diff --git a/configs/stmark2_defconfig b/configs/stmark2_defconfig
index 036ff70..262f169 100644
--- a/configs/stmark2_defconfig
+++ b/configs/stmark2_defconfig
@@ -5,6 +5,8 @@
 CONFIG_ENV_SECT_SIZE=0x10000
 CONFIG_TARGET_STMARK2=y
 CONFIG_SYS_EXTRA_OPTIONS="CF_SBF,SYS_SERIAL_BOOT,SYS_INPUT_CLKSRC=30000000"
+CONFIG_USE_BOOTARGS=y
+CONFIG_BOOTARGS="console=ttyS0,115200 root=/dev/ram0 rw rootfstype=ramfs rdinit=/bin/init devtmpfs.mount=1"
 # CONFIG_DISPLAY_BOARDINFO is not set
 CONFIG_HUSH_PARSER=y
 # CONFIG_CMDLINE_EDITING is not set