diff --git a/examples/lighting-app/bouffalolab/bl602/BUILD.gn b/examples/lighting-app/bouffalolab/bl602/BUILD.gn
index 0a25abda2a2ce0..b24c8731b08efe 100644
--- a/examples/lighting-app/bouffalolab/bl602/BUILD.gn
+++ b/examples/lighting-app/bouffalolab/bl602/BUILD.gn
@@ -79,9 +79,9 @@ bl_iot_sdk("sdk") {
     "CHIP_SYSTEM_CRYPTO_HEADER_RESERVE_SIZE=48",
   ]
 
+  defines += [ "PW_RPC_ENABLED=${chip_enable_pw_rpc}" ]
   if (chip_enable_pw_rpc) {
     include_dirs += [ "${examples_plat_dir}/common/rpc" ]
-    defines += [ "PW_RPC_ENABLED=1" ]
     defines += [ "DISABLE_PRINT=1" ]
   } else if (chip_build_libshell) {
     include_dirs += [ "${examples_plat_dir}/common/plat" ]
@@ -101,26 +101,20 @@ bouffalolab_executable("lighting_app") {
   defines = [
     "APP_TASK_STACK_SIZE=2044",
     "CHIP_UART_BAUDRATE=${baudrate}",
-    "BL602_ENABLE=1",
     "START_ENTRY=bfl_main",
     "SYS_AOS_LOOP_ENABLE",
   ]
 
-  if (enable_debug_frame_ptr) {
-    defines += [ "CONF_ENABLE_FRAME_PTR=1" ]
-  }
-
   if (false == enable_reset_counter) {
     defines += [ "BOOT_PIN_RESET=8" ]
   }
 
-  if (chip_enable_factory_data) {
-    defines += [ "CONFIG_BOUFFALOLAB_FACTORY_DATA_ENABLE=1" ]
-  }
-
-  if (chip_enable_factory_data_test) {
-    defines += [ "CONFIG_BOUFFALOLAB_FACTORY_DATA_TEST=1" ]
-  }
+  defines += [ "CONF_ENABLE_FRAME_PTR=${enable_debug_frame_ptr}" ]
+  defines +=
+      [ "CONFIG_BOUFFALOLAB_FACTORY_DATA_ENABLE=${chip_enable_factory_data}" ]
+  defines += [
+    "CONFIG_BOUFFALOLAB_FACTORY_DATA_TEST=${chip_enable_factory_data_test}",
+  ]
 
   bl_plat_name = "bl602"
   sources = [
@@ -140,8 +134,8 @@ bouffalolab_executable("lighting_app") {
     "${example_dir}/common/ZclCallbacks.cpp",
     "${examples_plat_dir}/common/iot_sdk/aos_task.c",
     "${examples_plat_dir}/common/iot_sdk/demo_pwm.c",
-    "${examples_plat_dir}/common/iot_sdk/platform_port.c",
-    "${examples_plat_dir}/common/iot_sdk/uart.c",
+    "${examples_plat_dir}/common/iot_sdk/platform_port.cpp",
+    "${examples_plat_dir}/common/iot_sdk/uart.cpp",
     "${examples_plat_dir}/common/plat/LEDWidget.cpp",
     "${examples_plat_dir}/common/plat/OTAConfig.cpp",
     "${examples_plat_dir}/common/plat/main.cpp",
@@ -167,9 +161,10 @@ bouffalolab_executable("lighting_app") {
     "${examples_plat_dir}/common/iot_sdk",
   ]
 
+  defines += [ "CONFIG_ENABLE_CHIP_SHELL=${chip_build_libshell}" ]
+  defines += [ "PW_RPC_ENABLED=${chip_enable_pw_rpc}" ]
   if (chip_enable_pw_rpc) {
     defines += [
-      "PW_RPC_ENABLED",
       "PW_RPC_ATTRIBUTE_SERVICE=1",
       "PW_RPC_BUTTON_SERVICE=1",
       "PW_RPC_DESCRIPTOR_SERVICE=1",
@@ -216,8 +211,6 @@ bouffalolab_executable("lighting_app") {
       "${chip_root}/examples/common/pigweed/bouffalolab",
     ]
   } else if (chip_build_libshell) {
-    defines += [ "CONFIG_ENABLE_CHIP_SHELL=1" ]
-
     deps += [ "${chip_root}/examples/shell/shell_common:shell_common" ]
 
     include_dirs += [
@@ -226,9 +219,9 @@ bouffalolab_executable("lighting_app") {
     ]
   }
 
+  defines += [ "HEAP_MONITORING=${enable_heap_monitoring}" ]
   if (enable_heap_monitoring) {
     sources += [ "${examples_plat_dir}/common/plat/MemMonitoring.cpp" ]
-    defines += [ "HEAP_MONITORING=1" ]
   }
 
   cflags_c = [ "-Wno-sign-compare" ]
diff --git a/examples/lighting-app/bouffalolab/bl702/BUILD.gn b/examples/lighting-app/bouffalolab/bl702/BUILD.gn
index 0becfce3e9e117..7d6ae4db39c8f2 100644
--- a/examples/lighting-app/bouffalolab/bl702/BUILD.gn
+++ b/examples/lighting-app/bouffalolab/bl702/BUILD.gn
@@ -82,20 +82,21 @@ bl_iot_sdk("sdk") {
     "PRINT_DEBUG=0",
   ]
 
+  defines += [ "PW_RPC_ENABLED=${chip_enable_pw_rpc}" ]
   if (chip_enable_pw_rpc) {
     include_dirs += [ "${examples_plat_dir}/common/rpc" ]
-    defines += [ "PW_RPC_ENABLED=1" ]
     defines += [ "DISABLE_PRINT=1" ]
-  } else if (chip_build_libshell) {
-    include_dirs += [ "${examples_plat_dir}/common/plat" ]
+  } else {
+    if (chip_build_libshell) {
+      include_dirs += [ "${examples_plat_dir}/common/plat" ]
+    }
   }
 
-  defines += [ "CHIP_DEVICE_CONFIG_ENABLE_ETHERNET=${chip_enable_ethernet}" ]
-
   if (chip_enable_wifi || chip_enable_ethernet) {
     include_dirs += [ "${examples_plat_dir}/bl702/lwipopts" ]
   }
 
+  defines += [ "CHIP_DEVICE_CONFIG_ENABLE_ETHERNET=${chip_enable_ethernet}" ]
   if (chip_enable_ethernet) {
     defines += [ "CHIP_SYSTEM_CRYPTO_HEADER_RESERVE_SIZE=48" ]
   }
@@ -133,14 +134,15 @@ bouffalolab_executable("lighting_app") {
   defines = [
     "APP_TASK_STACK_SIZE=2048",
     "CHIP_UART_BAUDRATE=${baudrate}",
-    "BL702_ENABLE=1",
     "START_ENTRY=bl702_main",
   ]
 
-  if (enable_debug_frame_ptr) {
-    defines += [ "CONF_ENABLE_FRAME_PTR=1" ]
-  }
-
+  defines += [ "CONF_ENABLE_FRAME_PTR=${enable_debug_frame_ptr}" ]
+  defines +=
+      [ "CONFIG_BOUFFALOLAB_FACTORY_DATA_ENABLE=${chip_enable_factory_data}" ]
+  defines += [
+    "CONFIG_BOUFFALOLAB_FACTORY_DATA_TEST=${chip_enable_factory_data_test}",
+  ]
   if (chip_config_network_layer_ble) {
     defines += [ "CHIP_DEVICE_CONFIG_ENABLE_CHIPOBLE=1" ]
   }
@@ -149,14 +151,6 @@ bouffalolab_executable("lighting_app") {
     defines += [ "BOOT_PIN_RESET=31" ]
   }
 
-  if (chip_enable_factory_data) {
-    defines += [ "CONFIG_BOUFFALOLAB_FACTORY_DATA_ENABLE=1" ]
-  }
-
-  if (chip_enable_factory_data_test) {
-    defines += [ "CONFIG_BOUFFALOLAB_FACTORY_DATA_TEST=1" ]
-  }
-
   if ("XT-ZB6-DevKit" == board) {
     defines += [ "XT_ZB6_DevKit" ]
   } else if ("BL706-NIGHT-LIGHT" == board) {
@@ -168,8 +162,8 @@ bouffalolab_executable("lighting_app") {
     "${example_dir}/common/ZclCallbacks.cpp",
     "${examples_plat_dir}/common/iot_sdk/aos_task.c",
     "${examples_plat_dir}/common/iot_sdk/demo_pwm.c",
-    "${examples_plat_dir}/common/iot_sdk/platform_port.c",
-    "${examples_plat_dir}/common/iot_sdk/uart.c",
+    "${examples_plat_dir}/common/iot_sdk/platform_port.cpp",
+    "${examples_plat_dir}/common/iot_sdk/uart.cpp",
     "${examples_plat_dir}/common/plat/LEDWidget.cpp",
     "${examples_plat_dir}/common/plat/OTAConfig.cpp",
     "${examples_plat_dir}/common/plat/main.cpp",
@@ -196,10 +190,6 @@ bouffalolab_executable("lighting_app") {
     include_dirs += [ "${examples_plat_dir}/bl702/lwipopts" ]
   }
 
-  if (enable_psram) {
-    defines += [ "CFG_USE_PSRAM=1" ]
-  }
-
   if (defined(enable_cdc_module) && enable_cdc_module) {
     defines += [ "CFG_USB_CDC_ENABLE" ]
   }
@@ -238,9 +228,10 @@ bouffalolab_executable("lighting_app") {
     }
   }
 
