Stefan Reinauer | 688b385 | 2004-01-28 16:56:14 +0000 | [diff] [blame] | 1 | /* |
Uwe Hermann | c70e9fc | 2010-02-15 23:10:19 +0000 | [diff] [blame] | 2 | * This file is part of the coreboot project. |
| 3 | * |
Stefan Reinauer | f8ee180 | 2008-01-18 15:08:58 +0000 | [diff] [blame] | 4 | * coreboot ACPI Table support |
Stefan Reinauer | 688b385 | 2004-01-28 16:56:14 +0000 | [diff] [blame] | 5 | * written by Stefan Reinauer <stepan@openbios.org> |
Uwe Hermann | c70e9fc | 2010-02-15 23:10:19 +0000 | [diff] [blame] | 6 | * |
| 7 | * Copyright (C) 2004 SUSE LINUX AG |
| 8 | * Copyright (C) 2005-2009 coresystems GmbH |
Timothy Pearson | ff8ccf0 | 2015-08-11 17:48:32 -0500 | [diff] [blame] | 9 | * Copyright (C) 2015 Timothy Pearson <tpearson@raptorengineeringinc.com>, Raptor Engineering |
Werner Zeh | d4d7695 | 2016-07-27 06:56:36 +0200 | [diff] [blame] | 10 | * Copyright (C) 2016 Siemens AG |
Stefan Reinauer | 777224c | 2005-01-19 14:06:41 +0000 | [diff] [blame] | 11 | * |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 12 | * ACPI FADT, FACS, and DSDT table support added by |
Ronald G. Minnich | 02fa3b2 | 2004-10-06 17:33:54 +0000 | [diff] [blame] | 13 | * Nick Barker <nick.barker9@btinternet.com>, and those portions |
Uwe Hermann | c70e9fc | 2010-02-15 23:10:19 +0000 | [diff] [blame] | 14 | * Copyright (C) 2004 Nick Barker |
Stefan Reinauer | f622d59 | 2005-11-26 16:56:05 +0000 | [diff] [blame] | 15 | * |
Uwe Hermann | c70e9fc | 2010-02-15 23:10:19 +0000 | [diff] [blame] | 16 | * Copyright (C) 2005 ADVANCED MICRO DEVICES, INC. All Rights Reserved. |
Stefan Reinauer | d6edf7a | 2006-01-05 00:19:52 +0000 | [diff] [blame] | 17 | * 2005.9 yhlu add SRAT table generation |
Martin Roth | 9df9e939 | 2016-01-12 15:55:28 -0700 | [diff] [blame] | 18 | * |
| 19 | * This program is free software; you can redistribute it and/or modify |
| 20 | * it under the terms of the GNU General Public License as published by |
| 21 | * the Free Software Foundation; version 2 of the License. |
| 22 | * |
| 23 | * This program is distributed in the hope that it will be useful, |
| 24 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 25 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 26 | * GNU General Public License for more details. |
Stefan Reinauer | 777224c | 2005-01-19 14:06:41 +0000 | [diff] [blame] | 27 | */ |
| 28 | |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 29 | /* |
Stefan Reinauer | 777224c | 2005-01-19 14:06:41 +0000 | [diff] [blame] | 30 | * Each system port implementing ACPI has to provide two functions: |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 31 | * |
Stefan Reinauer | 777224c | 2005-01-19 14:06:41 +0000 | [diff] [blame] | 32 | * write_acpi_tables() |
| 33 | * acpi_dump_apics() |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 34 | * |
Stefan Reinauer | c0ac7e9 | 2009-11-10 22:17:15 +0000 | [diff] [blame] | 35 | * See Kontron 986LCD-M port for a good example of an ACPI implementation |
| 36 | * in coreboot. |
Ronald G. Minnich | 02fa3b2 | 2004-10-06 17:33:54 +0000 | [diff] [blame] | 37 | */ |
Stefan Reinauer | 688b385 | 2004-01-28 16:56:14 +0000 | [diff] [blame] | 38 | |
| 39 | #include <console/console.h> |
| 40 | #include <string.h> |
| 41 | #include <arch/acpi.h> |
Rudolf Marek | 293b5f5 | 2009-02-01 18:35:15 +0000 | [diff] [blame] | 42 | #include <arch/acpigen.h> |
Stefan Reinauer | 777224c | 2005-01-19 14:06:41 +0000 | [diff] [blame] | 43 | #include <device/pci.h> |
Stefan Reinauer | c0ac7e9 | 2009-11-10 22:17:15 +0000 | [diff] [blame] | 44 | #include <cbmem.h> |
Patrick Georgi | c8feedd | 2012-02-16 18:43:25 +0100 | [diff] [blame] | 45 | #include <cpu/x86/lapic_def.h> |
Duncan Laurie | 11290c4 | 2012-10-03 19:07:05 -0700 | [diff] [blame] | 46 | #include <cpu/cpu.h> |
Vladimir Serbinenko | 351fefc | 2014-10-26 20:42:08 +0100 | [diff] [blame] | 47 | #include <cbfs.h> |
Ronald G. Minnich | 02fa3b2 | 2004-10-06 17:33:54 +0000 | [diff] [blame] | 48 | |
| 49 | u8 acpi_checksum(u8 *table, u32 length) |
Stefan Reinauer | 688b385 | 2004-01-28 16:56:14 +0000 | [diff] [blame] | 50 | { |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 51 | u8 ret = 0; |
Stefan Reinauer | 688b385 | 2004-01-28 16:56:14 +0000 | [diff] [blame] | 52 | while (length--) { |
| 53 | ret += *table; |
| 54 | table++; |
| 55 | } |
Stefan Reinauer | a7648c2 | 2004-01-29 17:31:34 +0000 | [diff] [blame] | 56 | return -ret; |
Stefan Reinauer | 688b385 | 2004-01-28 16:56:14 +0000 | [diff] [blame] | 57 | } |
| 58 | |
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 | * Add an ACPI table to the RSDT (and XSDT) structure, recalculate length |
| 61 | * and checksum. |
Stefan Reinauer | 06feb88 | 2004-02-03 16:11:35 +0000 | [diff] [blame] | 62 | */ |
Stefan Reinauer | b657a3c | 2009-07-21 21:38:33 +0000 | [diff] [blame] | 63 | void acpi_add_table(acpi_rsdp_t *rsdp, void *table) |
Stefan Reinauer | 688b385 | 2004-01-28 16:56:14 +0000 | [diff] [blame] | 64 | { |
Stefan Reinauer | c0ac7e9 | 2009-11-10 22:17:15 +0000 | [diff] [blame] | 65 | int i, entries_num; |
Stefan Reinauer | b657a3c | 2009-07-21 21:38:33 +0000 | [diff] [blame] | 66 | acpi_rsdt_t *rsdt; |
| 67 | acpi_xsdt_t *xsdt = NULL; |
| 68 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 69 | /* The RSDT is mandatory... */ |
Stefan Reinauer | defee17 | 2015-06-18 01:11:19 -0700 | [diff] [blame] | 70 | rsdt = (acpi_rsdt_t *)(uintptr_t)rsdp->rsdt_address; |
Stefan Reinauer | c0ac7e9 | 2009-11-10 22:17:15 +0000 | [diff] [blame] | 71 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 72 | /* ...while the XSDT is not. */ |
| 73 | if (rsdp->xsdt_address) |
Stefan Reinauer | defee17 | 2015-06-18 01:11:19 -0700 | [diff] [blame] | 74 | xsdt = (acpi_xsdt_t *)((uintptr_t)rsdp->xsdt_address); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 75 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 76 | /* This should always be MAX_ACPI_TABLES. */ |
Stefan Reinauer | c0ac7e9 | 2009-11-10 22:17:15 +0000 | [diff] [blame] | 77 | entries_num = ARRAY_SIZE(rsdt->entry); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 78 | |
Stefan Reinauer | c0ac7e9 | 2009-11-10 22:17:15 +0000 | [diff] [blame] | 79 | for (i = 0; i < entries_num; i++) { |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 80 | if (rsdt->entry[i] == 0) |
Stefan Reinauer | c0ac7e9 | 2009-11-10 22:17:15 +0000 | [diff] [blame] | 81 | break; |
Stefan Reinauer | 688b385 | 2004-01-28 16:56:14 +0000 | [diff] [blame] | 82 | } |
| 83 | |
Stefan Reinauer | c0ac7e9 | 2009-11-10 22:17:15 +0000 | [diff] [blame] | 84 | if (i >= entries_num) { |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 85 | printk(BIOS_ERR, "ACPI: Error: Could not add ACPI table, " |
Cristian Măgherușan-Stanciu | ba48281 | 2011-07-02 00:57:07 +0300 | [diff] [blame] | 86 | "too many tables.\n"); |
Stefan Reinauer | c0ac7e9 | 2009-11-10 22:17:15 +0000 | [diff] [blame] | 87 | return; |
| 88 | } |
| 89 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 90 | /* Add table to the RSDT. */ |
Stefan Reinauer | defee17 | 2015-06-18 01:11:19 -0700 | [diff] [blame] | 91 | rsdt->entry[i] = (uintptr_t)table; |
Stefan Reinauer | c0ac7e9 | 2009-11-10 22:17:15 +0000 | [diff] [blame] | 92 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 93 | /* Fix RSDT length or the kernel will assume invalid entries. */ |
| 94 | rsdt->header.length = sizeof(acpi_header_t) + (sizeof(u32) * (i + 1)); |
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 | /* Re-calculate checksum. */ |
Stefan Reinauer | c0ac7e9 | 2009-11-10 22:17:15 +0000 | [diff] [blame] | 97 | rsdt->header.checksum = 0; /* Hope this won't get optimized away */ |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 98 | rsdt->header.checksum = acpi_checksum((u8 *)rsdt, rsdt->header.length); |
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 | /* |
| 101 | * 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] | 102 | * now we want the XSDT and RSDT to always be in sync in coreboot. |
| 103 | */ |
| 104 | if (xsdt) { |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 105 | /* Add table to the XSDT. */ |
Stefan Reinauer | defee17 | 2015-06-18 01:11:19 -0700 | [diff] [blame] | 106 | xsdt->entry[i] = (u64)(uintptr_t)table; |
Stefan Reinauer | c0ac7e9 | 2009-11-10 22:17:15 +0000 | [diff] [blame] | 107 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 108 | /* Fix XSDT length. */ |
Stefan Reinauer | c0ac7e9 | 2009-11-10 22:17:15 +0000 | [diff] [blame] | 109 | xsdt->header.length = sizeof(acpi_header_t) + |
Cristian Măgherușan-Stanciu | ba48281 | 2011-07-02 00:57:07 +0300 | [diff] [blame] | 110 | (sizeof(u64) * (i + 1)); |
