PHYPARAM1_PCS_TXDEEMPH
reg &= ~PHYPARAM1_PCS_TXDEEMPH;
reg |= FIELD_PREP(PHYPARAM1_PCS_TXDEEMPH, PHYPARAM1_PCS_TXDEEMPH_VAL);
reg &= ~PHYPARAM1_PCS_TXDEEMPH;
reg |= FIELD_PREP(PHYPARAM1_PCS_TXDEEMPH, PHYPARAM1_PCS_TXDEEMPH_VAL);