bootm - boot application image from memory
bootp - boot image via network using BootP/TFTP protocol
tftpboot- boot image via network using TFTP protocol
- and env variables ipaddr and serverip
+ and env variables ipaddr and serverip
rarpboot- boot image via network using RARP/TFTP protocol
bootd - boot default, i.e., run 'bootcmd'
loads - load S-Record file over serial line