Index: sys/boot/fdt/dts/arm/armada-38x.dtsi
===================================================================
--- sys/boot/fdt/dts/arm/armada-38x.dtsi
+++ sys/boot/fdt/dts/arm/armada-38x.dtsi
@@ -177,6 +177,7 @@
 				reg = <0x8000 0x1000>;
 				cache-unified;
 				cache-level = <2>;
+				arm,io-coherent;
 			};
 
 			scu@c000 {