QVA_QVIC
qv_ic_setvec(ua, QVA_QVIC, QV_DUART_VEC, ua->ua_cvec);
qv_ic_arm(ua, QVA_QVIC, QV_IC_ENA);
qv_ic_enable(ua, QVA_QVIC, QV_DUART_VEC, QV_IC_ENA);