From: Segher Boessenkool <segher@kernel.crashing.org>
To: "Gerhard Pircher" <gerhard_pircher@gmx.net>
Cc: linuxppc-dev@ozlabs.org
Subject: Re: Legacy ISA registers/interrupts in PCI device tree node
Date: Mon, 16 Jul 2007 17:05:49 +0200 [thread overview]
Message-ID: <B7E6FFC1-DD11-45E4-9F4D-ECD786C88023@kernel.crashing.org> (raw)
In-Reply-To: <20070716132902.118450@gmx.net>
>>> I wonder, if there is a recommended way to specify ISA register
>>> addresses and interrupts for a PCI device (unlike for a PCI2ISA
>>> bridge)?
>>
>> The PCI binding describes the required way to do this.
> Hmm, I must reread the PCI binding spec. It didn't seem to contain any
> information about this.
You can describe address regions in "reg" that aren't
corresponding to any PCI BAR. There is also a facility
to describe subtractive decoding (though I don't think
you need this).
>> Yes, it should, even if you don't use this in the Linux
>> kernel yet.
> Well, I still have to wire up the IDE interrupts in the platform setup
> code, right?
Sure, if you want those interrupts to work, anyway ;-)
Segher
prev parent reply other threads:[~2007-07-16 15:05 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-07-16 7:53 Legacy ISA registers/interrupts in PCI device tree node Gerhard Pircher
2007-07-16 8:59 ` Matt Sealey
2007-07-16 21:35 ` Benjamin Herrenschmidt
2007-07-16 12:40 ` Segher Boessenkool
2007-07-16 13:29 ` Gerhard Pircher
2007-07-16 15:05 ` Segher Boessenkool [this message]
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