diff --git a/plat/rockchip/common/params_setup.c b/plat/rockchip/common/params_setup.c
index d0fea4f..708dc48 100644
--- a/plat/rockchip/common/params_setup.c
+++ b/plat/rockchip/common/params_setup.c
@@ -96,6 +96,11 @@
 		uart_base = UART4_BASE;
 		break;
 #endif
+#ifdef UART5_BASE
+	case 5:
+		uart_base = UART5_BASE;
+		break;
+#endif
 	default:
 		return;
 	}
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)