VFS: Cannot open root device "ubi0:rootfs" or unknown-block(2,0)
Please append a correct "root=" boot option; here are the available partitions:
1f00       1024 mtdblock0 (driver?)
1f01       2048 mtdblock1 (driver?)
1f02     521216 mtdblock2 (driver?)
Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(2,0)