diff options
| -rw-r--r-- | drivers/net/forcedeth.c | 73 |
1 files changed, 56 insertions, 17 deletions
diff --git a/drivers/net/forcedeth.c b/drivers/net/forcedeth.c index 8c8f7cf0e95..74ed8bb266e 100644 --- a/drivers/net/forcedeth.c +++ b/drivers/net/forcedeth.c @@ -543,6 +543,9 @@ union ring_type { #define PHYID1_OUI_SHFT 6 #define PHYID2_OUI_MASK 0xfc00 #define PHYID2_OUI_SHFT 10 +#define PHYID2_MODEL_MASK 0x03f0 +#define PHY_MODEL_MARVELL_E3016 0x220 +#define PHY_MARVELL_E3016_INITMASK 0x0300 #define PHY_INIT1 0x0f000 #define PHY_INIT2 0x0e00 #define PHY_INIT3 0x01000 @@ -701,6 +704,7 @@ struct fe_priv { int phyaddr; int wolenabled; unsigned int phy_oui; + unsigned int phy_model; u16 gigabit; int intr_test; @@ -1027,14 +1031,13 @@ static int mii_rw(struct net_device *dev, int addr, int miireg, int value) return retval; } -static int phy_reset(struct net_device *dev) +static int phy_reset(struct net_device *dev, u32 bmcr_setup) { struct fe_priv *np = netdev_priv(dev); u32 miicontrol; unsigned int tries = 0; - miicontrol = mii_rw(dev, np->phyaddr, MII_BMCR, MII_READ); - miicontrol |= BMCR_RESET; + miicontrol = BMCR_RESET | bmcr_setup; if (mii_rw(dev, np->phyaddr, MII_BMCR, miicontrol)) { return -1; } @@ -1059,6 +1062,16 @@ static int phy_init(struct net_device *dev) u8 __iomem *base = get_hwbase(dev); u32 phyinterface, phy_reserved, mii_status, mii_control, mii_control_1000,reg; + /* phy errata for E3016 phy */ + if (np->phy_model == PHY_MODEL_MARVELL_E3016) { + reg = mii_rw(dev, np->phyaddr, MII_NCONFIG, MII_READ); + reg &= ~PHY_MARVELL_E3016_INITMASK; + if (mii_rw(dev, np->phyaddr, MII_NCONFIG, reg)) { + printk(KERN_INFO "%s: phy write to errata reg failed.\n", pci_name(np->pci_dev)); + return PHY_ERROR; + } + } + /* set advertise register */ reg = mii_rw(dev, np->phyaddr, MII_ADVERTISE, MII_READ); reg |= (ADVERTISE_10HALF|ADVERTISE_10FULL|ADVERTISE_100HALF|ADVERTISE_100FULL|ADVERTISE_PAUSE_ASYM|ADVERTISE_PAUSE_CAP); @@ -1089,8 +1102,13 @@ static int phy_init(struct net_device *dev) else np->gigabit = 0; - /* reset the phy */ - if (phy_reset(dev)) { + mii_control = mii_rw(dev, np->phyaddr, MII_BMCR, MII_READ); + mii_control |= BMCR_ANENABLE; + + /* reset the phy + * (certain phys need bmcr to be setup with reset) + */ + if (phy_reset(dev, mii_control)) { printk(KERN_INFO "%s: phy reset failed\n", pci_name(np->pci_dev)); return PHY_ERROR; } @@ -3158,9 +3176,18 @@ static int nv_set_settings(struct net_device *dev, struct ethtool_cmd *ecmd) if (netif_running(dev)) printk(KERN_INFO "%s: link down.\n", dev->name); bmcr = mii_rw(dev, np->phyaddr, MII_BMCR, MII_READ); - bmcr |= (BMCR_ANENABLE | BMCR_ANRESTART); - mii_rw(dev, np->phyaddr, MII_BMCR, bmcr); - + if (np->phy_model == PHY_MODEL_MARVELL_E3016) { + bmcr |= BMCR_ANENABLE; + /* reset the phy in order for settings to stick, + * and cause autoneg to start */ + if (phy_reset(dev, bmcr)) { + printk(KERN_INFO "%s: phy reset failed\n", dev->name); + return -EINVAL; + } + } else { + bmcr |= (BMCR_ANENABLE | BMCR_ANRESTART); + mii_rw(dev, np->phyaddr, MII_BMCR, bmcr); + } } else { int adv, bmcr; @@ -3200,17 +3227,19 @@ static int nv_set_settings(struct net_device *dev, struct ethtool_cmd *ecmd) bmcr |= BMCR_FULLDPLX; if (np->fixed_mode & (ADVERTISE_100HALF|ADVERTISE_100FULL)) bmcr |= BMCR_SPEED100; - mii_rw(dev, np->phyaddr, MII_BMCR, bmcr); if (np->phy_oui == PHY_OUI_MARVELL) { - /* reset the phy */ - if (phy_reset(dev)) { + /* reset the phy in order for forced mode settings to stick */ + if (phy_reset(dev, bmcr)) { printk(KERN_INFO "%s: phy reset failed\n", dev->name); return -EINVAL; } - } else if (netif_running(dev)) { - /* Wait a bit and then reconfigure the nic. */ - udelay(10); - nv_linkchange(dev); + } else { + mii_rw(dev, np->phyaddr, MII_BMCR, bmcr); + if (netif_running(dev)) { + /* Wait a bit and then reconfigure the nic. */ + udelay(10); + nv_linkchange(dev); + } } } @@ -3267,8 +3296,17 @@ static int nv_nway_reset(struct net_device *dev) } bmcr = mii_rw(dev, np->phyaddr, MII_BMCR, MII_READ); - bmcr |= (BMCR_ANENABLE | BMCR_ANRESTART); - mii_rw(dev, np->phyaddr, MII_BMCR, bmcr); + if (np->phy_model == PHY_MODEL_MARVELL_E3016) { + bmcr |= BMCR_ANENABLE; + /* reset the phy in order for settings to stick*/ + if (phy_reset(dev, bmcr)) { + printk(KERN_INFO "%s: phy reset failed\n", dev->name); + return -EINVAL; + } + } else { + bmcr |= (BMCR_ANENABLE | BMCR_ANRESTART); + mii_rw(dev, np->phyaddr, MII_BMCR, bmcr); + } if (netif_running(dev)) { nv_start_rx(dev); @@ -4488,6 +4526,7 @@ static int __devinit nv_probe(struct pci_dev *pci_dev, const struct pci_device_i if (id2 < 0 || id2 == 0xffff) continue; + np->phy_model = id2 & PHYID2_MODEL_MASK; id1 = (id1 & PHYID1_OUI_MASK) << PHYID1_OUI_SHFT; id2 = (id2 & PHYID2_OUI_MASK) >> PHYID2_OUI_SHFT; dprintk(KERN_DEBUG "%s: open: Found PHY %04x:%04x at address %d.\n", |