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Re: RFC: Cleanup/detection patch

To: Keith M Wesolowski <>
Subject: Re: RFC: Cleanup/detection patch
From: Jun Sun <>
Date: Thu, 05 Apr 2001 13:29:13 -0700
References: <> <> <> <> <>
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 ...


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