挂载NFS文件系统启动

1.在服务器上启动NFS服务

2.修改UBOOT启动参数bootargs

OpenJTAG> print

bootcmd=nand read.jffs2 0x30007FC0 kernel; bootm 0x30007FC0

bootdelay=2

ethaddr=08:00:3e:26:0a:5b

netmask=255.255.255.0

mtdids=nand0=nandflash0

mtdparts=mtdparts=nandflash0:256k@0(bootloader),128k(params),2m(kernel),-(root)

ipaddr=192.168.1.111

serverip=192.168.1.103

baudrate=19200

filesize=306AC

bootargs=noinitrd root=/dev/nfs nfsroot=192.168.1.104:/work/nfs_root/first_fs ip=192.168.1.17:192.168.1.104:192.168.1.1:255.255.255.0::eth0:off init=/linuxrc console=ttySAC0

stdin=serial

stdout=serial

stderr=serial

partition=nand0,0

mtddevnum=0

mtddevname=bootloader

OpenJTAG>set bootargs noinitrd root=/dev/nfs nfsroot=192.168.1.104:/work/nfs_root/first_fs ip=192.168.1.17:192.168.1.104:192.168.1.1:255.255.255.0::eth0:off init=/linuxrc console=ttySAC0

3.OpenJTAG>boot