RollBall SFPs contain a Marvell 88X3310 PHY, but by default the MACTYPE
is set to 10GBASE-R with Rate Matching.
Some devices (for example those based on Armada 38x) only support up to
2500base-x SerDes modes.
Change the PHY's MACTYPE to 4 (which means changing between 10gbase-r,
5gbase-r, 2500bas
On Wed, Oct 28, 2020 at 11:14:26PM +0100, Marek BehĂșn wrote:
> RollBall SFPs contain a Marvell 88X3310 PHY, but by default the MACTYPE
> is set to 10GBASE-R with Rate Matching.
>
> Some devices (for example those based on Armada 38x) only support up to
> 2500base-x SerDes modes.
>
> Change the PH