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 | |
Myles Watson | 3fe6b70 | 2009-10-09 20:13:43 +0000 | [diff] [blame] | 310 | 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] | 311 | { |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 312 | unsigned long current = (unsigned long)ssdt + sizeof(acpi_header_t); |
| 313 | |
Rudolf Marek | 293b5f5 | 2009-02-01 18:35:15 +0000 | [diff] [blame] | 314 | memset((void *)ssdt, 0, sizeof(acpi_header_t)); |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 315 | |
Stefan Reinauer | cdfe376 | 2009-07-21 22:15:43 +0000 | [diff] [blame] | 316 | memcpy(&ssdt->signature, "SSDT", 4); |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 317 | 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] | 318 | memcpy(&ssdt->oem_id, OEM_ID, 6); |
| 319 | memcpy(&ssdt->oem_table_id, oem_table_id, 8); |
| 320 | ssdt->oem_revision = 42; |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 321 | memcpy(&ssdt->asl_compiler_id, ASLC, 4); |
Rudolf Marek | 293b5f5 | 2009-02-01 18:35:15 +0000 | [diff] [blame] | 322 | ssdt->asl_compiler_revision = 42; |
| 323 | ssdt->length = sizeof(acpi_header_t); |
| 324 | |
Stefan Reinauer | 8dcd50b | 2009-03-06 17:24:29 +0000 | [diff] [blame] | 325 | acpigen_set_current((char *) current); |
Vladimir Serbinenko | 2d7bd8a | 2014-08-30 19:28:05 +0200 | [diff] [blame] | 326 | { |
Edward O'Callaghan | 2c9d2cf | 2014-10-27 23:29:29 +1100 | [diff] [blame] | 327 | struct device *dev; |
Vladimir Serbinenko | 2d7bd8a | 2014-08-30 19:28:05 +0200 | [diff] [blame] | 328 | for (dev = all_devices; dev; dev = dev->next) |
| 329 | if (dev->ops && dev->ops->acpi_fill_ssdt_generator) { |
Alexander Couzens | 5eea458 | 2015-04-12 22:18:55 +0200 | [diff] [blame] | 330 | dev->ops->acpi_fill_ssdt_generator(dev); |
Vladimir Serbinenko | 2d7bd8a | 2014-08-30 19:28:05 +0200 | [diff] [blame] | 331 | } |
Vladimir Serbinenko | 0a66991 | 2014-10-05 14:34:17 +0200 | [diff] [blame] | 332 | current = (unsigned long) acpigen_get_current(); |
Vladimir Serbinenko | 2d7bd8a | 2014-08-30 19:28:05 +0200 | [diff] [blame] | 333 | } |
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 | /* (Re)calculate length and checksum. */ |
Rudolf Marek | 293b5f5 | 2009-02-01 18:35:15 +0000 | [diff] [blame] | 336 | ssdt->length = current - (unsigned long)ssdt; |
| 337 | ssdt->checksum = acpi_checksum((void *)ssdt, ssdt->length); |
| 338 | } |
| 339 | |
Stefan Reinauer | f622d59 | 2005-11-26 16:56:05 +0000 | [diff] [blame] | 340 | int acpi_create_srat_lapic(acpi_srat_lapic_t *lapic, u8 node, u8 apic) |
| 341 | { |
Myles Watson | 0b4c9f0 | 2009-03-10 18:06:47 +0000 | [diff] [blame] | 342 | memset((void *)lapic, 0, sizeof(acpi_srat_lapic_t)); |
Stefan Reinauer | f622d59 | 2005-11-26 16:56:05 +0000 | [diff] [blame] | 343 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 344 | lapic->type = 0; /* Processor local APIC/SAPIC affinity structure */ |
| 345 | lapic->length = sizeof(acpi_srat_lapic_t); |
| 346 | lapic->flags = (1 << 0); /* Enabled (the use of this structure). */ |
| 347 | lapic->proximity_domain_7_0 = node; |
| 348 | /* TODO: proximity_domain_31_8, local SAPIC EID, clock domain. */ |
| 349 | lapic->apic_id = apic; |
Stefan Reinauer | f622d59 | 2005-11-26 16:56:05 +0000 | [diff] [blame] | 350 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 351 | return lapic->length; |
Stefan Reinauer | f622d59 | 2005-11-26 16:56:05 +0000 | [diff] [blame] | 352 | } |
| 353 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 354 | 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] | 355 | u32 flags) |
Stefan Reinauer | f622d59 | 2005-11-26 16:56:05 +0000 | [diff] [blame] | 356 | { |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 357 | mem->type = 1; /* Memory affinity structure */ |
| 358 | mem->length = sizeof(acpi_srat_mem_t); |
| 359 | mem->base_address_low = (basek << 10); |
| 360 | mem->base_address_high = (basek >> (32 - 10)); |
| 361 | mem->length_low = (sizek << 10); |
| 362 | mem->length_high = (sizek >> (32 - 10)); |
| 363 | mem->proximity_domain = node; |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 364 | mem->flags = flags; |
Stefan Reinauer | f622d59 | 2005-11-26 16:56:05 +0000 | [diff] [blame] | 365 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 366 | return mem->length; |
Stefan Reinauer | f622d59 | 2005-11-26 16:56:05 +0000 | [diff] [blame] | 367 | } |
| 368 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 369 | /* http://www.microsoft.com/whdc/system/sysinternals/sratdwn.mspx */ |
Vladimir Serbinenko | 5e59757 | 2014-10-11 23:45:40 +0200 | [diff] [blame] | 370 | void acpi_create_srat(acpi_srat_t *srat, |
| 371 | unsigned long (*acpi_fill_srat)(unsigned long current)) |
Stefan Reinauer | f622d59 | 2005-11-26 16:56:05 +0000 | [diff] [blame] | 372 | { |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 373 | acpi_header_t *header = &(srat->header); |
| 374 | unsigned long current = (unsigned long)srat + sizeof(acpi_srat_t); |
Stefan Reinauer | f622d59 | 2005-11-26 16:56:05 +0000 | [diff] [blame] | 375 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 376 | memset((void *)srat, 0, sizeof(acpi_srat_t)); |
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 | /* Fill out header fields. */ |
| 379 | memcpy(header->signature, "SRAT", 4); |
| 380 | memcpy(header->oem_id, OEM_ID, 6); |
| 381 | memcpy(header->oem_table_id, ACPI_TABLE_CREATOR, 8); |
| 382 | memcpy(header->asl_compiler_id, ASLC, 4); |
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 | header->length = sizeof(acpi_srat_t); |
| 385 | 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] | 386 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 387 | srat->resv = 1; /* Spec: Reserved to 1 for backwards compatibility. */ |
