From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Ken Moffat <ken@kenmoffat.uklinux.net>
Cc: linuxppc-dev@ozlabs.org
Subject: Re: Problem with 745x errata in 2.6.8
Date: Sat, 18 Sep 2004 10:01:02 +1000 [thread overview]
Message-ID: <1095465662.3660.3.camel@gaston> (raw)
In-Reply-To: <Pine.LNX.4.58.0409172249520.23520@ppg_penguin.kenmoffat.uklinux.net>
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.
next prev parent reply other threads:[~2004-09-18 0:35 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-09-17 22:03 Problem with 745x errata in 2.6.8 Ken Moffat
2004-09-18 0:01 ` Benjamin Herrenschmidt [this message]
2004-09-18 9:39 ` Ken Moffat
2004-09-18 10:09 ` Benjamin Herrenschmidt
2004-09-18 11:36 ` Ken Moffat
2004-09-18 16:37 ` Ken Moffat
2004-09-19 4:25 ` Benjamin Herrenschmidt
2004-09-19 10:16 ` Ken Moffat
2004-09-19 10:23 ` Benjamin Herrenschmidt
2004-09-19 4:21 ` Benjamin Herrenschmidt
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