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Re: RFC: Cleanup/detection patch

To: Keith M Wesolowski <wesolows@foobazco.org>
Subject: Re: RFC: Cleanup/detection patch
From: Jun Sun <jsun@mvista.com>
Date: Thu, 05 Apr 2001 13:29:13 -0700
Cc: linux-mips@oss.sgi.com
References: <20010401235212.B9737@foobazco.org> <3ACA8A3B.8BBABB11@mvista.com> <20010403203055.A17365@foobazco.org> <3ACB5FD8.6B166BA6@mvista.com> <20010405004618.A30899@foobazco.org>
Sender: owner-linux-mips@oss.sgi.com
Keith M Wesolowski wrote:
> 
> So we basically have an Indy-style boardcache then.  I think we must
> make a distinction very cleanly between caches which are under CPU
> control and those which are not.  The ones under CPU control use the
> stuff in load_cache and the cache descriptors in mips_cpu.  The
> boardcaches use something like bc_ops. 

I don't like bc_ops idea.  Usually the external cache capability is still
integral part of the CPU.

I favor the idea where the cache takes care of external cache dynamically,
based on some parameters set up by board detection routine.

> 
> Now if only the linux requirements for implementing pci on a new
> machine were documented somewhere...
> 

That should come soon ...

Jun

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