[src/trunk]: src/sys/arch/arm/acpi Only attach the first ITS for now

[jmcneill <jmcneill%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/15bf3b7231cf
branches:  trunk
changeset: 968458:15bf3b7231cf
user:      jmcneill <jmcneill%NetBSD.org@localhost>
date:      Fri Jan 17 16:58:57 2020 +0000

description:
Only attach the first ITS for now

diffstat:

 sys/arch/arm/acpi/gicv3_acpi.c |  13 +++++++++----
 1 files changed, 9 insertions(+), 4 deletions(-)

diffs (42 lines):

diff -r 4a855b3369c5 -r 15bf3b7231cf sys/arch/arm/acpi/gicv3_acpi.c
--- a/sys/arch/arm/acpi/gicv3_acpi.c    Fri Jan 17 16:50:51 2020 +0000
+++ b/sys/arch/arm/acpi/gicv3_acpi.c    Fri Jan 17 16:58:57 2020 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: gicv3_acpi.c,v 1.5 2019/10/14 11:00:13 jmcneill Exp $ */
+/* $NetBSD: gicv3_acpi.c,v 1.6 2020/01/17 16:58:57 jmcneill Exp $ */
 
 /*-
  * Copyright (c) 2018 The NetBSD Foundation, Inc.
@@ -34,7 +34,7 @@
 #define        _INTR_PRIVATE
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: gicv3_acpi.c,v 1.5 2019/10/14 11:00:13 jmcneill Exp $");
+__KERNEL_RCSID(0, "$NetBSD: gicv3_acpi.c,v 1.6 2020/01/17 16:58:57 jmcneill Exp $");
 
 #include <sys/param.h>
 #include <sys/bus.h>
@@ -288,6 +288,7 @@
 static ACPI_STATUS
 gicv3_acpi_map_gits(ACPI_SUBTABLE_HEADER *hdrp, void *aux)
 {
+       static bool its_attached;
        struct gicv3_acpi_softc * const sc = aux;
        ACPI_MADT_GENERIC_TRANSLATOR *gits;
        bus_space_handle_t bsh;
@@ -303,9 +304,13 @@
                return AE_OK;
        }
 
-       aprint_normal_dev(sc->sc_gic.sc_dev, "ITS #%#x at 0x%" PRIx64 "\n", gits->TranslationId, gits->BaseAddress);
+       aprint_normal_dev(sc->sc_gic.sc_dev, "ITS #%d at 0x%" PRIx64 "%s\n",
+           gits->TranslationId, gits->BaseAddress, its_attached ? " (disabled)" : "");
 
-       gicv3_its_init(&sc->sc_gic, bsh, gits->BaseAddress, gits->TranslationId);
+       if (its_attached == false) {
+               gicv3_its_init(&sc->sc_gic, bsh, gits->BaseAddress, gits->TranslationId);
+               its_attached = true;
+       }
 
        return AE_OK;
 }