Index: sys/dev/cxgbe/adapter.h
===================================================================
--- sys/dev/cxgbe/adapter.h
+++ sys/dev/cxgbe/adapter.h
@@ -781,6 +781,8 @@
 		struct sge_rxq *rxq;
 		struct sge_nm_rxq *nm_rxq;
 	} __aligned(CACHE_LINE_SIZE) *irq;
+	int sge_gts_reg;
+	int sge_kdoorbell_reg;
 
 	bus_dma_tag_t dmat;	/* Parent DMA tag */
 
Index: sys/dev/cxgbe/iw_cxgbe/cq.c
===================================================================
--- sys/dev/cxgbe/iw_cxgbe/cq.c
+++ sys/dev/cxgbe/iw_cxgbe/cq.c
@@ -172,7 +172,7 @@
 
 	cq->gen = 1;
 	cq->gts = (void *)((unsigned long)rman_get_virtual(sc->regs_res) +
-	    MYPF_REG(SGE_PF_GTS));
+	    sc->sge_gts_reg);
 	cq->rdev = rdev;
 
 	if (user) {
Index: sys/dev/cxgbe/iw_cxgbe/qp.c
===================================================================
--- sys/dev/cxgbe/iw_cxgbe/qp.c
+++ sys/dev/cxgbe/iw_cxgbe/qp.c
@@ -182,9 +182,9 @@
 	pci_unmap_addr_set(&wq->rq, mapping, wq->rq.dma_addr);
 
 	wq->db = (void *)((unsigned long)rman_get_virtual(sc->regs_res) +
-	    MYPF_REG(SGE_PF_KDOORBELL));
+	    sc->sge_kdoorbell_reg);
 	wq->gts = (void *)((unsigned long)rman_get_virtual(rdev->adap->regs_res)
-			   + MYPF_REG(SGE_PF_GTS));
+			   + sc->sge_gts_reg);
 	if (user) {
 		wq->sq.udb = (u64)((char*)rman_get_virtual(rdev->adap->udbs_res) +
 						(wq->sq.qid << rdev->qpshift));
Index: sys/dev/cxgbe/t4_main.c
===================================================================
--- sys/dev/cxgbe/t4_main.c
+++ sys/dev/cxgbe/t4_main.c
@@ -710,6 +710,8 @@
 		sc->params.pci.mps = 128 << ((v & PCIEM_CTL_MAX_PAYLOAD) >> 5);
 	}
 
+	sc->sge_gts_reg = MYPF_REG(A_SGE_PF_GTS);
+	sc->sge_kdoorbell_reg = MYPF_REG(A_SGE_PF_KDOORBELL);
 	sc->traceq = -1;
 	mtx_init(&sc->ifp_lock, sc->ifp_lockname, 0, MTX_DEF);
 	snprintf(sc->ifp_lockname, sizeof(sc->ifp_lockname), "%s tracer",
Index: sys/dev/cxgbe/t4_netmap.c
===================================================================
--- sys/dev/cxgbe/t4_netmap.c
+++ sys/dev/cxgbe/t4_netmap.c
@@ -204,7 +204,7 @@
 		}
 	}
 
-	t4_write_reg(sc, MYPF_REG(A_SGE_PF_GTS),
+	t4_write_reg(sc, sc->sge_gts_reg,
 	    V_INGRESSQID(nm_rxq->iq_cntxt_id) |
 	    V_SEINTARM(V_QINTR_TIMER_IDX(holdoff_tmr_idx)));
 
@@ -364,7 +364,7 @@
 		MPASS((j & 7) == 0);
 		j /= 8;	/* driver pidx to hardware pidx */
 		wmb();
-		t4_write_reg(sc, MYPF_REG(A_SGE_PF_KDOORBELL),
+		t4_write_reg(sc, sc->sge_kdoorbell_reg,
 		    nm_rxq->fl_db_val | V_PIDX(j));
 
 		atomic_cmpset_int(&irq->nm_state, NM_OFF, NM_ON);
@@ -537,7 +537,7 @@
 		break;
 
 	case DOORBELL_KDB:
-		t4_write_reg(sc, MYPF_REG(A_SGE_PF_KDOORBELL),
+		t4_write_reg(sc, sc->sge_kdoorbell_reg,
 		    V_QID(nm_txq->cntxt_id) | V_PIDX(n));
 		break;
 	}
@@ -818,7 +818,7 @@
 			}
 			if (++dbinc == 8 && n >= 32) {
 				wmb();
-				t4_write_reg(sc, MYPF_REG(A_SGE_PF_KDOORBELL),
+				t4_write_reg(sc, sc->sge_kdoorbell_reg,
 				    nm_rxq->fl_db_val | V_PIDX(dbinc));
 				dbinc = 0;
 			}
@@ -827,7 +827,7 @@
 
