On Thu, 26 Oct 2017 15:05:18 +0000 York Sun <[email protected]> wrote:
> On 09/29/2017 07:48 AM, Lukasz Majewski wrote: > > This commit allows extended Marvell registers to be read with: > > > > foo > mdio rx FEC 3.10 > > Reading from bus FEC > > PHY at address 0: > > 3.16 - 0x1063 > > foo > mdio wx FEC 3.10 0x1011 > > > > The above code changes the way ETH connector LEDs blink. > > > > Signed-off-by: Lukasz Majewski <[email protected]> > > --- > > drivers/net/phy/marvell.c | 27 +++++++++++++++++++++++++++ > > 1 file changed, 27 insertions(+) > > > > diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c > > index b7f300e..a167c34 100644 > > --- a/drivers/net/phy/marvell.c > > +++ b/drivers/net/phy/marvell.c > > @@ -104,6 +104,31 @@ > > #define MIIM_88E151x_MODE_SGMII 1 > > #define MIIM_88E151x_RESET_OFFS 15 > > > > +static int m88e1xxx_phy_extread(struct phy_device *phydev, int > > addr, > > + int devaddr, int regnum) > > +{ > > + int oldpage = phy_read(phydev, MDIO_DEVAD_NONE, > > MII_MARVELL_PHY_PAGE); > > + int val; > > + > > + phy_write(phydev, MDIO_DEVAD_NONE, MII_MARVELL_PHY_PAGE, > > devaddr); > > + val = phy_read(phydev, MDIO_DEVAD_NONE, regnum); > > + phy_write(phydev, MDIO_DEVAD_NONE, MII_MARVELL_PHY_PAGE, > > oldpage); + > > + return val; > > +} > > + > > +static int m88e1xxx_phy_extwrite(struct phy_device *phydev, int > > addr, > > + int devaddr, int regnum, u16 val) > > +{ > > + int oldpage = phy_read(phydev, MDIO_DEVAD_NONE, > > MII_MARVELL_PHY_PAGE); + > > + phy_write(phydev, MDIO_DEVAD_NONE, MII_MARVELL_PHY_PAGE, > > devaddr); > > + phy_write(phydev, MDIO_DEVAD_NONE, regnum, val); > > + phy_write(phydev, MDIO_DEVAD_NONE, MII_MARVELL_PHY_PAGE, > > oldpage); + > > + return 0; > > +} > > + > > /* Marvell 88E1011S */ > > static int m88e1011s_config(struct phy_device *phydev) > > { > > @@ -669,6 +694,8 @@ static struct phy_driver M88E1510_driver = { > > .config = &m88e1510_config, > > .startup = &m88e1011s_startup, > > .shutdown = &genphy_shutdown, > > + .readext = &m88e1xxx_phy_extread, > > + .writeext = &m88e1xxx_phy_extwrite, > > }; > > > > /* > > > > > I guess this feature is usable. You only enable it for M88E1510. Can > the same be applied to other Marvell PHYs? It should work... However, in this patch I've only enabled one - which I could test..... I can enable more if you can help me with debugging. > > York Best regards, Lukasz Majewski -- DENX Software Engineering GmbH, Managing Director: Wolfgang Denk HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: [email protected] _______________________________________________ U-Boot mailing list [email protected] https://lists.denx.de/listinfo/u-boot

