diff --git a/drivers/renesas/rcar/emmc/emmc_init.c b/drivers/renesas/rcar/emmc/emmc_init.c
new file mode 100644
index 0000000..386fb1e
--- /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;
+}