diff --git a/configs/spear320_usbtty_defconfig b/configs/spear320_usbtty_defconfig
index cf6b3c9..396b729 100644
--- a/configs/spear320_usbtty_defconfig
+++ b/configs/spear320_usbtty_defconfig
@@ -4,6 +4,8 @@
 CONFIG_SYS_EXTRA_OPTIONS="SPEAR320,USBTTY"
 CONFIG_ENV_IS_IN_FLASH=y
 CONFIG_BOOTDELAY=-1
+CONFIG_USE_BOOTARGS=y
+CONFIG_BOOTARGS="console=ttyAMA0,115200 mem=128M root=/dev/mtdblock3 rootfstype=jffs2"
 CONFIG_SYS_CONSOLE_INFO_QUIET=y
 # CONFIG_DISPLAY_BOARDINFO is not set
 CONFIG_CMD_NAND=y