diff --git a/sys/arm/broadcom/bcm2835/bcm2835_firmware.c b/sys/arm/broadcom/bcm2835/bcm2835_firmware.c
index dcc23fe1cd6..44201ec80f7 100644
--- a/sys/arm/broadcom/bcm2835/bcm2835_firmware.c
+++ b/sys/arm/broadcom/bcm2835/bcm2835_firmware.c
@@ -177,5 +177,6 @@ static driver_t bcm2835_firmware_driver = {
 	sizeof(struct bcm2835_firmware_softc),
 };
 
-DRIVER_MODULE(bcm2835_firmware, simplebus, bcm2835_firmware_driver,
-    bcm2835_firmware_devclass, 0, 0);
+EARLY_DRIVER_MODULE(bcm2835_firmware, simplebus, bcm2835_firmware_driver,
+    bcm2835_firmware_devclass, 0, 0, BUS_PASS_INTERRUPT + BUS_PASS_ORDER_LAST);
+MODULE_DEPEND(bcm2835_firmware, mbox, 1, 1, 1);