> > > U-Boot> boot                      
> >           ^^^^
> > You want to call bootelf (note that you need u-boot
> > compiled with the
> > CFG_CMD_ELF option). Please have a look at the
> > README file, it may
> > not be fully exhaustive, but certainly provides a
> > goot starting point.
> > Apart from that, every command has a short usage
> > description (look for
> > U_BOOT_CMD macro in the sources), and the code
> > itself is well written.
> 
> Thanks for the quick reply. I took a look at my
> board.h,
> it defines:
> #define CONFIG_COMMANDS (  CONFIG_CMD_DFL       \
> | CFG_CMD_ELF \
> ....)
> so it means it can boot elf image. The weird thing is
> my u-boot doesn't have bootelf command. Did I miss
> something? Thanks.

Hmm, that should be enough IIRC. If a clean recompile doesn't help,
perhaps try asking at u-boot-users@lists.sourceforge.net -- the list
may be a bit noisy, but people tend to be helpful.

	Regards,
		-- Jachym Holecek