diff --git a/bsp/cvitek/cv18xx_aarch64/.config b/bsp/cvitek/cv18xx_aarch64/.config
index 0680d4a190..1ee98cb4a3 100644
--- a/bsp/cvitek/cv18xx_aarch64/.config
+++ b/bsp/cvitek/cv18xx_aarch64/.config
@@ -33,11 +33,14 @@ CONFIG_RT_TIMER_THREAD_STACK_SIZE=8192
 #
 # kservice optimization
 #
-CONFIG_RT_KSERVICE_USING_STDLIB=y
-# CONFIG_RT_KSERVICE_USING_STDLIB_MEMORY is not set
-# CONFIG_RT_KSERVICE_USING_TINY_SIZE is not set
 # CONFIG_RT_USING_TINY_FFS is not set
-CONFIG_RT_KPRINTF_USING_LONGLONG=y
+
+#
+# klibc optimization
+#
+# CONFIG_RT_KLIBC_USING_STDLIB is not set
+# CONFIG_RT_KLIBC_USING_TINY_SIZE is not set
+CONFIG_RT_KLIBC_USING_PRINTF_LONGLONG=y
 CONFIG_RT_USING_DEBUG=y
 CONFIG_RT_DEBUGING_COLOR=y
 CONFIG_RT_DEBUGING_CONTEXT=y
@@ -82,7 +85,7 @@ CONFIG_RT_USING_SCHED_THREAD_CTX=y
 CONFIG_RT_USING_CONSOLE=y
 CONFIG_RT_CONSOLEBUF_SIZE=256
 CONFIG_RT_CONSOLE_DEVICE_NAME="uart0"
-CONFIG_RT_VER_NUM=0x50100
+CONFIG_RT_VER_NUM=0x50200
 CONFIG_RT_USING_STDC_ATOMIC=y
 CONFIG_RT_BACKTRACE_LEVEL_MAX_NR=32
 
@@ -173,7 +176,7 @@ CONFIG_RT_USING_DFS_ROMFS=y
 #
 # Device Drivers
 #
-# CONFIG_RT_USING_DM is not set
+CONFIG_RT_USING_DM=y
 CONFIG_RT_USING_DEVICE_IPC=y
 CONFIG_RT_UNAMED_PIPE_NUMBER=64
 CONFIG_RT_USING_SYSTEM_WORKQUEUE=y
@@ -224,8 +227,14 @@ CONFIG_RT_USING_VIRTIO_CONSOLE=y
 CONFIG_RT_USING_VIRTIO_CONSOLE_PORT_MAX_NR=4
 CONFIG_RT_USING_VIRTIO_GPU=y
 CONFIG_RT_USING_VIRTIO_INPUT=y
+CONFIG_RT_USING_OFW=y
+# CONFIG_RT_USING_BUILTIN_FDT is not set
+CONFIG_RT_FDT_EARLYCON_MSG_SIZE=128
+# CONFIG_RT_USING_PIC is not set
 CONFIG_RT_USING_PIN=y
+# CONFIG_RT_USING_PINCTRL is not set
 CONFIG_RT_USING_KTIME=y
+CONFIG_RT_USING_CLK=y
 # CONFIG_RT_USING_HWTIMER is not set
 
 #
diff --git a/bsp/cvitek/cv18xx_aarch64/board/board.c b/bsp/cvitek/cv18xx_aarch64/board/board.c
index ce4eb86dd3..f2edb9b5cb 100644
--- a/bsp/cvitek/cv18xx_aarch64/board/board.c
+++ b/bsp/cvitek/cv18xx_aarch64/board/board.c
@@ -14,9 +14,16 @@
 #include <mm_page.h>
 #include <drv_uart.h>
 #include <gtimer.h>
+#include <setup.h>
 
 extern size_t MMUTable[];
 
