diff options
Diffstat (limited to 'target/linux/generic/patches-3.12/771-bgmac-phylib.patch')
| -rw-r--r-- | target/linux/generic/patches-3.12/771-bgmac-phylib.patch | 194 |
1 files changed, 194 insertions, 0 deletions
diff --git a/target/linux/generic/patches-3.12/771-bgmac-phylib.patch b/target/linux/generic/patches-3.12/771-bgmac-phylib.patch new file mode 100644 index 0000000000..2d1db3f9e9 --- /dev/null +++ b/target/linux/generic/patches-3.12/771-bgmac-phylib.patch @@ -0,0 +1,194 @@ +Use phy lib for the phy. This is needed to get the switch connected to +the phy and driven by b53 working. + +Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> + +--- a/drivers/net/ethernet/broadcom/bgmac.c ++++ b/drivers/net/ethernet/broadcom/bgmac.c +@@ -1219,27 +1219,14 @@ static int bgmac_set_mac_address(struct + static int bgmac_ioctl(struct net_device *net_dev, struct ifreq *ifr, int cmd) + { + struct bgmac *bgmac = netdev_priv(net_dev); +- struct mii_ioctl_data *data = if_mii(ifr); + +- switch (cmd) { +- case SIOCGMIIPHY: +- data->phy_id = bgmac->phyaddr; +- /* fallthru */ +- case SIOCGMIIREG: +- if (!netif_running(net_dev)) +- return -EAGAIN; +- data->val_out = bgmac_phy_read(bgmac, data->phy_id, +- data->reg_num & 0x1f); +- return 0; +- case SIOCSMIIREG: +- if (!netif_running(net_dev)) +- return -EAGAIN; +- bgmac_phy_write(bgmac, data->phy_id, data->reg_num & 0x1f, +- data->val_in); +- return 0; +- default: +- return -EOPNOTSUPP; +- } ++ if (!netif_running(net_dev)) ++ return -EINVAL; ++ ++ if (!bgmac->phydev) ++ return -EINVAL; ++ ++ return phy_mii_ioctl(bgmac->phydev, ifr, cmd); + } + + static const struct net_device_ops bgmac_netdev_ops = { +@@ -1261,61 +1248,16 @@ static int bgmac_get_settings(struct net + { + struct bgmac *bgmac = netdev_priv(net_dev); + +- cmd->supported = SUPPORTED_10baseT_Half | +- SUPPORTED_10baseT_Full | +- SUPPORTED_100baseT_Half | +- SUPPORTED_100baseT_Full | +- SUPPORTED_1000baseT_Half | +- SUPPORTED_1000baseT_Full | +- SUPPORTED_Autoneg; +- +- if (bgmac->autoneg) { +- WARN_ON(cmd->advertising); +- if (bgmac->full_duplex) { +- if (bgmac->speed & BGMAC_SPEED_10) +- cmd->advertising |= ADVERTISED_10baseT_Full; +- if (bgmac->speed & BGMAC_SPEED_100) +- cmd->advertising |= ADVERTISED_100baseT_Full; +- if (bgmac->speed & BGMAC_SPEED_1000) +- cmd->advertising |= ADVERTISED_1000baseT_Full; +- } else { +- if (bgmac->speed & BGMAC_SPEED_10) +- cmd->advertising |= ADVERTISED_10baseT_Half; +- if (bgmac->speed & BGMAC_SPEED_100) +- cmd->advertising |= ADVERTISED_100baseT_Half; +- if (bgmac->speed & BGMAC_SPEED_1000) +- cmd->advertising |= ADVERTISED_1000baseT_Half; +- } +- } else { +- switch (bgmac->speed) { +- case BGMAC_SPEED_10: +- ethtool_cmd_speed_set(cmd, SPEED_10); +- break; +- case BGMAC_SPEED_100: +- ethtool_cmd_speed_set(cmd, SPEED_100); +- break; +- case BGMAC_SPEED_1000: +- ethtool_cmd_speed_set(cmd, SPEED_1000); +- break; +- } +- } +- +- cmd->duplex = bgmac->full_duplex ? DUPLEX_FULL : DUPLEX_HALF; +- +- cmd->autoneg = bgmac->autoneg; +- +- return 0; ++ return phy_ethtool_gset(bgmac->phydev, cmd); + } + +-#if 0 + static int bgmac_set_settings(struct net_device *net_dev, + struct ethtool_cmd *cmd) + { + struct bgmac *bgmac = netdev_priv(net_dev); + +- return -1; ++ return phy_ethtool_sset(bgmac->phydev, cmd); + } +-#endif + + static void bgmac_get_drvinfo(struct net_device *net_dev, + struct ethtool_drvinfo *info) +@@ -1326,6 +1268,7 @@ static void bgmac_get_drvinfo(struct net + + static const struct ethtool_ops bgmac_ethtool_ops = { + .get_settings = bgmac_get_settings, ++ .set_settings = bgmac_set_settings, + .get_drvinfo = bgmac_get_drvinfo, + }; + +@@ -1344,10 +1287,36 @@ static int bgmac_mii_write(struct mii_bu + return bgmac_phy_write(bus->priv, mii_id, regnum, value); + } + ++static void bgmac_adjust_link(struct net_device *dev) ++{ ++ struct bgmac *bgmac = netdev_priv(dev); ++ struct phy_device *phydev = bgmac->phydev; ++ bool status_changed = 0; ++ ++ BUG_ON(!phydev); ++ ++ if (bgmac->old_link != phydev->link) { ++ status_changed = 1; ++ bgmac->old_link = phydev->link; ++ } ++ ++ /* reflect duplex change */ ++ if (phydev->link && (bgmac->old_duplex != phydev->duplex)) { ++ status_changed = 1; ++ bgmac->old_duplex = phydev->duplex; ++ } ++ ++ if (status_changed) ++ phy_print_status(phydev); ++} ++ + static int bgmac_mii_register(struct bgmac *bgmac) + { + struct mii_bus *mii_bus; + int i, err = 0; ++ struct phy_device *phydev = NULL; ++ char phy_id[MII_BUS_ID_SIZE + 3]; ++ struct net_device *net_dev = bgmac->net_dev; + + mii_bus = mdiobus_alloc(); + if (!mii_bus) +@@ -1378,7 +1347,28 @@ static int bgmac_mii_register(struct bgm + + bgmac->mii_bus = mii_bus; + +- return err; ++ /* connect to PHY */ ++ snprintf(phy_id, sizeof(phy_id), PHY_ID_FMT, ++ mii_bus->id, bgmac->phyaddr); ++ ++ phydev = phy_connect(net_dev, phy_id, &bgmac_adjust_link, ++ PHY_INTERFACE_MODE_MII); ++ ++ if (IS_ERR(phydev)) { ++ netdev_err(net_dev, "could not attach PHY: %s\n", phy_id); ++ bgmac->phyaddr = BGMAC_PHY_NOREGS; ++ return PTR_ERR(phydev); ++ } ++ ++ bgmac->phydev = phydev; ++ bgmac->old_link = 0; ++ bgmac->old_duplex = -1; ++ bgmac->phyaddr = phydev->addr; ++ ++ netdev_info(net_dev, "attached PHY driver [%s] (mii_bus:phy_addr=%s)\n", ++ phydev->drv->name, dev_name(&phydev->dev)); ++ ++ return 0; + + err_free_irq: + kfree(mii_bus->irq); +--- a/drivers/net/ethernet/broadcom/bgmac.h ++++ b/drivers/net/ethernet/broadcom/bgmac.h +@@ -401,7 +401,10 @@ struct bgmac { + struct bcma_device *cmn; /* Reference to CMN core for BCM4706 */ + struct net_device *net_dev; + struct napi_struct napi; ++ struct phy_device *phydev; + struct mii_bus *mii_bus; ++ int old_link; ++ int old_duplex; + + /* DMA */ + struct bgmac_dma_ring tx_ring[BGMAC_MAX_TX_RINGS]; |