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From: Pantelis Antoniou <panto@intracom.gr>
To: Dan Malek <dan@embeddededge.com>
Cc: linuxppc-embedded@ozlabs.org
Subject: Re: consistent_alloc() on 82xx
Date: Thu, 09 Jun 2005 09:15:17 +0300	[thread overview]
Message-ID: <42A7DE75.8040205@intracom.gr> (raw)
In-Reply-To: <d32482ab845e745a00426671eff86b9e@embeddededge.com>

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

  reply	other threads:[~2005-06-09  6:36 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-06-08  9:29 consistent_alloc() on 82xx Alex Zeffertt
2005-06-08 16:12 ` Dan Malek
2005-06-09  6:15   ` Pantelis Antoniou [this message]
2005-06-09  9:06     ` Alex Zeffertt
2005-06-09 18:05     ` Dan Malek
2005-06-09  9:04   ` Alex Zeffertt
2005-06-09 19:05     ` Dan Malek
2005-06-10 10:11       ` Alex Zeffertt

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