U-Boot 2010.06 (Sep 17 2013 - 20:39:50)
Hit ctrl+u to stop autoboot:  0
This program will upgrade software.
*******************************************************
*  ATTENTION!! PLEASE READ THIS NOTICE CAREFULLY!     *
*  Don't reset machine,or anything that interrupt it. *
*  The upgrade process must finish in 10 minutes!     *
*  If this program fails,machine might be unusable,   *
*  and you will need to reflash again.                *
*  If you find this too risky,power off machine now.  *
*******************************************************
Now press [u/U] key to upgrade software: b
HKVS # ?
?       - alias for 'help'
base    - print or set address offset
bootm   - boot application image from memory
bootp   - boot image via network using BOOTP/TFTP protocol
bubt    - Burn an boot image on the Boot Flash.
cmp     - memory compare
cp      - memory copy
cpld    - write cpld info to  encrypt media
crc32   - checksum calculation
dramtest- simple RAM read/write test
dramtest- simple RAM read/write test
go      - start application at address 'addr'
help    - print command description/usage
loadb   - load binary file over serial line (kermit mode)
loady   - load binary file over serial line (ymodem mode)
loop    - infinite loop on address range
md      - memory display
mii     - MII utility commands
mm      - memory modify (auto-incrementing address)
mtest   - simple RAM read/write test
mw      - memory write (fill)
nm      - memory modify (constant address)
ping    - send ICMP ECHO_REQUEST to network host
printenv- print environment variables
rarpboot- boot image via network using RARP/TFTP protocol
reset   - Perform RESET of the CPU
run     - run commands in an environment variable
saveenv - save environment variables to persistent storage
setenv  - set environment variables
sf      - SPI flash sub-system
tftp    - tftp  - download or upload image via network using TFTP protocol
update  - Update the digicap of the device.
version - print monitor version
HKVS #