diff --git a/bsp/dev3210/application.c b/bsp/dev3210/application.c
index 0d2fe9cbdf..5791d6eaa1 100644
--- a/bsp/dev3210/application.c
+++ b/bsp/dev3210/application.c
@@ -12,43 +12,19 @@
  * 2010-06-25     Bernard      first version
  */
 
-/**
- * @addtogroup Loongson SoC3210
- */
-/*@{*/
 #include <rtthread.h>
 #include <soc3210.h>
 
-struct rt_thread thread;
-ALIGN(4)
-rt_uint8_t thread_stack[1024];
-
-#include <finsh.h>
-void thread_entry(void* parameter)
-{
-	int i = 0;
-
-	while (1)
-	{
-		rt_kprintf("i = %d, cause: 0x%08x, config: 0x%08x\n", i++, read_c0_cause(), read_c0_config());
-		rt_kprintf("HSB_MISC_CFG 0x%08x\n", HSB_MISC_REG);
-		rt_thread_delay(100);
-	}
-}
-void thread_test()
-{
-	rt_err_t result = rt_thread_init(&thread, 
-		"tid", 
-		thread_entry, RT_NULL,
-		&thread_stack, sizeof(thread_stack), 
-		200,
-		5);
-	if (result == RT_EOK)
-		rt_thread_startup(&thread);
-	else
-		rt_kprintf("init thread failed\n");
-}
-FINSH_FUNCTION_EXPORT(thread_test, test thread!!);
+#ifdef RT_USING_DFS
+#include <dfs.h>
+#include <dfs_elm.h>
+#ifdef RT_USING_DFS_ROMFS
+#include <dfs_romfs.h>
+#endif
+#ifdef RT_USING_DFS_DEVFS
+#include <devfs.h>
+#endif
+#endif
 
 #ifdef RT_USING_RTGUI
 #include <rtgui/rtgui.h>
@@ -56,32 +32,87 @@ FINSH_FUNCTION_EXPORT(thread_test, test thread!!);
 #include <rtgui/rtgui_server.h>
 #endif
 
+void rt_init_thread_entry(void* parameter)
+{
+	/* Filesystem Initialization */
+#ifdef RT_USING_DFS
+	{
+		/* init the device filesystem */
+		dfs_init();
+
+#if defined(RT_USING_DFS_ROMFS)
+		dfs_romfs_init();
+		if (dfs_mount(RT_NULL, "/", "rom", 0, &romfs_root) == 0)
+		{
+			rt_kprintf("ROM File System initialized!\n");
+		}
+		else
+			rt_kprintf("ROM File System initialzation failed!\n");
+#endif
+
+#if defined(RT_USING_DFS_ELMFAT)
+		/* init the elm chan FatFs filesystam*/
+		elm_init();
+		/* mount sd card fat partition 1 as root directory */
+		if (dfs_mount("sd0", "/sd", "elm", 0, 0) == 0)
+		{
+			rt_kprintf("File System initialized!\n");
+		}
+		else
+			rt_kprintf("File System initialzation failed!\n");
+#endif
+
+#if defined(RT_USING_DFS_DEVFS)
+		devfs_init();
+		if (dfs_mount(RT_NULL, "/dev", "devfs", 0, 0) == 0)
+			rt_kprintf("Device File System initialized!\n");
+		else
+			rt_kprintf("Device File System initialzation failed!\n");
+
+		#ifdef RT_USING_NEWLIB
+		/* init libc */
+		libc_system_init("uart");
+		rt_kprintf("libc init done\n");
+		#endif
+#endif
+	}
+#endif
+
+#ifdef RT_USING_RTGUI
+	{
+		rtgui_rect_t rect;
+
+		rtgui_system_server_init();
+
+		/* register dock panel */
+		rect.x1 = 0;
+		rect.y1 = 0;
+		rect.x2 = 400;
+		rect.y2 = 480;
+		rtgui_panel_register("panel", &rect);
+
+		/* register main panel */
+		rect.x1 = 400;
+		rect.y1 = 0;
+		rect.x2 = 800;
+		rect.y2 = 480;
+		rtgui_panel_register("main", &rect);
+		rtgui_panel_set_default_focused("main");
+
+		rt_hw_lcd_init();
+	}
+#endif
+}
+
 int rt_application_init()
 {
-#ifdef RT_USING_RTGUI
-	rtgui_rect_t rect;
+	rt_thread_t tid;
 
