Patrick Georgi | 11f0079 | 2020-03-04 15:10:45 +0100 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
Stefan Reinauer | 688b385 | 2004-01-28 16:56:14 +0000 | [diff] [blame] | 2 | /* |
Martin Roth | 20bbd81 | 2019-08-30 21:09:37 -0600 | [diff] [blame] | 3 | * coreboot ACPI Table support |
Stefan Reinauer | 777224c | 2005-01-19 14:06:41 +0000 | [diff] [blame] | 4 | */ |
| 5 | |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 6 | /* |
Stefan Reinauer | 777224c | 2005-01-19 14:06:41 +0000 | [diff] [blame] | 7 | * Each system port implementing ACPI has to provide two functions: |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 8 | * |
Stefan Reinauer | 777224c | 2005-01-19 14:06:41 +0000 | [diff] [blame] | 9 | * write_acpi_tables() |
| 10 | * acpi_dump_apics() |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 11 | * |
Stefan Reinauer | c0ac7e9 | 2009-11-10 22:17:15 +0000 | [diff] [blame] | 12 | * See Kontron 986LCD-M port for a good example of an ACPI implementation |
| 13 | * in coreboot. |
Ronald G. Minnich | 02fa3b2 | 2004-10-06 17:33:54 +0000 | [diff] [blame] | 14 | */ |
Stefan Reinauer | 688b385 | 2004-01-28 16:56:14 +0000 | [diff] [blame] | 15 | |
Furquan Shaikh | 76cedd2 | 2020-05-02 10:24:23 -0700 | [diff] [blame] | 16 | #include <acpi/acpi.h> |
| 17 | #include <acpi/acpi_ivrs.h> |
| 18 | #include <acpi/acpigen.h> |
Jianjun Wang | 8565b94a | 2022-03-02 10:20:26 +0800 | [diff] [blame] | 19 | #include <cbfs.h> |
Stefan Reinauer | c0ac7e9 | 2009-11-10 22:17:15 +0000 | [diff] [blame] | 20 | #include <cbmem.h> |
Elyes HAOUAS | e2d152c | 2019-06-21 07:06:50 +0200 | [diff] [blame] | 21 | #include <commonlib/helpers.h> |
Jianjun Wang | 8565b94a | 2022-03-02 10:20:26 +0800 | [diff] [blame] | 22 | #include <console/console.h> |
Duncan Laurie | 11290c4 | 2012-10-03 19:07:05 -0700 | [diff] [blame] | 23 | #include <cpu/cpu.h> |
Jianjun Wang | 8565b94a | 2022-03-02 10:20:26 +0800 | [diff] [blame] | 24 | #include <device/mmio.h> |
| 25 | #include <device/pci.h> |
Jianjun Wang | 8565b94a | 2022-03-02 10:20:26 +0800 | [diff] [blame] | 26 | #include <string.h> |
Elyes HAOUAS | cdd2f63 | 2021-02-11 19:37:11 +0100 | [diff] [blame] | 27 | #include <types.h> |
Elyes HAOUAS | 26071aa | 2019-02-15 08:21:33 +0100 | [diff] [blame] | 28 | #include <version.h> |
Ronald G. Minnich | 02fa3b2 | 2004-10-06 17:33:54 +0000 | [diff] [blame] | 29 | |
Kyösti Mälkki | c7da027 | 2021-06-08 11:37:08 +0300 | [diff] [blame] | 30 | #if ENV_X86 |
| 31 | #include <arch/ioapic.h> |
Arthur Heymans | 92a3b67 | 2023-06-22 21:30:58 +0200 | [diff] [blame] | 32 | #include <arch/smp/mpspec.h> |
Kyösti Mälkki | c7da027 | 2021-06-08 11:37:08 +0300 | [diff] [blame] | 33 | #endif |
| 34 | |
Patrick Rudolph | cfe08ff | 2019-09-10 15:40:47 +0200 | [diff] [blame] | 35 | static acpi_rsdp_t *valid_rsdp(acpi_rsdp_t *rsdp); |
| 36 | |
Ronald G. Minnich | 02fa3b2 | 2004-10-06 17:33:54 +0000 | [diff] [blame] | 37 | u8 acpi_checksum(u8 *table, u32 length) |
Stefan Reinauer | 688b385 | 2004-01-28 16:56:14 +0000 | [diff] [blame] | 38 | { |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 39 | u8 ret = 0; |
Stefan Reinauer | 688b385 | 2004-01-28 16:56:14 +0000 | [diff] [blame] | 40 | while (length--) { |
| 41 | ret += *table; |
| 42 | table++; |
| 43 | } |
Stefan Reinauer | a7648c2 | 2004-01-29 17:31:34 +0000 | [diff] [blame] | 44 | return -ret; |
Stefan Reinauer | 688b385 | 2004-01-28 16:56:14 +0000 | [diff] [blame] | 45 | } |
| 46 | |
Stefan Reinauer | c0ac7e9 | 2009-11-10 22:17:15 +0000 | [diff] [blame] | 47 | /** |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 48 | * Add an ACPI table to the RSDT (and XSDT) structure, recalculate length |
| 49 | * and checksum. |
Stefan Reinauer | 06feb88 | 2004-02-03 16:11:35 +0000 | [diff] [blame] | 50 | */ |
Stefan Reinauer | b657a3c | 2009-07-21 21:38:33 +0000 | [diff] [blame] | 51 | void acpi_add_table(acpi_rsdp_t *rsdp, void *table) |
Stefan Reinauer | 688b385 | 2004-01-28 16:56:14 +0000 | [diff] [blame] | 52 | { |
Stefan Reinauer | c0ac7e9 | 2009-11-10 22:17:15 +0000 | [diff] [blame] | 53 | int i, entries_num; |
Stefan Reinauer | b657a3c | 2009-07-21 21:38:33 +0000 | [diff] [blame] | 54 | acpi_rsdt_t *rsdt; |
| 55 | acpi_xsdt_t *xsdt = NULL; |
| 56 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 57 | /* The RSDT is mandatory... */ |
Stefan Reinauer | defee17 | 2015-06-18 01:11:19 -0700 | [diff] [blame] | 58 | rsdt = (acpi_rsdt_t *)(uintptr_t)rsdp->rsdt_address; |
Stefan Reinauer | c0ac7e9 | 2009-11-10 22:17:15 +0000 | [diff] [blame] | 59 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 60 | /* ...while the XSDT is not. */ |
| 61 | if (rsdp->xsdt_address) |
Stefan Reinauer | defee17 | 2015-06-18 01:11:19 -0700 | [diff] [blame] | 62 | xsdt = (acpi_xsdt_t *)((uintptr_t)rsdp->xsdt_address); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 63 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 64 | /* This should always be MAX_ACPI_TABLES. */ |
Stefan Reinauer | c0ac7e9 | 2009-11-10 22:17:15 +0000 | [diff] [blame] | 65 | entries_num = ARRAY_SIZE(rsdt->entry); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 66 | |
Stefan Reinauer | c0ac7e9 | 2009-11-10 22:17:15 +0000 | [diff] [blame] | 67 | for (i = 0; i < entries_num; i++) { |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 68 | if (rsdt->entry[i] == 0) |
Stefan Reinauer | c0ac7e9 | 2009-11-10 22:17:15 +0000 | [diff] [blame] | 69 | break; |
Stefan Reinauer | 688b385 | 2004-01-28 16:56:14 +0000 | [diff] [blame] | 70 | } |
| 71 | |
Stefan Reinauer | c0ac7e9 | 2009-11-10 22:17:15 +0000 | [diff] [blame] | 72 | if (i >= entries_num) { |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 73 | printk(BIOS_ERR, "ACPI: Error: Could not add ACPI table, " |
Cristian Măgherușan-Stanciu | ba48281 | 2011-07-02 00:57:07 +0300 | [diff] [blame] | 74 | "too many tables.\n"); |
Stefan Reinauer | c0ac7e9 | 2009-11-10 22:17:15 +0000 | [diff] [blame] | 75 | return; |
| 76 | } |
| 77 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 78 | /* Add table to the RSDT. */ |
Stefan Reinauer | defee17 | 2015-06-18 01:11:19 -0700 | [diff] [blame] | 79 | rsdt->entry[i] = (uintptr_t)table; |
Stefan Reinauer | c0ac7e9 | 2009-11-10 22:17:15 +0000 | [diff] [blame] | 80 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 81 | /* Fix RSDT length or the kernel will assume invalid entries. */ |
| 82 | rsdt->header.length = sizeof(acpi_header_t) + (sizeof(u32) * (i + 1)); |
Stefan Reinauer | c0ac7e9 | 2009-11-10 22:17:15 +0000 | [diff] [blame] | 83 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 84 | /* Re-calculate checksum. */ |
Stefan Reinauer | c0ac7e9 | 2009-11-10 22:17:15 +0000 | [diff] [blame] | 85 | rsdt->header.checksum = 0; /* Hope this won't get optimized away */ |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 86 | rsdt->header.checksum = acpi_checksum((u8 *)rsdt, rsdt->header.length); |
Stefan Reinauer | c0ac7e9 | 2009-11-10 22:17:15 +0000 | [diff] [blame] | 87 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 88 | /* |
| 89 | * And now the same thing for the XSDT. We use the same index as for |
Stefan Reinauer | c0ac7e9 | 2009-11-10 22:17:15 +0000 | [diff] [blame] | 90 | * now we want the XSDT and RSDT to always be in sync in coreboot. |
| 91 | */ |
| 92 | if (xsdt) { |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 93 | /* Add table to the XSDT. */ |
Stefan Reinauer | defee17 | 2015-06-18 01:11:19 -0700 | [diff] [blame] | 94 | xsdt->entry[i] = (u64)(uintptr_t)table; |
Stefan Reinauer | c0ac7e9 | 2009-11-10 22:17:15 +0000 | [diff] [blame] | 95 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 96 | /* Fix XSDT length. */ |
Stefan Reinauer | c0ac7e9 | 2009-11-10 22:17:15 +0000 | [diff] [blame] | 97 | xsdt->header.length = sizeof(acpi_header_t) + |
Cristian Măgherușan-Stanciu | ba48281 | 2011-07-02 00:57:07 +0300 | [diff] [blame] | 98 | (sizeof(u64) * (i + 1)); |
Stefan Reinauer | c0ac7e9 | 2009-11-10 22:17:15 +0000 | [diff] [blame] | 99 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 100 | /* Re-calculate checksum. */ |
| 101 | xsdt->header.checksum = 0; |
| 102 | xsdt->header.checksum = acpi_checksum((u8 *)xsdt, |
Cristian Măgherușan-Stanciu | ba48281 | 2011-07-02 00:57:07 +0300 | [diff] [blame] | 103 | xsdt->header.length); |
Stefan Reinauer | c0ac7e9 | 2009-11-10 22:17:15 +0000 | [diff] [blame] | 104 | } |
| 105 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 106 | printk(BIOS_DEBUG, "ACPI: added table %d/%d, length now %d\n", |
Cristian Măgherușan-Stanciu | ba48281 | 2011-07-02 00:57:07 +0300 | [diff] [blame] | 107 | i + 1, entries_num, rsdt->header.length); |
Stefan Reinauer | 688b385 | 2004-01-28 16:56:14 +0000 | [diff] [blame] | 108 | } |
| 109 | |
Arthur Heymans | adb8007 | 2023-06-28 09:56:00 +0200 | [diff] [blame] | 110 | static enum cb_err acpi_fill_header(acpi_header_t *header, const char name[4], |
| 111 | enum acpi_tables table, uint32_t size) |
| 112 | { |
| 113 | if (!header) |
| 114 | return CB_ERR; |
| 115 | |
| 116 | /* Fill out header fields. */ |
| 117 | memcpy(header->signature, name, 4); |
| 118 | memcpy(header->oem_id, OEM_ID, 6); |
| 119 | memcpy(header->oem_table_id, ACPI_TABLE_CREATOR, 8); |
| 120 | memcpy(header->asl_compiler_id, ASLC, 4); |
| 121 | |
| 122 | header->asl_compiler_revision = asl_revision; |
| 123 | header->revision = get_acpi_table_revision(table); |
| 124 | header->length = size; |
| 125 | |
| 126 | return CB_SUCCESS; |
| 127 | } |
| 128 | |
Arthur Heymans | 9362dd7 | 2023-06-08 19:56:51 +0200 | [diff] [blame] | 129 | static int acpi_create_mcfg_mmconfig(acpi_mcfg_mmconfig_t *mmconfig, u32 base, |
Cristian Măgherușan-Stanciu | ba48281 | 2011-07-02 00:57:07 +0300 | [diff] [blame] | 130 | u16 seg_nr, u8 start, u8 end) |
Stefan Reinauer | 26d431a | 2009-01-20 19:17:51 +0000 | [diff] [blame] | 131 | { |
Vladimir Serbinenko | 60fccdc | 2014-10-05 11:05:16 +0200 | [diff] [blame] | 132 | memset(mmconfig, 0, sizeof(*mmconfig)); |
Rudolf Marek | e6409f2 | 2007-11-03 12:50:26 +0000 | [diff] [blame] | 133 | mmconfig->base_address = base; |
| 134 | mmconfig->base_reserved = 0; |
| 135 | mmconfig->pci_segment_group_number = seg_nr; |
| 136 | mmconfig->start_bus_number = start; |
| 137 | mmconfig->end_bus_number = end; |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 138 | |
| 139 | return sizeof(acpi_mcfg_mmconfig_t); |
Rudolf Marek | e6409f2 | 2007-11-03 12:50:26 +0000 | [diff] [blame] | 140 | } |
| 141 | |
Kyösti Mälkki | e742b68 | 2023-04-10 17:03:32 +0300 | [diff] [blame] | 142 | static u16 acpi_sci_int(void) |
Kyösti Mälkki | ae1b2d4 | 2023-04-10 16:45:39 +0300 | [diff] [blame] | 143 | { |
| 144 | #if ENV_X86 |
| 145 | u8 gsi, irq, flags; |
| 146 | |
| 147 | ioapic_get_sci_pin(&gsi, &irq, &flags); |
| 148 | |
| 149 | /* ACPI Release 6.5, 5.2.9 and 5.2.15.5. */ |
| 150 | if (!CONFIG(ACPI_HAVE_PCAT_8259)) |
| 151 | return gsi; |
| 152 | |
| 153 | assert(irq < 16); |
| 154 | return irq; |
| 155 | #else |
| 156 | return 0; |
| 157 | #endif |
| 158 | } |
| 159 | |
Arthur Heymans | 01af0f8 | 2023-06-27 11:58:04 +0200 | [diff] [blame] | 160 | static void acpi_create_madt(acpi_header_t *header, void *unused) |
Stefan Reinauer | 06feb88 | 2004-02-03 16:11:35 +0000 | [diff] [blame] | 161 | { |
Arthur Heymans | 01af0f8 | 2023-06-27 11:58:04 +0200 | [diff] [blame] | 162 | acpi_madt_t *madt = (acpi_madt_t *)header; |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 163 | unsigned long current = (unsigned long)madt + sizeof(acpi_madt_t); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 164 | |
Arthur Heymans | adb8007 | 2023-06-28 09:56:00 +0200 | [diff] [blame] | 165 | if (acpi_fill_header(header, "APIC", MADT, sizeof(acpi_madt_t)) != CB_SUCCESS) |
John Zhao | 2ba303e | 2019-05-28 16:48:14 -0700 | [diff] [blame] | 166 | return; |
| 167 | |
Furquan Shaikh | b1859a6 | 2020-04-30 21:27:47 -0700 | [diff] [blame] | 168 | madt->lapic_addr = cpu_get_lapic_addr(); |
Nico Huber | 9df72e0 | 2018-11-24 18:25:50 +0100 | [diff] [blame] | 169 | if (CONFIG(ACPI_HAVE_PCAT_8259)) |
| 170 | madt->flags |= 1; |
Stefan Reinauer | 06feb88 | 2004-02-03 16:11:35 +0000 | [diff] [blame] | 171 | |
Kyösti Mälkki | 69a1396 | 2023-04-08 14:10:48 +0300 | [diff] [blame] | 172 | if (CONFIG(ACPI_COMMON_MADT_LAPIC)) |
| 173 | current = acpi_create_madt_lapics_with_nmis(current); |
| 174 | |
Kyösti Mälkki | 10bdee1 | 2023-04-11 01:00:17 +0300 | [diff] [blame] | 175 | if (CONFIG(ACPI_COMMON_MADT_IOAPIC)) |
| 176 | current = acpi_create_madt_ioapic_gsi0_default(current); |
| 177 | |
| 178 | if (CONFIG(ACPI_CUSTOM_MADT)) |
Kyösti Mälkki | a5fa534 | 2022-11-18 13:23:52 +0200 | [diff] [blame] | 179 | current = acpi_fill_madt(current); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 180 | |
