BernardXiong · Oct 18, 2026 · Oct 18, 2026 · Oct 18, 2026 · Oct 18, 2026 · Oct 18, 2026
diff --git a/bsp/k230/.config b/bsp/k230/.config
diff --git a/bsp/k230/Kconfig b/bsp/k230/Kconfig
@@ -10,14 +10,26 @@ source "$RTT_DIR/Kconfig"
 source "$PKGS_DIR/Kconfig"
 rsource "board/Kconfig"
 
+choice
+    prompt "SoC variant"
+    default SOC_K230
+
+config SOC_K230
+    bool "K230"
+
+config SOC_K230D
+    bool "K230D (128MB DDR)"
+endchoice
+
 config BOARD_C908
     bool
     select ARCH_RISCV64
     select RT_USING_COMPONENTS_INIT
     select RT_USING_USER_MAIN
     select RT_USING_CACHE
-	select ARCH_MM_MMU
+    select ARCH_MM_MMU
     select ARCH_RISCV_FPU
+    select ARCH_RISCV_XUANTIE
     select ARCH_REMAP_KERNEL if RT_USING_SMART
     default y
 
@@ -33,6 +45,10 @@ choice BSP_ROOTFS_TYPE
         bool "Use Elm-chan FAT File-System"
         select RT_USING_DFS_ELMFAT
 
+    config BSP_ROOTFS_TYPE_EXT4
+        bool "Use Ext4 File-System"
+        select PKG_USING_LWEXT4
+
     config BSP_ROOTFS_TYPE_CROMFS
         bool "Use Compressed ROM File-System (ReadOnly)"
         select RT_USING_DFS_CROMFS

diff --git a/bsp/k230/SConstruct b/bsp/k230/SConstruct
@@ -38,10 +38,8 @@ TARGET = 'rtthread.' + rtconfig.TARGET_EXT
 options = LocalOptions("rtconfig.h")
 soft_fpu = GetLocalDepend(options, 'BSP_RISCV_FPU_SOFT')
 if soft_fpu:
-    rtconfig.DEVICE = rtconfig.DEVICE.replace('-march=rv64imafdcv -mabi=lp64d', '-march=rv64imafdc -mabi=lp64')
-    rtconfig.CFLAGS = rtconfig.CFLAGS.replace('-march=rv64imafdcv -mabi=lp64d', '-march=rv64imafdc -mabi=lp64')
-    rtconfig.LFLAGS = rtconfig.LFLAGS.replace('-march=rv64imafdcv -mabi=lp64d', '-march=rv64imafdc -mabi=lp64')
-    rtconfig.AFLAGS = rtconfig.AFLAGS.replace('-march=rv64imafdcv -mabi=lp64d', '-march=rv64imafdc -mabi=lp64')
+    for name in ('DEVICE', 'CFLAGS', 'LFLAGS', 'AFLAGS'):
+        setattr(rtconfig, name, getattr(rtconfig, name).replace('-march=rv64imafdcv', '-march=rv64imafdc'))
 
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],

diff --git a/bsp/k230/applications/mnt.c b/bsp/k230/applications/mnt.c
@@ -24,25 +24,51 @@ static int mnt_cromfs(void)
 }
 #endif
 
+#ifdef RT_USING_DFS_PTYFS
+static int mnt_ptyfs(void)
+{
+    mkdir("/dev/pts", 0755);
+
+    if (dfs_mount(RT_NULL, "/dev/pts", "ptyfs", 0, RT_NULL) != RT_EOK)
+    {
+        rt_kprintf("ptyfs mounted on /dev/pts failed!\n");
+        return -RT_ERROR;
+    }
+
+    rt_kprintf("ptyfs mounted on /dev/pts success!\n");
+    return RT_EOK;
+}
+#endif
+
 int mnt_init(void)
 {
-#if defined(BSP_USING_SDIO) && defined(BSP_ROOTFS_TYPE_ELMFAT)
-    int timeout = 50; // Timeout after 50 iterations (5 seconds if each iteration waits 100ms)
+#if defined(BSP_USING_SDIO) && \
+    (defined(BSP_ROOTFS_TYPE_ELMFAT) || defined(BSP_ROOTFS_TYPE_EXT4))
+    int timeout = 50;
+    const char *filesystem;
+
+#ifdef BSP_ROOTFS_TYPE_EXT4
+    filesystem = "ext";
+#else
+    filesystem = "elm";
+#endif
+
     while (mmcsd_wait_cd_changed(100) != MMCSD_HOST_PLUGED)
     {
         if (--timeout <= 0)
         {
             rt_kprintf("Timeout waiting for MMCSD host to be plugged!\n");
-            return -1; // Return an error code to indicate failure
+            return -1;
         }
-        rt_thread_mdelay(100); // Yield to the scheduler
+        rt_thread_mdelay(100);
     }
 
