+int cvm_oct_common_open(struct net_device *dev,
+ void (*link_poll)(struct net_device *))
+{
+ union cvmx_gmxx_prtx_cfg gmx_cfg;
+ struct octeon_ethernet *priv = netdev_priv(dev);
+ int interface = INTERFACE(priv->port);
+ int index = INDEX(priv->port);
+ cvmx_helper_link_info_t link_info;
+ int rv;
+
+ rv = cvm_oct_phy_setup_device(dev);
+ if (rv)
+ return rv;
+
+ gmx_cfg.u64 = cvmx_read_csr(CVMX_GMXX_PRTX_CFG(index, interface));
+ gmx_cfg.s.en = 1;
+ cvmx_write_csr(CVMX_GMXX_PRTX_CFG(index, interface), gmx_cfg.u64);
+
+ if (octeon_is_simulation())
+ return 0;
+
+ if (priv->phydev) {
+ int r = phy_read_status(priv->phydev);
+
+ if (r == 0 && priv->phydev->link == 0)
+ netif_carrier_off(dev);
+ cvm_oct_adjust_link(dev);
+ } else {
+ link_info = cvmx_helper_link_get(priv->port);
+ if (!link_info.s.link_up)
+ netif_carrier_off(dev);
+ priv->poll = link_poll;
+ link_poll(dev);
+ }
+
+ return 0;
+}
+
+void cvm_oct_link_poll(struct net_device *dev)
+{
+ struct octeon_ethernet *priv = netdev_priv(dev);
+ cvmx_helper_link_info_t link_info;
+
+ link_info = cvmx_helper_link_get(priv->port);
+ if (link_info.u64 == priv->link_info)
+ return;
+
+ link_info = cvmx_helper_link_autoconf(priv->port);
+ priv->link_info = link_info.u64;
+
+ if (link_info.s.link_up) {
+ if (!netif_carrier_ok(dev))
+ netif_carrier_on(dev);
+ } else if (netif_carrier_ok(dev)) {
+ netif_carrier_off(dev);
+ }
+ cvm_oct_note_carrier(priv, link_info);
+}
+
+static int cvm_oct_xaui_open(struct net_device *dev)
+{
+ return cvm_oct_common_open(dev, cvm_oct_link_poll);
+}
+