Arthur Heymans | 01af0f8 | 2023-06-27 11:58:04 +0200 | [diff] [blame] | 181 | /* (Re)calculate length . */ |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 182 | header->length = current - (unsigned long)madt; |
Stefan Reinauer | 06feb88 | 2004-02-03 16:11:35 +0000 | [diff] [blame] | 183 | } |
| 184 | |
Kyösti Mälkki | b54388d | 2021-02-14 15:09:45 +0200 | [diff] [blame] | 185 | static unsigned long acpi_fill_mcfg(unsigned long current) |
| 186 | { |
| 187 | current += acpi_create_mcfg_mmconfig((acpi_mcfg_mmconfig_t *)current, |
Shelley Chen | 4e9bb33 | 2021-10-20 15:43:45 -0700 | [diff] [blame] | 188 | CONFIG_ECAM_MMCONF_BASE_ADDRESS, 0, 0, |
| 189 | CONFIG_ECAM_MMCONF_BUS_NUMBER - 1); |
Kyösti Mälkki | b54388d | 2021-02-14 15:09:45 +0200 | [diff] [blame] | 190 | return current; |
| 191 | } |
| 192 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 193 | /* MCFG is defined in the PCI Firmware Specification 3.0. */ |
Arthur Heymans | 01af0f8 | 2023-06-27 11:58:04 +0200 | [diff] [blame] | 194 | static void acpi_create_mcfg(acpi_header_t *header, void *unused) |
Rudolf Marek | e6409f2 | 2007-11-03 12:50:26 +0000 | [diff] [blame] | 195 | { |
Arthur Heymans | 01af0f8 | 2023-06-27 11:58:04 +0200 | [diff] [blame] | 196 | acpi_mcfg_t *mcfg = (acpi_mcfg_t *)header; |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 197 | unsigned long current = (unsigned long)mcfg + sizeof(acpi_mcfg_t); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 198 | |
Arthur Heymans | adb8007 | 2023-06-28 09:56:00 +0200 | [diff] [blame] | 199 | |
| 200 | if (acpi_fill_header(header, "MCFG", MCFG, sizeof(acpi_mcfg_t)) != CB_SUCCESS) |
John Zhao | 2ba303e | 2019-05-28 16:48:14 -0700 | [diff] [blame] | 201 | return; |
| 202 | |
Shelley Chen | 4e9bb33 | 2021-10-20 15:43:45 -0700 | [diff] [blame] | 203 | if (CONFIG(ECAM_MMCONF_SUPPORT)) |
Kyösti Mälkki | b54388d | 2021-02-14 15:09:45 +0200 | [diff] [blame] | 204 | current = acpi_fill_mcfg(current); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 205 | |
Arthur Heymans | 01af0f8 | 2023-06-27 11:58:04 +0200 | [diff] [blame] | 206 | /* (Re)calculate length */ |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 207 | header->length = current - (unsigned long)mcfg; |
Rudolf Marek | e6409f2 | 2007-11-03 12:50:26 +0000 | [diff] [blame] | 208 | } |
| 209 | |
Vladimir Serbinenko | f44ac13 | 2015-05-20 19:52:01 +0200 | [diff] [blame] | 210 | static void *get_tcpa_log(u32 *size) |
| 211 | { |
| 212 | const struct cbmem_entry *ce; |
| 213 | const u32 tcpa_default_log_len = 0x10000; |
| 214 | void *lasa; |
Philipp Deppenwiese | 791ba97 | 2018-07-30 01:15:20 +0200 | [diff] [blame] | 215 | ce = cbmem_entry_find(CBMEM_ID_TCPA_TCG_LOG); |
Vladimir Serbinenko | f44ac13 | 2015-05-20 19:52:01 +0200 | [diff] [blame] | 216 | if (ce) { |
| 217 | lasa = cbmem_entry_start(ce); |
| 218 | *size = cbmem_entry_size(ce); |
| 219 | printk(BIOS_DEBUG, "TCPA log found at %p\n", lasa); |
| 220 | return lasa; |
| 221 | } |
Philipp Deppenwiese | 791ba97 | 2018-07-30 01:15:20 +0200 | [diff] [blame] | 222 | lasa = cbmem_add(CBMEM_ID_TCPA_TCG_LOG, tcpa_default_log_len); |
Vladimir Serbinenko | f44ac13 | 2015-05-20 19:52:01 +0200 | [diff] [blame] | 223 | if (!lasa) { |
| 224 | printk(BIOS_ERR, "TCPA log creation failed\n"); |
| 225 | return NULL; |
| 226 | } |
| 227 | |
| 228 | printk(BIOS_DEBUG, "TCPA log created at %p\n", lasa); |
Lee Leahy | 024b13d | 2017-03-16 13:41:11 -0700 | [diff] [blame] | 229 | memset(lasa, 0, tcpa_default_log_len); |
Vladimir Serbinenko | f44ac13 | 2015-05-20 19:52:01 +0200 | [diff] [blame] | 230 | |
| 231 | *size = tcpa_default_log_len; |
| 232 | return lasa; |
| 233 | } |
| 234 | |
Arthur Heymans | 01af0f8 | 2023-06-27 11:58:04 +0200 | [diff] [blame] | 235 | static void acpi_create_tcpa(acpi_header_t *header, void *unused) |
Vladimir Serbinenko | f44ac13 | 2015-05-20 19:52:01 +0200 | [diff] [blame] | 236 | { |
Arthur Heymans | 01af0f8 | 2023-06-27 11:58:04 +0200 | [diff] [blame] | 237 | if (!CONFIG(TPM1)) |
| 238 | return; |
| 239 | |
| 240 | acpi_tcpa_t *tcpa = (acpi_tcpa_t *)header; |
Vladimir Serbinenko | f44ac13 | 2015-05-20 19:52:01 +0200 | [diff] [blame] | 241 | u32 tcpa_log_len; |
| 242 | void *lasa; |
| 243 | |
Vladimir Serbinenko | f44ac13 | 2015-05-20 19:52:01 +0200 | [diff] [blame] | 244 | lasa = get_tcpa_log(&tcpa_log_len); |
Lee Leahy | 9c7c6f7 | 2017-03-16 11:24:09 -0700 | [diff] [blame] | 245 | if (!lasa) |
Vladimir Serbinenko | f44ac13 | 2015-05-20 19:52:01 +0200 | [diff] [blame] | 246 | return; |
Vladimir Serbinenko | f44ac13 | 2015-05-20 19:52:01 +0200 | [diff] [blame] | 247 | |
Arthur Heymans | adb8007 | 2023-06-28 09:56:00 +0200 | [diff] [blame] | 248 | if (acpi_fill_header(header, "TCPA", TCPA, sizeof(acpi_tcpa_t)) != CB_SUCCESS) |
John Zhao | 2ba303e | 2019-05-28 16:48:14 -0700 | [diff] [blame] | 249 | return; |
| 250 | |
Vladimir Serbinenko | f44ac13 | 2015-05-20 19:52:01 +0200 | [diff] [blame] | 251 | tcpa->platform_class = 0; |
| 252 | tcpa->laml = tcpa_log_len; |
Elyes Haouas | 3141fbad | 2022-11-18 15:22:32 +0100 | [diff] [blame] | 253 | tcpa->lasa = (uintptr_t)lasa; |
Vladimir Serbinenko | f44ac13 | 2015-05-20 19:52:01 +0200 | [diff] [blame] | 254 | } |
| 255 | |
Michał Żygowski | 6e8692e | 2018-11-22 16:57:50 +0100 | [diff] [blame] | 256 | static void *get_tpm2_log(u32 *size) |
| 257 | { |
| 258 | const struct cbmem_entry *ce; |
| 259 | const u32 tpm2_default_log_len = 0x10000; |
| 260 | void *lasa; |
| 261 | ce = cbmem_entry_find(CBMEM_ID_TPM2_TCG_LOG); |
| 262 | if (ce) { |
| 263 | lasa = cbmem_entry_start(ce); |
| 264 | *size = cbmem_entry_size(ce); |
| 265 | printk(BIOS_DEBUG, "TPM2 log found at %p\n", lasa); |
| 266 | return lasa; |
| 267 | } |
| 268 | lasa = cbmem_add(CBMEM_ID_TPM2_TCG_LOG, tpm2_default_log_len); |
| 269 | if (!lasa) { |
| 270 | printk(BIOS_ERR, "TPM2 log creation failed\n"); |
| 271 | return NULL; |
| 272 | } |
| 273 | |
| 274 | printk(BIOS_DEBUG, "TPM2 log created at %p\n", lasa); |
| 275 | memset(lasa, 0, tpm2_default_log_len); |
| 276 | |
| 277 | *size = tpm2_default_log_len; |
| 278 | return lasa; |
| 279 | } |
| 280 | |
Arthur Heymans | 01af0f8 | 2023-06-27 11:58:04 +0200 | [diff] [blame] | 281 | static void acpi_create_tpm2(acpi_header_t *header, void *unused) |
Philipp Deppenwiese | 296164e0 | 2018-10-18 15:39:34 +0200 | [diff] [blame] | 282 | { |
Arthur Heymans | 01af0f8 | 2023-06-27 11:58:04 +0200 | [diff] [blame] | 283 | if (!CONFIG(TPM2)) |
| 284 | return; |
| 285 | |
| 286 | acpi_tpm2_t *tpm2 = (acpi_tpm2_t *)header; |
Michał Żygowski | 6e8692e | 2018-11-22 16:57:50 +0100 | [diff] [blame] | 287 | u32 tpm2_log_len; |
| 288 | void *lasa; |
Philipp Deppenwiese | 296164e0 | 2018-10-18 15:39:34 +0200 | [diff] [blame] | 289 | |
Michał Żygowski | 6e8692e | 2018-11-22 16:57:50 +0100 | [diff] [blame] | 290 | /* |
| 291 | * Some payloads like SeaBIOS depend on log area to use TPM2. |
| 292 | * Get the memory size and address of TPM2 log area or initialize it. |
| 293 | */ |
| 294 | lasa = get_tpm2_log(&tpm2_log_len); |
| 295 | if (!lasa) |
| 296 | tpm2_log_len = 0; |
| 297 | |
Arthur Heymans | adb8007 | 2023-06-28 09:56:00 +0200 | [diff] [blame] | 298 | if (acpi_fill_header(header, "TPM2", TPM2, sizeof(acpi_tpm2_t)) != CB_SUCCESS) |
John Zhao | 2ba303e | 2019-05-28 16:48:14 -0700 | [diff] [blame] | 299 | return; |
| 300 | |
Philipp Deppenwiese | 296164e0 | 2018-10-18 15:39:34 +0200 | [diff] [blame] | 301 | /* Hard to detect for coreboot. Just set it to 0 */ |
| 302 | tpm2->platform_class = 0; |
Christian Walter | 26e0d4c | 2019-07-14 15:47:23 +0200 | [diff] [blame] | 303 | if (CONFIG(CRB_TPM)) { |
| 304 | /* Must be set to 7 for CRB Support */ |
| 305 | tpm2->control_area = CONFIG_CRB_TPM_BASE_ADDRESS + 0x40; |
| 306 | tpm2->start_method = 7; |
| 307 | } else { |
| 308 | /* Must be set to 0 for FIFO interface support */ |
| 309 | tpm2->control_area = 0; |
| 310 | tpm2->start_method = 6; |
| 311 | } |
Philipp Deppenwiese | 296164e0 | 2018-10-18 15:39:34 +0200 | [diff] [blame] | 312 | memset(tpm2->msp, 0, sizeof(tpm2->msp)); |
| 313 | |
Michał Żygowski | 6e8692e | 2018-11-22 16:57:50 +0100 | [diff] [blame] | 314 | /* Fill the log area size and start address fields. */ |
| 315 | tpm2->laml = tpm2_log_len; |
Elyes Haouas | 3141fbad | 2022-11-18 15:22:32 +0100 | [diff] [blame] | 316 | tpm2->lasa = (uintptr_t)lasa; |
Philipp Deppenwiese | 296164e0 | 2018-10-18 15:39:34 +0200 | [diff] [blame] | 317 | } |
| 318 | |
Duncan Laurie | 3731903 | 2016-05-26 12:47:05 -0700 | [diff] [blame] | 319 | static void acpi_ssdt_write_cbtable(void) |
| 320 | { |
| 321 | const struct cbmem_entry *cbtable; |
| 322 | uintptr_t base; |
| 323 | uint32_t size; |
| 324 | |
| 325 | cbtable = cbmem_entry_find(CBMEM_ID_CBTABLE); |
| 326 | if (!cbtable) |
| 327 | return; |
| 328 | base = (uintptr_t)cbmem_entry_start(cbtable); |
| 329 | size = cbmem_entry_size(cbtable); |
| 330 | |
| 331 | acpigen_write_device("CTBL"); |
| 332 | acpigen_write_coreboot_hid(COREBOOT_ACPI_ID_CBTABLE); |
| 333 | acpigen_write_name_integer("_UID", 0); |
David Wu | 5dff396 | 2018-03-21 16:48:53 +0800 | [diff] [blame] | 334 | acpigen_write_STA(ACPI_STATUS_DEVICE_HIDDEN_ON); |
Duncan Laurie | 3731903 | 2016-05-26 12:47:05 -0700 | [diff] [blame] | 335 | acpigen_write_name("_CRS"); |
| 336 | acpigen_write_resourcetemplate_header(); |
| 337 | acpigen_write_mem32fixed(0, base, size); |
| 338 | acpigen_write_resourcetemplate_footer(); |
| 339 | acpigen_pop_len(); |
| 340 | } |
| 341 | |
Arthur Heymans | 01af0f8 | 2023-06-27 11:58:04 +0200 | [diff] [blame] | 342 | static void acpi_create_ssdt_generator(acpi_header_t *ssdt, void *unused) |
Rudolf Marek | 293b5f5 | 2009-02-01 18:35:15 +0000 | [diff] [blame] | 343 | { |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 344 | unsigned long current = (unsigned long)ssdt + sizeof(acpi_header_t); |
| 345 | |
Arthur Heymans | adb8007 | 2023-06-28 09:56:00 +0200 | [diff] [blame] | 346 | if (acpi_fill_header(ssdt, "SSDT", SSDT, sizeof(acpi_header_t)) != CB_SUCCESS) |
| 347 | return; |
Rudolf Marek | 293b5f5 | 2009-02-01 18:35:15 +0000 | [diff] [blame] | 348 | |
Elyes Haouas | 3141fbad | 2022-11-18 15:22:32 +0100 | [diff] [blame] | 349 | acpigen_set_current((char *)current); |
Duncan Laurie | 3731903 | 2016-05-26 12:47:05 -0700 | [diff] [blame] | 350 | |
| 351 | /* Write object to declare coreboot tables */ |
| 352 | acpi_ssdt_write_cbtable(); |
| 353 | |
Vladimir Serbinenko | 2d7bd8a | 2014-08-30 19:28:05 +0200 | [diff] [blame] | 354 | { |
Edward O'Callaghan | 2c9d2cf | 2014-10-27 23:29:29 +1100 | [diff] [blame] | 355 | struct device *dev; |
Vladimir Serbinenko | 2d7bd8a | 2014-08-30 19:28:05 +0200 | [diff] [blame] | 356 | for (dev = all_devices; dev; dev = dev->next) |
Karthikeyan Ramasubramanian | d1c0f95 | 2020-11-02 16:26:52 -0700 | [diff] [blame] | 357 | if (dev->enabled && dev->ops && dev->ops->acpi_fill_ssdt) |
Nico Huber | 68680dd | 2020-03-31 17:34:52 +0200 | [diff] [blame] | 358 | dev->ops->acpi_fill_ssdt(dev); |
Elyes Haouas | 3141fbad | 2022-11-18 15:22:32 +0100 | [diff] [blame] | 359 | current = (unsigned long)acpigen_get_current(); |
Vladimir Serbinenko | 2d7bd8a | 2014-08-30 19:28:05 +0200 | [diff] [blame] | 360 | } |
Rudolf Marek | 293b5f5 | 2009-02-01 18:35:15 +0000 | [diff] [blame] | 361 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 362 | /* (Re)calculate length and checksum. */ |
Rudolf Marek | 293b5f5 | 2009-02-01 18:35:15 +0000 | [diff] [blame] | 363 | ssdt->length = current - (unsigned long)ssdt; |
Rudolf Marek | 293b5f5 | 2009-02-01 18:35:15 +0000 | [diff] [blame] | 364 | } |
| 365 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 366 | int acpi_create_srat_mem(acpi_srat_mem_t *mem, u8 node, u32 basek, u32 sizek, |
Cristian Măgherușan-Stanciu | ba48281 | 2011-07-02 00:57:07 +0300 | [diff] [blame] | 367 | u32 flags) |
Stefan Reinauer | f622d59 | 2005-11-26 16:56:05 +0000 | [diff] [blame] | 368 | { |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 369 | mem->type = 1; /* Memory affinity structure */ |
| 370 | mem->length = sizeof(acpi_srat_mem_t); |
| 371 | mem->base_address_low = (basek << 10); |
| 372 | mem->base_address_high = (basek >> (32 - 10)); |
| 373 | mem->length_low = (sizek << 10); |
| 374 | mem->length_high = (sizek >> (32 - 10)); |
| 375 | mem->proximity_domain = node; |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 376 | mem->flags = flags; |
Stefan Reinauer | f622d59 | 2005-11-26 16:56:05 +0000 | [diff] [blame] | 377 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 378 | return mem->length; |
Stefan Reinauer | f622d59 | 2005-11-26 16:56:05 +0000 | [diff] [blame] | 379 | } |
| 380 | |
Jonathan Zhang | 3164b64 | 2021-04-21 17:51:31 -0700 | [diff] [blame] | 381 | int acpi_create_srat_gia_pci(acpi_srat_gia_t *gia, u32 proximity_domain, |
