command bootu to start kernel

Juergen Beisert jbe at
Wed Oct 27 09:33:15 EDT 2010

Belisko Marek wrote:
> I have mini2440 board with barebox running from RAM.
> I try to start uImage kernel for that platform but I'm little bit
> confused how to do it.
> I do tftp uImage and the bootu uImage but it always hangs :
> commandline: console=ttySAC0,115200
> arch_number: 1999
> I track down that theKernel pointer point to 0xffffffff (memmap return
> (void*)-1) which is obviously wrong.
> If I understand correctly bootu function take first parameter and try to
> open a file and memmap. If file isn't opened successfully then convert
> string address which is then taken for
> theKernel pointer.
> Is this correct procedure or do I something wrong?

Try to start a zImage with "bootz". On my system 'bootm' and 'bootu' do not 


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