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Re: [PATCH 2/3] Au1000 : fix PCI controller registration

To: Florian Fainelli <florian.fainelli@telecomint.eu>
Subject: Re: [PATCH 2/3] Au1000 : fix PCI controller registration
From: Ralf Baechle <ralf@linux-mips.org>
Date: Tue, 25 Sep 2007 18:18:23 +0100
Cc: linux-mips@linux-mips.org, blogic@openwrt.org, nbd@openwrt.org
In-reply-to: <200709251917.15431.florian.fainelli@telecomint.eu>
Original-recipient: rfc822;linux-mips@linux-mips.org
References: <200709251707.29067.florian.fainelli@telecomint.eu> <20070925171119.GA11350@linux-mips.org> <200709251917.15431.florian.fainelli@telecomint.eu>
Sender: linux-mips-bounce@linux-mips.org
User-agent: Mutt/1.5.14 (2007-02-12)
On Tue, Sep 25, 2007 at 07:17:10PM +0200, Florian Fainelli wrote:

> > >  #define IOPORT_RESOURCE_START 0x00001000 /* skip legacy probing */
> > > -#define IOPORT_RESOURCE_END   0xffffffff
> > > +#define IOPORT_RESOURCE_END   0xfffffffffULL
> >
> > So you're saying that PCI has just under 64GB worth of ioport address space
> > on Alchemy?  That's not how I recall my PCI spec ...
> 
> Errm, no, actually, Alchemy has a 36bits PCI adressing mode if I recall right.

Nope.  IOspace is max. 4GB with PCI, even on 64-bit PCI.

  Ralf

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