[U-Boot] [PATCH 3/5] net: phy: Marvell 88E151x: Add support for RGMII
Phil Edworthy
phil.edworthy at renesas.com
Fri Dec 9 13:39:35 CET 2016
Hi Stefan,
On 09 December 2016 12:19, Stefan Roese wrote:
> On 09.12.2016 11:41, Phil Edworthy wrote:
> > This has been tested with a Marvell 88E1512 PHY.
> >
> > Signed-off-by: Phil Edworthy <phil.edworthy at renesas.com>
> > ---
> > drivers/net/phy/marvell.c | 14 ++++++++++----
> > 1 file changed, 10 insertions(+), 4 deletions(-)
> >
> > diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c
> > index a7ea435..8214760 100644
> > --- a/drivers/net/phy/marvell.c
> > +++ b/drivers/net/phy/marvell.c
> > @@ -300,13 +300,19 @@ static int m88e1518_config(struct phy_device
> *phydev)
> > phy_write(phydev, MDIO_DEVAD_NONE, 16, 0x2159);
> > phy_write(phydev, MDIO_DEVAD_NONE, 22, 0x0000);
> >
> > - /* SGMII-to-Copper mode initialization */
> > - if (phydev->interface == PHY_INTERFACE_MODE_SGMII) {
> > + /* SGMII/RGMII-to-Copper mode initialization */
> > + if ((phydev->interface == PHY_INTERFACE_MODE_SGMII) ||
> > + phy_interface_is_rgmii(phydev)) {
> > /* Select page 18 */
> > phy_write(phydev, MDIO_DEVAD_NONE, 22, 18);
> >
> > - /* In reg 20, write MODE[2:0] = 0x1 (SGMII to Copper) */
> > - m88e1518_phy_writebits(phydev, 20, 0, 3, 1);
> > + if (phydev->interface == PHY_INTERFACE_MODE_SGMII) {
> > + /* In reg 20, write MODE[2:0] = 0x1 (SGMII to Copper) */
> > + m88e1518_phy_writebits(phydev, 20, 0, 3, 1);
> > + } else {
> > + /* In reg 20, write MODE[2:0] = 0x0 (RGMII to Copper) */
> > + m88e1518_phy_writebits(phydev, 20, 0, 3, 0);
> > + }
> >
> > /* PHY reset is necessary after changing MODE[2:0] */
> > m88e1518_phy_writebits(phydev, 20, 15, 1, 1);
> >
>
> Joe has recently sent a patch, adding some nice macros for the
> some "standard" Marvell PHY register, like PAGE [1]. So this patch
> will most likely generate some merge problems. Please rebase it
> on top of Joe's patch.
Will do!
Thanks
Phil
> Other than this:
>
> Reviewed-by: Stefan Roese <sr at denx.de>
>
> Thanks,
> Stefan
>
> [1] https://patchwork.ozlabs.org/patch/701613/
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