ar71xx: ag71xx: move link update function
[openwrt/openwrt.git] / target / linux / ar71xx / files / drivers / net / ag71xx / ag71xx_main.c
index 5362edec6bd3ab1adbc163d2aeb967aad6966687..3644b2dd9132ac730bb0b082300a35e9a08a64d0 100644 (file)
@@ -310,6 +310,107 @@ static void ag71xx_rings_cleanup(struct ag71xx *ag)
        ag71xx_ring_free(&ag->tx_ring);
 }
 
+static unsigned char *ag71xx_speed_str(struct ag71xx *ag)
+{
+       switch (ag->speed) {
+       case SPEED_1000:
+               return "1000";
+       case SPEED_100:
+               return "100";
+       case SPEED_10:
+               return "10";
+       }
+
+       return "?";
+}
+
+void ag71xx_link_adjust(struct ag71xx *ag)
+{
+       struct ag71xx_platform_data *pdata = ag71xx_get_pdata(ag);
+       u32 cfg2;
+       u32 ifctl;
+       u32 fifo5;
+       u32 mii_speed;
+
+       if (!ag->link) {
+               netif_carrier_off(ag->dev);
+               if (netif_msg_link(ag))
+                       printk(KERN_INFO "%s: link down\n", ag->dev->name);
+               return;
+       }
+
+       cfg2 = ag71xx_rr(ag, AG71XX_REG_MAC_CFG2);
+       cfg2 &= ~(MAC_CFG2_IF_1000 | MAC_CFG2_IF_10_100 | MAC_CFG2_FDX);
+       cfg2 |= (ag->duplex) ? MAC_CFG2_FDX : 0;
+
+       ifctl = ag71xx_rr(ag, AG71XX_REG_MAC_IFCTL);
+       ifctl &= ~(MAC_IFCTL_SPEED);
+
+       fifo5 = ag71xx_rr(ag, AG71XX_REG_FIFO_CFG5);
+       fifo5 &= ~FIFO_CFG5_BM;
+
+       switch (ag->speed) {
+       case SPEED_1000:
+               mii_speed =  MII_CTRL_SPEED_1000;
+               cfg2 |= MAC_CFG2_IF_1000;
+               fifo5 |= FIFO_CFG5_BM;
+               break;
+       case SPEED_100:
+               mii_speed = MII_CTRL_SPEED_100;
+               cfg2 |= MAC_CFG2_IF_10_100;
+               ifctl |= MAC_IFCTL_SPEED;
+               break;
+       case SPEED_10:
+               mii_speed = MII_CTRL_SPEED_10;
+               cfg2 |= MAC_CFG2_IF_10_100;
+               break;
+       default:
+               BUG();
+               return;
+       }
+
+       if (pdata->is_ar91xx)
+               ag71xx_wr(ag, AG71XX_REG_FIFO_CFG3, 0x00780fff);
+       else if (pdata->is_ar724x)
+               ag71xx_wr(ag, AG71XX_REG_FIFO_CFG3, pdata->fifo_cfg3);
+       else
+               ag71xx_wr(ag, AG71XX_REG_FIFO_CFG3, 0x008001ff);
+
+       if (pdata->set_pll)
+               pdata->set_pll(ag->speed);
+
+       ag71xx_mii_ctrl_set_speed(ag, mii_speed);
+
+       ag71xx_wr(ag, AG71XX_REG_MAC_CFG2, cfg2);
+       ag71xx_wr(ag, AG71XX_REG_FIFO_CFG5, fifo5);
+       ag71xx_wr(ag, AG71XX_REG_MAC_IFCTL, ifctl);
+
+       netif_carrier_on(ag->dev);
+       if (netif_msg_link(ag))
+               printk(KERN_INFO "%s: link up (%sMbps/%s duplex)\n",
+                       ag->dev->name,
+                       ag71xx_speed_str(ag),
+                       (DUPLEX_FULL == ag->duplex) ? "Full" : "Half");
+
+       DBG("%s: fifo_cfg0=%#x, fifo_cfg1=%#x, fifo_cfg2=%#x\n",
+               ag->dev->name,
+               ag71xx_rr(ag, AG71XX_REG_FIFO_CFG0),
+               ag71xx_rr(ag, AG71XX_REG_FIFO_CFG1),
+               ag71xx_rr(ag, AG71XX_REG_FIFO_CFG2));
+
+       DBG("%s: fifo_cfg3=%#x, fifo_cfg4=%#x, fifo_cfg5=%#x\n",
+               ag->dev->name,
+               ag71xx_rr(ag, AG71XX_REG_FIFO_CFG3),
+               ag71xx_rr(ag, AG71XX_REG_FIFO_CFG4),
+               ag71xx_rr(ag, AG71XX_REG_FIFO_CFG5));
+
+       DBG("%s: mac_cfg2=%#x, mac_ifctl=%#x, mii_ctrl=%#x\n",
+               ag->dev->name,
+               ag71xx_rr(ag, AG71XX_REG_MAC_CFG2),
+               ag71xx_rr(ag, AG71XX_REG_MAC_IFCTL),
+               ag71xx_mii_ctrl_rr(ag));
+}
+
 static void ag71xx_hw_set_macaddr(struct ag71xx *ag, unsigned char *mac)
 {
        u32 t;