X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/c9789da4c5d508c65d190c5290fc78c58fb55fd4..613a88e6a5a1b15309e72975a92747325e19d0c1:/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 547f72edb..d70aaf092 100644 --- 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) 2008-2009 Gabor Juhos + * Copyright (C) 2008-2010 Gabor Juhos * Copyright (C) 2008 Imre Kaloz * * Based on Atheros' AG7100 driver @@ -13,107 +13,6 @@ #include "ag71xx.h" -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 "?"; -} - -static void ag71xx_phy_link_update(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_phy_link_adjust(struct net_device *dev) { struct ag71xx *ag = netdev_priv(dev); @@ -138,34 +37,36 @@ static void ag71xx_phy_link_adjust(struct net_device *dev) ag->speed = phydev->speed; if (status_change) - ag71xx_phy_link_update(ag); + ag71xx_link_adjust(ag); spin_unlock_irqrestore(&ag->lock, flags); } void ag71xx_phy_start(struct ag71xx *ag) { + struct ag71xx_platform_data *pdata = ag71xx_get_pdata(ag); + if (ag->phy_dev) { phy_start(ag->phy_dev); } else { - struct ag71xx_platform_data *pdata = ag71xx_get_pdata(ag); - - ag->duplex = pdata->duplex; - ag->speed = pdata->speed; + if (pdata->has_ar7240_switch) + ag71xx_ar7240_start(ag); ag->link = 1; - ag71xx_phy_link_update(ag); + ag71xx_link_adjust(ag); } } void ag71xx_phy_stop(struct ag71xx *ag) { + struct ag71xx_platform_data *pdata = ag71xx_get_pdata(ag); + if (ag->phy_dev) { phy_stop(ag->phy_dev); } else { - ag->duplex = -1; + if (pdata->has_ar7240_switch) + ag71xx_ar7240_stop(ag); ag->link = 0; - ag->speed = 0; - ag71xx_phy_link_update(ag); + ag71xx_link_adjust(ag); } } @@ -182,12 +83,16 @@ static int ag71xx_phy_connect_fixed(struct ag71xx *ag) case SPEED_1000: break; default: - printk(KERN_ERR "%s: invalid speed specified\n", - dev->name); + printk(KERN_ERR "%s: invalid speed specified\n", dev->name); ret = -EINVAL; break; } + printk(KERN_DEBUG "%s: using fixed link parameters\n", dev->name); + + ag->duplex = pdata->duplex; + ag->speed = pdata->speed; + return ret; } @@ -196,7 +101,6 @@ 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; @@ -214,50 +118,39 @@ static int ag71xx_phy_connect_multi(struct ag71xx *ag) if (phydev == NULL) phydev = ag->mii_bus->phy_map[phy_addr]; - - phy_count++; } - switch (phy_count) { - case 0: + if (!phydev) { 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, 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, dev_name(&phydev->dev)); - return PTR_ERR(ag->phy_dev); - } + return -ENODEV; + } - /* mask with MAC supported features */ - if (pdata->has_gbit) - phydev->supported &= PHY_GBIT_FEATURES; - else - phydev->supported &= PHY_BASIC_FEATURES; + ag->phy_dev = phy_connect(dev, dev_name(&phydev->dev), + &ag71xx_phy_link_adjust, 0, + pdata->phy_if_mode); - phydev->advertising = phydev->supported; + if (IS_ERR(ag->phy_dev)) { + printk(KERN_ERR "%s: could not connect to PHY at %s\n", + dev->name, dev_name(&phydev->dev)); + return PTR_ERR(ag->phy_dev); + } - printk(KERN_DEBUG "%s: connected to PHY at %s " - "[uid=%08x, driver=%s]\n", - dev->name, dev_name(&phydev->dev), - phydev->phy_id, phydev->drv->name); + /* mask with MAC supported features */ + if (pdata->has_gbit) + phydev->supported &= PHY_GBIT_FEATURES; + else + phydev->supported &= PHY_BASIC_FEATURES; - ag->link = 0; - ag->speed = 0; - ag->duplex = -1; - break; + phydev->advertising = phydev->supported; - default: - printk(KERN_DEBUG "%s: connected to %d PHYs\n", - dev->name, phy_count); - ret = ag71xx_phy_connect_fixed(ag); - break; - } + printk(KERN_DEBUG "%s: connected to PHY at %s [uid=%08x, driver=%s]\n", + dev->name, dev_name(&phydev->dev), + phydev->phy_id, phydev->drv->name); + + ag->link = 0; + ag->speed = 0; + ag->duplex = -1; return ret; } @@ -297,7 +190,7 @@ static struct mii_bus *dev_to_mii_bus(struct device *dev) return NULL; } -int ag71xx_phy_connect(struct ag71xx *ag) +int __devinit ag71xx_phy_connect(struct ag71xx *ag) { struct ag71xx_platform_data *pdata = ag71xx_get_pdata(ag); @@ -309,9 +202,14 @@ int ag71xx_phy_connect(struct ag71xx *ag) } /* Reset the mdio bus explicitly */ - mutex_lock(&ag->mii_bus->mdio_lock); - ag->mii_bus->reset(ag->mii_bus); - mutex_unlock(&ag->mii_bus->mdio_lock); + if (ag->mii_bus->reset) { + mutex_lock(&ag->mii_bus->mdio_lock); + ag->mii_bus->reset(ag->mii_bus); + mutex_unlock(&ag->mii_bus->mdio_lock); + } + + if (pdata->has_ar7240_switch) + return ag71xx_ar7240_init(ag); if (pdata->phy_mask) return ag71xx_phy_connect_multi(ag); @@ -319,8 +217,12 @@ int ag71xx_phy_connect(struct ag71xx *ag) return ag71xx_phy_connect_fixed(ag); } -void ag71xx_phy_disconnect(struct ag71xx *ag) +void __devexit ag71xx_phy_disconnect(struct ag71xx *ag) { - if (ag->phy_dev) + struct ag71xx_platform_data *pdata = ag71xx_get_pdata(ag); + + if (pdata->has_ar7240_switch) + ag71xx_ar7240_cleanup(ag); + else if (ag->phy_dev) phy_disconnect(ag->phy_dev); }