"mmcdev=0\0" \
"mmcroot=/dev/mmcblk0p2 rw\0" \
"mmcrootfstype=ext3 rootwait\0" \
- "nandroot=/dev/mtdblock4 rw\0" \
- "nandrootfstype=jffs2\0" \
+ "nandroot=ubi0:rootfs ubi.mtd=4\0" \
+ "nandrootfstype=ubifs\0" \
"mmcargs=setenv bootargs console=${console} " \
"${optargs} " \
"mpurate=${mpurate} " \