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Re: [PATCH 9/12] removed unused resources for Cobalt

To: Yoichi Yuasa <>
Subject: Re: [PATCH 9/12] removed unused resources for Cobalt
From: Ralf Baechle <>
Date: Fri, 25 Aug 2006 01:11:13 +0100
Cc: Peter Horton <>,
In-reply-to: <>
Original-recipient: rfc822;
References: <> <> <>
User-agent: Mutt/
On Fri, Aug 25, 2006 at 08:11:07AM +0900, Yoichi Yuasa wrote:

> > Is this correct ? These resources maybe unused, but the registers are
> > there, and should be listed as unavailable.
> How about the change of them to "reserved"?

Afaik the SuperIO chip used in the Cobalt implements those registers but
due to missing external circuitry touching some of these registers is
dangerous.  Afaic that is the case for the PS/2 keyboard/mouse controller
ports.  So those should be marked as reserved.  The remaining registers
are implemented just not terribly useful, so I think what he have is
probably right as it is.


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