bb6353d6cd9fdae8a0167e3c9b5a3e (patch)
treeec049c0e3c1e47f20a1a3da35e690dff1bd38649 /drivers/renesas/rcar
parent2f7de7271ff5d544a3609dc72438d6f70665596f (diff)
downloadtrusted-firmware-a-3bfe202af6bb6353d6cd9fdae8a0167e3c9b5a3e.tar.gz
rcar_gen3: drivers: emmc
Signed-off-by: ldts <jramirez@baylibre.com>
Diffstat (limited to 'drivers/renesas/rcar')
-rw-r--r--drivers/renesas/rcar/emmc/emmc_cmd.c491
-rw-r--r--drivers/renesas/rcar/emmc/emmc_config.h40
-rw-r--r--drivers/renesas/rcar/emmc/emmc_def.h78
-rw-r--r--drivers/renesas/rcar/emmc/emmc_hal.h318
-rw-r--r--drivers/renesas/rcar/emmc/emmc_init.c163
-rw-r--r--drivers/renesas/rcar/emmc/emmc_interrupt.c217
-rw-r--r--drivers/renesas/rcar/emmc/emmc_mount.c680
-rw-r--r--drivers/renesas/rcar/emmc/emmc_read.c127
-rw-r--r--drivers/renesas/rcar/emmc/emmc_registers.h260
-rw-r--r--drivers/renesas/rcar/emmc/emmc_std.h474
-rw-r--r--drivers/renesas/rcar/emmc/emmc_utility.c225
11 files changed, 3073 insertions, 0 deletions
diff --git a/drivers/renesas/rcar/emmc/emmc_cmd.c b/drivers/renesas/rcar/emmc/emmc_cmd.c
new file mode 100644
index 0000000000..0f393490cc
--- /dev/null
+++ b/drivers/renesas/rcar/emmc/emmc_cmd.c
@@ -0,0 +1,491 @@
+/*
+ * Copyright (c) 2015-2017, Renesas Electronics Corporation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <debug.h>
+#include "emmc_config.h"
+#include "emmc_hal.h"
+#include "emmc_std.h"
+#include "emmc_registers.h"
+#include "emmc_def.h"
+#include "micro_delay.h"
+
+static void emmc_little_to_big(uint8_t *p, uint32_t value)
+{
+ if (p == NULL)
+ return;
+
+ p[0] = (uint8_t) (value >> 24);
+ p[1] = (uint8_t) (value >> 16);
+ p[2] = (uint8_t) (value >> 8);
+ p[3] = (uint8_t) value;
+}
+
+static void emmc_softreset(void)
+{
+ int32_t loop = 10000;
+ int32_t retry = 1000;
+
+ /* flag clear */
+ mmc_drv_obj.during_cmd_processing = FALSE;
+ mmc_drv_obj.during_transfer = FALSE;
+ mmc_drv_obj.during_dma_transfer = FALSE;
+ mmc_drv_obj.state_machine_blocking = FALSE;
+ mmc_drv_obj.force_terminate = FALSE;
+ mmc_drv_obj.dma_error_flag = FALSE;
+
+ /* during operation ? */
+ if ((GETR_32(SD_INFO2) & SD_INFO2_CBSY) == 0)
+ goto reset;
+
+ /* wait CMDSEQ = 0 */
+ while (loop > 0) {
+ if ((GETR_32(SD_INFO2) & SD_INFO2_CBSY) == 0)
+ break; /* ready */
+
+ loop--;
+ if ((loop == 0) && (retry > 0)) {
+ rcar_micro_delay(1000U); /* wait 1ms */
+ loop = 10000;
+ retry--;
+ }
+ }
+
+reset:
+ /* reset */
+ SETR_32(SOFT_RST, (GETR_32(SOFT_RST) & (~SOFT_RST_SDRST)));
+ SETR_32(SOFT_RST, (GETR_32(SOFT_RST) | SOFT_RST_SDRST));
+
+ /* initialize */
+ SETR_32(SD_INFO1, 0x00000000U);
+ SETR_32(SD_INFO2, SD_INFO2_CLEAR);
+ SETR_32(SD_INFO1_MASK, 0x00000000U); /* all interrupt disable */
+ SETR_32(SD_INFO2_MASK, SD_INFO2_CLEAR); /* all interrupt disable */
+
+}
+
+static void emmc_read_response(uint32_t *response)
+{
+ uint8_t *p;
+
+ if (response == NULL)
+ return;
+
+ /* read response */
+ if (mmc_drv_obj.response_length != EMMC_MAX_RESPONSE_LENGTH) {
+ *response = GETR_32(SD_RSP10); /* [39:8] */
+ return;
+ }
+
+ /* CSD or CID */
+ p = (uint8_t *) (response);
+ emmc_little_to_big(p, ((GETR_32(SD_RSP76) << 8)
+ | (GETR_32(SD_RSP54) >> 24))); /* [127:96] */
+ emmc_little_to_big(p + 4, ((GETR_32(SD_RSP54) << 8)
+ | (GETR_32(SD_RSP32) >> 24))); /* [95:64] */
+ emmc_little_to_big(p + 8, ((GETR_32(SD_RSP32) << 8)
+ | (GETR_32(SD_RSP10) >> 24))); /* [63:32] */
+ emmc_little_to_big(p + 12, (GETR_32(SD_RSP10) << 8));
+}
+
+static EMMC_ERROR_CODE emmc_response_check(uint32_t *response,
+ uint32_t error_mask)
+{
+
+ HAL_MEMCARD_RESPONSE_TYPE response_type =
+ (HAL_MEMCARD_RESPONSE_TYPE) (mmc_drv_obj.cmd_info.
+ cmd & HAL_MEMCARD_RESPONSE_TYPE_MASK);
+
+ if (response == NULL)
+ return EMMC_ERR_PARAM;
+
+ if (response_type == HAL_MEMCARD_RESPONSE_NONE)
+ return EMMC_SUCCESS;
+
+
+ if (response_type <= HAL_MEMCARD_RESPONSE_R1b) {
+ /* R1 or R1b */
+ mmc_drv_obj.current_state =
+ (EMMC_R1_STATE) ((*response & EMMC_R1_STATE_MASK) >>
+ EMMC_R1_STATE_SHIFT);
+ if ((*response & error_mask) != 0) {
+ if ((0x80 & *response) != 0) {
+ ERROR("BL2: emmc SWITCH_ERROR\n");
+ }
+ return EMMC_ERR_CARD_STATUS_BIT;
+ }
+ return EMMC_SUCCESS;;
+ }
+
+ if (response_type == HAL_MEMCARD_RESPONSE_R4) {
+ if ((*response & EMMC_R4_STATUS) != 0)
+ return EMMC_ERR_CARD_STATUS_BIT;
+ }
+
+ return EMMC_SUCCESS;
+}
+
+static void emmc_WaitCmd2Cmd_8Cycle(void)
+{
+ uint32_t dataL, wait = 0;
+
+ dataL = GETR_32(SD_CLK_CTRL);
+ dataL &= 0x000000FF;
+
+ switch (dataL) {
+ case 0xFF:
+ case 0x00:
+ case 0x01:
+ case 0x02:
+ case 0x04:
+ case 0x08:
+ case 0x10:
+ case 0x20:
+ wait = 10U;
+ break;
+ case 0x40:
+ wait = 20U;
+ break;
+ case 0x80:
+ wait = 30U;
+ break;
+ }
+
+ rcar_micro_delay(wait);
+}
+
+static void cmdErrSdInfo2Log(void)
+{
+ ERROR("BL2: emmc ERR SD_INFO2 = 0x%x\n", mmc_drv_obj.error_info.info2);
+}
+
+static void emmc_data_transfer_dma(void)
+{
+ mmc_drv_obj.during_dma_transfer = TRUE;
+ mmc_drv_obj.dma_error_flag = FALSE;
+
+ SETR_32(SD_INFO1_MASK, 0x00000000U);
+ SETR_32(SD_INFO2_MASK, (SD_INFO2_ALL_ERR | SD_INFO2_CLEAR));
+
+ /* DMAC setting */
+ if (mmc_drv_obj.cmd_info.dir == HAL_MEMCARD_WRITE) {
+ /* transfer complete interrupt enable */
+ SETR_32(DM_CM_INFO1_MASK,
+ (DM_CM_INFO_MASK_CLEAR | DM_CM_INFO_CH0_ENABLE));
+ SETR_32(DM_CM_INFO2_MASK,
+ (DM_CM_INFO_MASK_CLEAR | DM_CM_INFO_CH0_ENABLE));
+ /* BUFF --> FIFO */
+ SETR_32(DM_CM_DTRAN_MODE, (DM_CM_DTRAN_MODE_CH0 |
+ DM_CM_DTRAN_MODE_BIT_WIDTH));
+ } else {
+ /* transfer complete interrupt enable */
+ SETR_32(DM_CM_INFO1_MASK,
+ (DM_CM_INFO_MASK_CLEAR | DM_CM_INFO_CH1_ENABLE));
+ SETR_32(DM_CM_INFO2_MASK,
+ (DM_CM_INFO_MASK_CLEAR | DM_CM_INFO_CH1_ENABLE));
+ /* FIFO --> BUFF */
+ SETR_32(DM_CM_DTRAN_MODE, (DM_CM_DTRAN_MODE_CH1
+ | DM_CM_DTRAN_MODE_BIT_WIDTH));
+ }
+ SETR_32(DM_DTRAN_ADDR, (((uintptr_t) mmc_drv_obj.buff_address_virtual &
+ DM_DTRAN_ADDR_WRITE_MASK)));
+
+ SETR_32(DM_CM_DTRAN_CTRL, DM_CM_DTRAN_CTRL_START);
+}
+
+EMMC_ERROR_CODE emmc_exec_cmd(uint32_t error_mask, uint32_t *response)
+{
+ EMMC_ERROR_CODE rtn_code = EMMC_SUCCESS;
+ HAL_MEMCARD_RESPONSE_TYPE response_type;
+ HAL_MEMCARD_COMMAND_TYPE cmd_type;
+ EMMC_INT_STATE state;
+ uint32_t err_not_care_flag = FALSE;
+
+ /* parameter check */
+ if (response == NULL) {
+ emmc_write_error_info(EMMC_FUNCNO_EXEC_CMD, EMMC_ERR_PARAM);
+ return EMMC_ERR_PARAM;
+ }
+
+ /* state check */
+ if (mmc_drv_obj.clock_enable != TRUE) {
+ emmc_write_error_info(EMMC_FUNCNO_EXEC_CMD, EMMC_ERR_STATE);
+ return EMMC_ERR_STATE;
+ }
+
+ if (mmc_drv_obj.state_machine_blocking == TRUE) {
+ emmc_write_error_info(EMMC_FUNCNO_EXEC_CMD, EMMC_ERR);
+ return EMMC_ERR;
+ }
+
+ state = ESTATE_BEGIN;
+ response_type =
+ (HAL_MEMCARD_RESPONSE_TYPE) (mmc_drv_obj.cmd_info.
+ cmd & HAL_MEMCARD_RESPONSE_TYPE_MASK);
+ cmd_type =
+ (HAL_MEMCARD_COMMAND_TYPE) (mmc_drv_obj.cmd_info.
+ cmd & HAL_MEMCARD_COMMAND_TYPE_MASK);
+
+ /* state machine */
+ while ((mmc_drv_obj.force_terminate != TRUE) && (state != ESTATE_END)) {
+ /* The interrupt factor flag is observed. */
+ emmc_interrupt();
+
+ /* wait interrupt */
+ if (mmc_drv_obj.state_machine_blocking == TRUE)
+ continue;
+
+ switch (state) {
+ case ESTATE_BEGIN:
+ /* Busy check */
+ if ((mmc_drv_obj.error_info.info2 & SD_INFO2_CBSY) != 0) {
+ emmc_write_error_info(EMMC_FUNCNO_EXEC_CMD,
+ EMMC_ERR_CARD_BUSY);
+ return EMMC_ERR_CARD_BUSY;
+ }
+
+ /* clear register */
+ SETR_32(SD_INFO1, 0x00000000U);
+ SETR_32(SD_INFO2, SD_INFO2_CLEAR);
+ SETR_32(SD_INFO1_MASK, SD_INFO1_INFO0);
+ SETR_32(SD_INFO2_MASK,
+ (SD_INFO2_ALL_ERR | SD_INFO2_CLEAR));
+
+ state = ESTATE_ISSUE_CMD;
+ /* through */
+
+ case ESTATE_ISSUE_CMD:
+ /* ARG */
+ SETR_32(SD_ARG, mmc_drv_obj.cmd_info.arg);
+ /* issue cmd */
+ SETR_32(SD_CMD, mmc_drv_obj.cmd_info.hw);
+ /* Set driver flag */
+ mmc_drv_obj.during_cmd_processing = TRUE;
+ mmc_drv_obj.state_machine_blocking = TRUE;
+
+ if (response_type == HAL_MEMCARD_RESPONSE_NONE) {
+ state = ESTATE_NON_RESP_CMD;
+ } else {
+ state = ESTATE_RCV_RESP;
+ }
+
+ break;
+
+ case ESTATE_NON_RESP_CMD:
+ /* interrupt disable */
+ SETR_32(SD_INFO1_MASK, 0x00000000U);
+ SETR_32(SD_INFO2_MASK, SD_INFO2_CLEAR);
+
+ /* check interrupt */
+ if ((mmc_drv_obj.int_event2 & SD_INFO2_ALL_ERR) != 0) {
+ /* error interrupt */
+ cmdErrSdInfo2Log();
+ rtn_code = EMMC_ERR_INFO2;
+ state = ESTATE_ERROR;
+ } else if ((mmc_drv_obj.int_event1 & SD_INFO1_INFO0) ==
+ 0) {
+ /* not receive expected interrupt */
+ rtn_code = EMMC_ERR_RESPONSE;
+ state = ESTATE_ERROR;
+ } else {
+ emmc_WaitCmd2Cmd_8Cycle();
+ state = ESTATE_END;
+ }
+ break;
+
+ case ESTATE_RCV_RESP:
+ /* interrupt disable */
+ SETR_32(SD_INFO1_MASK, 0x00000000U);
+ SETR_32(SD_INFO2_MASK, SD_INFO2_CLEAR);
+
+ /* check interrupt */
+ if ((mmc_drv_obj.int_event2 & SD_INFO2_ALL_ERR) != 0) {
+ if ((mmc_drv_obj.get_partition_access_flag ==
+ TRUE)
+ && ((mmc_drv_obj.int_event2 & SD_INFO2_ERR6)
+ != 0U)) {
+ err_not_care_flag = TRUE;
+ rtn_code = EMMC_ERR_CMD_TIMEOUT;
+ } else {
+ /* error interrupt */
+ cmdErrSdInfo2Log();
+ rtn_code = EMMC_ERR_INFO2;
+ }
+ state = ESTATE_ERROR;
+ break;
+ } else if ((mmc_drv_obj.int_event1 & SD_INFO1_INFO0) ==
+ 0) {
+ /* not receive expected interrupt */
+ rtn_code = EMMC_ERR_RESPONSE;
+ state = ESTATE_ERROR;
+ break;
+ }
+
+ /* read response */
+ emmc_read_response(response);
+
+ /* check response */
+ rtn_code = emmc_response_check(response, error_mask);
+ if (rtn_code != EMMC_SUCCESS) {
+ state = ESTATE_ERROR;
+ break;
+ }
+
+ if (response_type == HAL_MEMCARD_RESPONSE_R1b) {
+ /* R1b */
+ SETR_32(SD_INFO2_MASK,
+ (SD_INFO2_ALL_ERR | SD_INFO2_CLEAR));
+ state = ESTATE_RCV_RESPONSE_BUSY;
+ } else {
+ state = ESTATE_CHECK_RESPONSE_COMPLETE;
+ }
+ break;
+
+ case ESTATE_RCV_RESPONSE_BUSY:
+ /* check interrupt */
+ if ((mmc_drv_obj.int_event2 & SD_INFO2_ALL_ERR) != 0) {
+ /* error interrupt */
+ cmdErrSdInfo2Log();
+ rtn_code = EMMC_ERR_INFO2;
+ state = ESTATE_ERROR;
+ break;
+ }
+ /* DAT0 not Busy */
+ if ((SD_INFO2_DAT0 & mmc_drv_obj.error_info.info2) != 0) {
+ state = ESTATE_CHECK_RESPONSE_COMPLETE;
+ break;
+ }
+ break;
+
+ case ESTATE_CHECK_RESPONSE_COMPLETE:
+ if (cmd_type >= HAL_MEMCARD_COMMAND_TYPE_ADTC_WRITE) {
+ state = ESTATE_DATA_TRANSFER;
+ } else {
+ emmc_WaitCmd2Cmd_8Cycle();
+ state = ESTATE_END;
+ }
+ break;
+
+ case ESTATE_DATA_TRANSFER:
+ /* ADTC command */
+ mmc_drv_obj.during_transfer = TRUE;
+ mmc_drv_obj.state_machine_blocking = TRUE;
+
+ if (mmc_drv_obj.transfer_mode == HAL_MEMCARD_DMA) {
+ /* DMA */
+ emmc_data_transfer_dma();
+ } else {
+ /* PIO */
+ /* interrupt enable (FIFO read/write enable) */
+ if (mmc_drv_obj.cmd_info.dir ==
+ HAL_MEMCARD_WRITE) {
+ SETR_32(SD_INFO2_MASK,
+ (SD_INFO2_BWE | SD_INFO2_ALL_ERR
+ | SD_INFO2_CLEAR));
+ } else {
+ SETR_32(SD_INFO2_MASK,
+ (SD_INFO2_BRE | SD_INFO2_ALL_ERR
+ | SD_INFO2_CLEAR));
+ }
+ }
+ state = ESTATE_DATA_TRANSFER_COMPLETE;
+ break;
