diff --git a/plat/rockchip/px30/px30_def.h b/plat/rockchip/px30/px30_def.h
index 021165a..9b8ccfc 100644
--- a/plat/rockchip/px30/px30_def.h
+++ b/plat/rockchip/px30/px30_def.h
@@ -54,6 +54,9 @@
 #define UART2_BASE		0xff160000
 #define UART2_SIZE		SIZE_K(64)
 
+#define UART5_BASE		0xff178000
+#define UART5_SIZE		SIZE_K(64)
+
 #define I2C0_BASE		0xff180000
 #define I2C0_SIZE		SIZE_K(64)