Stefan Reinauer | f622d59 | 2005-11-26 16:56:05 +0000 | [diff] [blame] | 388 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 389 | current = acpi_fill_srat(current); |
Stefan Reinauer | f622d59 | 2005-11-26 16:56:05 +0000 | [diff] [blame] | 390 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 391 | /* (Re)calculate length and checksum. */ |
| 392 | header->length = current - (unsigned long)srat; |
| 393 | header->checksum = acpi_checksum((void *)srat, header->length); |
Stefan Reinauer | f622d59 | 2005-11-26 16:56:05 +0000 | [diff] [blame] | 394 | } |
| 395 | |
Nico Huber | e561f35 | 2015-10-26 11:51:25 +0100 | [diff] [blame] | 396 | void acpi_create_dmar(acpi_dmar_t *dmar, enum dmar_flags flags, |
Vladimir Serbinenko | 8d70e94 | 2014-11-09 13:22:27 +0100 | [diff] [blame] | 397 | unsigned long (*acpi_fill_dmar) (unsigned long)) |
Patrick Georgi | 3b590ff | 2012-09-11 15:21:01 +0200 | [diff] [blame] | 398 | { |
| 399 | acpi_header_t *header = &(dmar->header); |
| 400 | unsigned long current = (unsigned long)dmar + sizeof(acpi_dmar_t); |
| 401 | |
| 402 | memset((void *)dmar, 0, sizeof(acpi_dmar_t)); |
| 403 | |
| 404 | /* Fill out header fields. */ |
| 405 | memcpy(header->signature, "DMAR", 4); |
| 406 | memcpy(header->oem_id, OEM_ID, 6); |
| 407 | memcpy(header->oem_table_id, ACPI_TABLE_CREATOR, 8); |
| 408 | memcpy(header->asl_compiler_id, ASLC, 4); |
| 409 | |
| 410 | header->length = sizeof(acpi_dmar_t); |
| 411 | header->revision = 1; |
| 412 | |
Jacob Laska | f3f654d | 2016-03-15 21:53:27 -0500 | [diff] [blame] | 413 | dmar->host_address_width = cpu_phys_address_size() - 1; |
Nico Huber | e561f35 | 2015-10-26 11:51:25 +0100 | [diff] [blame] | 414 | dmar->flags = flags; |
Patrick Georgi | 3b590ff | 2012-09-11 15:21:01 +0200 | [diff] [blame] | 415 | |
| 416 | current = acpi_fill_dmar(current); |
| 417 | |
| 418 | /* (Re)calculate length and checksum. */ |
| 419 | header->length = current - (unsigned long)dmar; |
| 420 | header->checksum = acpi_checksum((void *)dmar, header->length); |
| 421 | } |
| 422 | |
| 423 | unsigned long acpi_create_dmar_drhd(unsigned long current, u8 flags, |
| 424 | u16 segment, u32 bar) |
| 425 | { |
| 426 | dmar_entry_t *drhd = (dmar_entry_t *)current; |
| 427 | memset(drhd, 0, sizeof(*drhd)); |
| 428 | drhd->type = DMAR_DRHD; |
| 429 | drhd->length = sizeof(*drhd); /* will be fixed up later */ |
| 430 | drhd->flags = flags; |
| 431 | drhd->segment = segment; |
| 432 | drhd->bar = bar; |
| 433 | |
| 434 | return drhd->length; |
| 435 | } |
| 436 | |
Werner Zeh | d4d7695 | 2016-07-27 06:56:36 +0200 | [diff] [blame^] | 437 | unsigned long acpi_create_dmar_atsr(unsigned long current, u8 flags, |
| 438 | u16 segment) |
| 439 | { |
| 440 | dmar_atsr_entry_t *atsr = (dmar_atsr_entry_t *)current; |
| 441 | memset(atsr, 0, sizeof(*atsr)); |
| 442 | atsr->type = DMAR_ATSR; |
| 443 | atsr->length = sizeof(*atsr); /* will be fixed up later */ |
| 444 | atsr->flags = flags; |
| 445 | atsr->segment = segment; |
| 446 | |
| 447 | return atsr->length; |
| 448 | } |
| 449 | |
Patrick Georgi | 3b590ff | 2012-09-11 15:21:01 +0200 | [diff] [blame] | 450 | void acpi_dmar_drhd_fixup(unsigned long base, unsigned long current) |
| 451 | { |
| 452 | dmar_entry_t *drhd = (dmar_entry_t *)base; |
| 453 | drhd->length = current - base; |
| 454 | } |
| 455 | |
Werner Zeh | d4d7695 | 2016-07-27 06:56:36 +0200 | [diff] [blame^] | 456 | void acpi_dmar_atsr_fixup(unsigned long base, unsigned long current) |
| 457 | { |
| 458 | dmar_atsr_entry_t *atsr = (dmar_atsr_entry_t *)base; |
| 459 | atsr->length = current - base; |
| 460 | } |
| 461 | |
Nico Huber | 6c4751d | 2015-10-26 12:03:54 +0100 | [diff] [blame] | 462 | static unsigned long acpi_create_dmar_drhd_ds(unsigned long current, |
| 463 | 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] | 464 | { |
Nico Huber | 6c4751d | 2015-10-26 12:03:54 +0100 | [diff] [blame] | 465 | /* we don't support longer paths yet */ |
| 466 | const size_t dev_scope_length = sizeof(dev_scope_t) + 2; |
| 467 | |
Patrick Georgi | 3b590ff | 2012-09-11 15:21:01 +0200 | [diff] [blame] | 468 | dev_scope_t *ds = (dev_scope_t *)current; |
Nico Huber | 6c4751d | 2015-10-26 12:03:54 +0100 | [diff] [blame] | 469 | memset(ds, 0, dev_scope_length); |
| 470 | ds->type = type; |
| 471 | ds->length = dev_scope_length; |
| 472 | ds->enumeration = enumeration_id; |
| 473 | ds->start_bus = bus; |
| 474 | ds->path[0].dev = dev; |
| 475 | ds->path[0].fn = fn; |
Patrick Georgi | 3b590ff | 2012-09-11 15:21:01 +0200 | [diff] [blame] | 476 | |
| 477 | return ds->length; |
| 478 | } |
| 479 | |
Nico Huber | 6c4751d | 2015-10-26 12:03:54 +0100 | [diff] [blame] | 480 | unsigned long acpi_create_dmar_drhd_ds_pci(unsigned long current, u8 bus, |
| 481 | u8 dev, u8 fn) |
| 482 | { |
| 483 | return acpi_create_dmar_drhd_ds(current, |
| 484 | SCOPE_PCI_ENDPOINT, 0, bus, dev, fn); |
| 485 | } |
| 486 | |
| 487 | unsigned long acpi_create_dmar_drhd_ds_ioapic(unsigned long current, |
| 488 | u8 enumeration_id, u8 bus, u8 dev, u8 fn) |
| 489 | { |
| 490 | return acpi_create_dmar_drhd_ds(current, |
| 491 | SCOPE_IOAPIC, enumeration_id, bus, dev, fn); |
| 492 | } |
| 493 | |
| 494 | unsigned long acpi_create_dmar_drhd_ds_msi_hpet(unsigned long current, |
| 495 | u8 enumeration_id, u8 bus, u8 dev, u8 fn) |
| 496 | { |
| 497 | return acpi_create_dmar_drhd_ds(current, |
| 498 | SCOPE_MSI_HPET, enumeration_id, bus, dev, fn); |
| 499 | } |
| 500 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 501 | /* http://h21007.www2.hp.com/portal/download/files/unprot/Itanium/slit.pdf */ |
