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-rw-r--r--src/arch/x86/acpi.c79
-rw-r--r--src/arch/x86/include/arch/acpi.h18
2 files changed, 80 insertions, 17 deletions
diff --git a/src/arch/x86/acpi.c b/src/arch/x86/acpi.c
index 78eeaa7649..e6d8ee054a 100644
--- a/src/arch/x86/acpi.c
+++ b/src/arch/x86/acpi.c
@@ -218,7 +218,7 @@ void acpi_create_madt(acpi_madt_t *madt)
memcpy(header->asl_compiler_id, ASLC, 4);
header->length = sizeof(acpi_madt_t);
- header->revision = 1; /* ACPI 1.0/2.0: 1, ACPI 3.0: 2, ACPI 4.0: 3 */
+ header->revision = get_acpi_table_revision(MADT);
madt->lapic_addr = LOCAL_APIC_ADDR;
madt->flags = 0x1; /* PCAT_COMPAT */
@@ -246,7 +246,7 @@ void acpi_create_mcfg(acpi_mcfg_t *mcfg)
memcpy(header->asl_compiler_id, ASLC, 4);
header->length = sizeof(acpi_mcfg_t);
- header->revision = 1;
+ header->revision = get_acpi_table_revision(MCFG);
current = acpi_fill_mcfg(current);
@@ -299,7 +299,7 @@ static void acpi_create_tcpa(acpi_tcpa_t *tcpa)
memcpy(header->asl_compiler_id, ASLC, 4);
header->length = sizeof(acpi_tcpa_t);
- header->revision = 2;
+ header->revision = get_acpi_table_revision(TCPA);
tcpa->platform_class = 0;
tcpa->laml = tcpa_log_len;
@@ -339,7 +339,7 @@ void acpi_create_ssdt_generator(acpi_header_t *ssdt, const char *oem_table_id)
memset((void *)ssdt, 0, sizeof(acpi_header_t));
memcpy(&ssdt->signature, "SSDT", 4);
- ssdt->revision = 2; /* ACPI 1.0/2.0: ?, ACPI 3.0/4.0: 2 */
+ ssdt->revision = get_acpi_table_revision(SSDT);
memcpy(&ssdt->oem_id, OEM_ID, 6);
memcpy(&ssdt->oem_table_id, oem_table_id, 8);
ssdt->oem_revision = 42;
@@ -410,7 +410,7 @@ void acpi_create_srat(acpi_srat_t *srat,
memcpy(header->asl_compiler_id, ASLC, 4);
header->length = sizeof(acpi_srat_t);
- header->revision = 1; /* ACPI 1.0: N/A, 2.0: 1, 3.0: 2, 4.0: 3 */
+ header->revision = get_acpi_table_revision(SRAT);
srat->resv = 1; /* Spec: Reserved to 1 for backwards compatibility. */
@@ -436,7 +436,7 @@ void acpi_create_dmar(acpi_dmar_t *dmar, enum dmar_flags flags,
memcpy(header->asl_compiler_id, ASLC, 4);
header->length = sizeof(acpi_dmar_t);
- header->revision = 1;
+ header->revision = get_acpi_table_revision(DMAR);
dmar->host_address_width = cpu_phys_address_size() - 1;
dmar->flags = flags;
@@ -569,7 +569,7 @@ void acpi_create_slit(acpi_slit_t *slit,
memcpy(header->asl_compiler_id, ASLC, 4);
header->length = sizeof(acpi_slit_t);
- header->revision = 1; /* ACPI 1.0: N/A, ACPI 2.0/3.0/4.0: 1 */
+ header->revision = get_acpi_table_revision(SLIT);
current = acpi_fill_slit(current);
@@ -593,7 +593,7 @@ void acpi_create_hpet(acpi_hpet_t *hpet)
memcpy(header->asl_compiler_id, ASLC, 4);
header->length = sizeof(acpi_hpet_t);
- header->revision = 1; /* Currently 1. Table added in ACPI 2.0. */
+ header->revision = get_acpi_table_revision(HPET);
/* Fill out HPET address. */
addr->space_id = 0; /* Memory */
