diff options
Diffstat (limited to 'drivers/net/gianfar.c')
| -rw-r--r-- | drivers/net/gianfar.c | 39 |
1 files changed, 38 insertions, 1 deletions
diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c index 9d2d8145b876..3b0ef781b8b2 100644 --- a/drivers/net/gianfar.c +++ b/drivers/net/gianfar.c @@ -130,6 +130,9 @@ static int gfar_remove(struct platform_device *pdev); static void free_skb_resources(struct gfar_private *priv); static void gfar_set_multi(struct net_device *dev); static void gfar_set_hash_for_addr(struct net_device *dev, u8 *addr); +static void gfar_configure_serdes(struct net_device *dev); +extern int gfar_local_mdio_write(struct gfar_mii *regs, int mii_id, int regnum, u16 value); +extern int gfar_local_mdio_read(struct gfar_mii *regs, int mii_id, int regnum); #ifdef CONFIG_GFAR_NAPI static int gfar_poll(struct net_device *dev, int *budget); #endif @@ -417,8 +420,18 @@ static phy_interface_t gfar_get_interface(struct net_device *dev) if (ecntrl & ECNTRL_REDUCED_MODE) { if (ecntrl & ECNTRL_REDUCED_MII_MODE) return PHY_INTERFACE_MODE_RMII; - else + else { + phy_interface_t interface = priv->einfo->interface; + + /* + * This isn't autodetected right now, so it must + * be set by the device tree or platform code. + */ + if (interface == PHY_INTERFACE_MODE_RGMII_ID) + return PHY_INTERFACE_MODE_RGMII_ID; + return PHY_INTERFACE_MODE_RGMII; + } } if (priv->einfo->device_flags & FSL_GIANFAR_DEV_HAS_GIGABIT) @@ -451,6 +464,9 @@ static int init_phy(struct net_device *dev) phydev = phy_connect(dev, phy_id, &adjust_link, 0, interface); + if (interface == PHY_INTERFACE_MODE_SGMII) + gfar_configure_serdes(dev); + if (IS_ERR(phydev)) { printk(KERN_ERR "%s: Could not attach to PHY\n", dev->name); return PTR_ERR(phydev); @@ -465,6 +481,27 @@ static int init_phy(struct net_device *dev) return 0; } +static void gfar_configure_serdes(struct net_device *dev) +{ + struct gfar_private *priv = netdev_priv(dev); + struct gfar_mii __iomem *regs = + (void __iomem *)&priv->regs->gfar_mii_regs; + + /* Initialise TBI i/f to communicate with serdes (lynx phy) */ + + /* Single clk mode, mii mode off(for aerdes communication) */ + gfar_local_mdio_write(regs, TBIPA_VALUE, MII_TBICON, TBICON_CLK_SELECT); + + /* Supported pause and full-duplex, no half-duplex */ + gfar_local_mdio_write(regs, TBIPA_VALUE, MII_ADVERTISE, + ADVERTISE_1000XFULL | ADVERTISE_1000XPAUSE | + ADVERTISE_1000XPSE_ASYM); + + /* ANEG enable, restart ANEG, full duplex mode, speed[1] set */ + gfar_local_mdio_write(regs, TBIPA_VALUE, MII_BMCR, BMCR_ANENABLE | + BMCR_ANRESTART | BMCR_FULLDPLX | BMCR_SPEED1000); +} + static void init_registers(struct net_device *dev) { struct gfar_private *priv = netdev_priv(dev); |