Vladimir Serbinenko | 5e59757 | 2014-10-11 23:45:40 +0200 | [diff] [blame] | 502 | void acpi_create_slit(acpi_slit_t *slit, |
| 503 | unsigned long (*acpi_fill_slit)(unsigned long current)) |
Yinghai Lu | d4b278c | 2006-10-04 20:46:15 +0000 | [diff] [blame] | 504 | { |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 505 | acpi_header_t *header = &(slit->header); |
| 506 | unsigned long current = (unsigned long)slit + sizeof(acpi_slit_t); |
Yinghai Lu | d4b278c | 2006-10-04 20:46:15 +0000 | [diff] [blame] | 507 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 508 | memset((void *)slit, 0, sizeof(acpi_slit_t)); |
Yinghai Lu | d4b278c | 2006-10-04 20:46:15 +0000 | [diff] [blame] | 509 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 510 | /* Fill out header fields. */ |
| 511 | memcpy(header->signature, "SLIT", 4); |
| 512 | memcpy(header->oem_id, OEM_ID, 6); |
| 513 | memcpy(header->oem_table_id, ACPI_TABLE_CREATOR, 8); |
| 514 | memcpy(header->asl_compiler_id, ASLC, 4); |
Yinghai Lu | d4b278c | 2006-10-04 20:46:15 +0000 | [diff] [blame] | 515 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 516 | header->length = sizeof(acpi_slit_t); |
| 517 | 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] | 518 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 519 | current = acpi_fill_slit(current); |
Yinghai Lu | d4b278c | 2006-10-04 20:46:15 +0000 | [diff] [blame] | 520 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 521 | /* (Re)calculate length and checksum. */ |
| 522 | header->length = current - (unsigned long)slit; |
| 523 | header->checksum = acpi_checksum((void *)slit, header->length); |
Yinghai Lu | d4b278c | 2006-10-04 20:46:15 +0000 | [diff] [blame] | 524 | } |
| 525 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 526 | /* http://www.intel.com/hardwaredesign/hpetspec_1.pdf */ |
Stefan Reinauer | 777224c | 2005-01-19 14:06:41 +0000 | [diff] [blame] | 527 | void acpi_create_hpet(acpi_hpet_t *hpet) |
Stefan Reinauer | 688b385 | 2004-01-28 16:56:14 +0000 | [diff] [blame] | 528 | { |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 529 | acpi_header_t *header = &(hpet->header); |
| 530 | acpi_addr_t *addr = &(hpet->addr); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 531 | |
Stefan Reinauer | a7648c2 | 2004-01-29 17:31:34 +0000 | [diff] [blame] | 532 | memset((void *)hpet, 0, sizeof(acpi_hpet_t)); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 533 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 534 | /* Fill out header fields. */ |
Stefan Reinauer | 4704dc5 | 2009-07-22 01:11:37 +0000 | [diff] [blame] | 535 | memcpy(header->signature, "HPET", 4); |
Stefan Reinauer | 688b385 | 2004-01-28 16:56:14 +0000 | [diff] [blame] | 536 | memcpy(header->oem_id, OEM_ID, 6); |
Stefan Reinauer | cdfe376 | 2009-07-21 22:15:43 +0000 | [diff] [blame] | 537 | memcpy(header->oem_table_id, ACPI_TABLE_CREATOR, 8); |
Stefan Reinauer | 688b385 | 2004-01-28 16:56:14 +0000 | [diff] [blame] | 538 | memcpy(header->asl_compiler_id, ASLC, 4); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 539 | |
Stefan Reinauer | 688b385 | 2004-01-28 16:56:14 +0000 | [diff] [blame] | 540 | header->length = sizeof(acpi_hpet_t); |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 541 | header->revision = 1; /* Currently 1. Table added in ACPI 2.0. */ |
Stefan Reinauer | 688b385 | 2004-01-28 16:56:14 +0000 | [diff] [blame] | 542 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 543 | /* Fill out HPET address. */ |
| 544 | addr->space_id = 0; /* Memory */ |
| 545 | addr->bit_width = 64; |
| 546 | addr->bit_offset = 0; |
Patrick Georgi | 9aeb694 | 2012-10-05 21:54:38 +0200 | [diff] [blame] | 547 | addr->addrl = CONFIG_HPET_ADDRESS & 0xffffffff; |
| 548 | addr->addrh = ((unsigned long long)CONFIG_HPET_ADDRESS) >> 32; |
Stefan Reinauer | 688b385 | 2004-01-28 16:56:14 +0000 | [diff] [blame] | 549 | |
Patrick Georgi | 9aeb694 | 2012-10-05 21:54:38 +0200 | [diff] [blame] | 550 | hpet->id = *(unsigned int*)CONFIG_HPET_ADDRESS; |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 551 | hpet->number = 0; |
Patrick Georgi | 9aeb694 | 2012-10-05 21:54:38 +0200 | [diff] [blame] | 552 | hpet->min_tick = CONFIG_HPET_MIN_TICKS; |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 553 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 554 | header->checksum = acpi_checksum((void *)hpet, sizeof(acpi_hpet_t)); |
Stefan Reinauer | 688b385 | 2004-01-28 16:56:14 +0000 | [diff] [blame] | 555 | } |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 556 | |
Timothy Pearson | ff8ccf0 | 2015-08-11 17:48:32 -0500 | [diff] [blame] | 557 | void acpi_create_ivrs(acpi_ivrs_t *ivrs, |
| 558 | unsigned long (*acpi_fill_ivrs)(acpi_ivrs_t* ivrs_struct, unsigned long current)) |
| 559 | { |
| 560 | acpi_header_t *header = &(ivrs->header); |
| 561 | unsigned long current = (unsigned long)ivrs + sizeof(acpi_ivrs_t); |
| 562 | |
| 563 | memset((void *)ivrs, 0, sizeof(acpi_ivrs_t)); |
| 564 | |
| 565 | /* Fill out header fields. */ |
| 566 | memcpy(header->signature, "IVRS", 4); |
| 567 | memcpy(header->oem_id, OEM_ID, 6); |
| 568 | memcpy(header->oem_table_id, ACPI_TABLE_CREATOR, 8); |
| 569 | memcpy(header->asl_compiler_id, ASLC, 4); |
| 570 | |
| 571 | header->length = sizeof(acpi_ivrs_t); |
| 572 | header->revision = 1; /* ACPI 1.0: N/A, ACPI 2.0/3.0/4.0: 1 */ |
| 573 | |
| 574 | current = acpi_fill_ivrs(ivrs, current); |
| 575 | |
| 576 | /* (Re)calculate length and checksum. */ |
| 577 | header->length = current - (unsigned long)ivrs; |
| 578 | header->checksum = acpi_checksum((void *)ivrs, header->length); |
| 579 | } |
| 580 | |
Alexander Couzens | 83fc32f | 2015-04-12 22:28:37 +0200 | [diff] [blame] | 581 | 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] | 582 | { |