Stefan Reinauer | c0ac7e9 | 2009-11-10 22:17:15 +0000 | [diff] [blame] | 111 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 112 | /* Re-calculate checksum. */ |
| 113 | xsdt->header.checksum = 0; |
| 114 | xsdt->header.checksum = acpi_checksum((u8 *)xsdt, |
Cristian Măgherușan-Stanciu | ba48281 | 2011-07-02 00:57:07 +0300 | [diff] [blame] | 115 | xsdt->header.length); |
Stefan Reinauer | c0ac7e9 | 2009-11-10 22:17:15 +0000 | [diff] [blame] | 116 | } |
| 117 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 118 | 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] | 119 | i + 1, entries_num, rsdt->header.length); |
Stefan Reinauer | 688b385 | 2004-01-28 16:56:14 +0000 | [diff] [blame] | 120 | } |
| 121 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 122 | 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] | 123 | u16 seg_nr, u8 start, u8 end) |
Stefan Reinauer | 26d431a | 2009-01-20 19:17:51 +0000 | [diff] [blame] | 124 | { |
Vladimir Serbinenko | 60fccdc | 2014-10-05 11:05:16 +0200 | [diff] [blame] | 125 | memset(mmconfig, 0, sizeof(*mmconfig)); |
Rudolf Marek | e6409f2 | 2007-11-03 12:50:26 +0000 | [diff] [blame] | 126 | mmconfig->base_address = base; |
| 127 | mmconfig->base_reserved = 0; |
| 128 | mmconfig->pci_segment_group_number = seg_nr; |
| 129 | mmconfig->start_bus_number = start; |
| 130 | mmconfig->end_bus_number = end; |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 131 | |
| 132 | return sizeof(acpi_mcfg_mmconfig_t); |
Rudolf Marek | e6409f2 | 2007-11-03 12:50:26 +0000 | [diff] [blame] | 133 | } |
| 134 | |
Stefan Reinauer | 777224c | 2005-01-19 14:06:41 +0000 | [diff] [blame] | 135 | int acpi_create_madt_lapic(acpi_madt_lapic_t *lapic, u8 cpu, u8 apic) |
Stefan Reinauer | 06feb88 | 2004-02-03 16:11:35 +0000 | [diff] [blame] | 136 | { |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 137 | lapic->type = 0; /* Local APIC structure */ |
| 138 | lapic->length = sizeof(acpi_madt_lapic_t); |
| 139 | lapic->flags = (1 << 0); /* Processor/LAPIC enabled */ |
| 140 | lapic->processor_id = cpu; |
| 141 | lapic->apic_id = apic; |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 142 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 143 | return lapic->length; |
Stefan Reinauer | 06feb88 | 2004-02-03 16:11:35 +0000 | [diff] [blame] | 144 | } |
| 145 | |
Stefan Reinauer | da65fbf | 2009-04-22 08:18:37 +0000 | [diff] [blame] | 146 | unsigned long acpi_create_madt_lapics(unsigned long current) |
| 147 | { |
Edward O'Callaghan | 2c9d2cf | 2014-10-27 23:29:29 +1100 | [diff] [blame] | 148 | struct device *cpu; |
Duncan Laurie | 11290c4 | 2012-10-03 19:07:05 -0700 | [diff] [blame] | 149 | int index = 0; |
Stefan Reinauer | da65fbf | 2009-04-22 08:18:37 +0000 | [diff] [blame] | 150 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 151 | for (cpu = all_devices; cpu; cpu = cpu->next) { |
Stefan Reinauer | da65fbf | 2009-04-22 08:18:37 +0000 | [diff] [blame] | 152 | if ((cpu->path.type != DEVICE_PATH_APIC) || |
Stefan Reinauer | 0aa37c4 | 2013-02-12 15:20:54 -0800 | [diff] [blame] | 153 | (cpu->bus->dev->path.type != DEVICE_PATH_CPU_CLUSTER)) { |
Stefan Reinauer | da65fbf | 2009-04-22 08:18:37 +0000 | [diff] [blame] | 154 | continue; |
| 155 | } |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 156 | if (!cpu->enabled) |
Stefan Reinauer | da65fbf | 2009-04-22 08:18:37 +0000 | [diff] [blame] | 157 | continue; |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 158 | current += acpi_create_madt_lapic((acpi_madt_lapic_t *)current, |
Duncan Laurie | 11290c4 | 2012-10-03 19:07:05 -0700 | [diff] [blame] | 159 | index, cpu->path.apic.apic_id); |
| 160 | index++; |
Stefan Reinauer | da65fbf | 2009-04-22 08:18:37 +0000 | [diff] [blame] | 161 | } |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 162 | |
Stefan Reinauer | da65fbf | 2009-04-22 08:18:37 +0000 | [diff] [blame] | 163 | return current; |
| 164 | } |
| 165 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 166 | int acpi_create_madt_ioapic(acpi_madt_ioapic_t *ioapic, u8 id, u32 addr, |
Cristian Măgherușan-Stanciu | ba48281 | 2011-07-02 00:57:07 +0300 | [diff] [blame] | 167 | u32 gsi_base) |
Stefan Reinauer | 06feb88 | 2004-02-03 16:11:35 +0000 | [diff] [blame] | 168 | { |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 169 | ioapic->type = 1; /* I/O APIC structure */ |
| 170 | ioapic->length = sizeof(acpi_madt_ioapic_t); |
| 171 | ioapic->reserved = 0x00; |
| 172 | ioapic->gsi_base = gsi_base; |
| 173 | ioapic->ioapic_id = id; |
| 174 | ioapic->ioapic_addr = addr; |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 175 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 176 | return ioapic->length; |
Stefan Reinauer | 06feb88 | 2004-02-03 16:11:35 +0000 | [diff] [blame] | 177 | } |
| 178 | |
Stefan Reinauer | 777224c | 2005-01-19 14:06:41 +0000 | [diff] [blame] | 179 | int acpi_create_madt_irqoverride(acpi_madt_irqoverride_t *irqoverride, |
Stefan Reinauer | 06feb88 | 2004-02-03 16:11:35 +0000 | [diff] [blame] | 180 | u8 bus, u8 source, u32 gsirq, u16 flags) |
| 181 | { |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 182 | irqoverride->type = 2; /* Interrupt source override */ |
| 183 | irqoverride->length = sizeof(acpi_madt_irqoverride_t); |
| 184 | irqoverride->bus = bus; |
| 185 | irqoverride->source = source; |
| 186 | irqoverride->gsirq = gsirq; |
| 187 | irqoverride->flags = flags; |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 188 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 189 | return irqoverride->length; |
Stefan Reinauer | 06feb88 | 2004-02-03 16:11:35 +0000 | [diff] [blame] | 190 | } |
| 191 | |
Stefan Reinauer | 777224c | 2005-01-19 14:06:41 +0000 | [diff] [blame] | 192 | int acpi_create_madt_lapic_nmi(acpi_madt_lapic_nmi_t *lapic_nmi, u8 cpu, |
Cristian Măgherușan-Stanciu | ba48281 | 2011-07-02 00:57:07 +0300 | [diff] [blame] | 193 | u16 flags, u8 lint) |
Stefan Reinauer | 06feb88 | 2004-02-03 16:11:35 +0000 | [diff] [blame] | 194 | { |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 195 | lapic_nmi->type = 4; /* Local APIC NMI structure */ |
| 196 | lapic_nmi->length = sizeof(acpi_madt_lapic_nmi_t); |
| 197 | lapic_nmi->flags = flags; |
| 198 | lapic_nmi->processor_id = cpu; |
| 199 | lapic_nmi->lint = lint; |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 200 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 201 | return lapic_nmi->length; |
Stefan Reinauer | 06feb88 | 2004-02-03 16:11:35 +0000 | [diff] [blame] | 202 | } |
| 203 | |
Stefan Reinauer | 777224c | 2005-01-19 14:06:41 +0000 | [diff] [blame] | 204 | void acpi_create_madt(acpi_madt_t *madt) |
Stefan Reinauer | 06feb88 | 2004-02-03 16:11:35 +0000 | [diff] [blame] | 205 | { |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 206 | acpi_header_t *header = &(madt->header); |
| 207 | unsigned long current = (unsigned long)madt + sizeof(acpi_madt_t); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 208 | |
Stefan Reinauer | 06feb88 | 2004-02-03 16:11:35 +0000 | [diff] [blame] | 209 | memset((void *)madt, 0, sizeof(acpi_madt_t)); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 210 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 211 | /* Fill out header fields. */ |
Stefan Reinauer | cdfe376 | 2009-07-21 22:15:43 +0000 | [diff] [blame] | 212 | memcpy(header->signature, "APIC", 4); |
Stefan Reinauer | 06feb88 | 2004-02-03 16:11:35 +0000 | [diff] [blame] | 213 | memcpy(header->oem_id, OEM_ID, 6); |
Stefan Reinauer | cdfe376 | 2009-07-21 22:15:43 +0000 | [diff] [blame] | 214 | memcpy(header->oem_table_id, ACPI_TABLE_CREATOR, 8); |
Stefan Reinauer | 06feb88 | 2004-02-03 16:11:35 +0000 | [diff] [blame] | 215 | memcpy(header->asl_compiler_id, ASLC, 4); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 216 | |
Stefan Reinauer | 06feb88 | 2004-02-03 16:11:35 +0000 | [diff] [blame] | 217 | header->length = sizeof(acpi_madt_t); |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 218 | header->revision = 1; /* ACPI 1.0/2.0: 1, ACPI 3.0: 2, ACPI 4.0: 3 */ |
Stefan Reinauer | 06feb88 | 2004-02-03 16:11:35 +0000 | [diff] [blame] | 219 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 220 | madt->lapic_addr = LOCAL_APIC_ADDR; |
| 221 | madt->flags = 0x1; /* PCAT_COMPAT */ |
Stefan Reinauer | 06feb88 | 2004-02-03 16:11:35 +0000 | [diff] [blame] | 222 | |
Stefan Reinauer | f622d59 | 2005-11-26 16:56:05 +0000 | [diff] [blame] | 223 | current = acpi_fill_madt(current); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 224 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 225 | /* (Re)calculate length and checksum. */ |
