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From: "Mylene Josserand" <Mylene.Josserand@navocap.com>
To: "Eric Bénard" <eric@eukrea.com>
Cc: barebox mailist <barebox@lists.infradead.org>
Subject: Re: [help] PHY driver : Unable to find a PHY (unknown ID?)
Date: Mon, 7 Jan 2013 14:56:52 +0100	[thread overview]
Message-ID: <CA78C307B8F06747967D122FC656B15377434A@SERVEUR0.nvp.local> (raw)
In-Reply-To: <20130104142835.717faab5@e6520eb>

Hi Eric Bénard,


Thank you very much for your answer and your help !


Le 04/01/2013 14:28, Eric Bénard a écrit :
> Hi Mylène,
>
> Le Fri, 4 Jan 2013 13:46:15 +0100,
> "Mylene Josserand"<Mylene.Josserand@navocap.com>  a écrit :
>> I will search deeper in the code the possible problem but if you have an
>> idea of it, do not hesitate !
>>
> did you check :
> - the pin mux is properly configured for MII operations (on the right
>    pins connected to the PHY of course),

I will check that !

> - the reset pin is deasserted before probing the PHY,
> - the FEC's clock is enabled,


I checked and the clock is enabled.

>
> Last thing, if you set phy_addr = -1, then IIRC the PHY address will be
> probed automatically.

I tried it and it fixes the problem ! Maybe the phy_adress was not 1 as 
Thomas Petazonni indicated but according to LAN8700 documentation, it 
should. I will search which phy_address is currently the good one.

Anyway, thank you Thomas Petazonni and Eric Bénard for your help !

>
> Best regards,
> Eric

Best regards,

-- 
Mylène JOSSERAND
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      reply	other threads:[~2013-01-07 13:57 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-01-04  9:09 Mylene Josserand
2013-01-04 10:18 ` Thomas Petazzoni
2013-01-04 11:03   ` Mylene Josserand
2013-01-04 11:23     ` Thomas Petazzoni
2013-01-04 12:46       ` Mylene Josserand
2013-01-04 13:28         ` Eric Bénard
2013-01-07 13:56           ` Mylene Josserand [this message]

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