[U-Boot] SMSC LAN8720 support

Ben Warren biggerbadderben at gmail.com
Tue Feb 9 22:07:36 CET 2010


On 2/9/2010 1:04 PM, Maxim Podbereznyi wrote:
> Hi Ben!
>
> I've made LAN8720 work with AT91SAM9G45 MPU. The problem was in a 
> wrong address assigning during the PHY reset. The PHY has internal 
> pull-down on the PHYAD0 line but the init code for AT91 turns off 
> processor's pull-up during PHY reset only for a few lines and they are 
> not PHYAD0. So I disabled also the processor's pull-up to the right 
> line and the PHY got alive. I've tested tftp - works perfect!
>
> Thank you for the help!
>
You're welcome.  Congratulations!

--Ben


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