Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * acpi_tables.c - ACPI Boot-Time Table Parsing |
| 3 | * |
| 4 | * Copyright (C) 2001 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com> |
| 5 | * |
| 6 | * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify |
| 9 | * it under the terms of the GNU General Public License as published by |
| 10 | * the Free Software Foundation; either version 2 of the License, or |
| 11 | * (at your option) any later version. |
| 12 | * |
| 13 | * This program is distributed in the hope that it will be useful, |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | * GNU General Public License for more details. |
| 17 | * |
| 18 | * You should have received a copy of the GNU General Public License |
| 19 | * along with this program; if not, write to the Free Software |
| 20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 21 | * |
| 22 | * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
| 23 | * |
| 24 | */ |
| 25 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 26 | #include <linux/init.h> |
| 27 | #include <linux/kernel.h> |
| 28 | #include <linux/sched.h> |
| 29 | #include <linux/smp.h> |
| 30 | #include <linux/string.h> |
| 31 | #include <linux/types.h> |
| 32 | #include <linux/irq.h> |
| 33 | #include <linux/errno.h> |
| 34 | #include <linux/acpi.h> |
| 35 | #include <linux/bootmem.h> |
| 36 | |
| 37 | #define PREFIX "ACPI: " |
| 38 | |
Len Brown | 04348e6 | 2005-12-30 02:44:59 -0500 | [diff] [blame] | 39 | #define ACPI_MAX_TABLES 128 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 40 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 41 | static char *mps_inti_flags_polarity[] = { "dfl", "high", "res", "low" }; |
| 42 | static char *mps_inti_flags_trigger[] = { "dfl", "edge", "res", "level" }; |
| 43 | |
Alexey Starikovskiy | ad71860 | 2007-02-02 19:48:19 +0300 | [diff] [blame] | 44 | static struct acpi_table_desc initial_tables[ACPI_MAX_TABLES] __initdata; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 45 | |
Alexey Starikovskiy | 5f3b1a8 | 2007-02-02 19:48:22 +0300 | [diff] [blame] | 46 | void acpi_table_print_madt_entry(struct acpi_subtable_header * header) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 47 | { |
| 48 | if (!header) |
| 49 | return; |
| 50 | |
| 51 | switch (header->type) { |
| 52 | |
Alexey Starikovskiy | 5f3b1a8 | 2007-02-02 19:48:22 +0300 | [diff] [blame] | 53 | case ACPI_MADT_TYPE_LOCAL_APIC: |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 54 | { |
Alexey Starikovskiy | 5f3b1a8 | 2007-02-02 19:48:22 +0300 | [diff] [blame] | 55 | struct acpi_madt_local_apic *p = |
| 56 | (struct acpi_madt_local_apic *)header; |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 57 | printk(KERN_INFO PREFIX |
| 58 | "LAPIC (acpi_id[0x%02x] lapic_id[0x%02x] %s)\n", |
Alexey Starikovskiy | 5f3b1a8 | 2007-02-02 19:48:22 +0300 | [diff] [blame] | 59 | p->processor_id, p->id, |
| 60 | (p->lapic_flags & ACPI_MADT_ENABLED) ? "enabled" : "disabled"); |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 61 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 62 | break; |
| 63 | |
Alexey Starikovskiy | 5f3b1a8 | 2007-02-02 19:48:22 +0300 | [diff] [blame] | 64 | case ACPI_MADT_TYPE_IO_APIC: |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 65 | { |
Alexey Starikovskiy | 5f3b1a8 | 2007-02-02 19:48:22 +0300 | [diff] [blame] | 66 | struct acpi_madt_io_apic *p = |
| 67 | (struct acpi_madt_io_apic *)header; |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 68 | printk(KERN_INFO PREFIX |
| 69 | "IOAPIC (id[0x%02x] address[0x%08x] gsi_base[%d])\n", |
| 70 | p->id, p->address, p->global_irq_base); |
| 71 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 72 | break; |
| 73 | |
Alexey Starikovskiy | 5f3b1a8 | 2007-02-02 19:48:22 +0300 | [diff] [blame] | 74 | case ACPI_MADT_TYPE_INTERRUPT_OVERRIDE: |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 75 | { |
Alexey Starikovskiy | 5f3b1a8 | 2007-02-02 19:48:22 +0300 | [diff] [blame] | 76 | struct acpi_madt_interrupt_override *p = |
| 77 | (struct acpi_madt_interrupt_override *)header; |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 78 | printk(KERN_INFO PREFIX |
| 79 | "INT_SRC_OVR (bus %d bus_irq %d global_irq %d %s %s)\n", |
Alexey Starikovskiy | 5f3b1a8 | 2007-02-02 19:48:22 +0300 | [diff] [blame] | 80 | p->bus, p->source_irq, p->global_irq, |
