Problem with OF interrupt parsing code
Gerhard Pircher
gerhard_pircher at gmx.net
Wed Oct 3 17:43:47 EST 2007
-------- Original-Nachricht --------
> Datum: Wed, 03 Oct 2007 08:03:27 +1000
> Von: Benjamin Herrenschmidt <benh at kernel.crashing.org>
> An: Gerhard Pircher <gerhard_pircher at gmx.net>
> CC: linuxppc-dev at ozlabs.org
> Betreff: Re: Problem with OF interrupt parsing code
>
> On Tue, 2007-10-02 at 14:38 +0200, Gerhard Pircher wrote:
> > I know that it's ugly, but the problem is how to distinguish the
> > boards. The only real difference I know of is the PCI interrupt
> > mapping. The northbridges chip revision for example is always the
> > same, but CPU type, amount of memory and PCI devices can appear in
> > all possible combinations. The firmware doesn't tell me, which board
> > the kernel is runnning on, so I would like to rely on this fall back
> > here until I get the chance to update the firmware (which is beyond
> > my control).
>
> And how does the firmware know ? There must be a strap somewhere...
>
> Ben.
Good question. I don't know. Anyway I changed the device tree based on
your comments and now it works (at least until the kernel deadlocks
somewhere else). :(
Gerhard
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