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From: "Mylene Josserand" <Mylene.Josserand@navocap.com>
To: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Cc: barebox mailist <barebox@lists.infradead.org>
Subject: Re: [help] PHY driver : Unable to find a PHY (unknown ID?)
Date: Fri, 4 Jan 2013 13:46:15 +0100	[thread overview]
Message-ID: <CA78C307B8F06747967D122FC656B153774345@SERVEUR0.nvp.local> (raw)
In-Reply-To: <20130104122303.67e97e48@skate>

Dear Thomas,


Le 04/01/2013 12:23, Thomas Petazzoni a écrit :
> Dear Mylene Josserand,
>
> On Fri, 4 Jan 2013 12:03:17 +0100, Mylene Josserand wrote:
>
>>> Good to see some developers from Toulouse using Barebox! I'm close, in
>>> Colomiers.
>>
>> Yes ! We are neighbour :)
>
> Indeed :)
>
>> Free Electrons, I know you by name. And the kernel sources on your web
>> site help me a lot !
>
> Good to know this is useful.
>
>>> Which board are you targeting?
>>
>> It is a "home-made" board with a iMX27.
>
> Ok.
>
>> Hum, I did not configured it myself. I used a previous configuration of
>> the board which was :
>> "
>> static struct fec_platform_data fec_info = {
>> 	.xcv_type = MII100,
>> 	.phy_addr = 1,
>> };"
>>
>> How can I know which address I need to put ?
>
> Look at chapter "4.11 PHY Address strapping and LED Output Polarity
> Selection" of the LAN8700 manual. It says the PHY address is selected
> according to the value on pins PHYAD[0:4] during PHY reset. So you
> should check your board schematics and see how these pins are wired to
> find out what is the PHY address.

Ok, thank you for the explanation.
I have checked and it is the good phy address.

I will search deeper in the code the possible problem but if you have an 
idea of it, do not hesitate !

>
> Best regards,
>
> Thomas

Best regards,

-- 
Mylène JOSSERAND

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  reply	other threads:[~2013-01-04 12:47 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 [this message]
2013-01-04 13:28         ` Eric Bénard
2013-01-07 13:56           ` Mylene Josserand

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