[RFC] Device tree for new desktop platform in arch/powerpc

[Gerhard Pircher]

-------- Original-Nachricht --------
Datum: Thu, 21 Jun 2007 22:36:46 +1000
Von: Benjamin Herrenschmidt <benh at kernel.crashing.org>
An: Gerhard Pircher <gerhard_pircher at gmx.net>
CC: linuxppc-dev at ozlabs.org, list <linuxppc-dev at ozlabs.org>
Betreff: Re: [RFC] Device tree for new desktop platform in arch/powerpc

> You should have /pci/isa <--- this is the PCI2ISA bridge
> 
> and the ISA devices below that. Best is I send you an example of a CHRP
> or pSeries devie-tree with ISA stuff on it tomorrow. Ping me if I
> forget.
That would help a lot. Thank you!

> Haven't looked at your .dts yet but it should be "interrupt-controller",
> compatible "chrp,iic" or "i8259", with a #interrupt-cells of 2 and
> interrupts following the standard ISA encoding. You probably also want
> an interrupt-parent property in the isa bridge node pointing back to the
> 8259 so it becomes the default for all ISA devices.
What about PCI devices? Wouldn't it better to define the interrupt-parent property in the PCI bus node?

Gerhard
-- 
GMX FreeMail: 1 GB Postfach, 5 E-Mail-Adressen, 10 Free SMS.
Alle Infos und kostenlose Anmeldung: http://www.gmx.net/de/go/freemail