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Date:      Sun, 9 Mar 2014 23:12:54 +0100
From:      Milan Obuch <freebsd-mips@dino.sk>
To:        Adrian Chadd <adrian@freebsd.org>
Cc:        freebsd-mips@freebsd.org
Subject:   Re: I (think) the AR8327 switch support now works
Message-ID:  <20140309231254.639f3820@zeta.dino.sk>
In-Reply-To: <CAJ-VmomEzc=PNkTCS-OfJB9U6zO%2B2ZYisd22aq8fYPvks%2BOpAg@mail.gmail.com>
References:  <CAJ-Vmok0cVLnH9DQh%2Bz6XF-NQmPKy_Ez37kLtuCSRThwjQHTJQ@mail.gmail.com> <CAJ-Vmom2coTLFn0zcTa=BzxAOopMjCDUBOtQwOVOyQmCeB19wA@mail.gmail.com> <20140301200546.7ff373d1@zeta.dino.sk> <20140301231239.023b8733@zeta.dino.sk> <CAJ-VmoknT-SWVmcDX-Cx8StUVuZNX%2BqNPzLcMBdLxN7qwssNoA@mail.gmail.com> <20140307140432.0a460da1@zeta.dino.sk> <CAJ-Vmok-nF4QdVmUMGJxt4tX=X%2Bvc4_-G100ZPRnQ-2aWyNCog@mail.gmail.com> <20140307204230.3c86b9b1@zeta.dino.sk> <CAJ-Vmo=B0CG1FSCKYeaCmORJuWbJ24g=%2BQkHV7WC8DTV9m1zKA@mail.gmail.com> <20140308140901.19782009@zeta.dino.sk> <CAJ-VmokM5mPxMbbVyaSpyDcn-Fs32g4heWMPZF7n2OpnFK31oA@mail.gmail.com> <20140308173642.0a48d2c2@zeta.dino.sk> <CAJ-VmomnycSYbhf4aKaiK%2BUL%2B-aWXy_tXioRUjMVO62r%2BDpEUA@mail.gmail.com> <20140308234129.76800b5c@zeta.dino.sk> <CAJ-Vmok6gEG0rMSdAccQZkD-McTY8y7LktE1xQsXy7MNODxP2g@mail.gmail.com> <20140309083919.2810fa97@zeta.dino.sk> <CAJ-VmomEzc=PNkTCS-OfJB9U6zO%2B2ZYisd22aq8fYPvks%2BOpAg@mail.gmail.com>

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On Sun, 9 Mar 2014 13:18:43 -0700
Adrian Chadd <adrian@freebsd.org> wrote:

> Hi,
> 
> Yes, I do think you're right. I think the MDIO IO is not being
> terribly stable.
>

My feeling is that this is the key problem, now. I did som repeated
testing, rebooting the box multiple times, and three times or so I got
arswitch0 attached, but traffic did not flow through it. And it's a bit
hard to do some debugging with no datasheet. OpenWrt sources could give
some hints, but not as easy for me.

Also, when arswitch0 attached, arswitch1 did not. Maybe it is a
coincidence, but I think there is some interdepence now and this should
be changed.

> Unfortunately I don't have the time to figure it out. So if someone
> wants to buy/ship me an RB2011 of some flavour, I'll likely have a
> much better chance of figuring out what's going on.
> 

It's a pity, at least for me :) so I must wait for your next advice...
anyway, I would say it is necessary to work out MDIO part right, it
should be stable and reliable. To me it looks like that's the real
problem and source of all other troubles.

I will keep trying to find anything, but probability to find the
correct way is not that much given current availability of docs.
Unfortunatelly, sending you any kind of RB2011 is out of my reach.

Regards,
Milan



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