Index: head/sys/dev/cadence/if_cgem.c
===================================================================
--- head/sys/dev/cadence/if_cgem.c
+++ head/sys/dev/cadence/if_cgem.c
@@ -98,6 +98,12 @@
 #define CGEM_CKSUM_ASSIST	(CSUM_IP | CSUM_TCP | CSUM_UDP | \
 				 CSUM_TCP_IPV6 | CSUM_UDP_IPV6)
 
+static struct ofw_compat_data compat_data[] = {
+	{ "cadence,gem",	1 },
+	{ "cdns,macb",		1 },
+	{ NULL,			0 },
+};
+
 struct cgem_softc {
 	if_t			ifp;
 	struct mtx		sc_mtx;
@@ -1635,7 +1641,7 @@
 	if (!ofw_bus_status_okay(dev))
 		return (ENXIO);
 
-	if (!ofw_bus_is_compatible(dev, "cadence,gem"))
+	if (ofw_bus_search_compatible(dev, compat_data)->ocd_data == 0)
 		return (ENXIO);
 
 	device_set_desc(dev, "Cadence CGEM Gigabit Ethernet Interface");