| // SPDX-License-Identifier: GPL-2.0+ |
| /* |
| * Generic code used to generate ACPI tables |
| * |
| * Copyright 2019 Google LLC |
| */ |
| |
| #include <common.h> |
| #include <acpi/acpi_table.h> |
| |
| int acpi_get_table_revision(enum acpi_tables table) |
| { |
| switch (table) { |
| case ACPITAB_FADT: |
| return ACPI_FADT_REV_ACPI_3_0; |
| case ACPITAB_MADT: |
| return ACPI_MADT_REV_ACPI_3_0; |
| case ACPITAB_MCFG: |
| return ACPI_MCFG_REV_ACPI_3_0; |
| case ACPITAB_TCPA: |
| /* This version and the rest are open-coded */ |
| return 2; |
| case ACPITAB_TPM2: |
| return 4; |
| case ACPITAB_SSDT: /* ACPI 3.0 upto 6.3: 2 */ |
| return 2; |
| case ACPITAB_SRAT: /* ACPI 2.0: 1, ACPI 3.0: 2, ACPI 4.0 to 6.3: 3 */ |
| return 1; /* TODO Should probably be upgraded to 2 */ |
| case ACPITAB_DMAR: |
| return 1; |
| case ACPITAB_SLIT: /* ACPI 2.0 upto 6.3: 1 */ |
| return 1; |
| case ACPITAB_SPMI: /* IMPI 2.0 */ |
| return 5; |
| case ACPITAB_HPET: /* Currently 1. Table added in ACPI 2.0 */ |
| return 1; |
| case ACPITAB_VFCT: /* ACPI 2.0/3.0/4.0: 1 */ |
| return 1; |
| case ACPITAB_IVRS: |
| return IVRS_FORMAT_FIXED; |
| case ACPITAB_DBG2: |
| return 0; |
| case ACPITAB_FACS: /* ACPI 2.0/3.0: 1, ACPI 4.0 to 6.3: 2 */ |
| return 1; |
| case ACPITAB_RSDT: /* ACPI 1.0 upto 6.3: 1 */ |
| return 1; |
| case ACPITAB_XSDT: /* ACPI 2.0 upto 6.3: 1 */ |
| return 1; |
| case ACPITAB_RSDP: /* ACPI 2.0 upto 6.3: 2 */ |
| return 2; |
| case ACPITAB_HEST: |
| return 1; |
| case ACPITAB_NHLT: |
| return 5; |
| case ACPITAB_BERT: |
| return 1; |
| case ACPITAB_SPCR: |
| return 2; |
| default: |
| return -EINVAL; |
| } |
| } |