diff options
Diffstat (limited to 'src/arch/x86')
| -rw-r--r-- | src/arch/x86/acpi.c | 53 | ||||
| -rw-r--r-- | src/arch/x86/include/arch/acpi.h | 48 |
2 files changed, 100 insertions, 1 deletions
diff --git a/src/arch/x86/acpi.c b/src/arch/x86/acpi.c index bf9813cbfe..1b8aaae64b 100644 --- a/src/arch/x86/acpi.c +++ b/src/arch/x86/acpi.c @@ -772,6 +772,57 @@ void acpi_create_vfct(struct device *device, header->checksum = acpi_checksum((void *)vfct, header->length); } +void acpi_create_ipmi(struct device *device, + struct acpi_spmi *spmi, + const u16 ipmi_revision, + const acpi_addr_t *addr, + const enum acpi_ipmi_interface_type type, + const s8 gpe_interrupt, + const u32 apic_interrupt, + const u32 uid) +{ + acpi_header_t *header = &(spmi->header); + memset((void *)spmi, 0, sizeof(struct acpi_spmi)); + + /* Fill out header fields. */ + memcpy(header->signature, "SPMI", 4); + memcpy(header->oem_id, OEM_ID, 6); + memcpy(header->oem_table_id, ACPI_TABLE_CREATOR, 8); + memcpy(header->asl_compiler_id, ASLC, 4); + + header->asl_compiler_revision = asl_revision; + header->length = sizeof(struct acpi_spmi); + header->revision = get_acpi_table_revision(SPMI); + + spmi->reserved = 1; + + if (device->path.type == DEVICE_PATH_PCI) { + spmi->pci_device_flag = ACPI_IPMI_PCI_DEVICE_FLAG; + spmi->pci_bus = device->bus->secondary; + spmi->pci_device = device->path.pci.devfn >> 3; + spmi->pci_function = device->path.pci.devfn & 0x7; + } else if (type != IPMI_INTERFACE_SSIF) { + memcpy(spmi->uid, &uid, sizeof(spmi->uid)); + } + + spmi->base_address = *addr; + spmi->specification_revision = ipmi_revision; + + spmi->interface_type = type; + + if (gpe_interrupt >= 0 && gpe_interrupt < 32) { + spmi->gpe = gpe_interrupt; + spmi->interrupt_type |= ACPI_IPMI_INT_TYPE_SCI; + } + if (apic_interrupt > 0) { + spmi->global_system_interrupt = apic_interrupt; + spmi->interrupt_type |= ACPI_IPMI_INT_TYPE_APIC; + } + + /* Calculate checksum. */ + header->checksum = acpi_checksum((void *)spmi, header->length); +} + void acpi_create_ivrs(acpi_ivrs_t *ivrs, unsigned long (*acpi_fill_ivrs)(acpi_ivrs_t *ivrs_struct, unsigned long current)) @@ -1490,6 +1541,8 @@ int get_acpi_table_revision(enum acpi_tables table) return 1; case SLIT: /* ACPI 2.0 upto 6.3: 1 */ return 1; + case SPMI: /* IMPI 2.0 */ + return 5; case HPET: /* Currently 1. Table added in ACPI 2.0. */ return 1; case VFCT: /* ACPI 2.0/3.0/4.0: 1 */ diff --git a/src/arch/x86/include/arch/acpi.h b/src/arch/x86/include/arch/acpi.h index dbf46a9b1b..e48b2da567 100644 --- a/src/arch/x86/include/arch/acpi.h +++ b/src/arch/x86/include/arch/acpi.h @@ -82,7 +82,7 @@ enum acpi_tables { BERT, DBG2, DMAR, DSDT, FACS, FADT, HEST, HPET, IVRS, MADT, MCFG, RSDP, RSDT, SLIT, SRAT, SSDT, TCPA, TPM2, XSDT, ECDT, /* Additional proprietary tables used by coreboot */ - VFCT, NHLT + VFCT, NHLT, SPMI }; /* RSDP (Root System Description Pointer) */ @@ -782,6 +782,43 @@ enum acpi_upc_type { UPC_TYPE_HUB }; +enum acpi_ipmi_interface_type { + IPMI_INTERFACE_RESERVED = 0, + IPMI_INTERFACE_KCS, + IPMI_INTERFACE_SMIC, + IPMI_INTERFACE_BT, + IPMI_INTERFACE_SSIF, +}; + +#define ACPI_IPMI_PCI_DEVICE_FLAG (1 << 0) +#define ACPI_IPMI_INT_TYPE_SCI (1 << 0) +#define ACPI_IPMI_INT_TYPE_APIC (1 << 1) + +/* ACPI IPMI 2.0 */ +struct acpi_spmi { + struct acpi_table_header header; + u8 interface_type; + u8 reserved; + u16 specification_revision; + u8 interrupt_type; + u8 gpe; + u8 reserved2; + u8 pci_device_flag; + + u32 global_system_interrupt; + acpi_addr_t base_address; + union { + struct { + u8 pci_segment_group; + u8 pci_bus; + u8 pci_device; + u8 pci_function; + }; + u8 uid[4]; + }; + u8 reserved3; +} __packed; + unsigned long fw_cfg_acpi_tables(unsigned long start); /* These are implemented by the target port or north/southbridge. */ @@ -834,6 +871,15 @@ void acpi_create_vfct(struct device *device, struct acpi_vfct *vfct_struct, unsigned long current)); +void acpi_create_ipmi(struct device *device, + struct acpi_spmi *spmi, + const u16 ipmi_revision, + const acpi_addr_t *addr, + const enum acpi_ipmi_interface_type type, + const s8 gpe_interrupt, + const u32 apic_interrupt, + const u32 uid); + void acpi_create_ivrs(acpi_ivrs_t *ivrs, unsigned long (*acpi_fill_ivrs)(acpi_ivrs_t *ivrs_struct, unsigned long current)); |