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xiaoxiang pushed a commit to branch master
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The following commit(s) were added to refs/heads/master by this push:
new ec84502e805 board/weact-stm32h743 Add sdcard support
ec84502e805 is described below
commit ec84502e805657c23e4d4082838be7dfd00cebb8
Author: Jorge Guzman <jorge....@gmail.com>
AuthorDate: Sun Jul 6 22:24:20 2025 -0300
board/weact-stm32h743 Add sdcard support
This commit adds SD card support to the WeAct STM32H743 board configuration.
The implementation enables the board to interface with SD cards through the
SDMMC peripheral, allowing file system operations and data storage
capabilities.
Signed-off-by: Jorge Guzman <jorge....@gmail.com>
---
.../arm/stm32h7/boards/weact-stm32h743/index.rst | 37 +++++
.../weact-stm32h743/configs/sdcard/defconfig | 69 +++++++++
boards/arm/stm32h7/weact-stm32h743/include/board.h | 57 ++++++--
.../arm/stm32h7/weact-stm32h743/src/CMakeLists.txt | 8 ++
boards/arm/stm32h7/weact-stm32h743/src/Makefile | 8 ++
.../stm32h7/weact-stm32h743/src/stm32_bringup.c | 18 +++
.../src/{stm32_bringup.c => stm32_dma_alloc.c} | 83 +++++++----
.../arm/stm32h7/weact-stm32h743/src/stm32_sdmmc.c | 158 +++++++++++++++++++++
.../stm32h7/weact-stm32h743/src/weact-stm32h743.h | 45 ++++++
9 files changed, 440 insertions(+), 43 deletions(-)
diff --git
a/Documentation/platforms/arm/stm32h7/boards/weact-stm32h743/index.rst
b/Documentation/platforms/arm/stm32h7/boards/weact-stm32h743/index.rst
index fe3ea48903a..ce3a8662c86 100644
--- a/Documentation/platforms/arm/stm32h7/boards/weact-stm32h743/index.rst
+++ b/Documentation/platforms/arm/stm32h7/boards/weact-stm32h743/index.rst
@@ -56,6 +56,28 @@ USART1
RX PB15
====== =====
+
+SDMMC
+======
+
+The WeAct STM32H743 has one SDCard slot connected as below:
+
+ ========== =====
+ SDMMC1 PINS
+ ========== =====
+ SDMMC_D0 PC8
+ SDMMC_D1 PC9
+ SDMMC_D2 PC10
+ SDMMC_D3 PC11
+ SDMMC_DK PC12
+ ========== =====
+
+ =============== =====
+ GPIO PINS
+ =============== =====
+ SDCARD_DETECTED PD4
+ =============== =====
+
==============
Each weact-stm32h743 configuration is maintained in a sub-directory and
@@ -95,3 +117,18 @@ After flashing and reboot your board you should see in your
dmesg logs::
You may need to press **ENTER** 3 times before the NSH show up.
+sdcard
+------
+
+Configures the NuttShell (nsh) and enables SD card support. The board has an
onboard microSD slot that should be
+automatically registered as the block device /dev/mmcsd0 when an SD card is
present.
+
+The SD card can then be mounted by the NSH commands::
+
+ nsh> mount -t vfat /dev/mmcsd0 /mnt
+ nsh> mount
+ nsh> echo "Hello World!!" > /mnt/test_file.txt
+ nhs> ls /mnt/
+ test_file.txt
+ nsh> cat /mnt/test_file.txt
+ Hello World!!
diff --git a/boards/arm/stm32h7/weact-stm32h743/configs/sdcard/defconfig
b/boards/arm/stm32h7/weact-stm32h743/configs/sdcard/defconfig
new file mode 100644
index 00000000000..6f890ee33d9
--- /dev/null
+++ b/boards/arm/stm32h7/weact-stm32h743/configs/sdcard/defconfig
@@ -0,0 +1,69 @@
+#
+# This file is autogenerated: PLEASE DO NOT EDIT IT.
+#
+# You can use "make menuconfig" to make any modifications to the installed
.config file.
+# You can then do "make savedefconfig" to generate a new defconfig file that
includes your
+# modifications.
