diff --git a/sys/dev/pcf/envctrl.c b/sys/dev/pcf/envctrl.c
index 7b5f0649a6d8..25a163c77902 100644
--- a/sys/dev/pcf/envctrl.c
+++ b/sys/dev/pcf/envctrl.c
@@ -110,7 +110,7 @@ envctrl_attach(device_t dev)
 	bzero(sc, sizeof(struct pcf_softc));
 
 	/* IO port is mandatory */
-	sc->res_ioport = bus_alloc_resource_any(dev, SYS_RES_IOPORT,
+	sc->res_ioport = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
 						&sc->rid_ioport, RF_ACTIVE);
 	if (sc->res_ioport == 0) {
 		device_printf(dev, "cannot reserve I/O port range\n");
@@ -157,9 +157,9 @@ envctrl_attach(device_t dev)
 				     sc->res_irq);
 	}
 	if (sc->res_ioport != 0) {
-		bus_deactivate_resource(dev, SYS_RES_IOPORT, sc->rid_ioport,
+		bus_deactivate_resource(dev, SYS_RES_MEMORY, sc->rid_ioport,
 					sc->res_ioport);
-		bus_release_resource(dev, SYS_RES_IOPORT, sc->rid_ioport,
+		bus_release_resource(dev, SYS_RES_MEMORY, sc->rid_ioport,
 				     sc->res_ioport);
 	}
 	return (rv);
@@ -186,8 +186,8 @@ envctrl_detach(device_t dev)
 		bus_release_resource(dev, SYS_RES_IRQ, sc->rid_irq, sc->res_irq);
 	}
 
-	bus_deactivate_resource(dev, SYS_RES_IOPORT, sc->rid_ioport, sc->res_ioport);
-	bus_release_resource(dev, SYS_RES_IOPORT, sc->rid_ioport, sc->res_ioport);
+	bus_deactivate_resource(dev, SYS_RES_MEMORY, sc->rid_ioport, sc->res_ioport);
+	bus_release_resource(dev, SYS_RES_MEMORY, sc->rid_ioport, sc->res_ioport);
 
 	return (0);
 }
diff --git a/sys/dev/pcf/pcf_ebus.c b/sys/dev/pcf/pcf_ebus.c
index b23c8dd5b5b8..3ea2051b9ff5 100644
--- a/sys/dev/pcf/pcf_ebus.c
+++ b/sys/dev/pcf/pcf_ebus.c
@@ -151,7 +151,7 @@ pcf_ebus_attach(device_t dev)
 	}
 
 	/* IO port is mandatory */
-	sc->res_ioport = bus_alloc_resource_any(dev, SYS_RES_IOPORT,
+	sc->res_ioport = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
 	    &sc->rid_ioport, RF_ACTIVE);
 	if (sc->res_ioport == 0) {
 		device_printf(dev, "cannot reserve I/O port range\n");
@@ -218,9 +218,9 @@ pcf_ebus_attach(device_t dev)
 		    sc->res_irq);
 	}
 	if (sc->res_ioport != 0) {
-		bus_deactivate_resource(dev, SYS_RES_IOPORT, sc->rid_ioport,
+		bus_deactivate_resource(dev, SYS_RES_MEMORY, sc->rid_ioport,
 		    sc->res_ioport);
-		bus_release_resource(dev, SYS_RES_IOPORT, sc->rid_ioport,
+		bus_release_resource(dev, SYS_RES_MEMORY, sc->rid_ioport,
 		    sc->res_ioport);
 	}
 	return (rv);
@@ -249,9 +249,9 @@ pcf_ebus_detach(device_t dev)
 		    sc->res_irq);
 	}
 
-	bus_deactivate_resource(dev, SYS_RES_IOPORT, sc->rid_ioport,
+	bus_deactivate_resource(dev, SYS_RES_MEMORY, sc->rid_ioport,
 	    sc->res_ioport);
-	bus_release_resource(dev, SYS_RES_IOPORT, sc->rid_ioport,
+	bus_release_resource(dev, SYS_RES_MEMORY, sc->rid_ioport,
 	    sc->res_ioport);
 
 	return (0);
diff --git a/sys/dev/puc/puc_ebus.c b/sys/dev/puc/puc_ebus.c
index 12ac8766c8b8..1e6696ce0da9 100644
--- a/sys/dev/puc/puc_ebus.c
+++ b/sys/dev/puc/puc_ebus.c
@@ -71,7 +71,7 @@ puc_ebus_attach(device_t dev)
 		dd.ports[i].bar = 0;
 		dd.ports[i].offset = 0x40 * i;
 		dd.ports[i].serialfreq = 0;
-		dd.ports[i].flags = 0;
+		dd.ports[i].flags = PUC_FLAGS_MEMORY;
 	}
 	return (puc_attach(dev, &dd));
 }
diff --git a/sys/dev/sab/sab.c b/sys/dev/sab/sab.c
index 230fde55bcf5..a41d3282f9a4 100644
--- a/sys/dev/sab/sab.c
+++ b/sys/dev/sab/sab.c
@@ -247,7 +247,7 @@ sab_probe(device_t dev)
 	if (strcmp(name, "se") != 0 && strcmp(name, "serial") != 0)
 		return (ENXIO);
 	rid = 0;
-	res = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid,
+	res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid,
 	    RF_ACTIVE);
 	if (res == NULL)
 		return (ENXIO);
@@ -268,7 +268,7 @@ sab_probe(device_t dev)
 		device_set_desc(dev, "Siemens SAB 82532 ???");
 		break;
 	}
-	bus_release_resource(dev, SYS_RES_IOPORT, rid, res);
+	bus_release_resource(dev, SYS_RES_MEMORY, rid, res);
 	return (0);
 }
 
@@ -287,7 +287,7 @@ sab_attach(device_t dev)
 	irqrid = 0;
 	irqres = NULL;
 	sc = device_get_softc(dev);
-	iores = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &iorid,
+	iores = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &iorid,
 	    RF_ACTIVE);
 	if (iores == NULL)
 		goto error;
@@ -350,7 +350,7 @@ sab_detach(device_t dev)
 	sc = device_get_softc(dev);
 	bus_generic_detach(dev);
 	if (sc->sc_iores != NULL)
-		bus_release_resource(dev, SYS_RES_IOPORT, sc->sc_iorid,
+		bus_release_resource(dev, SYS_RES_MEMORY, sc->sc_iorid,
 		    sc->sc_iores);
 	return (0);
 }