@@ -626,7 +626,7 @@ void acpi_create_vfct(struct device *device,
memcpy(header->asl_compiler_id, ASLC, 4);
header->length = sizeof(struct acpi_vfct);
- header->revision = 1; /* ACPI 1.0: N/A, ACPI 2.0/3.0/4.0: 1 */
+ header->revision = get_acpi_table_revision(VFCT);
current = acpi_fill_vfct(device, vfct, current);
@@ -651,7 +651,7 @@ void acpi_create_ivrs(acpi_ivrs_t *ivrs,
memcpy(header->asl_compiler_id, ASLC, 4);
header->length = sizeof(acpi_ivrs_t);
- header->revision = IVRS_FORMAT_FIXED;
+ header->revision = get_acpi_table_revision(IVRS);
current = acpi_fill_ivrs(ivrs, current);
@@ -696,7 +696,7 @@ void acpi_create_dbg2(acpi_dbg2_header_t *dbg2,
current = (uintptr_t)dbg2;
memset(dbg2, 0, sizeof(acpi_dbg2_header_t));
header = &(dbg2->header);
- header->revision = 0;
+ header->revision = get_acpi_table_revision(DBG2);
memcpy(header->signature, "DBG2", 4);
memcpy(header->oem_id, OEM_ID, 6);
memcpy(header->oem_table_id, ACPI_TABLE_CREATOR, 8);
@@ -807,7 +807,7 @@ void acpi_create_facs(acpi_facs_t *facs)
facs->flags = 0;
facs->x_firmware_waking_vector_l = 0;
facs->x_firmware_waking_vector_h = 0;
- facs->version = 1; /* ACPI 1.0: 0, ACPI 2.0/3.0: 1, ACPI 4.0: 2 */
+ facs->version = get_acpi_table_revision(FACS);
}
static void acpi_write_rsdt(acpi_rsdt_t *rsdt, char *oem_id, char *oem_table_id)
@@ -821,7 +821,7 @@ static void acpi_write_rsdt(acpi_rsdt_t *rsdt, char *oem_id, char *oem_table_id)
memcpy(header->asl_compiler_id, ASLC, 4);
header->length = sizeof(acpi_rsdt_t);
- header->revision = 1; /* ACPI 1.0/2.0/3.0/4.0: 1 */
+ header->revision = get_acpi_table_revision(RSDT);
/* Entries are filled in later, we come with an empty set. */
@@ -840,7 +840,7 @@ static void acpi_write_xsdt(acpi_xsdt_t *xsdt, char *oem_id, char *oem_table_id)
memcpy(header->asl_compiler_id, ASLC, 4);
header->length = sizeof(acpi_xsdt_t);
- header->revision = 1; /* ACPI 1.0: N/A, 2.0/3.0/4.0: 1 */
+ header->revision = get_acpi_table_revision(XSDT);
/* Entries are filled in later, we come with an empty set. */
@@ -870,7 +870,7 @@ static void acpi_write_rsdp(acpi_rsdp_t *rsdp, acpi_rsdt_t *rsdt,
rsdp->revision = 0;
} else {
rsdp->xsdt_address = (u64)(uintptr_t)xsdt;
- rsdp->revision = 2;
+ rsdp->revision = get_acpi_table_revision(RSDP);
}
/* Calculate checksums. */
@@ -950,7 +950,7 @@ void acpi_write_hest(acpi_hest_t *hest,
memcpy(header->oem_table_id, ACPI_TABLE_CREATOR, 8);
memcpy(header->asl_compiler_id, ASLC, 4);
header->length += sizeof(acpi_hest_t);
- header->revision = 1;
+ header->revision = get_acpi_table_revision(HEST);
acpi_fill_hest(hest);
@@ -966,7 +966,7 @@ void acpi_create_fadt(acpi_fadt_t *fadt, acpi_facs_t *facs, void *dsdt)
memset((void *) fadt, 0, sizeof(acpi_fadt_t));
memcpy(header->signature, "FACP", 4);
header->length = sizeof(acpi_fadt_t);
- header->revision = 4;
+ header->revision = get_acpi_table_revision(FADT);
