From: Shannon Zhao <shannon.z...@linaro.org>
Here GPIO pin 3 is used for Power Button, add _E03 in ACPI DSDT table.
Signed-off-by: Shannon Zhao <zhaoshengl...@huawei.com>
Signed-off-by: Shannon Zhao <shannon.z...@linaro.org>
Tested-by: Wei Huang <w...@redhat.com>
Message-id: 1449804086-3464-9-git-send-email-zhaoshengl...@huawei.com
Signed-off-by: Peter Maydell <peter.mayd...@linaro.org>
---
hw/arm/virt-acpi-build.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c
index e5dc2d5..1ffff62 100644
--- a/hw/arm/virt-acpi-build.c
+++ b/hw/arm/virt-acpi-build.c
@@ -339,6 +339,20 @@ static void acpi_dsdt_add_gpio(Aml *scope, const
MemMapEntry *gpio_memmap,
aml_append(crs, aml_interrupt(AML_CONSUMER, AML_LEVEL, AML_ACTIVE_HIGH,
AML_EXCLUSIVE, &gpio_irq, 1));
aml_append(dev, aml_name_decl("_CRS", crs));
+
+ Aml *aei = aml_resource_template();
+ /* Pin 3 for power button */
+ const uint32_t pin_list[1] = {3};
+ aml_append(aei, aml_gpio_int(AML_CONSUMER, AML_EDGE, AML_ACTIVE_HIGH,
+ AML_EXCLUSIVE, AML_PULL_UP, 0, pin_list, 1,
+ "GPO0", NULL, 0));
+ aml_append(dev, aml_name_decl("_AEI", aei));
+
+ /* _E03 is handle for power button */
+ Aml *method = aml_method("_E03", 0, AML_NOTSERIALIZED);
+ aml_append(method, aml_notify(aml_name(ACPI_POWER_BUTTON_DEVICE),
+ aml_int(0x80)));
+ aml_append(dev, method);
aml_append(scope, dev);
}
--
1.9.1
