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From: Sven Luther <sven.luther@wanadoo.fr>
To: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Sven Luther <sven.luther@wanadoo.fr>,
	Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	linuxppc-dev list <linuxppc-dev@lists.linuxppc.org>,
	Rob Baxter <robb@synergymicro.com>
Subject: Re: multiple separate pci bridges ...
Date: Tue, 6 Jan 2004 15:45:45 +0100	[thread overview]
Message-ID: <20040106144545.GA7261@iliana> (raw)
In-Reply-To: <Pine.GSO.4.58.0401061533510.5752@waterleaf.sonytel.be>


On Tue, Jan 06, 2004 at 03:40:30PM +0100, Geert Uytterhoeven wrote:
> On Tue, 6 Jan 2004, Sven Luther wrote:
> > On Tue, Jan 06, 2004 at 07:00:24PM +1100, Benjamin Herrenschmidt wrote:
> > > Type 0 is an access to the primary segment (doesn't contain a bus
> > > number), type 1 is to be forwarded to another bus segment by a P2P
> > > bridge. So for anything directly attached to the host bridge, it's a
> > > type 0 access. Anything else is type 1. Typically, if the bus number of
> > > your "target" == hose->first_busno, it's type 0, else type 1
> >
> > Yep, except we have two pci controllers, and it should be type 0 for
> > both of them.
>
> Yep, two hoses, with different hose->first_busno.

A, yes, right.

> > > They could have appeared as on-chip PCI devices on a "pseudo-bus", but
> > > we can eventually just match with the host's PCI device.
> >
> > Ok. but this can also be faked or something ? But, how can we match with
> > the host PCI device, if we are going to hide it ?
>
> Hide the memory BAR only, not the full PCI device.

Ok, will try that.

BTW, is there any reason the L2 cache is disabled by default in the
2.4.x kernels ?

Friendly,

Sven Luther

** Sent via the linuxppc-dev mail list. See http://lists.linuxppc.org/

  reply	other threads:[~2004-01-06 14:45 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 [this message]
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
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
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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