+
+ case ESTATE_DATA_TRANSFER_COMPLETE:
+ /* check interrupt */
+ if ((mmc_drv_obj.int_event2 & SD_INFO2_ALL_ERR) != 0) {
+ /* error interrupt */
+ cmdErrSdInfo2Log();
+ rtn_code = EMMC_ERR_INFO2;
+ state = ESTATE_TRANSFER_ERROR;
+ break;
+ }
+
+ /* DMAC error ? */
+ if (mmc_drv_obj.dma_error_flag == TRUE) {
+ /* Error occurred in DMAC driver. */
+ rtn_code = EMMC_ERR_FROM_DMAC_TRANSFER;
+ state = ESTATE_TRANSFER_ERROR;
+ } else if (mmc_drv_obj.during_dma_transfer == TRUE) {
+ /* DMAC not finished. unknown error */
+ rtn_code = EMMC_ERR;
+ state = ESTATE_TRANSFER_ERROR;
+ } else {
+ SETR_32(SD_INFO1_MASK, SD_INFO1_INFO2);
+ SETR_32(SD_INFO2_MASK,
+ (SD_INFO2_ALL_ERR | SD_INFO2_CLEAR));
+
+ mmc_drv_obj.state_machine_blocking = TRUE;
+
+ state = ESTATE_ACCESS_END;
+ }
+ break;
+
+ case ESTATE_ACCESS_END:
+
+ /* clear flag */
+ if (HAL_MEMCARD_DMA == mmc_drv_obj.transfer_mode) {
+ SETR_32(CC_EXT_MODE, CC_EXT_MODE_CLEAR); /* W (CC_EXT_MODE, H'0000_1010) SD_BUF DMA transfer disabled */
+ SETR_32(SD_STOP, 0x00000000U);
+ mmc_drv_obj.during_dma_transfer = FALSE;
+ }
+
+ SETR_32(SD_INFO1_MASK, 0x00000000U);
+ SETR_32(SD_INFO2_MASK, SD_INFO2_CLEAR);
+ SETR_32(SD_INFO1, 0x00000000U);
+ SETR_32(SD_INFO2, SD_INFO2_CLEAR);
+
+ if ((mmc_drv_obj.int_event1 & SD_INFO1_INFO2) != 0) {
+ emmc_WaitCmd2Cmd_8Cycle();
+ state = ESTATE_END;
+ } else {
+ state = ESTATE_ERROR;
+ }
+ break;
+
+ case ESTATE_TRANSFER_ERROR:
+ /* The error occurred in the Data transfer. */
+ if (HAL_MEMCARD_DMA == mmc_drv_obj.transfer_mode) {
+ SETR_32(CC_EXT_MODE, CC_EXT_MODE_CLEAR); /* W (CC_EXT_MODE, H'0000_1010) SD_BUF DMA transfer disabled */
+ SETR_32(SD_STOP, 0x00000000U);
+ mmc_drv_obj.during_dma_transfer = FALSE;
+ }
+ /* through */
+
+ case ESTATE_ERROR:
+ if (err_not_care_flag == TRUE) {
+ mmc_drv_obj.during_cmd_processing = FALSE;
+ } else {
+ emmc_softreset();
+ emmc_write_error_info(EMMC_FUNCNO_EXEC_CMD,
+ rtn_code);
+ }
+ return rtn_code;
+
+ default:
+ state = ESTATE_END;
+ break;
+ } /* switch (state) */
+ } /* while ( (mmc_drv_obj.force_terminate != TRUE) && (state != ESTATE_END) ) */
+
+ /* force terminate */
+ if (mmc_drv_obj.force_terminate == TRUE) {
+ /* timeout timer is expired. Or, PIO data transfer error. */
+ /* Timeout occurred in the DMA transfer. */
+ if (mmc_drv_obj.during_dma_transfer == TRUE) {
+ mmc_drv_obj.during_dma_transfer = FALSE;
+ }
+ ERROR("BL2: emmc exec_cmd:EMMC_ERR_FORCE_TERMINATE\n");
+ emmc_softreset();
+
+ return EMMC_ERR_FORCE_TERMINATE; /* error information has already been written. */
+ }
+
+ /* success */
+ mmc_drv_obj.during_cmd_processing = FALSE;
+ mmc_drv_obj.during_transfer = FALSE;
+
+ return EMMC_SUCCESS;
+}
diff --git a/drivers/renesas/rcar/emmc/emmc_config.h b/drivers/renesas/rcar/emmc/emmc_config.h
new file mode 100644
index 0000000000..16dcea199c
--- /dev/null
+++ b/drivers/renesas/rcar/emmc/emmc_config.h
@@ -0,0 +1,40 @@
+/*
+ * Copyright (c) 2015-2017, Renesas Electronics Corporation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+/**
+ * @file emmc_config.h
+ * @brief Configuration file
+ *
+ */
+
+#ifndef __EMMC_CONFIG_H__
+#define __EMMC_CONFIG_H__
+
+/* ************************ HEADER (INCLUDE) SECTION *********************** */
+
+/* ***************** MACROS, CONSTANTS, COMPILATION FLAGS ****************** */
+
+/** @brief MMC driver config
+ */
+#define EMMC_RCA 1UL /* RCA */
+#define EMMC_RW_DATA_TIMEOUT 0x40UL /* 314ms (freq = 400KHz, timeout Counter = 0x04(SDCLK * 2^17) */
+#define EMMC_RETRY_COUNT 0 /* how many times to try after fail. Don't change. */
+#define EMMC_CMD_MAX 60UL /* Don't change. */
+
+/** @brief etc
+ */
+#define LOADIMAGE_FLAGS_DMA_ENABLE 0x00000001UL
+
+/* ********************** STRUCTURES, TYPE DEFINITIONS ********************* */
+
+/* ********************** DECLARATION OF EXTERNAL DATA ********************* */
+
+/* ************************** FUNCTION PROTOTYPES ************************** */
+
+/* ********************************* CODE ********************************** */
+
+#endif /* #ifndef __EMMC_CONFIG_H__ */
+/* ******************************** END ************************************ */
diff --git a/drivers/renesas/rcar/emmc/emmc_def.h b/drivers/renesas/rcar/emmc/emmc_def.h
new file mode 100644
index 0000000000..2944515e99
--- /dev/null
+++ b/drivers/renesas/rcar/emmc/emmc_def.h
@@ -0,0 +1,78 @@
+/*
+ * Copyright (c) 2015-2017, Renesas Electronics Corporation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+/**
+ * @file emmc_def.h
+ * @brief eMMC boot is expecting this header file
+ *
+ */
+
+#ifndef __EMMC_DEF_H__
+#define __EMMC_DEF_H__
+
+#include "emmc_std.h"
+
+/* ************************ HEADER (INCLUDE) SECTION *********************** */
+
+/* ***************** MACROS, CONSTANTS, COMPILATION FLAGS ****************** */
+#define EMMC_POWER_ON (1U)
+
+/* ********************** STRUCTURES, TYPE DEFINITIONS ********************* */
+
+/* ********************** DECLARATION OF EXTERNAL DATA ********************* */
+extern st_mmc_base mmc_drv_obj;
+
+/* ************************** FUNCTION PROTOTYPES ************************** */
+
+/** @brief for assembler program
+ */
+uint32_t _rom_emmc_finalize(void);
+
+/** @brief eMMC driver API
+ */
+EMMC_ERROR_CODE rcar_emmc_init(void);
+EMMC_ERROR_CODE emmc_terminate(void);
+EMMC_ERROR_CODE rcar_emmc_memcard_power(uint8_t mode);
+EMMC_ERROR_CODE rcar_emmc_mount(void);
+EMMC_ERROR_CODE emmc_set_request_mmc_clock(uint32_t *freq);
+EMMC_ERROR_CODE emmc_send_idle_cmd(uint32_t arg);
+EMMC_ERROR_CODE emmc_select_partition(EMMC_PARTITION_ID id);
+EMMC_ERROR_CODE emmc_read_sector(uint32_t *buff_address_virtual,
+ uint32_t sector_number, uint32_t count,
+ uint32_t feature_flags);
+EMMC_ERROR_CODE emmc_write_sector(uint32_t *buff_address_virtual,
+ uint32_t sector_number, uint32_t count,
+ uint32_t feature_flags);
+EMMC_ERROR_CODE emmc_erase_sector(uint32_t *start_address,
+ uint32_t *end_address);
+uint32_t emmc_bit_field(uint8_t *data, uint32_t top, uint32_t bottom);
+
+/** @brief interrupt service
+ */
+uint32_t emmc_interrupt(void);
+
+/** @brief DMA
+ */
+
+/** @brief send command API
+ */
+EMMC_ERROR_CODE emmc_exec_cmd(uint32_t error_mask, uint32_t *response);
+void emmc_make_nontrans_cmd(HAL_MEMCARD_COMMAND cmd, uint32_t arg);
+void emmc_make_trans_cmd(HAL_MEMCARD_COMMAND cmd, uint32_t arg,
+ uint32_t *buff_address_virtual, uint32_t len,
+ HAL_MEMCARD_OPERATION dir,
+ HAL_MEMCARD_DATA_TRANSFER_MODE transfer_mode);
+EMMC_ERROR_CODE emmc_set_ext_csd(uint32_t arg);
+
+/** @brief for error information
+ */
+void emmc_write_error_info(uint16_t func_no, EMMC_ERROR_CODE error_code);
+void emmc_write_error_info_func_no(uint16_t func_no);
+
+/* ********************************* CODE ********************************** */
+
+#endif /* #define __EMMC_DEF_H__ */
+/* ******************************** END ************************************ */
diff --git a/drivers/renesas/rcar/emmc/emmc_hal.h b/drivers/renesas/rcar/emmc/emmc_hal.h
new file mode 100644
index 0000000000..633446c940
--- /dev/null
+++ b/drivers/renesas/rcar/emmc/emmc_hal.h
@@ -0,0 +1,318 @@
+/*
+ * Copyright (c) 2015-2017, Renesas Electronics Corporation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+/**
+ * @file emmc_hal.h
+ * @brief emmc boot driver is expecting this header file
+ *
+ */
+
+#ifndef __EMMC_HAL_H__
+#define __EMMC_HAL_H__
+/* ************************ HEADER (INCLUDE) SECTION *********************** */
+#include <stdint.h>
+/* ***************** MACROS, CONSTANTS, COMPILATION FLAGS ****************** */
+
+/** @brief memory card error/status types
+ */
+#define HAL_MEMCARD_OUT_OF_RANGE 0x80000000L
+#define HAL_MEMCARD_ADDRESS_ERROR 0x40000000L
+#define HAL_MEMCARD_BLOCK_LEN_ERROR 0x20000000L
+#define HAL_MEMCARD_ERASE_SEQ_ERROR 0x10000000L
+#define HAL_MEMCARD_ERASE_PARAM 0x08000000L
+#define HAL_MEMCARD_WP_VIOLATION 0x04000000L
+#define HAL_MEMCARD_CARD_IS_LOCKED 0x02000000L
+#define HAL_MEMCARD_LOCK_UNLOCK_FAILED 0x01000000L
+#define HAL_MEMCARD_COM_CRC_ERROR 0x00800000L
+#define HAL_MEMCARD_ILEGAL_COMMAND 0x00400000L
+#define HAL_MEMCARD_CARD_ECC_FAILED 0x00200000L
+#define HAL_MEMCARD_CC_ERROR 0x00100000L
+#define HAL_MEMCARD_ERROR 0x00080000L
+#define HAL_MEMCARD_UNDERRUN 0x00040000L
+#define HAL_MEMCARD_OVERRUN 0x00020000L
+#define HAL_MEMCARD_CIDCSD_OVERWRITE 0x00010000L
+#define HAL_MEMCARD_WP_ERASE_SKIP 0x00008000L
+#define HAL_MEMCARD_CARD_ECC_DISABLED 0x00004000L
+#define HAL_MEMCARD_ERASE_RESET 0x00002000L
+#define HAL_MEMCARD_CARD_STATE 0x00001E00L
+#define HAL_MEMCARD_CARD_READY_FOR_DATA 0x00000100L
+#define HAL_MEMCARD_APP_CMD 0x00000020L
+#define HAL_MEMCARD_SWITCH_ERROR 0x00000080L
+#define HAL_MEMCARD_AKE_SEQ_ERROR 0x00000008L
+#define HAL_MEMCARD_NO_ERRORS 0x00000000L
+
+/** @brief Memory card response types
+ */
+#define HAL_MEMCARD_COMMAND_INDEX_MASK 0x0003f
+
+/* ********************** STRUCTURES, TYPE DEFINITIONS ********************* */
+
+/** @brief Type of the return value.
+ */
+typedef enum {
+ HAL_MEMCARD_FAIL = 0U,
+ HAL_MEMCARD_OK = 1U,
+ HAL_MEMCARD_DMA_ALLOC_FAIL = 2U, /**< DMA channel allocation failed */
+ HAL_MEMCARD_DMA_TRANSFER_FAIL = 3U, /**< DMA transfer failed */
+ HAL_MEMCARD_CARD_STATUS_ERROR = 4U, /**< A non-masked error bit was set in the card status */
+ HAL_MEMCARD_CMD_TIMEOUT = 5U, /**< Command timeout occurred */
+ HAL_MEMCARD_DATA_TIMEOUT = 6U, /**< Data timeout occurred */
+ HAL_MEMCARD_CMD_CRC_ERROR = 7U, /**< Command CRC error occurred */
+ HAL_MEMCARD_DATA_CRC_ERROR = 8U /**< Data CRC error occurred */
+} HAL_MEMCARD_RETURN;
+
+/** @brief memory access operation
+ */
+typedef enum {
+ HAL_MEMCARD_READ = 0U, /**< read */
+ HAL_MEMCARD_WRITE = 1U /**< write */
+} HAL_MEMCARD_OPERATION;
+
+/** @brief Type of data width on memorycard bus
+ */
+typedef enum {
+ HAL_MEMCARD_DATA_WIDTH_1_BIT = 0U,
+ HAL_MEMCARD_DATA_WIDTH_4_BIT = 1U,
+ HAL_MEMCARD_DATA_WIDTH_8_BIT = 2U
+} HAL_MEMCARD_DATA_WIDTH; /**< data (bus) width types */
+
+/** @brief Presence of the memory card
+ */
+typedef enum {
+ HAL_MEMCARD_CARD_IS_IN = 0U,
+ HAL_MEMCARD_CARD_IS_OUT = 1U
+} HAL_MEMCARD_PRESENCE_STATUS; /* presence status of the memory card */
+
+/** @brief mode of data transfer
+ */
+typedef enum {
+ HAL_MEMCARD_DMA = 0U,
+ HAL_MEMCARD_NOT_DMA = 1U
+} HAL_MEMCARD_DATA_TRANSFER_MODE;
+
+/** @brief Memory card response types.
+ */
+typedef enum hal_memcard_response_type {
+ HAL_MEMCARD_RESPONSE_NONE = 0x00000U,
+ HAL_MEMCARD_RESPONSE_R1 = 0x00100U,
+ HAL_MEMCARD_RESPONSE_R1b = 0x00200U,
+ HAL_MEMCARD_RESPONSE_R2 = 0x00300U,
+ HAL_MEMCARD_RESPONSE_R3 = 0x00400U,
+ HAL_MEMCARD_RESPONSE_R4 = 0x00500U,
+ HAL_MEMCARD_RESPONSE_R5 = 0x00600U,
+ HAL_MEMCARD_RESPONSE_R6 = 0x00700U,
+ HAL_MEMCARD_RESPONSE_R7 = 0x00800U,
+ HAL_MEMCARD_RESPONSE_TYPE_MASK = 0x00f00U
+} HAL_MEMCARD_RESPONSE_TYPE;
+
+/** @brief Memory card command types.