| 226 | header->length = current - (unsigned long)madt; |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 227 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 228 | header->checksum = acpi_checksum((void *)madt, header->length); |
Stefan Reinauer | 06feb88 | 2004-02-03 16:11:35 +0000 | [diff] [blame] | 229 | } |
| 230 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 231 | /* MCFG is defined in the PCI Firmware Specification 3.0. */ |
Rudolf Marek | e6409f2 | 2007-11-03 12:50:26 +0000 | [diff] [blame] | 232 | void acpi_create_mcfg(acpi_mcfg_t *mcfg) |
| 233 | { |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 234 | acpi_header_t *header = &(mcfg->header); |
| 235 | unsigned long current = (unsigned long)mcfg + sizeof(acpi_mcfg_t); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 236 | |
Rudolf Marek | e6409f2 | 2007-11-03 12:50:26 +0000 | [diff] [blame] | 237 | memset((void *)mcfg, 0, sizeof(acpi_mcfg_t)); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 238 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 239 | /* Fill out header fields. */ |
Stefan Reinauer | cdfe376 | 2009-07-21 22:15:43 +0000 | [diff] [blame] | 240 | memcpy(header->signature, "MCFG", 4); |
Rudolf Marek | e6409f2 | 2007-11-03 12:50:26 +0000 | [diff] [blame] | 241 | memcpy(header->oem_id, OEM_ID, 6); |
Stefan Reinauer | cdfe376 | 2009-07-21 22:15:43 +0000 | [diff] [blame] | 242 | memcpy(header->oem_table_id, ACPI_TABLE_CREATOR, 8); |
Rudolf Marek | e6409f2 | 2007-11-03 12:50:26 +0000 | [diff] [blame] | 243 | memcpy(header->asl_compiler_id, ASLC, 4); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 244 | |
Rudolf Marek | e6409f2 | 2007-11-03 12:50:26 +0000 | [diff] [blame] | 245 | header->length = sizeof(acpi_mcfg_t); |
| 246 | header->revision = 1; |
| 247 | |
| 248 | current = acpi_fill_mcfg(current); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 249 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 250 | /* (Re)calculate length and checksum. */ |
| 251 | header->length = current - (unsigned long)mcfg; |
| 252 | header->checksum = acpi_checksum((void *)mcfg, header->length); |
Rudolf Marek | e6409f2 | 2007-11-03 12:50:26 +0000 | [diff] [blame] | 253 | } |
| 254 | |
Vladimir Serbinenko | f44ac13 | 2015-05-20 19:52:01 +0200 | [diff] [blame] | 255 | static void *get_tcpa_log(u32 *size) |
| 256 | { |
| 257 | const struct cbmem_entry *ce; |
| 258 | const u32 tcpa_default_log_len = 0x10000; |
| 259 | void *lasa; |
| 260 | ce = cbmem_entry_find(CBMEM_ID_TCPA_LOG); |
| 261 | if (ce) { |
| 262 | lasa = cbmem_entry_start(ce); |
| 263 | *size = cbmem_entry_size(ce); |
| 264 | printk(BIOS_DEBUG, "TCPA log found at %p\n", lasa); |
| 265 | return lasa; |
| 266 | } |
| 267 | lasa = cbmem_add(CBMEM_ID_TCPA_LOG, tcpa_default_log_len); |
| 268 | if (!lasa) { |
| 269 | printk(BIOS_ERR, "TCPA log creation failed\n"); |
| 270 | return NULL; |
| 271 | } |
| 272 | |
| 273 | printk(BIOS_DEBUG, "TCPA log created at %p\n", lasa); |
| 274 | memset (lasa, 0, tcpa_default_log_len); |
| 275 | |
| 276 | *size = tcpa_default_log_len; |
| 277 | return lasa; |
| 278 | } |
| 279 | |
| 280 | static void acpi_create_tcpa(acpi_tcpa_t *tcpa) |
| 281 | { |
| 282 | acpi_header_t *header = &(tcpa->header); |
| 283 | u32 tcpa_log_len; |
| 284 | void *lasa; |
| 285 | |
| 286 | memset((void *)tcpa, 0, sizeof(acpi_tcpa_t)); |
| 287 | |
| 288 | lasa = get_tcpa_log(&tcpa_log_len); |
| 289 | if (!lasa) { |
| 290 | return; |
| 291 | } |
| 292 | |
| 293 | /* Fill out header fields. */ |
| 294 | memcpy(header->signature, "TCPA", 4); |
| 295 | memcpy(header->oem_id, OEM_ID, 6); |
| 296 | memcpy(header->oem_table_id, ACPI_TABLE_CREATOR, 8); |
| 297 | memcpy(header->asl_compiler_id, ASLC, 4); |
| 298 | |
| 299 | header->length = sizeof(acpi_tcpa_t); |
| 300 | header->revision = 2; |
| 301 | |
| 302 | tcpa->platform_class = 0; |
| 303 | tcpa->laml = tcpa_log_len; |
Stefan Reinauer | defee17 | 2015-06-18 01:11:19 -0700 | [diff] [blame] | 304 | tcpa->lasa = (uintptr_t) lasa; |
Vladimir Serbinenko | f44ac13 | 2015-05-20 19:52:01 +0200 | [diff] [blame] | 305 | |
| 306 | /* Calculate checksum. */ |
| 307 | header->checksum = acpi_checksum((void *)tcpa, header->length); |
| 308 | } |
| 309 | |
Duncan Laurie | 3731903 | 2016-05-26 12:47:05 -0700 | [diff] [blame^] | 310 | static void acpi_ssdt_write_cbtable(void) |
| 311 | { |
| 312 | const struct cbmem_entry *cbtable; |
| 313 | uintptr_t base; |
| 314 | uint32_t size; |
| 315 | |
| 316 | cbtable = cbmem_entry_find(CBMEM_ID_CBTABLE); |
| 317 | if (!cbtable) |
| 318 | return; |
| 319 | base = (uintptr_t)cbmem_entry_start(cbtable); |
| 320 | size = cbmem_entry_size(cbtable); |
| 321 | |
| 322 | acpigen_write_device("CTBL"); |
| 323 | acpigen_write_coreboot_hid(COREBOOT_ACPI_ID_CBTABLE); |
| 324 | acpigen_write_name_integer("_UID", 0); |
| 325 | acpigen_write_STA(ACPI_STATUS_DEVICE_ALL_ON); |
| 326 | acpigen_write_name("_CRS"); |
| 327 | acpigen_write_resourcetemplate_header(); |
| 328 | acpigen_write_mem32fixed(0, base, size); |
| 329 | acpigen_write_resourcetemplate_footer(); |
| 330 | acpigen_pop_len(); |
| 331 | } |
| 332 | |
Myles Watson | 3fe6b70 | 2009-10-09 20:13:43 +0000 | [diff] [blame] | 333 | void acpi_create_ssdt_generator(acpi_header_t *ssdt, const char *oem_table_id) |
Rudolf Marek | 293b5f5 | 2009-02-01 18:35:15 +0000 | [diff] [blame] | 334 | { |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 335 | unsigned long current = (unsigned long)ssdt + sizeof(acpi_header_t); |
| 336 | |
Rudolf Marek | 293b5f5 | 2009-02-01 18:35:15 +0000 | [diff] [blame] | 337 | memset((void *)ssdt, 0, sizeof(acpi_header_t)); |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 338 | |
Stefan Reinauer | cdfe376 | 2009-07-21 22:15:43 +0000 | [diff] [blame] | 339 | memcpy(&ssdt->signature, "SSDT", 4); |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 340 | ssdt->revision = 2; /* ACPI 1.0/2.0: ?, ACPI 3.0/4.0: 2 */ |
Rudolf Marek | 293b5f5 | 2009-02-01 18:35:15 +0000 | [diff] [blame] | 341 | memcpy(&ssdt->oem_id, OEM_ID, 6); |
| 342 | memcpy(&ssdt->oem_table_id, oem_table_id, 8); |
| 343 | ssdt->oem_revision = 42; |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 344 | memcpy(&ssdt->asl_compiler_id, ASLC, 4); |
Rudolf Marek | 293b5f5 | 2009-02-01 18:35:15 +0000 | [diff] [blame] | 345 | ssdt->asl_compiler_revision = 42; |
| 346 | ssdt->length = sizeof(acpi_header_t); |
| 347 | |
Stefan Reinauer | 8dcd50b | 2009-03-06 17:24:29 +0000 | [diff] [blame] | 348 | acpigen_set_current((char *) current); |
Duncan Laurie | 3731903 | 2016-05-26 12:47:05 -0700 | [diff] [blame^] | 349 | |
| 350 | /* Write object to declare coreboot tables */ |
| 351 | acpi_ssdt_write_cbtable(); |
| 352 | |
Vladimir Serbinenko | 2d7bd8a | 2014-08-30 19:28:05 +0200 | [diff] [blame] | 353 | { |
Edward O'Callaghan | 2c9d2cf | 2014-10-27 23:29:29 +1100 | [diff] [blame] | 354 | struct device *dev; |
Vladimir Serbinenko | 2d7bd8a | 2014-08-30 19:28:05 +0200 | [diff] [blame] | 355 | for (dev = all_devices; dev; dev = dev->next) |
| 356 | if (dev->ops && dev->ops->acpi_fill_ssdt_generator) { |
Alexander Couzens | 5eea458 | 2015-04-12 22:18:55 +0200 | [diff] [blame] | 357 | dev->ops->acpi_fill_ssdt_generator(dev); |
Vladimir Serbinenko | 2d7bd8a | 2014-08-30 19:28:05 +0200 | [diff] [blame] | 358 | } |
Vladimir Serbinenko | 0a66991 | 2014-10-05 14:34:17 +0200 | [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; |
| 364 | ssdt->checksum = acpi_checksum((void *)ssdt, ssdt->length); |
| 365 | } |
| 366 | |
Stefan Reinauer | f622d59 | 2005-11-26 16:56:05 +0000 | [diff] [blame] | 367 | int acpi_create_srat_lapic(acpi_srat_lapic_t *lapic, u8 node, u8 apic) |
| 368 | { |
Myles Watson | 0b4c9f0 | 2009-03-10 18:06:47 +0000 | [diff] [blame] | 369 | memset((void *)lapic, 0, sizeof(acpi_srat_lapic_t)); |
Stefan Reinauer | f622d59 | 2005-11-26 16:56:05 +0000 | [diff] [blame] | 370 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 371 | lapic->type = 0; /* Processor local APIC/SAPIC affinity structure */ |
| 372 | lapic->length = sizeof(acpi_srat_lapic_t); |
| 373 | lapic->flags = (1 << 0); /* Enabled (the use of this structure). */ |
| 374 | lapic->proximity_domain_7_0 = node; |
| 375 | /* TODO: proximity_domain_31_8, local SAPIC EID, clock domain. */ |
| 376 | lapic->apic_id = apic; |
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 lapic->length; |
Stefan Reinauer | f622d59 | 2005-11-26 16:56:05 +0000 | [diff] [blame] | 379 | } |
