X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/c680366531724621150ca3d6cbb6d52c0c1b96e2..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 9173b48ad..000000000 --- a/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_phy.c +++ /dev/null @@ -1,304 +0,0 @@ -/* - * Atheros AR71xx built-in ethernet mac driver - * - * Copyright (C) 2008 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" - -#define PLL_SEC_CONFIG 0x18050004 -#define PLL_ETH0_INT_CLOCK 0x18050010 -#define PLL_ETH1_INT_CLOCK 0x18050014 -#define PLL_ETH_EXT_CLOCK 0x18050018 - -#define ag71xx_pll_shift(_ag) (((_ag)->pdev->id) ? 19 : 17) -#define ag71xx_pll_offset(_ag) (((_ag)->pdev->id) ? PLL_ETH1_INT_CLOCK \ - : PLL_ETH0_INT_CLOCK) - -static void ag71xx_set_pll(struct ag71xx *ag, u32 pll_val) -{ - void __iomem *pll_reg = ioremap_nocache(ag71xx_pll_offset(ag), 4); - void __iomem *pll_cfg = ioremap_nocache(PLL_SEC_CONFIG, 4); - u32 s; - u32 t; - - s = ag71xx_pll_shift(ag); - - t = __raw_readl(pll_cfg); - t &= ~(3 << s); - t |= (2 << s); - __raw_writel(t, pll_cfg); - udelay(100); - - __raw_writel(pll_val, pll_reg); - - t |= (3 << s); - __raw_writel(t, pll_cfg); - udelay(100); - - t &= ~(3 << s); - __raw_writel(t, pll_cfg); - udelay(100); - DBG("%s: pll_reg %#x: %#x\n", ag->dev->name, - (unsigned int)pll_reg, __raw_readl(pll_reg)); - - iounmap(pll_cfg); - iounmap(pll_reg); -} - -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 "?"; -} - -#if 1 -#define PLL_VAL_1000 0x00110000 -#define PLL_VAL_100 0x00001099 -#define PLL_VAL_10 0x00991099 -#else -#define PLL_VAL_1000 0x01111000 -#define PLL_VAL_100 0x09991000 -#define PLL_VAL_10 0x09991999 -#endif - -static void ag71xx_phy_link_update(struct ag71xx *ag) -{ - u32 cfg2; - u32 ifctl; - u32 pll; - 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; - pll = 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 = PLL_VAL_100; - break; - case SPEED_10: - mii_speed = MII_CTRL_SPEED_10; - cfg2 |= MAC_CFG2_IF_10_100; - pll = PLL_VAL_10; - break; - default: - BUG(); - return; - } - - ag71xx_wr(ag, AG71XX_REG_FIFO_CFG3, 0x008001ff); - ag71xx_set_pll(ag, pll); - 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) { - if (phydev->link) - netif_schedule(dev); - - 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); - } -} - -int ag71xx_phy_connect(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; - - 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; - - 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); - - if (phydev == NULL) - phydev = ag->mii_bus->phy_map[phy_addr]; - - phy_count++; - } - } - - switch (phy_count) { - case 1: - ag->phy_dev = phy_connect(dev, phydev->dev.bus_id, - &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); - 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, phydev->dev.bus_id, - phydev->phy_id, phydev->drv->name); - - ag->link = 0; - ag->speed = 0; - ag->duplex = -1; - 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); - break; - } - - return 0; -} - -void ag71xx_phy_disconnect(struct ag71xx *ag) -{ - if (ag->phy_dev) - phy_disconnect(ag->phy_dev); -}