From: Ralf Baechle <ralf@linux-mips.org>
To: Jes Sorensen <jes@wildopensource.com>
Cc: "Maciej W. Rozycki" <macro@linux-mips.org>,
Manish Lachwani <mlachwani@mvista.com>,
linux-mips@linux-mips.org
Subject: Re: [PATCH]PCI on SWARM
Date: Mon, 18 Oct 2004 21:15:07 +0200 [thread overview]
Message-ID: <20041018191507.GA14440@linux-mips.org> (raw)
In-Reply-To: <yq0zn2ks9em.fsf@jaguar.mkp.net>
On Mon, Oct 18, 2004 at 04:44:17AM -0400, Jes Sorensen wrote:
> Dual address cycles, ie. 64 bit addressing is fscked on the 1250 from
> what I remember. Correct way to work around this is to stick all
> physical memory outside the 32 bit space into ZONE_HIGHMEM - had a patch
> for 2.4, but I lost it ages ago ;-(
The Momentum Jaguar suffers from similar problems, so I've implemented
that for Linux 2.6 as CONFIG_LIMITED_DMA.
> One can just hope Broadcom will learn how to make chips some day ;-(
Well, they've just done their homework, also known as the 1450. Pick
your red pen and give grades ;-)
Ralf
next prev parent reply other threads:[~2004-10-18 19:15 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-10-14 2:23 [PATCH]PCI on SWARM Manish Lachwani
2004-10-14 19:17 ` Ralf Baechle
2004-10-14 22:14 ` Maciej W. Rozycki
2004-10-14 22:20 ` Manish Lachwani
2004-10-14 22:32 ` Maciej W. Rozycki
2004-10-14 22:55 ` Ralf Baechle
2004-10-15 2:19 ` Maciej W. Rozycki
2004-10-18 8:44 ` Jes Sorensen
2004-10-18 19:15 ` Ralf Baechle [this message]
2004-10-20 5:56 ` Jes Sorensen
2004-10-20 11:34 ` Ralf Baechle
2004-10-18 20:17 ` Maciej W. Rozycki
2004-10-20 5:57 ` Jes Sorensen
2004-10-20 11:17 ` Ralf Baechle
2004-10-15 1:14 ` Manish Lachwani
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