command in uboot

setenv ipaddr 10.100.34.47
setenv gatewayip 10.100.32.1
setenv netmask 255.255.252.0
saveenv

        setenv tftp_path $tftp_path;    \
        setenv bootcmd $bootcmd;        \
        setenv bootimage $bootimage;    \
        setenv fdtimage $fdtimage;      \
        setenv bootdelay 1;             \
        setenv date $date;              \
 

run netload;mmc write ${fdt_addr} 0x2000 0x180;mmc write ${kernel_addr} 0x2200 0x10000
setenv bootcmd ‘mmc dev 1;mmc read ${fdt_addr} 0x2000 0x180;md ${fdt_addr};mmc read ${kernel_addr} 0x2200 0x10000;md ${kernel_addr};booti $kernel_addr - $fdt_addr’;saveenv
setenv bootcmd ‘run bootsd’;saveenv
 

mount -t nfs -o nolock 10.100.34.45:/opt/nfs/ /mnt/nfs/