From: Sven Luther <sven.luther@wanadoo.fr>
To: Marcus Barrow <mbarrow@sangate.com>
Cc: Sven Luther <sven.luther@wanadoo.fr>, linuxppc-dev@lists.linuxppc.org
Subject: Re: multiple separate pci bridges ...
Date: Tue, 6 Jan 2004 08:14:12 +0100 [thread overview]
Message-ID: <20040106071412.GB735@iliana> (raw)
In-Reply-To: <1073338730.9456.2487.camel@boat.sangate.com>
On Mon, Jan 05, 2004 at 04:38:50PM -0500, Marcus Barrow wrote:
>
> Hi Sven:
>
> I think there is some basic brokeness in the Discovery
> specific code. I've been meaning to go and look at some
> of the original code, to see if some stuff was left on
> the floor.
Mmm. What code are you speaking about here ?
> On our evalution boards the P2P registers are not set
> up. So you indeed have two PCI bus 0. The P2P register
> for PCI bus 1 should be initialized to identify it as
> bus 1, or whatever the right value is considering
> any more bridges found on bus 0.
Mmm, i understand that the 2.6.x pci domain will make this not
necessary. I might be wrong though.
> If you insert pci cards which contain bridges on them,
> they only work on the bus 0 slots...
bus 1 is used as an agp bus anyway, and i doubt there are many agp
graphic cards out there with pci bridges on them. When i inserted my
Appian Jeronimo 2000 in that board, it refused to powerup at all, but
then, maybe it is drawing too much power or something. After all, it has
a 3dlabs gamma and two permedia3 on it.
> Do you have something like ppcboot or uboot starting
> your system or just a kernel? If you are using a real
Well, there is a customized SmartFirmware OpenFirmware on the board. I
even have (non-free though) access to the source of it. The board is
mostly a CHRP design.
> boot rom, you could try initializing the p2p registers
> by hand, then booting...
The Firmware guy told me don't touch it though.
> I'm hoping to work on this in the next few days.
Ok, great.
Friendly,
Sven Luther
** Sent via the linuxppc-dev mail list. See http://lists.linuxppc.org/
next prev parent reply other threads:[~2004-01-06 7:14 UTC|newest]
Thread overview: 77+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-01-01 18:11 multiple separate pci bridges Sven Luther
2004-01-02 4:03 ` Benjamin Herrenschmidt
2004-01-02 7:40 ` Sven Luther
2004-01-02 7:49 ` Benjamin Herrenschmidt
2004-01-04 21:03 ` Sven Luther
2004-01-04 21:45 ` Benjamin Herrenschmidt
2004-01-04 22:06 ` Sven Luther
2004-01-05 16:40 ` Sven Luther
2004-01-05 21:28 ` Benjamin Herrenschmidt
2004-01-05 21:42 ` Sven Luther
2004-01-05 22:12 ` Benjamin Herrenschmidt
2004-01-06 7:39 ` Sven Luther
2004-01-06 8:00 ` Benjamin Herrenschmidt
2004-01-06 8:11 ` Sven Luther
2004-01-06 14:40 ` Geert Uytterhoeven
2004-01-06 14:45 ` Sven Luther
2004-01-06 15:33 ` Rob Baxter
2004-01-06 17:44 ` Sven Luther
2004-01-06 21:37 ` Benjamin Herrenschmidt
2004-01-06 22:10 ` Marcus Barrow
2004-01-06 22:17 ` Rob Baxter
2004-01-06 22:31 ` Benjamin Herrenschmidt
2004-01-07 2:35 ` Sven Luther
2004-01-07 2:36 ` Benjamin Herrenschmidt
2004-01-07 2:40 ` Sven Luther
2004-01-07 9:02 ` Michael Schmitz
2004-01-07 9:23 ` Benjamin Herrenschmidt
2004-01-07 9:56 ` Sven Luther
2004-01-07 10:27 ` Michael Schmitz
2004-01-13 9:56 ` Sven Luther
2004-01-13 10:26 ` Sven Luther
2004-01-18 12:15 ` Sven Luther
2004-01-18 13:00 ` Michel Dänzer
2004-01-18 13:14 ` Sven Luther
2004-01-19 9:12 ` Benjamin Herrenschmidt
2004-01-18 22:27 ` Sven Luther
2004-01-18 22:59 ` Benjamin Herrenschmidt
2004-01-19 9:21 ` Sven Luther
2004-01-18 23:24 ` Benjamin Herrenschmidt
2004-01-05 21:38 ` Marcus Barrow
2004-01-06 7:14 ` Sven Luther [this message]
2004-01-06 7:56 ` Benjamin Herrenschmidt
2004-01-06 8:20 ` Sven Luther
2004-01-02 18:34 ` Geert Uytterhoeven
2004-01-02 15:18 ` Rob Baxter
2004-01-02 23:56 ` Benjamin Herrenschmidt
2004-01-03 0:27 ` Rob Baxter
2004-01-03 1:12 ` Benjamin Herrenschmidt
2004-01-05 0:52 ` Rob Baxter
2004-01-05 2:13 ` Benjamin Herrenschmidt
-- strict thread matches above, loose matches on Subject: below --
2004-01-06 20:53 Marcus Barrow
2004-01-06 21:09 Marcus Barrow
2004-01-06 22:59 ` Benjamin Herrenschmidt
2004-01-06 23:00 ` Benjamin Herrenschmidt
2004-01-18 14:44 Sven Luther
2004-01-18 16:33 ` Michel Dänzer
2004-01-18 17:28 ` Sven Luther
2004-01-18 18:24 ` Michel Dänzer
2004-01-18 22:20 ` Sven Luther
2004-01-18 23:33 ` Michel Dänzer
2004-01-19 9:55 ` Sven Luther
2004-01-19 13:48 ` Sven Luther
2004-01-19 13:54 ` Geert Uytterhoeven
2004-01-19 14:00 ` Sven Luther
2004-01-19 14:02 ` Michel Dänzer
2004-01-19 14:16 ` Sven Luther
2004-01-19 14:31 ` Michel Dänzer
2004-01-19 9:11 ` Benjamin Herrenschmidt
2004-01-18 22:33 ` Sven Luther
2004-01-18 23:23 ` Michel Dänzer
2004-01-18 23:42 ` Benjamin Herrenschmidt
2004-01-19 0:03 ` Michel Dänzer
2004-01-19 10:08 ` Geert Uytterhoeven
2004-01-19 11:41 ` Benjamin Herrenschmidt
2004-01-19 12:03 ` Sven Luther
2004-01-19 21:35 ` Benjamin Herrenschmidt
2004-01-19 22:08 ` Sven Luther
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