| 382 | u16 seg, u8 bus, u8 dev, u8 func, u32 flags) |
| 383 | { |
| 384 | gia->type = ACPI_SRAT_STRUCTURE_GIA; |
| 385 | gia->length = sizeof(acpi_srat_gia_t); |
| 386 | gia->proximity_domain = proximity_domain; |
| 387 | gia->dev_handle_type = ACPI_SRAT_GIA_DEV_HANDLE_PCI; |
| 388 | /* First two bytes has segment number */ |
| 389 | memcpy(gia->dev_handle, &seg, 2); |
| 390 | gia->dev_handle[2] = bus; /* Byte 2 has bus number */ |
| 391 | /* Byte 3 has bits 7:3 for dev, bits 2:0 for func */ |
| 392 | gia->dev_handle[3] = PCI_SLOT(dev) | PCI_FUNC(func); |
| 393 | gia->flags = flags; |
| 394 | |
| 395 | return gia->length; |
| 396 | } |
| 397 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 398 | /* http://www.microsoft.com/whdc/system/sysinternals/sratdwn.mspx */ |
Vladimir Serbinenko | 5e59757 | 2014-10-11 23:45:40 +0200 | [diff] [blame] | 399 | void acpi_create_srat(acpi_srat_t *srat, |
| 400 | unsigned long (*acpi_fill_srat)(unsigned long current)) |
Stefan Reinauer | f622d59 | 2005-11-26 16:56:05 +0000 | [diff] [blame] | 401 | { |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 402 | acpi_header_t *header = &(srat->header); |
| 403 | unsigned long current = (unsigned long)srat + sizeof(acpi_srat_t); |
Stefan Reinauer | f622d59 | 2005-11-26 16:56:05 +0000 | [diff] [blame] | 404 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 405 | memset((void *)srat, 0, sizeof(acpi_srat_t)); |
Stefan Reinauer | f622d59 | 2005-11-26 16:56:05 +0000 | [diff] [blame] | 406 | |
Arthur Heymans | adb8007 | 2023-06-28 09:56:00 +0200 | [diff] [blame] | 407 | if (acpi_fill_header(header, "SRAT", SRAT, sizeof(acpi_srat_t)) != CB_SUCCESS) |
John Zhao | 2ba303e | 2019-05-28 16:48:14 -0700 | [diff] [blame] | 408 | return; |
| 409 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 410 | srat->resv = 1; /* Spec: Reserved to 1 for backwards compatibility. */ |
Stefan Reinauer | f622d59 | 2005-11-26 16:56:05 +0000 | [diff] [blame] | 411 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 412 | current = acpi_fill_srat(current); |
Stefan Reinauer | f622d59 | 2005-11-26 16:56:05 +0000 | [diff] [blame] | 413 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 414 | /* (Re)calculate length and checksum. */ |
| 415 | header->length = current - (unsigned long)srat; |
| 416 | header->checksum = acpi_checksum((void *)srat, header->length); |
Stefan Reinauer | f622d59 | 2005-11-26 16:56:05 +0000 | [diff] [blame] | 417 | } |
| 418 | |
Jonathan Zhang | 3dcafa8 | 2022-05-11 13:11:20 -0700 | [diff] [blame] | 419 | int acpi_create_cedt_chbs(acpi_cedt_chbs_t *chbs, u32 uid, u32 cxl_ver, u64 base) |
| 420 | { |
| 421 | memset((void *)chbs, 0, sizeof(acpi_cedt_chbs_t)); |
| 422 | |
| 423 | chbs->type = ACPI_CEDT_STRUCTURE_CHBS; |
| 424 | chbs->length = sizeof(acpi_cedt_chbs_t); |
| 425 | chbs->uid = uid; |
| 426 | chbs->cxl_ver = cxl_ver; |
| 427 | chbs->base = base; |
| 428 | |
| 429 | /* |
| 430 | * CXL spec 2.0 section 9.14.1.2 "CXL CHBS" |
| 431 | * CXL 1.1 spec compliant host bridge: 8KB |
| 432 | * CXL 2.0 spec compliant host bridge: 64KB |
| 433 | */ |
| 434 | if (cxl_ver == ACPI_CEDT_CHBS_CXL_VER_1_1) |
| 435 | chbs->len = 8 * KiB; |
| 436 | else if (cxl_ver == ACPI_CEDT_CHBS_CXL_VER_2_0) |
| 437 | chbs->len = 64 * KiB; |
| 438 | else |
| 439 | printk(BIOS_ERR, "ACPI(%s:%s): Incorrect CXL version:%d\n", __FILE__, __func__, |
| 440 | cxl_ver); |
| 441 | |
| 442 | return chbs->length; |
| 443 | } |
| 444 | |
| 445 | int acpi_create_cedt_cfmws(acpi_cedt_cfmws_t *cfmws, u64 base_hpa, u64 window_size, u8 eniw, |
| 446 | u32 hbig, u16 restriction, u16 qtg_id, const u32 *interleave_target) |
| 447 | { |
| 448 | memset((void *)cfmws, 0, sizeof(acpi_cedt_cfmws_t)); |
| 449 | |
| 450 | cfmws->type = ACPI_CEDT_STRUCTURE_CFMWS; |
| 451 | |
| 452 | u8 niw = 0; |
| 453 | if (eniw >= 8) |
| 454 | printk(BIOS_ERR, "ACPI(%s:%s): Incorrect eniw::%d\n", __FILE__, __func__, eniw); |
| 455 | else |
| 456 | /* NIW = 2 ** ENIW */ |
| 457 | niw = 0x1 << eniw; |
| 458 | /* 36 + 4 * NIW */ |
| 459 | cfmws->length = sizeof(acpi_cedt_cfmws_t) + 4 * niw; |
| 460 | |
| 461 | cfmws->base_hpa = base_hpa; |
| 462 | cfmws->window_size = window_size; |
| 463 | cfmws->eniw = eniw; |
| 464 | |
| 465 | // 0: Standard Modulo Arithmetic. Other values reserved. |
| 466 | cfmws->interleave_arithmetic = 0; |
| 467 | |
| 468 | cfmws->hbig = hbig; |
| 469 | cfmws->restriction = restriction; |
| 470 | cfmws->qtg_id = qtg_id; |
| 471 | memcpy(&cfmws->interleave_target, interleave_target, 4 * niw); |
| 472 | |
| 473 | return cfmws->length; |
| 474 | } |
| 475 | |
| 476 | void acpi_create_cedt(acpi_cedt_t *cedt, unsigned long (*acpi_fill_cedt)(unsigned long current)) |
| 477 | { |
| 478 | acpi_header_t *header = &(cedt->header); |
| 479 | unsigned long current = (unsigned long)cedt + sizeof(acpi_cedt_t); |
| 480 | |
| 481 | memset((void *)cedt, 0, sizeof(acpi_cedt_t)); |
| 482 | |
Arthur Heymans | adb8007 | 2023-06-28 09:56:00 +0200 | [diff] [blame] | 483 | if (acpi_fill_header(header, "CEDT", CEDT, sizeof(acpi_cedt_t)) != CB_SUCCESS) |
Jonathan Zhang | 3dcafa8 | 2022-05-11 13:11:20 -0700 | [diff] [blame] | 484 | return; |
| 485 | |
Jonathan Zhang | 3dcafa8 | 2022-05-11 13:11:20 -0700 | [diff] [blame] | 486 | current = acpi_fill_cedt(current); |
| 487 | |
| 488 | /* (Re)calculate length and checksum. */ |
| 489 | header->length = current - (unsigned long)cedt; |
| 490 | header->checksum = acpi_checksum((void *)cedt, header->length); |
| 491 | } |
| 492 | |
Jonathan Zhang | 2a4e1f4 | 2021-04-01 11:43:37 -0700 | [diff] [blame] | 493 | int acpi_create_hmat_mpda(acpi_hmat_mpda_t *mpda, u32 initiator, u32 memory) |
| 494 | { |
| 495 | memset((void *)mpda, 0, sizeof(acpi_hmat_mpda_t)); |
| 496 | |
| 497 | mpda->type = 0; /* Memory Proximity Domain Attributes structure */ |
| 498 | mpda->length = sizeof(acpi_hmat_mpda_t); |
| 499 | /* |
| 500 | * Proximity Domain for Attached Initiator field is valid. |
| 501 | * Bit 1 and bit 2 are reserved since HMAT revision 2. |
| 502 | */ |
| 503 | mpda->flags = (1 << 0); |
| 504 | mpda->proximity_domain_initiator = initiator; |
| 505 | mpda->proximity_domain_memory = memory; |
| 506 | |
| 507 | return mpda->length; |
| 508 | } |
| 509 | |
| 510 | void acpi_create_hmat(acpi_hmat_t *hmat, |
| 511 | unsigned long (*acpi_fill_hmat)(unsigned long current)) |
| 512 | { |
| 513 | acpi_header_t *header = &(hmat->header); |
| 514 | unsigned long current = (unsigned long)hmat + sizeof(acpi_hmat_t); |
| 515 | |
| 516 | memset((void *)hmat, 0, sizeof(acpi_hmat_t)); |
| 517 | |
Arthur Heymans | adb8007 | 2023-06-28 09:56:00 +0200 | [diff] [blame] | 518 | if (acpi_fill_header(header, "HMAT", HMAT, sizeof(acpi_hmat_t)) != CB_SUCCESS) |
Jonathan Zhang | 2a4e1f4 | 2021-04-01 11:43:37 -0700 | [diff] [blame] | 519 | return; |
| 520 | |
Jonathan Zhang | 2a4e1f4 | 2021-04-01 11:43:37 -0700 | [diff] [blame] | 521 | current = acpi_fill_hmat(current); |
| 522 | |
| 523 | /* (Re)calculate length and checksum. */ |
| 524 | header->length = current - (unsigned long)hmat; |
| 525 | header->checksum = acpi_checksum((void *)hmat, header->length); |
| 526 | } |
| 527 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 528 | /* http://h21007.www2.hp.com/portal/download/files/unprot/Itanium/slit.pdf */ |
Vladimir Serbinenko | 5e59757 | 2014-10-11 23:45:40 +0200 | [diff] [blame] | 529 | void acpi_create_slit(acpi_slit_t *slit, |
| 530 | unsigned long (*acpi_fill_slit)(unsigned long current)) |
Yinghai Lu | d4b278c | 2006-10-04 20:46:15 +0000 | [diff] [blame] | 531 | { |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 532 | acpi_header_t *header = &(slit->header); |
| 533 | unsigned long current = (unsigned long)slit + sizeof(acpi_slit_t); |
Yinghai Lu | d4b278c | 2006-10-04 20:46:15 +0000 | [diff] [blame] | 534 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 535 | memset((void *)slit, 0, sizeof(acpi_slit_t)); |
Yinghai Lu | d4b278c | 2006-10-04 20:46:15 +0000 | [diff] [blame] | 536 | |
Arthur Heymans | adb8007 | 2023-06-28 09:56:00 +0200 | [diff] [blame] | 537 | if (acpi_fill_header(header, "SLIT", SLIT, sizeof(acpi_slit_t)) != CB_SUCCESS) |
John Zhao | 2ba303e | 2019-05-28 16:48:14 -0700 | [diff] [blame] | 538 | return; |
| 539 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 540 | current = acpi_fill_slit(current); |
Yinghai Lu | d4b278c | 2006-10-04 20:46:15 +0000 | [diff] [blame] | 541 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 542 | /* (Re)calculate length and checksum. */ |
| 543 | header->length = current - (unsigned long)slit; |
| 544 | header->checksum = acpi_checksum((void *)slit, header->length); |
Yinghai Lu | d4b278c | 2006-10-04 20:46:15 +0000 | [diff] [blame] | 545 | } |
| 546 | |
Rocky Phagura | eff0713 | 2021-01-10 15:42:50 -0800 | [diff] [blame] | 547 | /* |
| 548 | * This method adds the ACPI error injection capability. It fills the default information. |
| 549 | * HW dependent code (caller) can modify the defaults upon return. If no changes are necessary |
| 550 | * and the defaults are acceptable then caller can simply add the table (acpi_add_table). |
| 551 | * INPUTS: |
| 552 | * einj - ptr to the starting location of EINJ table |
| 553 | * actions - number of actions to trigger an error (HW dependent) |
| 554 | * addr - address of trigger action table. This should be ACPI reserved memory and it will be |
| 555 | * shared between OS and FW. |
| 556 | */ |
| 557 | void acpi_create_einj(acpi_einj_t *einj, uintptr_t addr, u8 actions) |
| 558 | { |
| 559 | int i; |
| 560 | acpi_header_t *header = &(einj->header); |
| 561 | acpi_injection_header_t *inj_header = &(einj->inj_header); |
| 562 | acpi_einj_smi_t *einj_smi = (acpi_einj_smi_t *)addr; |
| 563 | acpi_einj_trigger_table_t *tat; |
| 564 | if (!header) |
| 565 | return; |
| 566 | |
| 567 | printk(BIOS_DEBUG, "%s einj_smi = %p\n", __func__, einj_smi); |
| 568 | memset(einj_smi, 0, sizeof(acpi_einj_smi_t)); |
Jonathan Zhang | d5d9b28 | 2022-11-07 17:30:14 -0800 | [diff] [blame] | 569 | tat = (acpi_einj_trigger_table_t *)((uint8_t *)einj_smi + sizeof(acpi_einj_smi_t)); |
Rocky Phagura | eff0713 | 2021-01-10 15:42:50 -0800 | [diff] [blame] | 570 | tat->header_size = 16; |
| 571 | tat->revision = 0; |
| 572 | tat->table_size = sizeof(acpi_einj_trigger_table_t) + |
| 573 | sizeof(acpi_einj_action_table_t) * actions - 1; |
| 574 | tat->entry_count = actions; |
| 575 | printk(BIOS_DEBUG, "%s trigger_action_table = %p\n", __func__, tat); |
| 576 | |
| 577 | for (i = 0; i < actions; i++) { |
| 578 | tat->trigger_action[i].action = TRIGGER_ERROR; |
| 579 | tat->trigger_action[i].instruction = NO_OP; |
| 580 | tat->trigger_action[i].flags = FLAG_IGNORE; |
| 581 | tat->trigger_action[i].reg.space_id = ACPI_ADDRESS_SPACE_MEMORY; |
| 582 | tat->trigger_action[i].reg.bit_width = 64; |
| 583 | tat->trigger_action[i].reg.bit_offset = 0; |
| 584 | tat->trigger_action[i].reg.access_size = ACPI_ACCESS_SIZE_QWORD_ACCESS; |
| 585 | tat->trigger_action[i].reg.addr = 0; |
| 586 | tat->trigger_action[i].value = 0; |
| 587 | tat->trigger_action[i].mask = 0xFFFFFFFF; |
| 588 | } |
| 589 | |
| 590 | acpi_einj_action_table_t default_actions[ACTION_COUNT] = { |
| 591 | [0] = { |
| 592 | .action = BEGIN_INJECT_OP, |
| 593 | .instruction = WRITE_REGISTER_VALUE, |
| 594 | .flags = FLAG_PRESERVE, |
| 595 | .reg = EINJ_REG_MEMORY((u64)(uintptr_t)&einj_smi->op_state), |
| 596 | .value = 0, |
| 597 | .mask = 0xFFFFFFFF |
| 598 | }, |
| 599 | [1] = { |
| 600 | .action = GET_TRIGGER_ACTION_TABLE, |
| 601 | .instruction = READ_REGISTER, |
| 602 | .flags = FLAG_IGNORE, |
| 603 | .reg = EINJ_REG_MEMORY((u64)(uintptr_t)&einj_smi->trigger_action_table), |
| 604 | .value = 0, |
| 605 | .mask = 0xFFFFFFFFFFFFFFFF |
| 606 | }, |
| 607 | [2] = { |
| 608 | .action = SET_ERROR_TYPE, |
| 609 | .instruction = WRITE_REGISTER, |
| 610 | .flags = FLAG_PRESERVE, |
| 611 | .reg = EINJ_REG_MEMORY((u64)(uintptr_t)&einj_smi->err_inject[0]), |
| 612 | .value = 0, |
| 613 | .mask = 0xFFFFFFFF |
| 614 | }, |
| 615 | [3] = { |
| 616 | .action = GET_ERROR_TYPE, |
| 617 | .instruction = READ_REGISTER, |
| 618 | .flags = FLAG_IGNORE, |
| 619 | .reg = EINJ_REG_MEMORY((u64)(uintptr_t)&einj_smi->err_inj_cap), |
| 620 | .value = 0, |
| 621 | .mask = 0xFFFFFFFF |
| 622 | }, |
| 623 | [4] = { |
| 624 | .action = END_INJECT_OP, |
| 625 | .instruction = WRITE_REGISTER_VALUE, |
| 626 | .flags = FLAG_PRESERVE, |
| 627 | .reg = EINJ_REG_MEMORY((u64)(uintptr_t)&einj_smi->op_state), |
| 628 | .value = 0, |
| 629 | .mask = 0xFFFFFFFF |
| 630 | |
| 631 | }, |
| 632 | [5] = { |
| 633 | .action = EXECUTE_INJECT_OP, |
| 634 | .instruction = WRITE_REGISTER_VALUE, |
| 635 | .flags = FLAG_PRESERVE, |
| 636 | .reg = EINJ_REG_IO(), |
| 637 | .value = 0x9a, |
| 638 | .mask = 0xFFFF, |
| 639 | }, |
