[add] stm32 SDIO_MAX_FREQ option.If not defined, the default minimum value is 1000000 .

bsp/stm32/libraries/HAL_Drivers/drv_sdio.h

@@ -33,9 +33,12 @@
 #endif /*  defined(SOC_SERIES_STM32F1) || defined(SOC_SERIES_STM32F4) */
 
 #define SDIO_BUFF_SIZE       4096
-#define SDIO_MAX_FREQ        1000000
 #define SDIO_ALIGN_LEN       32
 
+#ifndef SDIO_MAX_FREQ
+#define SDIO_MAX_FREQ        (1000000)
+#endif
+
 #ifndef SDIO_BASE_ADDRESS
 #define SDIO_BASE_ADDRESS    (0x40012800U)
 #endif

bsp/stm32/stm32f407-atk-explorer/board/Kconfig

@@ -59,6 +59,12 @@ menu "Onboard Peripheral Drivers"
         select RT_USING_DFS
         select RT_USING_DFS_ELMFAT
         default n
+    if BSP_USING_SDCARD
+    config SDIO_MAX_FREQ
+        int "sdio max freq"
+        range 0 24000000
+        default 1000000
+    endif
 
 endmenu
 

bsp/stm32/stm32f469-st-disco/board/Kconfig

@@ -46,6 +46,12 @@ menu "Onboard Peripheral Drivers"
         select RT_USING_DFS_ELMFAT
         select RT_USING_PIN
         default n
+    if BSP_USING_SDCARD
+    config SDIO_MAX_FREQ
+        int "sdio max freq"
+        range 0 24000000
+        default 24000000
+    endif
         
     config BSP_USING_TOUCH
         bool "Enable TOUCH"