-#define CONFIG_BOOTARGS "console=ttyS4,115200n8 root=/dev/mtdblock4 ro" +#define CONFIG_BOOTARGS "console=ttyS4,115200n8 ubi.mtd=obmc-ubi,0,0,0 ubi.mtd=alt-obmc-ubi,0,0,4 ro rootfstype=squashfs" ...