i see in other post that board same as what i have, i run this command:
setenv dh_keyboard 0
saveenv
reset
after this i can see after boot more info...
U-Boot 2010.06-svn2635 (May 28 2015 - 10:21:40)
I2C: ready
DRAM: 256 MiB
gBootLogPtr:80580008.
NAND: HW ECC BCH8 Selected
128 MiB
partition...