setenv arcNumber 2097
setenv bootargs_root 'root=/dev/sda1 rootdelay=15'
setenv bootcmd_usb 'usb start; ext2load usb 0:1 0x6400000 /boot/uImage-2.6.30-sheevaplug'
setenv bootcmd 'setenv bootargs $(console) $(bootargs_root); run bootcmd_usb; bootm 0x6400000'
saveenv