| 380 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 381 | 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] | 382 | u32 flags) |
Stefan Reinauer | f622d59 | 2005-11-26 16:56:05 +0000 | [diff] [blame] | 383 | { |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 384 | mem->type = 1; /* Memory affinity structure */ |
| 385 | mem->length = sizeof(acpi_srat_mem_t); |
| 386 | mem->base_address_low = (basek << 10); |
| 387 | mem->base_address_high = (basek >> (32 - 10)); |
| 388 | mem->length_low = (sizek << 10); |
| 389 | mem->length_high = (sizek >> (32 - 10)); |
| 390 | mem->proximity_domain = node; |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 391 | mem->flags = flags; |
Stefan Reinauer | f622d59 | 2005-11-26 16:56:05 +0000 | [diff] [blame] | 392 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 393 | return mem->length; |
Stefan Reinauer | f622d59 | 2005-11-26 16:56:05 +0000 | [diff] [blame] | 394 | } |
| 395 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 396 | /* http://www.microsoft.com/whdc/system/sysinternals/sratdwn.mspx */ |
Vladimir Serbinenko | 5e59757 | 2014-10-11 23:45:40 +0200 | [diff] [blame] | 397 | void acpi_create_srat(acpi_srat_t *srat, |
| 398 | unsigned long (*acpi_fill_srat)(unsigned long current)) |
Stefan Reinauer | f622d59 | 2005-11-26 16:56:05 +0000 | [diff] [blame] | 399 | { |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 400 | acpi_header_t *header = &(srat->header); |
| 401 | unsigned long current = (unsigned long)srat + sizeof(acpi_srat_t); |
Stefan Reinauer | f622d59 | 2005-11-26 16:56:05 +0000 | [diff] [blame] | 402 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 403 | memset((void *)srat, 0, 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 | /* Fill out header fields. */ |
| 406 | memcpy(header->signature, "SRAT", 4); |
| 407 | memcpy(header->oem_id, OEM_ID, 6); |
| 408 | memcpy(header->oem_table_id, ACPI_TABLE_CREATOR, 8); |
| 409 | memcpy(header->asl_compiler_id, ASLC, 4); |
Stefan Reinauer | f622d59 | 2005-11-26 16:56:05 +0000 | [diff] [blame] | 410 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 411 | header->length = sizeof(acpi_srat_t); |
| 412 | header->revision = 1; /* ACPI 1.0: N/A, 2.0: 1, 3.0: 2, 4.0: 3 */ |
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 | srat->resv = 1; /* Spec: Reserved to 1 for backwards compatibility. */ |
Stefan Reinauer | f622d59 | 2005-11-26 16:56:05 +0000 | [diff] [blame] | 415 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 416 | current = acpi_fill_srat(current); |
Stefan Reinauer | f622d59 | 2005-11-26 16:56:05 +0000 | [diff] [blame] | 417 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 418 | /* (Re)calculate length and checksum. */ |
| 419 | header->length = current - (unsigned long)srat; |
| 420 | header->checksum = acpi_checksum((void *)srat, header->length); |
Stefan Reinauer | f622d59 | 2005-11-26 16:56:05 +0000 | [diff] [blame] | 421 | } |
| 422 | |
Nico Huber | e561f35 | 2015-10-26 11:51:25 +0100 | [diff] [blame] | 423 | void acpi_create_dmar(acpi_dmar_t *dmar, enum dmar_flags flags, |
Vladimir Serbinenko | 8d70e94 | 2014-11-09 13:22:27 +0100 | [diff] [blame] | 424 | unsigned long (*acpi_fill_dmar) (unsigned long)) |
Patrick Georgi | 3b590ff | 2012-09-11 15:21:01 +0200 | [diff] [blame] | 425 | { |
| 426 | acpi_header_t *header = &(dmar->header); |
| 427 | unsigned long current = (unsigned long)dmar + sizeof(acpi_dmar_t); |
| 428 | |
| 429 | memset((void *)dmar, 0, sizeof(acpi_dmar_t)); |
| 430 | |
| 431 | /* Fill out header fields. */ |
| 432 | memcpy(header->signature, "DMAR", 4); |
| 433 | memcpy(header->oem_id, OEM_ID, 6); |
| 434 | memcpy(header->oem_table_id, ACPI_TABLE_CREATOR, 8); |
| 435 | memcpy(header->asl_compiler_id, ASLC, 4); |
| 436 | |
| 437 | header->length = sizeof(acpi_dmar_t); |
| 438 | header->revision = 1; |
| 439 | |
Jacob Laska | f3f654d | 2016-03-15 21:53:27 -0500 | [diff] [blame] | 440 | dmar->host_address_width = cpu_phys_address_size() - 1; |
Nico Huber | e561f35 | 2015-10-26 11:51:25 +0100 | [diff] [blame] | 441 | dmar->flags = flags; |
Patrick Georgi | 3b590ff | 2012-09-11 15:21:01 +0200 | [diff] [blame] | 442 | |
| 443 | current = acpi_fill_dmar(current); |
| 444 | |
| 445 | /* (Re)calculate length and checksum. */ |
| 446 | header->length = current - (unsigned long)dmar; |
| 447 | header->checksum = acpi_checksum((void *)dmar, header->length); |
| 448 | } |
| 449 | |
| 450 | unsigned long acpi_create_dmar_drhd(unsigned long current, u8 flags, |
| 451 | u16 segment, u32 bar) |
| 452 | { |
| 453 | dmar_entry_t *drhd = (dmar_entry_t *)current; |
| 454 | memset(drhd, 0, sizeof(*drhd)); |
| 455 | drhd->type = DMAR_DRHD; |
| 456 | drhd->length = sizeof(*drhd); /* will be fixed up later */ |
| 457 | drhd->flags = flags; |
| 458 | drhd->segment = segment; |
| 459 | drhd->bar = bar; |
| 460 | |
| 461 | return drhd->length; |
| 462 | } |
| 463 | |
Werner Zeh | d4d7695 | 2016-07-27 06:56:36 +0200 | [diff] [blame] | 464 | unsigned long acpi_create_dmar_atsr(unsigned long current, u8 flags, |
| 465 | u16 segment) |
| 466 | { |
| 467 | dmar_atsr_entry_t *atsr = (dmar_atsr_entry_t *)current; |
| 468 | memset(atsr, 0, sizeof(*atsr)); |
| 469 | atsr->type = DMAR_ATSR; |
| 470 | atsr->length = sizeof(*atsr); /* will be fixed up later */ |
| 471 | atsr->flags = flags; |
| 472 | atsr->segment = segment; |
| 473 | |
| 474 | return atsr->length; |
| 475 | } |
| 476 | |
Patrick Georgi | 3b590ff | 2012-09-11 15:21:01 +0200 | [diff] [blame] | 477 | void acpi_dmar_drhd_fixup(unsigned long base, unsigned long current) |
| 478 | { |
| 479 | dmar_entry_t *drhd = (dmar_entry_t *)base; |
| 480 | drhd->length = current - base; |
| 481 | } |
| 482 | |
Werner Zeh | d4d7695 | 2016-07-27 06:56:36 +0200 | [diff] [blame] | 483 | void acpi_dmar_atsr_fixup(unsigned long base, unsigned long current) |
| 484 | { |
| 485 | dmar_atsr_entry_t *atsr = (dmar_atsr_entry_t *)base; |
| 486 | atsr->length = current - base; |
| 487 | } |
| 488 | |
Nico Huber | 6c4751d | 2015-10-26 12:03:54 +0100 | [diff] [blame] | 489 | static unsigned long acpi_create_dmar_drhd_ds(unsigned long current, |
| 490 | enum dev_scope_type type, u8 enumeration_id, u8 bus, u8 dev, u8 fn) |
Patrick Georgi | 3b590ff | 2012-09-11 15:21:01 +0200 | [diff] [blame] | 491 | { |
Nico Huber | 6c4751d | 2015-10-26 12:03:54 +0100 | [diff] [blame] | 492 | /* we don't support longer paths yet */ |
| 493 | const size_t dev_scope_length = sizeof(dev_scope_t) + 2; |
| 494 | |
Patrick Georgi | 3b590ff | 2012-09-11 15:21:01 +0200 | [diff] [blame] | 495 | dev_scope_t *ds = (dev_scope_t *)current; |
Nico Huber | 6c4751d | 2015-10-26 12:03:54 +0100 | [diff] [blame] | 496 | memset(ds, 0, dev_scope_length); |
| 497 | ds->type = type; |
| 498 | ds->length = dev_scope_length; |
| 499 | ds->enumeration = enumeration_id; |
| 500 | ds->start_bus = bus; |
| 501 | ds->path[0].dev = dev; |
| 502 | ds->path[0].fn = fn; |
Patrick Georgi | 3b590ff | 2012-09-11 15:21:01 +0200 | [diff] [blame] | 503 | |
| 504 | return ds->length; |
| 505 | } |
| 506 | |
Werner Zeh | 21a5bff | 2016-07-27 07:07:20 +0200 | [diff] [blame] | 507 | unsigned long acpi_create_dmar_drhd_ds_pci_br(unsigned long current, u8 bus, |
| 508 | u8 dev, u8 fn) |
| 509 | { |
| 510 | return acpi_create_dmar_drhd_ds(current, |
| 511 | SCOPE_PCI_SUB, 0, bus, dev, fn); |
| 512 | } |
| 513 | |
Nico Huber | 6c4751d | 2015-10-26 12:03:54 +0100 | [diff] [blame] | 514 | unsigned long acpi_create_dmar_drhd_ds_pci(unsigned long current, u8 bus, |
| 515 | u8 dev, u8 fn) |
| 516 | { |
| 517 | return acpi_create_dmar_drhd_ds(current, |
| 518 | SCOPE_PCI_ENDPOINT, 0, bus, dev, fn); |
| 519 | } |
| 520 | |
| 521 | unsigned long acpi_create_dmar_drhd_ds_ioapic(unsigned long current, |
| 522 | u8 enumeration_id, u8 bus, u8 dev, u8 fn) |
| 523 | { |
| 524 | return acpi_create_dmar_drhd_ds(current, |
| 525 | SCOPE_IOAPIC, enumeration_id, bus, dev, fn); |
| 526 | } |
| 527 | |
| 528 | unsigned long acpi_create_dmar_drhd_ds_msi_hpet(unsigned long current, |
| 529 | u8 enumeration_id, u8 bus, u8 dev, u8 fn) |
| 530 | { |
| 531 | return acpi_create_dmar_drhd_ds(current, |
| 532 | SCOPE_MSI_HPET, enumeration_id, bus, dev, fn); |
| 533 | } |
| 534 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 535 | /* http://h21007.www2.hp.com/portal/download/files/unprot/Itanium/slit.pdf */ |
Vladimir Serbinenko | 5e59757 | 2014-10-11 23:45:40 +0200 | [diff] [blame] | 536 | void acpi_create_slit(acpi_slit_t *slit, |
| 537 | unsigned long (*acpi_fill_slit)(unsigned long current)) |
