From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Brian Waite <waite@skycomputers.com>
Cc: linuxppc-dev <linuxppc-dev@lists.linuxppc.org>
Subject: Re: Disable cache on 74xx
Date: 19 Feb 2003 22:07:59 +0100 [thread overview]
Message-ID: <1045688879.12534.80.camel@zion.wanadoo.fr> (raw)
In-Reply-To: <200302191552.01911.waite@skycomputers.com>
On Wed, 2003-02-19 at 21:52, Brian Waite wrote:
> Hi all,
> I am trying to hunt down a memory controller configuration problem and I have
> been asked to disable all caching so as to remove it from the equation. I can
> easl disable L2 but when I start ucking with the WIMG bits to set cache
> inhibit, The kernel panics with stack overflows. Does anyone know where or
> what I have to set to disable caching?
Hrm... set L2 and L3 off, then hack HID0 to disable L1 ?
Ben.
** Sent via the linuxppc-dev mail list. See http://lists.linuxppc.org/
next prev parent reply other threads:[~2003-02-19 21:07 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-02-19 20:52 Disable cache on 74xx Brian Waite
2003-02-19 21:07 ` Benjamin Herrenschmidt [this message]
2003-02-19 22:48 ` Gary Thomas
2003-02-20 13:55 ` Brian Waite
2003-02-20 14:01 ` Gary Thomas
2003-02-20 14:09 ` Geert Uytterhoeven
2003-02-20 15:23 ` Dan Malek
2003-02-20 15:47 ` Brian Waite
2003-02-20 15:54 ` Gary Thomas
2003-02-20 15:55 ` Benjamin Herrenschmidt
2003-02-20 16:14 ` Dan Malek
2003-02-20 16:51 ` Mark A. Greer
2003-02-20 14:09 ` Brian Waite
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