 		if (dbinc > 0) {
 			wmb();
-			t4_write_reg(sc, MYPF_REG(A_SGE_PF_KDOORBELL),
+			t4_write_reg(sc, sc->sge_kdoorbell_reg,
 			    nm_rxq->fl_db_val | V_PIDX(dbinc));
 		}
 	}
@@ -981,14 +981,14 @@
 				fl_credits /= 8;
 				IDXINCR(nm_rxq->fl_pidx, fl_credits * 8,
 				    nm_rxq->fl_sidx);
-				t4_write_reg(sc, MYPF_REG(A_SGE_PF_KDOORBELL),
+				t4_write_reg(sc, sc->sge_kdoorbell_reg,
 				    nm_rxq->fl_db_val | V_PIDX(fl_credits));
 				fl_credits = fl_cidx & 7;
 			} else if (!black_hole) {
 				netmap_rx_irq(ifp, nm_rxq->nid, &work);
 				MPASS(work != 0);
 			}
-			t4_write_reg(sc, MYPF_REG(A_SGE_PF_GTS),
+			t4_write_reg(sc, sc->sge_gts_reg,
 			    V_CIDXINC(n) | V_INGRESSQID(nm_rxq->iq_cntxt_id) |
 			    V_SEINTARM(V_QINTR_TIMER_IDX(X_TIMERREG_UPDATE_CIDX)));
 			n = 0;
@@ -999,12 +999,12 @@
 	if (black_hole) {
 		fl_credits /= 8;
 		IDXINCR(nm_rxq->fl_pidx, fl_credits * 8, nm_rxq->fl_sidx);
-		t4_write_reg(sc, MYPF_REG(A_SGE_PF_KDOORBELL),
+		t4_write_reg(sc, sc->sge_kdoorbell_reg,
 		    nm_rxq->fl_db_val | V_PIDX(fl_credits));
 	} else
 		netmap_rx_irq(ifp, nm_rxq->nid, &work);
 
-	t4_write_reg(sc, MYPF_REG(A_SGE_PF_GTS), V_CIDXINC(n) |
+	t4_write_reg(sc, sc->sge_gts_reg, V_CIDXINC(n) |
 	    V_INGRESSQID((u32)nm_rxq->iq_cntxt_id) |
 	    V_SEINTARM(V_QINTR_TIMER_IDX(holdoff_tmr_idx)));
 }
Index: sys/dev/cxgbe/t4_sge.c
===================================================================
--- sys/dev/cxgbe/t4_sge.c
+++ sys/dev/cxgbe/t4_sge.c
@@ -1474,7 +1474,7 @@
 				d = &iq->desc[0];
 			}
 			if (__predict_false(++ndescs == limit)) {
-				t4_write_reg(sc, MYPF_REG(A_SGE_PF_GTS),
+				t4_write_reg(sc, sc->sge_gts_reg,
 				    V_CIDXINC(ndescs) |
 				    V_INGRESSQID(iq->cntxt_id) |
 				    V_SEINTARM(V_QINTR_TIMER_IDX(X_TIMERREG_UPDATE_CIDX)));
@@ -1529,7 +1529,7 @@
 	}
 #endif
 
-	t4_write_reg(sc, MYPF_REG(A_SGE_PF_GTS), V_CIDXINC(ndescs) |
+	t4_write_reg(sc, sc->sge_gts_reg, V_CIDXINC(ndescs) |
 	    V_INGRESSQID((u32)iq->cntxt_id) | V_SEINTARM(iq->intr_params));
 
 	if (iq->flags & IQ_HAS_FL) {
@@ -2793,7 +2793,7 @@
 
 	/* Enable IQ interrupts */
 	atomic_store_rel_int(&iq->state, IQS_IDLE);
-	t4_write_reg(sc, MYPF_REG(A_SGE_PF_GTS), V_SEINTARM(iq->intr_params) |
+	t4_write_reg(sc, sc->sge_gts_reg, V_SEINTARM(iq->intr_params) |
 	    V_INGRESSQID(iq->cntxt_id));
 
 	return (0);
@@ -3676,7 +3676,7 @@
 	if (fl->udb)
 		*fl->udb = htole32(v);
 	else
-		t4_write_reg(sc, MYPF_REG(A_SGE_PF_KDOORBELL), v);
+		t4_write_reg(sc, sc->sge_kdoorbell_reg, v);
 	IDXINCR(fl->dbidx, n, fl->sidx);
 }
 
@@ -4409,7 +4409,7 @@
 		break;
 
 	case DOORBELL_KDB:
-		t4_write_reg(sc, MYPF_REG(A_SGE_PF_KDOORBELL),
+		t4_write_reg(sc, sc->sge_kdoorbell_reg,
 		    V_QID(eq->cntxt_id) | V_PIDX(n));
 		break;
 	}