| Simon Glass | b2672ea | 2020-04-08 16:57:38 -0600 | [diff] [blame^] | 1 | // SPDX-License-Identifier: GPL-2.0+ |
| 2 | /* |
| 3 | * Generic code used to generate ACPI tables |
| 4 | * |
| 5 | * Copyright 2019 Google LLC |
| 6 | */ |
| 7 | |
| 8 | #include <common.h> |
| 9 | #include <acpi/acpi_table.h> |
| 10 | |
| 11 | int acpi_get_table_revision(enum acpi_tables table) |
| 12 | { |
| 13 | switch (table) { |
| 14 | case ACPITAB_FADT: |
| 15 | return ACPI_FADT_REV_ACPI_3_0; |
| 16 | case ACPITAB_MADT: |
| 17 | return ACPI_MADT_REV_ACPI_3_0; |
| 18 | case ACPITAB_MCFG: |
| 19 | return ACPI_MCFG_REV_ACPI_3_0; |
| 20 | case ACPITAB_TCPA: |
| 21 | /* This version and the rest are open-coded */ |
| 22 | return 2; |
| 23 | case ACPITAB_TPM2: |
| 24 | return 4; |
| 25 | case ACPITAB_SSDT: /* ACPI 3.0 upto 6.3: 2 */ |
| 26 | return 2; |
| 27 | case ACPITAB_SRAT: /* ACPI 2.0: 1, ACPI 3.0: 2, ACPI 4.0 to 6.3: 3 */ |
| 28 | return 1; /* TODO Should probably be upgraded to 2 */ |
| 29 | case ACPITAB_DMAR: |
| 30 | return 1; |
| 31 | case ACPITAB_SLIT: /* ACPI 2.0 upto 6.3: 1 */ |
| 32 | return 1; |
| 33 | case ACPITAB_SPMI: /* IMPI 2.0 */ |
| 34 | return 5; |
| 35 | case ACPITAB_HPET: /* Currently 1. Table added in ACPI 2.0 */ |
| 36 | return 1; |
| 37 | case ACPITAB_VFCT: /* ACPI 2.0/3.0/4.0: 1 */ |
| 38 | return 1; |
| 39 | case ACPITAB_IVRS: |
| 40 | return IVRS_FORMAT_FIXED; |
| 41 | case ACPITAB_DBG2: |
| 42 | return 0; |
| 43 | case ACPITAB_FACS: /* ACPI 2.0/3.0: 1, ACPI 4.0 to 6.3: 2 */ |
| 44 | return 1; |
| 45 | case ACPITAB_RSDT: /* ACPI 1.0 upto 6.3: 1 */ |
| 46 | return 1; |
| 47 | case ACPITAB_XSDT: /* ACPI 2.0 upto 6.3: 1 */ |
| 48 | return 1; |
| 49 | case ACPITAB_RSDP: /* ACPI 2.0 upto 6.3: 2 */ |
| 50 | return 2; |
| 51 | case ACPITAB_HEST: |
| 52 | return 1; |
| 53 | case ACPITAB_NHLT: |
| 54 | return 5; |
| 55 | case ACPITAB_BERT: |
| 56 | return 1; |
| 57 | case ACPITAB_SPCR: |
| 58 | return 2; |
| 59 | default: |
| 60 | return -EINVAL; |
| 61 | } |
| 62 | } |