Subject: Re: consistent_alloc() on 82xx

From: Dan Malek <[email-masked]>
Date: Wed, 8 Jun 2005 12:12:01 -0400

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