EmbedSky> setenv ipaddr 192.168.1.6
EmbedSky> setenv serverip 192.168.1.100
EmbedSky> setenv netmask 255.255.255.0
EmbedSky> setenv ethaddr 1a:2b:3c:4d:5e
EmbedSky> saveenv
Saving Environment to NAND...
Erasing Nand...Writing to Nand... done
EmbedSky> tftp 0x33000000 u-boot-20101001.bin
dm9000 i/o: 0x20000300, id: 0x90000a46
MAC: 1a:2b:3c:4d:5e:00
TFTP from server 192.168.1.100; our IP address is 192.168.1.6
Filename 'u-boot-20101001.bin'.
Load address: 0x33000000
Loading: checksum bad
checksum bad
T T T T T T T T T T
Retry count exceeded; starting again