Index: src/arm64/rockchip/rk3399-firefly.dts
--- src/arm64/rockchip/rk3399-firefly.dts.orig
+++ src/arm64/rockchip/rk3399-firefly.dts
@@ -22,7 +22,7 @@
 	};
 
 	chosen {
-		stdout-path = "serial2:1500000n8";
+		stdout-path = "serial2:115200n8";
 	};
 
 	backlight: backlight {