| 640 | [6] = { |
| 641 | .action = CHECK_BUSY_STATUS, |
| 642 | .instruction = READ_REGISTER_VALUE, |
| 643 | .flags = FLAG_IGNORE, |
| 644 | .reg = EINJ_REG_MEMORY((u64)(uintptr_t)&einj_smi->op_status), |
| 645 | .value = 1, |
| 646 | .mask = 1, |
| 647 | }, |
| 648 | [7] = { |
| 649 | .action = GET_CMD_STATUS, |
| 650 | .instruction = READ_REGISTER, |
| 651 | .flags = FLAG_PRESERVE, |
| 652 | .reg = EINJ_REG_MEMORY((u64)(uintptr_t)&einj_smi->cmd_sts), |
| 653 | .value = 0, |
| 654 | .mask = 0x1fe, |
| 655 | }, |
| 656 | [8] = { |
| 657 | .action = SET_ERROR_TYPE_WITH_ADDRESS, |
| 658 | .instruction = WRITE_REGISTER, |
| 659 | .flags = FLAG_PRESERVE, |
| 660 | .reg = EINJ_REG_MEMORY((u64)(uintptr_t)&einj_smi->setaddrtable), |
| 661 | .value = 1, |
| 662 | .mask = 0xffffffff |
| 663 | } |
| 664 | }; |
| 665 | |
| 666 | einj_smi->err_inj_cap = ACPI_EINJ_DEFAULT_CAP; |
Elyes Haouas | 3141fbad | 2022-11-18 15:22:32 +0100 | [diff] [blame] | 667 | einj_smi->trigger_action_table = (u64)(uintptr_t)tat; |
Rocky Phagura | eff0713 | 2021-01-10 15:42:50 -0800 | [diff] [blame] | 668 | |
| 669 | for (i = 0; i < ACTION_COUNT; i++) |
| 670 | printk(BIOS_DEBUG, "default_actions[%d].reg.addr is %llx\n", i, |
| 671 | default_actions[i].reg.addr); |
| 672 | |
Rocky Phagura | b46a9e5 | 2021-05-21 13:34:03 -0700 | [diff] [blame] | 673 | memset((void *)einj, 0, sizeof(*einj)); |
Rocky Phagura | eff0713 | 2021-01-10 15:42:50 -0800 | [diff] [blame] | 674 | |
Arthur Heymans | adb8007 | 2023-06-28 09:56:00 +0200 | [diff] [blame] | 675 | if (acpi_fill_header(header, "EINJ", EINJ, sizeof(acpi_einj_t)) != CB_SUCCESS) |
| 676 | return; |
Rocky Phagura | eff0713 | 2021-01-10 15:42:50 -0800 | [diff] [blame] | 677 | |
Rocky Phagura | eff0713 | 2021-01-10 15:42:50 -0800 | [diff] [blame] | 678 | inj_header->einj_header_size = sizeof(acpi_injection_header_t); |
| 679 | inj_header->entry_count = ACTION_COUNT; |
| 680 | |
| 681 | printk(BIOS_DEBUG, "%s einj->action_table = %p\n", |
| 682 | __func__, einj->action_table); |
| 683 | memcpy((void *)einj->action_table, (void *)default_actions, sizeof(einj->action_table)); |
Rocky Phagura | b46a9e5 | 2021-05-21 13:34:03 -0700 | [diff] [blame] | 684 | header->checksum = acpi_checksum((void *)einj, sizeof(*einj)); |
Rocky Phagura | eff0713 | 2021-01-10 15:42:50 -0800 | [diff] [blame] | 685 | } |
| 686 | |
Furquan Shaikh | 0f007d8 | 2020-04-24 06:41:18 -0700 | [diff] [blame] | 687 | void acpi_create_vfct(const struct device *device, |
Himanshu Sahdev | 7f1da07 | 2019-10-21 15:27:19 +0530 | [diff] [blame] | 688 | acpi_vfct_t *vfct, |
Furquan Shaikh | 0f007d8 | 2020-04-24 06:41:18 -0700 | [diff] [blame] | 689 | unsigned long (*acpi_fill_vfct)(const struct device *device, |
Himanshu Sahdev | 7f1da07 | 2019-10-21 15:27:19 +0530 | [diff] [blame] | 690 | acpi_vfct_t *vfct_struct, unsigned long current)) |
Patrick Rudolph | a5c2ac6 | 2016-03-31 20:04:23 +0200 | [diff] [blame] | 691 | { |
| 692 | acpi_header_t *header = &(vfct->header); |
Himanshu Sahdev | 7f1da07 | 2019-10-21 15:27:19 +0530 | [diff] [blame] | 693 | unsigned long current = (unsigned long)vfct + sizeof(acpi_vfct_t); |
Patrick Rudolph | a5c2ac6 | 2016-03-31 20:04:23 +0200 | [diff] [blame] | 694 | |
Himanshu Sahdev | 7f1da07 | 2019-10-21 15:27:19 +0530 | [diff] [blame] | 695 | memset((void *)vfct, 0, sizeof(acpi_vfct_t)); |
Patrick Rudolph | a5c2ac6 | 2016-03-31 20:04:23 +0200 | [diff] [blame] | 696 | |
Arthur Heymans | adb8007 | 2023-06-28 09:56:00 +0200 | [diff] [blame] | 697 | if (acpi_fill_header(header, "VFCT", VFCT, sizeof(acpi_vfct_t)) != CB_SUCCESS) |
John Zhao | 2ba303e | 2019-05-28 16:48:14 -0700 | [diff] [blame] | 698 | return; |
| 699 | |
Patrick Rudolph | a5c2ac6 | 2016-03-31 20:04:23 +0200 | [diff] [blame] | 700 | current = acpi_fill_vfct(device, vfct, current); |
| 701 | |
Kyösti Mälkki | fb49379 | 2019-06-30 06:29:52 +0300 | [diff] [blame] | 702 | /* If no BIOS image, return with header->length == 0. */ |
| 703 | if (!vfct->VBIOSImageOffset) |
| 704 | return; |
| 705 | |
Patrick Rudolph | a5c2ac6 | 2016-03-31 20:04:23 +0200 | [diff] [blame] | 706 | /* (Re)calculate length and checksum. */ |
| 707 | header->length = current - (unsigned long)vfct; |
| 708 | header->checksum = acpi_checksum((void *)vfct, header->length); |
| 709 | } |
| 710 | |
Furquan Shaikh | 0f007d8 | 2020-04-24 06:41:18 -0700 | [diff] [blame] | 711 | void acpi_create_ipmi(const struct device *device, |
Patrick Rudolph | 9d98e5a | 2019-06-14 19:00:04 +0200 | [diff] [blame] | 712 | struct acpi_spmi *spmi, |
| 713 | const u16 ipmi_revision, |
| 714 | const acpi_addr_t *addr, |
| 715 | const enum acpi_ipmi_interface_type type, |
| 716 | const s8 gpe_interrupt, |
| 717 | const u32 apic_interrupt, |
| 718 | const u32 uid) |
| 719 | { |
| 720 | acpi_header_t *header = &(spmi->header); |
| 721 | memset((void *)spmi, 0, sizeof(struct acpi_spmi)); |
| 722 | |
Arthur Heymans | adb8007 | 2023-06-28 09:56:00 +0200 | [diff] [blame] | 723 | if (acpi_fill_header(header, "SPMI", SPMI, sizeof(struct acpi_spmi)) != CB_SUCCESS) |
| 724 | return; |
Patrick Rudolph | 9d98e5a | 2019-06-14 19:00:04 +0200 | [diff] [blame] | 725 | |
| 726 | spmi->reserved = 1; |
| 727 | |
| 728 | if (device->path.type == DEVICE_PATH_PCI) { |
| 729 | spmi->pci_device_flag = ACPI_IPMI_PCI_DEVICE_FLAG; |
| 730 | spmi->pci_bus = device->bus->secondary; |
| 731 | spmi->pci_device = device->path.pci.devfn >> 3; |
| 732 | spmi->pci_function = device->path.pci.devfn & 0x7; |
| 733 | } else if (type != IPMI_INTERFACE_SSIF) { |
| 734 | memcpy(spmi->uid, &uid, sizeof(spmi->uid)); |
| 735 | } |
| 736 | |
| 737 | spmi->base_address = *addr; |
| 738 | spmi->specification_revision = ipmi_revision; |
| 739 | |
| 740 | spmi->interface_type = type; |
| 741 | |
| 742 | if (gpe_interrupt >= 0 && gpe_interrupt < 32) { |
| 743 | spmi->gpe = gpe_interrupt; |
| 744 | spmi->interrupt_type |= ACPI_IPMI_INT_TYPE_SCI; |
| 745 | } |
| 746 | if (apic_interrupt > 0) { |
| 747 | spmi->global_system_interrupt = apic_interrupt; |
| 748 | spmi->interrupt_type |= ACPI_IPMI_INT_TYPE_APIC; |
| 749 | } |
| 750 | |
| 751 | /* Calculate checksum. */ |
| 752 | header->checksum = acpi_checksum((void *)spmi, header->length); |
| 753 | } |
| 754 | |
Timothy Pearson | ff8ccf0 | 2015-08-11 17:48:32 -0500 | [diff] [blame] | 755 | void acpi_create_ivrs(acpi_ivrs_t *ivrs, |
Lee Leahy | 6f80ccc | 2017-03-16 15:18:22 -0700 | [diff] [blame] | 756 | unsigned long (*acpi_fill_ivrs)(acpi_ivrs_t *ivrs_struct, |
| 757 | unsigned long current)) |
Timothy Pearson | ff8ccf0 | 2015-08-11 17:48:32 -0500 | [diff] [blame] | 758 | { |
| 759 | acpi_header_t *header = &(ivrs->header); |
| 760 | unsigned long current = (unsigned long)ivrs + sizeof(acpi_ivrs_t); |
| 761 | |
| 762 | memset((void *)ivrs, 0, sizeof(acpi_ivrs_t)); |
| 763 | |
Arthur Heymans | adb8007 | 2023-06-28 09:56:00 +0200 | [diff] [blame] | 764 | if (acpi_fill_header(header, "IVRS", IVRS, sizeof(acpi_ivrs_t)) != CB_SUCCESS) |
John Zhao | 2ba303e | 2019-05-28 16:48:14 -0700 | [diff] [blame] | 765 | return; |
| 766 | |
Timothy Pearson | ff8ccf0 | 2015-08-11 17:48:32 -0500 | [diff] [blame] | 767 | current = acpi_fill_ivrs(ivrs, current); |
| 768 | |
| 769 | /* (Re)calculate length and checksum. */ |
| 770 | header->length = current - (unsigned long)ivrs; |
| 771 | header->checksum = acpi_checksum((void *)ivrs, header->length); |
| 772 | } |
| 773 | |
Jason Glenesk | 61624b2 | 2020-11-02 20:06:23 -0800 | [diff] [blame] | 774 | void acpi_create_crat(struct acpi_crat_header *crat, |
| 775 | unsigned long (*acpi_fill_crat)(struct acpi_crat_header *crat_struct, |
| 776 | unsigned long current)) |
| 777 | { |
| 778 | acpi_header_t *header = &(crat->header); |
| 779 | unsigned long current = (unsigned long)crat + sizeof(struct acpi_crat_header); |
| 780 | |
| 781 | memset((void *)crat, 0, sizeof(struct acpi_crat_header)); |
| 782 | |
Arthur Heymans | adb8007 | 2023-06-28 09:56:00 +0200 | [diff] [blame] | 783 | if (acpi_fill_header(header, "CRAT", CRAT, sizeof(struct acpi_crat_header)) != CB_SUCCESS) |
Jason Glenesk | 61624b2 | 2020-11-02 20:06:23 -0800 | [diff] [blame] | 784 | return; |
| 785 | |
Jason Glenesk | 61624b2 | 2020-11-02 20:06:23 -0800 | [diff] [blame] | 786 | current = acpi_fill_crat(crat, current); |
| 787 | |
| 788 | /* (Re)calculate length and checksum. */ |
| 789 | header->length = current - (unsigned long)crat; |
| 790 | header->checksum = acpi_checksum((void *)crat, header->length); |
| 791 | } |
| 792 | |
Arthur Heymans | 9368cf9 | 2023-04-25 16:07:49 +0200 | [diff] [blame] | 793 | static void acpi_create_dbg2(acpi_dbg2_header_t *dbg2, |
Duncan Laurie | e4a36c7 | 2017-11-11 19:33:25 -0800 | [diff] [blame] | 794 | int port_type, int port_subtype, |
| 795 | acpi_addr_t *address, uint32_t address_size, |
| 796 | const char *device_path) |
| 797 | { |
| 798 | uintptr_t current; |
| 799 | acpi_dbg2_device_t *device; |
| 800 | uint32_t *dbg2_addr_size; |
| 801 | acpi_header_t *header; |
| 802 | size_t path_len; |
| 803 | const char *path; |
| 804 | char *namespace; |
| 805 | |
| 806 | /* Fill out header fields. */ |
| 807 | current = (uintptr_t)dbg2; |
| 808 | memset(dbg2, 0, sizeof(acpi_dbg2_header_t)); |
| 809 | header = &(dbg2->header); |
John Zhao | 2ba303e | 2019-05-28 16:48:14 -0700 | [diff] [blame] | 810 | |
Arthur Heymans | adb8007 | 2023-06-28 09:56:00 +0200 | [diff] [blame] | 811 | if (acpi_fill_header(header, "DBG2", DBG2, sizeof(acpi_dbg2_header_t)) != CB_SUCCESS) |
John Zhao | 2ba303e | 2019-05-28 16:48:14 -0700 | [diff] [blame] | 812 | return; |
| 813 | |
Duncan Laurie | e4a36c7 | 2017-11-11 19:33:25 -0800 | [diff] [blame] | 814 | /* One debug device defined */ |
| 815 | dbg2->devices_offset = sizeof(acpi_dbg2_header_t); |
| 816 | dbg2->devices_count = 1; |
| 817 | current += sizeof(acpi_dbg2_header_t); |
| 818 | |
| 819 | /* Device comes after the header */ |
| 820 | device = (acpi_dbg2_device_t *)current; |
| 821 | memset(device, 0, sizeof(acpi_dbg2_device_t)); |
| 822 | current += sizeof(acpi_dbg2_device_t); |
| 823 | |
| 824 | device->revision = 0; |
| 825 | device->address_count = 1; |
| 826 | device->port_type = port_type; |
| 827 | device->port_subtype = port_subtype; |
| 828 | |
| 829 | /* Base Address comes after device structure */ |
| 830 | memcpy((void *)current, address, sizeof(acpi_addr_t)); |
| 831 | device->base_address_offset = current - (uintptr_t)device; |
| 832 | current += sizeof(acpi_addr_t); |
| 833 | |
| 834 | /* Address Size comes after address structure */ |
| 835 | dbg2_addr_size = (uint32_t *)current; |
| 836 | device->address_size_offset = current - (uintptr_t)device; |
| 837 | *dbg2_addr_size = address_size; |
| 838 | current += sizeof(uint32_t); |
| 839 | |
| 840 | /* Namespace string comes last, use '.' if not provided */ |
| 841 | path = device_path ? : "."; |
| 842 | /* Namespace string length includes NULL terminator */ |
| 843 | path_len = strlen(path) + 1; |
| 844 | namespace = (char *)current; |
| 845 | device->namespace_string_length = path_len; |
| 846 | device->namespace_string_offset = current - (uintptr_t)device; |
| 847 | strncpy(namespace, path, path_len); |
| 848 | current += path_len; |
| 849 | |
| 850 | /* Update structure lengths and checksum */ |
| 851 | device->length = current - (uintptr_t)device; |
| 852 | header->length = current - (uintptr_t)dbg2; |
| 853 | header->checksum = acpi_checksum((uint8_t *)dbg2, header->length); |
| 854 | } |
| 855 | |
| 856 | unsigned long acpi_write_dbg2_pci_uart(acpi_rsdp_t *rsdp, unsigned long current, |
Aamir Bohra | e825d3f | 2019-07-30 10:11:41 +0530 | [diff] [blame] | 857 | const struct device *dev, uint8_t access_size) |
Duncan Laurie | e4a36c7 | 2017-11-11 19:33:25 -0800 | [diff] [blame] | 858 | { |
| 859 | acpi_dbg2_header_t *dbg2 = (acpi_dbg2_header_t *)current; |
| 860 | struct resource *res; |
| 861 | acpi_addr_t address; |
| 862 | |
| 863 | if (!dev) { |
Wim Vervoorn | 6cd5243 | 2020-02-03 14:41:46 +0100 | [diff] [blame] | 864 | printk(BIOS_DEBUG, "%s: Device not found\n", __func__); |
Duncan Laurie | e4a36c7 | 2017-11-11 19:33:25 -0800 | [diff] [blame] | 865 | return current; |
| 866 | } |
Mario Scheithauer | f1eb0ea | 2017-11-21 13:52:53 +0100 | [diff] [blame] | 867 | if (!dev->enabled) { |
| 868 | printk(BIOS_INFO, "%s: Device not enabled\n", __func__); |
| 869 | return current; |
| 870 | } |
Angel Pons | 32d09be | 2021-11-03 13:27:45 +0100 | [diff] [blame] | 871 | res = probe_resource(dev, PCI_BASE_ADDRESS_0); |
Duncan Laurie | e4a36c7 | 2017-11-11 19:33:25 -0800 | [diff] [blame] | 872 | if (!res) { |
| 873 | printk(BIOS_ERR, "%s: Unable to find resource for %s\n", |
| 874 | __func__, dev_path(dev)); |
| 875 | return current; |
| 876 | } |
| 877 | |
| 878 | memset(&address, 0, sizeof(address)); |
