test

dhcp - grabs ip
tftp a2000000 root_fs_arm_nofpu - copys image to memory using tftp
era 1:2-31 - erases first 4MB of flash
era 1:2-127 - erases all 16MB
protect on 1:0-1 && erase all - erases all
cp.b a2000000 40000 ${filesize} - copies image from memory to flash