Yinghai Lu | d4b278c | 2006-10-04 20:46:15 +0000 | [diff] [blame] | 538 | { |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 539 | acpi_header_t *header = &(slit->header); |
| 540 | unsigned long current = (unsigned long)slit + sizeof(acpi_slit_t); |
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 | memset((void *)slit, 0, sizeof(acpi_slit_t)); |
Yinghai Lu | d4b278c | 2006-10-04 20:46:15 +0000 | [diff] [blame] | 543 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 544 | /* Fill out header fields. */ |
| 545 | memcpy(header->signature, "SLIT", 4); |
| 546 | memcpy(header->oem_id, OEM_ID, 6); |
| 547 | memcpy(header->oem_table_id, ACPI_TABLE_CREATOR, 8); |
| 548 | memcpy(header->asl_compiler_id, ASLC, 4); |
Yinghai Lu | d4b278c | 2006-10-04 20:46:15 +0000 | [diff] [blame] | 549 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 550 | header->length = sizeof(acpi_slit_t); |
| 551 | header->revision = 1; /* ACPI 1.0: N/A, ACPI 2.0/3.0/4.0: 1 */ |
Yinghai Lu | d4b278c | 2006-10-04 20:46:15 +0000 | [diff] [blame] | 552 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 553 | current = acpi_fill_slit(current); |
Yinghai Lu | d4b278c | 2006-10-04 20:46:15 +0000 | [diff] [blame] | 554 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 555 | /* (Re)calculate length and checksum. */ |
| 556 | header->length = current - (unsigned long)slit; |
| 557 | header->checksum = acpi_checksum((void *)slit, header->length); |
Yinghai Lu | d4b278c | 2006-10-04 20:46:15 +0000 | [diff] [blame] | 558 | } |
| 559 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 560 | /* http://www.intel.com/hardwaredesign/hpetspec_1.pdf */ |
Stefan Reinauer | 777224c | 2005-01-19 14:06:41 +0000 | [diff] [blame] | 561 | void acpi_create_hpet(acpi_hpet_t *hpet) |
Stefan Reinauer | 688b385 | 2004-01-28 16:56:14 +0000 | [diff] [blame] | 562 | { |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 563 | acpi_header_t *header = &(hpet->header); |
| 564 | acpi_addr_t *addr = &(hpet->addr); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 565 | |
Stefan Reinauer | a7648c2 | 2004-01-29 17:31:34 +0000 | [diff] [blame] | 566 | memset((void *)hpet, 0, sizeof(acpi_hpet_t)); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 567 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 568 | /* Fill out header fields. */ |
Stefan Reinauer | 4704dc5 | 2009-07-22 01:11:37 +0000 | [diff] [blame] | 569 | memcpy(header->signature, "HPET", 4); |
Stefan Reinauer | 688b385 | 2004-01-28 16:56:14 +0000 | [diff] [blame] | 570 | memcpy(header->oem_id, OEM_ID, 6); |
Stefan Reinauer | cdfe376 | 2009-07-21 22:15:43 +0000 | [diff] [blame] | 571 | memcpy(header->oem_table_id, ACPI_TABLE_CREATOR, 8); |
Stefan Reinauer | 688b385 | 2004-01-28 16:56:14 +0000 | [diff] [blame] | 572 | memcpy(header->asl_compiler_id, ASLC, 4); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 573 | |
Stefan Reinauer | 688b385 | 2004-01-28 16:56:14 +0000 | [diff] [blame] | 574 | header->length = sizeof(acpi_hpet_t); |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 575 | header->revision = 1; /* Currently 1. Table added in ACPI 2.0. */ |
Stefan Reinauer | 688b385 | 2004-01-28 16:56:14 +0000 | [diff] [blame] | 576 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 577 | /* Fill out HPET address. */ |
| 578 | addr->space_id = 0; /* Memory */ |
| 579 | addr->bit_width = 64; |
| 580 | addr->bit_offset = 0; |
Patrick Georgi | 9aeb694 | 2012-10-05 21:54:38 +0200 | [diff] [blame] | 581 | addr->addrl = CONFIG_HPET_ADDRESS & 0xffffffff; |
| 582 | addr->addrh = ((unsigned long long)CONFIG_HPET_ADDRESS) >> 32; |
Stefan Reinauer | 688b385 | 2004-01-28 16:56:14 +0000 | [diff] [blame] | 583 | |
Patrick Georgi | 9aeb694 | 2012-10-05 21:54:38 +0200 | [diff] [blame] | 584 | hpet->id = *(unsigned int*)CONFIG_HPET_ADDRESS; |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 585 | hpet->number = 0; |
Patrick Georgi | 9aeb694 | 2012-10-05 21:54:38 +0200 | [diff] [blame] | 586 | hpet->min_tick = CONFIG_HPET_MIN_TICKS; |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 587 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 588 | header->checksum = acpi_checksum((void *)hpet, sizeof(acpi_hpet_t)); |
Stefan Reinauer | 688b385 | 2004-01-28 16:56:14 +0000 | [diff] [blame] | 589 | } |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 590 | |
Timothy Pearson | ff8ccf0 | 2015-08-11 17:48:32 -0500 | [diff] [blame] | 591 | void acpi_create_ivrs(acpi_ivrs_t *ivrs, |
| 592 | unsigned long (*acpi_fill_ivrs)(acpi_ivrs_t* ivrs_struct, unsigned long current)) |
| 593 | { |
| 594 | acpi_header_t *header = &(ivrs->header); |
| 595 | unsigned long current = (unsigned long)ivrs + sizeof(acpi_ivrs_t); |
| 596 | |
| 597 | memset((void *)ivrs, 0, sizeof(acpi_ivrs_t)); |
| 598 | |
| 599 | /* Fill out header fields. */ |
| 600 | memcpy(header->signature, "IVRS", 4); |
| 601 | memcpy(header->oem_id, OEM_ID, 6); |
| 602 | memcpy(header->oem_table_id, ACPI_TABLE_CREATOR, 8); |
| 603 | memcpy(header->asl_compiler_id, ASLC, 4); |
| 604 | |
| 605 | header->length = sizeof(acpi_ivrs_t); |
| 606 | header->revision = 1; /* ACPI 1.0: N/A, ACPI 2.0/3.0/4.0: 1 */ |
| 607 | |
| 608 | current = acpi_fill_ivrs(ivrs, current); |
| 609 | |
| 610 | /* (Re)calculate length and checksum. */ |
| 611 | header->length = current - (unsigned long)ivrs; |
| 612 | header->checksum = acpi_checksum((void *)ivrs, header->length); |
| 613 | } |
| 614 | |
Alexander Couzens | 83fc32f | 2015-04-12 22:28:37 +0200 | [diff] [blame] | 615 | unsigned long acpi_write_hpet(device_t device, unsigned long current, acpi_rsdp_t *rsdp) |
Vladimir Serbinenko | 2d7bd8a | 2014-08-30 19:28:05 +0200 | [diff] [blame] | 616 | { |
| 617 | acpi_hpet_t *hpet; |
| 618 | |
| 619 | /* |
| 620 | * We explicitly add these tables later on: |
| 621 | */ |
| 622 | printk(BIOS_DEBUG, "ACPI: * HPET\n"); |
| 623 | |
| 624 | hpet = (acpi_hpet_t *) current; |
| 625 | current += sizeof(acpi_hpet_t); |
| 626 | current = ALIGN(current, 16); |
| 627 | acpi_create_hpet(hpet); |
| 628 | acpi_add_table(rsdp, hpet); |
| 629 | |
| 630 | return current; |
| 631 | } |
| 632 | |
Stefan Reinauer | 777224c | 2005-01-19 14:06:41 +0000 | [diff] [blame] | 633 | void acpi_create_facs(acpi_facs_t *facs) |
Ronald G. Minnich | 02fa3b2 | 2004-10-06 17:33:54 +0000 | [diff] [blame] | 634 | { |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 635 | memset((void *)facs, 0, sizeof(acpi_facs_t)); |
Ronald G. Minnich | 02fa3b2 | 2004-10-06 17:33:54 +0000 | [diff] [blame] | 636 | |
Stefan Reinauer | cdfe376 | 2009-07-21 22:15:43 +0000 | [diff] [blame] | 637 | memcpy(facs->signature, "FACS", 4); |
Ronald G. Minnich | 02fa3b2 | 2004-10-06 17:33:54 +0000 | [diff] [blame] | 638 | facs->length = sizeof(acpi_facs_t); |
| 639 | facs->hardware_signature = 0; |
| 640 | facs->firmware_waking_vector = 0; |
| 641 | facs->global_lock = 0; |
| 642 | facs->flags = 0; |
| 643 | facs->x_firmware_waking_vector_l = 0; |
| 644 | facs->x_firmware_waking_vector_h = 0; |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 645 | facs->version = 1; /* ACPI 1.0: 0, ACPI 2.0/3.0: 1, ACPI 4.0: 2 */ |
Ronald G. Minnich | 02fa3b2 | 2004-10-06 17:33:54 +0000 | [diff] [blame] | 646 | } |
Stefan Reinauer | 777224c | 2005-01-19 14:06:41 +0000 | [diff] [blame] | 647 | |
Vladimir Serbinenko | 351fefc | 2014-10-26 20:42:08 +0100 | [diff] [blame] | 648 | 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] | 649 | { |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 650 | acpi_header_t *header = &(rsdt->header); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 651 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 652 | /* Fill out header fields. */ |
Stefan Reinauer | cdfe376 | 2009-07-21 22:15:43 +0000 | [diff] [blame] | 653 | memcpy(header->signature, "RSDT", 4); |
Vladimir Serbinenko | 351fefc | 2014-10-26 20:42:08 +0100 | [diff] [blame] | 654 | memcpy(header->oem_id, oem_id, 6); |
| 655 | memcpy(header->oem_table_id, oem_table_id, 8); |
Stefan Reinauer | 688b385 | 2004-01-28 16:56:14 +0000 | [diff] [blame] | 656 | memcpy(header->asl_compiler_id, ASLC, 4); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 657 | |
Stefan Reinauer | 688b385 | 2004-01-28 16:56:14 +0000 | [diff] [blame] | 658 | header->length = sizeof(acpi_rsdt_t); |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 659 | header->revision = 1; /* ACPI 1.0/2.0/3.0/4.0: 1 */ |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 660 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 661 | /* Entries are filled in later, we come with an empty set. */ |