+#
+# CONFIG_MMCSD_HAVE_WRITEPROTECT is not set
+# CONFIG_MMCSD_MMCSUPPORT is not set
+# CONFIG_STANDARD_SERIAL is not set
+# CONFIG_STM32H7_USE_LEGACY_PINMAP is not set
+CONFIG_ARCH="arm"
+CONFIG_ARCH_BOARD="weact-stm32h743"
+CONFIG_ARCH_BOARD_WEACT_STM32H743=y
+CONFIG_ARCH_CHIP="stm32h7"
+CONFIG_ARCH_CHIP_STM32H743VI=y
+CONFIG_ARCH_CHIP_STM32H7=y
+CONFIG_ARCH_CHIP_STM32H7_CORTEXM7=y
+CONFIG_ARCH_STACKDUMP=y
+CONFIG_ARMV7M_DCACHE=y
+CONFIG_ARMV7M_DCACHE_WRITETHROUGH=y
+CONFIG_ARMV7M_DTCM=y
+CONFIG_ARMV7M_ICACHE=y
+CONFIG_BOARD_LOOPSPERMSEC=43103
+CONFIG_BUILTIN=y
+CONFIG_DEBUG_SYMBOLS=y
+CONFIG_EXAMPLES_ALARM=y
+CONFIG_FAT_DMAMEMORY=y
+CONFIG_FAT_LCNAMES=y
+CONFIG_FAT_LFN=y
+CONFIG_FS_FAT=y
+CONFIG_FS_PROCFS=y
+CONFIG_GRAN=y
+CONFIG_GRAN_INTR=y
+CONFIG_INIT_ENTRYPOINT="nsh_main"
+CONFIG_INIT_STACKSIZE=4096
+CONFIG_INTELHEX_BINARY=y
+CONFIG_LIBM=y
+CONFIG_LINE_MAX=64
+CONFIG_MMCSD=y
+CONFIG_MMCSD_SDIO=y
+CONFIG_MMCSD_SDIOWAIT_WRCOMPLETE=y
+CONFIG_MM_REGIONS=4
+CONFIG_NSH_ARCHINIT=y
+CONFIG_NSH_BUILTIN_APPS=y
+CONFIG_NSH_DISABLE_IFUPDOWN=y
+CONFIG_NSH_FILEIOSIZE=512
+CONFIG_NSH_READLINE=y
+CONFIG_PREALLOC_TIMERS=4
+CONFIG_RAM_SIZE=245760
+CONFIG_RAM_START=0x20010000
+CONFIG_RAW_BINARY=y
+CONFIG_RR_INTERVAL=200
+CONFIG_RTC_ALARM=y
+CONFIG_RTC_DATETIME=y
+CONFIG_RTC_DRIVER=y
+CONFIG_SCHED_HPWORK=y
+CONFIG_SCHED_WAITPID=y
+CONFIG_SDMMC1_SDIO_MODE=y
+CONFIG_START_DAY=11
+CONFIG_START_MONTH=5
+CONFIG_START_YEAR=2024
+CONFIG_STM32H7_PWR=y
+CONFIG_STM32H7_RTC=y
+CONFIG_STM32H7_SDMMC1=y
+CONFIG_STM32H7_USART1=y
+CONFIG_SYSTEM_NSH=y
+CONFIG_TASK_NAME_SIZE=0
+CONFIG_USART1_SERIAL_CONSOLE=y
diff --git a/boards/arm/stm32h7/weact-stm32h743/include/board.h
b/boards/arm/stm32h7/weact-stm32h743/include/board.h
index b3dd715fa53..5acb6320bf8 100644
--- a/boards/arm/stm32h7/weact-stm32h743/include/board.h
+++ b/boards/arm/stm32h7/weact-stm32h743/include/board.h
@@ -141,19 +141,30 @@
#define STM32_PLLCFG_PLL2Q RCC_PLL2DIVR_Q2(40)
#define STM32_PLLCFG_PLL2R RCC_PLL2DIVR_R2(3)
-/* PLL3 */
-
-#define STM32_PLLCFG_PLL3CFG 0
-#define STM32_PLLCFG_PLL3M 0
-#define STM32_PLLCFG_PLL3N 0
-#define STM32_PLLCFG_PLL3P 0
-#define STM32_PLLCFG_PLL3Q 0
-#define STM32_PLLCFG_PLL3R 0
-
-#define STM32_VCO3_FREQUENCY
-#define STM32_PLL3P_FREQUENCY
-#define STM32_PLL3Q_FREQUENCY
-#define STM32_PLL3R_FREQUENCY
