setenv bootcmd 'tftpboot 0x80700000 uImage; bootm 0x80700000'
setenv serverip 192.168.1.99
setenv bootfile uImage
setenv bootargs 'console=ttyS0,115200n8 noinitrd rw ip=dhcp root=/dev/nfs nfsroot=192.168.1.99:/disk2/nfs,nolock mem=80M video=davincifb:vid0=OFF:vid1=OFF:osd0=720x576x16,4050K dm365_imp.oper_mode=0 davinci_capture.device_type=4'
saveenv
boot
ip=dhcp这样是动态分配IP的，固定ip的话只要这里输入ip地址即可ip=192.168.1.122