+#ifndef RT_USING_OFW
+void idle_wfi(void)
+{
+    asm volatile("wfi");
+}
+
 #ifdef RT_USING_SMART
 struct mem_desc platform_mem_desc[] = {
     {KERNEL_VADDR_START, KERNEL_VADDR_START + 0x0FFFFFFF, (rt_size_t)ARCH_MAP_FAILED, NORMAL_MEM},
@@ -31,13 +38,6 @@ struct mem_desc platform_mem_desc[] =
 
 const rt_uint32_t platform_mem_desc_size = sizeof(platform_mem_desc) / sizeof(platform_mem_desc[0]);
 
-void idle_wfi(void)
-{
-    asm volatile("wfi");
-}
-
-static rt_ubase_t pinmux_base = RT_NULL;
-
 void rt_hw_board_init(void)
 {
 #ifdef RT_USING_SMART
@@ -76,6 +76,21 @@ void rt_hw_board_init(void)
     rt_components_board_init();
 #endif
 }
+#else
+void rt_hw_board_init(void)
+{
+    rt_fdt_commit_memregion_early(&(rt_region_t)
+    {
+        .name  = "memheap",
+        .start = (rt_size_t)rt_kmem_v2p((void *)HEAP_BEGIN),
+        .end   = (rt_size_t)rt_kmem_v2p((void *)HEAP_END),
+    }, RT_TRUE);
+
+    rt_hw_common_setup();
+}
+#endif /* RT_USING_OFW */
+
+static rt_ubase_t pinmux_base = RT_NULL;
 
 rt_ubase_t pinmux_base_ioremap(void)
 {
diff --git a/bsp/cvitek/cv18xx_aarch64/rtconfig.h b/bsp/cvitek/cv18xx_aarch64/rtconfig.h
index 55b52937fd..a4b7c61003 100644
--- a/bsp/cvitek/cv18xx_aarch64/rtconfig.h
+++ b/bsp/cvitek/cv18xx_aarch64/rtconfig.h
@@ -24,8 +24,10 @@
 
 /* kservice optimization */
 
-#define RT_KSERVICE_USING_STDLIB
-#define RT_KPRINTF_USING_LONGLONG
+
+/* klibc optimization */
+
+#define RT_KLIBC_USING_PRINTF_LONGLONG
 #define RT_USING_DEBUG
 #define RT_DEBUGING_COLOR
 #define RT_DEBUGING_CONTEXT
@@ -56,7 +58,7 @@
 #define RT_USING_CONSOLE
 #define RT_CONSOLEBUF_SIZE 256
 #define RT_CONSOLE_DEVICE_NAME "uart0"
-#define RT_VER_NUM 0x50100
+#define RT_VER_NUM 0x50200
 #define RT_USING_STDC_ATOMIC
 #define RT_BACKTRACE_LEVEL_MAX_NR 32
 
@@ -122,6 +124,7 @@
 
 /* Device Drivers */
 
+#define RT_USING_DM
 #define RT_USING_DEVICE_IPC
 #define RT_UNAMED_PIPE_NUMBER 64
 #define RT_USING_SYSTEM_WORKQUEUE
@@ -145,8 +148,11 @@
 #define RT_USING_VIRTIO_CONSOLE_PORT_MAX_NR 4
 #define RT_USING_VIRTIO_GPU
 #define RT_USING_VIRTIO_INPUT
+#define RT_USING_OFW
+#define RT_FDT_EARLYCON_MSG_SIZE 128
 #define RT_USING_PIN
 #define RT_USING_KTIME
+#define RT_USING_CLK
 
 /* Using USB */
 
diff --git a/bsp/cvitek/drivers/drv_uart.c b/bsp/cvitek/drivers/drv_uart.c
index 845e6708f6..ed482b2142 100644
--- a/bsp/cvitek/drivers/drv_uart.c
+++ b/bsp/cvitek/drivers/drv_uart.c
@@ -252,45 +252,45 @@ int rt_hw_uart_init(void)
     PINMUX_CONFIG(UART0_RX, UART0_RX);
     PINMUX_CONFIG(UART0_TX, UART0_TX);
     BSP_INSTALL_UART_DEVICE(0);
-#if defined(ARCH_ARM) && defined(RT_USING_SMART)
+#if defined(ARCH_ARM)
     uart->hw_base = (rt_size_t)rt_ioremap((void*)uart->hw_base, 0x10000);
-#endif /* defined(ARCH_ARM) && defined(RT_USING_SMART) */
+#endif /* defined(ARCH_ARM) */
 #endif
 
