From: Dan Malek <dan@embeddededge.com>
To: Alex Zeffertt <ajz@cambridgebroadband.com>
Cc: linuxppc-embedded@ozlabs.org
Subject: Re: consistent_alloc() on 82xx
Date: Wed, 8 Jun 2005 12:12:01 -0400 [thread overview]
Message-ID: <d32482ab845e745a00426671eff86b9e@embeddededge.com> (raw)
In-Reply-To: <20050608102938.023f271f.ajz@cambridgebroadband.com>
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?
Thanks.
-- Dan
next prev parent reply other threads:[~2005-06-08 16:12 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 [this message]
2005-06-09 6:15 ` Pantelis Antoniou
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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