+  defines += [ "CONFIG_ENABLE_CHIP_SHELL=${chip_build_libshell}" ]
+  defines += [ "PW_RPC_ENABLED=${chip_enable_pw_rpc}" ]
   if (chip_enable_pw_rpc) {
     defines += [
-      "PW_RPC_ENABLED=1",
       "PW_RPC_ATTRIBUTE_SERVICE=1",
       "PW_RPC_BUTTON_SERVICE=1",
       "PW_RPC_DESCRIPTOR_SERVICE=1",
@@ -289,23 +280,24 @@ bouffalolab_executable("lighting_app") {
       "${chip_root}/examples/common",
       "${chip_root}/examples/common/pigweed/bouffalolab",
     ]
-  } else if (chip_build_libshell) {
-    defines += [ "CONFIG_ENABLE_CHIP_SHELL=${chip_build_libshell}" ]
-
-    include_dirs += [
-      "${chip_root}/src/lib/shell",
-      "${chip_root}/examples/shell/shell_common/include",
-    ]
+  } else {
+    if (chip_build_libshell) {
+      include_dirs += [
+        "${chip_root}/src/lib/shell",
+        "${chip_root}/examples/shell/shell_common/include",
+      ]
 
-    deps += [ "${chip_root}/examples/shell/shell_common:shell_common" ]
+      deps += [ "${chip_root}/examples/shell/shell_common:shell_common" ]
+    }
   }
 
+  defines += [ "HEAP_MONITORING=${enable_heap_monitoring}" ]
   if (enable_heap_monitoring) {
     sources += [ "${examples_plat_dir}/common/plat/MemMonitoring.cpp" ]
-    defines += [ "HEAP_MONITORING=1" ]
   }
 
   if (enable_psram) {
+    defines += [ "CFG_USE_PSRAM=1" ]
     ldscript = "${examples_plat_dir}/bl702/ldscripts/psram_flash.ld"
   } else {
     ldscript = "${examples_plat_dir}/bl702/ldscripts/flash.ld"
diff --git a/examples/lighting-app/bouffalolab/bl702l/BUILD.gn b/examples/lighting-app/bouffalolab/bl702l/BUILD.gn
index 6c081df89860cf..c21ffe472b5a7b 100644
--- a/examples/lighting-app/bouffalolab/bl702l/BUILD.gn
+++ b/examples/lighting-app/bouffalolab/bl702l/BUILD.gn
@@ -80,9 +80,9 @@ bl_iot_sdk("sdk") {
     "PRINT_DEBUG=0",
   ]
 
+  defines += [ "PW_RPC_ENABLED=${chip_enable_pw_rpc}" ]
   if (chip_enable_pw_rpc) {
     include_dirs += [ "${examples_plat_dir}/common/rpc" ]
-    defines += [ "PW_RPC_ENABLED=1" ]
     defines += [ "DISABLE_PRINT=1" ]
   } else if (chip_build_libshell) {
     include_dirs += [ "${examples_plat_dir}/common/plat" ]
@@ -111,14 +111,15 @@ bouffalolab_executable("lighting_app") {
   defines = [
     "APP_TASK_STACK_SIZE=2048",
     "CHIP_UART_BAUDRATE=${baudrate}",
-    "BL702L_ENABLE=1",
     "START_ENTRY=bl702_main",
   ]
 
-  if (enable_debug_frame_ptr) {
-    defines += [ "CONF_ENABLE_FRAME_PTR=1" ]
-  }
-
+  defines += [ "CONF_ENABLE_FRAME_PTR=${enable_debug_frame_ptr}" ]
+  defines +=
+      [ "CONFIG_BOUFFALOLAB_FACTORY_DATA_ENABLE=${chip_enable_factory_data}" ]
+  defines += [
+    "CONFIG_BOUFFALOLAB_FACTORY_DATA_TEST=${chip_enable_factory_data_test}",
+  ]
   if (chip_config_network_layer_ble) {
     defines += [ "CHIP_DEVICE_CONFIG_ENABLE_CHIPOBLE=1" ]
   }
@@ -127,14 +128,6 @@ bouffalolab_executable("lighting_app") {
     defines += [ "BOOT_PIN_RESET=16" ]
   }
 
-  if (chip_enable_factory_data) {
-    defines += [ "CONFIG_BOUFFALOLAB_FACTORY_DATA_ENABLE=1" ]
-  }
-
-  if (chip_enable_factory_data_test) {
-    defines += [ "CONFIG_BOUFFALOLAB_FACTORY_DATA_TEST=1" ]
-  }
-
   if ("BL704LDK" == board) {
     defines += [ "XT_ZB6_DevKit" ]
   }
@@ -144,8 +137,8 @@ bouffalolab_executable("lighting_app") {
     "${example_dir}/common/ZclCallbacks.cpp",
     "${examples_plat_dir}/common/iot_sdk/aos_task.c",
     "${examples_plat_dir}/common/iot_sdk/demo_pwm.c",
-    "${examples_plat_dir}/common/iot_sdk/platform_port.c",
-    "${examples_plat_dir}/common/iot_sdk/uart.c",
+    "${examples_plat_dir}/common/iot_sdk/platform_port.cpp",
+    "${examples_plat_dir}/common/iot_sdk/uart.cpp",
     "${examples_plat_dir}/common/plat/LEDWidget.cpp",
     "${examples_plat_dir}/common/plat/OTAConfig.cpp",
     "${examples_plat_dir}/common/plat/main.cpp",
@@ -168,10 +161,6 @@ bouffalolab_executable("lighting_app") {
     "${examples_plat_dir}/common/iot_sdk",
   ]
 
-  if (enable_psram) {
-    defines += [ "CFG_USE_PSRAM=1" ]
-  }
-
   if (chip_enable_openthread) {
     deps += [
       "${chip_root}/third_party/openthread/platforms:libopenthread-platform",
@@ -201,9 +190,10 @@ bouffalolab_executable("lighting_app") {
     ]
   }
 
+  defines += [ "CONFIG_ENABLE_CHIP_SHELL=${chip_build_libshell}" ]
+  defines += [ "PW_RPC_ENABLED=${chip_enable_pw_rpc}" ]
   if (chip_enable_pw_rpc) {
     defines += [
-      "PW_RPC_ENABLED=1",
       "PW_RPC_ATTRIBUTE_SERVICE=1",
       "PW_RPC_BUTTON_SERVICE=1",
       "PW_RPC_DESCRIPTOR_SERVICE=1",
@@ -252,23 +242,24 @@ bouffalolab_executable("lighting_app") {
       "${chip_root}/examples/common",
       "${chip_root}/examples/common/pigweed/bouffalolab",
     ]
-  } else if (chip_build_libshell) {
-    defines += [ "CONFIG_ENABLE_CHIP_SHELL=${chip_build_libshell}" ]
-
-    deps += [ "${chip_root}/examples/shell/shell_common:shell_common" ]
+  } else {
+    if (chip_build_libshell) {
+      include_dirs += [
+        "${chip_root}/src/lib/shell",
+        "${chip_root}/examples/shell/shell_common/include",
+      ]
 
-    include_dirs += [
-      "${chip_root}/src/lib/shell",
-      "${chip_root}/examples/shell/shell_common/include",
-    ]
+      deps += [ "${chip_root}/examples/shell/shell_common:shell_common" ]
+    }
   }
 
+  defines += [ "HEAP_MONITORING=${enable_heap_monitoring}" ]
   if (enable_heap_monitoring) {
     sources += [ "${examples_plat_dir}/common/plat/MemMonitoring.cpp" ]
-    defines += [ "HEAP_MONITORING=1" ]
   }
 
   if (enable_psram) {
+    defines += [ "CFG_USE_PSRAM=1" ]
     ldscript = "${examples_plat_dir}/bl702l/ldscripts/psram_flash_rom.ld"
   } else {
     ldscript = "${examples_plat_dir}/bl702l/ldscripts/flash_rom.ld"
diff --git a/examples/lighting-app/bouffalolab/common/AppTask.cpp b/examples/lighting-app/bouffalolab/common/AppTask.cpp
index ee0ead05c6e8c6..a0eb17fd747eec 100644
--- a/examples/lighting-app/bouffalolab/common/AppTask.cpp
+++ b/examples/lighting-app/bouffalolab/common/AppTask.cpp
@@ -135,7 +135,7 @@ void AppTask::AppTaskMain(void * pvParameter)
     app_event_t appEvent;
     bool onoff = false;
 
-#if !(BL702_ENABLE && CHIP_DEVICE_CONFIG_ENABLE_ETHERNET)
+#if !(CHIP_DEVICE_LAYER_TARGET_BL702 && CHIP_DEVICE_CONFIG_ENABLE_ETHERNET)
     sLightLED.Init();
 #endif
 
diff --git a/examples/platform/bouffalolab/bl602/lwipopts/lwipopts.h b/examples/platform/bouffalolab/bl602/lwipopts/lwipopts.h
index dd304f96d66a15..dea0e2e715136d 100644
--- a/examples/platform/bouffalolab/bl602/lwipopts/lwipopts.h
+++ b/examples/platform/bouffalolab/bl602/lwipopts/lwipopts.h
@@ -249,6 +249,7 @@ a lot of data that needs to be copied, this should be set high. */
 #define LWIP_NETIF_LINK_CALLBACK 1
 
 /*Enable dns*/
+#define LWIP_DNS_SERVER 0
 #define LWIP_DNS 1
 #define LWIP_DNS_SECURE 0
 
@@ -271,6 +272,8 @@ a lot of data that needs to be copied, this should be set high. */
 /* PBUF_POOL_BUFSIZE: the size of each pbuf in the pbuf pool. */
 #define PBUF_POOL_BUFSIZE LWIP_MEM_ALIGN_SIZE(TCP_MSS + 40 + PBUF_LINK_ENCAPSULATION_HLEN + PBUF_LINK_HLEN)
 
