Index: sys/modules/Makefile
===================================================================
--- sys/modules/Makefile
+++ sys/modules/Makefile
@@ -147,6 +147,7 @@
 	${_ice_ddp} \
 	${_ida} \
 	if_bridge \
+	${_if_cgem} \
 	if_disc \
 	if_edsc \
 	${_if_enc} \
@@ -807,6 +808,11 @@
 _malo=	malo
 .endif
 
+.if ${MACHINE_ARCH} == "armv7" || ${MACHINE_CPUARCH} == "aarch64" || \
+	${MACHINE_CPUARCH} == "riscv"
+_if_cgem=	if_cgem
+.endif
+
 SUBDIR+=${MODULES_EXTRA}
 
 .for reject in ${WITHOUT_MODULES}
Index: sys/modules/if_cgem/Makefile
===================================================================
--- /dev/null
+++ sys/modules/if_cgem/Makefile
@@ -0,0 +1,7 @@
+.PATH: ${SRCTOP}/sys/dev/cadence
+
+KMOD=	if_cgem
+SRCS=	if_cgem.c
+SRCS+=	bus_if.h device_if.h miibus_if.h ofw_bus_if.h
+
+.include <bsd.kmod.mk>