Disable mailbox interrupts on all cores upon attach instead of enabling the

mailbox 0 interrupt on all cores.  Seems to make GENERIC.MP work on the rpi3.

diff --git a/sys/arch/arm64/dev/bcm2836_intr.c b/sys/arch/arm64/dev/bcm2836_intr.c
index c227596..27e4592 100644 (file)
--- a/sys/arch/arm64/dev/bcm2836_intr.c
+++ b/sys/arch/arm64/dev/bcm2836_intr.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: bcm2836_intr.c,v 1.6 2018/02/01 07:41:33 deraadt Exp $ */
+/* $OpenBSD: bcm2836_intr.c,v 1.7 2018/02/23 21:47:08 kettenis Exp $ */
 /*
  * Copyright (c) 2007,2009 Dale Rahn <drahn@openbsd.org>
  * Copyright (c) 2015 Patrick Wildt <patrick@blueri.se>
@@ -201,7 +201,7 @@ bcm_intc_attach(struct device *parent, struct device *self, void *aux)
                    ARM_LOCAL_INT_TIMER(i), 0);
        for (i = 0; i < 4; i++)
                bus_space_write_4(sc->sc_iot, sc->sc_lioh,
-                   ARM_LOCAL_INT_MAILBOX(i), 1);
+                   ARM_LOCAL_INT_MAILBOX(i), 0);
 
        for (i = 0; i < INTC_NIRQ; i++) {
                TAILQ_INIT(&sc->sc_bcm_intc_handler[i].is_list);