[U-Boot] [PATCH] net: phy: Improve the Marvell 151x constants

[Phil Edworthy]

Hi Joe,

On 02 December 2016 05:50, Joe Hershberger wrote:
> On 01.12.2016 18:08, Joe Hershberger wrote:
> > Use some constants for the phy configuration instead of so many magic
> > numbers.
> >
> > Signed-off-by: Joe Hershberger <joe.hershberger at ni.com>
> > ---
> >
> >  drivers/net/phy/marvell.c | 47 ++++++++++++++++++++++++++++++++++++-
> ----------
> >  1 file changed, 36 insertions(+), 11 deletions(-)
> >
> > diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c
> > index 4eeb0f6..e06fdac 100644
> > --- a/drivers/net/phy/marvell.c
> > +++ b/drivers/net/phy/marvell.c
> > @@ -82,6 +82,21 @@
> >  #define MIIM_88E1310_PHY_RGMII_CTRL	21
> >  #define MIIM_88E1310_PHY_PAGE		22
> >
> > +/* 88E151x PHY defines */
> > +/* Page 3 registers */
> > +#define MIIM_88E151x_LED_FUNC_CTRL	16
> > +#define MIIM_88E151x_LED_FLD_SZ		4
> > +#define MIIM_88E151x_LED0_OFFS		(0 *
> MIIM_88E151x_LED_FLD_SIZE)
> > +#define MIIM_88E151x_LED1_OFFS		(1 *
> MIIM_88E151x_LED_FLD_SIZE)

Build error: 
marvell.c:89:38: error: 'MIIM_88E151x_LED_FLD_SIZE' undeclared
I guess it should use 'MIIM_88E151x_LED_FLD_SZ' instead!


> > +#define MIIM_88E151x_LED0_ACT		3
> > +#define MIIM_88E151x_LED1_100_1000_LINK	6
> > +#define MIIM_88E151x_LED_TIMER_CTRL	18
> > +#define MIIM_88E151x_INT_EN_OFFS	7
> > +/* Page 18 registers */
> > +#define MIIM_88E151x_GENERAL_CTRL	20
> > +#define MIIM_88E151x_MODE_SGMII		1
> > +#define MIIM_88E151x_RESET_OFFS		15
> > +
> >  /* Marvell 88E1011S */
> >  static int m88e1011s_config(struct phy_device *phydev)
> >  {
> > @@ -289,7 +304,7 @@ static int m88e1518_config(struct phy_device *phydev)
> >  	 */
> >
> >  	/* EEE initialization */
> > -	phy_write(phydev, MDIO_DEVAD_NONE, 22, 0x00ff);
> > +	phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1118_PHY_PAGE,
> 0x00ff);
> >  	phy_write(phydev, MDIO_DEVAD_NONE, 17, 0x214B);
> >  	phy_write(phydev, MDIO_DEVAD_NONE, 16, 0x2144);
> >  	phy_write(phydev, MDIO_DEVAD_NONE, 17, 0x0C28);
> > @@ -298,21 +313,23 @@ static int m88e1518_config(struct phy_device
> *phydev)
> >  	phy_write(phydev, MDIO_DEVAD_NONE, 16, 0x214D);
> >  	phy_write(phydev, MDIO_DEVAD_NONE, 17, 0xCC0C);
> >  	phy_write(phydev, MDIO_DEVAD_NONE, 16, 0x2159);
> > -	phy_write(phydev, MDIO_DEVAD_NONE, 22, 0x0000);
> > +	phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1118_PHY_PAGE,
> 0x0000);
> >
> >  	/* SGMII-to-Copper mode initialization */
> >  	if (phydev->interface == PHY_INTERFACE_MODE_SGMII) {
> >  		/* Select page 18 */
> > -		phy_write(phydev, MDIO_DEVAD_NONE, 22, 18);
> > +		phy_write(phydev, MDIO_DEVAD_NONE,
> MIIM_88E1118_PHY_PAGE, 18);
> >
> >  		/* In reg 20, write MODE[2:0] = 0x1 (SGMII to Copper) */
> > -		m88e1518_phy_writebits(phydev, 20, 0, 3, 1);
> > +		m88e1518_phy_writebits(phydev,
> MIIM_88E151x_GENERAL_CTRL,
> > +				       0, 3, MIIM_88E151x_MODE_SGMII);
> >
> >  		/* PHY reset is necessary after changing MODE[2:0] */
> > -		m88e1518_phy_writebits(phydev, 20, 15, 1, 1);
> > +		m88e1518_phy_writebits(phydev,
> MIIM_88E151x_GENERAL_CTRL,
> > +				       MIIM_88E151x_RESET_OFFS, 1, 1);
> >
> >  		/* Reset page selection */
> > -		phy_write(phydev, MDIO_DEVAD_NONE, 22, 0);
> > +		phy_write(phydev, MDIO_DEVAD_NONE,
> MIIM_88E1118_PHY_PAGE, 0);
> >
> >  		udelay(100);
> >  	}
> > @@ -324,17 +341,25 @@ static int m88e1518_config(struct phy_device
> *phydev)
> >  static int m88e1510_config(struct phy_device *phydev)
> >  {
> >  	/* Select page 3 */
> > -	phy_write(phydev, MDIO_DEVAD_NONE, 22, 3);
> > +	phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1118_PHY_PAGE,
> > +		  MIIM_88E1118_PHY_LED_PAGE);
> >
> >  	/* Enable INTn output on LED[2] */
> > -	m88e1518_phy_writebits(phydev, 18, 7, 1, 1);
> > +	m88e1518_phy_writebits(phydev, MIIM_88E151x_LED_TIMER_CTRL,
> > +			       MIIM_88E151x_INT_EN_OFFS, 1, 1);
> >
> >  	/* Configure LEDs */
> > -	m88e1518_phy_writebits(phydev, 16, 0, 4, 3); /* LED[0]:0011 (ACT) */
> > -	m88e1518_phy_writebits(phydev, 16, 4, 4, 6); /* LED[1]:0110 (LINK) */
> > +	/* LED[0]:0011 (ACT) */
> > +	m88e1518_phy_writebits(phydev, MIIM_88E151x_LED_FUNC_CTRL,
> > +			       MIIM_88E151x_LED0_OFFS,
> MIIM_88E151x_LED_FLD_SZ,
> > +			       MIIM_88E151x_LED0_ACT);
> > +	/* LED[1]:0110 (LINK 100/1000 Mbps) */
> > +	m88e1518_phy_writebits(phydev, MIIM_88E151x_LED_FUNC_CTRL,
> > +			       MIIM_88E151x_LED1_OFFS,
> MIIM_88E151x_LED_FLD_SZ,
> > +			       MIIM_88E151x_LED1_100_1000_LINK);
> >
> >  	/* Reset page selection */
> > -	phy_write(phydev, MDIO_DEVAD_NONE, 22, 0);
> > +	phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1118_PHY_PAGE, 0);
> >
> >  	return m88e1518_config(phydev);
> >  }
> >
> 
> Joe, thanks for working on this:
> 
> Reviewed-by: Stefan Roese <sr at denx.de>
> 
With the above fixed, I have tested this on 88E1512 (patches sent earlier to
support the 88E1512 device.

Thanks
Phil