diff options
| author | Igor Mammedov <imammedo@redhat.com> | 2015-12-28 18:02:43 +0100 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2016-01-09 23:20:18 +0200 |
| commit | b616ec4d6f4816671dd712d002aa21bf12442fc5 (patch) | |
| tree | 59d50d27fd6b7f65252adea2c656ed40fa97d4ba /hw/i386/acpi-build.c | |
| parent | 196e2137831b58e1267313400b5947258d5db0ff (diff) | |
pc: acpi: piix4: move remaining PCI hotplug bits into SSDT
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'hw/i386/acpi-build.c')
| -rw-r--r-- | hw/i386/acpi-build.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c index 5dd25e118b..f929bb8278 100644 --- a/hw/i386/acpi-build.c +++ b/hw/i386/acpi-build.c @@ -1637,6 +1637,48 @@ static void build_piix4_isa_bridge(Aml *table) aml_append(table, scope); } +static void build_piix4_pci_hotplug(Aml *table) +{ + Aml *scope; + Aml *field; + Aml *method; + + scope = aml_scope("_SB.PCI0"); + + aml_append(scope, + aml_operation_region("PCST", AML_SYSTEM_IO, 0xae00, 0x08)); + field = aml_field("PCST", AML_DWORD_ACC, AML_NOLOCK, AML_WRITE_AS_ZEROS); + aml_append(field, aml_named_field("PCIU", 32)); + aml_append(field, aml_named_field("PCID", 32)); + aml_append(scope, field); + + aml_append(scope, + aml_operation_region("SEJ", AML_SYSTEM_IO, 0xae08, 0x04)); + field = aml_field("SEJ", AML_DWORD_ACC, AML_NOLOCK, AML_WRITE_AS_ZEROS); + aml_append(field, aml_named_field("B0EJ", 32)); + aml_append(scope, field); + + aml_append(scope, + aml_operation_region("BNMR", AML_SYSTEM_IO, 0xae10, 0x04)); + field = aml_field("BNMR", AML_DWORD_ACC, AML_NOLOCK, AML_WRITE_AS_ZEROS); + aml_append(field, aml_named_field("BNUM", 32)); + aml_append(scope, field); + + aml_append(scope, aml_mutex("BLCK", 0)); + + method = aml_method("PCEJ", 2, AML_NOTSERIALIZED); + aml_append(method, aml_acquire(aml_name("BLCK"), 0xFFFF)); + aml_append(method, aml_store(aml_arg(0), aml_name("BNUM"))); + aml_append(method, + aml_store(aml_shiftleft(aml_int(1), aml_arg(1)), aml_name("B0EJ"))); + aml_append(method, aml_release(aml_name("BLCK"))); + aml_append(method, aml_return(aml_int(0))); + aml_append(scope, method); + + aml_append(table, scope); +} + + static void build_ssdt(GArray *table_data, GArray *linker, AcpiCpuInfo *cpu, AcpiPmInfo *pm, AcpiMiscInfo *misc, @@ -1663,6 +1705,7 @@ build_ssdt(GArray *table_data, GArray *linker, build_piix4_pm(ssdt); build_piix4_isa_bridge(ssdt); build_isa_devices_aml(ssdt); + build_piix4_pci_hotplug(ssdt); build_piix4_pci0_int(ssdt); } else { build_hpet_aml(ssdt); |