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Date: Tue, 16 Jun 2009 12:03:47 -0500
From: Scott Wood <scottwood@freescale.com>
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To: Chris Pringle <chris.pringle@oxtel.com>
Subject: Re: PowerPC PCI DMA issues (prefetch/coherency?)
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Chris Pringle wrote:
> Ah right - that would explain what we're seeing then... Doh. Thought I 
> might have been onto something then. Is there any way to force a cache 
> flush? That'd at least prove it was a caching issue if it resolved the 
> problem.

You could enable CONFIG_NOT_COHERENT_CACHE.

-Scott