memcpy(header->oem_id, OEM_ID, 6);
memcpy(header->oem_table_id, ACPI_TABLE_CREATOR, 8);
memcpy(header->asl_compiler_id, ASLC, 4);
@@ -1256,3 +1256,48 @@ __weak int acpi_get_gpe(int gpe)
{
return -1; /* implemented by SOC */
}
+
+int get_acpi_table_revision(enum acpi_tables table)
+{
+ switch (table) {
+ case FADT:
+ return ACPI_FADT_REV_ACPI_3_0;
+ case MADT: /* ACPI 1.0/2.0: 1, ACPI 3.0: 2, ACPI 4.0: 3 */
+ return 1;
+ case MCFG:
+ return 1;
+ case TCPA:
+ return 2;
+ case SSDT: /* ACPI 1.0/2.0: ?, ACPI 3.0/4.0: 2 */
+ return 2;
+ case SRAT: /* ACPI 1.0: N/A, 2.0: 1, 3.0: 2, 4.0: 3 */
+ return 1; /* TODO Should probably be upgraded to 2 */
+ case DMAR:
+ return 1;
+ case SLIT: /* ACPI 1.0: N/A, ACPI 2.0/3.0/4.0: 1 */
+ return 1;
+ case HPET: /* Currently 1. Table added in ACPI 2.0. */
+ return 1;
+ case VFCT: /* ACPI 1.0: N/A, ACPI 2.0/3.0/4.0: 1 */
+ return 1;
+ case IVRS:
+ return IVRS_FORMAT_FIXED;
+ case DBG2:
+ return 0;
+ case FACS: /* ACPI 1.0: 0, ACPI 2.0/3.0: 1, ACPI 4.0: 2 */
+ return 1;
+ case RSDT: /* ACPI 1.0/2.0/3.0/4.0: 1 */
+ return 1;
+ case XSDT: /* ACPI 1.0: N/A, 2.0/3.0/4.0: 1 */
+ return 1;
+ case RSDP: /* ACPI 1.0: 0, ACPI 2.0/3.0/4.0: 2. */
+ return 2;
+ case HEST:
+ return 1;
+ case NHLT:
+ return 5;
+ default:
+ return -1;
+ }
+ return -1;
+}
diff --git a/src/arch/x86/include/arch/acpi.h b/src/arch/x86/include/arch/acpi.h
index 40fbd548d8..52245ee9be 100644
--- a/src/arch/x86/include/arch/acpi.h
+++ b/src/arch/x86/include/arch/acpi.h
@@ -76,6 +76,18 @@ enum coreboot_acpi_ids {
COREBOOT_ACPI_ID_MAX = 0xFFFF, /* BOOTFFFF */
};
+/* Table 5-30 DESCRIPTION_HEADER Signatures for tables defined by ACPI 6.2a
+ * Additional tables mssing in 5-30: MADT, RSDP, VFCT, NHLT
+ */
+enum acpi_tables {
+ APIC, BERT, BGRT, CPEP, DSDT, ECDT, EINJ, ERST, FACP, FADT, FACS,
+ FPDT, GTDT, HEST, MSCT, MPST, NFIT, OEMX, PCCT, PMTT, PSDT, RASF,
+ RSDT, SBST, SDEV, SLIT, SRAT, SSDT, XSDT, BOOT, CSRT, DBG2, DBGP,
+ DMAR, DPPT, DRTM, ETDT, HPET, IBFT, IORT, IVRS, LPIT, MCFG, MCHI,
+ MSDM, SDEI, SLIC, SPCR, SPMI, STAO, TCPA, TPM2, WAET, WDAT, WDRT,
+ WPBT, WSMT, XENV, MADT, RSDP, VFCT, NHLT
+};
+
/* RSDP (Root System Description Pointer) */
typedef struct acpi_rsdp {
char signature[8]; /* RSDP signature */
@@ -845,6 +857,12 @@ static inline uintptr_t acpi_align_current(uintptr_t current)
return ALIGN(current, 16);
}
+/* ACPI table revisions should match the revision of the ACPI spec
+ * supported. This function keeps the table versions synced. This could
+ * be made into a weak function if there is ever a need to override the
+ * coreboot default ACPI spec version supported. */
+int get_acpi_table_revision(enum acpi_tables table);
+
#endif // !defined(__ASSEMBLER__) && !defined(__ACPI__) && !defined(__ROMC__)
#endif /* __ASM_ACPI_H */
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-15 12:14:23 +0000