diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig
index 102469a619..9aa54e0559 100644
--- a/drivers/serial/Kconfig
+++ b/drivers/serial/Kconfig
@@ -348,6 +348,7 @@ config DEBUG_UART_SKIP_INIT
 
 config DEBUG_UART_ALWAYS
 	bool "Always use debug UART mode"
+	default y if !ROCKCHIP_PX5
 	help
 	  Say y to always use debug UART, skip complicated console UART register.