Stefan Reinauer | 688b385 | 2004-01-28 16:56:14 +0000 | [diff] [blame] | 662 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 663 | /* Fix checksum. */ |
Stefan Reinauer | b657a3c | 2009-07-21 21:38:33 +0000 | [diff] [blame] | 664 | header->checksum = acpi_checksum((void *)rsdt, sizeof(acpi_rsdt_t)); |
Stefan Reinauer | 688b385 | 2004-01-28 16:56:14 +0000 | [diff] [blame] | 665 | } |
| 666 | |
Vladimir Serbinenko | 351fefc | 2014-10-26 20:42:08 +0100 | [diff] [blame] | 667 | 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] | 668 | { |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 669 | acpi_header_t *header = &(xsdt->header); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 670 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 671 | /* Fill out header fields. */ |
Stefan Reinauer | cdfe376 | 2009-07-21 22:15:43 +0000 | [diff] [blame] | 672 | memcpy(header->signature, "XSDT", 4); |
Vladimir Serbinenko | 351fefc | 2014-10-26 20:42:08 +0100 | [diff] [blame] | 673 | memcpy(header->oem_id, oem_id, 6); |
| 674 | memcpy(header->oem_table_id, oem_table_id, 8); |
Stefan Reinauer | b657a3c | 2009-07-21 21:38:33 +0000 | [diff] [blame] | 675 | memcpy(header->asl_compiler_id, ASLC, 4); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 676 | |
Stefan Reinauer | b657a3c | 2009-07-21 21:38:33 +0000 | [diff] [blame] | 677 | header->length = sizeof(acpi_xsdt_t); |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 678 | header->revision = 1; /* ACPI 1.0: N/A, 2.0/3.0/4.0: 1 */ |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 679 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 680 | /* Entries are filled in later, we come with an empty set. */ |
Stefan Reinauer | b657a3c | 2009-07-21 21:38:33 +0000 | [diff] [blame] | 681 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 682 | /* Fix checksum. */ |
Stefan Reinauer | b657a3c | 2009-07-21 21:38:33 +0000 | [diff] [blame] | 683 | header->checksum = acpi_checksum((void *)xsdt, sizeof(acpi_xsdt_t)); |
| 684 | } |
| 685 | |
Vladimir Serbinenko | 351fefc | 2014-10-26 20:42:08 +0100 | [diff] [blame] | 686 | static void acpi_write_rsdp(acpi_rsdp_t *rsdp, acpi_rsdt_t *rsdt, |
| 687 | acpi_xsdt_t *xsdt, char *oem_id) |
Stefan Reinauer | 688b385 | 2004-01-28 16:56:14 +0000 | [diff] [blame] | 688 | { |
Stefan Reinauer | d18faac | 2009-11-05 18:06:43 +0000 | [diff] [blame] | 689 | memset(rsdp, 0, sizeof(acpi_rsdp_t)); |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 690 | |
Stefan Reinauer | 688b385 | 2004-01-28 16:56:14 +0000 | [diff] [blame] | 691 | memcpy(rsdp->signature, RSDP_SIG, 8); |
Vladimir Serbinenko | 351fefc | 2014-10-26 20:42:08 +0100 | [diff] [blame] | 692 | memcpy(rsdp->oem_id, oem_id, 6); |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 693 | |
| 694 | rsdp->length = sizeof(acpi_rsdp_t); |
Stefan Reinauer | defee17 | 2015-06-18 01:11:19 -0700 | [diff] [blame] | 695 | rsdp->rsdt_address = (uintptr_t)rsdt; |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 696 | |
| 697 | /* |
| 698 | * Revision: ACPI 1.0: 0, ACPI 2.0/3.0/4.0: 2. |
| 699 | * |
| 700 | * Some OSes expect an XSDT to be present for RSD PTR revisions >= 2. |
| 701 | * If we don't have an ACPI XSDT, force ACPI 1.0 (and thus RSD PTR |
| 702 | * revision 0). |
Stefan Reinauer | b657a3c | 2009-07-21 21:38:33 +0000 | [diff] [blame] | 703 | */ |
| 704 | if (xsdt == NULL) { |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 705 | rsdp->revision = 0; |
Stefan Reinauer | b657a3c | 2009-07-21 21:38:33 +0000 | [diff] [blame] | 706 | } else { |
Stefan Reinauer | defee17 | 2015-06-18 01:11:19 -0700 | [diff] [blame] | 707 | rsdp->xsdt_address = (u64)(uintptr_t)xsdt; |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 708 | rsdp->revision = 2; |
Stefan Reinauer | b657a3c | 2009-07-21 21:38:33 +0000 | [diff] [blame] | 709 | } |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 710 | |
| 711 | /* Calculate checksums. */ |
| 712 | rsdp->checksum = acpi_checksum((void *)rsdp, 20); |
| 713 | rsdp->ext_checksum = acpi_checksum((void *)rsdp, sizeof(acpi_rsdp_t)); |
Stefan Reinauer | 688b385 | 2004-01-28 16:56:14 +0000 | [diff] [blame] | 714 | } |
| 715 | |
zbao | caf494c8 | 2012-04-13 13:57:14 +0800 | [diff] [blame] | 716 | unsigned long acpi_create_hest_error_source(acpi_hest_t *hest, acpi_hest_esd_t *esd, u16 type, void *data, u16 data_len) |
| 717 | { |
| 718 | acpi_header_t *header = &(hest->header); |
| 719 | acpi_hest_hen_t *hen; |
| 720 | void *pos; |
| 721 | u16 len; |
| 722 | |
| 723 | pos = esd; |
| 724 | memset(pos, 0, sizeof(acpi_hest_esd_t)); |
| 725 | len = 0; |
| 726 | esd->type = type; /* MCE */ |
| 727 | esd->source_id = hest->error_source_count; |
| 728 | esd->flags = 0; /* FIRMWARE_FIRST */ |
| 729 | esd->enabled = 1; |
| 730 | esd->prealloc_erecords = 1; |
| 731 | esd->max_section_per_record = 0x1; |
| 732 | |
| 733 | len += sizeof(acpi_hest_esd_t); |
| 734 | pos = esd + 1; |
| 735 | |
| 736 | switch (type) { |
| 737 | case 0: /* MCE */ |
| 738 | break; |
| 739 | case 1: /* CMC */ |
| 740 | hen = (acpi_hest_hen_t *) (pos); |
| 741 | memset(pos, 0, sizeof(acpi_hest_hen_t)); |
| 742 | hen->type = 3; /* SCI? */ |
| 743 | hen->length = sizeof(acpi_hest_hen_t); |
| 744 | hen->conf_we = 0; /* Configuration Write Enable. */ |
| 745 | hen->poll_interval = 0; |
| 746 | hen->vector = 0; |
| 747 | hen->sw2poll_threshold_val = 0; |
| 748 | hen->sw2poll_threshold_win = 0; |
| 749 | hen->error_threshold_val = 0; |
| 750 | hen->error_threshold_win = 0; |
| 751 | len += sizeof(acpi_hest_hen_t); |
| 752 | pos = hen + 1; |
| 753 | break; |
| 754 | case 2: /* NMI */ |
| 755 | case 6: /* AER Root Port */ |
| 756 | case 7: /* AER Endpoint */ |
| 757 | case 8: /* AER Bridge */ |
| 758 | case 9: /* Generic Hardware Error Source. */ |
| 759 | /* TODO: */ |
| 760 | break; |
| 761 | default: |
| 762 | printk(BIOS_DEBUG, "Invalid type of Error Source."); |
| 763 | break; |
| 764 | } |
| 765 | hest->error_source_count ++; |
| 766 | |
| 767 | memcpy(pos, data, data_len); |
| 768 | len += data_len; |
| 769 | header->length += len; |
| 770 | |
| 771 | return len; |
| 772 | } |
| 773 | |
| 774 | /* ACPI 4.0 */ |
Vladimir Serbinenko | 807127f | 2014-11-09 13:36:18 +0100 | [diff] [blame] | 775 | void acpi_write_hest(acpi_hest_t *hest, |
| 776 | unsigned long (*acpi_fill_hest)(acpi_hest_t *hest)) |
zbao | caf494c8 | 2012-04-13 13:57:14 +0800 | [diff] [blame] | 777 | { |
| 778 | acpi_header_t *header = &(hest->header); |
| 779 | |
| 780 | memset(hest, 0, sizeof(acpi_hest_t)); |
| 781 | |
| 782 | memcpy(header->signature, "HEST", 4); |
| 783 | memcpy(header->oem_id, OEM_ID, 6); |
| 784 | memcpy(header->oem_table_id, ACPI_TABLE_CREATOR, 8); |
| 785 | memcpy(header->asl_compiler_id, ASLC, 4); |
| 786 | header->length += sizeof(acpi_hest_t); |
| 787 | header->revision = 1; |
| 788 | |
| 789 | acpi_fill_hest(hest); |
| 790 | |
| 791 | /* Calculate checksums. */ |
| 792 | header->checksum = acpi_checksum((void *)hest, header->length); |
| 793 | } |
| 794 | |
Vladimir Serbinenko | c21e073 | 2014-10-16 12:48:19 +0200 | [diff] [blame] | 795 | #if IS_ENABLED(CONFIG_COMMON_FADT) |
| 796 | void acpi_create_fadt(acpi_fadt_t *fadt,acpi_facs_t *facs, void *dsdt) |
| 797 | { |
| 798 | acpi_header_t *header = &(fadt->header); |
| 799 | |
| 800 | memset((void *) fadt, 0, sizeof(acpi_fadt_t)); |
| 801 | memcpy(header->signature, "FACP", 4); |
| 802 | header->length = sizeof(acpi_fadt_t); |
Vladimir Serbinenko | ab83ef0 | 2014-10-25 15:18:25 +0200 | [diff] [blame] | 803 | header->revision = 4; |
Vladimir Serbinenko | c21e073 | 2014-10-16 12:48:19 +0200 | [diff] [blame] | 804 | memcpy(header->oem_id, OEM_ID, 6); |
| 805 | memcpy(header->oem_table_id, ACPI_TABLE_CREATOR, 8); |
| 806 | memcpy(header->asl_compiler_id, ASLC, 4); |
| 807 | header->asl_compiler_revision = 0; |
| 808 | |
| 809 | fadt->firmware_ctrl = (unsigned long) facs; |
| 810 | fadt->dsdt = (unsigned long) dsdt; |
| 811 | |
| 812 | fadt->x_firmware_ctl_l = (unsigned long)facs; |
| 813 | fadt->x_firmware_ctl_h = 0; |
| 814 | fadt->x_dsdt_l = (unsigned long)dsdt; |
| 815 | fadt->x_dsdt_h = 0; |
| 816 | |
| 817 | if(IS_ENABLED(CONFIG_SYSTEM_TYPE_LAPTOP)) { |
| 818 | fadt->preferred_pm_profile = PM_MOBILE; |
| 819 | } else { |
| 820 | fadt->preferred_pm_profile = PM_DESKTOP; |
| 821 | } |
| 822 | |
Vladimir Serbinenko | ab83ef0 | 2014-10-25 15:18:25 +0200 | [diff] [blame] | 823 | acpi_fill_fadt(fadt); |
Vladimir Serbinenko | c21e073 | 2014-10-16 12:48:19 +0200 | [diff] [blame] | 824 | |
| 825 | header->checksum = |
