XAE_RD4
device_printf(sc->dev, "Identification: %x\n", XAE_RD4(sc, XAE_IDENT));
reg = XAE_RD4(sc, XAE_FFC) & 0xffffff00;
reg = XAE_RD4(sc, XAE_FFC);
reg = XAE_RD4(sc, XAE_FFC);
reg = XAE_RD4(sc, XAE_TC);
reg = XAE_RD4(sc, XAE_RCW1);
reg = XAE_RD4(sc, XAE_MDIO_CTRL);
rv = XAE_RD4(sc, XAE_MDIO_READ);