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 | ac6aa59a21c823b1e2c65ce3372bd01e146b743d (patch) | |
| tree | 5666c2cb8b98c808a53476e79b42671842c38a8f /hw/arm | |
| parent | aeb1a36d65deaa3942b76ca0091cbd6c1f046737 (diff) | |
ARM: ACPI: Add power button device in ACPI DSDT table
Add power button device in ACPI DSDT table.
Signed-off-by: Shannon Zhao <zhaoshenglong@huawei.com>
Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org>
Reviewed-by: Wei Huang <wei@redhat.com>
Tested-by: Wei Huang <wei@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Message-id: 1449804086-3464-6-git-send-email-zhaoshenglong@huawei.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'hw/arm')
| -rw-r--r-- | hw/arm/virt-acpi-build.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c index c9d67ccbd3..1a6ac6ff37 100644 --- a/hw/arm/virt-acpi-build.c +++ b/hw/arm/virt-acpi-build.c @@ -43,6 +43,7 @@ #include "hw/pci/pci.h" #define ARM_SPI_BASE 32 +#define ACPI_POWER_BUTTON_DEVICE "PWRB" typedef struct VirtAcpiCpuInfo { DECLARE_BITMAP(found_cpus, VIRT_ACPI_CPU_ID_LIMIT); @@ -341,6 +342,15 @@ static void acpi_dsdt_add_gpio(Aml *scope, const MemMapEntry *gpio_memmap, aml_append(scope, dev); } +static void acpi_dsdt_add_power_button(Aml *scope) +{ + Aml *dev = aml_device(ACPI_POWER_BUTTON_DEVICE); + aml_append(dev, aml_name_decl("_HID", aml_string("PNP0C0C"))); + aml_append(dev, aml_name_decl("_ADR", aml_int(0))); + aml_append(dev, aml_name_decl("_UID", aml_int(0))); + aml_append(scope, dev); +} + /* RSDP */ static GArray * build_rsdp(GArray *rsdp_table, GArray *linker, unsigned rsdt) @@ -559,6 +569,7 @@ build_dsdt(GArray *table_data, GArray *linker, VirtGuestInfo *guest_info) guest_info->use_highmem); acpi_dsdt_add_gpio(scope, &memmap[VIRT_GPIO], (irqmap[VIRT_GPIO] + ARM_SPI_BASE)); + acpi_dsdt_add_power_button(scope); aml_append(dsdt, scope); |