| 583 | acpi_hpet_t *hpet; |
| 584 | |
| 585 | /* |
| 586 | * We explicitly add these tables later on: |
| 587 | */ |
| 588 | printk(BIOS_DEBUG, "ACPI: * HPET\n"); |
| 589 | |
| 590 | hpet = (acpi_hpet_t *) current; |
| 591 | current += sizeof(acpi_hpet_t); |
| 592 | current = ALIGN(current, 16); |
| 593 | acpi_create_hpet(hpet); |
| 594 | acpi_add_table(rsdp, hpet); |
| 595 | |
| 596 | return current; |
| 597 | } |
| 598 | |
Stefan Reinauer | 777224c | 2005-01-19 14:06:41 +0000 | [diff] [blame] | 599 | void acpi_create_facs(acpi_facs_t *facs) |
Ronald G. Minnich | 02fa3b2 | 2004-10-06 17:33:54 +0000 | [diff] [blame] | 600 | { |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 601 | memset((void *)facs, 0, sizeof(acpi_facs_t)); |
Ronald G. Minnich | 02fa3b2 | 2004-10-06 17:33:54 +0000 | [diff] [blame] | 602 | |
Stefan Reinauer | cdfe376 | 2009-07-21 22:15:43 +0000 | [diff] [blame] | 603 | memcpy(facs->signature, "FACS", 4); |
Ronald G. Minnich | 02fa3b2 | 2004-10-06 17:33:54 +0000 | [diff] [blame] | 604 | facs->length = sizeof(acpi_facs_t); |
| 605 | facs->hardware_signature = 0; |
| 606 | facs->firmware_waking_vector = 0; |
| 607 | facs->global_lock = 0; |
| 608 | facs->flags = 0; |
| 609 | facs->x_firmware_waking_vector_l = 0; |
| 610 | facs->x_firmware_waking_vector_h = 0; |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 611 | 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] | 612 | } |
Stefan Reinauer | 777224c | 2005-01-19 14:06:41 +0000 | [diff] [blame] | 613 | |
Vladimir Serbinenko | 351fefc | 2014-10-26 20:42:08 +0100 | [diff] [blame] | 614 | 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] | 615 | { |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 616 | acpi_header_t *header = &(rsdt->header); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 617 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 618 | /* Fill out header fields. */ |
Stefan Reinauer | cdfe376 | 2009-07-21 22:15:43 +0000 | [diff] [blame] | 619 | memcpy(header->signature, "RSDT", 4); |
Vladimir Serbinenko | 351fefc | 2014-10-26 20:42:08 +0100 | [diff] [blame] | 620 | memcpy(header->oem_id, oem_id, 6); |
| 621 | memcpy(header->oem_table_id, oem_table_id, 8); |
Stefan Reinauer | 688b385 | 2004-01-28 16:56:14 +0000 | [diff] [blame] | 622 | memcpy(header->asl_compiler_id, ASLC, 4); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 623 | |
Stefan Reinauer | 688b385 | 2004-01-28 16:56:14 +0000 | [diff] [blame] | 624 | header->length = sizeof(acpi_rsdt_t); |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 625 | 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] | 626 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 627 | /* Entries are filled in later, we come with an empty set. */ |
Stefan Reinauer | 688b385 | 2004-01-28 16:56:14 +0000 | [diff] [blame] | 628 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 629 | /* Fix checksum. */ |
Stefan Reinauer | b657a3c | 2009-07-21 21:38:33 +0000 | [diff] [blame] | 630 | header->checksum = acpi_checksum((void *)rsdt, sizeof(acpi_rsdt_t)); |
Stefan Reinauer | 688b385 | 2004-01-28 16:56:14 +0000 | [diff] [blame] | 631 | } |
| 632 | |
Vladimir Serbinenko | 351fefc | 2014-10-26 20:42:08 +0100 | [diff] [blame] | 633 | 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] | 634 | { |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 635 | acpi_header_t *header = &(xsdt->header); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 636 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 637 | /* Fill out header fields. */ |
Stefan Reinauer | cdfe376 | 2009-07-21 22:15:43 +0000 | [diff] [blame] | 638 | memcpy(header->signature, "XSDT", 4); |
Vladimir Serbinenko | 351fefc | 2014-10-26 20:42:08 +0100 | [diff] [blame] | 639 | memcpy(header->oem_id, oem_id, 6); |
| 640 | memcpy(header->oem_table_id, oem_table_id, 8); |
Stefan Reinauer | b657a3c | 2009-07-21 21:38:33 +0000 | [diff] [blame] | 641 | memcpy(header->asl_compiler_id, ASLC, 4); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 642 | |
Stefan Reinauer | b657a3c | 2009-07-21 21:38:33 +0000 | [diff] [blame] | 643 | header->length = sizeof(acpi_xsdt_t); |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 644 | 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] | 645 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 646 | /* Entries are filled in later, we come with an empty set. */ |
Stefan Reinauer | b657a3c | 2009-07-21 21:38:33 +0000 | [diff] [blame] | 647 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 648 | /* Fix checksum. */ |
Stefan Reinauer | b657a3c | 2009-07-21 21:38:33 +0000 | [diff] [blame] | 649 | header->checksum = acpi_checksum((void *)xsdt, sizeof(acpi_xsdt_t)); |
| 650 | } |
| 651 | |
Vladimir Serbinenko | 351fefc | 2014-10-26 20:42:08 +0100 | [diff] [blame] | 652 | static void acpi_write_rsdp(acpi_rsdp_t *rsdp, acpi_rsdt_t *rsdt, |
| 653 | acpi_xsdt_t *xsdt, char *oem_id) |
Stefan Reinauer | 688b385 | 2004-01-28 16:56:14 +0000 | [diff] [blame] | 654 | { |
Stefan Reinauer | d18faac | 2009-11-05 18:06:43 +0000 | [diff] [blame] | 655 | memset(rsdp, 0, sizeof(acpi_rsdp_t)); |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 656 | |
Stefan Reinauer | 688b385 | 2004-01-28 16:56:14 +0000 | [diff] [blame] | 657 | memcpy(rsdp->signature, RSDP_SIG, 8); |
Vladimir Serbinenko | 351fefc | 2014-10-26 20:42:08 +0100 | [diff] [blame] | 658 | memcpy(rsdp->oem_id, oem_id, 6); |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 659 | |
| 660 | rsdp->length = sizeof(acpi_rsdp_t); |
Stefan Reinauer | defee17 | 2015-06-18 01:11:19 -0700 | [diff] [blame] | 661 | rsdp->rsdt_address = (uintptr_t)rsdt; |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 662 | |
