On Thu, 24 Jan 2019 19:11:59 +0100
Andrew Lunn <and...@lunn.ch> wrote:
> On Thu, Jan 24, 2019 at 07:04:51PM +0100, Marek Behun wrote:
> > What properties does the cpu port node need to contain to force it?
> > phy-mode = "2500base-x"; is not enough.
>
> Hi Marek
>
> For DSA ports we have:
>
> phy-mode =
> "rgmii-txid"; fixed-link {
> speed =
> <1000>; full-duplex;
> };
>
> See dsa_port_fixed_link_register_of()
>
> Andrew
Hi Andrew,
the configuration
phy-mode = "2500base-x";
fixed-link {
speed = <2500>;
full-duplex;
};
does not work, because swphy does not support speed=2500 (only 10, 100
and 1000).
managed = "in-band-status";
does not work either.
If I use speed = <1000>, then the swphy is created correctly, cmode is
set correctly to 2500base-x, but speed register on the port is set to
1000, and the connection does not work.
The easiest way would probably be to implement swphy to support speed
2500. But I don't know what values should the simulated PHY registers
contain...
The function dsa_port_fixed_link_register_of creates this phy device,
adjusts the link and then calls put_device(&phydev->mdio.dev);
Does this mean that the phy device is immediately destroyed?
Marek
