+
+/**
+ * KSZ9021 - KSZ9031 common
+ */
+
+#define MII_KSZ90xx_PHY_CTL 0x1f
+#define MIIM_KSZ90xx_PHYCTL_1000 (1 << 6)
+#define MIIM_KSZ90xx_PHYCTL_100 (1 << 5)
+#define MIIM_KSZ90xx_PHYCTL_10 (1 << 4)
+#define MIIM_KSZ90xx_PHYCTL_DUPLEX (1 << 3)
+
+static int ksz90xx_startup(struct phy_device *phydev)
+{
+ unsigned phy_ctl;
+ genphy_update_link(phydev);
+ phy_ctl = phy_read(phydev, MDIO_DEVAD_NONE, MII_KSZ90xx_PHY_CTL);
+
+ if (phy_ctl & MIIM_KSZ90xx_PHYCTL_DUPLEX)
+ phydev->duplex = DUPLEX_FULL;
+ else
+ phydev->duplex = DUPLEX_HALF;
+
+ if (phy_ctl & MIIM_KSZ90xx_PHYCTL_1000)
+ phydev->speed = SPEED_1000;
+ else if (phy_ctl & MIIM_KSZ90xx_PHYCTL_100)
+ phydev->speed = SPEED_100;
+ else if (phy_ctl & MIIM_KSZ90xx_PHYCTL_10)
+ phydev->speed = SPEED_10;
+ return 0;
+}