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authorShannon Zhao <shannon.zhao@linaro.org>2015-12-17 13:37:14 +0000
committerPeter Maydell <peter.maydell@linaro.org>2015-12-17 13:37:14 +0000
commitc1a158b7eda92babae979c5d701b7acaaa2d0dd3 (patch)
tree6e40ce464b7521786610242ab311c040cb074682 /hw
parent37d0e980060488b2c76a19f75c0f3b8ebbaecbf6 (diff)
downloadqemu-arm-c1a158b7eda92babae979c5d701b7acaaa2d0dd3.tar.gz
ARM: ACPI: Add _E03 for Power Button
Here GPIO pin 3 is used for Power Button, add _E03 in ACPI DSDT table. Signed-off-by: Shannon Zhao <zhaoshenglong@huawei.com> Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org> Tested-by: Wei Huang <wei@redhat.com> Message-id: 1449804086-3464-9-git-send-email-zhaoshenglong@huawei.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'hw')
-rw-r--r--hw/arm/virt-acpi-build.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c
index 1a6ac6ff37..32ec19e884 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);
}