Re: Ethernet PHY chip discovery not working on 855T with 971/972 chips

At 07:29 PM 7/8/2003, Dean Matsen wrote:

Dean Matsen wrote:

quoted

In our devices, reading the first word with the wrong address yields the
value 0, not 0xFFFF.

I suspect that this may have been part of the problem in

http://lists.linuxppc.org/linuxppc-embedded/200107/msg00141.html

but that's a guess.

It usually means that your hw lacks pull-up on MII MDIO line.

Eugene


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