From mboxrd@z Thu Jan 1 00:00:00 1970 Subject: Re: Disable cache on 74xx From: Benjamin Herrenschmidt To: Brian Waite Cc: linuxppc-dev In-Reply-To: <200302191552.01911.waite@skycomputers.com> References: <200302191552.01911.waite@skycomputers.com> Content-Type: text/plain Message-Id: <1045688879.12534.80.camel@zion.wanadoo.fr> Mime-Version: 1.0 Date: 19 Feb 2003 22:07:59 +0100 Sender: owner-linuxppc-dev@lists.linuxppc.org List-Id: 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/