-    if (dfs_mount(BSP_SD_MNT_DEVNAME, "/", "elm", 0, 0) != 0)
+    if (dfs_mount(BSP_SD_MNT_DEVNAME, "/", filesystem, 0, 0) != 0)
     {
         rt_kprintf("%s mounted on / failed!\n", BSP_SD_MNT_DEVNAME);
     }
-    else {
+    else
+    {
         rt_kprintf("%s mounted on / success!\n", BSP_SD_MNT_DEVNAME);
     }
 #endif
@@ -62,20 +88,31 @@ int mnt_init(void)
     }
 #endif
 
-    mkdir("/dev/shm", 0x777);
-
-    if (dfs_mount(RT_NULL, "/dev/shm", "tmp", 0, 0) != 0)
-    {
-        rt_kprintf("tmpfs mounted on /dev/shm failed!\n");
-    }
-    else {
-        rt_kprintf("tmpfs mounted on /dev/shm success!\n");
-    }
+#ifdef RT_USING_DFS_PTYFS
+    (void)mnt_ptyfs();
+#endif
 
     rt_kprintf("file system initialization done!\n");
 
     return 0;
 }
 INIT_ENV_EXPORT(mnt_init);
 
+#if defined(RT_USING_DFS_PROCFS) && !defined(RT_USING_DM)
+static int mnt_procfs(void)
+{
+    mkdir("/proc", 0755);
+
+    if (dfs_mount(RT_NULL, "/proc", "procfs", 0, RT_NULL) != RT_EOK)
+    {
+        rt_kprintf("procfs mounted on /proc failed!\n");
+        return -RT_ERROR;
+    }
+
+    rt_kprintf("procfs mounted on /proc success!\n");
+    return RT_EOK;
+}
+INIT_FS_EXPORT(mnt_procfs);
+#endif
+
 #endif /* RT_USING_DFS */
diff --git a/bsp/k230/board/Kconfig b/bsp/k230/board/Kconfig
@@ -4,6 +4,11 @@ menu "Drivers Configuration"
         bool "Enable KPU and AI2D"
         default n
 
+    config BSP_USING_GPIO
+        bool "Enable GPIO"
+        select RT_USING_PIN
+        default n
+
     menuconfig BSP_USING_SPI
         bool "Enable SPI"
         select RT_USING_SPI
@@ -160,7 +165,7 @@ menu "Drivers Configuration"
 
             config BSP_SD_MNT_DEVNAME
                 string "The name of the SD-BlkDev to be mounted"
-                default "sd0p1"
+                default "sd0p0"
         endif
 
     menuconfig BSP_USING_TIMERS

diff --git a/bsp/k230/board/board.c b/bsp/k230/board/board.c
@@ -39,17 +39,14 @@ extern unsigned int __bss_end;
 #define RT_HW_PAGE_END      ((void *)(RAM_END))
 
 #ifdef RT_USING_SMART
-
 rt_region_t init_page_region = {(rt_size_t)RT_HW_PAGE_START, (rt_size_t)RT_HW_PAGE_END};
 
 extern size_t MMUTable[];
 
 struct mem_desc platform_mem_desc[] = {
     {KERNEL_VADDR_START, (rt_size_t)(KERNEL_VADDR_START + CONFIG_MEM_MMZ_BASE + CONFIG_MEM_MMZ_SIZE - 1), (rt_size_t)ARCH_MAP_FAILED, NORMAL_MEM},
 };
-
 #define NUM_MEM_DESC (sizeof(platform_mem_desc) / sizeof(platform_mem_desc[0]))
-
 #endif /* RT_USING_SMART */
 
 #ifndef ARCH_REMAP_KERNEL
@@ -76,34 +73,35 @@ static void __rt_assert_handler(const char *ex_string, const char *func, rt_size
     asm volatile("ebreak":::"memory");
 }
 
-//BSP的C入口
+/* C entry point, this gets called on primary CPU after stack setup. */
 void primary_cpu_entry(void)
 {
-    //关中断
     rt_hw_interrupt_disable();
+
+#ifdef RT_DEBUGING_ASSERT
     rt_assert_set_hook(__rt_assert_handler);
-    //启动RT-Thread Smart内核
+#endif
+
     entry();
 }
 