| 879 | if (res->flags & IORESOURCE_IO) |
| 880 | address.space_id = ACPI_ADDRESS_SPACE_IO; |
| 881 | else if (res->flags & IORESOURCE_MEM) |
| 882 | address.space_id = ACPI_ADDRESS_SPACE_MEMORY; |
| 883 | else { |
| 884 | printk(BIOS_ERR, "%s: Unknown address space type\n", __func__); |
| 885 | return current; |
| 886 | } |
| 887 | |
| 888 | address.addrl = (uint32_t)res->base; |
| 889 | address.addrh = (uint32_t)((res->base >> 32) & 0xffffffff); |
| 890 | address.access_size = access_size; |
| 891 | |
| 892 | acpi_create_dbg2(dbg2, |
| 893 | ACPI_DBG2_PORT_SERIAL, |
| 894 | ACPI_DBG2_PORT_SERIAL_16550, |
| 895 | &address, res->size, |
| 896 | acpi_device_path(dev)); |
| 897 | |
| 898 | if (dbg2->header.length) { |
| 899 | current += dbg2->header.length; |
| 900 | current = acpi_align_current(current); |
| 901 | acpi_add_table(rsdp, dbg2); |
| 902 | } |
| 903 | |
| 904 | return current; |
| 905 | } |
| 906 | |
Arthur Heymans | 01af0f8 | 2023-06-27 11:58:04 +0200 | [diff] [blame] | 907 | static void acpi_create_facs(void *header) |
Ronald G. Minnich | 02fa3b2 | 2004-10-06 17:33:54 +0000 | [diff] [blame] | 908 | { |
Arthur Heymans | 01af0f8 | 2023-06-27 11:58:04 +0200 | [diff] [blame] | 909 | acpi_facs_t *facs = header; |
Ronald G. Minnich | 02fa3b2 | 2004-10-06 17:33:54 +0000 | [diff] [blame] | 910 | |
Stefan Reinauer | cdfe376 | 2009-07-21 22:15:43 +0000 | [diff] [blame] | 911 | memcpy(facs->signature, "FACS", 4); |
Ronald G. Minnich | 02fa3b2 | 2004-10-06 17:33:54 +0000 | [diff] [blame] | 912 | facs->length = sizeof(acpi_facs_t); |
| 913 | facs->hardware_signature = 0; |
| 914 | facs->firmware_waking_vector = 0; |
| 915 | facs->global_lock = 0; |
| 916 | facs->flags = 0; |
| 917 | facs->x_firmware_waking_vector_l = 0; |
| 918 | facs->x_firmware_waking_vector_h = 0; |
Marc Jones | 93a5176 | 2018-08-22 18:57:24 -0600 | [diff] [blame] | 919 | facs->version = get_acpi_table_revision(FACS); |
Ronald G. Minnich | 02fa3b2 | 2004-10-06 17:33:54 +0000 | [diff] [blame] | 920 | } |
Stefan Reinauer | 777224c | 2005-01-19 14:06:41 +0000 | [diff] [blame] | 921 | |
Vladimir Serbinenko | 351fefc | 2014-10-26 20:42:08 +0100 | [diff] [blame] | 922 | static void acpi_write_rsdt(acpi_rsdt_t *rsdt, char *oem_id, char *oem_table_id) |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 923 | { |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 924 | acpi_header_t *header = &(rsdt->header); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 925 | |
Arthur Heymans | adb8007 | 2023-06-28 09:56:00 +0200 | [diff] [blame] | 926 | if (acpi_fill_header(header, "RSDT", RSDT, sizeof(acpi_rsdt_t)) != CB_SUCCESS) |
John Zhao | 2ba303e | 2019-05-28 16:48:14 -0700 | [diff] [blame] | 927 | return; |
| 928 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 929 | /* Entries are filled in later, we come with an empty set. */ |
Stefan Reinauer | 688b385 | 2004-01-28 16:56:14 +0000 | [diff] [blame] | 930 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 931 | /* Fix checksum. */ |
Stefan Reinauer | b657a3c | 2009-07-21 21:38:33 +0000 | [diff] [blame] | 932 | header->checksum = acpi_checksum((void *)rsdt, sizeof(acpi_rsdt_t)); |
Stefan Reinauer | 688b385 | 2004-01-28 16:56:14 +0000 | [diff] [blame] | 933 | } |
| 934 | |
Vladimir Serbinenko | 351fefc | 2014-10-26 20:42:08 +0100 | [diff] [blame] | 935 | static void acpi_write_xsdt(acpi_xsdt_t *xsdt, char *oem_id, char *oem_table_id) |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 936 | { |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 937 | acpi_header_t *header = &(xsdt->header); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 938 | |
Arthur Heymans | adb8007 | 2023-06-28 09:56:00 +0200 | [diff] [blame] | 939 | if (acpi_fill_header(header, "XSDT", XSDT, sizeof(acpi_xsdt_t)) != CB_SUCCESS) |
John Zhao | 2ba303e | 2019-05-28 16:48:14 -0700 | [diff] [blame] | 940 | return; |
| 941 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 942 | /* Entries are filled in later, we come with an empty set. */ |
Stefan Reinauer | b657a3c | 2009-07-21 21:38:33 +0000 | [diff] [blame] | 943 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 944 | /* Fix checksum. */ |
Stefan Reinauer | b657a3c | 2009-07-21 21:38:33 +0000 | [diff] [blame] | 945 | header->checksum = acpi_checksum((void *)xsdt, sizeof(acpi_xsdt_t)); |
| 946 | } |
| 947 | |
Vladimir Serbinenko | 351fefc | 2014-10-26 20:42:08 +0100 | [diff] [blame] | 948 | static void acpi_write_rsdp(acpi_rsdp_t *rsdp, acpi_rsdt_t *rsdt, |
| 949 | acpi_xsdt_t *xsdt, char *oem_id) |
Stefan Reinauer | 688b385 | 2004-01-28 16:56:14 +0000 | [diff] [blame] | 950 | { |
Stefan Reinauer | d18faac | 2009-11-05 18:06:43 +0000 | [diff] [blame] | 951 | memset(rsdp, 0, sizeof(acpi_rsdp_t)); |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 952 | |
Stefan Reinauer | 688b385 | 2004-01-28 16:56:14 +0000 | [diff] [blame] | 953 | memcpy(rsdp->signature, RSDP_SIG, 8); |
Vladimir Serbinenko | 351fefc | 2014-10-26 20:42:08 +0100 | [diff] [blame] | 954 | memcpy(rsdp->oem_id, oem_id, 6); |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 955 | |
| 956 | rsdp->length = sizeof(acpi_rsdp_t); |
Stefan Reinauer | defee17 | 2015-06-18 01:11:19 -0700 | [diff] [blame] | 957 | rsdp->rsdt_address = (uintptr_t)rsdt; |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 958 | |
| 959 | /* |
| 960 | * Revision: ACPI 1.0: 0, ACPI 2.0/3.0/4.0: 2. |
| 961 | * |
| 962 | * Some OSes expect an XSDT to be present for RSD PTR revisions >= 2. |
| 963 | * If we don't have an ACPI XSDT, force ACPI 1.0 (and thus RSD PTR |
| 964 | * revision 0). |
Stefan Reinauer | b657a3c | 2009-07-21 21:38:33 +0000 | [diff] [blame] | 965 | */ |
| 966 | if (xsdt == NULL) { |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 967 | rsdp->revision = 0; |
Stefan Reinauer | b657a3c | 2009-07-21 21:38:33 +0000 | [diff] [blame] | 968 | } else { |
Stefan Reinauer | defee17 | 2015-06-18 01:11:19 -0700 | [diff] [blame] | 969 | rsdp->xsdt_address = (u64)(uintptr_t)xsdt; |
Marc Jones | 93a5176 | 2018-08-22 18:57:24 -0600 | [diff] [blame] | 970 | rsdp->revision = get_acpi_table_revision(RSDP); |
Stefan Reinauer | b657a3c | 2009-07-21 21:38:33 +0000 | [diff] [blame] | 971 | } |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 972 | |
| 973 | /* Calculate checksums. */ |
| 974 | rsdp->checksum = acpi_checksum((void *)rsdp, 20); |
| 975 | rsdp->ext_checksum = acpi_checksum((void *)rsdp, sizeof(acpi_rsdp_t)); |
Stefan Reinauer | 688b385 | 2004-01-28 16:56:14 +0000 | [diff] [blame] | 976 | } |
| 977 | |
Lee Leahy | 6f80ccc | 2017-03-16 15:18:22 -0700 | [diff] [blame] | 978 | unsigned long acpi_create_hest_error_source(acpi_hest_t *hest, |
| 979 | acpi_hest_esd_t *esd, u16 type, void *data, u16 data_len) |
zbao | caf494c8 | 2012-04-13 13:57:14 +0800 | [diff] [blame] | 980 | { |
| 981 | acpi_header_t *header = &(hest->header); |
| 982 | acpi_hest_hen_t *hen; |
| 983 | void *pos; |
| 984 | u16 len; |
| 985 | |
| 986 | pos = esd; |
| 987 | memset(pos, 0, sizeof(acpi_hest_esd_t)); |
| 988 | len = 0; |
| 989 | esd->type = type; /* MCE */ |
| 990 | esd->source_id = hest->error_source_count; |
| 991 | esd->flags = 0; /* FIRMWARE_FIRST */ |
| 992 | esd->enabled = 1; |
| 993 | esd->prealloc_erecords = 1; |
| 994 | esd->max_section_per_record = 0x1; |
| 995 | |
| 996 | len += sizeof(acpi_hest_esd_t); |
| 997 | pos = esd + 1; |
| 998 | |
| 999 | switch (type) { |
| 1000 | case 0: /* MCE */ |
| 1001 | break; |
| 1002 | case 1: /* CMC */ |
Elyes Haouas | 3141fbad | 2022-11-18 15:22:32 +0100 | [diff] [blame] | 1003 | hen = (acpi_hest_hen_t *)(pos); |
zbao | caf494c8 | 2012-04-13 13:57:14 +0800 | [diff] [blame] | 1004 | memset(pos, 0, sizeof(acpi_hest_hen_t)); |
| 1005 | hen->type = 3; /* SCI? */ |
| 1006 | hen->length = sizeof(acpi_hest_hen_t); |
Lee Leahy | 6f80ccc | 2017-03-16 15:18:22 -0700 | [diff] [blame] | 1007 | hen->conf_we = 0; /* Configuration Write Enable. */ |
zbao | caf494c8 | 2012-04-13 13:57:14 +0800 | [diff] [blame] | 1008 | hen->poll_interval = 0; |
| 1009 | hen->vector = 0; |
| 1010 | hen->sw2poll_threshold_val = 0; |
| 1011 | hen->sw2poll_threshold_win = 0; |
| 1012 | hen->error_threshold_val = 0; |
| 1013 | hen->error_threshold_win = 0; |
| 1014 | len += sizeof(acpi_hest_hen_t); |
| 1015 | pos = hen + 1; |
| 1016 | break; |
| 1017 | case 2: /* NMI */ |
| 1018 | case 6: /* AER Root Port */ |
| 1019 | case 7: /* AER Endpoint */ |
| 1020 | case 8: /* AER Bridge */ |
| 1021 | case 9: /* Generic Hardware Error Source. */ |
| 1022 | /* TODO: */ |
| 1023 | break; |
| 1024 | default: |
| 1025 | printk(BIOS_DEBUG, "Invalid type of Error Source."); |
| 1026 | break; |
| 1027 | } |
Lee Leahy | 024b13d | 2017-03-16 13:41:11 -0700 | [diff] [blame] | 1028 | hest->error_source_count++; |
zbao | caf494c8 | 2012-04-13 13:57:14 +0800 | [diff] [blame] | 1029 | |
| 1030 | memcpy(pos, data, data_len); |
| 1031 | len += data_len; |
John Zhao | 2ba303e | 2019-05-28 16:48:14 -0700 | [diff] [blame] | 1032 | if (header) |
| 1033 | header->length += len; |
zbao | caf494c8 | 2012-04-13 13:57:14 +0800 | [diff] [blame] | 1034 | |
| 1035 | return len; |
| 1036 | } |
| 1037 | |
| 1038 | /* ACPI 4.0 */ |
Vladimir Serbinenko | 807127f | 2014-11-09 13:36:18 +0100 | [diff] [blame] | 1039 | void acpi_write_hest(acpi_hest_t *hest, |
| 1040 | unsigned long (*acpi_fill_hest)(acpi_hest_t *hest)) |
zbao | caf494c8 | 2012-04-13 13:57:14 +0800 | [diff] [blame] | 1041 | { |
| 1042 | acpi_header_t *header = &(hest->header); |
| 1043 | |
| 1044 | memset(hest, 0, sizeof(acpi_hest_t)); |
| 1045 | |
Arthur Heymans | adb8007 | 2023-06-28 09:56:00 +0200 | [diff] [blame] | 1046 | if (acpi_fill_header(header, "HEST", HEST, sizeof(acpi_hest_t)) != CB_SUCCESS) |
John Zhao | 2ba303e | 2019-05-28 16:48:14 -0700 | [diff] [blame] | 1047 | return; |
| 1048 | |
zbao | caf494c8 | 2012-04-13 13:57:14 +0800 | [diff] [blame] | 1049 | acpi_fill_hest(hest); |
| 1050 | |
| 1051 | /* Calculate checksums. */ |
| 1052 | header->checksum = acpi_checksum((void *)hest, header->length); |
| 1053 | } |
| 1054 | |
Marshall Dawson | 1d8d369 | 2018-09-04 13:45:26 -0600 | [diff] [blame] | 1055 | /* ACPI 3.0b */ |
Arthur Heymans | 01af0f8 | 2023-06-27 11:58:04 +0200 | [diff] [blame] | 1056 | static void acpi_create_bert(acpi_header_t *header, void *unused) |
Marshall Dawson | 1d8d369 | 2018-09-04 13:45:26 -0600 | [diff] [blame] | 1057 | { |
Arthur Heymans | 01af0f8 | 2023-06-27 11:58:04 +0200 | [diff] [blame] | 1058 | if (!CONFIG(ACPI_BERT)) |
| 1059 | return; |
Marshall Dawson | 1d8d369 | 2018-09-04 13:45:26 -0600 | [diff] [blame] | 1060 | |
Arthur Heymans | 01af0f8 | 2023-06-27 11:58:04 +0200 | [diff] [blame] | 1061 | acpi_bert_t *bert = (acpi_bert_t *)header; |
Marshall Dawson | 1d8d369 | 2018-09-04 13:45:26 -0600 | [diff] [blame] | 1062 | |
Arthur Heymans | 01af0f8 | 2023-06-27 11:58:04 +0200 | [diff] [blame] | 1063 | void *region; |
| 1064 | size_t size; |
| 1065 | if (acpi_soc_get_bert_region(®ion, &size) != CB_SUCCESS) |
| 1066 | return; |
| 1067 | |
Arthur Heymans | adb8007 | 2023-06-28 09:56:00 +0200 | [diff] [blame] | 1068 | if (acpi_fill_header(header, "BERT", BERT, sizeof(acpi_bert_t)) != CB_SUCCESS) |
| 1069 | return; |
Marshall Dawson | 1d8d369 | 2018-09-04 13:45:26 -0600 | [diff] [blame] | 1070 | |
Arthur Heymans | 01af0f8 | 2023-06-27 11:58:04 +0200 | [diff] [blame] | 1071 | bert->error_region = (uintptr_t)region; |
| 1072 | bert->region_length = (size_t)size; |
Marshall Dawson | 1d8d369 | 2018-09-04 13:45:26 -0600 | [diff] [blame] | 1073 | } |
| 1074 | |
Angel Pons | 79572e4 | 2020-07-13 00:17:43 +0200 | [diff] [blame] | 1075 | __weak void arch_fill_fadt(acpi_fadt_t *fadt) { } |
Kyösti Mälkki | f9aac92 | 2020-05-30 16:16:28 +0300 | [diff] [blame] | 1076 | __weak void soc_fill_fadt(acpi_fadt_t *fadt) { } |
Kyösti Mälkki | 02fd15d | 2020-06-02 03:34:43 +0300 | [diff] [blame] | 1077 | __weak void mainboard_fill_fadt(acpi_fadt_t *fadt) { } |
Kyösti Mälkki | f9aac92 | 2020-05-30 16:16:28 +0300 | [diff] [blame] | 1078 | |
Arthur Heymans | 01af0f8 | 2023-06-27 11:58:04 +0200 | [diff] [blame] | 1079 | static acpi_header_t *dsdt; |
| 1080 | static void acpi_create_fadt(acpi_header_t *header, void *arg1) |
Vladimir Serbinenko | c21e073 | 2014-10-16 12:48:19 +0200 | [diff] [blame] | 1081 | { |
Arthur Heymans | 01af0f8 | 2023-06-27 11:58:04 +0200 | [diff] [blame] | 1082 | acpi_fadt_t *fadt = (acpi_fadt_t *)header; |
| 1083 | acpi_facs_t *facs = (acpi_facs_t *)(*(acpi_facs_t **)arg1); |
John Zhao | 2ba303e | 2019-05-28 16:48:14 -0700 | [diff] [blame] | 1084 | |
Arthur Heymans | adb8007 | 2023-06-28 09:56:00 +0200 | [diff] [blame] | 1085 | if (acpi_fill_header(header, "FACP", FADT, sizeof(acpi_fadt_t)) != CB_SUCCESS) |
John Zhao | 2ba303e | 2019-05-28 16:48:14 -0700 | [diff] [blame] | 1086 | return; |
| 1087 | |
