[coreboot] [PATCH] v3: fix PCI bus scan / device tree interaction
Myles Watson
mylesgw at gmail.com
Mon Sep 8 20:27:42 CEST 2008
2008/8/30 Stefan Reinauer <stepan at coresystems.de>
> ron minnich wrote:
> > so let's do this. Use the new v2 device tree visualizer on serengeti
> > and see how it looks.
> >
> With a little for loop I was able to produce images for all mainboards
>
> http://www.coresystems.de/~stepan/devicetree/dot<http://www.coresystems.de/%7Estepan/devicetree/dot>
> http://www.coresystems.de/~stepan/devicetree/fdp<http://www.coresystems.de/%7Estepan/devicetree/fdp>
>
Thanks Stefan,
This is really helpful. I think it would be great if there were some way to
color or designate devices per chip. I was looking at
http://www.coresystems.de/~stepan/devicetree/dot/static-tyan_s2892.png and I
couldn't see the second Opteron. Am I missing something? If each chip were
colored or enclosed in a box it seems like it would make it easier.
Looking at
http://www.coresystems.de/~stepan/devicetree/dot/static-tyan_s2895.png I see
the second Opteron's northbridge_amd_amdk8 and it's related 6 pci functions,
but I don't see two cpu_amd_socket940 apic or chip constructs.
Thanks,
Myles
>
> This patch creates static.dot visualizing the coreboot device tree (v2)
> I created it do debug problems with the device/resource allocator.
>
> create pngs with
> $ fdp -o static.png -Tpng static.dot
> or
> $ dot -o static.png -Tpng static.dot
>
> TODO/ideas:
> re-introduce colored links again, dropped for now
> node colors according to device type?
> add an agenda
>
>
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