diff options
Diffstat (limited to 'hw/tpm/tpm_tis_isa.c')
| -rw-r--r-- | hw/tpm/tpm_tis_isa.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/hw/tpm/tpm_tis_isa.c b/hw/tpm/tpm_tis_isa.c index 3477afd735..91e3792248 100644 --- a/hw/tpm/tpm_tis_isa.c +++ b/hw/tpm/tpm_tis_isa.c @@ -30,6 +30,7 @@ #include "tpm_prop.h" #include "tpm_tis.h" #include "qom/object.h" +#include "hw/acpi/acpi_aml_interface.h" struct TPMStateISA { /*< private >*/ @@ -138,10 +139,39 @@ static void tpm_tis_isa_realizefn(DeviceState *dev, Error **errp) } } +static void build_tpm_tis_isa_aml(AcpiDevAmlIf *adev, Aml *scope) +{ + Aml *dev, *crs; + TPMStateISA *isadev = TPM_TIS_ISA(adev); + TPMIf *ti = TPM_IF(isadev); + + dev = aml_device("TPM"); + if (tpm_tis_isa_get_tpm_version(ti) == TPM_VERSION_2_0) { + aml_append(dev, aml_name_decl("_HID", aml_string("MSFT0101"))); + aml_append(dev, aml_name_decl("_STR", aml_string("TPM 2.0 Device"))); + } else { + aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0C31"))); + } + aml_append(dev, aml_name_decl("_UID", aml_int(1))); + aml_append(dev, aml_name_decl("_STA", aml_int(0xF))); + crs = aml_resource_template(); + aml_append(crs, aml_memory32_fixed(TPM_TIS_ADDR_BASE, TPM_TIS_ADDR_SIZE, + AML_READ_WRITE)); + /* + * FIXME: TPM_TIS_IRQ=5 conflicts with PNP0C0F irqs, + * fix default TPM_TIS_IRQ value there to use some unused IRQ + */ + /* aml_append(crs, aml_irq_no_flags(isadev->state.irq_num)); */ + aml_append(dev, aml_name_decl("_CRS", crs)); + tpm_build_ppi_acpi(ti, dev); + aml_append(scope, dev); +} + static void tpm_tis_isa_class_init(ObjectClass *klass, void *data) { DeviceClass *dc = DEVICE_CLASS(klass); TPMIfClass *tc = TPM_IF_CLASS(klass); + AcpiDevAmlIfClass *adevc = ACPI_DEV_AML_IF_CLASS(klass); device_class_set_props(dc, tpm_tis_isa_properties); dc->vmsd = &vmstate_tpm_tis_isa; @@ -151,6 +181,7 @@ static void tpm_tis_isa_class_init(ObjectClass *klass, void *data) tc->request_completed = tpm_tis_isa_request_completed; tc->get_version = tpm_tis_isa_get_tpm_version; set_bit(DEVICE_CATEGORY_MISC, dc->categories); + adevc->build_dev_aml = build_tpm_tis_isa_aml; } static const TypeInfo tpm_tis_isa_info = { @@ -161,6 +192,7 @@ static const TypeInfo tpm_tis_isa_info = { .class_init = tpm_tis_isa_class_init, .interfaces = (InterfaceInfo[]) { { TYPE_TPM_IF }, + { TYPE_ACPI_DEV_AML_IF }, { } } }; |