diff --git a/arch/arm/src/stm32h7/hardware/stm32_sdmmc.h b/arch/arm/src/stm32h7/hardware/stm32_sdmmc.h
index 752b226086a..5f56274098c 100644
--- a/arch/arm/src/stm32h7/hardware/stm32_sdmmc.h
+++ b/arch/arm/src/stm32h7/hardware/stm32_sdmmc.h
@@ -47,6 +47,8 @@
 
 #if defined(CONFIG_STM32H7_STM32H7X3XX)
 #  include "stm32h7x3xx_sdmmc.h"
+#elif defined(CONFIG_STM32H7_STM32H7X7XX)
+#  include "stm32h7x3xx_sdmmc.h"
 #else
 #  error "Unsupported STM32 H7 part"
 #endif
diff --git a/boards/arm/stm32h7/stm32h747i-disco/src/Makefile b/boards/arm/stm32h7/stm32h747i-disco/src/Makefile
index d82ebb10010..9518e4f363a 100644
--- a/boards/arm/stm32h7/stm32h747i-disco/src/Makefile
+++ b/boards/arm/stm32h7/stm32h747i-disco/src/Makefile
@@ -68,4 +68,8 @@ ifeq ($(CONFIG_LIB_BOARDCTL),y)
 CSRCS += stm32_appinitialize.c
 endif
 
+ifeq ($(CONFIG_STM32H7_SDMMC), y)
+CSRCS += stm32_sdmmc.c
+endif
+
 include $(TOPDIR)/boards/Board.mk
diff --git a/boards/arm/stm32h7/stm32h747i-disco/src/stm32_bringup.c b/boards/arm/stm32h7/stm32h747i-disco/src/stm32_bringup.c
index 80ae17a70af..28c19390f37 100644
--- a/boards/arm/stm32h7/stm32h747i-disco/src/stm32_bringup.c
+++ b/boards/arm/stm32h7/stm32h747i-disco/src/stm32_bringup.c
@@ -215,5 +215,15 @@ int stm32_bringup(void)
     }
 #endif /* CONFIG_ADC */
 
