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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>
master
Shannon Zhao 2015-12-17 13:37:14 +00:00 committed by Peter Maydell
parent 37d0e98006
commit c1a158b7ed
1 changed files with 14 additions and 0 deletions
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14
hw/arm/virt-acpi-build.c
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@ -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);
}