diff --git a/kernel/arch/arm/boot/dts/pro3288-linux.dts b/kernel/arch/arm/boot/dts/pro3288-linux.dts
index 702f3e031..68b24308a 100755
--- a/kernel/arch/arm/boot/dts/pro3288-linux.dts
+++ b/kernel/arch/arm/boot/dts/pro3288-linux.dts
@@ -236,4 +236,9 @@
 	pinctrl-0 = <&pwr_en>;
 };
 
+&uart2 {
+        status = "okay";
+//	status = "disabled";
+};
+
 
diff --git a/kernel/arch/arm/boot/dts/rk3288-linux.dtsi b/kernel/arch/arm/boot/dts/rk3288-linux.dtsi
index 5755d5282..de24c266a 100644
--- a/kernel/arch/arm/boot/dts/rk3288-linux.dtsi
+++ b/kernel/arch/arm/boot/dts/rk3288-linux.dtsi
@@ -8,7 +8,7 @@
 
 / {
 	chosen {
-		bootargs = "earlyprintk console=ttyFIQ0 rw root=PARTUUID=614e0000-0000 rootfstype=ext4 rootwait";
+		bootargs = "rw root=PARTUUID=614e0000-0000 rootfstype=ext4 rootwait";
 	};
 
 	/delete-node/ dmc@ff610000;
@@ -103,6 +103,7 @@
 		rockchip,baudrate = <115200>;  /* Only 115200 and 1500000 */
 		pinctrl-names = "default";
 		pinctrl-0 = <&uart2_xfer>;
+		status = "disabled";
 	};
 
 	psci {