[coreboot] domain vs device statictree order
marcj303 at gmail.com
Thu Jan 8 19:35:19 CET 2009
On Thu, Jan 8, 2009 at 11:27 AM, Myles Watson <mylesgw at gmail.com> wrote:
> On Thu, Jan 8, 2009 at 11:00 AM, Ward Vandewege <ward at gnu.org> wrote:
>> On Thu, Jan 08, 2009 at 08:52:44AM -0700, Myles Watson wrote:
>>> On Thu, Jan 8, 2009 at 6:58 AM, Ward Vandewege <ward at gnu.org> wrote:
>>> > On Wed, Jan 07, 2009 at 09:39:39PM -0700, Myles Watson wrote:
>>> >> > The rev that broke the boot was 1089 or 1090. 1089 does not build, so I can't
>>> >> > tell for sure. 1088 boots fine. 1090 is broken.
>>> >> They might have well been the same commit because they were
>>> >> interdependent. It was just an easier way of looking at the changes
>>> >> for me.
>>> >> Thanks for tracking it down. Could you send me a log from 1088?
>>> >> Hopefully we can track it down quickly.
>>> > Sure, see attached.
>>> The biggest difference that I see is that there is no graphics device
>>> (PCI 1.1) in the broken one. In 1088 it was found dynamically (not in
>>> the tree), but now it isn't found at all.
>>> Since it was supposed to be disabled by:
>>> /* this board does not really have vga; disable it (pci device 00:01.1) */
>>> unwanted_vpci = < 80000900 0 >;
>>> in the dts, I'm not sure why it disappeared now.
>>> Possible solution:
>>> - Try it again without the unwanted_vpci line in the dts.
>>> I guess I don't understand why the device is gone now. I didn't think
>>> the changes I've made would make the device disappear.
>> I have not tried that yet, but here's a boot log from v1108, which still does
>> not boot but it stops in a different place now, it seems.
> Thanks for your patience. One problem is that there is no area
> reserved for the APIC and the ROM. I think we should add a reserved
> resource in the domain that goes from 0xfc000000-0xffffffff. That
> will stop allocations from going there.
> I copied the reserved areas from i440bx_emulation. Like the comments
> say, I know these need to be reserved areas, but I'm not exactly sure
> where they belong.
> Compile tested.
> Signed-off-by: Myles Watson <mylesgw at gmail.com>
There is just a PIC in the Geode so you don't need to reserve the
LAPIC range. You do still need to reserve the ROM range. Just fix up
Acked-by: Marc Jones <marcj303 at gmail.com>
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