[U-Boot-Users] [PATCH] Add support for Generic PHY in macb

Haavard Skinnemoen hskinnemoen at atmel.com
Fri Feb 22 17:08:56 CET 2008


On Fri, 22 Feb 2008 16:02:13 +0000 (GMT)
Michael Trimarchi <trimarchimichael at yahoo.it> wrote:

> > In any case, the dm9161a PHY in question does implement MDIO, so it
> > really should work without any modifications.
> >   
> Maybe we can add the for cycle like in linux to check the phy addr?

Yes, we could do that. But it comes with its own share of problems --
some boards have a too weak pull-up (or none at all) on the MDIO line,
so the probing code sometimes thinks it has found a whole bunch of
PHYs...

Haavard




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