Booting PPC Linux
s.hauer at pengutronix.de
Thu Mar 1 15:07:29 EST 2012
On Thu, Mar 01, 2012 at 07:41:35PM +0000, Renaud Barbier wrote:
> I have a uImage + dtb that use to boot on a MPC8544-like system
> a few months ago.
> After rebasing my code, it did not work.
> I notice that in arch/ppc/lib/ppclinux.c the kernel is now called
> with the device tree as a parameter.
> After investigation, I copied the device tree to within 8MB of the
> kernel entry point (0x0). It booted.
> Is the DTB relocation a missing step?
Yes, it seems so. barebox holds the device tree in malloced space. This
is likely outside 8MB of the kernel entry point. I was not aware of that
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 |
More information about the barebox