+ */
+typedef enum hal_memcard_command_type {
+ HAL_MEMCARD_COMMAND_TYPE_BC = 0x00000U,
+ HAL_MEMCARD_COMMAND_TYPE_BCR = 0x01000U,
+ HAL_MEMCARD_COMMAND_TYPE_AC = 0x02000U,
+ HAL_MEMCARD_COMMAND_TYPE_ADTC_WRITE = 0x03000U,
+ HAL_MEMCARD_COMMAND_TYPE_ADTC_READ = 0x04000U,
+ HAL_MEMCARD_COMMAND_TYPE_MASK = 0x07000U
+} HAL_MEMCARD_COMMAND_TYPE;
+
+/** @brief Type of memory card
+ */
+typedef enum hal_memcard_command_card_type {
+ HAL_MEMCARD_COMMAND_CARD_TYPE_COMMON = 0x00000U,
+ HAL_MEMCARD_COMMAND_CARD_TYPE_MMC = 0x08000U,
+ HAL_MEMCARD_COMMAND_CARD_TYPE_SD = 0x10000U,
+ HAL_MEMCARD_COMMAND_CARD_TYPE_MASK = 0x18000U
+} HAL_MEMCARD_COMMAND_CARD_TYPE;
+
+/** @brief Memory card application command.
+ */
+typedef enum hal_memcard_command_app_norm {
+ HAL_MEMCARD_COMMAND_NORMAL = 0x00000U,
+ HAL_MEMCARD_COMMAND_APP = 0x20000U,
+ HAL_MEMCARD_COMMAND_APP_NORM_MASK = 0x20000U
+} HAL_MEMCARD_COMMAND_APP_NORM;
+
+/** @brief Memory card command codes.
+ */
+typedef enum {
+/* class 0 and class 1 */
+ CMD0_GO_IDLE_STATE = 0 | HAL_MEMCARD_RESPONSE_NONE | HAL_MEMCARD_COMMAND_TYPE_BC | HAL_MEMCARD_COMMAND_CARD_TYPE_COMMON | HAL_MEMCARD_COMMAND_NORMAL, /* CMD0 */
+ CMD1_SEND_OP_COND = 1 | HAL_MEMCARD_RESPONSE_R3 | HAL_MEMCARD_COMMAND_TYPE_BCR | HAL_MEMCARD_COMMAND_CARD_TYPE_MMC | HAL_MEMCARD_COMMAND_NORMAL, /* CMD1 */
+ CMD2_ALL_SEND_CID_MMC = 2 | HAL_MEMCARD_RESPONSE_R2 | HAL_MEMCARD_COMMAND_TYPE_BCR | HAL_MEMCARD_COMMAND_CARD_TYPE_MMC | HAL_MEMCARD_COMMAND_NORMAL, /* CMD2 */
+ CMD2_ALL_SEND_CID_SD =
+ 2 | HAL_MEMCARD_RESPONSE_R2 | HAL_MEMCARD_COMMAND_TYPE_BCR |
+ HAL_MEMCARD_COMMAND_CARD_TYPE_SD | HAL_MEMCARD_COMMAND_NORMAL,
+ CMD3_SET_RELATIVE_ADDR = 3 | HAL_MEMCARD_RESPONSE_R1 | HAL_MEMCARD_COMMAND_TYPE_AC | HAL_MEMCARD_COMMAND_CARD_TYPE_MMC | HAL_MEMCARD_COMMAND_NORMAL, /* CMD3 */
+ CMD3_SEND_RELATIVE_ADDR =
+ 3 | HAL_MEMCARD_RESPONSE_R6 | HAL_MEMCARD_COMMAND_TYPE_AC |
+ HAL_MEMCARD_COMMAND_CARD_TYPE_SD | HAL_MEMCARD_COMMAND_NORMAL,
+ CMD4_SET_DSR = 4 | HAL_MEMCARD_RESPONSE_NONE | HAL_MEMCARD_COMMAND_TYPE_BC | HAL_MEMCARD_COMMAND_CARD_TYPE_COMMON | HAL_MEMCARD_COMMAND_NORMAL, /* CMD4 */
+ CMD5_SLEEP_AWAKE = 5 | HAL_MEMCARD_RESPONSE_R1b | HAL_MEMCARD_COMMAND_TYPE_AC | HAL_MEMCARD_COMMAND_CARD_TYPE_MMC | HAL_MEMCARD_COMMAND_NORMAL, /* CMD5 */
+ CMD6_SWITCH = 6 | HAL_MEMCARD_RESPONSE_R1b | HAL_MEMCARD_COMMAND_TYPE_AC | HAL_MEMCARD_COMMAND_CARD_TYPE_MMC | HAL_MEMCARD_COMMAND_NORMAL, /* CMD6 */
+ CMD6_SWITCH_FUNC =
+ 6 | HAL_MEMCARD_RESPONSE_R1 | HAL_MEMCARD_COMMAND_TYPE_AC |
+ HAL_MEMCARD_COMMAND_CARD_TYPE_SD | HAL_MEMCARD_COMMAND_NORMAL,
+ ACMD6_SET_BUS_WIDTH =
+ 6 | HAL_MEMCARD_RESPONSE_R1 | HAL_MEMCARD_COMMAND_TYPE_AC |
+ HAL_MEMCARD_COMMAND_CARD_TYPE_SD | HAL_MEMCARD_COMMAND_APP,
+ CMD7_SELECT_CARD = 7 | HAL_MEMCARD_RESPONSE_R1 | HAL_MEMCARD_COMMAND_TYPE_AC | HAL_MEMCARD_COMMAND_CARD_TYPE_COMMON | HAL_MEMCARD_COMMAND_NORMAL, /* CMD7 */
+ CMD7_SELECT_CARD_PROG = 7 | HAL_MEMCARD_RESPONSE_R1b | HAL_MEMCARD_COMMAND_TYPE_AC | HAL_MEMCARD_COMMAND_CARD_TYPE_COMMON | HAL_MEMCARD_COMMAND_NORMAL, /* CMD7(from Disconnected State to Programming State) */
+ CMD7_DESELECT_CARD =
+ 7 | HAL_MEMCARD_RESPONSE_R1 | HAL_MEMCARD_COMMAND_TYPE_AC |
+ HAL_MEMCARD_COMMAND_CARD_TYPE_COMMON | HAL_MEMCARD_COMMAND_NORMAL,
+ CMD8_SEND_EXT_CSD = 8 | HAL_MEMCARD_RESPONSE_R1 | HAL_MEMCARD_COMMAND_TYPE_ADTC_READ | HAL_MEMCARD_COMMAND_CARD_TYPE_MMC | HAL_MEMCARD_COMMAND_NORMAL, /* CMD8 */
+ CMD8_SEND_IF_COND =
+ 8 | HAL_MEMCARD_RESPONSE_R7 | HAL_MEMCARD_COMMAND_TYPE_BCR |
+ HAL_MEMCARD_COMMAND_CARD_TYPE_SD | HAL_MEMCARD_COMMAND_NORMAL,
+ CMD9_SEND_CSD = 9 | HAL_MEMCARD_RESPONSE_R2 | HAL_MEMCARD_COMMAND_TYPE_AC | HAL_MEMCARD_COMMAND_CARD_TYPE_COMMON | HAL_MEMCARD_COMMAND_NORMAL, /* CMD9 */
+ CMD10_SEND_CID = 10 | HAL_MEMCARD_RESPONSE_R2 | HAL_MEMCARD_COMMAND_TYPE_AC | HAL_MEMCARD_COMMAND_CARD_TYPE_COMMON | HAL_MEMCARD_COMMAND_NORMAL, /* CMD10 */
+ CMD11_READ_DAT_UNTIL_STOP = 11 | HAL_MEMCARD_RESPONSE_R1 | HAL_MEMCARD_COMMAND_TYPE_ADTC_READ | HAL_MEMCARD_COMMAND_CARD_TYPE_SD | HAL_MEMCARD_COMMAND_NORMAL, /* CMD11 */
+ CMD12_STOP_TRANSMISSION = 12 | HAL_MEMCARD_RESPONSE_R1 | HAL_MEMCARD_COMMAND_TYPE_AC | HAL_MEMCARD_COMMAND_CARD_TYPE_COMMON | HAL_MEMCARD_COMMAND_NORMAL, /* CMD12 */
+ CMD12_STOP_TRANSMISSION_WRITE = 12 | HAL_MEMCARD_RESPONSE_R1b | HAL_MEMCARD_COMMAND_TYPE_AC | HAL_MEMCARD_COMMAND_CARD_TYPE_COMMON | HAL_MEMCARD_COMMAND_NORMAL, /* CMD12(R1b : write case) */
+ CMD13_SEND_STATUS = 13 | HAL_MEMCARD_RESPONSE_R1 | HAL_MEMCARD_COMMAND_TYPE_AC | HAL_MEMCARD_COMMAND_CARD_TYPE_COMMON | HAL_MEMCARD_COMMAND_NORMAL, /* CMD13 */
+ ACMD13_SD_STATUS =
+ 13 | HAL_MEMCARD_RESPONSE_R1 | HAL_MEMCARD_COMMAND_TYPE_ADTC_READ |
+ HAL_MEMCARD_COMMAND_CARD_TYPE_SD | HAL_MEMCARD_COMMAND_APP,
+ CMD14_BUSTEST_R = 14 | HAL_MEMCARD_RESPONSE_R1 | HAL_MEMCARD_COMMAND_TYPE_ADTC_READ | HAL_MEMCARD_COMMAND_CARD_TYPE_MMC | HAL_MEMCARD_COMMAND_NORMAL, /* CMD14 */
+ CMD15_GO_INACTIVE_STATE = 15 | HAL_MEMCARD_RESPONSE_NONE | HAL_MEMCARD_COMMAND_TYPE_AC | HAL_MEMCARD_COMMAND_CARD_TYPE_COMMON | HAL_MEMCARD_COMMAND_NORMAL, /* CMD15 */
+
+/* class 2 */
+ CMD16_SET_BLOCKLEN = 16 | HAL_MEMCARD_RESPONSE_R1 | HAL_MEMCARD_COMMAND_TYPE_AC | HAL_MEMCARD_COMMAND_CARD_TYPE_COMMON | HAL_MEMCARD_COMMAND_NORMAL, /* CMD16 */
+ CMD17_READ_SINGLE_BLOCK = 17 | HAL_MEMCARD_RESPONSE_R1 | HAL_MEMCARD_COMMAND_TYPE_ADTC_READ | HAL_MEMCARD_COMMAND_CARD_TYPE_COMMON | HAL_MEMCARD_COMMAND_NORMAL, /* CMD17 */
+ CMD18_READ_MULTIPLE_BLOCK = 18 | HAL_MEMCARD_RESPONSE_R1 | HAL_MEMCARD_COMMAND_TYPE_ADTC_READ | HAL_MEMCARD_COMMAND_CARD_TYPE_COMMON | HAL_MEMCARD_COMMAND_NORMAL, /* CMD18 */
+ CMD19_BUS_TEST_W = 19 | HAL_MEMCARD_RESPONSE_R1 | HAL_MEMCARD_COMMAND_TYPE_ADTC_WRITE | HAL_MEMCARD_COMMAND_CARD_TYPE_MMC | HAL_MEMCARD_COMMAND_NORMAL, /* CMD19 */
+
+/* class 3 */
+ CMD20_WRITE_DAT_UNTIL_STOP = 20 | HAL_MEMCARD_RESPONSE_R1 | HAL_MEMCARD_COMMAND_TYPE_ADTC_WRITE | HAL_MEMCARD_COMMAND_CARD_TYPE_MMC | HAL_MEMCARD_COMMAND_NORMAL, /* CMD20 */
+ CMD21 = 21, /* CMD21 */
+ CMD22 = 22, /* CMD22 */
+ ACMD22_SEND_NUM_WR_BLOCKS =
+ 22 | HAL_MEMCARD_RESPONSE_R1 | HAL_MEMCARD_COMMAND_TYPE_AC |
+ HAL_MEMCARD_COMMAND_CARD_TYPE_SD | HAL_MEMCARD_COMMAND_APP,
+
+/* class 4 */
+ CMD23_SET_BLOCK_COUNT = 23 | HAL_MEMCARD_RESPONSE_R1 | HAL_MEMCARD_COMMAND_TYPE_AC | HAL_MEMCARD_COMMAND_CARD_TYPE_MMC | HAL_MEMCARD_COMMAND_NORMAL, /* CMD23 */
+ ACMD23_SET_WR_BLK_ERASE_COUNT =
+ 23 | HAL_MEMCARD_RESPONSE_R1 | HAL_MEMCARD_COMMAND_TYPE_AC |
+ HAL_MEMCARD_COMMAND_CARD_TYPE_SD | HAL_MEMCARD_COMMAND_APP,
+ CMD24_WRITE_BLOCK = 24 | HAL_MEMCARD_RESPONSE_R1 | HAL_MEMCARD_COMMAND_TYPE_ADTC_WRITE | HAL_MEMCARD_COMMAND_CARD_TYPE_COMMON | HAL_MEMCARD_COMMAND_NORMAL, /* CMD24 */
+ CMD25_WRITE_MULTIPLE_BLOCK = 25 | HAL_MEMCARD_RESPONSE_R1 | HAL_MEMCARD_COMMAND_TYPE_ADTC_WRITE | HAL_MEMCARD_COMMAND_CARD_TYPE_COMMON | HAL_MEMCARD_COMMAND_NORMAL, /* CMD25 */
+ CMD26_PROGRAM_CID = 26 | HAL_MEMCARD_RESPONSE_R1 | HAL_MEMCARD_COMMAND_TYPE_ADTC_WRITE | HAL_MEMCARD_COMMAND_CARD_TYPE_MMC | HAL_MEMCARD_COMMAND_NORMAL, /* CMD26 */
+ CMD27_PROGRAM_CSD = 27 | HAL_MEMCARD_RESPONSE_R1 | HAL_MEMCARD_COMMAND_TYPE_ADTC_WRITE | HAL_MEMCARD_COMMAND_CARD_TYPE_COMMON | HAL_MEMCARD_COMMAND_NORMAL, /* CMD27 */
+
+/* class 6 */
+ CMD28_SET_WRITE_PROT = 28 | HAL_MEMCARD_RESPONSE_R1b | HAL_MEMCARD_COMMAND_TYPE_AC | HAL_MEMCARD_COMMAND_CARD_TYPE_COMMON | HAL_MEMCARD_COMMAND_NORMAL, /* CMD28 */
+ CMD29_CLR_WRITE_PROT = 29 | HAL_MEMCARD_RESPONSE_R1b | HAL_MEMCARD_COMMAND_TYPE_AC | HAL_MEMCARD_COMMAND_CARD_TYPE_COMMON | HAL_MEMCARD_COMMAND_NORMAL, /* CMD29 */
+ CMD30_SEND_WRITE_PROT = 30 | HAL_MEMCARD_RESPONSE_R1 | HAL_MEMCARD_COMMAND_TYPE_ADTC_READ | HAL_MEMCARD_COMMAND_CARD_TYPE_COMMON | HAL_MEMCARD_COMMAND_NORMAL, /* CMD30 */
+ CMD30_SEND_WRITE_PROT_TYPE = 31 | HAL_MEMCARD_RESPONSE_R1 | HAL_MEMCARD_COMMAND_TYPE_ADTC_READ | HAL_MEMCARD_COMMAND_CARD_TYPE_COMMON | HAL_MEMCARD_COMMAND_NORMAL, /* CMD31 */
+
+/* class 5 */
+ CMD32_ERASE_WR_BLK_START = 32 | HAL_MEMCARD_RESPONSE_R1 | HAL_MEMCARD_COMMAND_TYPE_AC | HAL_MEMCARD_COMMAND_CARD_TYPE_SD | HAL_MEMCARD_COMMAND_NORMAL, /* CMD32 */
+ CMD33_ERASE_WR_BLK_END = 33 | HAL_MEMCARD_RESPONSE_R1 | HAL_MEMCARD_COMMAND_TYPE_AC | HAL_MEMCARD_COMMAND_CARD_TYPE_SD | HAL_MEMCARD_COMMAND_NORMAL, /* CMD33 */
+ CMD34 = 34, /* CMD34 */
+ CMD35_ERASE_GROUP_START = 35 | HAL_MEMCARD_RESPONSE_R1 | HAL_MEMCARD_COMMAND_TYPE_AC | HAL_MEMCARD_COMMAND_CARD_TYPE_MMC | HAL_MEMCARD_COMMAND_NORMAL, /* CMD35 */
+ CMD36_ERASE_GROUP_END = 36 | HAL_MEMCARD_RESPONSE_R1 | HAL_MEMCARD_COMMAND_TYPE_AC | HAL_MEMCARD_COMMAND_CARD_TYPE_MMC | HAL_MEMCARD_COMMAND_NORMAL, /* CMD36 */
+ CMD37 = 37, /* CMD37 */
+ CMD38_ERASE = 38 | HAL_MEMCARD_RESPONSE_R1b | HAL_MEMCARD_COMMAND_TYPE_AC | HAL_MEMCARD_COMMAND_CARD_TYPE_COMMON | HAL_MEMCARD_COMMAND_NORMAL, /* CMD38 */
+
+/* class 9 */
+ CMD39_FASTIO = 39 | HAL_MEMCARD_RESPONSE_R4 | HAL_MEMCARD_COMMAND_TYPE_AC | HAL_MEMCARD_COMMAND_CARD_TYPE_MMC | HAL_MEMCARD_COMMAND_NORMAL, /* CMD39 */
+ CMD40_GO_IRQSTATE = 40 | HAL_MEMCARD_RESPONSE_R5 | HAL_MEMCARD_COMMAND_TYPE_BCR | HAL_MEMCARD_COMMAND_CARD_TYPE_MMC | HAL_MEMCARD_COMMAND_NORMAL, /* CMD40 */
+ CMD41 = 41, /* CMD41 */
+ ACMD41_SD_SEND_OP_COND =
+ 41 | HAL_MEMCARD_RESPONSE_R3 | HAL_MEMCARD_COMMAND_TYPE_BCR |
+ HAL_MEMCARD_COMMAND_CARD_TYPE_SD | HAL_MEMCARD_COMMAND_APP,
+
+/* class 7 */
+ CMD42_LOCK_UNLOCK = 42 | HAL_MEMCARD_RESPONSE_R1 | HAL_MEMCARD_COMMAND_TYPE_ADTC_WRITE | HAL_MEMCARD_COMMAND_CARD_TYPE_COMMON | HAL_MEMCARD_COMMAND_NORMAL, /* CMD42 */
+ ACMD42_SET_CLR_CARD_DETECT =
+ 42 | HAL_MEMCARD_RESPONSE_R1 | HAL_MEMCARD_COMMAND_TYPE_AC |
+ HAL_MEMCARD_COMMAND_CARD_TYPE_SD | HAL_MEMCARD_COMMAND_APP,
+ CMD43 = 43, /* CMD43 */
+ CMD44 = 44, /* CMD44 */
+ CMD45 = 45, /* CMD45 */
+ CMD46 = 46, /* CMD46 */
+ CMD47 = 47, /* CMD47 */
+ CMD48 = 48, /* CMD48 */
+ CMD49 = 49, /* CMD49 */
+ CMD50 = 50, /* CMD50 */
+ CMD51 = 51, /* CMD51 */
+ ACMD51_SEND_SCR =
+ 51 | HAL_MEMCARD_RESPONSE_R1 | HAL_MEMCARD_COMMAND_TYPE_ADTC_READ |
+ HAL_MEMCARD_COMMAND_CARD_TYPE_SD | HAL_MEMCARD_COMMAND_APP,
+ CMD52 = 52, /* CMD52 */
+ CMD53 = 53, /* CMD53 */
+ CMD54 = 54, /* CMD54 */
+
+/* class 8 */
+ CMD55_APP_CMD = 55 | HAL_MEMCARD_RESPONSE_R1 | HAL_MEMCARD_COMMAND_TYPE_AC | HAL_MEMCARD_COMMAND_CARD_TYPE_COMMON | HAL_MEMCARD_COMMAND_NORMAL, /* CMD55 */
+ CMD56_GEN_CMD = 56 | HAL_MEMCARD_RESPONSE_R1 | HAL_MEMCARD_COMMAND_TYPE_ADTC_WRITE | HAL_MEMCARD_COMMAND_CARD_TYPE_COMMON | HAL_MEMCARD_COMMAND_NORMAL, /* CMD56 */
+ CMD57 = 57, /* CMD57 */
+ CMD58 = 58, /* CMD58 */
+ CMD59 = 59, /* CMD59 */
+ CMD60 = 60, /* CMD60 */
+ CMD61 = 61, /* CMD61 */
+ CMD62 = 62, /* CMD62 */
+ CMD63 = 63 /* CMD63 */
+} HAL_MEMCARD_COMMAND;
+
+/** @brief Configuration structure from HAL layer.
+ *
+ * If some field is not available it should be filled with 0xFF.
+ * The API version is 32-bit unsigned integer telling the version of the API. The integer is divided to four sections which each can be treated as a 8-bit unsigned number:
+ * Bits 31-24 make the most significant part of the version number. This number starts from 1 i.e. the second version of the API will be 0x02xxxxxx. This number changes only, if the API itself changes so much that it is not compatible anymore with older releases.
+ * Bits 23-16 API minor version number. For example API version 2.1 would be 0x0201xxxx.
+ * Bits 15-8 are the number of the year when release is done. The 0 is year 2000, 1 is year 2001 and so on
+ * Bits 7- are the week number when release is done. First full week of the year is 1
+ *
+ * @note Example: let's assume that release 2.1 is done on week 10 year 2008 the version will get the value 0x0201080A
+ */
+typedef struct {
+ /**
+ * Version of the chipset API implementation
+ *
+ * bits [31:24] API specification major version number.<br>
+ * bits [23:16] API specification minor version number.<br>
+ * bits [15:8] API implemention year. (2000 = 0, 2001 = 1, ...)<br>
+ * bits [7:0] API implemention week.<br>
+ * Example: API specification version 4.0, implementation w46 2008 => 0x0400082E
+ */
+ uint32_t api_version;
+
+ /** maximum block count which can be transferred at once */
+ uint32_t max_block_count;
+
+ /** maximum clock frequence in Hz supported by HW */
+ uint32_t max_clock_freq;
+
+ /** maximum data bus width supported by HW */
+ uint16_t max_data_width;
+
+ /** Is high-speed mode supported by HW (yes=1, no=0) */
+ uint8_t hs_mode_supported;
+
+ /** Is memory card removable (yes=1, no=0) */
+ uint8_t card_removable;
+
+} HAL_MEMCARD_HW_CONF;
+
+/** @brief Configuration structure to HAL layer.
+ */
+typedef struct {
+ /** how many times to try after fail, for instance sending command */
+ uint32_t retries_after_fail;
+} HAL_MEMCARD_INIT_CONF;
+
+/* ********************** DECLARATION OF EXTERNAL DATA ********************* */
+
+/* ************************** FUNCTION PROTOTYPES ************************** */
+
+/* ********************************* CODE ********************************** */
+
+#endif /* __EMMC_HAL_H__ */
+
+/* ******************************** END ************************************ */
diff --git a/drivers/renesas/rcar/emmc/emmc_init.c b/drivers/renesas/rcar/emmc/emmc_init.c
new file mode 100644
index 0000000000..386fb1e4ec
--- /dev/null
+++ b/drivers/renesas/rcar/emmc/emmc_init.c
@@ -0,0 +1,163 @@
+/*
+ * Copyright (c) 2015-2018, Renesas Electronics Corporation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <stddef.h>
+#include <mmio.h>
+#include "emmc_config.h"
+#include "emmc_hal.h"
+#include "emmc_std.h"
+#include "emmc_registers.h"
+#include "emmc_def.h"
+#include "rcar_private.h"
+
+st_mmc_base mmc_drv_obj;
+
+EMMC_ERROR_CODE rcar_emmc_memcard_power(uint8_t mode)
+{
+
+ if (mode == TRUE) {
+ /* power on (Vcc&Vccq is always power on) */
+ mmc_drv_obj.card_power_enable = TRUE;
+ } else {
+ /* power off (Vcc&Vccq is always power on) */
+ mmc_drv_obj.card_power_enable = FALSE;
+ mmc_drv_obj.mount = FALSE;
+ mmc_drv_obj.selected = FALSE;
+ }
+
+ return EMMC_SUCCESS;
+}
+static __inline void emmc_set_retry_count(uint32_t retry)
+{
+ mmc_drv_obj.retries_after_fail = retry;
+}
+
+static __inline void emmc_set_data_timeout(uint32_t data_timeout)
+{
+ mmc_drv_obj.data_timeout = data_timeout;
+}
+
+static void emmc_memset(uint8_t *buff, uint8_t data, uint32_t cnt)
+{
+ if (buff == NULL) {
+ return;
+ }
+
+ while (cnt > 0) {
+ *buff++ = data;
+ cnt--;
+ }
+}
+
+static void emmc_driver_config(void)
+{
+ emmc_set_retry_count(EMMC_RETRY_COUNT);
+ emmc_set_data_timeout(EMMC_RW_DATA_TIMEOUT);
+}
+
+static void emmc_drv_init(void)
+{
+ emmc_memset((uint8_t *) (&mmc_drv_obj), 0, sizeof(st_mmc_base));
+ mmc_drv_obj.card_present = HAL_MEMCARD_CARD_IS_IN;
+ mmc_drv_obj.data_timeout = EMMC_RW_DATA_TIMEOUT;
+ mmc_drv_obj.bus_width = HAL_MEMCARD_DATA_WIDTH_1_BIT;
+}
+
+static EMMC_ERROR_CODE emmc_dev_finalize(void)
+{
+ EMMC_ERROR_CODE result;
+ uint32_t dataL;
+
+ /* MMC power off
+ * the power supply of eMMC device is always turning on.
+ * RST_n : Hi --> Low level.
+ */
+ result = rcar_emmc_memcard_power(FALSE);
+
+ /* host controller reset */
+ SETR_32(SD_INFO1, 0x00000000U); /* all interrupt clear */
+ SETR_32(SD_INFO2, SD_INFO2_CLEAR); /* all interrupt clear */
+ SETR_32(SD_INFO1_MASK, 0x00000000U); /* all interrupt disable */
+ SETR_32(SD_INFO2_MASK, SD_INFO2_CLEAR); /* all interrupt disable */
+ SETR_32(SD_CLK_CTRL, 0x00000000U); /* MMC clock stop */
+
+ dataL = mmio_read_32(CPG_SMSTPCR3);
+ if ((dataL & CPG_MSTP_MMC) == 0U) {
+ dataL |= (CPG_MSTP_MMC);
+ mmio_write_32(CPG_CPGWPR, (~dataL));
+ mmio_write_32(CPG_SMSTPCR3, dataL);
+ }
+
+ return result;
+}
+
+static EMMC_ERROR_CODE emmc_dev_init(void)
+{
+ /* Enable clock supply to eMMC. */
+ mstpcr_write(CPG_SMSTPCR3, CPG_MSTPSR3, CPG_MSTP_MMC);
+
+ /* Set SD clock */
+ mmio_write_32(CPG_CPGWPR, ~((uint32_t) (BIT9 | BIT0))); /* SD phy 200MHz */
+
+ /* Stop SDnH clock & SDn=200MHz */
+ mmio_write_32(CPG_SDxCKCR, (BIT9 | BIT0));
+
+ /* MMCIF initialize */
+ SETR_32(SD_INFO1, 0x00000000U); /* all interrupt clear */
+ SETR_32(SD_INFO2, SD_INFO2_CLEAR); /* all interrupt clear */
+ SETR_32(SD_INFO1_MASK, 0x00000000U); /* all interrupt disable */
+ SETR_32(SD_INFO2_MASK, SD_INFO2_CLEAR); /* all interrupt disable */
+
+ SETR_32(HOST_MODE, 0x00000000U); /* SD_BUF access width = 64-bit */
+ SETR_32(SD_OPTION, 0x0000C0EEU); /* Bus width = 1bit, timeout=MAX */
+ SETR_32(SD_CLK_CTRL, 0x00000000U); /* Automatic Control=Disable, Clock Output=Disable */
+
+ return EMMC_SUCCESS;
+}
+
+static EMMC_ERROR_CODE emmc_reset_controller(void)
+{
+ EMMC_ERROR_CODE retult;
+
+ /* initialize mmc driver */
+ emmc_drv_init();
+
+ /* initialize H/W */
+ retult = emmc_dev_init();
+ if (EMMC_SUCCESS != retult) {
+ return retult;
+ }
+
+ mmc_drv_obj.initialize = TRUE;
+
+ return retult;
+
+}
+
+EMMC_ERROR_CODE emmc_terminate(void)
+{
+ EMMC_ERROR_CODE result;
+
+ result = emmc_dev_finalize();
+
+ emmc_memset((uint8_t *) (&mmc_drv_obj), 0, sizeof(st_mmc_base));
+
+ return result;
+}
+
+EMMC_ERROR_CODE rcar_emmc_init(void)
+{
+ EMMC_ERROR_CODE retult;
+
+ retult = emmc_reset_controller();
+ if (EMMC_SUCCESS != retult) {
+ return retult;
+ }
+
+ emmc_driver_config();
+
+ return EMMC_SUCCESS;
+}
diff --git a/drivers/renesas/rcar/emmc/emmc_interrupt.c b/drivers/renesas/rcar/emmc/emmc_interrupt.c
new file mode 100644
index 0000000000..3077db4c03
--- /dev/null
+++ b/drivers/renesas/rcar/emmc/emmc_interrupt.c
@@ -0,0 +1,217 @@
+/*
+ * Copyright (c) 2015-2018, Renesas Electronics Corporation. All rights
+ * reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+
+#include "emmc_config.h"
+#include "emmc_def.h"
+#include "emmc_hal.h"
+#include "emmc_registers.h"
+#include "emmc_std.h"
+#include "rcar_def.h"
+
+#include <mmio.h>
+#include <stddef.h>
+
+static EMMC_ERROR_CODE emmc_trans_sector(uint32_t *buff_address_virtual);
+
+uint32_t emmc_interrupt(void)
+{
+ EMMC_ERROR_CODE result;
+ uint32_t prr_data;
+ uint32_t cut_ver;
+ uint32_t end_bit;
+
+ prr_data = mmio_read_32((uintptr_t) RCAR_PRR);
+ cut_ver = prr_data & RCAR_CUT_MASK;
+ if ((prr_data & RCAR_PRODUCT_MASK) == RCAR_PRODUCT_H3) {
+ if (cut_ver == RCAR_CUT_VER10) {
+ end_bit = BIT17;
+ } else if (cut_ver == RCAR_CUT_VER11) {
+ end_bit = BIT17;
+ } else {
+ end_bit = BIT20;
+ }
+ } else if ((prr_data & RCAR_PRODUCT_MASK) == RCAR_PRODUCT_M3) {
+ if (cut_ver == RCAR_CUT_VER10) {
+ end_bit = BIT17;
+ } else {
+ end_bit = BIT20;
+ }
+ } else {
+ end_bit = BIT20;
+ }
+
+ /* SD_INFO */
+ mmc_drv_obj.error_info.info1 = GETR_32(SD_INFO1);
+ mmc_drv_obj.error_info.info2 = GETR_32(SD_INFO2);
+
+ /* SD_INFO EVENT */
+ mmc_drv_obj.int_event1 =
+ mmc_drv_obj.error_info.info1 & GETR_32(SD_INFO1_MASK);
+ mmc_drv_obj.int_event2 =
+ mmc_drv_obj.error_info.info2 & GETR_32(SD_INFO2_MASK);
+
+ /* ERR_STS */
+ mmc_drv_obj.error_info.status1 = GETR_32(SD_ERR_STS1);
+ mmc_drv_obj.error_info.status2 = GETR_32(SD_ERR_STS2);
+
+ /* DM_CM_INFO */
+ mmc_drv_obj.error_info.dm_info1 = GETR_32(DM_CM_INFO1);
+ mmc_drv_obj.error_info.dm_info2 = GETR_32(DM_CM_INFO2);
+
+ /* DM_CM_INFO EVENT */
+ mmc_drv_obj.dm_event1 =
+ mmc_drv_obj.error_info.dm_info1 & GETR_32(DM_CM_INFO1_MASK);
+ mmc_drv_obj.dm_event2 =
+ mmc_drv_obj.error_info.dm_info2 & GETR_32(DM_CM_INFO2_MASK);
+
+ /* ERR SD_INFO2 */
+ if ((SD_INFO2_ALL_ERR & mmc_drv_obj.int_event2) != 0) {
+ SETR_32(SD_INFO1_MASK, 0x00000000U); /* interrupt disable */
+ SETR_32(SD_INFO2_MASK, SD_INFO2_CLEAR); /* interrupt disable */
+ SETR_32(SD_INFO1, 0x00000000U); /* interrupt clear */
+ SETR_32(SD_INFO2, SD_INFO2_CLEAR); /* interrupt clear */
+ mmc_drv_obj.state_machine_blocking = FALSE;
+ }
+
+ /* PIO Transfer */
+ /* BWE/BRE */
+ else if (((SD_INFO2_BWE | SD_INFO2_BRE) & mmc_drv_obj.int_event2)) {
+ /* BWE */
+ if (SD_INFO2_BWE & mmc_drv_obj.int_event2) {
+ SETR_32(SD_INFO2, (GETR_32(SD_INFO2) & ~SD_INFO2_BWE));
+ }
+ /* BRE */
+ else {
+ SETR_32(SD_INFO2, (GETR_32(SD_INFO2) & ~SD_INFO2_BRE));
+ }
+
+ result = emmc_trans_sector(mmc_drv_obj.buff_address_virtual);
+ mmc_drv_obj.buff_address_virtual += EMMC_BLOCK_LENGTH;
+ mmc_drv_obj.remain_size -= EMMC_BLOCK_LENGTH;
+
+ if (result != EMMC_SUCCESS) {
+ /* data transfer error */
+ emmc_write_error_info(EMMC_FUNCNO_NONE, result);
+
+ /* Panic */
+ SETR_32(SD_INFO1_MASK, 0x00000000U);
+ SETR_32(SD_INFO2_MASK, SD_INFO2_CLEAR);
+ SETR_32(SD_INFO1, 0x00000000U);