Elyes Haouas | 532e043 | 2022-02-21 18:13:58 +0100 | [diff] [blame] | 1088 | fadt->FADT_MinorVersion = get_acpi_fadt_minor_version(); |
Elyes Haouas | 3141fbad | 2022-11-18 15:22:32 +0100 | [diff] [blame] | 1089 | fadt->firmware_ctrl = (unsigned long)facs; |
Vladimir Serbinenko | c21e073 | 2014-10-16 12:48:19 +0200 | [diff] [blame] | 1090 | fadt->x_firmware_ctl_l = (unsigned long)facs; |
| 1091 | fadt->x_firmware_ctl_h = 0; |
Kyösti Mälkki | d4acee8 | 2020-06-03 07:20:55 +0300 | [diff] [blame] | 1092 | |
Elyes Haouas | 3141fbad | 2022-11-18 15:22:32 +0100 | [diff] [blame] | 1093 | fadt->dsdt = (unsigned long)dsdt; |
Vladimir Serbinenko | c21e073 | 2014-10-16 12:48:19 +0200 | [diff] [blame] | 1094 | fadt->x_dsdt_l = (unsigned long)dsdt; |
| 1095 | fadt->x_dsdt_h = 0; |
| 1096 | |
Kyösti Mälkki | d4acee8 | 2020-06-03 07:20:55 +0300 | [diff] [blame] | 1097 | /* should be 0 ACPI 3.0 */ |
| 1098 | fadt->reserved = 0; |
| 1099 | |
Kyösti Mälkki | 67c48a3 | 2023-04-14 10:20:03 +0300 | [diff] [blame] | 1100 | /* P_LVLx latencies are not used as CPU _CST will override them. */ |
| 1101 | fadt->p_lvl2_lat = ACPI_FADT_C2_NOT_SUPPORTED; |
| 1102 | fadt->p_lvl3_lat = ACPI_FADT_C3_NOT_SUPPORTED; |
| 1103 | |
Kyösti Mälkki | 9ff9797 | 2023-04-14 15:37:27 +0300 | [diff] [blame] | 1104 | /* Use CPU _PTC instead to provide P_CNT details. */ |
| 1105 | fadt->duty_offset = 0; |
| 1106 | fadt->duty_width = 0; |
| 1107 | |
Kyösti Mälkki | e0d3868 | 2020-06-07 12:01:58 +0300 | [diff] [blame] | 1108 | fadt->preferred_pm_profile = acpi_get_preferred_pm_profile(); |
Vladimir Serbinenko | c21e073 | 2014-10-16 12:48:19 +0200 | [diff] [blame] | 1109 | |
Kyösti Mälkki | e742b68 | 2023-04-10 17:03:32 +0300 | [diff] [blame] | 1110 | fadt->sci_int = acpi_sci_int(); |
| 1111 | |
Angel Pons | 79572e4 | 2020-07-13 00:17:43 +0200 | [diff] [blame] | 1112 | arch_fill_fadt(fadt); |
| 1113 | |
Vladimir Serbinenko | ab83ef0 | 2014-10-25 15:18:25 +0200 | [diff] [blame] | 1114 | acpi_fill_fadt(fadt); |
Vladimir Serbinenko | c21e073 | 2014-10-16 12:48:19 +0200 | [diff] [blame] | 1115 | |
Kyösti Mälkki | f9aac92 | 2020-05-30 16:16:28 +0300 | [diff] [blame] | 1116 | soc_fill_fadt(fadt); |
Kyösti Mälkki | 02fd15d | 2020-06-02 03:34:43 +0300 | [diff] [blame] | 1117 | mainboard_fill_fadt(fadt); |
Vladimir Serbinenko | c21e073 | 2014-10-16 12:48:19 +0200 | [diff] [blame] | 1118 | } |
Vladimir Serbinenko | c21e073 | 2014-10-16 12:48:19 +0200 | [diff] [blame] | 1119 | |
Arthur Heymans | 01af0f8 | 2023-06-27 11:58:04 +0200 | [diff] [blame] | 1120 | static void acpi_create_lpit(acpi_header_t *header, void *unused) |
Michael Niewöhner | f0a44ae | 2021-01-01 21:04:09 +0100 | [diff] [blame] | 1121 | { |
Arthur Heymans | 01af0f8 | 2023-06-27 11:58:04 +0200 | [diff] [blame] | 1122 | if (!CONFIG(ACPI_LPIT)) |
| 1123 | return; |
Michael Niewöhner | f0a44ae | 2021-01-01 21:04:09 +0100 | [diff] [blame] | 1124 | |
Arthur Heymans | 01af0f8 | 2023-06-27 11:58:04 +0200 | [diff] [blame] | 1125 | acpi_lpit_t *lpit = (acpi_lpit_t *)header; |
| 1126 | unsigned long current = (unsigned long)lpit + sizeof(acpi_lpit_t); |
Michael Niewöhner | f0a44ae | 2021-01-01 21:04:09 +0100 | [diff] [blame] | 1127 | |
Arthur Heymans | adb8007 | 2023-06-28 09:56:00 +0200 | [diff] [blame] | 1128 | if (acpi_fill_header(header, "LPIT", LPIT, sizeof(acpi_lpit_t)) != CB_SUCCESS) |
Michael Niewöhner | f0a44ae | 2021-01-01 21:04:09 +0100 | [diff] [blame] | 1129 | return; |
| 1130 | |
Michael Niewöhner | f0a44ae | 2021-01-01 21:04:09 +0100 | [diff] [blame] | 1131 | current = acpi_fill_lpit(current); |
| 1132 | |
Arthur Heymans | 01af0f8 | 2023-06-27 11:58:04 +0200 | [diff] [blame] | 1133 | /* (Re)calculate length. */ |
Michael Niewöhner | f0a44ae | 2021-01-01 21:04:09 +0100 | [diff] [blame] | 1134 | header->length = current - (unsigned long)lpit; |
Michael Niewöhner | f0a44ae | 2021-01-01 21:04:09 +0100 | [diff] [blame] | 1135 | } |
| 1136 | |
Arthur Heymans | 2e3cb63 | 2023-06-30 15:01:08 +0200 | [diff] [blame] | 1137 | static void acpi_create_gtdt(acpi_header_t *header, void *unused) |
| 1138 | { |
| 1139 | if (!CONFIG(ACPI_GTDT)) |
| 1140 | return; |
| 1141 | |
| 1142 | acpi_gtdt_t *gtdt = (acpi_gtdt_t *)header; |
| 1143 | unsigned long current = (unsigned long)gtdt + sizeof(acpi_gtdt_t); |
| 1144 | |
| 1145 | if (acpi_fill_header(header, "GTDT", GTDT, sizeof(acpi_gtdt_t)) != CB_SUCCESS) |
| 1146 | return; |
| 1147 | |
| 1148 | /* Fill out header fields. */ |
| 1149 | gtdt->platform_timer_offset = sizeof(acpi_gtdt_t); |
| 1150 | |
| 1151 | acpi_soc_fill_gtdt(gtdt); |
| 1152 | current = acpi_soc_gtdt_add_timers(>dt->platform_timer_count, current); |
| 1153 | |
| 1154 | /* (Re)calculate length. */ |
| 1155 | header->length = current - (unsigned long)gtdt; |
| 1156 | } |
| 1157 | |
| 1158 | unsigned long acpi_gtdt_add_timer_block(unsigned long current, const uint64_t address, |
| 1159 | struct acpi_gtdt_timer_entry *timers, size_t number) |
| 1160 | { |
| 1161 | struct acpi_gtdt_timer_block *block = (struct acpi_gtdt_timer_block *)current; |
| 1162 | memset(block, 0, sizeof(struct acpi_gtdt_timer_block)); |
| 1163 | |
| 1164 | assert(number < 8 && number != 0); |
| 1165 | const size_t entries_size = number * sizeof(struct acpi_gtdt_timer_entry); |
| 1166 | |
| 1167 | block->header.type = ACPI_GTDT_TYPE_TIMER_BLOCK; |
| 1168 | block->header.length = sizeof(struct acpi_gtdt_timer_block) |
| 1169 | + entries_size; |
| 1170 | block->block_address = address; |
| 1171 | block->timer_count = number; |
| 1172 | block->timer_offset = sizeof(struct acpi_gtdt_timer_block); |
| 1173 | current += sizeof(struct acpi_gtdt_timer_block); |
| 1174 | memcpy((void *)current, timers, entries_size); |
| 1175 | current += entries_size; |
| 1176 | return current; |
| 1177 | } |
| 1178 | |
| 1179 | unsigned long acpi_gtdt_add_watchdog(unsigned long current, uint64_t refresh_frame, |
| 1180 | uint64_t control_frame, uint32_t gsiv, uint32_t flags) |
| 1181 | { |
| 1182 | struct acpi_gtdt_watchdog *wd = (struct acpi_gtdt_watchdog *)current; |
| 1183 | memset(wd, 0, sizeof(struct acpi_gtdt_watchdog)); |
| 1184 | |
| 1185 | wd->header.type = ACPI_GTDT_TYPE_WATCHDOG; |
| 1186 | wd->header.length = sizeof(struct acpi_gtdt_watchdog); |
| 1187 | wd->refresh_frame_address = refresh_frame; |
| 1188 | wd->control_frame_address = control_frame; |
| 1189 | wd->timer_interrupt = gsiv; |
| 1190 | wd->timer_flags = flags; |
| 1191 | |
| 1192 | return current + sizeof(struct acpi_gtdt_watchdog); |
| 1193 | } |
| 1194 | |
Michael Niewöhner | f0a44ae | 2021-01-01 21:04:09 +0100 | [diff] [blame] | 1195 | unsigned long acpi_create_lpi_desc_ncst(acpi_lpi_desc_ncst_t *lpi_desc, uint16_t uid) |
| 1196 | { |
| 1197 | memset(lpi_desc, 0, sizeof(acpi_lpi_desc_ncst_t)); |
| 1198 | lpi_desc->header.length = sizeof(acpi_lpi_desc_ncst_t); |
| 1199 | lpi_desc->header.type = ACPI_LPI_DESC_TYPE_NATIVE_CSTATE; |
| 1200 | lpi_desc->header.uid = uid; |
| 1201 | |
| 1202 | return lpi_desc->header.length; |
| 1203 | } |
| 1204 | |
Arthur Heymans | 9046407 | 2023-06-07 12:53:50 +0200 | [diff] [blame] | 1205 | static uint8_t acpi_spcr_type(void) |
| 1206 | { |
| 1207 | /* 16550-compatible with parameters defined in Generic Address Structure */ |
| 1208 | if (CONFIG(DRIVERS_UART_8250IO) || CONFIG(DRIVERS_UART_8250MEM)) |
| 1209 | return 0x12; |
| 1210 | if (CONFIG(DRIVERS_UART_PL011)) |
| 1211 | return 0x3; |
| 1212 | |
| 1213 | printk(BIOS_ERR, "%s: unknown serial type\n", __func__); |
| 1214 | return 0xff; |
| 1215 | } |
| 1216 | |
Arthur Heymans | 01af0f8 | 2023-06-27 11:58:04 +0200 | [diff] [blame] | 1217 | static void acpi_create_spcr(acpi_header_t *header, void *unused) |
Arthur Heymans | 9046407 | 2023-06-07 12:53:50 +0200 | [diff] [blame] | 1218 | { |
Arthur Heymans | 01af0f8 | 2023-06-27 11:58:04 +0200 | [diff] [blame] | 1219 | acpi_spcr_t *spcr = (acpi_spcr_t *)header; |
Arthur Heymans | 9046407 | 2023-06-07 12:53:50 +0200 | [diff] [blame] | 1220 | struct lb_serial serial; |
| 1221 | |
Arthur Heymans | 9046407 | 2023-06-07 12:53:50 +0200 | [diff] [blame] | 1222 | if (!CONFIG(CONSOLE_SERIAL)) |
| 1223 | return; |
| 1224 | |
| 1225 | if (fill_lb_serial(&serial) != CB_SUCCESS) |
| 1226 | return; |
| 1227 | |
Arthur Heymans | adb8007 | 2023-06-28 09:56:00 +0200 | [diff] [blame] | 1228 | if (acpi_fill_header(header, "SPCR", SPCR, sizeof(acpi_spcr_t)) != CB_SUCCESS) |
| 1229 | return; |
Arthur Heymans | 9046407 | 2023-06-07 12:53:50 +0200 | [diff] [blame] | 1230 | |
| 1231 | spcr->interface_type = acpi_spcr_type(); |
| 1232 | assert(serial.type == LB_SERIAL_TYPE_IO_MAPPED |
| 1233 | || serial.type == LB_SERIAL_TYPE_MEMORY_MAPPED); |
| 1234 | spcr->base_address.space_id = serial.type == LB_SERIAL_TYPE_IO_MAPPED ? |
| 1235 | ACPI_ADDRESS_SPACE_IO : ACPI_ADDRESS_SPACE_MEMORY; |
| 1236 | spcr->base_address.bit_width = serial.regwidth * 8; |
| 1237 | spcr->base_address.bit_offset = 0; |
| 1238 | switch (serial.regwidth) { |
| 1239 | case 1: |
| 1240 | spcr->base_address.access_size = ACPI_ACCESS_SIZE_BYTE_ACCESS; |
| 1241 | break; |
| 1242 | case 2: |
| 1243 | spcr->base_address.access_size = ACPI_ACCESS_SIZE_WORD_ACCESS; |
| 1244 | break; |
| 1245 | case 4: |
| 1246 | spcr->base_address.access_size = ACPI_ACCESS_SIZE_DWORD_ACCESS; |
| 1247 | break; |
| 1248 | default: |
| 1249 | printk(BIOS_ERR, "%s, Invalid serial regwidth\n", __func__); |
| 1250 | } |
| 1251 | |
| 1252 | spcr->base_address.addrl = serial.baseaddr; |
| 1253 | spcr->base_address.addrh = 0; |
| 1254 | spcr->interrupt_type = 0; |
| 1255 | spcr->irq = 0; |
| 1256 | spcr->configured_baudrate = 0; /* Have the OS use whatever is currently set */ |
| 1257 | spcr->parity = 0; |
| 1258 | spcr->stop_bits = 1; |
| 1259 | spcr->flow_control = 0; |
| 1260 | spcr->terminal_type = 2; /* 2 = VT-UTF8 */ |
| 1261 | spcr->language = 0; |
| 1262 | spcr->pci_did = 0xffff; |
| 1263 | spcr->pci_vid = 0xffff; |
Nico Huber | feb27dc | 2023-06-28 20:09:30 +0200 | [diff] [blame] | 1264 | |
| 1265 | header->checksum = acpi_checksum((void *)spcr, header->length); |
Arthur Heymans | 9046407 | 2023-06-07 12:53:50 +0200 | [diff] [blame] | 1266 | } |
| 1267 | |
Aaron Durbin | 6403167 | 2018-04-21 14:45:32 -0600 | [diff] [blame] | 1268 | unsigned long __weak fw_cfg_acpi_tables(unsigned long start) |
Vladimir Serbinenko | 41877d8 | 2014-09-01 22:18:01 +0200 | [diff] [blame] | 1269 | { |
| 1270 | return 0; |
| 1271 | } |
| 1272 | |
Raul E Rangel | 6b446b9 | 2021-11-19 11:38:35 -0700 | [diff] [blame] | 1273 | void preload_acpi_dsdt(void) |
| 1274 | { |
| 1275 | const char *file = CONFIG_CBFS_PREFIX "/dsdt.aml"; |
| 1276 | |
| 1277 | if (!CONFIG(CBFS_PRELOAD)) |
| 1278 | return; |
| 1279 | |
| 1280 | printk(BIOS_DEBUG, "Preloading %s\n", file); |
| 1281 | cbfs_preload(file); |
| 1282 | } |
| 1283 | |
Arthur Heymans | 01af0f8 | 2023-06-27 11:58:04 +0200 | [diff] [blame] | 1284 | static void acpi_create_dsdt(acpi_header_t *header, void *dsdt_file_arg) |
| 1285 | { |
| 1286 | dsdt = header; |
| 1287 | acpi_header_t *dsdt_file = *(acpi_header_t **)dsdt_file_arg; |
| 1288 | unsigned long current = (unsigned long)header; |
| 1289 | |
| 1290 | dsdt = (acpi_header_t *)current; |
| 1291 | memcpy(dsdt, dsdt_file, sizeof(acpi_header_t)); |
| 1292 | if (dsdt->length >= sizeof(acpi_header_t)) { |
| 1293 | current += sizeof(acpi_header_t); |
| 1294 | |
| 1295 | acpigen_set_current((char *)current); |
| 1296 | |
| 1297 | if (CONFIG(ACPI_SOC_NVS)) |
| 1298 | acpi_fill_gnvs(); |
| 1299 | if (CONFIG(CHROMEOS_NVS)) |
| 1300 | acpi_fill_cnvs(); |
| 1301 | |
| 1302 | for (const struct device *dev = all_devices; dev; dev = dev->next) |
| 1303 | if (dev->ops && dev->ops->acpi_inject_dsdt) |
| 1304 | dev->ops->acpi_inject_dsdt(dev); |
| 1305 | current = (unsigned long)acpigen_get_current(); |
| 1306 | memcpy((char *)current, |
| 1307 | (char *)dsdt_file + sizeof(acpi_header_t), |
| 1308 | dsdt->length - sizeof(acpi_header_t)); |
| 1309 | current += dsdt->length - sizeof(acpi_header_t); |
| 1310 | |
| 1311 | /* (Re)calculate length. */ |
| 1312 | dsdt->length = current - (unsigned long)dsdt; |
| 1313 | } |
| 1314 | } |
| 1315 | |
| 1316 | static void acpi_create_slic(acpi_header_t *header, void *slic_file_arg) |
| 1317 | { |
| 1318 | acpi_header_t *slic_file = *(acpi_header_t **)slic_file_arg; |
| 1319 | acpi_header_t *slic = header; |
| 1320 | if (slic_file) |
| 1321 | memcpy(slic, slic_file, slic_file->length); |
| 1322 | } |
| 1323 | |
Arthur Heymans | 2e7e2d9 | 2022-03-03 22:28:27 +0100 | [diff] [blame] | 1324 | static uintptr_t coreboot_rsdp; |
| 1325 | |
| 1326 | uintptr_t get_coreboot_rsdp(void) |
| 1327 | { |
| 1328 | return coreboot_rsdp; |
| 1329 | } |
| 1330 | |
Arthur Heymans | 0ad766c | 2023-06-07 10:45:59 +0200 | [diff] [blame] | 1331 | static void acpixtract_compatible_hexdump(const void *memory, size_t length) |
