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authorShameer Kolothum <shameerali.kolothum.thodi@huawei.com>2019-09-18 14:06:30 +0100
committerMichael S. Tsirkin <mst@redhat.com>2019-10-05 17:12:09 -0400
commit1962f31b86b6fbba41a87a667ef3f58cdac14f3b (patch)
tree4c135c1ea25544622e201ce2554829bca24855c3 /hw/acpi/generic_event_device.c
parentc345680cb46f240f62cf2356503d8783033c8180 (diff)
downloadfocaccia-qemu-1962f31b86b6fbba41a87a667ef3f58cdac14f3b.tar.gz
focaccia-qemu-1962f31b86b6fbba41a87a667ef3f58cdac14f3b.zip
hw/arm: Use GED for system_powerdown event
For machines 4.2 or higher with ACPI boot use GED for system_powerdown
event instead of GPIO. Guest boot with DT still uses GPIO.

Signed-off-by: Shameer Kolothum <shameerali.kolothum.thodi@huawei.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20190918130633.4872-9-shameerali.kolothum.thodi@huawei.com>
Acked-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'hw/acpi/generic_event_device.c')
-rw-r--r--hw/acpi/generic_event_device.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/hw/acpi/generic_event_device.c b/hw/acpi/generic_event_device.c
index b94500b08d..9cee90cc70 100644
--- a/hw/acpi/generic_event_device.c
+++ b/hw/acpi/generic_event_device.c
@@ -22,6 +22,7 @@
 
 static const uint32_t ged_supported_events[] = {
     ACPI_GED_MEM_HOTPLUG_EVT,
+    ACPI_GED_PWR_DOWN_EVT,
 };
 
 /*
@@ -104,6 +105,11 @@ void build_ged_aml(Aml *table, const char *name, HotplugHandler *hotplug_dev,
                 aml_append(if_ctx, aml_call0(MEMORY_DEVICES_CONTAINER "."
                                              MEMORY_SLOT_SCAN_METHOD));
                 break;
+            case ACPI_GED_PWR_DOWN_EVT:
+                aml_append(if_ctx,
+                           aml_notify(aml_name(ACPI_POWER_BUTTON_DEVICE),
+                                      aml_int(0x80)));
+                break;
             default:
                 /*
                  * Please make sure all the events in ged_supported_events[]
@@ -184,6 +190,8 @@ static void acpi_ged_send_event(AcpiDeviceIf *adev, AcpiEventStatusBits ev)
 
     if (ev & ACPI_MEMORY_HOTPLUG_STATUS) {
         sel = ACPI_GED_MEM_HOTPLUG_EVT;
+    } else if (ev & ACPI_POWER_DOWN_STATUS) {
+        sel = ACPI_GED_PWR_DOWN_EVT;
     } else {
         /* Unknown event. Return without generating interrupt. */
         warn_report("GED: Unsupported event %d. No irq injected", ev);