| 663 | /* |
| 664 | * Revision: ACPI 1.0: 0, ACPI 2.0/3.0/4.0: 2. |
| 665 | * |
| 666 | * Some OSes expect an XSDT to be present for RSD PTR revisions >= 2. |
| 667 | * If we don't have an ACPI XSDT, force ACPI 1.0 (and thus RSD PTR |
| 668 | * revision 0). |
Stefan Reinauer | b657a3c | 2009-07-21 21:38:33 +0000 | [diff] [blame] | 669 | */ |
| 670 | if (xsdt == NULL) { |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 671 | rsdp->revision = 0; |
Stefan Reinauer | b657a3c | 2009-07-21 21:38:33 +0000 | [diff] [blame] | 672 | } else { |
Stefan Reinauer | defee17 | 2015-06-18 01:11:19 -0700 | [diff] [blame] | 673 | rsdp->xsdt_address = (u64)(uintptr_t)xsdt; |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 674 | rsdp->revision = 2; |
Stefan Reinauer | b657a3c | 2009-07-21 21:38:33 +0000 | [diff] [blame] | 675 | } |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 676 | |
| 677 | /* Calculate checksums. */ |
| 678 | rsdp->checksum = acpi_checksum((void *)rsdp, 20); |
| 679 | rsdp->ext_checksum = acpi_checksum((void *)rsdp, sizeof(acpi_rsdp_t)); |
Stefan Reinauer | 688b385 | 2004-01-28 16:56:14 +0000 | [diff] [blame] | 680 | } |
| 681 | |
zbao | caf494c8 | 2012-04-13 13:57:14 +0800 | [diff] [blame] | 682 | unsigned long acpi_create_hest_error_source(acpi_hest_t *hest, acpi_hest_esd_t *esd, u16 type, void *data, u16 data_len) |
| 683 | { |
| 684 | acpi_header_t *header = &(hest->header); |
| 685 | acpi_hest_hen_t *hen; |
| 686 | void *pos; |
| 687 | u16 len; |
| 688 | |
| 689 | pos = esd; |
| 690 | memset(pos, 0, sizeof(acpi_hest_esd_t)); |
| 691 | len = 0; |
| 692 | esd->type = type; /* MCE */ |
| 693 | esd->source_id = hest->error_source_count; |
| 694 | esd->flags = 0; /* FIRMWARE_FIRST */ |
| 695 | esd->enabled = 1; |
| 696 | esd->prealloc_erecords = 1; |
| 697 | esd->max_section_per_record = 0x1; |
| 698 | |
| 699 | len += sizeof(acpi_hest_esd_t); |
| 700 | pos = esd + 1; |
| 701 | |
| 702 | switch (type) { |
| 703 | case 0: /* MCE */ |
| 704 | break; |
| 705 | case 1: /* CMC */ |
| 706 | hen = (acpi_hest_hen_t *) (pos); |
| 707 | memset(pos, 0, sizeof(acpi_hest_hen_t)); |
| 708 | hen->type = 3; /* SCI? */ |
| 709 | hen->length = sizeof(acpi_hest_hen_t); |
| 710 | hen->conf_we = 0; /* Configuration Write Enable. */ |
| 711 | hen->poll_interval = 0; |
| 712 | hen->vector = 0; |
| 713 | hen->sw2poll_threshold_val = 0; |
| 714 | hen->sw2poll_threshold_win = 0; |
| 715 | hen->error_threshold_val = 0; |
| 716 | hen->error_threshold_win = 0; |
| 717 | len += sizeof(acpi_hest_hen_t); |
| 718 | pos = hen + 1; |
| 719 | break; |
| 720 | case 2: /* NMI */ |
| 721 | case 6: /* AER Root Port */ |
| 722 | case 7: /* AER Endpoint */ |
| 723 | case 8: /* AER Bridge */ |
| 724 | case 9: /* Generic Hardware Error Source. */ |
| 725 | /* TODO: */ |
| 726 | break; |
| 727 | default: |
| 728 | printk(BIOS_DEBUG, "Invalid type of Error Source."); |
| 729 | break; |
| 730 | } |
| 731 | hest->error_source_count ++; |
| 732 | |
| 733 | memcpy(pos, data, data_len); |
| 734 | len += data_len; |
| 735 | header->length += len; |
| 736 | |
| 737 | return len; |
| 738 | } |
| 739 | |
| 740 | /* ACPI 4.0 */ |
Vladimir Serbinenko | 807127f | 2014-11-09 13:36:18 +0100 | [diff] [blame] | 741 | void acpi_write_hest(acpi_hest_t *hest, |
| 742 | unsigned long (*acpi_fill_hest)(acpi_hest_t *hest)) |
zbao | caf494c8 | 2012-04-13 13:57:14 +0800 | [diff] [blame] | 743 | { |
| 744 | acpi_header_t *header = &(hest->header); |
| 745 | |
| 746 | memset(hest, 0, sizeof(acpi_hest_t)); |
| 747 | |
| 748 | memcpy(header->signature, "HEST", 4); |
| 749 | memcpy(header->oem_id, OEM_ID, 6); |
| 750 | memcpy(header->oem_table_id, ACPI_TABLE_CREATOR, 8); |
| 751 | memcpy(header->asl_compiler_id, ASLC, 4); |
| 752 | header->length += sizeof(acpi_hest_t); |
| 753 | header->revision = 1; |
| 754 | |
| 755 | acpi_fill_hest(hest); |
| 756 | |
| 757 | /* Calculate checksums. */ |
| 758 | header->checksum = acpi_checksum((void *)hest, header->length); |
| 759 | } |
| 760 | |
Vladimir Serbinenko | c21e073 | 2014-10-16 12:48:19 +0200 | [diff] [blame] | 761 | #if IS_ENABLED(CONFIG_COMMON_FADT) |
| 762 | void acpi_create_fadt(acpi_fadt_t *fadt,acpi_facs_t *facs, void *dsdt) |
| 763 | { |
| 764 | acpi_header_t *header = &(fadt->header); |
| 765 | |
| 766 | memset((void *) fadt, 0, sizeof(acpi_fadt_t)); |
| 767 | memcpy(header->signature, "FACP", 4); |
| 768 | header->length = sizeof(acpi_fadt_t); |
Vladimir Serbinenko | ab83ef0 | 2014-10-25 15:18:25 +0200 | [diff] [blame] | 769 | header->revision = 4; |
Vladimir Serbinenko | c21e073 | 2014-10-16 12:48:19 +0200 | [diff] [blame] | 770 | memcpy(header->oem_id, OEM_ID, 6); |
| 771 | memcpy(header->oem_table_id, ACPI_TABLE_CREATOR, 8); |
| 772 | memcpy(header->asl_compiler_id, ASLC, 4); |
| 773 | header->asl_compiler_revision = 0; |
| 774 | |
| 775 | fadt->firmware_ctrl = (unsigned long) facs; |
| 776 | fadt->dsdt = (unsigned long) dsdt; |
| 777 | |
| 778 | fadt->x_firmware_ctl_l = (unsigned long)facs; |
| 779 | fadt->x_firmware_ctl_h = 0; |
| 780 | fadt->x_dsdt_l = (unsigned long)dsdt; |
| 781 | fadt->x_dsdt_h = 0; |
| 782 | |
| 783 | if(IS_ENABLED(CONFIG_SYSTEM_TYPE_LAPTOP)) { |
| 784 | fadt->preferred_pm_profile = PM_MOBILE; |
| 785 | } else { |
| 786 | fadt->preferred_pm_profile = PM_DESKTOP; |
| 787 | } |
| 788 | |
Vladimir Serbinenko | ab83ef0 | 2014-10-25 15:18:25 +0200 | [diff] [blame] | 789 | acpi_fill_fadt(fadt); |
Vladimir Serbinenko | c21e073 | 2014-10-16 12:48:19 +0200 | [diff] [blame] | 790 | |
| 791 | header->checksum = |
| 792 | acpi_checksum((void *) fadt, header->length); |
| 793 | } |