+/* PLL3 - 25 MHz input, enable DIVP, DIVQ, DIVR
+ *
+ * PLL3_VCO = (25 MHz / 1) * 35 = 875 MHz
+ *
+ * PLL3P = PLL3_VCO/2 = 875 MHz / 2 = 437.7 MHz
+ * PLL3Q = PLL3_VCO/1 = 875 MHz / 1 = 875 MHz
+ * PLL3R = PLL3_VCO/20 = 875 MHz / 20 = 43.75 MHz
+ */
+#define STM32_PLLCFG_PLL3CFG (RCC_PLLCFGR_PLL3VCOSEL_WIDE| \
+ RCC_PLLCFGR_PLL3RGE_8_16_MHZ| \
+ RCC_PLLCFGR_DIVP3EN| \
+ RCC_PLLCFGR_DIVQ3EN| \
+ RCC_PLLCFGR_DIVR3EN)
+
+#define STM32_PLLCFG_PLL3M RCC_PLLCKSELR_DIVM3(1)
+#define STM32_PLLCFG_PLL3N RCC_PLL3DIVR_N3(35)
+#define STM32_PLLCFG_PLL3P RCC_PLL3DIVR_P3(2)
+#define STM32_PLLCFG_PLL3Q RCC_PLL3DIVR_Q3(1)
+#define STM32_PLLCFG_PLL3R RCC_PLL3DIVR_R3(20)
+
+#define STM32_VCO3_FREQUENCY ((STM32_HSE_FREQUENCY / 1) * 35)
+#define STM32_PLL3P_FREQUENCY (STM32_VCO3_FREQUENCY / 2)
+#define STM32_PLL3Q_FREQUENCY (STM32_VCO3_FREQUENCY / 1)
+#define STM32_PLL3R_FREQUENCY (STM32_VCO3_FREQUENCY / 20)
/* SYSCLK = PLL1P = 480 MHz
* CPUCLK = SYSCLK / 1 = 480 MHz
@@ -165,7 +176,7 @@
/* Configure Clock Assignments */
-/* AHB clock (HCLK) is SYSCLK/2 (480 MHz max)
+/* AHB clock (HCLK) is SYSCLK/2 (240 MHz max)
* HCLK1 = HCLK2 = HCLK3 = HCLK4
*/
@@ -248,6 +259,17 @@
#define STM32_RCC_D3CCIPR_ADCSRC RCC_D3CCIPR_ADCSEL_PLL2
+/* FDCAN 1 2 clock source, use STM32_HSE_FREQUENCY */
+
+#define STM32_RCC_D2CCIP1R_FDCANSEL RCC_D2CCIP1R_FDCANSEL_HSE
+
+/* SDMMC 1 2 clock source, use STM32_PLL1Q_FREQUENCY */
+
+#define STM32_RCC_D1CCIPR_SDMMCSEL RCC_D1CCIPR_SDMMC_PLL1
+
+/* FMC clock source, use STM32_PLL1Q_FREQUENCY */
+#define BOARD_FMC_CLK RCC_D1CCIPR_FMCSEL_HCLK
+
/* FLASH wait states
*
* ------------ ---------- -----------
@@ -285,6 +307,13 @@
#define STM32_SDMMC_CLKCR_EDGE STM32_SDMMC_CLKCR_NEGEDGE
+#define GPIO_SDMMC1_CK (GPIO_SDMMC1_CK_0|GPIO_SPEED_100MHz) /* PC12 */
+#define GPIO_SDMMC1_CMD (GPIO_SDMMC1_CMD_0|GPIO_SPEED_100MHz) /* PD2 */
+#define GPIO_SDMMC1_D0 (GPIO_SDMMC1_D0_0|GPIO_SPEED_100MHz) /* PC8 */
+#define GPIO_SDMMC1_D1 (GPIO_SDMMC1_D1_0|GPIO_SPEED_100MHz) /* PC9 */
+#define GPIO_SDMMC1_D2 (GPIO_SDMMC1_D2_0|GPIO_SPEED_100MHz) /* PC10 */
+#define GPIO_SDMMC1_D3 (GPIO_SDMMC1_D3_0|GPIO_SPEED_100MHz) /* PC11 */
+
/* LED definitions **********************************************************/
/* The board has 1 user LED that could be used this diagnostic LED too.
