-static void dw_eth_halt(struct eth_device *dev)
-{
- struct dw_eth_dev *priv = dev->priv;
-
- mac_reset(dev);
- priv->tx_currdescnum = priv->rx_currdescnum = 0;
-}
-
-static int eth_mdio_read(struct eth_device *dev, u8 addr, u8 reg, u16 *val)
-{
- struct dw_eth_dev *priv = dev->priv;
- struct eth_mac_regs *mac_p = priv->mac_regs_p;
- u32 miiaddr;
- int timeout = CONFIG_MDIO_TIMEOUT;
-
- miiaddr = ((addr << MIIADDRSHIFT) & MII_ADDRMSK) | \
- ((reg << MIIREGSHIFT) & MII_REGMSK);
-
- writel(miiaddr | MII_CLKRANGE_150_250M | MII_BUSY, &mac_p->miiaddr);
-
- do {
- if (!(readl(&mac_p->miiaddr) & MII_BUSY)) {
- *val = readl(&mac_p->miidata);
- return 0;
- }
- udelay(1000);
- } while (timeout--);
-
- return -1;
-}
-
-static int eth_mdio_write(struct eth_device *dev, u8 addr, u8 reg, u16 val)
-{
- struct dw_eth_dev *priv = dev->priv;
- struct eth_mac_regs *mac_p = priv->mac_regs_p;
- u32 miiaddr;
- int ret = -1, timeout = CONFIG_MDIO_TIMEOUT;
- u16 value;
-
- writel(val, &mac_p->miidata);
- miiaddr = ((addr << MIIADDRSHIFT) & MII_ADDRMSK) | \
- ((reg << MIIREGSHIFT) & MII_REGMSK) | MII_WRITE;
-
- writel(miiaddr | MII_CLKRANGE_150_250M | MII_BUSY, &mac_p->miiaddr);
-
- do {
- if (!(readl(&mac_p->miiaddr) & MII_BUSY))
- ret = 0;
- udelay(1000);
- } while (timeout--);
-
- /* Needed as a fix for ST-Phy */
- eth_mdio_read(dev, addr, reg, &value);
-
- return ret;
-}
-
-#if defined(CONFIG_DW_SEARCH_PHY)
-static int find_phy(struct eth_device *dev)
-{
- int phy_addr = 0;
- u16 ctrl, oldctrl;
-
- do {
- eth_mdio_read(dev, phy_addr, MII_BMCR, &ctrl);
- oldctrl = ctrl & BMCR_ANENABLE;
-
- ctrl ^= BMCR_ANENABLE;
- eth_mdio_write(dev, phy_addr, MII_BMCR, ctrl);
- eth_mdio_read(dev, phy_addr, MII_BMCR, &ctrl);
- ctrl &= BMCR_ANENABLE;
-
- if (ctrl == oldctrl) {
- phy_addr++;
- } else {
- ctrl ^= BMCR_ANENABLE;
- eth_mdio_write(dev, phy_addr, MII_BMCR, ctrl);
-
- return phy_addr;
- }
- } while (phy_addr < 32);
-
- return -1;
-}
-#endif
-
-static int dw_reset_phy(struct eth_device *dev)
-{
- struct dw_eth_dev *priv = dev->priv;
- u16 ctrl;
- int timeout = CONFIG_PHYRESET_TIMEOUT;
- u32 phy_addr = priv->address;
-
- eth_mdio_write(dev, phy_addr, MII_BMCR, BMCR_RESET);
- do {
- eth_mdio_read(dev, phy_addr, MII_BMCR, &ctrl);
- if (!(ctrl & BMCR_RESET))
- break;
- udelay(1000);
- } while (timeout--);
-
- if (timeout < 0)
- return -1;
-
-#ifdef CONFIG_PHY_RESET_DELAY
- udelay(CONFIG_PHY_RESET_DELAY);
-#endif
- return 0;
-}
-
-static int configure_phy(struct eth_device *dev)