(1)内核配置
取消选项 General setup-->Initial RAM filesystem and RAM disk (initramfs/initrd) support
进入File system-->Network File systems-->Root file system on NFS 选中
(2)启动参数配置
setenv bootargs noinitrd console=ttySAC0,115200 init=/init root=/dev/nfs rw
nfsroot=192.168.2.103:/root/wksp/rootfs
ip=192.168.2.106:192.168.2.103:192.168.2.1:255.255.255.0::eth0:off