[bsp/stm32l496_ali] add the on-chip flash

bsp/stm32/stm32l496-ali-developer/board/Kconfig

@@ -63,6 +63,14 @@ menu "On-chip Peripheral Drivers"
 
     config BSP_USING_ON_CHIP_FLASH
         bool "Enable on-chip FLASH"
+        select RT_USING_FAL
+        default n
+
+    config BSP_USING_ON_CHIP_FLASH_FATFS
+        bool "Enable onchip flash with FatFS"
+        depends on BSP_USING_ON_CHIP_FLASH
+        select RT_USING_DFS
+        select RT_USING_DFS_ELMFAT
         default n
 
     menuconfig BSP_USING_SPI

bsp/stm32/stm32l496-ali-developer/board/SConscript

@@ -18,6 +18,9 @@ if GetDepend(['BSP_USING_SPI_LCD']):
 if GetDepend(['BSP_USING_SDCARD']):
     src += Glob('ports/sdcard_port.c')
 
+if GetDepend(['BSP_USING_ON_CHIP_FLASH']):
+    src += Glob('mnt.c')
+
 path =  [cwd]
 path += [cwd + '/CubeMX_Config/Inc']
 path += [cwd + '/ports']

bsp/stm32/stm32l496-ali-developer/board/mnt.c

@@ -0,0 +1,52 @@
+/*
+ * Copyright (c) 2006-2022, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2022-06-08     supperthomas first version
+ */
+
+#include <rtthread.h>
+#include <rtdevice.h>
+
+#include "fal.h"
+#include <dfs_fs.h>
+
+#ifdef RT_USING_DFS
+#include <dfs_fs.h>
+
+int mnt_init(void)
+{
+#ifdef BSP_USING_ON_CHIP_FLASH
+    fal_init();
+
+#define FS_PARTITION_NAME "flash"
+    struct rt_device *mtd_dev;
+    mtd_dev = fal_blk_device_create(FS_PARTITION_NAME);
+    if (!mtd_dev)
+    {
+        rt_kprintf("Failed to create device.\n");
+    }
+#ifdef BSP_USING_ON_CHIP_FLASH_FATFS
+    if (dfs_mount(FS_PARTITION_NAME, "/", "elm", 0, 0) == 0)
+    {
+        rt_kprintf("Filesystem initialized!");
+    }
+    else
+    {
+        dfs_mkfs("elm", FS_PARTITION_NAME);
+        if (dfs_mount(FS_PARTITION_NAME, "/", "elm", 0, 0) != 0)
+        {
+            rt_kprintf("Failed to initialize filesystem!");
+        }
+    }
+#endif
+
+#endif
+    return 0;
+}
+INIT_ENV_EXPORT(mnt_init);
+#endif
+

bsp/stm32/stm32l496-ali-developer/board/ports/fal_cfg.h

@@ -27,8 +27,8 @@ extern const struct fal_flash_dev stm32_onchip_flash;
 /* partition table */
 #define FAL_PART_TABLE                                                            \
 {                                                                                 \
-    {FAL_PART_MAGIC_WROD, "app",   "onchip_flash",   0,           496 * 1024, 0}, \
-    {FAL_PART_MAGIC_WROD, "param", "onchip_flash",   496* 1024,   16 * 1024,  0}, \
+    {FAL_PART_MAGIC_WROD, "app",   "onchip_flash",   0,           512 * 1024, 0}, \
+    {FAL_PART_MAGIC_WROD, "flash", "onchip_flash",   512* 1024,   512 * 1024,  0}, \
 }
 #endif /* FAL_PART_HAS_TABLE_CFG */
 #endif /* _FAL_CFG_H_ */

bsp/stm32/stm32l496-st-nucleo/board/Kconfig

@@ -96,10 +96,15 @@ menu "On-chip Peripheral Drivers"
         endif
 
     config BSP_USING_ON_CHIP_FLASH
+        bool "Enable on-chip FLASH"
+        select RT_USING_FAL
+        default n
+
+    config BSP_USING_ON_CHIP_FLASH_FATFS
+        bool "Enable onchip flash with FatFS"
+        depends on BSP_USING_ON_CHIP_FLASH
         select RT_USING_DFS
         select RT_USING_DFS_ELMFAT
-        select RT_USING_FAL
-        bool "Enable on-chip FLASH"
         default n
 
     config BSP_USING_USBD

bsp/stm32/stm32l496-st-nucleo/board/mnt_onchip.c

@@ -19,10 +19,16 @@
 
 int mnt_init(void)
 {
+#ifdef BSP_USING_ON_CHIP_FLASH
     fal_init();
 #define FS_PARTITION_NAME "flash"
     struct rt_device *mtd_dev;
     mtd_dev = fal_blk_device_create(FS_PARTITION_NAME);
+    if (!mtd_dev)
+    {
+        rt_kprintf("Failed to create device.\n");
+    }
+#ifdef BSP_USING_ON_CHIP_FLASH_FATFS
     if (dfs_mount(FS_PARTITION_NAME, "/", "elm", 0, 0) == 0)
     {
         rt_kprintf("Filesystem initialized!");
@@ -35,7 +41,8 @@ int mnt_init(void)
             rt_kprintf("Failed to initialize filesystem!");
         }
     }
-
+#endif
+#endif
     return 0;
 }
 INIT_ENV_EXPORT(mnt_init);