diff --git a/configs/evb-rk3328_defconfig b/configs/evb-rk3328_defconfig
index 9421845..8a6d19a 100644
--- a/configs/evb-rk3328_defconfig
+++ b/configs/evb-rk3328_defconfig
@@ -88,6 +88,7 @@
 CONFIG_DEBUG_UART_SHIFT=2
 CONFIG_DEBUG_UART_ANNOUNCE=y
 CONFIG_DEBUG_UART_SKIP_INIT=y
+CONFIG_SYS_NS16550_MEM32=y
 CONFIG_SYSRESET=y
 # CONFIG_TPL_SYSRESET is not set
 CONFIG_USB=y