diff --git a/BSP/u-boot/Makefile b/BSP/u-boot/Makefile
old mode 100644
new mode 100755
index cc3637899..2610ac0bf
--- a/BSP/u-boot/Makefile
+++ b/BSP/u-boot/Makefile
@@ -660,9 +660,11 @@ KBUILD_CFLAGS   += $(call cc-option,-Werror=date-time)
 include scripts/Makefile.extrawarn
 
 # Add user supplied CPPFLAGS, AFLAGS and CFLAGS as the last assignments
+MODEL = $(shell echo $(NVT_PRJCFG_MODEL_CFG) | sed 's/.*\/configs\/Linux\/cfg_\([^\/]*\)\/ModelConfig.mk/\1/g')
+
 KBUILD_CPPFLAGS += $(KCPPFLAGS)
 KBUILD_AFLAGS += $(KAFLAGS)
-KBUILD_CFLAGS += $(KCFLAGS)
+KBUILD_CFLAGS += $(KCFLAGS) -D_$(MODEL)_
 
 # Use UBOOTINCLUDE when you must reference the include/ directory.
 # Needed to be compatible with the O= option
diff --git a/BSP/u-boot/include/configs/nvt-na51089-evb.h b/BSP/u-boot/include/configs/nvt-na51089-evb.h
index 8b7654332..b441137d5 100755
--- a/BSP/u-boot/include/configs/nvt-na51089-evb.h
+++ b/BSP/u-boot/include/configs/nvt-na51089-evb.h
@@ -81,7 +81,11 @@
 #define	PWM_LED_ERASE 50
 #define	PWM_LED_PROGRAM 5
 #else
+#if defined(_565_HUNTING_EVB_LINUX_4G_S530_)
 #define NVT_LED_PIN DSI_GPIO(9)
+#elif defined(_565_HUNTING_EVB_LINUX_4G_S550_)
+#define NVT_LED_PIN P_GPIO(10)
+#endif
 #define NVT_LED_ERASE_DURATION 30
 #define NVT_LED_PROGRAM_DURATION 10
 #endif