| 1332 | { |
| 1333 | size_t i, j; |
| 1334 | uint8_t *line; |
| 1335 | size_t num_bytes; |
| 1336 | |
| 1337 | for (i = 0; i < length; i += 16) { |
| 1338 | num_bytes = MIN(length - i, 16); |
| 1339 | line = ((uint8_t *)memory) + i; |
| 1340 | |
| 1341 | printk(BIOS_SPEW, " %04zX:", i); |
| 1342 | for (j = 0; j < num_bytes; j++) |
| 1343 | printk(BIOS_SPEW, " %02x", line[j]); |
| 1344 | for (; j < 16; j++) |
| 1345 | printk(BIOS_SPEW, " "); |
| 1346 | printk(BIOS_SPEW, " "); |
| 1347 | for (j = 0; j < num_bytes; j++) |
| 1348 | printk(BIOS_SPEW, "%c", |
| 1349 | isprint(line[j]) ? line[j] : '.'); |
| 1350 | printk(BIOS_SPEW, "\n"); |
| 1351 | } |
| 1352 | } |
| 1353 | |
| 1354 | static void acpidump_print(void *table_ptr) |
| 1355 | { |
| 1356 | const acpi_header_t *header = (acpi_header_t *)table_ptr; |
| 1357 | const size_t table_size = header->length; |
| 1358 | printk(BIOS_SPEW, "%.4s @ 0x0000000000000000\n", header->signature); |
| 1359 | acpixtract_compatible_hexdump(table_ptr, table_size); |
| 1360 | printk(BIOS_SPEW, "\n"); |
| 1361 | } |
| 1362 | |
Arthur Heymans | 7ebebf7 | 2023-06-17 14:08:46 +0200 | [diff] [blame] | 1363 | unsigned long write_acpi_tables(const unsigned long start) |
Vladimir Serbinenko | 2d7bd8a | 2014-08-30 19:28:05 +0200 | [diff] [blame] | 1364 | { |
| 1365 | unsigned long current; |
| 1366 | acpi_rsdp_t *rsdp; |
Arthur Heymans | 0ad766c | 2023-06-07 10:45:59 +0200 | [diff] [blame] | 1367 | acpi_rsdt_t *rsdt = NULL; |
| 1368 | acpi_xsdt_t *xsdt = NULL; |
Arthur Heymans | 0ad766c | 2023-06-07 10:45:59 +0200 | [diff] [blame] | 1369 | acpi_facs_t *facs = NULL; |
Arthur Heymans | 01af0f8 | 2023-06-27 11:58:04 +0200 | [diff] [blame] | 1370 | acpi_header_t *slic_file; |
Arthur Heymans | 0ad766c | 2023-06-07 10:45:59 +0200 | [diff] [blame] | 1371 | acpi_header_t *ssdt = NULL; |
Arthur Heymans | 01af0f8 | 2023-06-27 11:58:04 +0200 | [diff] [blame] | 1372 | acpi_header_t *dsdt_file; |
Edward O'Callaghan | 2c9d2cf | 2014-10-27 23:29:29 +1100 | [diff] [blame] | 1373 | struct device *dev; |
Vladimir Serbinenko | 41877d8 | 2014-09-01 22:18:01 +0200 | [diff] [blame] | 1374 | unsigned long fw; |
Vladimir Serbinenko | 36f8d27 | 2015-05-31 12:31:59 +0200 | [diff] [blame] | 1375 | size_t slic_size, dsdt_size; |
Vladimir Serbinenko | 351fefc | 2014-10-26 20:42:08 +0100 | [diff] [blame] | 1376 | char oem_id[6], oem_table_id[8]; |
Vladimir Serbinenko | 2d7bd8a | 2014-08-30 19:28:05 +0200 | [diff] [blame] | 1377 | |
Arthur Heymans | 01af0f8 | 2023-06-27 11:58:04 +0200 | [diff] [blame] | 1378 | const struct acpi_table_generator { |
| 1379 | void (*create_table)(acpi_header_t *table, void *arg); |
| 1380 | void *args; |
| 1381 | size_t min_size; |
| 1382 | } tables[] = { |
| 1383 | { acpi_create_dsdt, &dsdt_file, sizeof(acpi_header_t) }, |
| 1384 | { acpi_create_fadt, &facs, sizeof(acpi_fadt_t) }, |
| 1385 | { acpi_create_slic, &slic_file, sizeof(acpi_header_t) }, |
| 1386 | { acpi_create_ssdt_generator, NULL, sizeof(acpi_header_t) }, |
| 1387 | { acpi_create_mcfg, NULL, sizeof(acpi_mcfg_t) }, |
| 1388 | { acpi_create_tcpa, NULL, sizeof(acpi_tcpa_t) }, |
| 1389 | { acpi_create_tpm2, NULL, sizeof(acpi_tpm2_t) }, |
| 1390 | { acpi_create_lpit, NULL, sizeof(acpi_lpit_t) }, |
| 1391 | { acpi_create_madt, NULL, sizeof(acpi_header_t) }, |
| 1392 | { acpi_create_bert, NULL, sizeof(acpi_bert_t) }, |
| 1393 | { acpi_create_spcr, NULL, sizeof(acpi_spcr_t) }, |
Arthur Heymans | 2e3cb63 | 2023-06-30 15:01:08 +0200 | [diff] [blame] | 1394 | { acpi_create_gtdt, NULL, sizeof(acpi_gtdt_t) }, |
Arthur Heymans | 01af0f8 | 2023-06-27 11:58:04 +0200 | [diff] [blame] | 1395 | }; |
| 1396 | |
Vladimir Serbinenko | 2d7bd8a | 2014-08-30 19:28:05 +0200 | [diff] [blame] | 1397 | current = start; |
| 1398 | |
| 1399 | /* Align ACPI tables to 16byte */ |
Aaron Durbin | 07a1b28 | 2015-12-10 17:07:38 -0600 | [diff] [blame] | 1400 | current = acpi_align_current(current); |
Vladimir Serbinenko | 2d7bd8a | 2014-08-30 19:28:05 +0200 | [diff] [blame] | 1401 | |
Patrick Rudolph | cfe08ff | 2019-09-10 15:40:47 +0200 | [diff] [blame] | 1402 | /* Special case for qemu */ |
Vladimir Serbinenko | 41877d8 | 2014-09-01 22:18:01 +0200 | [diff] [blame] | 1403 | fw = fw_cfg_acpi_tables(current); |
Patrick Rudolph | cfe08ff | 2019-09-10 15:40:47 +0200 | [diff] [blame] | 1404 | if (fw) { |
| 1405 | rsdp = NULL; |
| 1406 | /* Find RSDP. */ |
| 1407 | for (void *p = (void *)current; p < (void *)fw; p += 16) { |
| 1408 | if (valid_rsdp((acpi_rsdp_t *)p)) { |
| 1409 | rsdp = p; |
Bin Meng | f3027b8 | 2023-05-09 15:21:49 +0800 | [diff] [blame] | 1410 | coreboot_rsdp = (uintptr_t)rsdp; |
Patrick Rudolph | cfe08ff | 2019-09-10 15:40:47 +0200 | [diff] [blame] | 1411 | break; |
| 1412 | } |
| 1413 | } |
| 1414 | if (!rsdp) |
| 1415 | return fw; |
| 1416 | |
| 1417 | /* Add BOOT0000 for Linux google firmware driver */ |
| 1418 | printk(BIOS_DEBUG, "ACPI: * SSDT\n"); |
| 1419 | ssdt = (acpi_header_t *)fw; |
| 1420 | current = (unsigned long)ssdt + sizeof(acpi_header_t); |
| 1421 | |
| 1422 | memset((void *)ssdt, 0, sizeof(acpi_header_t)); |
| 1423 | |
| 1424 | memcpy(&ssdt->signature, "SSDT", 4); |
| 1425 | ssdt->revision = get_acpi_table_revision(SSDT); |
| 1426 | memcpy(&ssdt->oem_id, OEM_ID, 6); |
| 1427 | memcpy(&ssdt->oem_table_id, oem_table_id, 8); |
| 1428 | ssdt->oem_revision = 42; |
| 1429 | memcpy(&ssdt->asl_compiler_id, ASLC, 4); |
| 1430 | ssdt->asl_compiler_revision = asl_revision; |
| 1431 | ssdt->length = sizeof(acpi_header_t); |
| 1432 | |
Elyes Haouas | 3141fbad | 2022-11-18 15:22:32 +0100 | [diff] [blame] | 1433 | acpigen_set_current((char *)current); |
Patrick Rudolph | cfe08ff | 2019-09-10 15:40:47 +0200 | [diff] [blame] | 1434 | |
| 1435 | /* Write object to declare coreboot tables */ |
| 1436 | acpi_ssdt_write_cbtable(); |
| 1437 | |
| 1438 | /* (Re)calculate length and checksum. */ |
| 1439 | ssdt->length = current - (unsigned long)ssdt; |
| 1440 | ssdt->checksum = acpi_checksum((void *)ssdt, ssdt->length); |
| 1441 | |
Arthur Heymans | 01af0f8 | 2023-06-27 11:58:04 +0200 | [diff] [blame] | 1442 | acpi_create_ssdt_generator(ssdt, NULL); |
Patrick Rudolph | cfe08ff | 2019-09-10 15:40:47 +0200 | [diff] [blame] | 1443 | |
| 1444 | acpi_add_table(rsdp, ssdt); |
| 1445 | |
Vladimir Serbinenko | 41877d8 | 2014-09-01 22:18:01 +0200 | [diff] [blame] | 1446 | return fw; |
Patrick Rudolph | cfe08ff | 2019-09-10 15:40:47 +0200 | [diff] [blame] | 1447 | } |
Vladimir Serbinenko | 41877d8 | 2014-09-01 22:18:01 +0200 | [diff] [blame] | 1448 | |
Julius Werner | 834b3ec | 2020-03-04 16:52:08 -0800 | [diff] [blame] | 1449 | dsdt_file = cbfs_map(CONFIG_CBFS_PREFIX "/dsdt.aml", &dsdt_size); |
Vladimir Serbinenko | 36f8d27 | 2015-05-31 12:31:59 +0200 | [diff] [blame] | 1450 | if (!dsdt_file) { |
| 1451 | printk(BIOS_ERR, "No DSDT file, skipping ACPI tables\n"); |
Arthur Heymans | 0600aa6 | 2023-06-17 14:13:54 +0200 | [diff] [blame] | 1452 | return start; |
Vladimir Serbinenko | 36f8d27 | 2015-05-31 12:31:59 +0200 | [diff] [blame] | 1453 | } |
| 1454 | |
| 1455 | if (dsdt_file->length > dsdt_size |
Elyes HAOUAS | 7d87e76 | 2016-10-03 22:11:07 +0200 | [diff] [blame] | 1456 | || dsdt_file->length < sizeof(acpi_header_t) |
Vladimir Serbinenko | 36f8d27 | 2015-05-31 12:31:59 +0200 | [diff] [blame] | 1457 | || memcmp(dsdt_file->signature, "DSDT", 4) != 0) { |
| 1458 | printk(BIOS_ERR, "Invalid DSDT file, skipping ACPI tables\n"); |
Grzegorz Bernacki | 042ac35 | 2023-04-21 13:19:58 +0000 | [diff] [blame] | 1459 | cbfs_unmap(dsdt_file); |
Arthur Heymans | 0600aa6 | 2023-06-17 14:13:54 +0200 | [diff] [blame] | 1460 | return start; |
Vladimir Serbinenko | 36f8d27 | 2015-05-31 12:31:59 +0200 | [diff] [blame] | 1461 | } |
| 1462 | |
Julius Werner | 834b3ec | 2020-03-04 16:52:08 -0800 | [diff] [blame] | 1463 | slic_file = cbfs_map(CONFIG_CBFS_PREFIX "/slic", &slic_size); |
Vladimir Serbinenko | 2cb2978 | 2015-05-31 11:32:09 +0200 | [diff] [blame] | 1464 | if (slic_file |
| 1465 | && (slic_file->length > slic_size |
Elyes HAOUAS | 7d87e76 | 2016-10-03 22:11:07 +0200 | [diff] [blame] | 1466 | || slic_file->length < sizeof(acpi_header_t) |
Benjamin Doron | 2b2dc0c | 2020-09-12 02:55:57 +0000 | [diff] [blame] | 1467 | || (memcmp(slic_file->signature, "SLIC", 4) != 0 |
| 1468 | && memcmp(slic_file->signature, "MSDM", 4) != 0))) { |
Grzegorz Bernacki | 042ac35 | 2023-04-21 13:19:58 +0000 | [diff] [blame] | 1469 | cbfs_unmap(slic_file); |
Vladimir Serbinenko | 351fefc | 2014-10-26 20:42:08 +0100 | [diff] [blame] | 1470 | slic_file = 0; |
| 1471 | } |
| 1472 | |
| 1473 | if (slic_file) { |
| 1474 | memcpy(oem_id, slic_file->oem_id, 6); |
| 1475 | memcpy(oem_table_id, slic_file->oem_table_id, 8); |
| 1476 | } else { |
| 1477 | memcpy(oem_id, OEM_ID, 6); |
| 1478 | memcpy(oem_table_id, ACPI_TABLE_CREATOR, 8); |
| 1479 | } |
| 1480 | |
Vladimir Serbinenko | 2d7bd8a | 2014-08-30 19:28:05 +0200 | [diff] [blame] | 1481 | printk(BIOS_INFO, "ACPI: Writing ACPI tables at %lx.\n", start); |
| 1482 | |
| 1483 | /* We need at least an RSDP and an RSDT Table */ |
Elyes Haouas | 3141fbad | 2022-11-18 15:22:32 +0100 | [diff] [blame] | 1484 | rsdp = (acpi_rsdp_t *)current; |
Arthur Heymans | 2e7e2d9 | 2022-03-03 22:28:27 +0100 | [diff] [blame] | 1485 | coreboot_rsdp = (uintptr_t)rsdp; |
Vladimir Serbinenko | 2d7bd8a | 2014-08-30 19:28:05 +0200 | [diff] [blame] | 1486 | current += sizeof(acpi_rsdp_t); |
Aaron Durbin | 07a1b28 | 2015-12-10 17:07:38 -0600 | [diff] [blame] | 1487 | current = acpi_align_current(current); |
Elyes Haouas | 3141fbad | 2022-11-18 15:22:32 +0100 | [diff] [blame] | 1488 | rsdt = (acpi_rsdt_t *)current; |
Vladimir Serbinenko | 2d7bd8a | 2014-08-30 19:28:05 +0200 | [diff] [blame] | 1489 | current += sizeof(acpi_rsdt_t); |
Aaron Durbin | 07a1b28 | 2015-12-10 17:07:38 -0600 | [diff] [blame] | 1490 | current = acpi_align_current(current); |
Elyes Haouas | 3141fbad | 2022-11-18 15:22:32 +0100 | [diff] [blame] | 1491 | xsdt = (acpi_xsdt_t *)current; |
Vladimir Serbinenko | 2d7bd8a | 2014-08-30 19:28:05 +0200 | [diff] [blame] | 1492 | current += sizeof(acpi_xsdt_t); |
Aaron Durbin | 07a1b28 | 2015-12-10 17:07:38 -0600 | [diff] [blame] | 1493 | current = acpi_align_current(current); |
Vladimir Serbinenko | 2d7bd8a | 2014-08-30 19:28:05 +0200 | [diff] [blame] | 1494 | |
| 1495 | /* clear all table memory */ |
Elyes Haouas | 3141fbad | 2022-11-18 15:22:32 +0100 | [diff] [blame] | 1496 | memset((void *)start, 0, current - start); |
Vladimir Serbinenko | 2d7bd8a | 2014-08-30 19:28:05 +0200 | [diff] [blame] | 1497 | |
Vladimir Serbinenko | 351fefc | 2014-10-26 20:42:08 +0100 | [diff] [blame] | 1498 | acpi_write_rsdp(rsdp, rsdt, xsdt, oem_id); |
| 1499 | acpi_write_rsdt(rsdt, oem_id, oem_table_id); |
| 1500 | acpi_write_xsdt(xsdt, oem_id, oem_table_id); |
Vladimir Serbinenko | 2d7bd8a | 2014-08-30 19:28:05 +0200 | [diff] [blame] | 1501 | |
Arthur Heymans | 6af7261 | 2023-06-29 20:25:32 +0200 | [diff] [blame^] | 1502 | if (ENV_X86) { |
| 1503 | printk(BIOS_DEBUG, "ACPI: * FACS\n"); |
| 1504 | current = ALIGN_UP(current, 64); |
| 1505 | facs = (acpi_facs_t *)current; |
| 1506 | current += sizeof(acpi_facs_t); |
| 1507 | current = acpi_align_current(current); |
| 1508 | acpi_create_facs(facs); |
| 1509 | } |
Vladimir Serbinenko | 2d7bd8a | 2014-08-30 19:28:05 +0200 | [diff] [blame] | 1510 | |
Arthur Heymans | 01af0f8 | 2023-06-27 11:58:04 +0200 | [diff] [blame] | 1511 | for (size_t i = 0; i < ARRAY_SIZE(tables); i++) { |
| 1512 | acpi_header_t *header = (acpi_header_t *)current; |
| 1513 | memset(header, 0, tables[i].min_size); |
| 1514 | tables[i].create_table(header, tables[i].args); |
| 1515 | if (header->length < tables[i].min_size) |
| 1516 | continue; |
| 1517 | header->checksum = 0; |
| 1518 | header->checksum = acpi_checksum((void *)header, header->length); |
| 1519 | current += header->length; |
Aaron Durbin | 07a1b28 | 2015-12-10 17:07:38 -0600 | [diff] [blame] | 1520 | current = acpi_align_current(current); |
Kyösti Mälkki | 0bcdd40 | 2023-07-06 14:47:07 +0300 | [diff] [blame] | 1521 | |
| 1522 | if (tables[i].create_table == acpi_create_dsdt) |
| 1523 | continue; |
| 1524 | |
Arthur Heymans | 01af0f8 | 2023-06-27 11:58:04 +0200 | [diff] [blame] | 1525 | printk(BIOS_DEBUG, "ACPI: * %.4s\n", header->signature); |
| 1526 | acpi_add_table(rsdp, header); |
Vladimir Serbinenko | 351fefc | 2014-10-26 20:42:08 +0100 | [diff] [blame] | 1527 | } |
Vladimir Serbinenko | 2d7bd8a | 2014-08-30 19:28:05 +0200 | [diff] [blame] | 1528 | |
Grzegorz Bernacki | 042ac35 | 2023-04-21 13:19:58 +0000 | [diff] [blame] | 1529 | /* |
| 1530 | * cbfs_unmap() uses mem_pool_free() which works correctly only |
| 1531 | * if freeing is done in reverse order than memory allocation. |
