Using FEC on a MPC5200 with default PHY configuration

Wolfgang Grandegger wg at grandegger.com
Tue Apr 1 22:06:51 EST 2008


Grant Likely wrote:
> On Mon, Mar 31, 2008 at 3:44 AM, Wolfgang Grandegger <wg at grandegger.com> wrote:
>> Wolfgang Grandegger wrote:
>>  > Hello,
>>  >
>>  > is it possible to use the FEC on a MPC5200 with the default hardware PHY
>>  > configuration. I mean running the link with a default speed without
>>  > handling or even touching the PHY like U-Boot does. I removed the PHY
>>  > entries from the DTS file and disabled CONFIG_FEC_MPC52xx_MDIO but it
>>  > did not work.
>>
>>  To be more precise, I want to support a 3-Port managed switch with PHY
>>  from Micrel using the direct switch link.
> 
> I'm actually working on this exact problem at the moment.  I'll get a
> patch out shortly to do so.

Great, if I can help with testing, please let me know.

Wolfgang.



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