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acpi: Add SPMI table 

Add the SPMI table as defined in the IPMI spec v2:
https://www.intel.com/content/dam/www/public/us/en/documents/product-briefs/ipmi-second-gen-interface-spec-v2-rev1-1.pdf

Tested on Wedge100s.

Change-Id: Idff5134ce4c124f7e76acb0080da404b0c0dfffe
Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/33487
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Reviewed-by: HAOUAS Elyes <ehaouas@noos.fr>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Patrick Rudolph 2019-06-14 19:00:04 +02:00 committed by Patrick Rudolph
parent 7752645041
commit 9d98e5ae0d
2 changed files with 100 additions and 1 deletions
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53
src/arch/x86/acpi.c
View File

@ -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 */

48
src/arch/x86/include/arch/acpi.h
View File

@ -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));