 #define IOREMAP_SIZE (1ul << 30)
 
-//这个初始化程序由内核主动调用，此时调度器还未启动，因此在此不能使用依赖线程上下文的函数
+/*
+ * This function is called by the kernel during initialization. At this point,
+ * the scheduler has not started, so functions that depend on thread context
+ * cannot be used.
+ */
 void rt_hw_board_init(void)
 {
 #ifdef RT_USING_SMART
-    /* init data structure */
     rt_hw_mmu_map_init(&rt_kernel_space, (void *)(IOREMAP_VEND - IOREMAP_SIZE), IOREMAP_SIZE, (rt_size_t *)MMUTable, PV_OFFSET);
-
-    /* init page allocator */
     rt_page_init(init_page_region);
 
-    /* setup region, and enable MMU */
     rt_hw_mmu_setup(&rt_kernel_space, platform_mem_desc, NUM_MEM_DESC);
 #endif
 
 #ifdef RT_USING_HEAP
-    /* initialize memory system */
     rt_system_heap_init(RT_HW_HEAP_BEGIN, RT_HW_HEAP_END);
 #endif
     /* initalize interrupt */

diff --git a/bsp/k230/board/board.h b/bsp/k230/board/board.h
@@ -20,9 +20,6 @@
  *
  * See K230 Technical Reference Manual, chapter 1.5 Address Space mapping
  */
-#define SRAM_BASE_ADDR              (0x80200000UL)
-#define SRAM_IO_SIZE                (0x00200000UL)
-
 #define KPU_BASE_ADDR               (0x80400000UL)
 #define KPU_IO_SIZE                 (0x00000800UL)
 
@@ -32,43 +29,15 @@
 #define AI2D_BASE_ADDR              (0x80400C00UL)
 #define AI2D_IO_SIZE                (0x00000400UL)
 
-#define GSDMA_BASE_ADDR             (0x80800000UL)
-#define GSDMA_IO_SIZE               (0x00004000UL)
-
 #define DMA_BASE_ADDR               (0x80804000UL)
 #define DMA_IO_SIZE                 (0x00004000UL)
 
-#define DECOMP_BASE_ADDR            (0x80808000UL)
-#define DECOMP_IO_SIZE              (0x00004000UL)
-
-#define NON_AI2D_BASE_ADDR          (0x8080C000UL)
-#define NON_AI2D_IO_SIZE            (0x00004000UL)
-
-#define ISP_BASE_ADDR               (0x90000000UL)
-#define ISP_IO_SIZE                 (0x00008000UL)
-
-#define DEWARP_BASE_ADDR            (0x90008000UL)
-#define DEWARP_IO_SIZE              (0x00001000UL)
-
-#define CSI_BASE_ADDR               (0x90009000UL)
-#define CSI_IO_SIZE                 (0x00002000UL)
-
-#define VPU_BASE_ADDR               (0x90400000UL)
-#define VPU_IO_SIZE                 (0x00010000UL)
-
-/*2.5D*/
-#define TAAH_GPU_BASE_ADDR          (0x90800000UL)
-#define TAAH_GPU_IO_SIZE            (0x00040000UL)
-
 #define VO_BASE_ADDR                (0x90840000UL)
 #define VO_IO_SIZE                  (0x00010000UL)
 
 #define DSI_BASE_ADDR               (0x90850000UL)
 #define DSI_IO_SIZE                 (0x00001000UL)
 
-#define GPU_ENGINE_BASE_ADDR        (0x90A00000UL)
-#define GPU_ENGINE_IO_SIZE          (0x00000800UL)
-
 #define PMU_BASE_ADDR               (0x91000000UL)
 #define PMU_IO_SIZE                 (0x00000C00UL)
 
@@ -105,18 +74,9 @@
 #define TS_BASE_ADDR                (0x91107000UL)
 #define TS_IO_SIZE                  (0x00000800UL)
 
-#define HDI_BASE_ADDR               (0x91107800UL)
-#define HDI_IO_SIZE                 (0x00000800UL)
-
 #define STC_BASE_ADDR               (0x91108000UL)
 #define STC_IO_SIZE                 (0x00001000UL)
 
-#define BOOTROM_BASE_ADDR           (0x91200000UL)
-#define BOOTROM_IO_SIZE             (0x00010000UL)
-
-#define SECURITY_BASE_ADDR          (0x91210000UL)
-#define SECURITY_IO_SIZE            (0x00008000UL)
-
 #define UART0_BASE_ADDR             (0x91400000UL)
 #define UART0_IO_SIZE               (0x00001000UL)
 
