From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Scott Wood <scottwood@freescale.com>
Cc: linuxppc-dev <linuxppc-dev@ozlabs.org>,
avorontsov@ru.mvista.com, Gary Thomas <gary@mlbassoc.com>
Subject: Re: PCI on 834x
Date: Fri, 26 Feb 2010 09:36:21 +1100 [thread overview]
Message-ID: <1267137381.23523.1731.camel@pasglop> (raw)
In-Reply-To: <4B86E5A7.9090607@freescale.com>
On Thu, 2010-02-25 at 15:03 -0600, Scott Wood wrote:
>
> It can, but I don't see how that would help, if the problem is that the
> video card doesn't like the low 30 bits of its MMIO address being zero.
My idea was the video card, if it's an old piece of shit, may not be
decoding all address bits.
> Gary, can you check that the MMIO addresses are going to the PCI bus
> as-is, and aren't being translated down to zero? I.e. POTARn should
> equal POBARn, and likewise in the device tree's pci node's ranges.
Cheers,
Ben.
prev parent reply other threads:[~2010-02-25 22:36 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-02-24 15:49 PCI on 834x Gary Thomas
2010-02-24 18:48 ` Scott Wood
2010-02-24 19:14 ` Gary Thomas
2010-02-24 19:31 ` Scott Wood
2010-02-24 19:47 ` Gary Thomas
2010-02-24 20:26 ` Scott Wood
2010-02-24 20:51 ` Anton Vorontsov
2010-02-24 22:14 ` Gary Thomas
2010-02-24 22:25 ` Kumar Gala
2010-02-24 23:08 ` Gary Thomas
2010-02-25 14:25 ` Gary Thomas
2010-02-25 20:49 ` Benjamin Herrenschmidt
2010-02-25 21:03 ` Scott Wood
2010-02-25 21:11 ` Gary Thomas
2010-02-25 21:24 ` Scott Wood
2010-02-25 23:43 ` Gary Thomas
2010-02-25 23:49 ` Scott Wood
2010-02-25 22:36 ` Benjamin Herrenschmidt [this message]
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