| 826 | acpi_checksum((void *) fadt, header->length); |
| 827 | } |
| 828 | #endif |
| 829 | |
Vladimir Serbinenko | 41877d8 | 2014-09-01 22:18:01 +0200 | [diff] [blame] | 830 | unsigned long __attribute__ ((weak)) fw_cfg_acpi_tables(unsigned long start) |
| 831 | { |
| 832 | return 0; |
| 833 | } |
| 834 | |
Vladimir Serbinenko | 2d7bd8a | 2014-08-30 19:28:05 +0200 | [diff] [blame] | 835 | unsigned long write_acpi_tables(unsigned long start) |
| 836 | { |
| 837 | unsigned long current; |
| 838 | acpi_rsdp_t *rsdp; |
| 839 | acpi_rsdt_t *rsdt; |
| 840 | acpi_xsdt_t *xsdt; |
| 841 | acpi_fadt_t *fadt; |
| 842 | acpi_facs_t *facs; |
Vladimir Serbinenko | 351fefc | 2014-10-26 20:42:08 +0100 | [diff] [blame] | 843 | acpi_header_t *slic_file, *slic; |
Vladimir Serbinenko | 2d7bd8a | 2014-08-30 19:28:05 +0200 | [diff] [blame] | 844 | acpi_header_t *ssdt; |
Vladimir Serbinenko | 36f8d27 | 2015-05-31 12:31:59 +0200 | [diff] [blame] | 845 | acpi_header_t *dsdt_file, *dsdt; |
Vladimir Serbinenko | 2d7bd8a | 2014-08-30 19:28:05 +0200 | [diff] [blame] | 846 | acpi_mcfg_t *mcfg; |
Vladimir Serbinenko | f44ac13 | 2015-05-20 19:52:01 +0200 | [diff] [blame] | 847 | acpi_tcpa_t *tcpa; |
Vladimir Serbinenko | 2d7bd8a | 2014-08-30 19:28:05 +0200 | [diff] [blame] | 848 | acpi_madt_t *madt; |
Edward O'Callaghan | 2c9d2cf | 2014-10-27 23:29:29 +1100 | [diff] [blame] | 849 | struct device *dev; |
Vladimir Serbinenko | 41877d8 | 2014-09-01 22:18:01 +0200 | [diff] [blame] | 850 | unsigned long fw; |
Vladimir Serbinenko | 36f8d27 | 2015-05-31 12:31:59 +0200 | [diff] [blame] | 851 | size_t slic_size, dsdt_size; |
Vladimir Serbinenko | 351fefc | 2014-10-26 20:42:08 +0100 | [diff] [blame] | 852 | char oem_id[6], oem_table_id[8]; |
Vladimir Serbinenko | 2d7bd8a | 2014-08-30 19:28:05 +0200 | [diff] [blame] | 853 | |
| 854 | current = start; |
| 855 | |
| 856 | /* Align ACPI tables to 16byte */ |
Aaron Durbin | 07a1b28 | 2015-12-10 17:07:38 -0600 | [diff] [blame] | 857 | current = acpi_align_current(current); |
Vladimir Serbinenko | 2d7bd8a | 2014-08-30 19:28:05 +0200 | [diff] [blame] | 858 | |
Vladimir Serbinenko | 41877d8 | 2014-09-01 22:18:01 +0200 | [diff] [blame] | 859 | fw = fw_cfg_acpi_tables(current); |
| 860 | if (fw) |
| 861 | return fw; |
| 862 | |
Vladimir Serbinenko | a4cf83d | 2015-06-02 21:40:29 +0200 | [diff] [blame] | 863 | dsdt_file = cbfs_boot_map_with_leak( |
Vladimir Serbinenko | 36f8d27 | 2015-05-31 12:31:59 +0200 | [diff] [blame] | 864 | CONFIG_CBFS_PREFIX "/dsdt.aml", |
| 865 | CBFS_TYPE_RAW, &dsdt_size); |
| 866 | if (!dsdt_file) { |
| 867 | printk(BIOS_ERR, "No DSDT file, skipping ACPI tables\n"); |
| 868 | return current; |
| 869 | } |
| 870 | |
| 871 | if (dsdt_file->length > dsdt_size |
| 872 | || dsdt_file->length < sizeof (acpi_header_t) |
| 873 | || memcmp(dsdt_file->signature, "DSDT", 4) != 0) { |
| 874 | printk(BIOS_ERR, "Invalid DSDT file, skipping ACPI tables\n"); |
| 875 | return current; |
| 876 | } |
| 877 | |
Aaron Durbin | 899d13d | 2015-05-15 23:39:23 -0500 | [diff] [blame] | 878 | slic_file = cbfs_boot_map_with_leak(CONFIG_CBFS_PREFIX "/slic", |
Vladimir Serbinenko | 351fefc | 2014-10-26 20:42:08 +0100 | [diff] [blame] | 879 | CBFS_TYPE_RAW, &slic_size); |
Vladimir Serbinenko | 2cb2978 | 2015-05-31 11:32:09 +0200 | [diff] [blame] | 880 | if (slic_file |
| 881 | && (slic_file->length > slic_size |
| 882 | || slic_file->length < sizeof (acpi_header_t) |
| 883 | || memcmp(slic_file->signature, "SLIC", 4) != 0)) { |
Vladimir Serbinenko | 351fefc | 2014-10-26 20:42:08 +0100 | [diff] [blame] | 884 | slic_file = 0; |
| 885 | } |
| 886 | |
| 887 | if (slic_file) { |
| 888 | memcpy(oem_id, slic_file->oem_id, 6); |
| 889 | memcpy(oem_table_id, slic_file->oem_table_id, 8); |
| 890 | } else { |
| 891 | memcpy(oem_id, OEM_ID, 6); |
| 892 | memcpy(oem_table_id, ACPI_TABLE_CREATOR, 8); |
| 893 | } |
| 894 | |
Vladimir Serbinenko | 2d7bd8a | 2014-08-30 19:28:05 +0200 | [diff] [blame] | 895 | printk(BIOS_INFO, "ACPI: Writing ACPI tables at %lx.\n", start); |
| 896 | |
| 897 | /* We need at least an RSDP and an RSDT Table */ |
| 898 | rsdp = (acpi_rsdp_t *) current; |
| 899 | current += sizeof(acpi_rsdp_t); |
Aaron Durbin | 07a1b28 | 2015-12-10 17:07:38 -0600 | [diff] [blame] | 900 | current = acpi_align_current(current); |
Vladimir Serbinenko | 2d7bd8a | 2014-08-30 19:28:05 +0200 | [diff] [blame] | 901 | rsdt = (acpi_rsdt_t *) current; |
| 902 | current += sizeof(acpi_rsdt_t); |
Aaron Durbin | 07a1b28 | 2015-12-10 17:07:38 -0600 | [diff] [blame] | 903 | current = acpi_align_current(current); |
Vladimir Serbinenko | 2d7bd8a | 2014-08-30 19:28:05 +0200 | [diff] [blame] | 904 | xsdt = (acpi_xsdt_t *) current; |
| 905 | current += sizeof(acpi_xsdt_t); |
Aaron Durbin | 07a1b28 | 2015-12-10 17:07:38 -0600 | [diff] [blame] | 906 | current = acpi_align_current(current); |
Vladimir Serbinenko | 2d7bd8a | 2014-08-30 19:28:05 +0200 | [diff] [blame] | 907 | |
| 908 | /* clear all table memory */ |
| 909 | memset((void *) start, 0, current - start); |
| 910 | |
Vladimir Serbinenko | 351fefc | 2014-10-26 20:42:08 +0100 | [diff] [blame] | 911 | acpi_write_rsdp(rsdp, rsdt, xsdt, oem_id); |
| 912 | acpi_write_rsdt(rsdt, oem_id, oem_table_id); |
| 913 | acpi_write_xsdt(xsdt, oem_id, oem_table_id); |
Vladimir Serbinenko | 2d7bd8a | 2014-08-30 19:28:05 +0200 | [diff] [blame] | 914 | |
| 915 | printk(BIOS_DEBUG, "ACPI: * FACS\n"); |
Patrick Georgi | 133108a | 2015-08-08 23:20:58 +0200 | [diff] [blame] | 916 | current = (ALIGN(current, 64)); |
Vladimir Serbinenko | 2d7bd8a | 2014-08-30 19:28:05 +0200 | [diff] [blame] | 917 | facs = (acpi_facs_t *) current; |
| 918 | current += sizeof(acpi_facs_t); |
Aaron Durbin | 07a1b28 | 2015-12-10 17:07:38 -0600 | [diff] [blame] | 919 | current = acpi_align_current(current); |
Vladimir Serbinenko | 2d7bd8a | 2014-08-30 19:28:05 +0200 | [diff] [blame] | 920 | acpi_create_facs(facs); |
| 921 | |
| 922 | printk(BIOS_DEBUG, "ACPI: * DSDT\n"); |
| 923 | dsdt = (acpi_header_t *) current; |
Vladimir Serbinenko | 36f8d27 | 2015-05-31 12:31:59 +0200 | [diff] [blame] | 924 | memcpy(dsdt, dsdt_file, sizeof(acpi_header_t)); |
Vladimir Serbinenko | 334fd8e | 2014-10-05 11:10:35 +0200 | [diff] [blame] | 925 | if (dsdt->length >= sizeof(acpi_header_t)) { |
| 926 | current += sizeof(acpi_header_t); |
| 927 | |
| 928 | acpigen_set_current((char *) current); |
| 929 | for (dev = all_devices; dev; dev = dev->next) |
| 930 | if (dev->ops && dev->ops->acpi_inject_dsdt_generator) { |
Alexander Couzens | a90dad1 | 2015-04-12 21:49:46 +0200 | [diff] [blame] | 931 | dev->ops->acpi_inject_dsdt_generator(dev); |
Vladimir Serbinenko | 334fd8e | 2014-10-05 11:10:35 +0200 | [diff] [blame] | 932 | } |
| 933 | current = (unsigned long) acpigen_get_current(); |
| 934 | memcpy((char *)current, |
Vladimir Serbinenko | 36f8d27 | 2015-05-31 12:31:59 +0200 | [diff] [blame] | 935 | (char *)dsdt_file + sizeof(acpi_header_t), |
Vladimir Serbinenko | 334fd8e | 2014-10-05 11:10:35 +0200 | [diff] [blame] | 936 | dsdt->length - sizeof(acpi_header_t)); |
| 937 | current += dsdt->length - sizeof(acpi_header_t); |
| 938 | |
| 939 | /* (Re)calculate length and checksum. */ |
| 940 | dsdt->length = current - (unsigned long)dsdt; |
| 941 | dsdt->checksum = 0; |
| 942 | dsdt->checksum = acpi_checksum((void *)dsdt, dsdt->length); |
| 943 | } |
Vladimir Serbinenko | 2d7bd8a | 2014-08-30 19:28:05 +0200 | [diff] [blame] | 944 | |
Aaron Durbin | 07a1b28 | 2015-12-10 17:07:38 -0600 | [diff] [blame] | 945 | current = acpi_align_current(current); |
Vladimir Serbinenko | 2d7bd8a | 2014-08-30 19:28:05 +0200 | [diff] [blame] | 946 | |
| 947 | printk(BIOS_DEBUG, "ACPI: * FADT\n"); |
| 948 | fadt = (acpi_fadt_t *) current; |
| 949 | current += sizeof(acpi_fadt_t); |
Aaron Durbin | 07a1b28 | 2015-12-10 17:07:38 -0600 | [diff] [blame] | 950 | current = acpi_align_current(current); |
Vladimir Serbinenko | 2d7bd8a | 2014-08-30 19:28:05 +0200 | [diff] [blame] | 951 | |
| 952 | acpi_create_fadt(fadt, facs, dsdt); |
| 953 | acpi_add_table(rsdp, fadt); |
| 954 | |
Vladimir Serbinenko | 351fefc | 2014-10-26 20:42:08 +0100 | [diff] [blame] | 955 | if (slic_file) { |
| 956 | printk(BIOS_DEBUG, "ACPI: * SLIC\n"); |
| 957 | slic = (acpi_header_t *)current; |
| 958 | memcpy(slic, slic_file, slic_file->length); |
| 959 | current += slic_file->length; |
Aaron Durbin | 07a1b28 | 2015-12-10 17:07:38 -0600 | [diff] [blame] | 960 | current = acpi_align_current(current); |
Vladimir Serbinenko | 351fefc | 2014-10-26 20:42:08 +0100 | [diff] [blame] | 961 | acpi_add_table(rsdp, slic); |
| 962 | } |