| 794 | #endif |
| 795 | |
Vladimir Serbinenko | 41877d8 | 2014-09-01 22:18:01 +0200 | [diff] [blame] | 796 | unsigned long __attribute__ ((weak)) fw_cfg_acpi_tables(unsigned long start) |
| 797 | { |
| 798 | return 0; |
| 799 | } |
| 800 | |
Vladimir Serbinenko | 2d7bd8a | 2014-08-30 19:28:05 +0200 | [diff] [blame] | 801 | unsigned long write_acpi_tables(unsigned long start) |
| 802 | { |
| 803 | unsigned long current; |
| 804 | acpi_rsdp_t *rsdp; |
| 805 | acpi_rsdt_t *rsdt; |
| 806 | acpi_xsdt_t *xsdt; |
| 807 | acpi_fadt_t *fadt; |
| 808 | acpi_facs_t *facs; |
Vladimir Serbinenko | 351fefc | 2014-10-26 20:42:08 +0100 | [diff] [blame] | 809 | acpi_header_t *slic_file, *slic; |
Vladimir Serbinenko | 2d7bd8a | 2014-08-30 19:28:05 +0200 | [diff] [blame] | 810 | acpi_header_t *ssdt; |
Vladimir Serbinenko | 36f8d27 | 2015-05-31 12:31:59 +0200 | [diff] [blame] | 811 | acpi_header_t *dsdt_file, *dsdt; |
Vladimir Serbinenko | 2d7bd8a | 2014-08-30 19:28:05 +0200 | [diff] [blame] | 812 | acpi_mcfg_t *mcfg; |
Vladimir Serbinenko | f44ac13 | 2015-05-20 19:52:01 +0200 | [diff] [blame] | 813 | acpi_tcpa_t *tcpa; |
Vladimir Serbinenko | 2d7bd8a | 2014-08-30 19:28:05 +0200 | [diff] [blame] | 814 | acpi_madt_t *madt; |
Edward O'Callaghan | 2c9d2cf | 2014-10-27 23:29:29 +1100 | [diff] [blame] | 815 | struct device *dev; |
Vladimir Serbinenko | 41877d8 | 2014-09-01 22:18:01 +0200 | [diff] [blame] | 816 | unsigned long fw; |
Vladimir Serbinenko | 36f8d27 | 2015-05-31 12:31:59 +0200 | [diff] [blame] | 817 | size_t slic_size, dsdt_size; |
Vladimir Serbinenko | 351fefc | 2014-10-26 20:42:08 +0100 | [diff] [blame] | 818 | char oem_id[6], oem_table_id[8]; |
Vladimir Serbinenko | 2d7bd8a | 2014-08-30 19:28:05 +0200 | [diff] [blame] | 819 | |
| 820 | current = start; |
| 821 | |
| 822 | /* Align ACPI tables to 16byte */ |
Aaron Durbin | 07a1b28 | 2015-12-10 17:07:38 -0600 | [diff] [blame] | 823 | current = acpi_align_current(current); |
Vladimir Serbinenko | 2d7bd8a | 2014-08-30 19:28:05 +0200 | [diff] [blame] | 824 | |
Vladimir Serbinenko | 41877d8 | 2014-09-01 22:18:01 +0200 | [diff] [blame] | 825 | fw = fw_cfg_acpi_tables(current); |
| 826 | if (fw) |
| 827 | return fw; |
| 828 | |
Vladimir Serbinenko | a4cf83d | 2015-06-02 21:40:29 +0200 | [diff] [blame] | 829 | dsdt_file = cbfs_boot_map_with_leak( |
Vladimir Serbinenko | 36f8d27 | 2015-05-31 12:31:59 +0200 | [diff] [blame] | 830 | CONFIG_CBFS_PREFIX "/dsdt.aml", |
| 831 | CBFS_TYPE_RAW, &dsdt_size); |
| 832 | if (!dsdt_file) { |
| 833 | printk(BIOS_ERR, "No DSDT file, skipping ACPI tables\n"); |
| 834 | return current; |
| 835 | } |
| 836 | |
| 837 | if (dsdt_file->length > dsdt_size |
| 838 | || dsdt_file->length < sizeof (acpi_header_t) |
| 839 | || memcmp(dsdt_file->signature, "DSDT", 4) != 0) { |
| 840 | printk(BIOS_ERR, "Invalid DSDT file, skipping ACPI tables\n"); |
| 841 | return current; |
| 842 | } |
| 843 | |
Aaron Durbin | 899d13d | 2015-05-15 23:39:23 -0500 | [diff] [blame] | 844 | slic_file = cbfs_boot_map_with_leak(CONFIG_CBFS_PREFIX "/slic", |
Vladimir Serbinenko | 351fefc | 2014-10-26 20:42:08 +0100 | [diff] [blame] | 845 | CBFS_TYPE_RAW, &slic_size); |
Vladimir Serbinenko | 2cb2978 | 2015-05-31 11:32:09 +0200 | [diff] [blame] | 846 | if (slic_file |
| 847 | && (slic_file->length > slic_size |
| 848 | || slic_file->length < sizeof (acpi_header_t) |
| 849 | || memcmp(slic_file->signature, "SLIC", 4) != 0)) { |
Vladimir Serbinenko | 351fefc | 2014-10-26 20:42:08 +0100 | [diff] [blame] | 850 | slic_file = 0; |
| 851 | } |
| 852 | |
| 853 | if (slic_file) { |
| 854 | memcpy(oem_id, slic_file->oem_id, 6); |
| 855 | memcpy(oem_table_id, slic_file->oem_table_id, 8); |
| 856 | } else { |
| 857 | memcpy(oem_id, OEM_ID, 6); |
| 858 | memcpy(oem_table_id, ACPI_TABLE_CREATOR, 8); |
| 859 | } |
| 860 | |
Vladimir Serbinenko | 2d7bd8a | 2014-08-30 19:28:05 +0200 | [diff] [blame] | 861 | printk(BIOS_INFO, "ACPI: Writing ACPI tables at %lx.\n", start); |
| 862 | |
| 863 | /* We need at least an RSDP and an RSDT Table */ |
| 864 | rsdp = (acpi_rsdp_t *) current; |
| 865 | current += sizeof(acpi_rsdp_t); |
Aaron Durbin | 07a1b28 | 2015-12-10 17:07:38 -0600 | [diff] [blame] | 866 | current = acpi_align_current(current); |
Vladimir Serbinenko | 2d7bd8a | 2014-08-30 19:28:05 +0200 | [diff] [blame] | 867 | rsdt = (acpi_rsdt_t *) current; |
| 868 | current += sizeof(acpi_rsdt_t); |
Aaron Durbin | 07a1b28 | 2015-12-10 17:07:38 -0600 | [diff] [blame] | 869 | current = acpi_align_current(current); |
Vladimir Serbinenko | 2d7bd8a | 2014-08-30 19:28:05 +0200 | [diff] [blame] | 870 | xsdt = (acpi_xsdt_t *) current; |
| 871 | current += sizeof(acpi_xsdt_t); |
Aaron Durbin | 07a1b28 | 2015-12-10 17:07:38 -0600 | [diff] [blame] | 872 | current = acpi_align_current(current); |
Vladimir Serbinenko | 2d7bd8a | 2014-08-30 19:28:05 +0200 | [diff] [blame] | 873 | |
| 874 | /* clear all table memory */ |
| 875 | memset((void *) start, 0, current - start); |
| 876 | |
Vladimir Serbinenko | 351fefc | 2014-10-26 20:42:08 +0100 | [diff] [blame] | 877 | acpi_write_rsdp(rsdp, rsdt, xsdt, oem_id); |
| 878 | acpi_write_rsdt(rsdt, oem_id, oem_table_id); |
| 879 | acpi_write_xsdt(xsdt, oem_id, oem_table_id); |
Vladimir Serbinenko | 2d7bd8a | 2014-08-30 19:28:05 +0200 | [diff] [blame] | 880 | |
| 881 | printk(BIOS_DEBUG, "ACPI: * FACS\n"); |
Patrick Georgi | 133108a | 2015-08-08 23:20:58 +0200 | [diff] [blame] | 882 | current = (ALIGN(current, 64)); |
Vladimir Serbinenko | 2d7bd8a | 2014-08-30 19:28:05 +0200 | [diff] [blame] | 883 | facs = (acpi_facs_t *) current; |
| 884 | current += sizeof(acpi_facs_t); |
Aaron Durbin | 07a1b28 | 2015-12-10 17:07:38 -0600 | [diff] [blame] | 885 | current = acpi_align_current(current); |
