uboot烧写前网络准备

uboot网络设置与PING

手动设置UBOOT网络信息

setenv ipaddr 192.168.0.66
setenv ethaddr 11:22:33:44:55:66
setenv gatewayip 192.168.0.1
setenv netmask 255.255.255.0
setenv serverip 192.168.0.3
saveenv

设置完成后，也不要重启，直接就可以ping,就是慢了一点

=> ping 192.168.0.3
FEC1 Waiting for PHY auto negotiation to complete..... done
Using FEC1 device
host 192.168.0.3 is alive

NFS网络配置

setenv bootcmd 'tftp 80800000 zImage; tftp 83000000 imx6ull-14x14-evk-emmc.dtb;bootz 80800000 - 83000000'

setenv bootargs 'console=ttymxc0,115200 root=/dev/nfs \
nfsroot=192.168.0.3:/home/zzmt/Desktop/nfs/rootfs,proto=tcp rw \
ip=192.168.0.66:192.168.0.3:192.168.0.1:255.255.255.0::eth0:off '

saveenv