+#define LWIP_PBUF_FROM_CUSTOM_POOLS (0)
+
 /*
    ---------------------------------
    ---------- MISC. options ----------
diff --git a/examples/platform/bouffalolab/bl702/lwipopts/lwipopts.h b/examples/platform/bouffalolab/bl702/lwipopts/lwipopts.h
index 0ed28096088524..981b17d14d9869 100644
--- a/examples/platform/bouffalolab/bl702/lwipopts/lwipopts.h
+++ b/examples/platform/bouffalolab/bl702/lwipopts/lwipopts.h
@@ -261,6 +261,7 @@ a lot of data that needs to be copied, this should be set high. */
 #define LWIP_NETIF_LINK_CALLBACK 1
 
 /*Enable dns*/
+#define LWIP_DNS_SERVER 0
 #define LWIP_DNS 1
 #define LWIP_DNS_SECURE 0
 
@@ -283,6 +284,7 @@ a lot of data that needs to be copied, this should be set high. */
 /* PBUF_POOL_BUFSIZE: the size of each pbuf in the pbuf pool. */
 #define PBUF_POOL_BUFSIZE LWIP_MEM_ALIGN_SIZE(TCP_MSS + 40 + PBUF_LINK_ENCAPSULATION_HLEN + PBUF_LINK_HLEN)
 
+#define LWIP_PBUF_FROM_CUSTOM_POOLS (0)
 /*
    ---------------------------------
    ---------- MISC. options ----------
diff --git a/examples/platform/bouffalolab/common/iot_sdk/platform_port.c b/examples/platform/bouffalolab/common/iot_sdk/platform_port.cpp
similarity index 76%
rename from examples/platform/bouffalolab/common/iot_sdk/platform_port.c
rename to examples/platform/bouffalolab/common/iot_sdk/platform_port.cpp
index 472615ac33cd8b..55748704056a82 100644
--- a/examples/platform/bouffalolab/common/iot_sdk/platform_port.c
+++ b/examples/platform/bouffalolab/common/iot_sdk/platform_port.cpp
@@ -23,39 +23,44 @@
 #include <stdbool.h>
 #include <stdint.h>
 
+#include <platform/CHIPDeviceBuildConfig.h>
+
 #include <FreeRTOS.h>
 
 #include <blog.h>
 
-#if BL702_ENABLE
+#if CHIP_DEVICE_LAYER_TARGET_BL702
 #include <bl702_glb.h>
 #include <bl702_hbn.h>
-#elif BL702L_ENABLE
+#elif CHIP_DEVICE_LAYER_TARGET_BL702L
 #include <bl702l_glb.h>
 #include <bl702l_hbn.h>
-#elif BL602_ENABLE
-#include <wifi_mgmr_ext.h>
-#endif
-#include <bl_irq.h>
-#if BL702L_ENABLE
-#include <bl_rtc.h>
 #endif
-#include <bl_sec.h>
-#include <bl_sys.h>
+
 #ifdef CFG_USE_PSRAM
 #include <bl_psram.h>
 #endif
 #include <bl_timer.h>
-#include <hal_board.h>
-#include <hal_boot2.h>
 
 #include <hosal_uart.h>
 
-#if BL702L_ENABLE
+extern "C" {
+#include <bl_irq.h>
+#include <bl_rtc.h>
+#include <bl_sec.h>
+#include <bl_sys.h>
+#include <hal_board.h>
+#include <hal_boot2.h>
+#if CHIP_DEVICE_LAYER_TARGET_BL602
+#include <wifi_mgmr_ext.h>
+#endif
+
+#if CHIP_DEVICE_LAYER_TARGET_BL702L
 #include <rom_freertos_ext.h>
 #include <rom_hal_ext.h>
 #include <rom_lmac154_ext.h>
 #endif
+}
 
 #include <uart.h>
 
@@ -65,21 +70,21 @@
 HOSAL_UART_DEV_DECL(uart_stdio, CHIP_UART_PORT, CHIP_UART_PIN_TX, CHIP_UART_PIN_RX, CHIP_UART_BAUDRATE);
 
 #ifdef SYS_AOS_LOOP_ENABLE
-void aos_loop_start(void);
+extern "C" void aos_loop_start(void);
 #endif
 
 // ================================================================================
 // FreeRTOS Callbacks
 // ================================================================================
-unsigned int sleep(unsigned int seconds)
+extern "C" unsigned int sleep(unsigned int seconds)
 {
     const TickType_t xDelay = 1000 * seconds / portTICK_PERIOD_MS;
     vTaskDelay(xDelay);
     return 0;
 }
 
-#if !BL702L_ENABLE
-void vApplicationStackOverflowHook(TaskHandle_t xTask, char * pcTaskName)
+#if !CHIP_DEVICE_LAYER_TARGET_BL702L
+extern "C" void vApplicationStackOverflowHook(TaskHandle_t xTask, char * pcTaskName)
 {
     printf("Stack Overflow checked. Stack name %s", pcTaskName);
     while (true)
@@ -88,7 +93,7 @@ void vApplicationStackOverflowHook(TaskHandle_t xTask, char * pcTaskName)
     }
 }
 
-void vApplicationMallocFailedHook(void)
+extern "C" void vApplicationMallocFailedHook(void)
 {
     printf("Memory Allocate Failed. Current left size is %d bytes", xPortGetFreeHeapSize());
     while (true)
@@ -97,14 +102,14 @@ void vApplicationMallocFailedHook(void)
     }
 }
 
-void vApplicationIdleHook(void)
+extern "C" void vApplicationIdleHook(void)
 {
     //    bl_wdt_feed();
     __asm volatile("   wfi     ");
 }
 
-void vApplicationGetIdleTaskMemory(StaticTask_t ** ppxIdleTaskTCBBuffer, StackType_t ** ppxIdleTaskStackBuffer,
-                                   uint32_t * pulIdleTaskStackSize)
+extern "C" void vApplicationGetIdleTaskMemory(StaticTask_t ** ppxIdleTaskTCBBuffer, StackType_t ** ppxIdleTaskStackBuffer,
+                                              uint32_t * pulIdleTaskStackSize)
 {
     /* If the buffers to be provided to the Idle task are declared inside this
     function then they must be declared static - otherwise they will be allocated on
@@ -126,8 +131,8 @@ void vApplicationGetIdleTaskMemory(StaticTask_t ** ppxIdleTaskTCBBuffer, StackTy
 /* configSUPPORT_STATIC_ALLOCATION and configUSE_TIMERS are both set to 1, so the
 application must provide an implementation of vApplicationGetTimerTaskMemory()
 to provide the memory that is used by the Timer service task. */
-void vApplicationGetTimerTaskMemory(StaticTask_t ** ppxTimerTaskTCBBuffer, StackType_t ** ppxTimerTaskStackBuffer,
-                                    uint32_t * pulTimerTaskStackSize)
+extern "C" void vApplicationGetTimerTaskMemory(StaticTask_t ** ppxTimerTaskTCBBuffer, StackType_t ** ppxTimerTaskStackBuffer,
+                                               uint32_t * pulTimerTaskStackSize)
 {
     /* If the buffers to be provided to the Timer task are declared inside this
     function then they must be declared static - otherwise they will be allocated on
@@ -147,7 +152,7 @@ void vApplicationGetTimerTaskMemory(StaticTask_t ** ppxTimerTaskTCBBuffer, Stack
 }
 
 #if (configUSE_TICK_HOOK != 0)
-void vApplicationTickHook(void)
+extern "C" void vApplicationTickHook(void)
 {
 #if defined(CFG_USB_CDC_ENABLE)
     extern void usb_cdc_monitor(void);
@@ -156,9 +161,9 @@ void vApplicationTickHook(void)
 }
 #endif
 
-void vApplicationSleep(TickType_t xExpectedIdleTime) {}
+extern "C" void vApplicationSleep(TickType_t xExpectedIdleTime) {}
 
-void vAssertCalled(void)
+extern "C" void vAssertCalled(void)
 {
     void * ra = (void *) __builtin_return_address(0);
 
@@ -184,8 +189,8 @@ void vAssertCalled(void)
 }
 #endif
 
-#if BL702L_ENABLE
-void __attribute__((weak)) user_vAssertCalled(void)
+#if CHIP_DEVICE_LAYER_TARGET_BL702L
+extern "C" void __attribute__((weak)) user_vAssertCalled(void)
 {
     void * ra = (void *) __builtin_return_address(0);
 
@@ -204,7 +209,7 @@ void __attribute__((weak)) user_vAssertCalled(void)
         ;
 }
 
-void __attribute__((weak)) user_vApplicationStackOverflowHook(TaskHandle_t xTask, char * pcTaskName)
+extern "C" void __attribute__((weak)) user_vApplicationStackOverflowHook(TaskHandle_t xTask, char * pcTaskName)
 {
     puts("Stack Overflow checked\r\n");
     if (pcTaskName)
@@ -217,7 +222,7 @@ void __attribute__((weak)) user_vApplicationStackOverflowHook(TaskHandle_t xTask
     }
 }
 
-void __attribute__((weak)) user_vApplicationMallocFailedHook(void)
+extern "C" void __attribute__((weak)) user_vApplicationMallocFailedHook(void)
 {
     printf("Memory Allocate Failed. Current left size is %d bytes\r\n", xPortGetFreeHeapSize());
 #if defined(CFG_USE_PSRAM)
@@ -229,35 +234,35 @@ void __attribute__((weak)) user_vApplicationMallocFailedHook(void)
     }
 }
 