| 1532 | * This is why unmapping of dsdt_file must be done after |
| 1533 | * unmapping slic file. |
| 1534 | */ |
Arthur Heymans | 01af0f8 | 2023-06-27 11:58:04 +0200 | [diff] [blame] | 1535 | cbfs_unmap(slic_file); |
Grzegorz Bernacki | 042ac35 | 2023-04-21 13:19:58 +0000 | [diff] [blame] | 1536 | cbfs_unmap(dsdt_file); |
| 1537 | |
Vladimir Serbinenko | 2d7bd8a | 2014-08-30 19:28:05 +0200 | [diff] [blame] | 1538 | printk(BIOS_DEBUG, "current = %lx\n", current); |
| 1539 | |
| 1540 | for (dev = all_devices; dev; dev = dev->next) { |
| 1541 | if (dev->ops && dev->ops->write_acpi_tables) { |
Lee Leahy | 6f80ccc | 2017-03-16 15:18:22 -0700 | [diff] [blame] | 1542 | current = dev->ops->write_acpi_tables(dev, current, |
| 1543 | rsdp); |
Aaron Durbin | 07a1b28 | 2015-12-10 17:07:38 -0600 | [diff] [blame] | 1544 | current = acpi_align_current(current); |
Vladimir Serbinenko | 2d7bd8a | 2014-08-30 19:28:05 +0200 | [diff] [blame] | 1545 | } |
| 1546 | } |
| 1547 | |
| 1548 | printk(BIOS_INFO, "ACPI: done.\n"); |
Arthur Heymans | 0ad766c | 2023-06-07 10:45:59 +0200 | [diff] [blame] | 1549 | |
| 1550 | if (CONFIG(DEBUG_ACPICA_COMPATIBLE)) { |
| 1551 | printk(BIOS_DEBUG, "Printing ACPI tables in ACPICA compatible format\n"); |
Arthur Heymans | 3e523b4 | 2023-06-15 17:04:16 +0200 | [diff] [blame] | 1552 | for (size_t i = 0; xsdt->entry[i] != 0; i++) { |
| 1553 | acpidump_print((void *)(uintptr_t)xsdt->entry[i]); |
Arthur Heymans | 0ad766c | 2023-06-07 10:45:59 +0200 | [diff] [blame] | 1554 | } |
| 1555 | printk(BIOS_DEBUG, "Done printing ACPI tables in ACPICA compatible format\n"); |
| 1556 | } |
| 1557 | |
Vladimir Serbinenko | 2d7bd8a | 2014-08-30 19:28:05 +0200 | [diff] [blame] | 1558 | return current; |
| 1559 | } |
Vladimir Serbinenko | 2d7bd8a | 2014-08-30 19:28:05 +0200 | [diff] [blame] | 1560 | |
Rudolf Marek | 33cafe5 | 2009-04-13 18:07:02 +0000 | [diff] [blame] | 1561 | static acpi_rsdp_t *valid_rsdp(acpi_rsdp_t *rsdp) |
| 1562 | { |
| 1563 | if (strncmp((char *)rsdp, RSDP_SIG, sizeof(RSDP_SIG) - 1) != 0) |
| 1564 | return NULL; |
| 1565 | |
Stefan Reinauer | c02b4fc | 2010-03-22 11:42:32 +0000 | [diff] [blame] | 1566 | printk(BIOS_DEBUG, "Looking on %p for valid checksum\n", rsdp); |
Rudolf Marek | 33cafe5 | 2009-04-13 18:07:02 +0000 | [diff] [blame] | 1567 | |
| 1568 | if (acpi_checksum((void *)rsdp, 20) != 0) |
| 1569 | return NULL; |
Stefan Reinauer | c02b4fc | 2010-03-22 11:42:32 +0000 | [diff] [blame] | 1570 | printk(BIOS_DEBUG, "Checksum 1 passed\n"); |
Rudolf Marek | 33cafe5 | 2009-04-13 18:07:02 +0000 | [diff] [blame] | 1571 | |
| 1572 | if ((rsdp->revision > 1) && (acpi_checksum((void *)rsdp, |
| 1573 | rsdp->length) != 0)) |
| 1574 | return NULL; |
Stefan Reinauer | c02b4fc | 2010-03-22 11:42:32 +0000 | [diff] [blame] | 1575 | printk(BIOS_DEBUG, "Checksum 2 passed all OK\n"); |
Rudolf Marek | 33cafe5 | 2009-04-13 18:07:02 +0000 | [diff] [blame] | 1576 | |
| 1577 | return rsdp; |
| 1578 | } |
| 1579 | |
Rudolf Marek | 33cafe5 | 2009-04-13 18:07:02 +0000 | [diff] [blame] | 1580 | void *acpi_find_wakeup_vector(void) |
| 1581 | { |
| 1582 | char *p, *end; |
Rudolf Marek | 33cafe5 | 2009-04-13 18:07:02 +0000 | [diff] [blame] | 1583 | acpi_rsdt_t *rsdt; |
| 1584 | acpi_facs_t *facs; |
Martin Roth | c5f4926 | 2012-12-14 19:17:55 -0700 | [diff] [blame] | 1585 | acpi_fadt_t *fadt = NULL; |
Kyösti Mälkki | 072d436b | 2016-06-17 08:44:40 +0300 | [diff] [blame] | 1586 | acpi_rsdp_t *rsdp = NULL; |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 1587 | void *wake_vec; |
Rudolf Marek | 33cafe5 | 2009-04-13 18:07:02 +0000 | [diff] [blame] | 1588 | int i; |
| 1589 | |
Kyösti Mälkki | b8c7ea0 | 2020-11-17 16:41:38 +0200 | [diff] [blame] | 1590 | if (!acpi_is_wakeup_s3()) |
Rudolf Marek | 33cafe5 | 2009-04-13 18:07:02 +0000 | [diff] [blame] | 1591 | return NULL; |
| 1592 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 1593 | printk(BIOS_DEBUG, "Trying to find the wakeup vector...\n"); |
Rudolf Marek | 33cafe5 | 2009-04-13 18:07:02 +0000 | [diff] [blame] | 1594 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 1595 | /* Find RSDP. */ |
| 1596 | for (p = (char *)0xe0000; p < (char *)0xfffff; p += 16) { |
Lee Leahy | 0b5678f | 2017-03-16 16:01:40 -0700 | [diff] [blame] | 1597 | rsdp = valid_rsdp((acpi_rsdp_t *)p); |
| 1598 | if (rsdp) |
Rudolf Marek | 33cafe5 | 2009-04-13 18:07:02 +0000 | [diff] [blame] | 1599 | break; |
| 1600 | } |
| 1601 | |
Angel Pons | 98a68ad | 2018-11-04 12:25:25 +0100 | [diff] [blame] | 1602 | if (rsdp == NULL) { |
| 1603 | printk(BIOS_ALERT, |
| 1604 | "No RSDP found, wake up from S3 not possible.\n"); |
Rudolf Marek | 33cafe5 | 2009-04-13 18:07:02 +0000 | [diff] [blame] | 1605 | return NULL; |
Angel Pons | 98a68ad | 2018-11-04 12:25:25 +0100 | [diff] [blame] | 1606 | } |
Rudolf Marek | 33cafe5 | 2009-04-13 18:07:02 +0000 | [diff] [blame] | 1607 | |
Stefan Reinauer | c02b4fc | 2010-03-22 11:42:32 +0000 | [diff] [blame] | 1608 | printk(BIOS_DEBUG, "RSDP found at %p\n", rsdp); |
Stefan Reinauer | 71a3018 | 2015-07-30 16:28:13 -0700 | [diff] [blame] | 1609 | rsdt = (acpi_rsdt_t *)(uintptr_t)rsdp->rsdt_address; |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1610 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 1611 | end = (char *)rsdt + rsdt->header.length; |
Stefan Reinauer | c02b4fc | 2010-03-22 11:42:32 +0000 | [diff] [blame] | 1612 | printk(BIOS_DEBUG, "RSDT found at %p ends at %p\n", rsdt, end); |
Rudolf Marek | 33cafe5 | 2009-04-13 18:07:02 +0000 | [diff] [blame] | 1613 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 1614 | for (i = 0; ((char *)&rsdt->entry[i]) < end; i++) { |
Stefan Reinauer | 71a3018 | 2015-07-30 16:28:13 -0700 | [diff] [blame] | 1615 | fadt = (acpi_fadt_t *)(uintptr_t)rsdt->entry[i]; |
Stefan Reinauer | cdfe376 | 2009-07-21 22:15:43 +0000 | [diff] [blame] | 1616 | if (strncmp((char *)fadt, "FACP", 4) == 0) |
Rudolf Marek | 33cafe5 | 2009-04-13 18:07:02 +0000 | [diff] [blame] | 1617 | break; |
| 1618 | fadt = NULL; |
| 1619 | } |
| 1620 | |
Angel Pons | 98a68ad | 2018-11-04 12:25:25 +0100 | [diff] [blame] | 1621 | if (fadt == NULL) { |
| 1622 | printk(BIOS_ALERT, |
| 1623 | "No FADT found, wake up from S3 not possible.\n"); |
Rudolf Marek | 33cafe5 | 2009-04-13 18:07:02 +0000 | [diff] [blame] | 1624 | return NULL; |
Angel Pons | 98a68ad | 2018-11-04 12:25:25 +0100 | [diff] [blame] | 1625 | } |
Rudolf Marek | 33cafe5 | 2009-04-13 18:07:02 +0000 | [diff] [blame] | 1626 | |
Stefan Reinauer | c02b4fc | 2010-03-22 11:42:32 +0000 | [diff] [blame] | 1627 | printk(BIOS_DEBUG, "FADT found at %p\n", fadt); |
Stefan Reinauer | 71a3018 | 2015-07-30 16:28:13 -0700 | [diff] [blame] | 1628 | facs = (acpi_facs_t *)(uintptr_t)fadt->firmware_ctrl; |
Rudolf Marek | 33cafe5 | 2009-04-13 18:07:02 +0000 | [diff] [blame] | 1629 | |
Stefan Reinauer | 7e9771c | 2009-04-22 08:17:38 +0000 | [diff] [blame] | 1630 | if (facs == NULL) { |
Angel Pons | 98a68ad | 2018-11-04 12:25:25 +0100 | [diff] [blame] | 1631 | printk(BIOS_ALERT, |
| 1632 | "No FACS found, wake up from S3 not possible.\n"); |
Rudolf Marek | 33cafe5 | 2009-04-13 18:07:02 +0000 | [diff] [blame] | 1633 | return NULL; |
Stefan Reinauer | 7e9771c | 2009-04-22 08:17:38 +0000 | [diff] [blame] | 1634 | } |
Rudolf Marek | 33cafe5 | 2009-04-13 18:07:02 +0000 | [diff] [blame] | 1635 | |
Stefan Reinauer | c02b4fc | 2010-03-22 11:42:32 +0000 | [diff] [blame] | 1636 | printk(BIOS_DEBUG, "FACS found at %p\n", facs); |
Stefan Reinauer | 71a3018 | 2015-07-30 16:28:13 -0700 | [diff] [blame] | 1637 | wake_vec = (void *)(uintptr_t)facs->firmware_waking_vector; |
Stefan Reinauer | c02b4fc | 2010-03-22 11:42:32 +0000 | [diff] [blame] | 1638 | printk(BIOS_DEBUG, "OS waking vector is %p\n", wake_vec); |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 1639 | |
Rudolf Marek | 33cafe5 | 2009-04-13 18:07:02 +0000 | [diff] [blame] | 1640 | return wake_vec; |
| 1641 | } |
| 1642 | |
Aaron Durbin | 6403167 | 2018-04-21 14:45:32 -0600 | [diff] [blame] | 1643 | __weak int acpi_get_gpe(int gpe) |
Duncan Laurie | 1f6e681 | 2016-09-19 12:04:19 -0700 | [diff] [blame] | 1644 | { |
| 1645 | return -1; /* implemented by SOC */ |
| 1646 | } |
Marc Jones | 93a5176 | 2018-08-22 18:57:24 -0600 | [diff] [blame] | 1647 | |
Elyes Haouas | 8b950f4 | 2022-02-16 12:08:16 +0100 | [diff] [blame] | 1648 | u8 get_acpi_fadt_minor_version(void) |
| 1649 | { |
| 1650 | return ACPI_FADT_MINOR_VERSION_0; |
| 1651 | } |
| 1652 | |
Marc Jones | 93a5176 | 2018-08-22 18:57:24 -0600 | [diff] [blame] | 1653 | int get_acpi_table_revision(enum acpi_tables table) |
| 1654 | { |
| 1655 | switch (table) { |
| 1656 | case FADT: |
Elyes Haouas | 8b950f4 | 2022-02-16 12:08:16 +0100 | [diff] [blame] | 1657 | return ACPI_FADT_REV_ACPI_6; |
Elyes HAOUAS | f288b39 | 2018-11-11 15:22:30 +0100 | [diff] [blame] | 1658 | case MADT: /* ACPI 3.0: 2, ACPI 4.0/5.0: 3, ACPI 6.2b/6.3: 5 */ |
Patrick Rudolph | 56a3ef2 | 2020-03-24 17:29:49 +0100 | [diff] [blame] | 1659 | return 3; |
Marc Jones | 93a5176 | 2018-08-22 18:57:24 -0600 | [diff] [blame] | 1660 | case MCFG: |
| 1661 | return 1; |
| 1662 | case TCPA: |
| 1663 | return 2; |
Philipp Deppenwiese | 296164e0 | 2018-10-18 15:39:34 +0200 | [diff] [blame] | 1664 | case TPM2: |
| 1665 | return 4; |
Martin Roth | 0949e73 | 2021-10-01 14:28:22 -0600 | [diff] [blame] | 1666 | case SSDT: /* ACPI 3.0 up to 6.3: 2 */ |
Marc Jones | 93a5176 | 2018-08-22 18:57:24 -0600 | [diff] [blame] | 1667 | return 2; |
Jonathan Zhang | a3311b9 | 2022-12-01 17:13:41 -0800 | [diff] [blame] | 1668 | case SRAT: /* ACPI 2.0: 1, ACPI 3.0: 2, ACPI 4.0 up to 6.4: 3 */ |
| 1669 | return 3; |
Jonathan Zhang | 2a4e1f4 | 2021-04-01 11:43:37 -0700 | [diff] [blame] | 1670 | case HMAT: /* ACPI 6.4: 2 */ |
| 1671 | return 2; |
Marc Jones | 93a5176 | 2018-08-22 18:57:24 -0600 | [diff] [blame] | 1672 | case DMAR: |
| 1673 | return 1; |
Martin Roth | 0949e73 | 2021-10-01 14:28:22 -0600 | [diff] [blame] | 1674 | case SLIT: /* ACPI 2.0 up to 6.3: 1 */ |
Marc Jones | 93a5176 | 2018-08-22 18:57:24 -0600 | [diff] [blame] | 1675 | return 1; |
Patrick Rudolph | 9d98e5a | 2019-06-14 19:00:04 +0200 | [diff] [blame] | 1676 | case SPMI: /* IMPI 2.0 */ |
| 1677 | return 5; |
Marc Jones | 93a5176 | 2018-08-22 18:57:24 -0600 | [diff] [blame] | 1678 | case HPET: /* Currently 1. Table added in ACPI 2.0. */ |
| 1679 | return 1; |
Elyes HAOUAS | f288b39 | 2018-11-11 15:22:30 +0100 | [diff] [blame] | 1680 | case VFCT: /* ACPI 2.0/3.0/4.0: 1 */ |
Marc Jones | 93a5176 | 2018-08-22 18:57:24 -0600 | [diff] [blame] | 1681 | return 1; |
| 1682 | case IVRS: |
Jason Glenesk | 1916f89 | 2020-07-24 02:51:30 -0700 | [diff] [blame] | 1683 | return IVRS_FORMAT_MIXED; |
Marc Jones | 93a5176 | 2018-08-22 18:57:24 -0600 | [diff] [blame] | 1684 | case DBG2: |
| 1685 | return 0; |
Martin Roth | 0949e73 | 2021-10-01 14:28:22 -0600 | [diff] [blame] | 1686 | case FACS: /* ACPI 2.0/3.0: 1, ACPI 4.0 up to 6.3: 2 */ |
Marc Jones | 93a5176 | 2018-08-22 18:57:24 -0600 | [diff] [blame] | 1687 | return 1; |
Martin Roth | 0949e73 | 2021-10-01 14:28:22 -0600 | [diff] [blame] | 1688 | case RSDT: /* ACPI 1.0 up to 6.3: 1 */ |
Marc Jones | 93a5176 | 2018-08-22 18:57:24 -0600 | [diff] [blame] | 1689 | return 1; |
Martin Roth | 0949e73 | 2021-10-01 14:28:22 -0600 | [diff] [blame] | 1690 | case XSDT: /* ACPI 2.0 up to 6.3: 1 */ |
Marc Jones | 93a5176 | 2018-08-22 18:57:24 -0600 | [diff] [blame] | 1691 | return 1; |
Martin Roth | 0949e73 | 2021-10-01 14:28:22 -0600 | [diff] [blame] | 1692 | case RSDP: /* ACPI 2.0 up to 6.3: 2 */ |
Marc Jones | 93a5176 | 2018-08-22 18:57:24 -0600 | [diff] [blame] | 1693 | return 2; |
Rocky Phagura | eff0713 | 2021-01-10 15:42:50 -0800 | [diff] [blame] | 1694 | case EINJ: |
| 1695 | return 1; |
Marc Jones | 93a5176 | 2018-08-22 18:57:24 -0600 | [diff] [blame] | 1696 | case HEST: |
| 1697 | return 1; |
| 1698 | case NHLT: |
| 1699 | return 5; |
Marshall Dawson | 44705c6 | 2018-09-04 13:47:15 -0600 | [diff] [blame] | 1700 | case BERT: |
| 1701 | return 1; |
Jonathan Zhang | a3311b9 | 2022-12-01 17:13:41 -0800 | [diff] [blame] | 1702 | case CEDT: /* CXL 3.0 section 9.17.1 */ |
| 1703 | return 1; |
Jason Glenesk | 61624b2 | 2020-11-02 20:06:23 -0800 | [diff] [blame] | 1704 | case CRAT: |
| 1705 | return 1; |
Michael Niewöhner | f0a44ae | 2021-01-01 21:04:09 +0100 | [diff] [blame] | 1706 | case LPIT: /* ACPI 5.1 up to 6.3: 0 */ |
| 1707 | return 0; |
Arthur Heymans | 9046407 | 2023-06-07 12:53:50 +0200 | [diff] [blame] | 1708 | case SPCR: |
| 1709 | return 4; |
Arthur Heymans | 2e3cb63 | 2023-06-30 15:01:08 +0200 | [diff] [blame] | 1710 | case GTDT: |
| 1711 | return 3; |
Marc Jones | 93a5176 | 2018-08-22 18:57:24 -0600 | [diff] [blame] | 1712 | default: |
| 1713 | return -1; |
| 1714 | } |
| 1715 | return -1; |
| 1716 | } |