diff --git a/boards/arm/stm32h7/weact-stm32h743/src/CMakeLists.txt
b/boards/arm/stm32h7/weact-stm32h743/src/CMakeLists.txt
index 7245a37f209..e74471ede60 100644
--- a/boards/arm/stm32h7/weact-stm32h743/src/CMakeLists.txt
+++ b/boards/arm/stm32h7/weact-stm32h743/src/CMakeLists.txt
@@ -28,6 +28,14 @@ else()
list(APPEND SRCS stm32_userleds.c)
endif()
+if(CONFIG_STM32H7_SDMMC)
+ list(APPEND SRCS stm32_sdmmc.c)
+endif()
+
+if(CONFIG_FAT_DMAMEMORY)
+ list(APPEND SRCS stm32_dma_alloc.c)
+endif()
+
if(CONFIG_BOARDCTL)
list(APPEND SRCS stm32_appinitialize.c)
endif()
diff --git a/boards/arm/stm32h7/weact-stm32h743/src/Makefile
b/boards/arm/stm32h7/weact-stm32h743/src/Makefile
index d83fdda73d5..a4cd1ebebd8 100644
--- a/boards/arm/stm32h7/weact-stm32h743/src/Makefile
+++ b/boards/arm/stm32h7/weact-stm32h743/src/Makefile
@@ -30,6 +30,14 @@ else
CSRCS += stm32_userleds.c
endif
+ifeq ($(CONFIG_STM32H7_SDMMC),y)
+CSRCS += stm32_sdmmc.c
+endif
+
+ifeq ($(CONFIG_FAT_DMAMEMORY),y)
+CSRCS += stm32_dma_alloc.c
+endif
+
ifeq ($(CONFIG_BOARDCTL),y)
CSRCS += stm32_appinitialize.c
endif
diff --git a/boards/arm/stm32h7/weact-stm32h743/src/stm32_bringup.c
b/boards/arm/stm32h7/weact-stm32h743/src/stm32_bringup.c
index 75cbe0738a5..935b7bc5fda 100644
--- a/boards/arm/stm32h7/weact-stm32h743/src/stm32_bringup.c
+++ b/boards/arm/stm32h7/weact-stm32h743/src/stm32_bringup.c
@@ -78,5 +78,23 @@ int stm32_bringup(void)
}
#endif /* CONFIG_FS_PROCFS */
+#if defined(CONFIG_FAT_DMAMEMORY)
+ if (stm32_dma_alloc_init() < 0)
+ {
+ syslog(LOG_ERR, "DMA alloc FAILED");
+ }
+#endif
+
+#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/weact-stm32h743/src/stm32_bringup.c
b/boards/arm/stm32h7/weact-stm32h743/src/stm32_dma_alloc.c
similarity index 51%
copy from boards/arm/stm32h7/weact-stm32h743/src/stm32_bringup.c
copy to boards/arm/stm32h7/weact-stm32h743/src/stm32_dma_alloc.c
index 75cbe0738a5..64d466cd692 100644
--- a/boards/arm/stm32h7/weact-stm32h743/src/stm32_bringup.c
+++ b/boards/arm/stm32h7/weact-stm32h743/src/stm32_dma_alloc.c
@@ -1,5 +1,5 @@
/****************************************************************************
- * boards/arm/stm32h7/weact-stm32h743/src/stm32_bringup.c
+ * boards/arm/stm32h7/weact-stm32h743/src/stm32_dma_alloc.c
*
* SPDX-License-Identifier: Apache-2.0
*
@@ -25,58 +25,83 @@
****************************************************************************/
#include <nuttx/config.h>
-
-#include <sys/types.h>
#include <syslog.h>
+#include <stdint.h>
#include <errno.h>
+#include <nuttx/mm/gran.h>
-#include <arch/board/board.h>
+#include "weact-stm32h743.h"
-#include <nuttx/fs/fs.h>
+#if defined(CONFIG_FAT_DMAMEMORY)
-#include "weact-stm32h743.h"
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+#if !defined(CONFIG_GRAN)
+# error microSD DMA support requires CONFIG_GRAN
+#endif
-#include "stm32_gpio.h"
+#define BOARD_DMA_ALLOC_POOL_SIZE (8*512)
/****************************************************************************
- * Private Functions
+ * Private Data
****************************************************************************/
+static GRAN_HANDLE dma_allocator;
+
+/* The DMA heap size constrains the total number of things that can be
+ * ready to do DMA at a time.
+ *
+ * For example, FAT DMA depends on one sector-sized buffer per
+ * filesystem plus one sector-sized buffer per file.
+ *
+ * We use a fundamental alignment / granule size of 64B; this is
+ * sufficient to guarantee alignment for the largest STM32 DMA burst
+ * (16 beats x 32bits).
+ */
+
+static uint8_t g_dma_heap[BOARD_DMA_ALLOC_POOL_SIZE]
+ aligned_data(64);
+
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
- * Name: stm32_bringup
+ * Name: stm32_dma_alloc_init
*
* Description:
- * Perform architecture-specific initialization
- *
- * CONFIG_BOARD_LATE_INITIALIZE=y :
- * Called from board_late_initialize().
