Index: arch/arm/dts/rk3328-nanopi-r2s.dts
--- arch/arm/dts/rk3328-nanopi-r2s.dts.orig
+++ arch/arm/dts/rk3328-nanopi-r2s.dts
@@ -19,7 +19,7 @@
 	};
 
 	chosen {
-		stdout-path = "serial2:1500000n8";
+		stdout-path = "serial2:115200n8";
 	};
 
 	gmac_clk: gmac-clock {