 #ifdef RT_USING_UART1
     PINMUX_CONFIG(IIC0_SDA, UART1_RX);
     PINMUX_CONFIG(IIC0_SCL, UART1_TX);
     BSP_INSTALL_UART_DEVICE(1);
-#if defined(ARCH_ARM) && defined(RT_USING_SMART)
+#if defined(ARCH_ARM)
     uart->hw_base = (rt_size_t)rt_ioremap((void*)uart->hw_base, 0x10000);
-#endif /* defined(ARCH_ARM) && defined(RT_USING_SMART) */
+#endif /* defined(ARCH_ARM) */
 #endif
 
 #ifdef RT_USING_UART2
     PINMUX_CONFIG(SD1_D1, UART2_RX);
     PINMUX_CONFIG(SD1_D2, UART2_TX);
     BSP_INSTALL_UART_DEVICE(2);
-#if defined(ARCH_ARM) && defined(RT_USING_SMART)
+#if defined(ARCH_ARM)
     uart->hw_base = (rt_size_t)rt_ioremap((void*)uart->hw_base, 0x10000);
-#endif /* defined(ARCH_ARM) && defined(RT_USING_SMART) */
+#endif /* defined(ARCH_ARM) */
 #endif
 
 #ifdef RT_USING_UART3
     PINMUX_CONFIG(SD1_D1, UART3_RX);
     PINMUX_CONFIG(SD1_D2, UART3_TX);
     BSP_INSTALL_UART_DEVICE(3);
-#if defined(ARCH_ARM) && defined(RT_USING_SMART)
+#if defined(ARCH_ARM)
     uart->hw_base = (rt_size_t)rt_ioremap((void*)uart->hw_base, 0x10000);
-#endif /* defined(ARCH_ARM) && defined(RT_USING_SMART) */
+#endif /* defined(ARCH_ARM) */
 #endif
 
 #ifdef RT_USING_UART4
     PINMUX_CONFIG(SD1_GP0, UART4_RX);
     PINMUX_CONFIG(SD1_GP1, UART4_TX);
     BSP_INSTALL_UART_DEVICE(4);
-#if defined(ARCH_ARM) && defined(RT_USING_SMART)
+#if defined(ARCH_ARM)
     uart->hw_base = (rt_size_t)rt_ioremap((void*)uart->hw_base, 0x10000);
-#endif /* defined(ARCH_ARM) && defined(RT_USING_SMART) */
+#endif /* defined(ARCH_ARM) */
 #endif
 
     return 0;
diff --git a/bsp/cvitek/drivers/libraries/cv181x/pinctrl.h b/bsp/cvitek/drivers/libraries/cv181x/pinctrl.h
index 1f064ebd73..3026eabfa9 100755
--- a/bsp/cvitek/drivers/libraries/cv181x/pinctrl.h
+++ b/bsp/cvitek/drivers/libraries/cv181x/pinctrl.h
@@ -23,12 +23,12 @@
 #define  PAD_MIPI_TXM0__MIPI_TXM0 0
 #define  PAD_MIPI_TXP0__MIPI_TXP0 0
 
-#if defined(ARCH_ARM) && defined(RT_USING_SMART)
+#if defined(ARCH_ARM)
 extern rt_ubase_t pinmux_base_ioremap(void);
 #define PINMUX_BASE pinmux_base_ioremap()
 #else
 #define PINMUX_BASE 0x03001000
-#endif /* defined(ARCH_ARM) && defined(RT_USING_SMART) */
+#endif /* defined(ARCH_ARM) */
 #define PINMUX_MASK(PIN_NAME) FMUX_GPIO_FUNCSEL_##PIN_NAME##_MASK
 #define PINMUX_OFFSET(PIN_NAME) FMUX_GPIO_FUNCSEL_##PIN_NAME##_OFFSET
 #define PINMUX_VALUE(PIN_NAME, FUNC_NAME) PIN_NAME##__##FUNC_NAME