ICU_INT_GROUP_SHIFT
group = HREAD4(sc, ICU_INT_CFG(i)) >> ICU_INT_GROUP_SHIFT;
(sn->sn_group << ICU_INT_GROUP_SHIFT) | (edge ? ICU_INT_EDGE : 0));
ICU_INT_ENABLE | (sn->sn_group << ICU_INT_GROUP_SHIFT) |
ICU_INT_ENABLE | (sn->sn_group << ICU_INT_GROUP_SHIFT) |