From: Randy Vinson <rvinson@mvista•com>
To: Andy Fleming <afleming@freescale•com>
Cc: "linuxppc-dev@ozlabs•org" <linuxppc-dev@ozlabs•org>
Subject: Re: [PATCH 2/8] Add uli1575 pci-bridge sector to MPC8641HPCN dts file.
Date: Tue, 05 Jun 2007 13:28:46 -0700 [thread overview]
Message-ID: <4665C77E.3010901@mvista.com> (raw)
In-Reply-To: <BCDEB9B2-06FF-40DD-B579-A3D5BDBDCF60@freescale.com>
Andy Fleming wrote:
>>>
>>> I take full responsibility for that. The CDS is a strange beast, so
>>> I did some strange things in the DTS.
>>>
>>> The i8259 is on a subsidiary bus, and so it's one bus #1.
>> Actually, that's not strictly true. If a card containing a P2P bridge is
>> installed into PCI slot 4, the i8259 will end up on a bus that is not
>> numbered bus 1. I've often wondered how something like that is handled
>> in the DTS.
>
> *Waves hands distractingly*
>
> Pay no attention to the man behind the dts!
>
> Seriously, though, it's quite fragile right now. We probably need to
> change u-boot to correctly number those things. And we should probably
> change the dts files for each board to have any soldered-on pci devices.
>
> Right now, though, we'd settle for being able to *use* those devices
> under a default setting.
I completely agree an all points. As I get more time to work on
DTS-based hardware, I hope to contribute to the solution. Right now, I'm
trying to handle the i8259 cascade interrupt properly in the context of
Real-Time's threaded interrupts.
Randy V.
next prev parent reply other threads:[~2007-06-05 20:29 UTC|newest]
Thread overview: 56+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-06-01 17:48 [PATCH 2/8] Add uli1575 pci-bridge sector to MPC8641HPCN dts file Jon Loeliger
2007-06-01 18:58 ` Segher Boessenkool
2007-06-01 21:45 ` Wade Farnsworth
2007-06-02 8:22 ` Segher Boessenkool
2007-06-02 8:53 ` Gabriel Paubert
2007-06-02 9:01 ` Segher Boessenkool
2007-06-02 19:53 ` Gabriel Paubert
2007-06-02 20:23 ` Segher Boessenkool
2007-06-03 0:01 ` Benjamin Herrenschmidt
2007-06-03 7:41 ` Segher Boessenkool
2007-06-03 8:33 ` Gabriel Paubert
2007-06-03 8:57 ` Segher Boessenkool
2007-06-03 9:12 ` Benjamin Herrenschmidt
2007-06-03 10:02 ` Segher Boessenkool
2007-06-03 10:10 ` Gabriel Paubert
2007-06-03 11:42 ` Segher Boessenkool
2007-06-03 12:43 ` Gabriel Paubert
2007-06-03 14:42 ` Segher Boessenkool
2007-06-03 18:20 ` Gabriel Paubert
2007-06-03 18:56 ` Segher Boessenkool
2007-06-03 9:07 ` Benjamin Herrenschmidt
2007-06-03 9:59 ` Segher Boessenkool
2007-06-03 14:50 ` Jon Loeliger
2007-06-03 17:27 ` Segher Boessenkool
2007-06-04 20:27 ` Andy Fleming
2007-06-04 22:31 ` Randy Vinson
2007-06-05 19:16 ` Andy Fleming
2007-06-05 20:28 ` Randy Vinson [this message]
2007-06-06 7:09 ` Benjamin Herrenschmidt
2007-06-07 16:21 ` Andy Fleming
2007-06-07 16:53 ` Segher Boessenkool
2007-06-07 22:12 ` Benjamin Herrenschmidt
2007-06-08 8:29 ` Segher Boessenkool
2007-06-08 8:32 ` Benjamin Herrenschmidt
2007-06-05 6:05 ` Zang Roy-r61911
2007-06-02 23:52 ` Benjamin Herrenschmidt
2007-06-02 23:51 ` Benjamin Herrenschmidt
2007-06-03 8:59 ` Geert Uytterhoeven
2007-06-04 18:50 ` Jon Loeliger
2007-06-04 19:27 ` Segher Boessenkool
2007-06-01 23:28 ` Benjamin Herrenschmidt
2007-06-01 23:36 ` Jon Loeliger
2007-06-02 0:22 ` Benjamin Herrenschmidt
2007-06-02 8:28 ` Segher Boessenkool
2007-06-02 16:04 ` Jon Loeliger
2007-06-02 20:00 ` Segher Boessenkool
2007-06-02 23:16 ` Benjamin Herrenschmidt
2007-06-03 7:37 ` Segher Boessenkool
2007-06-04 0:16 ` Olof Johansson
2007-06-04 8:18 ` Segher Boessenkool
2007-06-02 8:25 ` Segher Boessenkool
2007-06-02 23:50 ` Benjamin Herrenschmidt
2007-06-03 0:13 ` Gabriel Paubert
2007-06-03 7:42 ` Segher Boessenkool
2007-06-03 7:53 ` Gabriel Paubert
2007-06-04 18:49 ` Jon Loeliger
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