Index: configs/firefly-rk3399_defconfig
--- configs/firefly-rk3399_defconfig.orig
+++ configs/firefly-rk3399_defconfig
@@ -48,7 +48,7 @@ CONFIG_PWM_ROCKCHIP=y
 CONFIG_DM_RESET=y
 CONFIG_DM_RNG=y
 CONFIG_RNG_ROCKCHIP=y
-CONFIG_BAUDRATE=1500000
+CONFIG_BAUDRATE=115200
 CONFIG_DEBUG_UART_SHIFT=2
 CONFIG_SYSRESET=y
 CONFIG_USB=y