-void bflb_assert(void) __attribute__((weak, alias("user_vAssertCalled")));
+extern "C" void bflb_assert(void) __attribute__((weak, alias("user_vAssertCalled")));
 #else
-void user_vAssertCalled(void) __attribute__((weak, alias("vAssertCalled")));
-void bflb_assert(void) __attribute__((weak, alias("vAssertCalled")));
+extern "C" void user_vAssertCalled(void) __attribute__((weak, alias("vAssertCalled")));
+extern "C" void bflb_assert(void) __attribute__((weak, alias("vAssertCalled")));
 #endif
 
 // ================================================================================
 // Main Code
 // ================================================================================
-extern uint8_t _heap_start;
-extern size_t _heap_size; // @suppress("Type cannot be resolved")
+extern "C" uint8_t _heap_start;
+extern "C" size_t _heap_size; // @suppress("Type cannot be resolved")
 
-#if BL602_ENABLE
-extern uint8_t _heap_wifi_start;
-extern uint8_t _heap_wifi_size; // @suppress("Type cannot be resolved")
+#if CHIP_DEVICE_LAYER_TARGET_BL602
+extern "C" uint8_t _heap_wifi_start;
+extern "C" uint8_t _heap_wifi_size; // @suppress("Type cannot be resolved")
 static const HeapRegion_t xHeapRegions[] = {
     { &_heap_start, (unsigned int) &_heap_size }, // set on runtime
     { &_heap_wifi_start, (unsigned int) &_heap_wifi_size },
     { NULL, 0 } /* Terminates the array. */
 };
-#elif BL702_ENABLE
-extern uint8_t _heap2_start;
-extern uint8_t _heap2_size; // @suppress("Type cannot be resolved")
+#elif CHIP_DEVICE_LAYER_TARGET_BL702
+extern "C" uint8_t _heap2_start;
+extern "C" uint8_t _heap2_size; // @suppress("Type cannot be resolved")
 static const HeapRegion_t xHeapRegions[] = {
     { &_heap_start, (size_t) &_heap_size },   // set on runtime
     { &_heap2_start, (size_t) &_heap2_size }, // set on runtime
     { NULL, 0 }                               /* Terminates the array. */
 };
-#elif BL702L_ENABLE
+#elif CHIP_DEVICE_LAYER_TARGET_BL702L
 static const HeapRegion_t xHeapRegions[] = {
     { &_heap_start, (size_t) &_heap_size }, // set on runtime
     { NULL, 0 }                             /* Terminates the array. */
@@ -265,18 +270,18 @@ static const HeapRegion_t xHeapRegions[] = {
 #endif
 
 #ifdef CFG_USE_PSRAM
-extern uint32_t __psram_bss_init_start;
-extern uint32_t __psram_bss_init_end;
+extern "C" uint8_t __psram_bss_init_start;
+extern "C" uint8_t __psram_bss_init_end;
 
 static uint32_t __attribute__((section(".rsvd_data"))) psram_reset_count;
 
-extern uint8_t _heap3_start;
-extern size_t _heap3_size; // @suppress("Type cannot be resolved")
+extern "C" uint8_t _heap3_start;
+extern "C" size_t _heap3_size; // @suppress("Type cannot be resolved")
 static const HeapRegion_t xPsramHeapRegions[] = {
     { &_heap3_start, (size_t) &_heap3_size }, { NULL, 0 } /* Terminates the array. */
 };
 
-size_t get_heap3_size(void)
+extern "C" size_t get_heap3_size(void)
 {
     return (size_t) &_heap3_size;
 }
@@ -303,7 +308,7 @@ void do_psram_test()
             break;
         }
 
-        arch_memset4(&__psram_bss_init_start, 0, &__psram_bss_init_end - &__psram_bss_init_start);
+        memset(&__psram_bss_init_start, 0, &__psram_bss_init_end - &__psram_bss_init_start);
 
         psram_reset_count = 0xffffff00;
         return;
@@ -325,13 +330,13 @@ void do_psram_test()
 }
 #endif
 
-void setup_heap()
+extern "C" void setup_heap()
 {
     bl_sys_init();
 
-#if BL702_ENABLE
+#if CHIP_DEVICE_LAYER_TARGET_BL702
     bl_sys_em_config();
-#elif BL702L_ENABLE
+#elif CHIP_DEVICE_LAYER_TARGET_BL702L
     bl_sys_em_config();
 
     // Initialize rom data
@@ -341,7 +346,7 @@ void setup_heap()
     memcpy((void *) &_rom_data_run, (void *) &_rom_data_load, (size_t) &_rom_data_size);
 #endif
 
-#if BL702_ENABLE
+#if CHIP_DEVICE_LAYER_TARGET_BL702
     extern uint8_t __ocram_bss_start[], __ocram_bss_end[];
     if (NULL != __ocram_bss_start && NULL != __ocram_bss_end && __ocram_bss_end > __ocram_bss_start)
     {
@@ -358,16 +363,16 @@ void setup_heap()
 #endif
 }
 
-size_t get_heap_size(void)
+extern "C" size_t get_heap_size(void)
 {
     return (size_t) &_heap_size;
 }
 
-void app_init(void)
+extern "C" void app_init(void)
 {
     bl_sys_early_init();
 
-#if BL702L_ENABLE
+#if CHIP_DEVICE_LAYER_TARGET_BL702L
     rom_freertos_init(256, 400);
     rom_hal_init();
     rom_lmac154_hook_init();
@@ -377,11 +382,11 @@ void app_init(void)
 
     blog_init();
     bl_irq_init();
-#if BL702L_ENABLE
+#if CHIP_DEVICE_LAYER_TARGET_BL702L
     bl_rtc_init();
 #endif
     bl_sec_init();
-#if BL702_ENABLE
+#if CHIP_DEVICE_LAYER_TARGET_BL702
     bl_timer_init();
 #endif
 
@@ -390,15 +395,15 @@ void app_init(void)
     /* board config is set after system is init*/
     hal_board_cfg(0);
 
-#if BL702L_ENABLE || CHIP_DEVICE_CONFIG_ENABLE_WIFI || CHIP_DEVICE_CONFIG_ENABLE_ETHERNET
+#if CHIP_DEVICE_LAYER_TARGET_BL702L || CHIP_DEVICE_CONFIG_ENABLE_WIFI || CHIP_DEVICE_CONFIG_ENABLE_ETHERNET
     hosal_dma_init();
 #endif
-#if BL602_ENABLE
+#if CHIP_DEVICE_LAYER_TARGET_BL602
     wifi_td_diagnosis_init();
 #endif
 }
 
-void platform_port_init(void)
+extern "C" void platform_port_init(void)
 {
     app_init();
 
diff --git a/examples/platform/bouffalolab/common/iot_sdk/uart.c b/examples/platform/bouffalolab/common/iot_sdk/uart.cpp
similarity index 100%
rename from examples/platform/bouffalolab/common/iot_sdk/uart.c
rename to examples/platform/bouffalolab/common/iot_sdk/uart.cpp
diff --git a/examples/platform/bouffalolab/common/iot_sdk/uart.h b/examples/platform/bouffalolab/common/iot_sdk/uart.h
deleted file mode 100644
index ff2a398a395dd7..00000000000000
--- a/examples/platform/bouffalolab/common/iot_sdk/uart.h
+++ /dev/null
@@ -1,37 +0,0 @@
-/*
- *
- *    Copyright (c) 2021 Project CHIP Authors
- *    All rights reserved.
- *
- *    Licensed under the Apache License, Version 2.0 (the "License");
- *    you may not use this file except in compliance with the License.
- *    You may obtain a copy of the License at
- *
- *        http://www.apache.org/licenses/LICENSE-2.0
- *
- *    Unless required by applicable law or agreed to in writing, software
- *    distributed under the License is distributed on an "AS IS" BASIS,
- *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *    See the License for the specific language governing permissions and
- *    limitations under the License.
- */
-
-#pragma once
-
-#include <stdint.h>
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-void uartInit(void);
-int16_t uartWrite(const char * Buf, uint16_t BufLength);
-int16_t uartRead(char * Buf, uint16_t NbBytesToRead);
-
-#ifdef CFG_USB_CDC_ENABLE
-void aosUartRxCallback(int fd, void * param);
-#endif
-
-#ifdef __cplusplus
-} // extern "C"
-#endif
diff --git a/examples/platform/bouffalolab/common/plat/platform.cpp b/examples/platform/bouffalolab/common/plat/platform.cpp
index a9dee08583cc56..ea6548327847b1 100644
--- a/examples/platform/bouffalolab/common/plat/platform.cpp
+++ b/examples/platform/bouffalolab/common/plat/platform.cpp
@@ -61,10 +61,10 @@
 #if CHIP_DEVICE_CONFIG_ENABLE_ETHERNET || CHIP_DEVICE_CONFIG_ENABLE_WIFI
 #include <bl_route_hook.h>
 #include <lwip/netif.h>
-#if CHIP_DEVICE_CONFIG_ENABLE_WIFI && BL602_ENABLE
+#if CHIP_DEVICE_CONFIG_ENABLE_WIFI && CHIP_DEVICE_LAYER_TARGET_BL602
 #include <wifi_mgmr_ext.h>
 #endif
-#if CHIP_DEVICE_CONFIG_ENABLE_WIFI && BL702_ENABLE
+#if CHIP_DEVICE_CONFIG_ENABLE_WIFI && CHIP_DEVICE_LAYER_TARGET_BL702
 #include <platform/bouffalolab/BL702/wifi_mgmr_portable.h>
 #endif
 #if CHIP_DEVICE_CONFIG_ENABLE_ETHERNET
diff --git a/examples/platform/bouffalolab/common/plat/uart.h b/examples/platform/bouffalolab/common/plat/uart.h
index ff2a398a395dd7..77cd7de39bdab8 100644
--- a/examples/platform/bouffalolab/common/plat/uart.h
+++ b/examples/platform/bouffalolab/common/plat/uart.h
@@ -20,10 +20,6 @@
 
