++
++static int bcm54612e_config_init(struct phy_device *phydev)
++{
++ /* Clear TX internal delay unless requested. */
++ if ((phydev->interface != PHY_INTERFACE_MODE_RGMII_ID) &&
++ (phydev->interface != PHY_INTERFACE_MODE_RGMII_TXID)) {
++ /* Disable TXD to GTXCLK clock delay (default set) */
++ /* Bit 9 is the only field in shadow register 00011 */
++ bcm_phy_write_shadow(phydev, 0x03, 0);
++ }
++
++ /* Clear RX internal delay unless requested. */
++ if ((phydev->interface != PHY_INTERFACE_MODE_RGMII_ID) &&
++ (phydev->interface != PHY_INTERFACE_MODE_RGMII_RXID)) {
++ u16 reg;
++
++ reg = bcm54xx_auxctl_read(phydev,
++ MII_BCM54XX_AUXCTL_SHDWSEL_MISC);
++ /* Disable RXD to RXC delay (default set) */
++ reg &= ~MII_BCM54XX_AUXCTL_SHDWSEL_MISC_RGMII_SKEW_EN;
++ /* Clear shadow selector field */
++ reg &= ~MII_BCM54XX_AUXCTL_SHDWSEL_MASK;
++ bcm54xx_auxctl_write(phydev, MII_BCM54XX_AUXCTL_SHDWSEL_MISC,
++ MII_BCM54XX_AUXCTL_MISC_WREN | reg);
++ }
++
++ return 0;
++}