diff --git a/configs/evb-rk3568_defconfig b/configs/evb-rk3568_defconfig
index db3acf5..7374ee4 100644
--- a/configs/evb-rk3568_defconfig
+++ b/configs/evb-rk3568_defconfig
@@ -63,5 +63,6 @@
 CONFIG_DM_RESET=y
 CONFIG_BAUDRATE=1500000
 CONFIG_DEBUG_UART_SHIFT=2
+CONFIG_SYS_NS16550_MEM32=y
 CONFIG_SYSRESET=y
 CONFIG_ERRNO_STR=y