On Wed, Oct 27, 2010 at 03:33:15PM +0200, Juergen Beisert wrote: > 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 > work. bootz is for starting zImages. At least this command has a convenient name :) bootz should work on your system aswell. If not, please complain loudly. bootu is a bit tricky though. To start a raw linux image it has to be copied to the exact address is is expected to run, for most boards this is start of sdram + 0x8000, but this may differ on some boards (it's basically PHYS_OFFSET + TEXT_OFFSET in the kernel) Sascha -- Pengutronix e.K. | | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox
