From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from gate.crashing.org (gate.crashing.org [63.228.1.57]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTP id D77EA2BD6A for ; Sat, 18 Sep 2004 10:35:02 +1000 (EST) From: Benjamin Herrenschmidt To: Ken Moffat In-Reply-To: References: Content-Type: text/plain Message-Id: <1095465662.3660.3.camel@gaston> Mime-Version: 1.0 Date: Sat, 18 Sep 2004 10:01:02 +1000 Cc: linuxppc-dev@ozlabs.org Subject: Re: Problem with 745x errata in 2.6.8 List-Id: "Linux on PowerPC \(Including Embedded\) Developers Mail List" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Sat, 2004-09-18 at 08:03, Ken Moffat wrote: > Hi, > > I'm trying to get the port to the AmigaOne/Teron into a fit state to > attempt to submit it. I've got it working adequately in 2.6.7 (no ide > dma, obviously, and no floppy disk, plus other minor issues) but > obviously I need to get it up to the current version before asking for > your comments on what needs to be changed to make it acceptable. > > Unfortunately, the following changes in 2.6.8-rc3 stop my 7455 from > booting (with a vga console, it stops after the console: colour VGA+ > 80x25 message, and also the top of the screen is blank). If I revert > these, it runs. I'm totally out of my depth here, I don't even know how > to work out which sort of 7455 I've got, much less what this is all > doing. Can anybody offer me some pointers, please ? What exact PVR do you have ? It could be your nortbridge not beeing properly setup for the kind of snoop cycles issued when the M bit is set on all pages ? In this case, it has to be fixed at that level (contact AmigaOne/Teron) as I will not revert that fix.