+ /* interrupt clear */
+ SETR_32(SD_INFO2, SD_INFO2_CLEAR);
+ mmc_drv_obj.force_terminate = TRUE;
+ } else {
+ mmc_drv_obj.during_transfer = FALSE;
+ }
+ mmc_drv_obj.state_machine_blocking = FALSE;
+ }
+
+ /* DMA_TRANSFER */
+ /* DM_CM_INFO1: DMA-ch0 transfer complete or error occurred */
+ else if ((BIT16 & mmc_drv_obj.dm_event1) != 0) {
+ SETR_32(DM_CM_INFO1, 0x00000000U);
+ SETR_32(DM_CM_INFO2, 0x00000000U);
+ /* interrupt clear */
+ SETR_32(SD_INFO2, (GETR_32(SD_INFO2) & ~SD_INFO2_BWE));
+ /* DM_CM_INFO2: DMA-ch0 error occured */
+ if ((BIT16 & mmc_drv_obj.dm_event2) != 0) {
+ mmc_drv_obj.dma_error_flag = TRUE;
+ } else {
+ mmc_drv_obj.during_dma_transfer = FALSE;
+ mmc_drv_obj.during_transfer = FALSE;
+ }
+ /* wait next interrupt */
+ mmc_drv_obj.state_machine_blocking = FALSE;
+ }
+ /* DM_CM_INFO1: DMA-ch1 transfer complete or error occured */
+ else if ((end_bit & mmc_drv_obj.dm_event1) != 0U) {
+ SETR_32(DM_CM_INFO1, 0x00000000U);
+ SETR_32(DM_CM_INFO2, 0x00000000U);
+ /* interrupt clear */
+ SETR_32(SD_INFO2, (GETR_32(SD_INFO2) & ~SD_INFO2_BRE));
+ /* DM_CM_INFO2: DMA-ch1 error occured */
+ if ((BIT17 & mmc_drv_obj.dm_event2) != 0) {
+ mmc_drv_obj.dma_error_flag = TRUE;
+ } else {
+ mmc_drv_obj.during_dma_transfer = FALSE;
+ mmc_drv_obj.during_transfer = FALSE;
+ }
+ /* wait next interrupt */
+ mmc_drv_obj.state_machine_blocking = FALSE;
+ }
+
+ /* Response end */
+ else if ((SD_INFO1_INFO0 & mmc_drv_obj.int_event1) != 0) {
+ /* interrupt clear */
+ SETR_32(SD_INFO1, (GETR_32(SD_INFO1) & ~SD_INFO1_INFO0));
+ mmc_drv_obj.state_machine_blocking = FALSE;
+ }
+ /* Access end */
+ else if ((SD_INFO1_INFO2 & mmc_drv_obj.int_event1) != 0) {
+ /* interrupt clear */
+ SETR_32(SD_INFO1, (GETR_32(SD_INFO1) & ~SD_INFO1_INFO2));
+ mmc_drv_obj.state_machine_blocking = FALSE;
+ } else {
+ /* nothing to do. */
+ }
+
+ return (uint32_t) 0;
+}
+
+static EMMC_ERROR_CODE emmc_trans_sector(uint32_t *buff_address_virtual)
+{
+ uint32_t length, i;
+ uint64_t *bufPtrLL;
+
+ if (buff_address_virtual == NULL) {
+ return EMMC_ERR_PARAM;
+ }
+
+ if ((mmc_drv_obj.during_transfer != TRUE)
+ || (mmc_drv_obj.remain_size == 0)) {
+ return EMMC_ERR_STATE;
+ }
+
+ bufPtrLL = (uint64_t *) buff_address_virtual;
+ length = mmc_drv_obj.remain_size;
+
+ /* data transefer */
+ for (i = 0; i < (length >> 3); i++) {
+ /* Write */
+ if (mmc_drv_obj.cmd_info.dir == HAL_MEMCARD_WRITE) {
+ SETR_64(SD_BUF0, *bufPtrLL); /* buffer --> FIFO */
+ }
+ /* Read */
+ else {
+ /* Checks when the read data reaches SD_SIZE. */
+ /* The BRE bit is cleared at emmc_interrupt function. */
+ if (((i %
+ (uint32_t) (EMMC_BLOCK_LENGTH >>
+ EMMC_BUF_SIZE_SHIFT)) == 0U)
+ && (i != 0U)) {
+ /* BRE check */
+ while (((GETR_32(SD_INFO2)) & SD_INFO2_BRE) ==
+ 0U) {
+ /* ERROR check */
+ if (((GETR_32(SD_INFO2)) &
+ SD_INFO2_ALL_ERR) != 0U) {
+ return EMMC_ERR_TRANSFER;
+ }
+ }
+ /* BRE clear */
+ SETR_32(SD_INFO2,
+ (uint32_t) (GETR_32(SD_INFO2) &
+ ~SD_INFO2_BRE));
+ }
+ *bufPtrLL = GETR_64(SD_BUF0); /* FIFO --> buffer */
+ }
+ bufPtrLL++;
+ }
+
+ return EMMC_SUCCESS;
+}
diff --git a/drivers/renesas/rcar/emmc/emmc_mount.c b/drivers/renesas/rcar/emmc/emmc_mount.c
new file mode 100644
index 0000000000..9a7d2cad63
--- /dev/null
+++ b/drivers/renesas/rcar/emmc/emmc_mount.c
@@ -0,0 +1,680 @@
+/*
+ * Copyright (c) 2015-2017, Renesas Electronics Corporation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <debug.h>
+#include <mmio.h>
+#include "emmc_config.h"
+#include "emmc_hal.h"
+#include "emmc_std.h"
+#include "emmc_registers.h"
+#include "emmc_def.h"
+#include "micro_delay.h"
+#include "rcar_def.h"
+
+static EMMC_ERROR_CODE emmc_clock_ctrl(uint8_t mode);
+static EMMC_ERROR_CODE emmc_card_init(void);
+static EMMC_ERROR_CODE emmc_high_speed(void);
+static EMMC_ERROR_CODE emmc_bus_width(uint32_t width);
+static uint32_t emmc_set_timeout_register_value(uint32_t freq);
+static void set_sd_clk(uint32_t clkDiv);
+static uint32_t emmc_calc_tran_speed(uint32_t *freq);
+static void emmc_get_partition_access(void);
+static void emmc_set_bootpartition(void);
+
+static void emmc_set_bootpartition(void)
+{
+ uint32_t reg;
+
+ reg = mmio_read_32(RCAR_PRR) & (RCAR_PRODUCT_MASK | RCAR_CUT_MASK);
+ if (reg == RCAR_PRODUCT_M3_CUT10) {
+ mmc_drv_obj.boot_partition_en =
+ (EMMC_PARTITION_ID) ((mmc_drv_obj.ext_csd_data[179] &
+ EMMC_BOOT_PARTITION_EN_MASK) >>
+ EMMC_BOOT_PARTITION_EN_SHIFT);
+ } else if ((reg == RCAR_PRODUCT_H3_CUT20)
+ || (reg == RCAR_PRODUCT_M3_CUT11)) {
+ mmc_drv_obj.boot_partition_en = mmc_drv_obj.partition_access;
+ } else {
+ if ((mmio_read_32(MFISBTSTSR) & MFISBTSTSR_BOOT_PARTITION) !=
+ 0U) {
+ mmc_drv_obj.boot_partition_en = PARTITION_ID_BOOT_2;
+ } else {
+ mmc_drv_obj.boot_partition_en = PARTITION_ID_BOOT_1;
+ }
+ }
+}
+
+static EMMC_ERROR_CODE emmc_card_init(void)
+{
+ int32_t retry;
+ uint32_t freq = MMC_400KHZ; /* 390KHz */
+ EMMC_ERROR_CODE result;
+ uint32_t resultCalc;
+
+ /* state check */
+ if ((mmc_drv_obj.initialize != TRUE)
+ || (mmc_drv_obj.card_power_enable != TRUE)
+ || ((GETR_32(SD_INFO2) & SD_INFO2_CBSY) != 0)
+ ) {
+ emmc_write_error_info(EMMC_FUNCNO_CARD_INIT, EMMC_ERR_STATE);
+ return EMMC_ERR_STATE;
+ }
+
+ /* clock on (force change) */
+ mmc_drv_obj.current_freq = 0;
+ mmc_drv_obj.max_freq = MMC_20MHZ;
+ result = emmc_set_request_mmc_clock(&freq);
+ if (result != EMMC_SUCCESS) {
+ emmc_write_error_info_func_no(EMMC_FUNCNO_CARD_INIT);
+ return EMMC_ERR;
+ }
+
+ rcar_micro_delay(1000U); /* wait 1ms */
+
+ /* Get current access partition */
+ emmc_get_partition_access();
+
+ /* CMD0, arg=0x00000000 */
+ result = emmc_send_idle_cmd(0x00000000);
+ if (result != EMMC_SUCCESS) {
+ emmc_write_error_info_func_no(EMMC_FUNCNO_CARD_INIT);
+ return result;
+ }
+
+ rcar_micro_delay(200U); /* wait 74clock 390kHz(189.74us) */
+
+ /* CMD1 */
+ emmc_make_nontrans_cmd(CMD1_SEND_OP_COND, EMMC_HOST_OCR_VALUE);
+ for (retry = 300; retry > 0; retry--) {
+ result =
+ emmc_exec_cmd(EMMC_R1_ERROR_MASK, mmc_drv_obj.response);
+ if (result != EMMC_SUCCESS) {
+ emmc_write_error_info_func_no(EMMC_FUNCNO_CARD_INIT);
+ return result;
+ }
+
+ if ((mmc_drv_obj.r3_ocr & EMMC_OCR_STATUS_BIT) != 0) {
+ break; /* card is ready. exit loop */
+ }
+ rcar_micro_delay(1000U); /* wait 1ms */
+ }
+
+ if (retry == 0) {
+ emmc_write_error_info(EMMC_FUNCNO_CARD_INIT, EMMC_ERR_TIMEOUT);
+ return EMMC_ERR_TIMEOUT;
+ }
+
+ switch (mmc_drv_obj.r3_ocr & EMMC_OCR_ACCESS_MODE_MASK) {
+ case EMMC_OCR_ACCESS_MODE_SECT:
+ mmc_drv_obj.access_mode = TRUE; /* sector mode */
+ break;
+ default:
+ /* unknown value */
+ emmc_write_error_info(EMMC_FUNCNO_CARD_INIT, EMMC_ERR);
+ return EMMC_ERR;
+ }
+
+ /* CMD2 */
+ emmc_make_nontrans_cmd(CMD2_ALL_SEND_CID_MMC, 0x00000000);
+ mmc_drv_obj.response = (uint32_t *) (&mmc_drv_obj.cid_data[0]); /* use CID special buffer */
+ result = emmc_exec_cmd(EMMC_R1_ERROR_MASK, mmc_drv_obj.response);
+ if (result != EMMC_SUCCESS) {
+ emmc_write_error_info_func_no(EMMC_FUNCNO_CARD_INIT);
+ return result;
+ }
+
+ /* CMD3 */
+ emmc_make_nontrans_cmd(CMD3_SET_RELATIVE_ADDR, EMMC_RCA << 16);
+ result = emmc_exec_cmd(EMMC_R1_ERROR_MASK, mmc_drv_obj.response);
+ if (result != EMMC_SUCCESS) {
+ emmc_write_error_info_func_no(EMMC_FUNCNO_CARD_INIT);
+ return result;
+ }
+
+ /* CMD9 (CSD) */
+ emmc_make_nontrans_cmd(CMD9_SEND_CSD, EMMC_RCA << 16);
+ mmc_drv_obj.response = (uint32_t *) (&mmc_drv_obj.csd_data[0]); /* use CSD special buffer */
+ result = emmc_exec_cmd(EMMC_R1_ERROR_MASK, mmc_drv_obj.response);
+ if (result != EMMC_SUCCESS) {
+ emmc_write_error_info_func_no(EMMC_FUNCNO_CARD_INIT);
+ return result;
+ }
+
+ /* card version check */
+ if (EMMC_CSD_SPEC_VARS() < 4) {
+ emmc_write_error_info(EMMC_FUNCNO_CARD_INIT,
+ EMMC_ERR_ILLEGAL_CARD);
+ return EMMC_ERR_ILLEGAL_CARD;
+ }
+
+ /* CMD7 (select card) */
+ emmc_make_nontrans_cmd(CMD7_SELECT_CARD, EMMC_RCA << 16);
+ result = emmc_exec_cmd(EMMC_R1_ERROR_MASK, mmc_drv_obj.response);
+ if (result != EMMC_SUCCESS) {
+ emmc_write_error_info_func_no(EMMC_FUNCNO_CARD_INIT);
+ return result;
+ }
+
+ mmc_drv_obj.selected = TRUE;
+
+ /* card speed check */
+ resultCalc = emmc_calc_tran_speed(&freq); /* Card spec is calculated from TRAN_SPEED(CSD). */
+ if (resultCalc == 0) {
+ emmc_write_error_info(EMMC_FUNCNO_CARD_INIT,
+ EMMC_ERR_ILLEGAL_CARD);
+ return EMMC_ERR_ILLEGAL_CARD;
+ }
+ mmc_drv_obj.max_freq = freq; /* max frequency (card spec) */
+
+ result = emmc_set_request_mmc_clock(&freq);
+ if (result != EMMC_SUCCESS) {
+ emmc_write_error_info_func_no(EMMC_FUNCNO_CARD_INIT);
+ return EMMC_ERR;
+ }
+
+ /* set read/write timeout */
+ mmc_drv_obj.data_timeout = emmc_set_timeout_register_value(freq);
+ SETR_32(SD_OPTION,
+ ((GETR_32(SD_OPTION) & ~(SD_OPTION_TIMEOUT_CNT_MASK)) |
+ mmc_drv_obj.data_timeout));
+
+ /* SET_BLOCKLEN(512byte) */
+ /* CMD16 */
+ emmc_make_nontrans_cmd(CMD16_SET_BLOCKLEN, EMMC_BLOCK_LENGTH);
+ result = emmc_exec_cmd(EMMC_R1_ERROR_MASK, mmc_drv_obj.response);
+ if (result != EMMC_SUCCESS) {
+ emmc_write_error_info_func_no(EMMC_FUNCNO_CARD_INIT);
+ return result;
+ }
+
+ /* Transfer Data Length */
+ SETR_32(SD_SIZE, EMMC_BLOCK_LENGTH);
+
+ /* CMD8 (EXT_CSD) */
+ emmc_make_trans_cmd(CMD8_SEND_EXT_CSD, 0x00000000,
+ (uint32_t *) (&mmc_drv_obj.ext_csd_data[0]),
+ EMMC_MAX_EXT_CSD_LENGTH, HAL_MEMCARD_READ,
+ HAL_MEMCARD_NOT_DMA);
+ result = emmc_exec_cmd(EMMC_R1_ERROR_MASK, mmc_drv_obj.response);
+ if (result != EMMC_SUCCESS) {
+ /* CMD12 is not send.
+ * If BUS initialization is failed, user must be execute Bus initialization again.
+ * Bus initialization is start CMD0(soft reset command).