 #include <stdint.h>
 
-#ifdef __cplusplus
-extern "C" {
-#endif
-
 void uartInit(void);
 int16_t uartWrite(const char * Buf, uint16_t BufLength);
 int16_t uartRead(char * Buf, uint16_t NbBytesToRead);
@@ -31,7 +27,3 @@ int16_t uartRead(char * Buf, uint16_t NbBytesToRead);
 #ifdef CFG_USB_CDC_ENABLE
 void aosUartRxCallback(int fd, void * param);
 #endif
-
-#ifdef __cplusplus
-} // extern "C"
-#endif
diff --git a/examples/platform/bouffalolab/common/route_hook/bl_lwip_hooks.h b/examples/platform/bouffalolab/common/route_hook/bl_lwip_hooks.h
index 61f12f3c082632..e69383c73fb8ef 100644
--- a/examples/platform/bouffalolab/common/route_hook/bl_lwip_hooks.h
+++ b/examples/platform/bouffalolab/common/route_hook/bl_lwip_hooks.h
@@ -4,10 +4,6 @@
 #include "lwip/err.h"
 #include "lwip/ip_addr.h"
 
-#if BL616_ENABLE
-#include "lwiphooks.h"
-#endif
-
 extern struct netif * lwip_hook_ip6_route(const ip6_addr_t * src, const ip6_addr_t * dest);
 #define LWIP_HOOK_IP6_ROUTE lwip_hook_ip6_route
 
diff --git a/src/lwip/bl702/arch/cc.h b/src/lwip/bl702/arch/cc.h
index 082afd87b53689..58ae1e521bba26 100644
--- a/src/lwip/bl702/arch/cc.h
+++ b/src/lwip/bl702/arch/cc.h
@@ -28,11 +28,7 @@
 #include <stdlib.h>
 #include <sys/time.h>
 
-#if CHIP_CONFIG_MEMORY_MGMT_MALLOC
-#include <malloc.h>
-#endif
-
-#if __cplusplus
+#ifdef __cplusplus
 extern "C" {
 #endif
 
@@ -83,7 +79,7 @@ extern uint8_t __attribute__((section(".bss.lwip_IGMP_GROUP"))) memp_memory_IGMP
 extern uint8_t __attribute__((section(".bss.lwip_TCP_PCB"))) memp_memory_TCP_PCB_base[];
 extern uint8_t __attribute__((section(".bss.lwip_SYS_TIMEOUT"))) memp_memory_SYS_TIMEOUT_base[];
 
-#if __cplusplus
+#ifdef __cplusplus
 }
 #endif
 
diff --git a/src/lwip/bl702/lwipopts.h b/src/lwip/bl702/lwipopts.h
index 0ef3c210e77f05..a204f74ccdcb83 100644
--- a/src/lwip/bl702/lwipopts.h
+++ b/src/lwip/bl702/lwipopts.h
@@ -45,18 +45,12 @@
 #define TCP_QUEUE_OOSEQ 0
 #define ARP_QUEUEING (0)
 
+#define LWIP_PBUF_CALLOUTS 0
 #define LWIP_SOCKET 0
 
 #define LWIP_RAW 1
-#define MEMP_NUM_RAW_PCB 5
-#if INET_CONFIG_ENABLE_TCP_ENDPOINT
-#define LWIP_TCP 1
-#else
-#define LWIP_TCP 0
-#define MEMP_NUM_TCP_PCB 0
-#endif // INET_CONFIG_ENABLE_TCP_ENDPOINT
-
-// TODO: verify count
+#define MEMP_NUM_RAW_PCB (5)
+
 #define MEMP_NUM_UDP_PCB (7)
 
 #define LWIP_HAVE_LOOPIF (0)
diff --git a/src/lwip/bl702l/arch/cc.h b/src/lwip/bl702l/arch/cc.h
index 082afd87b53689..58ae1e521bba26 100644
--- a/src/lwip/bl702l/arch/cc.h
+++ b/src/lwip/bl702l/arch/cc.h
@@ -28,11 +28,7 @@
 #include <stdlib.h>
 #include <sys/time.h>
 
-#if CHIP_CONFIG_MEMORY_MGMT_MALLOC
-#include <malloc.h>
-#endif
-
-#if __cplusplus
+#ifdef __cplusplus
 extern "C" {
 #endif
 
@@ -83,7 +79,7 @@ extern uint8_t __attribute__((section(".bss.lwip_IGMP_GROUP"))) memp_memory_IGMP
 extern uint8_t __attribute__((section(".bss.lwip_TCP_PCB"))) memp_memory_TCP_PCB_base[];
 extern uint8_t __attribute__((section(".bss.lwip_SYS_TIMEOUT"))) memp_memory_SYS_TIMEOUT_base[];
 
-#if __cplusplus
+#ifdef __cplusplus
 }
 #endif
 
diff --git a/src/lwip/bl702l/lwipopts.h b/src/lwip/bl702l/lwipopts.h
index 645ccf79b2b752..0a705566e14438 100644
--- a/src/lwip/bl702l/lwipopts.h
+++ b/src/lwip/bl702l/lwipopts.h
@@ -45,18 +45,12 @@
 #define TCP_QUEUE_OOSEQ 0
 #define ARP_QUEUEING (0)
 
+#define LWIP_PBUF_CALLOUTS 0
 #define LWIP_SOCKET 0
 
 #define LWIP_RAW 1
-#define MEMP_NUM_RAW_PCB 5
-#if INET_CONFIG_ENABLE_TCP_ENDPOINT
-#define LWIP_TCP 1
-#else
-#define LWIP_TCP 0
-#define MEMP_NUM_TCP_PCB 0
-#endif // INET_CONFIG_ENABLE_TCP_ENDPOINT
-
-// TODO: verify count
+#define MEMP_NUM_RAW_PCB (5)
+
 #define MEMP_NUM_UDP_PCB (7)
 
 #define LWIP_HAVE_LOOPIF (0)
diff --git a/src/platform/bouffalolab/BL602/bl602-chip-mbedtls-config.h b/src/platform/bouffalolab/BL602/bl602-chip-mbedtls-config.h
index f9cc993066a1e9..b75b719ea2449b 100644
--- a/src/platform/bouffalolab/BL602/bl602-chip-mbedtls-config.h
+++ b/src/platform/bouffalolab/BL602/bl602-chip-mbedtls-config.h
@@ -130,11 +130,7 @@ typedef void mbedtls_ecp_restart_ctx;
 #define MBEDTLS_ECP_FIXED_POINT_OPTIM 0 /**< Enable fixed-point speed-up */
 #define MBEDTLS_ENTROPY_MAX_SOURCES 2   /**< Maximum number of sources supported */
 
-#if OPENTHREAD_CONFIG_COAP_SECURE_API_ENABLE
-#define MBEDTLS_SSL_MAX_CONTENT_LEN 900 /**< Maxium fragment length in bytes */
-#else
 #define MBEDTLS_SSL_MAX_CONTENT_LEN 768 /**< Maxium fragment length in bytes */
-#endif
 
 #define MBEDTLS_SSL_CIPHERSUITES MBEDTLS_TLS_ECJPAKE_WITH_AES_128_CCM_8
 
diff --git a/src/platform/bouffalolab/BL702/bl702-openthread-core-bl-config.h b/src/platform/bouffalolab/BL702/bl702-openthread-core-bl-config.h
index 6bc32bebc35f3f..220a843b9e60b8 100644
--- a/src/platform/bouffalolab/BL702/bl702-openthread-core-bl-config.h
+++ b/src/platform/bouffalolab/BL702/bl702-openthread-core-bl-config.h
@@ -49,6 +49,8 @@
  */
 #define OPENTHREAD_CONFIG_PLATFORM_FLASH_API_ENABLE 0
 
+#define OPENTHREAD_RADIO 0
+
 #ifndef LMAC154_RADIO_RECEIVE_SENSITIVITY
 #define LMAC154_RADIO_RECEIVE_SENSITIVITY -103
 #endif
@@ -63,6 +65,9 @@
 #define OPENTHREAD_CONFIG_MAC_SOFTWARE_TX_SECURITY_ENABLE 0
 #define OPENTHREAD_CONFIG_MAC_SOFTWARE_TX_TIMING_ENABLE 0
 #define OPENTHREAD_CONFIG_MAC_SOFTWARE_ENERGY_SCAN_ENABLE 1
+
+#define OPENTHREAD_CONFIG_PLATFORM_USEC_TIMER_ENABLE 1
+
 #define OPENTHREAD_CONFIG_HEAP_EXTERNAL_ENABLE 1
 
 #define OPENTHREAD_CONFIG_IP6_SLAAC_ENABLE 1
@@ -71,13 +76,22 @@
 #define OPENTHREAD_CONFIG_DNS_CLIENT_ENABLE 1
 #define OPENTHREAD_CONFIG_DNS_CLIENT_SERVICE_DISCOVERY_ENABLE 1
 
-#define OPENTHREAD_ENABLE_VENDOR_EXTENSION 0
-// #define OPENTHREAD_CONFIG_MLE_LINK_METRICS_SUBJECT_ENABLE 0
+#define OPENTHREAD_CONFIG_MLE_LINK_METRICS_SUBJECT_ENABLE 0
 #define OPENTHREAD_CONFIG_MAC_CSL_RECEIVER_ENABLE 0
 // #define OPENTHREAD_CONFIG_MAC_CSL_TRANSMITTER_ENABLE 0
 #define OPENTHREAD_CONFIG_TCP_ENABLE 0
+#define OPENTHREAD_CONFIG_TLS_ENABLE 0
 
