fre 2014-06-27 klockan 01:55 -0700 skrev bruce bushby:

> Using various board configs:
> A20-OLinuXino_MICRO 
> Cubieboard2

These are both 100Mbps EMAC designs.

> Nothing works .....except for "Cubietruck", I am able to get the
> network working using an image built for "Cubietruck"

Cubietruck is 1Gbps GMAC design.

> I think the issue somehow relates to RGMII as this is a difference I
> see when comparing A20-OLinuXino_MICRO  and Cubietruck "dts" files.

The difference is in which u-boot Ethernet driver is being used.

emac (100Mbps) or dwmac (1Gbps).

A20 have both in the hardware. But they differ slightly in how the PHY
is wired.

Regards
Henrik


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