On Mon, Aug 26, 2019 at 11:31:55PM +0200, Marek Behún wrote:
> Currently we support SERDES on the Topaz family in a limited way: no
> IRQs and the cmode is not writable, thus the mode is determined by
> strapping pins.
>
> Marvell's examples though show how to make cmode writable on port 5 and
> support SGMII autonegotiation. It is done by writing hidden registers,
> for which we already have code.
>
> This patch adds support for making the cmode for the SERDES port
> writable on the Topaz family, via a new chip operation,
> .port_set_cmode_writable, which is called from mv88e6xxx_port_setup_mac
> just before .port_set_cmode.
>
> SERDES IRQs are also enabled for Topaz.
>
> Tested on Turris Mox.
>
> Signed-off-by: Marek Behún <marek.be...@nic.cz>
Reviewed-by: Andrew Lunn <and...@lunn.ch>
Andrew
