LREAD4
LWRITE4((sc), (port), (reg), LREAD4((sc), (port), (reg)) | (bits))
LWRITE4((sc), (port), (reg), LREAD4((sc), (port), (reg)) & ~(bits))
stat = LREAD4(sc, port, PCIE_PHY_LANE_CONF);
stat = LREAD4(sc, port, PCIE_PHY_LANE_CONF);
stat = LREAD4(sc, port, PCIE_PHY_LANE_CONF);
stat = LREAD4(sc, port, PCIE_PHY_LANE_CONF);