+#ifdef HAVE_SDIO
+  /* Initialize the SDIO block driver */
+
+  ret = stm32_sdio_initialize();
+  if (ret < 0)
+    {
+      syslog(LOG_ERR, "ERROR: Failed to initialize MMC/SD driver: %d\n", ret);
+    }
+#endif
+
   return OK;
 }
diff --git a/boards/arm/stm32h7/stm32h747i-disco/src/stm32_sdmmc.c b/boards/arm/stm32h7/stm32h747i-disco/src/stm32_sdmmc.c
new file mode 100644
index 00000000000..6546d690f13
--- /dev/null
+++ b/boards/arm/stm32h7/stm32h747i-disco/src/stm32_sdmmc.c
@@ -0,0 +1,175 @@
+/****************************************************************************
+ * boards/arm/stm32h7/stm32h747i-disco/src/stm32_sdmmc.c
+ *
+ *   Copyright (C) 2016-2019 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+#include <stdbool.h>
+#include <stdio.h>
+#include <debug.h>
+#include <errno.h>
+
+#include <nuttx/sdio.h>
+#include <nuttx/mmcsd.h>
+
+#include "stm32_gpio.h"
+#include "stm32_sdmmc.h"
+#include "stm32h747i-disco.h"
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+/* Configuration ************************************************************/
+
+/* Card detections requires card support and a card detection GPIO */
+
+#define HAVE_NCD   1
+#if !defined(HAVE_SDIO) || !defined(GPIO_SDIO_NCD)
+#  undef HAVE_NCD
+#endif
+
+/****************************************************************************
+ * Private Data
+ ****************************************************************************/
+
+static FAR struct sdio_dev_s *g_sdio_dev;
+#ifdef HAVE_NCD
+static bool g_sd_inserted = 0xff; /* Impossible value */
+#endif
+
+/****************************************************************************
+ * Private Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: stm32_ncd_interrupt
+ *
+ * Description:
+ *   Card detect interrupt handler.
+ *
+ ****************************************************************************/
+
+#ifdef HAVE_NCD
+static int stm32_ncd_interrupt(int irq, FAR void *context, FAR void *param)
+{
+  bool present;
+
+  present = !stm32_gpioread(GPIO_SDIO_NCD);
+  if (present != g_sd_inserted)
+    {
+      sdio_mediachange(g_sdio_dev, present);
+      g_sd_inserted = present;
+    }
+
+  return OK;
+}
+#endif
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: stm32_sdio_initialize
+ *
+ * Description:
+ *   Initialize SDIO-based MMC/SD card support
+ *
+ ****************************************************************************/
+
+int stm32_sdio_initialize(void)
+{
+  int ret;
+
+#ifdef HAVE_NCD
+  /* Card detect */
+
+  bool cd_status;
+
+  /* Configure the card detect GPIO */
+
+  stm32_configgpio(GPIO_SDIO_NCD);
+
+  /* Register an interrupt handler for the card detect pin */
+
+  (void)stm32_gpiosetevent(GPIO_SDIO_NCD, true, true, true,
+                           stm32_ncd_interrupt, NULL);
+#endif
+
+  /* Mount the SDIO-based MMC/SD block driver */
+
+  /* First, get an instance of the SDIO interface */
+
+  finfo("Initializing SDIO slot %d\n", SDIO_SLOTNO);
+
+  g_sdio_dev = sdio_initialize(SDIO_SLOTNO);
+  if (!g_sdio_dev)
+    {
+      ferr("ERROR: Failed to initialize SDIO slot %d\n", SDIO_SLOTNO);
+      return -ENODEV;
+    }
+
+  /* Now bind the SDIO interface to the MMC/SD driver */
+
+  finfo("Bind SDIO to the MMC/SD driver, minor=%d\n", SDIO_MINOR);
+
+  ret = mmcsd_slotinitialize(SDIO_MINOR, g_sdio_dev);
+  if (ret != OK)
+    {
+      ferr("ERROR: Failed to bind SDIO to the MMC/SD driver: %d\n", ret);
+      return ret;
+    }
+
+  finfo("Successfully bound SDIO to the MMC/SD driver\n");
+
+#ifdef HAVE_NCD
+  /* Use SD card detect pin to check if a card is g_sd_inserted */
+
+  cd_status = !stm32_gpioread(GPIO_SDIO_NCD);
+  finfo("Card detect : %d\n", cd_status);
+
+  sdio_mediachange(g_sdio_dev, cd_status);
+#else
+  /* Assume that the SD card is inserted.  What choice do we have? */
+
+  sdio_mediachange(g_sdio_dev, true);
+#endif
+
+  return OK;
+}
diff --git a/boards/arm/stm32h7/stm32h747i-disco/src/stm32h747i-disco.h b/boards/arm/stm32h7/stm32h747i-disco/src/stm32h747i-disco.h
index 7bc2e30ff57..a5c43ad716c 100644
--- a/boards/arm/stm32h7/stm32h747i-disco/src/stm32h747i-disco.h
+++ b/boards/arm/stm32h7/stm32h747i-disco/src/stm32h747i-disco.h
@@ -107,6 +107,19 @@
 
 #define GPIO_BTN_USER  (GPIO_INPUT | GPIO_FLOAT | GPIO_EXTI | GPIO_PORTC | GPIO_PIN13)
 
+/* SD/TF Card'detected pin */
+
+#if defined(CONFIG_STM32H7_SDMMC1)
+#  define HAVE_SDIO
+#endif
+
+#if defined(CONFIG_DISABLE_MOUNTPOINT) || !defined(CONFIG_MMCSD_SDIO)
+#  undef HAVE_SDIO
+#endif
+
+#define SDIO_SLOTNO        0
+#define SDIO_MINOR         0
+
 /****************************************************************************
  * Public Functions
  ****************************************************************************/
@@ -151,4 +164,16 @@ void stm32_spidev_initialize(void);
 int stm32_adc_setup(void);
 #endif
 
+/****************************************************************************
+ * Name: stm32_sdio_initialize
+ *
+ * Description:
+ *   Initialize SDIO-based MMC/SD card support
+ *
+ ****************************************************************************/
+
+#ifdef HAVE_SDIO
+int stm32_sdio_initialize(void);
+#endif
+
 #endif /* __BOARDS_ARM_STM32H7_STM32H747I_DISCO_SRC_STM32H747I_DISCO_H */