Waiting 20sec before mounting root device...
s3c-sdi s3c2440-sdi: running at 398kHz (requested: 400kHz).
s3c-sdi s3c2440-sdi: powered down.
mmc0: error -110 whilst initialising SD card
s3c-sdi s3c2440-sdi: powered down.
Root-NFS: No NFS server available, giving up.
VFS: Unable to mount root fs via NFS, trying floppy.
VFS: Cannot open root device "mmcblk0p1" or unknown-block(2,0)
Please append a correct "root=" boot option; here are the available partitions:
1f00             256 mtdblock0 (driver?)
1f01             128 mtdblock1 (driver?)
1f02            5120 mtdblock2 (driver?)
1f03          256640 mtdblock3 (driver?)
Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(2,0)