+ */
+ emmc_write_error_info_func_no(EMMC_FUNCNO_CARD_INIT);
+ return result;
+ }
+
+ /* Set boot partition */
+ emmc_set_bootpartition();
+
+ return EMMC_SUCCESS;
+}
+
+static EMMC_ERROR_CODE emmc_high_speed(void)
+{
+ uint32_t freq; /**< High speed mode clock frequency */
+ EMMC_ERROR_CODE result;
+ uint8_t cardType;
+
+ /* state check */
+ if (mmc_drv_obj.selected != TRUE) {
+ emmc_write_error_info(EMMC_FUNCNO_HIGH_SPEED, EMMC_ERR_STATE);
+ return EMMC_ERR_STATE;
+ }
+
+ /* max frequency */
+ cardType = (uint8_t) mmc_drv_obj.ext_csd_data[EMMC_EXT_CSD_CARD_TYPE];
+ if ((cardType & EMMC_EXT_CSD_CARD_TYPE_52MHZ) != 0)
+ freq = MMC_52MHZ;
+ else if ((cardType & EMMC_EXT_CSD_CARD_TYPE_26MHZ) != 0)
+ freq = MMC_26MHZ;
+ else
+ freq = MMC_20MHZ;
+
+ /* Hi-Speed-mode selction */
+ if ((MMC_52MHZ == freq) || (MMC_26MHZ == freq)) {
+ /* CMD6 */
+ emmc_make_nontrans_cmd(CMD6_SWITCH, EMMC_SWITCH_HS_TIMING);
+ result =
+ emmc_exec_cmd(EMMC_R1_ERROR_MASK, mmc_drv_obj.response);
+ if (result != EMMC_SUCCESS) {
+ emmc_write_error_info_func_no(EMMC_FUNCNO_HIGH_SPEED);
+ return result;
+ }
+
+ mmc_drv_obj.hs_timing = TIMING_HIGH_SPEED; /* High-Speed */
+ }
+
+ /* set mmc clock */
+ mmc_drv_obj.max_freq = freq;
+ result = emmc_set_request_mmc_clock(&freq);
+ if (result != EMMC_SUCCESS) {
+ emmc_write_error_info_func_no(EMMC_FUNCNO_HIGH_SPEED);
+ return EMMC_ERR;
+ }
+
+ /* set read/write timeout */
+ mmc_drv_obj.data_timeout = emmc_set_timeout_register_value(freq);
+ SETR_32(SD_OPTION,
+ ((GETR_32(SD_OPTION) & ~(SD_OPTION_TIMEOUT_CNT_MASK)) |
+ mmc_drv_obj.data_timeout));
+
+ /* CMD13 */
+ emmc_make_nontrans_cmd(CMD13_SEND_STATUS, EMMC_RCA << 16);
+ result =
+ emmc_exec_cmd(EMMC_R1_ERROR_MASK_WITHOUT_CRC, mmc_drv_obj.response);
+ if (result != EMMC_SUCCESS) {
+ emmc_write_error_info_func_no(EMMC_FUNCNO_HIGH_SPEED);
+ return result;
+ }
+
+ return EMMC_SUCCESS;
+}
+
+static EMMC_ERROR_CODE emmc_clock_ctrl(uint8_t mode)
+{
+ uint32_t value;
+
+ /* busy check */
+ if ((GETR_32(SD_INFO2) & SD_INFO2_CBSY) != 0) {
+ emmc_write_error_info(EMMC_FUNCNO_SET_CLOCK,
+ EMMC_ERR_CARD_BUSY);
+ return EMMC_ERR;
+ }
+
+ if (mode == TRUE) {
+ /* clock ON */
+ value =
+ ((GETR_32(SD_CLK_CTRL) | MMC_SD_CLK_START) &
+ SD_CLK_WRITE_MASK);
+ SETR_32(SD_CLK_CTRL, value); /* on */
+ mmc_drv_obj.clock_enable = TRUE;
+ } else {
+ /* clock OFF */
+ value =
+ ((GETR_32(SD_CLK_CTRL) & MMC_SD_CLK_STOP) &
+ SD_CLK_WRITE_MASK);
+ SETR_32(SD_CLK_CTRL, value); /* off */
+ mmc_drv_obj.clock_enable = FALSE;
+ }
+
+ return EMMC_SUCCESS;
+}
+
+static EMMC_ERROR_CODE emmc_bus_width(uint32_t width)
+{
+ EMMC_ERROR_CODE result = EMMC_ERR;
+
+ /* parameter check */
+ if ((width != 8) && (width != 4) && (width != 1)) {
+ emmc_write_error_info(EMMC_FUNCNO_BUS_WIDTH, EMMC_ERR_PARAM);
+ return EMMC_ERR_PARAM;
+ }
+
+ /* state check */
+ if (mmc_drv_obj.selected != TRUE) {
+ emmc_write_error_info(EMMC_FUNCNO_BUS_WIDTH, EMMC_ERR_STATE);
+ return EMMC_ERR_STATE;
+ }
+
+ mmc_drv_obj.bus_width = (HAL_MEMCARD_DATA_WIDTH) (width >> 2); /* 2 = 8bit, 1 = 4bit, 0 =1bit */
+
+ /* CMD6 */
+ emmc_make_nontrans_cmd(CMD6_SWITCH,
+ (EMMC_SWITCH_BUS_WIDTH_1 |
+ (mmc_drv_obj.bus_width << 8)));
+ result = emmc_exec_cmd(EMMC_R1_ERROR_MASK, mmc_drv_obj.response);
+ if (result != EMMC_SUCCESS) {
+ /* occurred error */
+ mmc_drv_obj.bus_width = HAL_MEMCARD_DATA_WIDTH_1_BIT;
+ goto EXIT;
+ }
+
+ switch (mmc_drv_obj.bus_width) {
+ case HAL_MEMCARD_DATA_WIDTH_1_BIT:
+ SETR_32(SD_OPTION,
+ ((GETR_32(SD_OPTION) & ~(BIT15 | BIT13)) | BIT15));
+ break;
+ case HAL_MEMCARD_DATA_WIDTH_4_BIT:
+ SETR_32(SD_OPTION, (GETR_32(SD_OPTION) & ~(BIT15 | BIT13)));
+ break;
+ case HAL_MEMCARD_DATA_WIDTH_8_BIT:
+ SETR_32(SD_OPTION,
+ ((GETR_32(SD_OPTION) & ~(BIT15 | BIT13)) | BIT13));
+ break;
+ default:
+ goto EXIT;
+ }
+
+ /* CMD13 */
+ emmc_make_nontrans_cmd(CMD13_SEND_STATUS, EMMC_RCA << 16);
+ result = emmc_exec_cmd(EMMC_R1_ERROR_MASK, mmc_drv_obj.response);
+ if (result != EMMC_SUCCESS) {
+ goto EXIT;
+ }
+
+ /* CMD8 (EXT_CSD) */
+ emmc_make_trans_cmd(CMD8_SEND_EXT_CSD, 0x00000000,
+ (uint32_t *) (&mmc_drv_obj.ext_csd_data[0]),
+ EMMC_MAX_EXT_CSD_LENGTH, HAL_MEMCARD_READ,
+ HAL_MEMCARD_NOT_DMA);
+ result = emmc_exec_cmd(EMMC_R1_ERROR_MASK, mmc_drv_obj.response);
+ if (result != EMMC_SUCCESS) {
+ goto EXIT;
+ }
+
+ return EMMC_SUCCESS;
+
+EXIT:
+
+ emmc_write_error_info(EMMC_FUNCNO_BUS_WIDTH, result);
+ ERROR("BL2: emmc bus_width error end\n");
+ return result;
+}
+
+EMMC_ERROR_CODE emmc_select_partition(EMMC_PARTITION_ID id)
+{
+ EMMC_ERROR_CODE result;
+ uint32_t arg;
+ uint32_t partition_config;
+
+ /* state check */
+ if (mmc_drv_obj.mount != TRUE) {
+ emmc_write_error_info(EMMC_FUNCNO_NONE, EMMC_ERR_STATE);
+ return EMMC_ERR_STATE;
+ }
+
+ /* id = PARTITION_ACCESS(Bit[2:0]) */
+ if ((id & ~PARTITION_ID_MASK) != 0) {
+ emmc_write_error_info(EMMC_FUNCNO_NONE, EMMC_ERR_PARAM);
+ return EMMC_ERR_PARAM;
+ }
+
+ /* EXT_CSD[179] value */
+ partition_config =
+ (uint32_t) mmc_drv_obj.ext_csd_data[EMMC_EXT_CSD_PARTITION_CONFIG];
+ if ((partition_config & PARTITION_ID_MASK) == id) {
+ result = EMMC_SUCCESS;
+ } else {
+
+ partition_config =
+ (uint32_t) ((partition_config & ~PARTITION_ID_MASK) | id);
+ arg = EMMC_SWITCH_PARTITION_CONFIG | (partition_config << 8);
+
+ result = emmc_set_ext_csd(arg);
+ }
+
+ return result;
+}
+
+static void set_sd_clk(uint32_t clkDiv)
+{
+ uint32_t dataL;
+
+ dataL = (GETR_32(SD_CLK_CTRL) & (~SD_CLK_CTRL_CLKDIV_MASK));
+
+ switch (clkDiv) {
+ case 1:
+ dataL |= 0x000000FFU;
+ break; /* 1/1 */
+ case 2:
+ dataL |= 0x00000000U;
+ break; /* 1/2 */
+ case 4:
+ dataL |= 0x00000001U;
+ break; /* 1/4 */
+ case 8:
+ dataL |= 0x00000002U;
+ break; /* 1/8 */
+ case 16:
+ dataL |= 0x00000004U;
+ break; /* 1/16 */
+ case 32:
+ dataL |= 0x00000008U;
+ break; /* 1/32 */
+ case 64:
+ dataL |= 0x00000010U;
+ break; /* 1/64 */
+ case 128:
+ dataL |= 0x00000020U;
+ break; /* 1/128 */
+ case 256:
+ dataL |= 0x00000040U;
+ break; /* 1/256 */
+ case 512:
+ dataL |= 0x00000080U;
+ break; /* 1/512 */
+ }
+
+ SETR_32(SD_CLK_CTRL, dataL);
+ mmc_drv_obj.current_freq = (uint32_t) clkDiv;
+}
+
+static void emmc_get_partition_access(void)
+{
+ uint32_t reg;
+ EMMC_ERROR_CODE result;
+
+ reg = mmio_read_32(RCAR_PRR) & (RCAR_PRODUCT_MASK | RCAR_CUT_MASK);
+ if ((reg == RCAR_PRODUCT_H3_CUT20) || (reg == RCAR_PRODUCT_M3_CUT11)) {
+ SETR_32(SD_OPTION, 0x000060EEU); /* 8 bits width */
+ /* CMD8 (EXT_CSD) */
+ emmc_make_trans_cmd(CMD8_SEND_EXT_CSD, 0x00000000U,
+ (uint32_t *) (&mmc_drv_obj.ext_csd_data[0]),
+ EMMC_MAX_EXT_CSD_LENGTH,
+ HAL_MEMCARD_READ, HAL_MEMCARD_NOT_DMA);
+ mmc_drv_obj.get_partition_access_flag = TRUE;
+ result =
+ emmc_exec_cmd(EMMC_R1_ERROR_MASK, mmc_drv_obj.response);
+ mmc_drv_obj.get_partition_access_flag = FALSE;
+ if (result == EMMC_SUCCESS) {
+ mmc_drv_obj.partition_access =
+ (EMMC_PARTITION_ID) (mmc_drv_obj.ext_csd_data[179]
+ & PARTITION_ID_MASK);
+ } else if (result == EMMC_ERR_CMD_TIMEOUT) {
+ mmc_drv_obj.partition_access = PARTITION_ID_BOOT_1;
+ } else {
+ emmc_write_error_info(EMMC_FUNCNO_GET_PERTITION_ACCESS,
+ result);
+ panic();
+ }
+ SETR_32(SD_OPTION, 0x0000C0EEU); /* Initialize */
+ }
+}
+
+static uint32_t emmc_calc_tran_speed(uint32_t *freq)
+{
+ const uint32_t unit[8] = { 10000, 100000, 1000000, 10000000,
+ 0, 0, 0, 0 }; /**< frequency unit (1/10) */
+ const uint32_t mult[16] = { 0, 10, 12, 13, 15, 20, 26, 30, 35, 40, 45,
+ 52, 55, 60, 70, 80 };
+
+ uint32_t maxFreq;
+ uint32_t result;
+ uint32_t tran_speed = EMMC_CSD_TRAN_SPEED();
+
+ /* tran_speed = 0x32
+ * unit[tran_speed&0x7] = uint[0x2] = 1000000
+ * mult[(tran_speed&0x78)>>3] = mult[0x30>>3] = mult[6] = 26
+ * 1000000 * 26 = 26000000 (26MHz)
+ */
+
+ result = 1;
+ maxFreq =
+ unit[tran_speed & EMMC_TRANSPEED_FREQ_UNIT_MASK] *
+ mult[(tran_speed & EMMC_TRANSPEED_MULT_MASK) >>
+ EMMC_TRANSPEED_MULT_SHIFT];
+
+ if (maxFreq == 0) {
+ result = 0;
+ } else if (MMC_FREQ_52MHZ <= maxFreq)
+ *freq = MMC_52MHZ;
+ else if (MMC_FREQ_26MHZ <= maxFreq)
+ *freq = MMC_26MHZ;
+ else if (MMC_FREQ_20MHZ <= maxFreq)
+ *freq = MMC_20MHZ;
+ else
+ *freq = MMC_400KHZ;
+
+ return result;
+}
+
+static uint32_t emmc_set_timeout_register_value(uint32_t freq)
+{
+ uint32_t timeoutCnt; /* SD_OPTION - Timeout Counter */
+
+ switch (freq) {
+ case 1U:
+ timeoutCnt = 0xE0U;
+ break; /* SDCLK * 2^27 */
+ case 2U:
+ timeoutCnt = 0xE0U;
+ break; /* SDCLK * 2^27 */
+ case 4U:
+ timeoutCnt = 0xD0U;
+ break; /* SDCLK * 2^26 */
+ case 8U:
+ timeoutCnt = 0xC0U;
+ break; /* SDCLK * 2^25 */
+ case 16U:
+ timeoutCnt = 0xB0U;
+ break; /* SDCLK * 2^24 */
+ case 32U:
+ timeoutCnt = 0xA0U;
+ break; /* SDCLK * 2^23 */
+ case 64U:
+ timeoutCnt = 0x90U;
+ break; /* SDCLK * 2^22 */
+ case 128U:
+ timeoutCnt = 0x80U;
+ break; /* SDCLK * 2^21 */
+ case 256U:
+ timeoutCnt = 0x70U;
+ break; /* SDCLK * 2^20 */
+ case 512U:
+ timeoutCnt = 0x70U;
+ break; /* SDCLK * 2^20 */
+ default:
+ timeoutCnt = 0xE0U;
+ break; /* SDCLK * 2^27 */
+ }
+
+ return timeoutCnt;
+}
+
+EMMC_ERROR_CODE emmc_set_ext_csd(uint32_t arg)
+{
+ EMMC_ERROR_CODE result;
+
+ /* CMD6 */
+ emmc_make_nontrans_cmd(CMD6_SWITCH, arg);
+ result = emmc_exec_cmd(EMMC_R1_ERROR_MASK, mmc_drv_obj.response);
+ if (result != EMMC_SUCCESS) {
+ return result;
+ }
+
+ /* CMD13 */
+ emmc_make_nontrans_cmd(CMD13_SEND_STATUS, EMMC_RCA << 16);
+ result = emmc_exec_cmd(EMMC_R1_ERROR_MASK, mmc_drv_obj.response);
+ if (result != EMMC_SUCCESS) {
+ return result;
+ }
+
+ /* CMD8 (EXT_CSD) */
+ emmc_make_trans_cmd(CMD8_SEND_EXT_CSD, 0x00000000,
+ (uint32_t *) (&mmc_drv_obj.ext_csd_data[0]),
+ EMMC_MAX_EXT_CSD_LENGTH, HAL_MEMCARD_READ,
+ HAL_MEMCARD_NOT_DMA);
+ result = emmc_exec_cmd(EMMC_R1_ERROR_MASK, mmc_drv_obj.response);
+ if (result != EMMC_SUCCESS) {
+ return result;
+ }
+ return EMMC_SUCCESS;
+}
+
+EMMC_ERROR_CODE emmc_set_request_mmc_clock(uint32_t *freq)
+{
+ /* parameter check */
+ if (freq == NULL) {
+ emmc_write_error_info(EMMC_FUNCNO_SET_CLOCK, EMMC_ERR_PARAM);
+ return EMMC_ERR_PARAM;
+ }
+
+ /* state check */
+ if ((mmc_drv_obj.initialize != TRUE)
+ || (mmc_drv_obj.card_power_enable != TRUE)) {
+ emmc_write_error_info(EMMC_FUNCNO_SET_CLOCK, EMMC_ERR_STATE);
+ return EMMC_ERR_STATE;
+ }
+
+ /* clock is already running in the desired frequency. */
+ if ((mmc_drv_obj.clock_enable == TRUE)
+ && (mmc_drv_obj.current_freq == *freq)) {
+ return EMMC_SUCCESS;
+ }
+
+ /* busy check */
+ if ((GETR_32(SD_INFO2) & SD_INFO2_CBSY) != 0) {
+ emmc_write_error_info(EMMC_FUNCNO_SET_CLOCK,
