diff --git a/arch/arm/mach-rockchip/Kconfig b/arch/arm/mach-rockchip/Kconfig
index 36ec749a04..880171f022 100644
--- a/arch/arm/mach-rockchip/Kconfig
+++ b/arch/arm/mach-rockchip/Kconfig
@@ -283,6 +283,12 @@ config ROCKCHIP_RK3368
 
 if ROCKCHIP_RK3368
 
+config ROCKCHIP_PX5
+	bool "Support Rockchip PX5"
+	help
+	  PX5 is a variant of RK3368, it shares codes with RK3368, but we still
+	  need this macro to distinguish PX5 and RK3368.
+
 config TPL_LDSCRIPT
 	default "arch/arm/mach-rockchip/rk3368/u-boot-tpl.lds"
 
diff --git a/configs/evb-px5_defconfig b/configs/evb-px5_defconfig
index e9f2c05265..bd59bc3e08 100644
--- a/configs/evb-px5_defconfig
+++ b/configs/evb-px5_defconfig
@@ -2,6 +2,7 @@ CONFIG_ARM=y
 CONFIG_ARCH_ROCKCHIP=y
 CONFIG_SYS_MALLOC_F_LEN=0x1000
 CONFIG_ROCKCHIP_RK3368=y
+CONFIG_ROCKCHIP_PX5=y
 CONFIG_TARGET_EVB_PX5=y
 CONFIG_DEFAULT_DEVICE_TREE="rk3368-px5-evb"
 CONFIG_DEBUG_UART=y