@@ -159,35 +119,10 @@
 #define ADC_BASE_ADDR               (0x9140D000UL)
 #define ADC_IO_SIZE                 (0x00001000UL)
 
-#define CODEC_BASE_ADDR             (0x9140E000UL)
-#define CODEC_IO_SIZE               (0x00001000UL)
-
-#define AUDIO_BASE_ADDR             (0x9140F000UL)
-#define AUDIO_IO_SIZE               (0x00001000UL)
-
-#define USB2_BASE_ADDR              (0x91500000UL)
-#define USB2_IO_SIZE                (0x00080000UL)
-
-#define SD_HC_BASE_ADDR             (0x91580000UL)
-#define SD_HC_IO_SIZE               (0x00002000UL)
-
 #define SPI_QOPI_BASE_ADDR          (0x91582000UL)
 #define SPI_QOPI_IO_SIZE            (0x00002000UL)
 
 #define SPI_OPI_BASE_ADDR           (0x91584000UL)
 #define SPI_OPI_IO_SIZE             (0x00001000UL)
 
-#define HI_SYS_CONFIG_BASE_ADDR     (0x91585000UL)
-#define HI_SYS_CONFIG_IO_SIZE       (0x00000400UL)
-
-#define DDRC_CONF_BASE_ADDR         (0x98000000UL)
-#define DDRC_CONF_IO_SIZE           (0x02000000UL)
-
-#define SPI_XIP_FLASH_BASE_ADDR     (0xC0000000UL)
-#define SPI_XIP_FLASH_IO_SIZE       (0x08000000UL)
-
-#define IO_SPACE_BASE_ADDR          (KPU_BASE_ADDR)
-
-#define TIMER_CLK_FREQ  (27000000)
-
 #endif // BOARD_H__
diff --git a/bsp/k230/board/mem_layout.h b/bsp/k230/board/mem_layout.h
@@ -26,7 +26,7 @@
  * | ......  | maybe zero
  * +---------+ <- CONFIG_MEM_RTSMART_SIZE
  * | guard   | MEM_GUARD_SIZE
- * +---------+ <- End of Kerenl
+ * +---------+ <- End of Kernel
  * |         |
  * |         |
  * +---------+
@@ -47,30 +47,35 @@
  * the SDK configuration.
  *
  * If CONFIG_XXX is defined, it means that the value comes from the SDK
- * configuration, otherwise the default configuration of bsp/k230 in RT-Thead
- * is used. The default configuration of bsp/k230 is for the 01Studio CanMV
- * development board that supports 512MB of memory.
+ * configuration, otherwise the default configuration defined in this file
+ * is used.
  */
+
+#if !defined(SOC_K230) && !defined(SOC_K230D)
+#error "Either SOC_K230 or SOC_K230D must be defined"
+#endif
+
+/* Standalone defaults for K230 and K230D boards with 128MB DDR. */
 #ifndef CONFIG_MEM_TOTAL_SIZE
-#define CONFIG_MEM_TOTAL_SIZE	0x20000000 // 512M
+#define CONFIG_MEM_TOTAL_SIZE 0x8000000 // 128M
 #endif
 
 #ifndef CONFIG_MEM_RTSMART_SIZE
-#define CONFIG_MEM_RTSMART_SIZE	0x10000000 // 256M
+#define CONFIG_MEM_RTSMART_SIZE 0x3A00000 // 58M
 #endif
 
 #ifndef CONFIG_MEM_RTSMART_HEAP_SIZE
-#define CONFIG_MEM_RTSMART_HEAP_SIZE	0x2000000 // 32M
+#define CONFIG_MEM_RTSMART_HEAP_SIZE 0x800000 // 8M
 #endif
 
 #ifndef CONFIG_MEM_MMZ_BASE
-#define CONFIG_MEM_MMZ_BASE	0x10000000 // 512M
+#define CONFIG_MEM_MMZ_BASE 0x3A00000 // 58M
 #endif
 
 #ifndef CONFIG_MEM_MMZ_SIZE
-#define CONFIG_MEM_MMZ_SIZE	0x10000000 // 256M
+#define CONFIG_MEM_MMZ_SIZE 0x4600000 // 70M
 #endif
 
 #define MEM_KERNEL_SIZE (CONFIG_MEM_RTSMART_SIZE - MEM_OPENSBI_SIZE - MEM_GUARD_SIZE)
 
-#endif // MEMORY_LAYOUT_H__
+#endif // MEMORY_LAYOUT_H__