- *
- * CONFIG_BOARD_LATE_INITIALIZE=n && CONFIG_BOARDCTL=y &&
- * CONFIG_NSH_ARCHINIT:
- * Called from the NSH library
+ * All boards may optionally provide this API to instantiate a pool of
+ * memory for uses with FAST FS DMA operations.
*
****************************************************************************/
-int stm32_bringup(void)
+int stm32_dma_alloc_init(void)
{
- int ret = OK;
-
- UNUSED(ret);
-
-#ifdef CONFIG_FS_PROCFS
- /* Mount the procfs file system */
+ dma_allocator = gran_initialize(g_dma_heap,
+ sizeof(g_dma_heap),
+ 7, /* 128B granule - must be > alignment
(XXX bug?) */
+ 6); /* 64B alignment */
- ret = nx_mount(NULL, STM32_PROCFS_MOUNTPOINT, "procfs", 0, NULL);
- if (ret < 0)
+ if (dma_allocator == NULL)
{
- syslog(LOG_ERR,
- "ERROR: Failed to mount the PROC filesystem: %d\n", ret);
+ return -ENOMEM;
}
-#endif /* CONFIG_FS_PROCFS */
return OK;
}
+
+/* DMA-aware allocator stubs for the FAT filesystem. */
+
+void *fat_dma_alloc(size_t size)
+{
+ return gran_alloc(dma_allocator, size);
+}
+
+void fat_dma_free(void *memory, size_t size)
+{
+ gran_free(dma_allocator, memory, size);
+}
+
+#endif /* CONFIG_FAT_DMAMEMORY */
diff --git a/boards/arm/stm32h7/weact-stm32h743/src/stm32_sdmmc.c
b/boards/arm/stm32h7/weact-stm32h743/src/stm32_sdmmc.c
new file mode 100644
index 00000000000..21923e7cc5d
--- /dev/null
+++ b/boards/arm/stm32h7/weact-stm32h743/src/stm32_sdmmc.c
@@ -0,0 +1,158 @@
+/****************************************************************************
+ * boards/arm/stm32h7/weact-stm32h743/src/stm32_sdmmc.c
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership. The
+ * ASF licenses this file to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the
+ * License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * 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 "weact-stm32h743.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 struct sdio_dev_s *g_sdio_dev;
+#ifdef HAVE_NCD
+static bool g_sd_inserted;
+#endif
+
+/****************************************************************************
+ * Private Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: stm32_ncd_interrupt
+ *
+ * Description:
+ * Card detect interrupt handler.
+ *
+ ****************************************************************************/
+
+#ifdef HAVE_NCD
+static int stm32_ncd_interrupt(int irq, void *context, 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
+ /* Configure the card detect GPIO */
+
+ stm32_configgpio(GPIO_SDIO_NCD);
+
+ /* Register an interrupt handler for the card detect pin */
+
+ 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 */
+
+ g_sd_inserted = stm32_gpioread(GPIO_SDIO_NCD);
+ finfo("Card detect : %d\n", g_sd_inserted);
+
+ sdio_mediachange(g_sdio_dev, g_sd_inserted);
+#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/weact-stm32h743/src/weact-stm32h743.h
b/boards/arm/stm32h7/weact-stm32h743/src/weact-stm32h743.h
index 45f6c29b4fa..cafd40a9f78 100644
--- a/boards/arm/stm32h7/weact-stm32h743/src/weact-stm32h743.h
+++ b/boards/arm/stm32h7/weact-stm32h743/src/weact-stm32h743.h
@@ -115,6 +115,24 @@
#define GPIO_BTN_USER (GPIO_INPUT | GPIO_FLOAT | GPIO_EXTI | GPIO_PORTC |
GPIO_PIN13)
+/* SD Card
+ *
+ * PD4 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 GPIO_SDIO_NCD
(GPIO_INPUT|GPIO_FLOAT|GPIO_EXTI|GPIO_PORTD|GPIO_PIN4) /* PD4 */
+
+#define SDIO_SLOTNO 0
+#define SDIO_MINOR 0
+
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
@@ -136,4 +154,31 @@
int stm32_bringup(void);
+/****************************************************************************
+ * Name: stm32_dma_alloc_init
+ *
+ * Description:
+ * Called to create a FAT DMA allocator.
+ *
+ * Returned Value:
+ * 0 on success or -ENOMEM
+ *
+ ****************************************************************************/
+
+#if defined (CONFIG_FAT_DMAMEMORY)
+int stm32_dma_alloc_init(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_WEACT_STM32H743_SRC_WEACT_STM32H743_H */
