diff options
| -rw-r--r-- | hw/loongarch/acpi-build.c | 51 | ||||
| -rw-r--r-- | hw/loongarch/virt.c | 4 |
2 files changed, 54 insertions, 1 deletions
diff --git a/hw/loongarch/acpi-build.c b/hw/loongarch/acpi-build.c index 378a6d9..68dfb9f 100644 --- a/hw/loongarch/acpi-build.c +++ b/hw/loongarch/acpi-build.c @@ -31,6 +31,9 @@ #include "hw/acpi/generic_event_device.h" #include "hw/pci-host/gpex.h" +#include "sysemu/tpm.h" +#include "hw/platform-bus.h" +#include "hw/acpi/aml-build.h" #define ACPI_BUILD_ALIGN_SIZE 0x1000 #define ACPI_BUILD_TABLE_SIZE 0x20000 @@ -275,6 +278,41 @@ static void build_pci_device_aml(Aml *scope, LoongArchMachineState *lams) acpi_dsdt_add_gpex(scope, &cfg); } +#ifdef CONFIG_TPM +static void acpi_dsdt_add_tpm(Aml *scope, LoongArchMachineState *vms) +{ + PlatformBusDevice *pbus = PLATFORM_BUS_DEVICE(vms->platform_bus_dev); + hwaddr pbus_base = VIRT_PLATFORM_BUS_BASEADDRESS; + SysBusDevice *sbdev = SYS_BUS_DEVICE(tpm_find()); + MemoryRegion *sbdev_mr; + hwaddr tpm_base; + + if (!sbdev) { + return; + } + + tpm_base = platform_bus_get_mmio_addr(pbus, sbdev, 0); + assert(tpm_base != -1); + + tpm_base += pbus_base; + + sbdev_mr = sysbus_mmio_get_region(sbdev, 0); + + Aml *dev = aml_device("TPM0"); + aml_append(dev, aml_name_decl("_HID", aml_string("MSFT0101"))); + aml_append(dev, aml_name_decl("_STR", aml_string("TPM 2.0 Device"))); + aml_append(dev, aml_name_decl("_UID", aml_int(0))); + + Aml *crs = aml_resource_template(); + aml_append(crs, + aml_memory32_fixed(tpm_base, + (uint32_t)memory_region_size(sbdev_mr), + AML_READ_WRITE)); + aml_append(dev, aml_name_decl("_CRS", crs)); + aml_append(scope, dev); +} +#endif + /* build DSDT */ static void build_dsdt(GArray *table_data, BIOSLinker *linker, MachineState *machine) @@ -289,7 +327,9 @@ build_dsdt(GArray *table_data, BIOSLinker *linker, MachineState *machine) build_uart_device_aml(dsdt); build_pci_device_aml(dsdt, lams); build_la_ged_aml(dsdt, machine); - +#ifdef CONFIG_TPM + acpi_dsdt_add_tpm(dsdt, lams); +#endif /* System State Package */ scope = aml_scope("\\"); pkg = aml_package(4); @@ -359,6 +399,15 @@ static void acpi_build(AcpiBuildTables *tables, MachineState *machine) lams->oem_table_id); } +#ifdef CONFIG_TPM + /* TPM info */ + if (tpm_get_version(tpm_find()) == TPM_VERSION_2_0) { + acpi_add_table(table_offsets, tables_blob); + build_tpm2(tables_blob, tables->linker, + tables->tcpalog, lams->oem_id, + lams->oem_table_id); + } +#endif /* Add tables supplied by user (if any) */ for (u = acpi_table_first(); u; u = acpi_table_next(u)) { unsigned len = acpi_table_len(u); diff --git a/hw/loongarch/virt.c b/hw/loongarch/virt.c index afc1c8a..5e4c279 100644 --- a/hw/loongarch/virt.c +++ b/hw/loongarch/virt.c @@ -41,6 +41,7 @@ #include "hw/platform-bus.h" #include "hw/display/ramfb.h" #include "hw/mem/pc-dimm.h" +#include "sysemu/tpm.h" static void fdt_add_rtc_node(LoongArchMachineState *lams) { @@ -960,6 +961,9 @@ static void loongarch_class_init(ObjectClass *oc, void *data) object_class_property_set_description(oc, "acpi", "Enable ACPI"); machine_class_allow_dynamic_sysbus_dev(mc, TYPE_RAMFB_DEVICE); +#ifdef CONFIG_TPM + machine_class_allow_dynamic_sysbus_dev(mc, TYPE_TPM_TIS_SYSBUS); +#endif } static const TypeInfo loongarch_machine_types[] = { |