diff --git a/bsp/board/bl616dk/board.c b/bsp/board/bl616dk/board.c
index 6912facb..fc64af92 100644
--- a/bsp/board/bl616dk/board.c
+++ b/bsp/board/bl616dk/board.c
@@ -56,10 +56,10 @@ static void peripheral_clock_init(void)
 
     GLB_Set_UART_CLK(ENABLE, HBN_UART_CLK_XCLK, 0);
     GLB_Set_SPI_CLK(ENABLE, GLB_SPI_CLK_MCU_MUXPLL_160M, 0);
-
-    GLB_Set_ADC_CLK(1, GLB_ADC_CLK_XCLK, 0);
+    GLB_Set_I2C_CLK(ENABLE, GLB_I2C_CLK_XCLK, 0);
+    GLB_Set_ADC_CLK(ENABLE, GLB_ADC_CLK_XCLK, 0);
     GLB_Set_DIG_CLK_Sel(GLB_DIG_CLK_XCLK);
-    GLB_Set_DIG_512K_CLK(1, ENABLE, 0x4E);
+    GLB_Set_DIG_512K_CLK(ENABLE, ENABLE, 0x4E);
     GLB_Set_PWM1_IO_Sel(GLB_PWM1_IO_DIFF_END);
 
 #ifdef CONFIG_BSP_SDH_SDCARD
@@ -220,7 +220,9 @@ void board_i2c0_gpio_init()
     struct bflb_device_s *gpio;
 
     gpio = bflb_device_get_by_name("gpio");
+    /* I2C0_SDA */
     bflb_gpio_init(gpio, GPIO_PIN_11, GPIO_FUNC_I2C0 | GPIO_ALTERNATE | GPIO_PULLUP | GPIO_SMT_EN | GPIO_DRV_1);
+    /* I2C0_SCL */
     bflb_gpio_init(gpio, GPIO_PIN_16, GPIO_FUNC_I2C0 | GPIO_ALTERNATE | GPIO_PULLUP | GPIO_SMT_EN | GPIO_DRV_1);
 }
 
diff --git a/bsp/board/bl702dk/bl702_flash.ld b/bsp/board/bl702dk/bl702_flash.ld
index b29edb9d..e38fa3fe 100644
--- a/bsp/board/bl702dk/bl702_flash.ld
+++ b/bsp/board/bl702dk/bl702_flash.ld
@@ -36,8 +36,11 @@ SECTIONS
         . = ALIGN(4);
         __text_code_start__ = .;
 
-        KEEP (*(.text.metal.init.enter))
         KEEP (*(SORT_NONE(.init)))
+
+        *(.text)
+        *(.text.*)
+
         /* section information for shell */
         . = ALIGN(4);
         __fsymtab_start = .;
@@ -56,9 +59,6 @@ SECTIONS
         . = ALIGN(4);
         _usb_desc_end = .;
 
-        *(.text)
-        *(.text.*)
-
         /*put .rodata**/
         *(EXCLUDE_FILE( *bl702_glb*.o* \
                         *bl702_pds*.o* \
diff --git a/bsp/board/bl702dk/board.c b/bsp/board/bl702dk/board.c
index bf17c86b..1f3f550e 100644
--- a/bsp/board/bl702dk/board.c
+++ b/bsp/board/bl702dk/board.c
@@ -6,7 +6,6 @@
 #include "mmheap.h"
 #include "board.h"
 #include "bl702_glb.h"
-#include "bl702_pds.h"
 
 extern uint32_t __HeapBase;
 extern uint32_t __HeapLimit;
@@ -41,14 +40,14 @@ static void peripheral_clock_init(void)
     PERIPHERAL_CLOCK_I2S_ENABLE();
     PERIPHERAL_CLOCK_USB_ENABLE();
 
-    GLB_Set_UART_CLK(1, HBN_UART_CLK_96M, 0);
-    GLB_Set_SPI_CLK(1, 0);
-    GLB_Set_I2C_CLK(1, 0);
+    GLB_Set_UART_CLK(ENABLE, HBN_UART_CLK_96M, 0);
+    GLB_Set_SPI_CLK(ENABLE, 0);
+    GLB_Set_I2C_CLK(ENABLE, 0);
 
