On Fri, 26 Mar 2021 09:07:34 +0000 Russell King - ARM Linux admin <li...@armlinux.org.uk> wrote:
> > Nice, didn't know about that. But I fear whether this would always work > > for the 88X3310 vs 88X3310P, it is possible that this feature is only > > recognizable if the firmware in the PHY is already running. > > The ID registers aren't programmable and contain the proper IDs even if > there isn't firmware loaded (I've had such a PHY here.) > Yes, but the macsec feature bit is in register MDIO_MMD_PMAPMD.MV_PMA_XGSTAT.12 (1.c001.12) But it says "This bit is valid upon completion of reset (1.0.15 = 0)", so it seems we can use this. :) Marek
