[U-Boot-Users] MII / RMII

Stefan Roese sr at denx.de
Tue Jan 8 05:43:17 CET 2008


On Tuesday 08 January 2008, Andy Fleming wrote:
> > I think that if you use an Ethernet and need to differentiate
> > between MII and RMII they should be mutually exclusive.
> > You either define CONFIG_RMII OR CONFIG_MII but not both.
> > If you have a PHY on the chip, then you do not define any of the two.
> > MII uses more pins and maybe different pins, so a port for a CPU
> > should differentiate.
>
> I'm a little late to this, but I feel I should make sure people are aware
> that CONFIG_MII and CONFIG_RMII are not, in this case, two different
> options for the same concept.  CONFIG_MII is the option you enable to allow
> MII Management operations to be done.  It should *probably* be called
> CONFIG_MDIO.

Yes, this would be good. Anyone interested in fixing up a patch for this?

Thanks.

Best regards,
Stefan

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