Vladimir Serbinenko | 2d7bd8a | 2014-08-30 19:28:05 +0200 | [diff] [blame] | 886 | acpi_create_facs(facs); |
| 887 | |
| 888 | printk(BIOS_DEBUG, "ACPI: * DSDT\n"); |
| 889 | dsdt = (acpi_header_t *) current; |
Vladimir Serbinenko | 36f8d27 | 2015-05-31 12:31:59 +0200 | [diff] [blame] | 890 | memcpy(dsdt, dsdt_file, sizeof(acpi_header_t)); |
Vladimir Serbinenko | 334fd8e | 2014-10-05 11:10:35 +0200 | [diff] [blame] | 891 | if (dsdt->length >= sizeof(acpi_header_t)) { |
| 892 | current += sizeof(acpi_header_t); |
| 893 | |
| 894 | acpigen_set_current((char *) current); |
| 895 | for (dev = all_devices; dev; dev = dev->next) |
| 896 | if (dev->ops && dev->ops->acpi_inject_dsdt_generator) { |
Alexander Couzens | a90dad1 | 2015-04-12 21:49:46 +0200 | [diff] [blame] | 897 | dev->ops->acpi_inject_dsdt_generator(dev); |
Vladimir Serbinenko | 334fd8e | 2014-10-05 11:10:35 +0200 | [diff] [blame] | 898 | } |
| 899 | current = (unsigned long) acpigen_get_current(); |
| 900 | memcpy((char *)current, |
Vladimir Serbinenko | 36f8d27 | 2015-05-31 12:31:59 +0200 | [diff] [blame] | 901 | (char *)dsdt_file + sizeof(acpi_header_t), |
Vladimir Serbinenko | 334fd8e | 2014-10-05 11:10:35 +0200 | [diff] [blame] | 902 | dsdt->length - sizeof(acpi_header_t)); |
| 903 | current += dsdt->length - sizeof(acpi_header_t); |
| 904 | |
| 905 | /* (Re)calculate length and checksum. */ |
| 906 | dsdt->length = current - (unsigned long)dsdt; |
| 907 | dsdt->checksum = 0; |
| 908 | dsdt->checksum = acpi_checksum((void *)dsdt, dsdt->length); |
| 909 | } |
Vladimir Serbinenko | 2d7bd8a | 2014-08-30 19:28:05 +0200 | [diff] [blame] | 910 | |
Aaron Durbin | 07a1b28 | 2015-12-10 17:07:38 -0600 | [diff] [blame] | 911 | current = acpi_align_current(current); |
Vladimir Serbinenko | 2d7bd8a | 2014-08-30 19:28:05 +0200 | [diff] [blame] | 912 | |
| 913 | printk(BIOS_DEBUG, "ACPI: * FADT\n"); |
| 914 | fadt = (acpi_fadt_t *) current; |
| 915 | current += sizeof(acpi_fadt_t); |
Aaron Durbin | 07a1b28 | 2015-12-10 17:07:38 -0600 | [diff] [blame] | 916 | current = acpi_align_current(current); |
Vladimir Serbinenko | 2d7bd8a | 2014-08-30 19:28:05 +0200 | [diff] [blame] | 917 | |
| 918 | acpi_create_fadt(fadt, facs, dsdt); |
| 919 | acpi_add_table(rsdp, fadt); |
| 920 | |
Vladimir Serbinenko | 351fefc | 2014-10-26 20:42:08 +0100 | [diff] [blame] | 921 | if (slic_file) { |
| 922 | printk(BIOS_DEBUG, "ACPI: * SLIC\n"); |
| 923 | slic = (acpi_header_t *)current; |
| 924 | memcpy(slic, slic_file, slic_file->length); |
| 925 | current += slic_file->length; |
Aaron Durbin | 07a1b28 | 2015-12-10 17:07:38 -0600 | [diff] [blame] | 926 | current = acpi_align_current(current); |
Vladimir Serbinenko | 351fefc | 2014-10-26 20:42:08 +0100 | [diff] [blame] | 927 | acpi_add_table(rsdp, slic); |
| 928 | } |
Vladimir Serbinenko | 2d7bd8a | 2014-08-30 19:28:05 +0200 | [diff] [blame] | 929 | |
| 930 | printk(BIOS_DEBUG, "ACPI: * SSDT\n"); |
| 931 | ssdt = (acpi_header_t *)current; |
| 932 | acpi_create_ssdt_generator(ssdt, ACPI_TABLE_CREATOR); |
Vladimir Serbinenko | 9310df8 | 2014-10-10 20:40:41 +0200 | [diff] [blame] | 933 | if (ssdt->length > sizeof(acpi_header_t)) { |
| 934 | current += ssdt->length; |
| 935 | acpi_add_table(rsdp, ssdt); |
Aaron Durbin | 07a1b28 | 2015-12-10 17:07:38 -0600 | [diff] [blame] | 936 | current = acpi_align_current(current); |
Vladimir Serbinenko | 9310df8 | 2014-10-10 20:40:41 +0200 | [diff] [blame] | 937 | } |
Vladimir Serbinenko | 2d7bd8a | 2014-08-30 19:28:05 +0200 | [diff] [blame] | 938 | |
| 939 | printk(BIOS_DEBUG, "ACPI: * MCFG\n"); |
| 940 | mcfg = (acpi_mcfg_t *) current; |
| 941 | acpi_create_mcfg(mcfg); |
| 942 | if (mcfg->header.length > sizeof(acpi_mcfg_t)) { |
| 943 | current += mcfg->header.length; |
Aaron Durbin | 07a1b28 | 2015-12-10 17:07:38 -0600 | [diff] [blame] | 944 | current = acpi_align_current(current); |
Vladimir Serbinenko | 2d7bd8a | 2014-08-30 19:28:05 +0200 | [diff] [blame] | 945 | acpi_add_table(rsdp, mcfg); |
| 946 | } |
| 947 | |
Vladimir Serbinenko | f44ac13 | 2015-05-20 19:52:01 +0200 | [diff] [blame] | 948 | printk(BIOS_DEBUG, "ACPI: * TCPA\n"); |
| 949 | tcpa = (acpi_tcpa_t *) current; |
| 950 | acpi_create_tcpa(tcpa); |
| 951 | if (tcpa->header.length >= sizeof(acpi_tcpa_t)) { |
| 952 | current += tcpa->header.length; |
Aaron Durbin | 07a1b28 | 2015-12-10 17:07:38 -0600 | [diff] [blame] | 953 | current = acpi_align_current(current); |
Vladimir Serbinenko | f44ac13 | 2015-05-20 19:52:01 +0200 | [diff] [blame] | 954 | acpi_add_table(rsdp, tcpa); |
| 955 | } |
| 956 | |
Vladimir Serbinenko | 2d7bd8a | 2014-08-30 19:28:05 +0200 | [diff] [blame] | 957 | printk(BIOS_DEBUG, "ACPI: * MADT\n"); |
| 958 | |
| 959 | madt = (acpi_madt_t *) current; |
| 960 | acpi_create_madt(madt); |
| 961 | if (madt->header.length > sizeof(acpi_madt_t)) { |
| 962 | current+=madt->header.length; |
| 963 | acpi_add_table(rsdp,madt); |
| 964 | } |
Aaron Durbin | 07a1b28 | 2015-12-10 17:07:38 -0600 | [diff] [blame] | 965 | current = acpi_align_current(current); |
Vladimir Serbinenko | 2d7bd8a | 2014-08-30 19:28:05 +0200 | [diff] [blame] | 966 | |
| 967 | printk(BIOS_DEBUG, "current = %lx\n", current); |
| 968 | |
| 969 | for (dev = all_devices; dev; dev = dev->next) { |
| 970 | if (dev->ops && dev->ops->write_acpi_tables) { |
Alexander Couzens | 83fc32f | 2015-04-12 22:28:37 +0200 | [diff] [blame] | 971 | current = dev->ops->write_acpi_tables(dev, current, rsdp); |
Aaron Durbin | 07a1b28 | 2015-12-10 17:07:38 -0600 | [diff] [blame] | 972 | current = acpi_align_current(current); |
Vladimir Serbinenko | 2d7bd8a | 2014-08-30 19:28:05 +0200 | [diff] [blame] | 973 | } |
| 974 | } |
