From: Dan Malek <dan@embeddededge.com>
To: Tom Rini <trini@kernel.crashing.org>
Cc: Matt Porter <porter@cox.net>,
Jean-Denis Boyer <jdboyer@mediatrix.com>,
kas turi <inox_kas@yahoo.com>,
linuxppc-embedded@lists.linuxppc.org
Subject: Re: Disabling data cache
Date: Wed, 02 Apr 2003 16:59:19 -0500 [thread overview]
Message-ID: <3E8B5D37.4090706@embeddededge.com> (raw)
In-Reply-To: 20030402194622.GA30107@ip68-0-152-218.tc.ph.cox.net
Tom Rini wrote:
> My guess and recollection is that the 8260 version of this was to
> disable the DCACHE in a certain manner, because of buggy silicon on a
> specific board. Someone unmerged this bit of code later I think.
Hmm....OK. FYI, on any processor core except 8xx you can't disable
the data cache and expect to make any progress without also removing
the cache management instructions. That would be a pretty ugly patch
and also require unique libraries for the applications. :-)
-- Dan
** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/
next prev parent reply other threads:[~2003-04-02 21:59 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-04-02 14:28 Disabling data cache Jean-Denis Boyer
2003-04-02 16:40 ` Matt Porter
2003-04-02 19:23 ` Dan Malek
2003-04-02 19:46 ` Tom Rini
2003-04-02 20:19 ` Wolfgang Denk
2003-04-03 14:59 ` Tom Rini
2003-04-04 22:49 ` Wolfgang Denk
2003-04-02 21:59 ` Dan Malek [this message]
-- strict thread matches above, loose matches on Subject: below --
2003-04-02 17:14 Ralph Blach
2003-04-02 1:34 kas turi
2003-04-02 5:30 ` Matt Porter
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