-    GLB_Set_ADC_CLK(1, GLB_ADC_CLK_XCLK, 0);
-    GLB_Set_DAC_CLK(1, GLB_DAC_CLK_XCLK, 0x3E);
+    GLB_Set_ADC_CLK(ENABLE, GLB_ADC_CLK_XCLK, 0);
+    GLB_Set_DAC_CLK(ENABLE, GLB_DAC_CLK_XCLK, 0x3E);
 
-    GLB_Set_USB_CLK(1);
+    GLB_Set_USB_CLK(ENABLE);
 }
 
 void bl_show_log(void)
@@ -124,7 +123,9 @@ void board_i2c0_gpio_init()
     struct bflb_device_s *gpio;
 
     gpio = bflb_device_get_by_name("gpio");
+    /* I2C0_SDA */
     bflb_gpio_init(gpio, GPIO_PIN_11, GPIO_FUNC_I2C0 | GPIO_ALTERNATE | GPIO_PULLUP | GPIO_SMT_EN | GPIO_DRV_1);
+    /* I2C0_SCL */
     bflb_gpio_init(gpio, GPIO_PIN_16, GPIO_FUNC_I2C0 | GPIO_ALTERNATE | GPIO_PULLUP | GPIO_SMT_EN | GPIO_DRV_1);
 }
 
diff --git a/bsp/board/bl808dk/board.c b/bsp/board/bl808dk/board.c
index 06ab19b9..f25b7360 100644
--- a/bsp/board/bl808dk/board.c
+++ b/bsp/board/bl808dk/board.c
@@ -63,13 +63,14 @@ static void peripheral_clock_init(void)
     PERIPHERAL_CLOCK_IR_ENABLE();
     PERIPHERAL_CLOCK_I2S_ENABLE();
 
-    GLB_Set_ADC_CLK(1, GLB_ADC_CLK_XCLK, 4);
+    GLB_Set_ADC_CLK(ENABLE, GLB_ADC_CLK_XCLK, 4);
     GLB_Set_UART_CLK(ENABLE, HBN_UART_CLK_XCLK, 0);
     GLB_Set_SPI_CLK(ENABLE, GLB_SPI_CLK_MCU_MUXPLL_160M, 0);
+    GLB_Set_I2C_CLK(ENABLE, GLB_I2C_CLK_XCLK, 0);
     GLB_Set_IR_CLK(ENABLE, GLB_IR_CLK_SRC_XCLK, 19);
-    GLB_Set_ADC_CLK(1, GLB_ADC_CLK_XCLK, 0);
+    GLB_Set_ADC_CLK(ENABLE, GLB_ADC_CLK_XCLK, 0);
     GLB_Set_DIG_CLK_Sel(GLB_DIG_CLK_XCLK);
-    GLB_Set_DIG_512K_CLK(1, ENABLE, 0x4E);
+    GLB_Set_DIG_512K_CLK(ENABLE, ENABLE, 0x4E);
     GLB_Set_PWM1_IO_Sel(GLB_PWM1_IO_DIFF_END);
 
 #ifdef CONFIG_BSP_SDH_SDCARD
@@ -233,7 +234,9 @@ void board_i2c0_gpio_init(void)
     struct bflb_device_s *gpio;
 
     gpio = bflb_device_get_by_name("gpio");
+    /* I2C0_SDA */
     bflb_gpio_init(gpio, GPIO_PIN_11, GPIO_FUNC_I2C0 | GPIO_ALTERNATE | GPIO_PULLUP | GPIO_SMT_EN | GPIO_DRV_1);
+    /* I2C0_SCL */
     bflb_gpio_init(gpio, GPIO_PIN_16, GPIO_FUNC_I2C0 | GPIO_ALTERNATE | GPIO_PULLUP | GPIO_SMT_EN | GPIO_DRV_1);
 }