| 975 | |
| 976 | printk(BIOS_INFO, "ACPI: done.\n"); |
| 977 | return current; |
| 978 | } |
Vladimir Serbinenko | 2d7bd8a | 2014-08-30 19:28:05 +0200 | [diff] [blame] | 979 | |
Rudolf Marek | 33cafe5 | 2009-04-13 18:07:02 +0000 | [diff] [blame] | 980 | static acpi_rsdp_t *valid_rsdp(acpi_rsdp_t *rsdp) |
| 981 | { |
| 982 | if (strncmp((char *)rsdp, RSDP_SIG, sizeof(RSDP_SIG) - 1) != 0) |
| 983 | return NULL; |
| 984 | |
Stefan Reinauer | c02b4fc | 2010-03-22 11:42:32 +0000 | [diff] [blame] | 985 | printk(BIOS_DEBUG, "Looking on %p for valid checksum\n", rsdp); |
Rudolf Marek | 33cafe5 | 2009-04-13 18:07:02 +0000 | [diff] [blame] | 986 | |
| 987 | if (acpi_checksum((void *)rsdp, 20) != 0) |
| 988 | return NULL; |
Stefan Reinauer | c02b4fc | 2010-03-22 11:42:32 +0000 | [diff] [blame] | 989 | printk(BIOS_DEBUG, "Checksum 1 passed\n"); |
Rudolf Marek | 33cafe5 | 2009-04-13 18:07:02 +0000 | [diff] [blame] | 990 | |
| 991 | if ((rsdp->revision > 1) && (acpi_checksum((void *)rsdp, |
| 992 | rsdp->length) != 0)) |
| 993 | return NULL; |
Stefan Reinauer | c02b4fc | 2010-03-22 11:42:32 +0000 | [diff] [blame] | 994 | printk(BIOS_DEBUG, "Checksum 2 passed all OK\n"); |
Rudolf Marek | 33cafe5 | 2009-04-13 18:07:02 +0000 | [diff] [blame] | 995 | |
| 996 | return rsdp; |
| 997 | } |
| 998 | |
Rudolf Marek | 33cafe5 | 2009-04-13 18:07:02 +0000 | [diff] [blame] | 999 | void *acpi_find_wakeup_vector(void) |
| 1000 | { |
| 1001 | char *p, *end; |
Rudolf Marek | 33cafe5 | 2009-04-13 18:07:02 +0000 | [diff] [blame] | 1002 | acpi_rsdt_t *rsdt; |
| 1003 | acpi_facs_t *facs; |
Martin Roth | c5f4926 | 2012-12-14 19:17:55 -0700 | [diff] [blame] | 1004 | acpi_fadt_t *fadt = NULL; |
Kyösti Mälkki | 072d436b | 2016-06-17 08:44:40 +0300 | [diff] [blame] | 1005 | acpi_rsdp_t *rsdp = NULL; |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 1006 | void *wake_vec; |
Rudolf Marek | 33cafe5 | 2009-04-13 18:07:02 +0000 | [diff] [blame] | 1007 | int i; |
| 1008 | |
Rudolf Marek | 33cafe5 | 2009-04-13 18:07:02 +0000 | [diff] [blame] | 1009 | if (!acpi_is_wakeup()) |
| 1010 | return NULL; |
| 1011 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 1012 | printk(BIOS_DEBUG, "Trying to find the wakeup vector...\n"); |
Rudolf Marek | 33cafe5 | 2009-04-13 18:07:02 +0000 | [diff] [blame] | 1013 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 1014 | /* Find RSDP. */ |
| 1015 | for (p = (char *)0xe0000; p < (char *)0xfffff; p += 16) { |
| 1016 | if ((rsdp = valid_rsdp((acpi_rsdp_t *)p))) |
Rudolf Marek | 33cafe5 | 2009-04-13 18:07:02 +0000 | [diff] [blame] | 1017 | break; |
| 1018 | } |
| 1019 | |
| 1020 | if (rsdp == NULL) |
| 1021 | return NULL; |
| 1022 | |
Stefan Reinauer | c02b4fc | 2010-03-22 11:42:32 +0000 | [diff] [blame] | 1023 | printk(BIOS_DEBUG, "RSDP found at %p\n", rsdp); |
Stefan Reinauer | 71a3018 | 2015-07-30 16:28:13 -0700 | [diff] [blame] | 1024 | rsdt = (acpi_rsdt_t *)(uintptr_t)rsdp->rsdt_address; |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1025 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 1026 | end = (char *)rsdt + rsdt->header.length; |
Stefan Reinauer | c02b4fc | 2010-03-22 11:42:32 +0000 | [diff] [blame] | 1027 | 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] | 1028 | |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 1029 | for (i = 0; ((char *)&rsdt->entry[i]) < end; i++) { |
Stefan Reinauer | 71a3018 | 2015-07-30 16:28:13 -0700 | [diff] [blame] | 1030 | fadt = (acpi_fadt_t *)(uintptr_t)rsdt->entry[i]; |
Stefan Reinauer | cdfe376 | 2009-07-21 22:15:43 +0000 | [diff] [blame] | 1031 | if (strncmp((char *)fadt, "FACP", 4) == 0) |
Rudolf Marek | 33cafe5 | 2009-04-13 18:07:02 +0000 | [diff] [blame] | 1032 | break; |
| 1033 | fadt = NULL; |
| 1034 | } |
| 1035 | |
| 1036 | if (fadt == NULL) |
| 1037 | return NULL; |
| 1038 | |
Stefan Reinauer | c02b4fc | 2010-03-22 11:42:32 +0000 | [diff] [blame] | 1039 | printk(BIOS_DEBUG, "FADT found at %p\n", fadt); |
Stefan Reinauer | 71a3018 | 2015-07-30 16:28:13 -0700 | [diff] [blame] | 1040 | facs = (acpi_facs_t *)(uintptr_t)fadt->firmware_ctrl; |
Rudolf Marek | 33cafe5 | 2009-04-13 18:07:02 +0000 | [diff] [blame] | 1041 | |
Stefan Reinauer | 7e9771c | 2009-04-22 08:17:38 +0000 | [diff] [blame] | 1042 | if (facs == NULL) { |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 1043 | printk(BIOS_DEBUG, "No FACS found, wake up from S3 not " |
| 1044 | "possible.\n"); |
Rudolf Marek | 33cafe5 | 2009-04-13 18:07:02 +0000 | [diff] [blame] | 1045 | return NULL; |
Stefan Reinauer | 7e9771c | 2009-04-22 08:17:38 +0000 | [diff] [blame] | 1046 | } |
Rudolf Marek | 33cafe5 | 2009-04-13 18:07:02 +0000 | [diff] [blame] | 1047 | |
Stefan Reinauer | c02b4fc | 2010-03-22 11:42:32 +0000 | [diff] [blame] | 1048 | printk(BIOS_DEBUG, "FACS found at %p\n", facs); |
Stefan Reinauer | 71a3018 | 2015-07-30 16:28:13 -0700 | [diff] [blame] | 1049 | wake_vec = (void *)(uintptr_t)facs->firmware_waking_vector; |
Stefan Reinauer | c02b4fc | 2010-03-22 11:42:32 +0000 | [diff] [blame] | 1050 | printk(BIOS_DEBUG, "OS waking vector is %p\n", wake_vec); |
Uwe Hermann | 622824c | 2010-11-19 15:14:42 +0000 | [diff] [blame] | 1051 | |
Rudolf Marek | 33cafe5 | 2009-04-13 18:07:02 +0000 | [diff] [blame] | 1052 | return wake_vec; |
| 1053 | } |
| 1054 | |
Duncan Laurie | 11290c4 | 2012-10-03 19:07:05 -0700 | [diff] [blame] | 1055 | void acpi_save_gnvs(u32 gnvs_address) |
| 1056 | { |
Duncan Laurie | 9c07c8f | 2013-03-22 11:08:39 -0700 | [diff] [blame] | 1057 | u32 *gnvs = cbmem_add(CBMEM_ID_ACPI_GNVS_PTR, sizeof(*gnvs)); |
Duncan Laurie | 11290c4 | 2012-10-03 19:07:05 -0700 | [diff] [blame] | 1058 | if (gnvs) |
| 1059 | *gnvs = gnvs_address; |
| 1060 | } |