On 28.02.2019 00:19, Andrew Lunn wrote: >> >From what you've described, it sounds like what you actually have is: >> >> MAC <---> Serdes PHY <---> PHY >> >> The Serdes PHY receives the SGMII in-band negotiation from the external >> PHY, but there is no propagation of the status from the serdes PHY to >> the MAC. > > Yes, that is a good description. So far, we have not yet got the MAC > to read the speed and duplex from the SERDES to configure itself. In > theory it should be able to, it is all in the same device. > > It might be that once the SERDES interrupts saying it has link we need > to program the MAC with the result of the in-band signalling. in-band > then seems a bit pointless. Or we are missing some configuration > somewhere to tell the MAC to use the in-band signalling result from > the SERDES. > I'll play a little with it and see whether I get it working. As a fallback we have the option to go with out-of-band.
> Andrew > > Heiner