Vladimir Serbinenko | 2d7bd8a | 2014-08-30 19:28:05 +0200 | [diff] [blame] | 963 | |
| 964 | printk(BIOS_DEBUG, "ACPI: * SSDT\n"); |
| 965 | ssdt = (acpi_header_t *)current; |
| 966 | acpi_create_ssdt_generator(ssdt, ACPI_TABLE_CREATOR); |
Vladimir Serbinenko | 9310df8 | 2014-10-10 20:40:41 +0200 | [diff] [blame] | 967 | if (ssdt->length > sizeof(acpi_header_t)) { |
| 968 | current += ssdt->length; |
| 969 | acpi_add_table(rsdp, ssdt); |
Aaron Durbin | 07a1b28 | 2015-12-10 17:07:38 -0600 | [diff] [blame] | 970 | current = acpi_align_current(current); |
Vladimir Serbinenko | 9310df8 | 2014-10-10 20:40:41 +0200 | [diff] [blame] | 971 | } |
Vladimir Serbinenko | 2d7bd8a | 2014-08-30 19:28:05 +0200 | [diff] [blame] | 972 | |
| 973 | printk(BIOS_DEBUG, "ACPI: * MCFG\n"); |
| 974 | mcfg = (acpi_mcfg_t *) current; |
| 975 | acpi_create_mcfg(mcfg); |
| 976 | if (mcfg->header.length > sizeof(acpi_mcfg_t)) { |
| 977 | current += mcfg->header.length; |
Aaron Durbin | 07a1b28 | 2015-12-10 17:07:38 -0600 | [diff] [blame] | 978 | current = acpi_align_current(current); |
Vladimir Serbinenko | 2d7bd8a | 2014-08-30 19:28:05 +0200 | [diff] [blame] | 979 | acpi_add_table(rsdp, mcfg); |
| 980 | } |
| 981 | |
Vladimir Serbinenko | f44ac13 | 2015-05-20 19:52:01 +0200 | [diff] [blame] | 982 | printk(BIOS_DEBUG, "ACPI: * TCPA\n"); |
| 983 | tcpa = (acpi_tcpa_t *) current; |
| 984 | acpi_create_tcpa(tcpa); |
| 985 | if (tcpa->header.length >= sizeof(acpi_tcpa_t)) { |
| 986 | current += tcpa->header.length; |
Aaron Durbin | 07a1b28 | 2015-12-10 17:07:38 -0600 | [diff] [blame] | 987 | current = acpi_align_current(current); |
Vladimir Serbinenko | f44ac13 | 2015-05-20 19:52:01 +0200 | [diff] [blame] | 988 | acpi_add_table(rsdp, tcpa); |
| 989 | } |
| 990 | |
Vladimir Serbinenko | 2d7bd8a | 2014-08-30 19:28:05 +0200 | [diff] [blame] | 991 | printk(BIOS_DEBUG, "ACPI: * MADT\n"); |
| 992 | |
| 993 | madt = (acpi_madt_t *) current; |
| 994 | acpi_create_madt(madt); |
| 995 | if (madt->header.length > sizeof(acpi_madt_t)) { |
| 996 | current+=madt->header.length; |
| 997 | acpi_add_table(rsdp,madt); |
| 998 | } |
Aaron Durbin | 07a1b28 | 2015-12-10 17:07:38 -0600 | [diff] [blame] | 999 | current = acpi_align_current(current); |
Vladimir Serbinenko | 2d7bd8a | 2014-08-30 19:28:05 +0200 | [diff] [blame] | 1000 | |
| 1001 | printk(BIOS_DEBUG, "current = %lx\n", current); |
| 1002 | |
| 1003 | for (dev = all_devices; dev; dev = dev->next) { |
| 1004 | if (dev->ops && dev->ops->write_acpi_tables) { |
Alexander Couzens | 83fc32f | 2015-04-12 22:28:37 +0200 | [diff] [blame] | 1005 | current = dev->ops->write_acpi_tables(dev, current, rsdp); |
Aaron Durbin | 07a1b28 | 2015-12-10 17:07:38 -0600 | [diff] [blame] | 1006 | current = acpi_align_current(current); |
Vladimir Serbinenko | 2d7bd8a | 2014-08-30 19:28:05 +0200 | [diff] [blame] | 1007 | } |
| 1008 | } |
| 1009 | |
| 1010 | printk(BIOS_INFO, "ACPI: done.\n"); |
| 1011 | return current; |
| 1012 | } |
Vladimir Serbinenko | 2d7bd8a | 2014-08-30 19:28:05 +0200 | [diff] [blame] | 1013 | |
Rudolf Marek | 33cafe5 | 2009-04-13 18:07:02 +0000 | [diff] [blame] | 1014 | static acpi_rsdp_t *valid_rsdp(acpi_rsdp_t *rsdp) |
| 1015 | { |
| 1016 | if (strncmp((char *)rsdp, RSDP_SIG, sizeof(RSDP_SIG) - 1) != 0) |
| 1017 | return NULL; |
| 1018 | |
Stefan Reinauer | c02b4fc | 2010-03-22 11:42:32 +0000 | [diff] [blame] | 1019 | printk(BIOS_DEBUG, "Looking on %p for valid checksum\n", rsdp); |
Rudolf Marek | 33cafe5 | 2009-04-13 18:07:02 +0000 | [diff] [blame] | 1020 | |
| 1021 | if (acpi_checksum((void *)rsdp, 20) != 0) |
| 1022 | return NULL; |
Stefan Reinauer | c02b4fc | 2010-03-22 11:42:32 +0000 | [diff] [blame] | 1023 | printk(BIOS_DEBUG, "Checksum 1 passed\n"); |
Rudolf Marek | 33cafe5 | 2009-04-13 18:07:02 +0000 | [diff] [blame] | 1024 | |
| 1025 | if ((rsdp->revision > 1) && (acpi_checksum((void *)rsdp, |
| 1026 | rsdp->length) != 0)) |
| 1027 | return NULL; |
Stefan Reinauer | c02b4fc | 2010-03-22 11:42:32 +0000 | [diff] [blame] | 1028 | printk(BIOS_DEBUG, "Checksum 2 passed all OK\n"); |
Rudolf Marek | 33cafe5 | 2009-04-13 18:07:02 +0000 | [diff] [blame] | 1029 | |
| 1030 | return rsdp; |
| 1031 | } |
| 1032 | |
Rudolf Marek | 33cafe5 | 2009-04-13 18:07:02 +0000 | [diff] [blame] | 1033 | void *acpi_find_wakeup_vector(void) |
| 1034 | { |
| 1035 | char *p, *end; |
Rudolf Marek | 33cafe5 | 2009-04-13 18:07:02 +0000 | [diff] [blame] | 1036 | acpi_rsdt_t *rsdt; |
| 1037 | acpi_facs_t *facs; |
Martin Roth | c5f4926 | 2012-12-14 19:17:55 -0700 | [diff] [blame] | 1038 | acpi_fadt_t *fadt = NULL; |
Kyösti Mälkki | 072d436b | 2016-06-17 08:44:40 +0300 | [diff] [blame] | 1039 | acpi_rsdp_t *rsdp = NULL; |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 1040 | void *wake_vec; |
Rudolf Marek | 33cafe5 | 2009-04-13 18:07:02 +0000 | [diff] [blame] | 1041 | int i; |
| 1042 | |
Rudolf Marek | 33cafe5 | 2009-04-13 18:07:02 +0000 | [diff] [blame] | 1043 | if (!acpi_is_wakeup()) |
| 1044 | return NULL; |
| 1045 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 1046 | printk(BIOS_DEBUG, "Trying to find the wakeup vector...\n"); |
Rudolf Marek | 33cafe5 | 2009-04-13 18:07:02 +0000 | [diff] [blame] | 1047 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 1048 | /* Find RSDP. */ |
| 1049 | for (p = (char *)0xe0000; p < (char *)0xfffff; p += 16) { |
| 1050 | if ((rsdp = valid_rsdp((acpi_rsdp_t *)p))) |
Rudolf Marek | 33cafe5 | 2009-04-13 18:07:02 +0000 | [diff] [blame] | 1051 | break; |
| 1052 | } |
| 1053 | |
| 1054 | if (rsdp == NULL) |
| 1055 | return NULL; |
| 1056 | |
Stefan Reinauer | c02b4fc | 2010-03-22 11:42:32 +0000 | [diff] [blame] | 1057 | printk(BIOS_DEBUG, "RSDP found at %p\n", rsdp); |
Stefan Reinauer | 71a3018 | 2015-07-30 16:28:13 -0700 | [diff] [blame] | 1058 | rsdt = (acpi_rsdt_t *)(uintptr_t)rsdp->rsdt_address; |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1059 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 1060 | end = (char *)rsdt + rsdt->header.length; |
Stefan Reinauer | c02b4fc | 2010-03-22 11:42:32 +0000 | [diff] [blame] | 1061 | 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] | 1062 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 1063 | for (i = 0; ((char *)&rsdt->entry[i]) < end; i++) { |
Stefan Reinauer | 71a3018 | 2015-07-30 16:28:13 -0700 | [diff] [blame] | 1064 | fadt = (acpi_fadt_t *)(uintptr_t)rsdt->entry[i]; |
Stefan Reinauer | cdfe376 | 2009-07-21 22:15:43 +0000 | [diff] [blame] | 1065 | if (strncmp((char *)fadt, "FACP", 4) == 0) |
Rudolf Marek | 33cafe5 | 2009-04-13 18:07:02 +0000 | [diff] [blame] | 1066 | break; |
| 1067 | fadt = NULL; |
| 1068 | } |
| 1069 | |
| 1070 | if (fadt == NULL) |
| 1071 | return NULL; |
| 1072 | |
Stefan Reinauer | c02b4fc | 2010-03-22 11:42:32 +0000 | [diff] [blame] | 1073 | printk(BIOS_DEBUG, "FADT found at %p\n", fadt); |
Stefan Reinauer | 71a3018 | 2015-07-30 16:28:13 -0700 | [diff] [blame] | 1074 | facs = (acpi_facs_t *)(uintptr_t)fadt->firmware_ctrl; |
Rudolf Marek | 33cafe5 | 2009-04-13 18:07:02 +0000 | [diff] [blame] | 1075 | |
Stefan Reinauer | 7e9771c | 2009-04-22 08:17:38 +0000 | [diff] [blame] | 1076 | if (facs == NULL) { |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 1077 | printk(BIOS_DEBUG, "No FACS found, wake up from S3 not " |
| 1078 | "possible.\n"); |
Rudolf Marek | 33cafe5 | 2009-04-13 18:07:02 +0000 | [diff] [blame] | 1079 | return NULL; |
Stefan Reinauer | 7e9771c | 2009-04-22 08:17:38 +0000 | [diff] [blame] | 1080 | } |
Rudolf Marek | 33cafe5 | 2009-04-13 18:07:02 +0000 | [diff] [blame] | 1081 | |
Stefan Reinauer | c02b4fc | 2010-03-22 11:42:32 +0000 | [diff] [blame] | 1082 | printk(BIOS_DEBUG, "FACS found at %p\n", facs); |
Stefan Reinauer | 71a3018 | 2015-07-30 16:28:13 -0700 | [diff] [blame] | 1083 | wake_vec = (void *)(uintptr_t)facs->firmware_waking_vector; |
Stefan Reinauer | c02b4fc | 2010-03-22 11:42:32 +0000 | [diff] [blame] | 1084 | printk(BIOS_DEBUG, "OS waking vector is %p\n", wake_vec); |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 1085 | |
Rudolf Marek | 33cafe5 | 2009-04-13 18:07:02 +0000 | [diff] [blame] | 1086 | return wake_vec; |
| 1087 | } |
| 1088 | |
Duncan Laurie | 11290c4 | 2012-10-03 19:07:05 -0700 | [diff] [blame] | 1089 | void acpi_save_gnvs(u32 gnvs_address) |
| 1090 | { |
Duncan Laurie | 9c07c8f | 2013-03-22 11:08:39 -0700 | [diff] [blame] | 1091 | u32 *gnvs = cbmem_add(CBMEM_ID_ACPI_GNVS_PTR, sizeof(*gnvs)); |
Duncan Laurie | 11290c4 | 2012-10-03 19:07:05 -0700 | [diff] [blame] | 1092 | if (gnvs) |
| 1093 | *gnvs = gnvs_address; |
| 1094 | } |