MX6SDL SABRESD U-Boot > printenv
bootdelay=3
baudrate=115200
ipaddr=192.168.1.103
serverip=192.168.1.101
netmask=255.255.255.0
loadaddr=0x10800000
rd_loadaddr=(0x10800000 + 0x300000)
netdev=eth0
ethprime=FEC0
uboot=u-boot.bin
kernel=uImage
nfsroot=/opt/eldk/arm
bootargs_base=setenv bootargs console=ttymxc0,115200
bootargs_nfs=setenv bootargs ${bootargs} root=/dev/nfs ip=dhcp nfsroot=${serverip}:${nfsroot},v3,tcp
bootcmd_net=run bootargs_base bootargs_nfs; tftpboot ${loadaddr} ${kernel}; bootm
bootargs_mmc=setenv bootargs ${bootargs} ip=dhcp root=/dev/mmcblk0p1 rootwait
bootcmd_mmc=run bootargs_base bootargs_mmc; mmc dev 3; mmc read ${loadaddr} 0x800 0x2000; bootm
bootcmd=run bootcmd_net
stdin=serial
stdout=serial
stderr=serial
ethact=FEC0
bootargs=console=ttymxc0,115200 root=/dev/nfs ip=dhcp nfsroot=192.168.1.101:/opt/eldk/arm,v3,tcp
设置是从通过nfs挂载启动的，要从emmc启动的话要怎么设置啊
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