[U-Boot] [RFC] Support for SGMII 2500

[Madalin-cristian Bucur]

> -----Original Message-----
> From: Andrew Lunn [mailto:andrew at lunn.ch]
> Sent: Tuesday, November 28, 2017 4:13 PM
> To: Madalin-cristian Bucur <madalin.bucur at nxp.com>
> Subject: Re: [RFC] Support for SGMII 2500
> 
> > Hi Andrew,
> >
> > Bhaskar is working on enabling a PFE [1] MAC connected to an Aquantia
> AQR107
> > PHY [2] on a LS1012AQDS board. Initially I've indicated 2500Base-X too,
> but it
> > seems the HW actually works in SGMII mode. The QDS boards are lower
> volume,
> > higher spec boards than the RDBs [3], they exercise most of the HW
> capabilities.
> 
> The webpage for the AQR107 lists 2500Base-X, so i assume the issue is
> with the MAC? Ideally you want to use 2500Base-X, since this is wider
> known.
> 
> Anyway, you seem to have a legitimate need for it.
> 
> However, i would prefer a different name. The convention is to put the
> number first. So PHY_INTERFACE_MODE_2500SGMII.
> 
>        Andrew

OK,

I just wanted to make sure 2.5G SGMII is to be added separately from the
"normal" SGMII, as it was done in u-boot. Thanks also for the naming hint.

Madalin