RFC: Booting the Linux/ppc64 kernel without Open Firmware HOWTO (#2)
Segher Boessenkool
segher at kernel.crashing.org
Fri May 20 02:24:37 EST 2005
> AFAICS, the pci device tree is currently required if you want to
> use an IOMMU
Works fine without it, on Maple at least.
> or if you want PCI-X or PCIe style devices with
> extended PCI config space.
Dunno.
> I wouldn't be surprised if other
> functionality also depends on it.
If you're unlucky enough to have inherited your code from the pSeries
port, then yes, it probably does.
Segher
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