+ EMMC_ERR_CARD_BUSY);
+ return EMMC_ERR;
+ }
+
+ set_sd_clk(*freq);
+ mmc_drv_obj.clock_enable = FALSE;
+
+ return emmc_clock_ctrl(TRUE); /* clock on */
+}
+
+EMMC_ERROR_CODE rcar_emmc_mount(void)
+{
+ EMMC_ERROR_CODE result;
+
+ /* state check */
+ if ((mmc_drv_obj.initialize != TRUE)
+ || (mmc_drv_obj.card_power_enable != TRUE)
+ || ((GETR_32(SD_INFO2) & SD_INFO2_CBSY) != 0)
+ ) {
+ emmc_write_error_info(EMMC_FUNCNO_MOUNT, EMMC_ERR_STATE);
+ return EMMC_ERR_STATE;
+ }
+
+ /* initialize card (IDLE state --> Transfer state) */
+ result = emmc_card_init();
+ if (result != EMMC_SUCCESS) {
+ emmc_write_error_info_func_no(EMMC_FUNCNO_CARD_INIT);
+ if (emmc_clock_ctrl(FALSE) != EMMC_SUCCESS) {
+ /* nothing to do. */
+ }
+ return result;
+ }
+
+ /* Switching high speed mode */
+ result = emmc_high_speed();
+ if (result != EMMC_SUCCESS) {
+ emmc_write_error_info_func_no(EMMC_FUNCNO_HIGH_SPEED);
+ if (emmc_clock_ctrl(FALSE) != EMMC_SUCCESS) {
+ /* nothing to do. */
+ }
+ return result;
+ }
+
+ /* Changing the data bus width */
+ result = emmc_bus_width(8);
+ if (result != EMMC_SUCCESS) {
+ emmc_write_error_info_func_no(EMMC_FUNCNO_BUS_WIDTH);
+ if (emmc_clock_ctrl(FALSE) != EMMC_SUCCESS) {
+ /* nothing to do. */
+ }
+ return result;
+ }
+
+ /* mount complete */
+ mmc_drv_obj.mount = TRUE;
+
+ return EMMC_SUCCESS;
+}
diff --git a/drivers/renesas/rcar/emmc/emmc_read.c b/drivers/renesas/rcar/emmc/emmc_read.c
new file mode 100644
index 0000000000..b11c2c43ef
--- /dev/null
+++ b/drivers/renesas/rcar/emmc/emmc_read.c
@@ -0,0 +1,127 @@
+/*
+ * Copyright (c) 2015-2017, Renesas Electronics Corporation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+#include <arch_helpers.h>
+#include "emmc_config.h"
+#include "emmc_hal.h"
+#include "emmc_std.h"
+#include "emmc_registers.h"
+#include "emmc_def.h"
+
+#define MIN_EMMC(a, b) (((a) < (b)) ? (a) : (b))
+#define EMMC_RW_SECTOR_COUNT_MAX 0x0000ffffU
+
+static EMMC_ERROR_CODE emmc_multiple_block_read (uint32_t *buff_address_virtual,
+ uint32_t sector_number, uint32_t count,
+ HAL_MEMCARD_DATA_TRANSFER_MODE transfer_mode)
+{
+ EMMC_ERROR_CODE result;
+
+ /* parameter check */
+ if ((count > EMMC_RW_SECTOR_COUNT_MAX)
+ || (count == 0)
+ || ((transfer_mode != HAL_MEMCARD_DMA)
+ && (transfer_mode != HAL_MEMCARD_NOT_DMA))
+ ) {
+ emmc_write_error_info(EMMC_FUNCNO_READ_SECTOR, EMMC_ERR_PARAM);
+ return EMMC_ERR_PARAM;
+ }
+
+ /* CMD23 */
+ emmc_make_nontrans_cmd(CMD23_SET_BLOCK_COUNT, count);
+ result = emmc_exec_cmd(EMMC_R1_ERROR_MASK, mmc_drv_obj.response);
+ if (result != EMMC_SUCCESS) {
+ return result;
+ }
+ SETR_32(SD_SECCNT, count);
+ SETR_32(SD_STOP, 0x00000100);
+ SETR_32(CC_EXT_MODE, (CC_EXT_MODE_CLEAR | CC_EXT_MODE_DMASDRW_ENABLE)); /* SD_BUF Read/Write DMA Transfer enable */
+
+ /* CMD18 */
+ emmc_make_trans_cmd(CMD18_READ_MULTIPLE_BLOCK, sector_number,
+ buff_address_virtual,
+ count << EMMC_SECTOR_SIZE_SHIFT, HAL_MEMCARD_READ,
+ transfer_mode);
+ result = emmc_exec_cmd(EMMC_R1_ERROR_MASK, mmc_drv_obj.response);
+ if (result != EMMC_SUCCESS) {
+ return result; /* CMD18 error code */
+ }
+
+ /* CMD13 */
+ emmc_make_nontrans_cmd(CMD13_SEND_STATUS, EMMC_RCA << 16);
+ result = emmc_exec_cmd(EMMC_R1_ERROR_MASK, mmc_drv_obj.response);
+ if (result != EMMC_SUCCESS) {
+ return result;
+ }
+#if RCAR_BL2_DCACHE == 1
+ if (transfer_mode == HAL_MEMCARD_NOT_DMA) {
+ flush_dcache_range((uint64_t) buff_address_virtual,
+ ((size_t) count << EMMC_SECTOR_SIZE_SHIFT));
+ }
+#endif /* RCAR_BL2_DCACHE == 1 */
+
+ /* ready status check */
+ if ((mmc_drv_obj.r1_card_status & EMMC_R1_READY) == 0) {
+ emmc_write_error_info(EMMC_FUNCNO_READ_SECTOR,
+ EMMC_ERR_CARD_BUSY);
+ return EMMC_ERR_CARD_BUSY;
+ }
+
+ /* state check */
+ if (mmc_drv_obj.current_state != EMMC_R1_STATE_TRAN) {
+ emmc_write_error_info(EMMC_FUNCNO_READ_SECTOR,
+ EMMC_ERR_CARD_STATE);
+ return EMMC_ERR_CARD_STATE;
+ }
+
+ return EMMC_SUCCESS;
+}
+
+EMMC_ERROR_CODE emmc_read_sector(uint32_t *buff_address_virtual,
+ uint32_t sector_number,
+ uint32_t count, uint32_t feature_flags)
+{
+ uint32_t trans_count;
+ uint32_t remain;
+ EMMC_ERROR_CODE result;
+ HAL_MEMCARD_DATA_TRANSFER_MODE transfer_mode;
+
+ /* parameter check */
+ if (count == 0) {
+ emmc_write_error_info(EMMC_FUNCNO_READ_SECTOR, EMMC_ERR_PARAM);
+ return EMMC_ERR_PARAM;
+ }
+
+ /* state check */
+ if (mmc_drv_obj.mount != TRUE) {
+ emmc_write_error_info(EMMC_FUNCNO_READ_SECTOR, EMMC_ERR_STATE);
+ return EMMC_ERR_STATE;
+ }
+
+ /* DMA? */
+ if ((feature_flags & LOADIMAGE_FLAGS_DMA_ENABLE) != 0) {
+ transfer_mode = HAL_MEMCARD_DMA;
+ } else {
+ transfer_mode = HAL_MEMCARD_NOT_DMA;
+ }
+
+ remain = count;
+ while (remain != 0) {
+ trans_count = MIN_EMMC(remain, EMMC_RW_SECTOR_COUNT_MAX);
+ result =
+ emmc_multiple_block_read(buff_address_virtual,
+ sector_number, trans_count,
+ transfer_mode);
+ if (result != EMMC_SUCCESS) {
+ return result;
+ }
+
+ buff_address_virtual += (EMMC_BLOCK_LENGTH_DW * trans_count);
+ sector_number += trans_count;
+ remain -= trans_count;
+ }
+
+ return EMMC_SUCCESS;
+}
diff --git a/drivers/renesas/rcar/emmc/emmc_registers.h b/drivers/renesas/rcar/emmc/emmc_registers.h
new file mode 100644
index 0000000000..a670ab7ef9
--- /dev/null
+++ b/drivers/renesas/rcar/emmc/emmc_registers.h
@@ -0,0 +1,260 @@
+/*
+ * Copyright (c) 2015-2018, Renesas Electronics Corporation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+/**
+ * @file emmc_registers.h
+ * @brief emmc boot driver is expecting this header file. HS-MMC module header file.
+ *
+ */
+
+#ifndef __EMMC_REGISTERS_H__
+#define __EMMC_REGISTERS_H__
+
+/* ************************ HEADER (INCLUDE) SECTION *********************** */
+
+/* ***************** MACROS, CONSTANTS, COMPILATION FLAGS ****************** */
+
+/* MMC channel select */
+#define MMC_CH0 (0U) /* SDHI2/MMC0 */
+#define MMC_CH1 (1U) /* SDHI3/MMC1 */
+
+#if RCAR_LSI == RCAR_E3
+#define USE_MMC_CH (MMC_CH1) /* R-Car E3 */
+#else /* RCAR_LSI == RCAR_E3 */
+#define USE_MMC_CH (MMC_CH0) /* R-Car H3/M3/M3N */
+#endif /* RCAR_LSI == RCAR_E3 */
+
+#define BIT0 (0x00000001U)
+#define BIT1 (0x00000002U)
+#define BIT2 (0x00000004U)
+#define BIT3 (0x00000008U)
+#define BIT4 (0x00000010U)
+#define BIT5 (0x00000020U)
+#define BIT6 (0x00000040U)
+#define BIT7 (0x00000080U)
+#define BIT8 (0x00000100U)
+#define BIT9 (0x00000200U)
+#define BIT10 (0x00000400U)
+#define BIT11 (0x00000800U)
+#define BIT12 (0x00001000U)
+#define BIT13 (0x00002000U)
+#define BIT14 (0x00004000U)
+#define BIT15 (0x00008000U)
+#define BIT16 (0x00010000U)
+#define BIT17 (0x00020000U)
+#define BIT18 (0x00040000U)
+#define BIT19 (0x00080000U)
+#define BIT20 (0x00100000U)
+#define BIT21 (0x00200000U)
+#define BIT22 (0x00400000U)
+#define BIT23 (0x00800000U)
+#define BIT24 (0x01000000U)
+#define BIT25 (0x02000000U)
+#define BIT26 (0x04000000U)
+#define BIT27 (0x08000000U)
+#define BIT28 (0x10000000U)
+#define BIT29 (0x20000000U)
+#define BIT30 (0x40000000U)
+#define BIT31 (0x80000000U)
+
+/** @brief Clock Pulse Generator (CPG) registers
+ */
+#define CPG_BASE (0xE6150000U)
+
+#define CPG_MSTPSR3 (CPG_BASE+0x0048U) /* Module stop status register 3 */
+
+#define CPG_SMSTPCR3 (CPG_BASE+0x013CU) /* System module stop control register 3 */
+
+#define CPG_SD2CKCR (CPG_BASE+0x0268U) /* SDHI2 clock frequency control register */
+#define CPG_SD3CKCR (CPG_BASE+0x026CU) /* SDHI3 clock frequency control register */
+
+#define CPG_CPGWPR (CPG_BASE+0x0900U) /* CPG Write Protect Register */
+
+#if USE_MMC_CH == MMC_CH0
+#define CPG_SDxCKCR (CPG_SD2CKCR) /* SDHI2/MMC0 */
+#else /* USE_MMC_CH == MMC_CH0 */
+#define CPG_SDxCKCR (CPG_SD3CKCR) /* SDHI3/MMC1 */
+#endif /* USE_MMC_CH == MMC_CH0 */
+
+/** Boot Status register
+ */
+#define MFISBTSTSR (0xE6260604U)
+
+#define MFISBTSTSR_BOOT_PARTITION (0x00000010U)
+
+/** brief eMMC registers
+ */
+#define MMC0_SD_BASE (0xEE140000U)
+#define MMC1_SD_BASE (0xEE160000U)
+
+#if USE_MMC_CH == MMC_CH0
+#define MMC_SD_BASE (MMC0_SD_BASE)
+#else /* USE_MMC_CH == MMC_CH0 */
+#define MMC_SD_BASE (MMC1_SD_BASE)
+#endif /* USE_MMC_CH == MMC_CH0 */
+
+#define SD_CMD (MMC_SD_BASE + 0x0000U)
+#define SD_PORTSEL (MMC_SD_BASE + 0x0008U)
+#define SD_ARG (MMC_SD_BASE + 0x0010U)
+#define SD_ARG1 (MMC_SD_BASE + 0x0018U)
+#define SD_STOP (MMC_SD_BASE + 0x0020U)
+#define SD_SECCNT (MMC_SD_BASE + 0x0028U)
+#define SD_RSP10 (MMC_SD_BASE + 0x0030U)
+#define SD_RSP1 (MMC_SD_BASE + 0x0038U)
+#define SD_RSP32 (MMC_SD_BASE + 0x0040U)
+#define SD_RSP3 (MMC_SD_BASE + 0x0048U)
+#define SD_RSP54 (MMC_SD_BASE + 0x0050U)
+#define SD_RSP5 (MMC_SD_BASE + 0x0058U)
+#define SD_RSP76 (MMC_SD_BASE + 0x0060U)
+#define SD_RSP7 (MMC_SD_BASE + 0x0068U)
+#define SD_INFO1 (MMC_SD_BASE + 0x0070U)
+#define SD_INFO2 (MMC_SD_BASE + 0x0078U)
+#define SD_INFO1_MASK (MMC_SD_BASE + 0x0080U)
+#define SD_INFO2_MASK (MMC_SD_BASE + 0x0088U)
+#define SD_CLK_CTRL (MMC_SD_BASE + 0x0090U)
+#define SD_SIZE (MMC_SD_BASE + 0x0098U)
+#define SD_OPTION (MMC_SD_BASE + 0x00A0U)
+#define SD_ERR_STS1 (MMC_SD_BASE + 0x00B0U)
+#define SD_ERR_STS2 (MMC_SD_BASE + 0x00B8U)
+#define SD_BUF0 (MMC_SD_BASE + 0x00C0U)
+#define SDIO_MODE (MMC_SD_BASE + 0x00D0U)
+#define SDIO_INFO1 (MMC_SD_BASE + 0x00D8U)
+#define SDIO_INFO1_MASK (MMC_SD_BASE + 0x00E0U)
+#define CC_EXT_MODE (MMC_SD_BASE + 0x0360U)
+#define SOFT_RST (MMC_SD_BASE + 0x0380U)
+#define VERSION (MMC_SD_BASE + 0x0388U)
+#define HOST_MODE (MMC_SD_BASE + 0x0390U)
+#define DM_CM_DTRAN_MODE (MMC_SD_BASE + 0x0820U)
+#define DM_CM_DTRAN_CTRL (MMC_SD_BASE + 0x0828U)
+#define DM_CM_RST (MMC_SD_BASE + 0x0830U)
+#define DM_CM_INFO1 (MMC_SD_BASE + 0x0840U)
+#define DM_CM_INFO1_MASK (MMC_SD_BASE + 0x0848U)
+#define DM_CM_INFO2 (MMC_SD_BASE + 0x0850U)
+#define DM_CM_INFO2_MASK (MMC_SD_BASE + 0x0858U)
+#define DM_DTRAN_ADDR (MMC_SD_BASE + 0x0880U)
+
+/** @brief SD_INFO1 Registers
+ */
+#define SD_INFO1_HPIRES 0x00010000UL /* Response Reception Completion */
+#define SD_INFO1_INFO10 0x00000400UL /* Indicates the SDDAT3 state */
+#define SD_INFO1_INFO9 0x00000200UL /* SDDAT3 Card Insertion */
+#define SD_INFO1_INFO8 0x00000100UL /* SDDAT3 Card Removal */
+#define SD_INFO1_INFO7 0x00000080UL /* Write Protect */
+#define SD_INFO1_INFO5 0x00000020UL /* Indicates the ISDCD state */
+#define SD_INFO1_INFO4 0x00000010UL /* ISDCD Card Insertion */
+#define SD_INFO1_INFO3 0x00000008UL /* ISDCD Card Removal */
+#define SD_INFO1_INFO2 0x00000004UL /* Access end */
+#define SD_INFO1_INFO0 0x00000001UL /* Response end */
+
+/** @brief SD_INFO2 Registers
+ */
