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ARM: ACPI: Add power button device in ACPI DSDT table

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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>
This commit is contained in:
Shannon Zhao 2015-12-17 13:37:14 +00:00 committed by Peter Maydell
parent aeb1a36d65
commit ac6aa59a21
1 changed files with 11 additions and 0 deletions
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11
hw/arm/virt-acpi-build.c
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@ -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);