X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/1e52fbecdbd7b91f8b14f2ec4b13cfcf2cab59a2..22b99f32a13348502bc0f33b93b70565e941d99c:/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 deleted file mode 100644 index 4233152ae..000000000 --- a/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_phy.c +++ /dev/null @@ -1,328 +0,0 @@ -/* - * Atheros AR71xx built-in ethernet mac driver - * - * Copyright (C) 2008-2009 Gabor Juhos - * Copyright (C) 2008 Imre Kaloz - * - * Based on Atheros' AG7100 driver - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published - * by the Free Software Foundation. - */ - -#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); - struct phy_device *phydev = ag->phy_dev; - unsigned long flags; - int status_change = 0; - - spin_lock_irqsave(&ag->lock, flags); - - if (phydev->link) { - if (ag->duplex != phydev->duplex - || ag->speed != phydev->speed) { - status_change = 1; - } - } - - if (phydev->link != ag->link) - status_change = 1; - - ag->link = phydev->link; - ag->duplex = phydev->duplex; - ag->speed = phydev->speed; - - if (status_change) - ag71xx_phy_link_update(ag); - - spin_unlock_irqrestore(&ag->lock, flags); -} - -void ag71xx_phy_start(struct ag71xx *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; - ag->link = 1; - ag71xx_phy_link_update(ag); - } -} - -void ag71xx_phy_stop(struct ag71xx *ag) -{ - if (ag->phy_dev) { - phy_stop(ag->phy_dev); - } else { - ag->duplex = -1; - ag->link = 0; - ag->speed = 0; - ag71xx_phy_link_update(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; - - 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; - - 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]; - - 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, 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); - } - - /* mask with MAC supported features */ - if (pdata->has_gbit) - phydev->supported &= PHY_GBIT_FEATURES; - else - phydev->supported &= PHY_BASIC_FEATURES; - - phydev->advertising = phydev->supported; - - 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; - break; - - default: - printk(KERN_DEBUG "%s: connected to %d PHYs\n", - dev->name, phy_count); - ret = ag71xx_phy_connect_fixed(ag); - break; - } - - return ret; -} - -static int dev_is_class(struct device *dev, void *class) -{ - if (dev->class != NULL && !strcmp(dev->class->name, class)) - return 1; - - return 0; -} - -static struct device *dev_find_class(struct device *parent, char *class) -{ - if (dev_is_class(parent, class)) { - get_device(parent); - return parent; - } - - return device_find_child(parent, class, dev_is_class); -} - -static struct mii_bus *dev_to_mii_bus(struct device *dev) -{ - struct device *d; - - d = dev_find_class(dev, "mdio_bus"); - if (d != NULL) { - struct mii_bus *bus; - - bus = to_mii_bus(d); - put_device(d); - - return bus; - } - - return NULL; -} - -int ag71xx_phy_connect(struct ag71xx *ag) -{ - struct ag71xx_platform_data *pdata = ag71xx_get_pdata(ag); - - ag->mii_bus = dev_to_mii_bus(pdata->mii_bus_dev); - if (ag->mii_bus == NULL) { - printk(KERN_ERR "%s: unable to find MII bus on device '%s'\n", - ag->dev->name, dev_name(pdata->mii_bus_dev)); - return -ENODEV; - } - - /* Reset the mdio bus explicitly */ - 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->phy_mask) - return ag71xx_phy_connect_multi(ag); - - return ag71xx_phy_connect_fixed(ag); -} - -void ag71xx_phy_disconnect(struct ag71xx *ag) -{ - if (ag->phy_dev) - phy_disconnect(ag->phy_dev); -}