Hello, Miquel Raynal <miquel.raynal@xxxxxxxxxxx> wrote on Tue, 18 Dec 2018 09:18:17 +0100: > Hi Marek, > > Marek Behun <marek.behun@xxxxxx> wrote on Mon, 17 Dec 2018 22:34:30 > +0100: > > > Miquel, > > > > I tried the patches and they are working, with the exception of Compex > > WLE900X card, but we know that this card is problematic. > > How did you test them? I am surprised that COMPHY calls worked for you > out of the box. I am not sure you have A3700 COMPHY support in your ATF > but it probably work because U-Boot is doing the initial configuration. Let me correct myself: actually the feature is already mainline! See [2]. It will be added to Marvell's BSP by the end of the year. So if you are running a recent mainline ATF you are good to go! > > > I am interesting if there is a known way to turn of the comphy on > > A3720, or at least change the SGMII mode from 1Gbps to 2.5Gbps and > > back. Marvell documentation does not provide this information and the > > code in ATF providing the SMC calls does not do this either. > > Do you know how this can be achieved? > > The driver already handles these calls (see [1]), making use of > them is just a matter of hacking into drivers (in your case, I > suppose it is mvneta) and add phy_set_mode()/phy_power_on() calls. > > [1] https://github.com/miquelraynal/linux/blob/marvell/phy-next/pm/drivers/phy/marvell/phy-mvebu-a3700-comphy.c#L189 > > > Thanks, > Miquèl [2] https://github.com/ARM-software/arm-trusted-firmware/blob/master/drivers/marvell/comphy/phy-comphy-3700.c Thanks, Miquèl
