SMSC_COE_CTRL_RX_EN
val |= (SMSC_COE_CTRL_RX_EN | SMSC_COE_CTRL_RX_MODE);
val &= ~(SMSC_COE_CTRL_RX_EN | SMSC_COE_CTRL_RX_MODE);
if (sc->sc_coe_ctrl & SMSC_COE_CTRL_RX_EN) {