From: Gerhard Jaeger <g.jaeger@sysgo•com>
To: linuxppc-embedded@ozlabs•org
Cc: Stefan Nickl <stefan.nickl@kontron•com>
Subject: Re: Which PHY connection to use on MPC8541...
Date: Wed, 12 Oct 2005 08:43:43 +0200 [thread overview]
Message-ID: <200510120843.43750.g.jaeger@sysgo.com> (raw)
In-Reply-To: <4BD1885F-AD59-4FFF-8694-AB66BE80DF96@freescale.com>
On Tuesday 11 October 2005 20:05, Andy Fleming wrote:
> On Oct 11, 2005, at 05:57, Stefan Nickl wrote:
> > Hi,
> >
> > about a year ago we resorted to using port pin MDIO in this situation
> > for the FCCs because the fcc_enet driver and the gianfar driver live
> > in separate worlds, so to speak.
> >
> > But in the meantime, Andy Fleming was very active regarding the PHY
> > abstraction layer. I still haven't seen patches that migrate fcc_enet
> > to using this layer, but the gianfar driver seems to use this code
> > now.
> >
> The work to migrate the new fs_enet driver to use the TSEC MDIO is in
> progress. I have a few other things I'm working on right now, and
> I've been having some hardware issues, but I've already done most of
> the work to get the FCC to use the TSEC's MDIO bus.
> >
> > So I'd say quick solution: use TSEC1 MDIO for TSECs and cpm port pins
> > for FCC, clean solution: change fcc_enet to use the PHY abstraction
> > layer.
> >
> I'd say it depends on how long until your hardware is ready. You
> might want to wire up the cpm IO pins, just in case. I have yet to
> actually get the fs_enet driver to send packets on the 8560, so
> there's no telling how long it will be before that driver works on 8541.
>
> Andy
>
Thank you guys for the quick answers. We already thought of additionally
wireing up the cpm IO pins to have some kind of backup ;) We expect the
hardware to be available in february/march next year so I guess there's
pretty much time.
Gerhard
next prev parent reply other threads:[~2005-10-12 6:44 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-10-11 10:57 Which PHY connection to use on MPC8541 Stefan Nickl
2005-10-11 18:05 ` Andy Fleming
2005-10-12 6:43 ` Gerhard Jaeger [this message]
-- strict thread matches above, loose matches on Subject: below --
2005-10-11 10:13 Gerhard Jaeger
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