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hw/arm: Use GED for system_powerdown event

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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>
This commit is contained in:
Shameer Kolothum 2019-09-18 14:06:30 +01:00 • committed by Michael S. Tsirkin
parent c345680cb4
commit 1962f31b86
5 changed files with 27 additions and 9 deletions
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18
hw/arm/virt.c
View file

@ -536,10 +536,10 @@ static inline DeviceState *create_acpi_ged(VirtMachineState *vms, qemu_irq *pic)
DeviceState *dev;
MachineState *ms = MACHINE(vms);
int irq = vms->irqmap[VIRT_ACPI_GED];
uint32_t event = 0;
uint32_t event = ACPI_GED_PWR_DOWN_EVT;
if (ms->ram_slots) {
event = ACPI_GED_MEM_HOTPLUG_EVT;
event |= ACPI_GED_MEM_HOTPLUG_EVT;
}
dev = qdev_create(NULL, TYPE_ACPI_GED);
@ -793,8 +793,14 @@ static void create_rtc(const VirtMachineState *vms, qemu_irq *pic)
static DeviceState *gpio_key_dev;
static void virt_powerdown_req(Notifier *n, void *opaque)
{
/* use gpio Pin 3 for power button event */
qemu_set_irq(qdev_get_gpio_in(gpio_key_dev, 0), 1);
VirtMachineState *s = container_of(n, VirtMachineState, powerdown_notifier);
if (s->acpi_dev) {
acpi_send_event(s->acpi_dev, ACPI_POWER_DOWN_STATUS);
} else {
/* use gpio Pin 3 for power button event */
qemu_set_irq(qdev_get_gpio_in(gpio_key_dev, 0), 1);
}
}
static void create_gpio(const VirtMachineState *vms, qemu_irq *pic)
@ -1723,10 +1729,10 @@ static void machvirt_init(MachineState *machine)
create_pcie(vms, pic);
create_gpio(vms, pic);
if (has_ged && aarch64 && firmware_loaded && acpi_enabled) {
vms->acpi_dev = create_acpi_ged(vms, pic);
} else {
create_gpio(vms, pic);
}
/* connect powerdown request */