 #define OPENTHREAD_CONFIG_PING_SENDER_ENABLE 1
 // #define OPENTHREAD_CONFIG_LOG_LEVEL OT_LOG_LEVEL_DEBG
 
+#define OPENTHREAD_ENABLE_VENDOR_EXTENSION 0
+#define OPENTHREAD_EXAMPLES_SIMULATION 0
+
+#ifndef OPENTHREAD_CONFIG_DIAG_ENABLE
+#define OPENTHREAD_CONFIG_DIAG_ENABLE 0
+#endif
+
+#define ENABLE_OPENTHREAD_BORDER_ROUTER 0
+
 #endif // OPENTHREAD_CORE_BL702_CONFIG_H_
diff --git a/src/platform/bouffalolab/BL702L/bl702l-openthread-core-bl-config.h b/src/platform/bouffalolab/BL702L/bl702l-openthread-core-bl-config.h
index 7836304f8a0401..220a843b9e60b8 100644
--- a/src/platform/bouffalolab/BL702L/bl702l-openthread-core-bl-config.h
+++ b/src/platform/bouffalolab/BL702L/bl702l-openthread-core-bl-config.h
@@ -49,6 +49,8 @@
  */
 #define OPENTHREAD_CONFIG_PLATFORM_FLASH_API_ENABLE 0
 
+#define OPENTHREAD_RADIO 0
+
 #ifndef LMAC154_RADIO_RECEIVE_SENSITIVITY
 #define LMAC154_RADIO_RECEIVE_SENSITIVITY -103
 #endif
@@ -63,6 +65,9 @@
 #define OPENTHREAD_CONFIG_MAC_SOFTWARE_TX_SECURITY_ENABLE 0
 #define OPENTHREAD_CONFIG_MAC_SOFTWARE_TX_TIMING_ENABLE 0
 #define OPENTHREAD_CONFIG_MAC_SOFTWARE_ENERGY_SCAN_ENABLE 1
+
+#define OPENTHREAD_CONFIG_PLATFORM_USEC_TIMER_ENABLE 1
+
 #define OPENTHREAD_CONFIG_HEAP_EXTERNAL_ENABLE 1
 
 #define OPENTHREAD_CONFIG_IP6_SLAAC_ENABLE 1
@@ -71,10 +76,22 @@
 #define OPENTHREAD_CONFIG_DNS_CLIENT_ENABLE 1
 #define OPENTHREAD_CONFIG_DNS_CLIENT_SERVICE_DISCOVERY_ENABLE 1
 
-#define OPENTHREAD_ENABLE_VENDOR_EXTENSION 0
-// #define OPENTHREAD_CONFIG_MLE_LINK_METRICS_SUBJECT_ENABLE 0
+#define OPENTHREAD_CONFIG_MLE_LINK_METRICS_SUBJECT_ENABLE 0
 #define OPENTHREAD_CONFIG_MAC_CSL_RECEIVER_ENABLE 0
 // #define OPENTHREAD_CONFIG_MAC_CSL_TRANSMITTER_ENABLE 0
 #define OPENTHREAD_CONFIG_TCP_ENABLE 0
+#define OPENTHREAD_CONFIG_TLS_ENABLE 0
+
+#define OPENTHREAD_CONFIG_PING_SENDER_ENABLE 1
+// #define OPENTHREAD_CONFIG_LOG_LEVEL OT_LOG_LEVEL_DEBG
+
+#define OPENTHREAD_ENABLE_VENDOR_EXTENSION 0
+#define OPENTHREAD_EXAMPLES_SIMULATION 0
+
+#ifndef OPENTHREAD_CONFIG_DIAG_ENABLE
+#define OPENTHREAD_CONFIG_DIAG_ENABLE 0
+#endif
+
+#define ENABLE_OPENTHREAD_BORDER_ROUTER 0
 
 #endif // OPENTHREAD_CORE_BL702_CONFIG_H_
diff --git a/src/platform/bouffalolab/common/BLEManagerImpl.cpp b/src/platform/bouffalolab/common/BLEManagerImpl.cpp
index 1cb6ce696f73e6..1612f080d03575 100644
--- a/src/platform/bouffalolab/common/BLEManagerImpl.cpp
+++ b/src/platform/bouffalolab/common/BLEManagerImpl.cpp
@@ -16,6 +16,7 @@
  */
 
 #define __ZEPHYR__ 1
+#define CONFIG_EVENTFD 0
 #include <platform/internal/CHIPDeviceLayerInternal.h>
 
 #if CHIP_DEVICE_CONFIG_ENABLE_CHIPOBLE
@@ -275,7 +276,7 @@ CHIP_ERROR BLEManagerImpl::StartAdvertising(void)
 
     if (!isAdvertisingRerun)
     {
-#if CONFIG_BT_PRIVACY
+#ifdef CONFIG_BT_PRIVACY
         static_assert(CHIP_DEVICE_CONFIG_DISCOVERY_TIMEOUT_SECS <= CONFIG_BT_RPA_TIMEOUT,
                       "BLE advertising timeout is too long relative to RPA timeout");
         // Generate new private BLE address
diff --git a/src/platform/bouffalolab/common/CHIPDevicePlatformConfig.h b/src/platform/bouffalolab/common/CHIPDevicePlatformConfig.h
index 77ccda53b57d16..bc34d9124b6d92 100644
--- a/src/platform/bouffalolab/common/CHIPDevicePlatformConfig.h
+++ b/src/platform/bouffalolab/common/CHIPDevicePlatformConfig.h
@@ -25,6 +25,10 @@
 #define CHIP_DEVICE_CONFIG_ENABLE_WIFI_AP 0
 #endif
 
+#ifndef CHIP_DEVICE_CONFIG_ENABLE_ETHERNET
+#define CHIP_DEVICE_CONFIG_ENABLE_ETHERNET 0
+#endif
+
 #if CHIP_ENABLE_OPENTHREAD
 #define CHIP_DEVICE_CONFIG_ENABLE_THREAD 1
 #define CHIP_DEVICE_CONFIG_ENABLE_THREAD_SRP_CLIENT 1
diff --git a/src/platform/bouffalolab/common/ConnectivityManagerImpl.cpp b/src/platform/bouffalolab/common/ConnectivityManagerImpl.cpp
index 598d40a24b31e4..5679674bc973fb 100644
--- a/src/platform/bouffalolab/common/ConnectivityManagerImpl.cpp
+++ b/src/platform/bouffalolab/common/ConnectivityManagerImpl.cpp
@@ -39,9 +39,6 @@
 #if CHIP_DEVICE_LAYER_TARGET_BL702
 #include <platform/bouffalolab/BL702/NetworkCommissioningDriver.h>
 #endif
-#if CHIP_DEVICE_LAYER_TARGET_BL616
-#include <platform/bouffalolab/BL616/NetworkCommissioningDriver.h>
-#endif
 #endif
 
 #if CHIP_DEVICE_CONFIG_ENABLE_CHIPOBLE
diff --git a/src/platform/bouffalolab/common/Logging.cpp b/src/platform/bouffalolab/common/Logging.cpp
index b9ccf882c61165..93157e32d0ec21 100644
--- a/src/platform/bouffalolab/common/Logging.cpp
+++ b/src/platform/bouffalolab/common/Logging.cpp
@@ -16,13 +16,14 @@
  */
 #include <stdio.h>
 
+#include <platform/CHIPDeviceBuildConfig.h>
 #include <platform/logging/LogV.h>
 
 #include <CHIPDevicePlatformConfig.h>
 #include <lib/core/CHIPConfig.h>
 #include <lib/support/logging/Constants.h>
 
-#ifdef PW_RPC_ENABLED
+#if PW_RPC_ENABLED
 #include "PigweedLogger.h"
 #endif
 
@@ -39,7 +40,7 @@ namespace Platform {
 static char formattedMsg[CHIP_CONFIG_LOG_MESSAGE_MAX_SIZE];
 void LogV(const char * module, uint8_t category, const char * msg, va_list v)
 {
-#ifndef PW_RPC_ENABLED
+#if !PW_RPC_ENABLED
     int lmsg = 0;
 
     vsnprintf(formattedMsg, sizeof(formattedMsg), msg, v);
diff --git a/third_party/bouffalolab/bl602/bl_iot_sdk.gni b/third_party/bouffalolab/bl602/bl_iot_sdk.gni
index a66384086278ac..d8dd045698bda1 100644
--- a/third_party/bouffalolab/bl602/bl_iot_sdk.gni
+++ b/third_party/bouffalolab/bl602/bl_iot_sdk.gni
@@ -42,6 +42,7 @@ template("bl_iot_sdk") {
       "BL602_USE_HAL_DRIVER=1",
 
       "CFG_CHIP_BL602",
+      "CFG_COMPONENT_BLOG_ENABLE=0",
     ]
 
     include_dirs = []
@@ -53,6 +54,7 @@ template("bl_iot_sdk") {
       defines += invoker.defines
     }
 
+    cflags = [ "-Wundef" ]
     cflags_c = [
       "-include",
       rebase_path("${invoker.freertos_config}", root_build_dir),
@@ -64,7 +66,7 @@ template("bl_iot_sdk") {
 
     if (defined(invoker.enable_debug_frame_ptr) &&
         invoker.enable_debug_frame_ptr) {
-      cflags = [ "-fno-omit-frame-pointer" ]
+      cflags += [ "-fno-omit-frame-pointer" ]
     }
   }
 
