aboutsummaryrefslogtreecommitdiffstats
path: root/target/linux/generic/patches-3.12/771-bgmac-phylib.patch
diff options
context:
space:
mode:
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.patch194
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];