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| 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 | aeb1a36d65deaa3942b76ca0091cbd6c1f046737 (patch) | |
| tree | b2d390f9002a2157e03d7beb1e4d0318c4effaf2 /hw/arm/virt-acpi-build.c | |
| parent | b0a3721e4403dbc88b77d3735cfa4bcb32ca1789 (diff) | |
| download | focaccia-qemu-aeb1a36d65deaa3942b76ca0091cbd6c1f046737.tar.gz focaccia-qemu-aeb1a36d65deaa3942b76ca0091cbd6c1f046737.zip | |
ARM: ACPI: Add GPIO controller in ACPI DSDT table
Add GPIO controller in ACPI DSDT table. It can be used for gpio event. 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: 1449804086-3464-5-git-send-email-zhaoshenglong@huawei.com Reviewed-by: Igor Mammedov <imammedo@redhat.com> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'hw/arm/virt-acpi-build.c')
| -rw-r--r-- | hw/arm/virt-acpi-build.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c index 9123649e66..c9d67ccbd3 100644 --- a/hw/arm/virt-acpi-build.c +++ b/hw/arm/virt-acpi-build.c @@ -324,6 +324,23 @@ static void acpi_dsdt_add_pci(Aml *scope, const MemMapEntry *memmap, aml_append(scope, dev); } +static void acpi_dsdt_add_gpio(Aml *scope, const MemMapEntry *gpio_memmap, + uint32_t gpio_irq) +{ + Aml *dev = aml_device("GPO0"); + aml_append(dev, aml_name_decl("_HID", aml_string("ARMH0061"))); + aml_append(dev, aml_name_decl("_ADR", aml_int(0))); + aml_append(dev, aml_name_decl("_UID", aml_int(0))); + + Aml *crs = aml_resource_template(); + aml_append(crs, aml_memory32_fixed(gpio_memmap->base, gpio_memmap->size, + AML_READ_WRITE)); + 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_append(scope, dev); +} + /* RSDP */ static GArray * build_rsdp(GArray *rsdp_table, GArray *linker, unsigned rsdt) @@ -540,6 +557,8 @@ build_dsdt(GArray *table_data, GArray *linker, VirtGuestInfo *guest_info) (irqmap[VIRT_MMIO] + ARM_SPI_BASE), NUM_VIRTIO_TRANSPORTS); acpi_dsdt_add_pci(scope, memmap, (irqmap[VIRT_PCIE] + ARM_SPI_BASE), guest_info->use_highmem); + acpi_dsdt_add_gpio(scope, &memmap[VIRT_GPIO], + (irqmap[VIRT_GPIO] + ARM_SPI_BASE)); aml_append(dsdt, scope); |