diff options
| author | Shannon Zhao <shannon.zhao@linaro.org> | 2015-12-17 13:37:14 +0000 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2015-12-17 13:37:14 +0000 |
| commit | c1a158b7eda92babae979c5d701b7acaaa2d0dd3 (patch) | |
| tree | 6e40ce464b7521786610242ab311c040cb074682 /hw | |
| parent | 37d0e980060488b2c76a19f75c0f3b8ebbaecbf6 (diff) | |
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.c | 14 |
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); } |