NAND: 512 MiB
MMC: davinci: 0
Bad block table found at page 262080, version 0x01
Bad block table found at page 262016, version 0x01
*** Warning - bad CRC, using default environment
In: serial
Out: serial
Err: serial
ARM Clock : 456000000 Hz
DDR Clock : 150000000 Hz
Net: Ethernet PHY: GENERIC @ 0x07
DaVinci-EMAC
Hit any key to stop autoboot: 3 2 1 0
Card did not respond to voltage select!
Unknown command 'sf' - try 'help'
Unknown command 'sf' - try 'help'
Wrong Image Format for bootm command
ERROR: can't get kernel image!
U-Boot >
这是按Quick Start Guide做到最后一步时候出现的问题,求助!