@@ -208,7 +210,10 @@ template("bl_iot_sdk") {
   }
 
   source_set("${sdk_target_name}_hosal") {
-    defines = [ "CFG_BLE_ENABLE" ]
+    defines = [
+      "CFG_BLE_ENABLE",
+      "CONF_BL602_USE_1M_FLASH=0",
+    ]
     sources = [
       "${bl_iot_sdk_root}/components/platform/hosal/bl602_hal/bl_adc.c",
       "${bl_iot_sdk_root}/components/platform/hosal/bl602_hal/bl_boot2.c",
@@ -353,6 +358,10 @@ template("bl_iot_sdk") {
   }
 
   source_set("${sdk_target_name}_stage") {
+    defines = [
+      "EF_ENV_CACHE_TABLE_SIZE=64",
+      "RHINO_CONFIG_WORKQUEUE=0",
+    ]
     sources = [
       "${bl_iot_sdk_root}/components/stage/blfdt/src/fdt.c",
       "${bl_iot_sdk_root}/components/stage/blfdt/src/fdt_addresses.c",
@@ -375,7 +384,6 @@ template("bl_iot_sdk") {
       "${bl_iot_sdk_root}/components/stage/yloop/src/yloop.c",
     ]
 
-    defines = [ "EF_ENV_CACHE_TABLE_SIZE=64" ]
     cflags_c = [ "-Wno-sign-compare" ]
     configs += [
       ":${sdk_target_name}_config_BSP_Driver",
@@ -468,6 +476,7 @@ template("bl_iot_sdk") {
   }
 
   source_set("${sdk_target_name}_mbedtls") {
+    defines = [ "MBEDTLS_ECP_ALT_KEEP_ORIGINAL=0" ]
     include_dirs =
         [ "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library" ]
 
@@ -694,6 +703,8 @@ template("bl_iot_sdk") {
       "TD_DIAGNOSIS_STA",
       "OS_USING_FREERTOS",
       "CFG_VIRT_DEV_MAX=1",
+      "TDLS_ENABLE=0",
+      "CONFIG_NEWLIB_NANO_FORMAT=0",
     ]
     include_dirs = [
       "${bl_iot_sdk_root}/components/os/bl_os_adapter/bl_os_adapter/include",
@@ -716,6 +727,7 @@ template("bl_iot_sdk") {
     defines = [
       "BL602_MATTER_SUPPORT",
       "LWIP_IPV6",
+      "CONFIG_WPA_WAPI_PSK=0",
     ]
 
     include_dirs = [
diff --git a/third_party/bouffalolab/bl702/bl_iot_sdk.gni b/third_party/bouffalolab/bl702/bl_iot_sdk.gni
index 755179b3eb8e06..357b69e95d3c24 100644
--- a/third_party/bouffalolab/bl702/bl_iot_sdk.gni
+++ b/third_party/bouffalolab/bl702/bl_iot_sdk.gni
@@ -42,6 +42,7 @@ template("bl_iot_sdk") {
       "BL702=BL702",
       "BFLB_USE_ROM_DRIVER=1",
       "BFLB_USE_HAL_DRIVER=1",
+      "CFG_COMPONENT_BLOG_ENABLE=0",
     ]
 
     include_dirs = []
@@ -53,6 +54,7 @@ template("bl_iot_sdk") {
       defines += invoker.defines
     }
 
+    cflags = [ "-Wundef" ]
     cflags_c = [
       "-include",
       rebase_path("${invoker.freertos_config}", root_build_dir),
@@ -64,7 +66,7 @@ template("bl_iot_sdk") {
 
     if (defined(invoker.enable_debug_frame_ptr) &&
         invoker.enable_debug_frame_ptr) {
-      cflags = [ "-fno-omit-frame-pointer" ]
+      cflags += [ "-fno-omit-frame-pointer" ]
     }
   }
 
@@ -404,6 +406,10 @@ template("bl_iot_sdk") {
   }
 
   source_set("${sdk_target_name}_stage") {
+    defines = [
+      "EF_ENV_CACHE_TABLE_SIZE=64",
+      "RHINO_CONFIG_WORKQUEUE=0",
+    ]
     sources = [
       "${bl_iot_sdk_root}/components/stage/blfdt/src/fdt.c",
       "${bl_iot_sdk_root}/components/stage/blfdt/src/fdt_addresses.c",
@@ -425,7 +431,7 @@ template("bl_iot_sdk") {
       "${bl_iot_sdk_root}/components/stage/yloop/src/select.c",
       "${bl_iot_sdk_root}/components/stage/yloop/src/yloop.c",
     ]
-    defines = [ "EF_ENV_CACHE_TABLE_SIZE=64" ]
+
     cflags_c = [ "-Wno-sign-compare" ]
     configs += [
       ":${sdk_target_name}_config_BSP_Driver",
@@ -518,6 +524,7 @@ template("bl_iot_sdk") {
   }
 
   source_set("${sdk_target_name}_mbedtls") {
+    defines = [ "MBEDTLS_ECP_ALT_KEEP_ORIGINAL=0" ]
     include_dirs =
         [ "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library" ]
 
diff --git a/third_party/bouffalolab/bl702l/bl_iot_sdk.gni b/third_party/bouffalolab/bl702l/bl_iot_sdk.gni
index f0742a0fb7c679..5928d22b18e05d 100644
--- a/third_party/bouffalolab/bl702l/bl_iot_sdk.gni
+++ b/third_party/bouffalolab/bl702l/bl_iot_sdk.gni
@@ -18,8 +18,6 @@ import("//build_overrides/mbedtls.gni")
 import("//build_overrides/openthread.gni")
 import("${chip_root}/src/lib/lib.gni")
 
-import("${mbedtls_root}/mbedtls.gni")
-
 declare_args() {
   bl_iot_sdk_root = "${chip_root}/third_party/bouffalolab/repo"
 
@@ -44,6 +42,7 @@ template("bl_iot_sdk") {
       "BL702L=BL702L",
       "BFLB_USE_ROM_DRIVER=1",
       "BFLB_USE_HAL_DRIVER=1",
+      "CFG_COMPONENT_BLOG_ENABLE=0",
     ]
 
     include_dirs = []
@@ -55,6 +54,7 @@ template("bl_iot_sdk") {
       defines += invoker.defines
     }
 
+    cflags = [ "-Wundef" ]
     cflags_c = [
       "-include",
       rebase_path("${invoker.freertos_config}", root_build_dir),
@@ -66,7 +66,7 @@ template("bl_iot_sdk") {
 
     if (defined(invoker.enable_debug_frame_ptr) &&
         invoker.enable_debug_frame_ptr) {
-      cflags = [ "-fno-omit-frame-pointer" ]
+      cflags += [ "-fno-omit-frame-pointer" ]
     }
   }
 
@@ -189,9 +189,10 @@ template("bl_iot_sdk") {
   }
 
   source_set("${sdk_target_name}_hosal") {
+    defines = [ "CFG_FPGA=0" ]
     if (defined(invoker.chip_config_network_layer_ble) &&
         invoker.chip_config_network_layer_ble) {
-      defines = [ "CFG_BLE_ENABLE" ]
+      defines += [ "CFG_BLE_ENABLE" ]
     }
 
     sources = [
@@ -252,9 +253,9 @@ template("bl_iot_sdk") {
       "-Wno-old-style-declaration",
       "-Wno-stringop-overflow",
       "-Wno-format-truncation",
-
       "-Wno-shadow",
     ]
+
     configs += [
       ":${sdk_target_name}_config_soc",
       ":${sdk_target_name}_config_BSP_Driver",
@@ -264,6 +265,7 @@ template("bl_iot_sdk") {
       ":${sdk_target_name}_config_fs",
       ":${sdk_target_name}_config_utils",
     ]
+
     if (defined(invoker.chip_config_network_layer_ble) &&
         invoker.chip_config_network_layer_ble) {
       configs += [ ":${sdk_target_name}_config_ble" ]
@@ -314,8 +316,8 @@ template("bl_iot_sdk") {
       "${bl_iot_sdk_root}/components/libc/newlibc/stdatomic.c",
       "${bl_iot_sdk_root}/components/libc/newlibc/syscalls.c",
     ]
-    configs += [ ":${sdk_target_name}_config_bl702l_rom_a0" ]
     cflags_c = [ "-Wno-builtin-declaration-mismatch" ]
+    configs += [ ":${sdk_target_name}_config_bl702l_rom_a0" ]
     public_configs = [ ":${sdk_target_name}_config" ]
   }
 
@@ -331,6 +333,10 @@ template("bl_iot_sdk") {
   }
 
   source_set("${sdk_target_name}_stage") {
+    defines = [
+      "EF_ENV_CACHE_TABLE_SIZE=64",
+      "RHINO_CONFIG_WORKQUEUE=0",
+    ]
     sources = [
       "${bl_iot_sdk_root}/components/stage/blfdt/src/fdt.c",
       "${bl_iot_sdk_root}/components/stage/blfdt/src/fdt_addresses.c",
@@ -353,7 +359,6 @@ template("bl_iot_sdk") {
       "${bl_iot_sdk_root}/components/stage/yloop/src/yloop.c",
     ]
 
-    defines = [ "EF_ENV_CACHE_TABLE_SIZE=64" ]
     cflags_c = [ "-Wno-sign-compare" ]
     configs += [
       ":${sdk_target_name}_config_bl702l_rom_a0",
@@ -433,6 +438,98 @@ template("bl_iot_sdk") {
     ]
   }
 
