[meta-xilinx] ZynqMP - Multiple ETH - Not detected PHY?

[Giordon Stark]

Hi,

Still making progress on this chip here -- I managed to get uboot working
(with some probably unrelated errors to fix):
https://gist.github.com/kratsg/432a0c7ff4b348ea24f6960c2b140055

I'm currently trying to get the TFTP sever working, but we have:

gem2: ethernet at ff0d0000
gem3: ethernet at ff0e0000

For us, gem2 is currently disconnected from MDIO (open) and gem3 is
currently connected... however, eth0 -> gem2 and seems to be discoverable
(PHY?) but eth1 -> gem3 is not.

I suspect this is a problem where the device tree doesn't specify the mdio (
https://github.com/kratsg/meta-l1calo/blob/master/recipes-bsp/device-tree/files/gfex-prototype3/gfex-prototype3.dts).
I had this problem with the older Zynq7 series board
https://github.com/kratsg/meta-l1calo/commit/940fa27aa6c9a456ccca7ec60351c26287f9f671
and
this was the patch to get the PHY working. Is the auto-generated device
tree still doesn't seem to work out of the box for ethernet if that's the
case?

Thanks,

Giordon
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