diff --git a/arch/arm/boot/dts/aspeed-bmc-opp-palmetto.dts b/arch/arm/boot/dts/aspeed-bmc-opp-palmetto.dts
index 78f886c0c077086684aaf795eb3f9b1df8799b6d..e21388369aa086254535955a844d4be91765703c 100644
--- a/arch/arm/boot/dts/aspeed-bmc-opp-palmetto.dts
+++ b/arch/arm/boot/dts/aspeed-bmc-opp-palmetto.dts
@@ -12,11 +12,11 @@
 
 	chosen {
 		stdout-path = &uart5;
-		bootargs = "console=ttyS4,38400 earlyprintk";
+		bootargs = "console=ttyS4,115200 earlyprintk";
 	};
 
 	memory {
-		reg = <0x40000000 0x10000000>;
+		reg = <0x40000000 0x20000000>;
 	};
 
 	reserved-memory {