+  config("${sdk_target_name}_config_mbedtls") {
+    include_dirs = [
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/include",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/port",
+      "${chip_root}/src/platform/bouffalolab/BL702L",
+    ]
+
+    defines = [ "MBEDTLS_CONFIG_FILE=\"bl702l-chip-mbedtls-config.h\"" ]
+  }
+
+  source_set("${sdk_target_name}_mbedtls") {
+    defines = [ "MBEDTLS_ECP_ALT_KEEP_ORIGINAL=0" ]
+    include_dirs =
+        [ "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library" ]
+
+    sources = [
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/port/hw_acc/aes_alt.c",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/port/hw_acc/bignum_hw.c",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/port/hw_acc/ecp_alt.c",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/port/hw_acc/ecp_curves_alt.c",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/port/hw_acc/hw_common.c",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/port/hw_acc/hw_common.h",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/port/hw_acc/sha1_alt.c",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/port/hw_acc/sha256_alt.c",
+    ]
+
+    sources += [
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/port/bignum_ext.c",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/port/hw_entropy_poll.c",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/port/mbedtls_port_mem.c",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/port/net_sockets.c",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/port/pkparse.c",
+    ]
+
+    sources += [
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/aes.c",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/asn1parse.c",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/asn1write.c",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/base64.c",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/bignum.c",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/ccm.c",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/cipher.c",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/cipher_wrap.c",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/cmac.c",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/constant_time.c",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/ctr_drbg.c",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/ecdh.c",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/ecdsa.c",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/ecjpake.c",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/ecp.c",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/ecp_curves.c",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/entropy.c",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/hkdf.c",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/hmac_drbg.c",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/md.c",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/oid.c",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/pem.c",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/pk.c",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/pk_wrap.c",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/pkcs5.c",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/pkwrite.c",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/platform.c",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/platform_util.c",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/sha256.c",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/sha512.c",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/ssl_ciphersuites.c",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/ssl_cli.c",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/ssl_cookie.c",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/ssl_msg.c",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/ssl_srv.c",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/ssl_tls.c",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/x509.c",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/x509_create.c",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/x509_crt.c",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/x509write_csr.c",
+    ]
+
+    cflags_c = [
+      "-Wno-sign-compare",
+      "-Wno-implicit-function-declaration",
+    ]
+    configs += [
+      ":${sdk_target_name}_config_BSP_Driver",
+      ":${sdk_target_name}_config_hosal",
+      ":${sdk_target_name}_config_bl702l_rom_a0",
+    ]
+    public_configs = [
+      ":${sdk_target_name}_config",
+      ":${sdk_target_name}_config_mbedtls",
+    ]
+  }
+
   config("${sdk_target_name}_config_ble") {
     include_dirs = [
       "${bl_iot_sdk_root}/components/network/ble/btblecontroller/btble_inc",
@@ -503,24 +600,8 @@ template("bl_iot_sdk") {
       "${bl_iot_sdk_root}/components/network/ble/blestack/src/common/atomic_c.c",
       "${bl_iot_sdk_root}/components/network/ble/blestack/src/common/buf.c",
       "${bl_iot_sdk_root}/components/network/ble/blestack/src/common/dec.c",
-      "${bl_iot_sdk_root}/components/network/ble/blestack/src/common/dummy.c",
       "${bl_iot_sdk_root}/components/network/ble/blestack/src/common/log.c",
       "${bl_iot_sdk_root}/components/network/ble/blestack/src/common/poll.c",
-      "${bl_iot_sdk_root}/components/network/ble/blestack/src/common/tinycrypt/source/aes_decrypt.c",
-      "${bl_iot_sdk_root}/components/network/ble/blestack/src/common/tinycrypt/source/aes_encrypt.c",
-      "${bl_iot_sdk_root}/components/network/ble/blestack/src/common/tinycrypt/source/cbc_mode.c",
-      "${bl_iot_sdk_root}/components/network/ble/blestack/src/common/tinycrypt/source/ccm_mode.c",
-      "${bl_iot_sdk_root}/components/network/ble/blestack/src/common/tinycrypt/source/cmac_mode.c",
-      "${bl_iot_sdk_root}/components/network/ble/blestack/src/common/tinycrypt/source/ctr_mode.c",
-      "${bl_iot_sdk_root}/components/network/ble/blestack/src/common/tinycrypt/source/ctr_prng.c",
-      "${bl_iot_sdk_root}/components/network/ble/blestack/src/common/tinycrypt/source/ecc.c",
-      "${bl_iot_sdk_root}/components/network/ble/blestack/src/common/tinycrypt/source/ecc_dh.c",
-      "${bl_iot_sdk_root}/components/network/ble/blestack/src/common/tinycrypt/source/ecc_dsa.c",
-      "${bl_iot_sdk_root}/components/network/ble/blestack/src/common/tinycrypt/source/ecc_platform_specific.c",
-      "${bl_iot_sdk_root}/components/network/ble/blestack/src/common/tinycrypt/source/hmac.c",
-      "${bl_iot_sdk_root}/components/network/ble/blestack/src/common/tinycrypt/source/hmac_prng.c",
-      "${bl_iot_sdk_root}/components/network/ble/blestack/src/common/tinycrypt/source/sha256.c",
-      "${bl_iot_sdk_root}/components/network/ble/blestack/src/common/tinycrypt/source/utils.c",
       "${bl_iot_sdk_root}/components/network/ble/blestack/src/common/utils.c",
       "${bl_iot_sdk_root}/components/network/ble/blestack/src/common/work_q.c",
       "${bl_iot_sdk_root}/components/network/ble/blestack/src/hci_onchip/hci_driver.c",
@@ -616,96 +697,6 @@ template("bl_iot_sdk") {
       "${openthread_root}/src/core:libopenthread_core_headers",
     ]
   }
-  config("${sdk_target_name}_config_mbedtls") {
-    include_dirs = [
-      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/include",
-      "${bl_iot_sdk_root}/components/security/mbedtls_lts/port",
-      "${chip_root}/src/platform/bouffalolab/BL702L",
-    ]
-
-    defines = [ "MBEDTLS_CONFIG_FILE=\"bl702l-chip-mbedtls-config.h\"" ]
-  }
-
-  source_set("${sdk_target_name}_mbedtls") {
-    include_dirs =
-        [ "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library" ]
-
-    sources = [
-      "${bl_iot_sdk_root}/components/security/mbedtls_lts/port/hw_acc/aes_alt.c",
-      "${bl_iot_sdk_root}/components/security/mbedtls_lts/port/hw_acc/bignum_hw.c",
-      "${bl_iot_sdk_root}/components/security/mbedtls_lts/port/hw_acc/ecp_alt.c",
-      "${bl_iot_sdk_root}/components/security/mbedtls_lts/port/hw_acc/ecp_curves_alt.c",
-      "${bl_iot_sdk_root}/components/security/mbedtls_lts/port/hw_acc/hw_common.c",
-      "${bl_iot_sdk_root}/components/security/mbedtls_lts/port/hw_acc/hw_common.h",
-      "${bl_iot_sdk_root}/components/security/mbedtls_lts/port/hw_acc/sha1_alt.c",
-      "${bl_iot_sdk_root}/components/security/mbedtls_lts/port/hw_acc/sha256_alt.c",
-    ]
-
-    sources += [
-      "${bl_iot_sdk_root}/components/security/mbedtls_lts/port/bignum_ext.c",
-      "${bl_iot_sdk_root}/components/security/mbedtls_lts/port/hw_entropy_poll.c",
-      "${bl_iot_sdk_root}/components/security/mbedtls_lts/port/mbedtls_port_mem.c",
-      "${bl_iot_sdk_root}/components/security/mbedtls_lts/port/net_sockets.c",
-      "${bl_iot_sdk_root}/components/security/mbedtls_lts/port/pkparse.c",
-    ]
-
-    sources += [
-      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/aes.c",
-      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/asn1parse.c",
-      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/asn1write.c",
-      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/base64.c",
-      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/bignum.c",
-      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/ccm.c",
-      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/cipher.c",
-      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/cipher_wrap.c",
-      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/cmac.c",
-      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/constant_time.c",
-      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/ctr_drbg.c",
-      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/ecdh.c",
-      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/ecdsa.c",
-      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/ecjpake.c",
-      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/ecp.c",
-      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/ecp_curves.c",
-      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/entropy.c",
-      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/hkdf.c",
-      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/hmac_drbg.c",
-      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/md.c",
-      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/oid.c",
-      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/pem.c",
-      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/pk.c",
-      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/pk_wrap.c",
-      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/pkcs5.c",
-      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/pkwrite.c",
-      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/platform.c",
-      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/platform_util.c",
-      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/sha256.c",
-      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/sha512.c",
-      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/ssl_ciphersuites.c",
-      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/ssl_cli.c",
-      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/ssl_cookie.c",
-      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/ssl_msg.c",
-      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/ssl_srv.c",
-      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/ssl_tls.c",
-      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/x509.c",
-      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/x509_create.c",
-      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/x509_crt.c",
-      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/x509write_csr.c",
-    ]
-
-    cflags_c = [
-      "-Wno-sign-compare",
-      "-Wno-implicit-function-declaration",
-    ]
-    configs += [
-      ":${sdk_target_name}_config_BSP_Driver",
-      ":${sdk_target_name}_config_hosal",
-      ":${sdk_target_name}_config_bl702l_rom_a0",
-    ]
-    public_configs = [
-      ":${sdk_target_name}_config",
-      ":${sdk_target_name}_config_mbedtls",
-    ]
-  }
 
   config("${sdk_target_name}_config_factory_data") {
     include_dirs = [ "${bl_iot_sdk_root}/components/network/matter/matter_factory_data/include" ]
diff --git a/third_party/bouffalolab/repo b/third_party/bouffalolab/repo
index a3be70dc5341a4..690b348635806f 160000
--- a/third_party/bouffalolab/repo
+++ b/third_party/bouffalolab/repo
@@ -1 +1 @@
-Subproject commit a3be70dc5341a4f6c9696f071a38a5953f694ce4
+Subproject commit 690b348635806f312b61ddcc5b2c566daafe833e