+#define SD_INFO2_ILA 0x00008000UL /* Illegal Access Error */
+#define SD_INFO2_CBSY 0x00004000UL /* Command Type Register Busy */
+#define SD_INFO2_SCLKDIVEN 0x00002000UL
+#define SD_INFO2_BWE 0x00000200UL /* SD_BUF Write Enable */
+#define SD_INFO2_BRE 0x00000100UL /* SD_BUF Read Enable */
+#define SD_INFO2_DAT0 0x00000080UL /* SDDAT0 */
+#define SD_INFO2_ERR6 0x00000040UL /* Response Timeout */
+#define SD_INFO2_ERR5 0x00000020UL /* SD_BUF Illegal Read Access */
+#define SD_INFO2_ERR4 0x00000010UL /* SD_BUF Illegal Write Access */
+#define SD_INFO2_ERR3 0x00000008UL /* Data Timeout */
+#define SD_INFO2_ERR2 0x00000004UL /* END Error */
+#define SD_INFO2_ERR1 0x00000002UL /* CRC Error */
+#define SD_INFO2_ERR0 0x00000001UL /* CMD Error */
+#define SD_INFO2_ALL_ERR 0x0000807FUL
+#define SD_INFO2_CLEAR 0x00000800UL /* BIT11 The write value should always be 1. HWM_0003 */
+
+/** @brief SOFT_RST
+ */
+#define SOFT_RST_SDRST 0x00000001UL
+
+/** @brief SD_CLK_CTRL
+ */
+#define SD_CLK_CTRL_SDCLKOFFEN 0x00000200UL
+#define SD_CLK_CTRL_SCLKEN 0x00000100UL
+#define SD_CLK_CTRL_CLKDIV_MASK 0x000000FFUL
+#define SD_CLOCK_ENABLE 0x00000100UL
+#define SD_CLOCK_DISABLE 0x00000000UL
+#define SD_CLK_WRITE_MASK 0x000003FFUL
+#define SD_CLK_CLKDIV_CLEAR_MASK 0xFFFFFF0FUL
+
+/** @brief SD_OPTION
+ */
+#define SD_OPTION_TIMEOUT_CNT_MASK 0x000000F0UL
+
+/** @brief MMC Clock Frequency
+ * 200MHz * 1/x = output clock
+ */
+#define MMC_CLK_OFF 0UL /* Clock output is disabled */
+#define MMC_400KHZ 512UL /* 200MHz * 1/512 = 390 KHz */
+#define MMC_20MHZ 16UL /* 200MHz * 1/16 = 12.5 MHz Normal speed mode */
+#define MMC_26MHZ 8UL /* 200MHz * 1/8 = 25 MHz High speed mode 26Mhz */
+#define MMC_52MHZ 4UL /* 200MHz * 1/4 = 50 MHz High speed mode 52Mhz */
+#define MMC_100MHZ 2UL /* 200MHz * 1/2 = 100 MHz */
+#define MMC_200MHZ 1UL /* 200MHz * 1/1 = 200 MHz */
+
+#define MMC_FREQ_52MHZ 52000000UL
+#define MMC_FREQ_26MHZ 26000000UL
+#define MMC_FREQ_20MHZ 20000000UL
+
+/** @brief MMC Clock DIV
+ */
+#define MMC_SD_CLK_START 0x00000100UL /* CLOCK On */
+#define MMC_SD_CLK_STOP (~0x00000100UL) /* CLOCK stop */
+#define MMC_SD_CLK_DIV1 0x000000FFUL /* 1/1 */
+#define MMC_SD_CLK_DIV2 0x00000000UL /* 1/2 */
+#define MMC_SD_CLK_DIV4 0x00000001UL /* 1/4 */
+#define MMC_SD_CLK_DIV8 0x00000002UL /* 1/8 */
+#define MMC_SD_CLK_DIV16 0x00000004UL /* 1/16 */
+#define MMC_SD_CLK_DIV32 0x00000008UL /* 1/32 */
+#define MMC_SD_CLK_DIV64 0x00000010UL /* 1/64 */
+#define MMC_SD_CLK_DIV128 0x00000020UL /* 1/128 */
+#define MMC_SD_CLK_DIV256 0x00000040UL /* 1/256 */
+#define MMC_SD_CLK_DIV512 0x00000080UL /* 1/512 */
+
+/** @brief DM_CM_DTRAN_MODE
+ */
+#define DM_CM_DTRAN_MODE_CH0 0x00000000UL /* CH0(downstream) */
+#define DM_CM_DTRAN_MODE_CH1 0x00010000UL /* CH1(upstream) */
+#define DM_CM_DTRAN_MODE_BIT_WIDTH 0x00000030UL
+
+/** @brief CC_EXT_MODE
+ */
+#define CC_EXT_MODE_DMASDRW_ENABLE 0x00000002UL /* SD_BUF Read/Write DMA Transfer */
+#define CC_EXT_MODE_CLEAR 0x00001010UL /* BIT 12 & 4 always 1. */
+
+/** @brief DM_CM_INFO_MASK
+ */
+#define DM_CM_INFO_MASK_CLEAR 0xFFFCFFFEUL
+#define DM_CM_INFO_CH0_ENABLE 0x00010001UL
+#define DM_CM_INFO_CH1_ENABLE 0x00020001UL
+
+/** @brief DM_DTRAN_ADDR
+ */
+#define DM_DTRAN_ADDR_WRITE_MASK 0xFFFFFFF8UL
+
+/** @brief DM_CM_DTRAN_CTRL
+ */
+#define DM_CM_DTRAN_CTRL_START 0x00000001UL
+
+/** @brief SYSC Registers
+ */
+#if USE_MMC_CH == MMC_CH0
+#define CPG_MSTP_MMC (BIT12) /* SDHI2/MMC0 */
+#else /* USE_MMC_CH == MMC_CH0 */
+#define CPG_MSTP_MMC (BIT11) /* SDHI3/MMC1 */
+#endif /* USE_MMC_CH == MMC_CH0 */
+
+/* ********************** STRUCTURES, TYPE DEFINITIONS ********************* */
+
+/* ********************** DECLARATION OF EXTERNAL DATA ********************* */
+
+/* ************************** FUNCTION PROTOTYPES ************************** */
+
+/* ********************************* CODE ********************************** */
+
+#endif /* __EMMC_REGISTERS_H__ */
+/* ******************************** END ************************************ */
diff --git a/drivers/renesas/rcar/emmc/emmc_std.h b/drivers/renesas/rcar/emmc/emmc_std.h
new file mode 100644
index 0000000000..f4ce198179
--- /dev/null
+++ b/drivers/renesas/rcar/emmc/emmc_std.h
@@ -0,0 +1,474 @@
+/*
+ * 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__ */
diff --git a/drivers/renesas/rcar/emmc/emmc_utility.c b/drivers/renesas/rcar/emmc/emmc_utility.c
new file mode 100644
index 0000000000..e64947ddc7
--- /dev/null
+++ b/drivers/renesas/rcar/emmc/emmc_utility.c
@@ -0,0 +1,225 @@
+/*
+ * Copyright (c) 2015-2017, Renesas Electronics Corporation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <debug.h>
+#include "emmc_config.h"
+#include "emmc_hal.h"
+#include "emmc_std.h"
+#include "emmc_registers.h"
+#include "emmc_def.h"
+
+static const uint32_t cmd_reg_hw[EMMC_CMD_MAX + 1] = {
+ 0x00000000, /* CMD0 */
+ 0x00000701, /* CMD1 */
+ 0x00000002, /* CMD2 */
+ 0x00000003, /* CMD3 */
+ 0x00000004, /* CMD4 */
+ 0x00000505, /* CMD5 */
+ 0x00000406, /* CMD6 */
+ 0x00000007, /* CMD7 */
+ 0x00001C08, /* CMD8 */
+ 0x00000009, /* CMD9 */
+ 0x0000000A, /* CMD10 */
+ 0x00000000, /* reserved */
+ 0x0000000C, /* CMD12 */
+ 0x0000000D, /* CMD13 */
+ 0x00001C0E, /* CMD14 */
+ 0x0000000F, /* CMD15 */
+ 0x00000010, /* CMD16 */
+ 0x00000011, /* CMD17 */
+ 0x00007C12, /* CMD18 */
+ 0x00000C13, /* CMD19 */
+ 0x00000000,
+ 0x00001C15, /* CMD21 */
+ 0x00000000,
+ 0x00000017, /* CMD23 */
+ 0x00000018, /* CMD24 */
+ 0x00006C19, /* CMD25 */
+ 0x00000C1A, /* CMD26 */
+ 0x0000001B, /* CMD27 */
+ 0x0000001C, /* CMD28 */
+ 0x0000001D, /* CMD29 */
+ 0x0000001E, /* CMD30 */
+ 0x00001C1F, /* CMD31 */
+ 0x00000000,
+ 0x00000000,
+ 0x00000000,
+ 0x00000423, /* CMD35 */
+ 0x00000424, /* CMD36 */
+ 0x00000000,
+ 0x00000026, /* CMD38 */
+ 0x00000427, /* CMD39 */
+ 0x00000428, /* CMD40(send cmd) */
+ 0x00000000,
+ 0x0000002A, /* CMD42 */
+ 0x00000000,
+ 0x00000000,
+ 0x00000000,
+ 0x00000000,
+ 0x00000000,
+ 0x00000000,
+ 0x00000C31,
+ 0x00000000,
+ 0x00000000,
+ 0x00000000,
+ 0x00007C35,
+ 0x00006C36,
+ 0x00000037, /* CMD55 */
+ 0x00000038, /* CMD56(Read) */
+ 0x00000000,
+ 0x00000000,
+ 0x00000000,
+ 0x00000000
+};
+
+uint32_t emmc_bit_field(uint8_t *data, uint32_t top, uint32_t bottom)
+{
+ uint32_t value;
+
+ uint32_t index_top = (uint32_t) (15 - (top >> 3));
+ uint32_t index_bottom = (uint32_t) (15 - (bottom >> 3));
+
+ if (index_top == index_bottom) {
+ value = data[index_top];
+ } else if ((index_top + 1) == index_bottom) {
+ value =
+ (uint32_t) ((data[index_top] << 8) | data[index_bottom]);
+ } else if ((index_top + 2) == index_bottom) {
+ value =
+ (uint32_t) ((data[index_top] << 16) |
+ (data[index_top + 1] << 8) | data[index_top +
+ 2]);
+ } else {
+ value =
+ (uint32_t) ((data[index_top] << 24) |
+ (data[index_top + 1] << 16) |
+ (data[index_top + 2] << 8) | data[index_top +
+ 3]);
+ }
+
+ value = ((value >> (bottom & 0x07)) & ((1 << (top - bottom + 1)) - 1));
+
+ return value;
+}
+
+void emmc_write_error_info(uint16_t func_no, EMMC_ERROR_CODE error_code)
+{
+
+ mmc_drv_obj.error_info.num = func_no;
+ mmc_drv_obj.error_info.code = (uint16_t) error_code;
+
+ ERROR("BL2: emmc err:func_no=0x%x code=0x%x\n", func_no, error_code);
+}
+
+void emmc_write_error_info_func_no(uint16_t func_no)
+{
+
+ mmc_drv_obj.error_info.num = func_no;
+
+ ERROR("BL2: emmc err:func_no=0x%x\n", func_no);
+}
+
+void emmc_make_nontrans_cmd(HAL_MEMCARD_COMMAND cmd, uint32_t arg)
+{
+ /* command information */
+ mmc_drv_obj.cmd_info.cmd = cmd;
+ mmc_drv_obj.cmd_info.arg = arg;
+ mmc_drv_obj.cmd_info.dir = HAL_MEMCARD_READ;
+ mmc_drv_obj.cmd_info.hw =
+ cmd_reg_hw[cmd & HAL_MEMCARD_COMMAND_INDEX_MASK];
+
+ /* clear data transfer information */
+ mmc_drv_obj.trans_size = 0;
+ mmc_drv_obj.remain_size = 0;
+ mmc_drv_obj.buff_address_virtual = NULL;
+ mmc_drv_obj.buff_address_physical = NULL;
+
+ /* response information */
+ mmc_drv_obj.response_length = 6;
+
+ switch (mmc_drv_obj.cmd_info.cmd & HAL_MEMCARD_RESPONSE_TYPE_MASK) {
+ case HAL_MEMCARD_RESPONSE_NONE:
+ mmc_drv_obj.response = (uint32_t *) mmc_drv_obj.response_data;
+ mmc_drv_obj.response_length = 0;
+ break;
+ case HAL_MEMCARD_RESPONSE_R1:
+ mmc_drv_obj.response = &mmc_drv_obj.r1_card_status;
+ break;
+ case HAL_MEMCARD_RESPONSE_R1b:
+ mmc_drv_obj.cmd_info.hw |= BIT10; /* bit10 = R1 busy bit */
+ mmc_drv_obj.response = &mmc_drv_obj.r1_card_status;
+ break;
+ case HAL_MEMCARD_RESPONSE_R2:
+ mmc_drv_obj.response = (uint32_t *) mmc_drv_obj.response_data;
+ mmc_drv_obj.response_length = 17;
+ break;
+ case HAL_MEMCARD_RESPONSE_R3:
+ mmc_drv_obj.response = &mmc_drv_obj.r3_ocr;
+ break;
+ case HAL_MEMCARD_RESPONSE_R4:
+ mmc_drv_obj.response = &mmc_drv_obj.r4_resp;
+ break;
+ case HAL_MEMCARD_RESPONSE_R5:
+ mmc_drv_obj.response = &mmc_drv_obj.r5_resp;
+ break;
+ default:
+ mmc_drv_obj.response = (uint32_t *) mmc_drv_obj.response_data;
+ break;
+ }
+}
+
+void emmc_make_trans_cmd(HAL_MEMCARD_COMMAND cmd, uint32_t arg,
+ uint32_t *buff_address_virtual,
+ uint32_t len,
+ HAL_MEMCARD_OPERATION dir,
+ HAL_MEMCARD_DATA_TRANSFER_MODE transfer_mode)
+{
+ emmc_make_nontrans_cmd(cmd, arg); /* update common information */
+
+ /* for data transfer command */
+ mmc_drv_obj.cmd_info.dir = dir;
+ mmc_drv_obj.buff_address_virtual = buff_address_virtual;
+ mmc_drv_obj.buff_address_physical = buff_address_virtual;
+ mmc_drv_obj.trans_size = len;
+ mmc_drv_obj.remain_size = len;
+ mmc_drv_obj.transfer_mode = transfer_mode;
+}
+
+EMMC_ERROR_CODE emmc_send_idle_cmd(uint32_t arg)
+{
+ EMMC_ERROR_CODE result;
+ uint32_t freq;
+
+ /* initialize state */
+ mmc_drv_obj.mount = FALSE;
+ mmc_drv_obj.selected = FALSE;
+ mmc_drv_obj.during_transfer = FALSE;
+ mmc_drv_obj.during_cmd_processing = FALSE;
+ mmc_drv_obj.during_dma_transfer = FALSE;
+ mmc_drv_obj.dma_error_flag = FALSE;
+ mmc_drv_obj.force_terminate = FALSE;
+ mmc_drv_obj.state_machine_blocking = FALSE;
+
+ mmc_drv_obj.bus_width = HAL_MEMCARD_DATA_WIDTH_1_BIT;
+ mmc_drv_obj.max_freq = MMC_20MHZ; /* 20MHz */
+ mmc_drv_obj.current_state = EMMC_R1_STATE_IDLE;
+
+ /* CMD0 (MMC clock is current frequency. if Data transfer mode, 20MHz or higher.) */
+ emmc_make_nontrans_cmd(CMD0_GO_IDLE_STATE, arg); /* CMD0 */
+ result = emmc_exec_cmd(EMMC_R1_ERROR_MASK, mmc_drv_obj.response);
+ if (result != EMMC_SUCCESS) {
+ return result;
+ }
+
+ /* change MMC clock(400KHz) */
+ freq = MMC_400KHZ;
+ result = emmc_set_request_mmc_clock(&freq);
+ if (result != EMMC_SUCCESS) {
+ return result;
+ }
+
+ return EMMC_SUCCESS;
+}