s5pv210 linux开发nfs挂载用的rootfs（解压可成功挂载）
uboot环境变量设置：
x210 # printenv
baudrate=115200
ethact=dm9000
ethaddr=00:40:5c:26:0a:5b
mtdpart=80000 400000 3000000
bootdelay=2
filesize=60000
fileaddr=C0008000
netmask=255.255.255.0
gatewayip=192.168.199.1
serverip=192.168.199.179
ipaddr=192.168.199.188
bootcmd=tftp 30008000 zImage;bootm 30008000
bootargs=root=/dev/nfs nfsroot=192.168.199.179:/opt/rootfs ip=192.168.199.188:192.168.199.179:192.168.199.1:255.255.255.0::eth0:off init=/linuxrc console=ttySAC2,1
