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Date: Thu, 09 Jun 2005 09:15:17 +0300
From: Pantelis Antoniou <panto@intracom.gr>
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To: Dan Malek <dan@embeddededge.com>
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Cc: linuxppc-embedded@ozlabs.org
Subject: Re: consistent_alloc() on 82xx
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Dan Malek wrote:
> 
> On Jun 8, 2005, at 5:29 AM, Alex Zeffertt wrote:
> 
>> Does anybody know why it isn't built for 6xx cores?
> 
> 
> Because 6xx cores are cache coherent and there shouldn't
> be any need for "uncached" memory regions.
> 
>> I'm working on the ATM driver and it seems that certain external memory
>> areas accessed by the PQII CPM by-pass the cache.
> 
> 
> That's news to me, and I've written lots of CPM drivers, including ATM.
> Do you have a specific example?
> 

I may also need consistent_alloc for some testing reasons Dan. :)

> Thanks.
> 
>     -- Dan
> 

If I build arch/ppc/mm/cachemap.c will it work for 82xx? Any reason not to?

Regards

Pantelis