Bug in new IBM 4xx on-chip Ethernet drivers?

Benjamin Herrenschmidt benh at kernel.crashing.org
Wed Mar 3 21:57:45 EST 2004

> because it assumes the OPB clock frequency is 50MHz. If it differs,
> the MII clock frequency generated by the Ethernet controller is erroneous.
> For example, with OPB frequency = 66MHz, the MII clock frequency is set
> to 3.3MHz (this should be 2.5MHz).
> I had already reported the problem to Armin Kuster (please see the message
> http://lists.linuxppc.org/linuxppc-embedded/200306/msg00134.html) and I
> proposed
> a solution but I got no response.
> What do you think?

Hi ! You may well be right on this one. I don't have any 4xx HW
at hand any more, I suggest you contact Matt Porter
<mporter at kernel.crashing.org> on this one
(Sorry Matt, I know I'm not helping much lately...)


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