4.6.1. The powerful U-Boot command line interface

DULG chapter

• first steps: help
• environment variables
  • predefined or user defined
  • can contain scripts (run)
  • setting, deleting

• common pitfalls: cursor keys, using '=' in setenv, all numbers are hex!

• U-Boot will not try to stop you from doing something silly!

• setup ethaddr and netdev

serial#	MAC adress
eth1addr 00:10:ec:80:c5:15
eth1addr 00:10:ec:80:cb:cd
eth1addr 00:10:ec:80:cb:e0
50453	ethaddr 00:10:ec:00:c5:15
	52173	ethaddr 00:10:ec:00:cb:cd
52192		ethaddr 00:10:ec:00:cb:e0

• Using environment variables to simplify boot.
• Example: run net_nfs, flash_nfs, flash_self