-	rtgui_system_server_init();
-
-	/* register dock panel */
-	rect.x1 = 0;
-	rect.y1 = 0;
-	rect.x2 = 400;
-	rect.y2 = 480;
-	rtgui_panel_register("panel", &rect);
-
-	/* register main panel */
-	rect.x1 = 400;
-	rect.y1 = 0;
-	rect.x2 = 800;
-	rect.y2 = 480;
-	rtgui_panel_register("main", &rect);
-	rtgui_panel_set_default_focused("main");
-
-	rt_hw_lcd_init();
-#endif
+	/* create initialization thread */
+	tid = rt_thread_create("init",
+								rt_init_thread_entry, RT_NULL,
+								4096, 8, 20);
+	if (tid != RT_NULL) rt_thread_startup(tid);
 
 	return 0;
 }
-
-/*@}*/
diff --git a/bsp/dev3210/rtconfig.h b/bsp/dev3210/rtconfig.h
index 9b507d266b..945affa405 100644
--- a/bsp/dev3210/rtconfig.h
+++ b/bsp/dev3210/rtconfig.h
@@ -53,6 +53,7 @@
 
 /* Using SLAB MM */
 #define RT_USING_SLAB
+/* #define RT_USING_SMALL_MEM */
 
 /* SECTION: Device System */
 /* Using Device System */
@@ -68,8 +69,8 @@
 
 /* SECTION: the runtime libc library */
 /* the runtime libc library */
-#define RT_USING_NEWLIB
-#define RT_USING_PTHREADS
+/* #define RT_USING_NEWLIB */
+/* #define RT_USING_PTHREADS */
 
 /* SECTION: finsh, a C-Express shell */
 /* Using FinSH as Shell*/
@@ -81,8 +82,9 @@
 
 /* SECTION: device filesystem support */
 #define RT_USING_DFS
-#define RT_USING_DFS_ELMFAT
+/* #define RT_USING_DFS_ELMFAT */
 #define RT_USING_DFS_ROMFS
+/* #define RT_USING_DFS_DEVFS */
 
 /* the max number of mounted filesystem */
 #define DFS_FILESYSTEMS_MAX			2
@@ -90,6 +92,8 @@
 #define DFS_FD_MAX					4
 /* the max number of cached sector 		*/
 #define DFS_CACHE_MAX_NUM   		4
+/* Using working directory */
+#define DFS_USING_WORKDIR
 
 /* SECTION: lwip, a lighwight TCP/IP protocol stack */
 /* #define RT_USING_LWIP */
diff --git a/bsp/dev3210/startup.c b/bsp/dev3210/startup.c
index 8b38099c6f..5312814582 100644
--- a/bsp/dev3210/startup.c
+++ b/bsp/dev3210/startup.c
@@ -29,20 +29,6 @@ extern unsigned char __bss_end;
 
 extern int rt_application_init(void);
 
-void dump_mem(const unsigned char* addr)
-{
-	int size;
-	rt_kprintf("---- memory: 0x%08x ----\n", addr);
-	for (size = 0; size < 32 * 4; size ++)
-	{
-		rt_kprintf("%02x ", (*addr) & 0xff);
-		addr ++;
-		if ((size + 1) % 16 == 0)
-			rt_kprintf("\n");
-	}
-	rt_kprintf("\n");
-}
-
 extern void tlb_refill_exception(void);
 extern void general_exception(void);
 extern void irq_exception(void);