uboot configure the startup parameters of the tftp

1, uboot kernel configuration and dts, file system

           First kernel and dts is to get the configuration by tftpboot

           Nfs file system is mounted implement

   

# setenv serverip 192.168.9.120
# setenv ipaddr 192.168.9.233
# setenv bootcmd tftp 41000000 uImage\;tftp 42000000 exynos4412-fs4412.dtb\;bootm 41000000 - 42000000、
#setenv bootargs root=/dev/nfs nfsroot=192.168.9.120:/source/rootfs rw console=ttySAC2,115200  init=/linuxrc  ip=192.168.9.233
# saveenv

　　

2、openwrt uboot

https://oldwiki.archive.openwrt.org/doc/techref/bootloader/uboot.config

Reference document: "System Migration Laboratory Manual .doc"