ar71xx: use soc specific divider for mdio clock

[openwrt.git] / target / linux / ar71xx / files / drivers / net / ag71xx / ag71xx_phy.c

diff --git a/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_phy.c b/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_phy.c
index f0a4bd9..6fe4d40 100644 (file)
--- a/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_phy.c
+++ b/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_phy.c
@@ -1,7 +1,7 @@
 /*
  *  Atheros AR71xx built-in ethernet mac driver
  *
- *  Copyright (C) 2008 Gabor Juhos <juhosg@openwrt.org>
+ *  Copyright (C) 2008-2009 Gabor Juhos <juhosg@openwrt.org>
  *  Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
  *
  *  Based on Atheros' AG7100 driver
@@ -27,20 +27,11 @@ static unsigned char *ag71xx_speed_str(struct ag71xx *ag)
        return "?";
 }
 
-#define AR71XX_PLL_VAL_1000    0x00110000
-#define AR71XX_PLL_VAL_100     0x00001099
-#define AR71XX_PLL_VAL_10      0x00991099
-
-#define AR91XX_PLL_VAL_1000    0x1a000000
-#define AR91XX_PLL_VAL_100     0x13000a44
-#define AR91XX_PLL_VAL_10      0x00441099
-
 static void ag71xx_phy_link_update(struct ag71xx *ag)
 {
        struct ag71xx_platform_data *pdata = ag71xx_get_pdata(ag);
        u32 cfg2;
        u32 ifctl;
-       u32 pll;
        u32 fifo5;
        u32 mii_speed;
 
@@ -65,22 +56,16 @@ static void ag71xx_phy_link_update(struct ag71xx *ag)
        case SPEED_1000:
                mii_speed =  MII_CTRL_SPEED_1000;
                cfg2 |= MAC_CFG2_IF_1000;
-               pll = pdata->is_ar91xx ? AR91XX_PLL_VAL_1000
-                                      : AR71XX_PLL_VAL_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;
-               pll = pdata->is_ar91xx ? AR91XX_PLL_VAL_100
-                                      : AR71XX_PLL_VAL_100;
                break;
        case SPEED_10:
                mii_speed = MII_CTRL_SPEED_10;
                cfg2 |= MAC_CFG2_IF_10_100;
-               pll = pdata->is_ar91xx ? AR91XX_PLL_VAL_10
-                                      : AR71XX_PLL_VAL_10;
                break;
        default:
                BUG();
@@ -89,7 +74,10 @@ static void ag71xx_phy_link_update(struct ag71xx *ag)
 
        ag71xx_wr(ag, AG71XX_REG_FIFO_CFG3,
                        pdata->is_ar91xx ? 0x780fff : 0x008001ff);
-       pdata->set_pll(pll);
+
+       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);
@@ -177,43 +165,68 @@ void ag71xx_phy_stop(struct ag71xx *ag)
        }
 }
 
-int ag71xx_phy_connect(struct ag71xx *ag)
+static int ag71xx_phy_connect_fixed(struct ag71xx *ag)
+{
+       struct net_device *dev = ag->dev;
+       struct ag71xx_platform_data *pdata = ag71xx_get_pdata(ag);
+       int ret = 0;
+
+       /* use fixed settings */
+       switch (pdata->speed) {
+       case SPEED_10:
+       case SPEED_100:
+       case SPEED_1000:
+               break;
+       default:
+               printk(KERN_ERR "%s: invalid speed specified\n",
+                       dev->name);
+               ret = -EINVAL;
+               break;
+       }
+
+       return ret;
+}
+
+static int ag71xx_phy_connect_multi(struct ag71xx *ag)
 {
        struct net_device *dev = ag->dev;
        struct ag71xx_platform_data *pdata = ag71xx_get_pdata(ag);
        struct phy_device *phydev = NULL;
        int phy_count = 0;
        int phy_addr;
+       int ret = 0;
 
-       if (ag->mii_bus && pdata->phy_mask) {
-               /* TODO: use mutex of the mdio bus? */
-               for (phy_addr = 0; phy_addr < PHY_MAX_ADDR; phy_addr++) {
-                       if (!(pdata->phy_mask & (1 << phy_addr)))
-                               continue;
+       for (phy_addr = 0; phy_addr < PHY_MAX_ADDR; phy_addr++) {
+               if (!(pdata->phy_mask & (1 << phy_addr)))
+                       continue;
 
-                       if (ag->mii_bus->phy_map[phy_addr] == NULL)
-                               continue;
+               if (ag->mii_bus->phy_map[phy_addr] == NULL)
+                       continue;
 
-                       DBG("%s: PHY found at %s, uid=%08x\n",
-                               dev->name,
-                               ag->mii_bus->phy_map[phy_addr]->dev.bus_id,
-                               ag->mii_bus->phy_map[phy_addr]->phy_id);
+               DBG("%s: PHY found at %s, uid=%08x\n",
+                       dev->name,
+                       dev_name(&ag->mii_bus->phy_map[phy_addr]->dev),
+                       ag->mii_bus->phy_map[phy_addr]->phy_id);
 
-                       if (phydev == NULL)
-                               phydev = ag->mii_bus->phy_map[phy_addr];
+               if (phydev == NULL)
+                       phydev = ag->mii_bus->phy_map[phy_addr];
 
-                       phy_count++;
-               }
+               phy_count++;
        }
 
        switch (phy_count) {
+       case 0:
+               printk(KERN_ERR "%s: no PHY found with phy_mask=%08x\n",
+                       dev->name, pdata->phy_mask);
+               ret = -ENODEV;
+               break;
        case 1:
-               ag->phy_dev = phy_connect(dev, phydev->dev.bus_id,
+               ag->phy_dev = phy_connect(dev, dev_name(&phydev->dev),
                        &ag71xx_phy_link_adjust, 0, pdata->phy_if_mode);
 
                if (IS_ERR(ag->phy_dev)) {
                        printk(KERN_ERR "%s: could not connect to PHY at %s\n",
-                               dev->name, phydev->dev.bus_id);
+                               dev->name, dev_name(&phydev->dev));
                        return PTR_ERR(ag->phy_dev);
                }
 
@@ -227,7 +240,7 @@ int ag71xx_phy_connect(struct ag71xx *ag)
 
                printk(KERN_DEBUG "%s: connected to PHY at %s "
                        "[uid=%08x, driver=%s]\n",
-                       dev->name, phydev->dev.bus_id,
+                       dev->name, dev_name(&phydev->dev),
                        phydev->phy_id, phydev->drv->name);
 
                ag->link = 0;
@@ -236,24 +249,23 @@ int ag71xx_phy_connect(struct ag71xx *ag)
                break;
 
        default:
-               switch (pdata->speed) {
-               case SPEED_10:
-               case SPEED_100:
-               case SPEED_1000:
-                       break;
-               default:
-                       printk(KERN_ERR "%s: invalid speed specified\n",
-                               dev->name);
-                       return -EINVAL;
-               }
-
-               ag->phy_dev = NULL;
                printk(KERN_DEBUG "%s: connected to %d PHYs\n",
                        dev->name, phy_count);
+               ret = ag71xx_phy_connect_fixed(ag);
                break;
        }
 
-       return 0;
+       return ret;
+}
+
+int ag71xx_phy_connect(struct ag71xx *ag)
+{
+       struct ag71xx_platform_data *pdata = ag71xx_get_pdata(ag);
+
+       if (pdata->phy_mask)
+               return ag71xx_phy_connect_multi(ag);
+
+       return ag71xx_phy_connect_fixed(ag);
 }
 
 void ag71xx_phy_disconnect(struct ag71xx *ag)