| 81 | mps_inti_flags_polarity[p->inti_flags & ACPI_MADT_POLARITY_MASK], |
| 82 | mps_inti_flags_trigger[(p->inti_flags & ACPI_MADT_TRIGGER_MASK) >> 2]); |
| 83 | if (p->inti_flags & |
| 84 | ~(ACPI_MADT_POLARITY_MASK | ACPI_MADT_TRIGGER_MASK)) |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 85 | printk(KERN_INFO PREFIX |
| 86 | "INT_SRC_OVR unexpected reserved flags: 0x%x\n", |
Alexey Starikovskiy | 5f3b1a8 | 2007-02-02 19:48:22 +0300 | [diff] [blame] | 87 | p->inti_flags & |
| 88 | ~(ACPI_MADT_POLARITY_MASK | ACPI_MADT_TRIGGER_MASK)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 89 | |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 90 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 91 | break; |
| 92 | |
Alexey Starikovskiy | 5f3b1a8 | 2007-02-02 19:48:22 +0300 | [diff] [blame] | 93 | case ACPI_MADT_TYPE_NMI_SOURCE: |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 94 | { |
Alexey Starikovskiy | 5f3b1a8 | 2007-02-02 19:48:22 +0300 | [diff] [blame] | 95 | struct acpi_madt_nmi_source *p = |
| 96 | (struct acpi_madt_nmi_source *)header; |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 97 | printk(KERN_INFO PREFIX |
| 98 | "NMI_SRC (%s %s global_irq %d)\n", |
Alexey Starikovskiy | 5f3b1a8 | 2007-02-02 19:48:22 +0300 | [diff] [blame] | 99 | mps_inti_flags_polarity[p->inti_flags & ACPI_MADT_POLARITY_MASK], |
| 100 | mps_inti_flags_trigger[(p->inti_flags & ACPI_MADT_TRIGGER_MASK) >> 2], |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 101 | p->global_irq); |
| 102 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 103 | break; |
| 104 | |
Alexey Starikovskiy | 5f3b1a8 | 2007-02-02 19:48:22 +0300 | [diff] [blame] | 105 | case ACPI_MADT_TYPE_LOCAL_APIC_NMI: |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 106 | { |
Alexey Starikovskiy | 5f3b1a8 | 2007-02-02 19:48:22 +0300 | [diff] [blame] | 107 | struct acpi_madt_local_apic_nmi *p = |
| 108 | (struct acpi_madt_local_apic_nmi *)header; |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 109 | printk(KERN_INFO PREFIX |
| 110 | "LAPIC_NMI (acpi_id[0x%02x] %s %s lint[0x%x])\n", |
Alexey Starikovskiy | 5f3b1a8 | 2007-02-02 19:48:22 +0300 | [diff] [blame] | 111 | p->processor_id, |
| 112 | mps_inti_flags_polarity[p->inti_flags & ACPI_MADT_POLARITY_MASK ], |
| 113 | mps_inti_flags_trigger[(p->inti_flags & ACPI_MADT_TRIGGER_MASK) >> 2], |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 114 | p->lint); |
| 115 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 116 | break; |
| 117 | |
Alexey Starikovskiy | 5f3b1a8 | 2007-02-02 19:48:22 +0300 | [diff] [blame] | 118 | case ACPI_MADT_TYPE_LOCAL_APIC_OVERRIDE: |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 119 | { |
Alexey Starikovskiy | 5f3b1a8 | 2007-02-02 19:48:22 +0300 | [diff] [blame] | 120 | struct acpi_madt_local_apic_override *p = |
| 121 | (struct acpi_madt_local_apic_override *)header; |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 122 | printk(KERN_INFO PREFIX |
| 123 | "LAPIC_ADDR_OVR (address[%p])\n", |
| 124 | (void *)(unsigned long)p->address); |
| 125 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 126 | break; |
| 127 | |
Alexey Starikovskiy | 5f3b1a8 | 2007-02-02 19:48:22 +0300 | [diff] [blame] | 128 | case ACPI_MADT_TYPE_IO_SAPIC: |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 129 | { |
Alexey Starikovskiy | 5f3b1a8 | 2007-02-02 19:48:22 +0300 | [diff] [blame] | 130 | struct acpi_madt_io_sapic *p = |
| 131 | (struct acpi_madt_io_sapic *)header; |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 132 | printk(KERN_INFO PREFIX |
| 133 | "IOSAPIC (id[0x%x] address[%p] gsi_base[%d])\n", |
| 134 | p->id, (void *)(unsigned long)p->address, |
| 135 | p->global_irq_base); |
| 136 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 137 | break; |
| 138 | |
Alexey Starikovskiy | 5f3b1a8 | 2007-02-02 19:48:22 +0300 | [diff] [blame] | 139 | case ACPI_MADT_TYPE_LOCAL_SAPIC: |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 140 | { |
Alexey Starikovskiy | 5f3b1a8 | 2007-02-02 19:48:22 +0300 | [diff] [blame] | 141 | struct acpi_madt_local_sapic *p = |
| 142 | (struct acpi_madt_local_sapic *)header; |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 143 | printk(KERN_INFO PREFIX |
| 144 | "LSAPIC (acpi_id[0x%02x] lsapic_id[0x%02x] lsapic_eid[0x%02x] %s)\n", |
Alexey Starikovskiy | 5f3b1a8 | 2007-02-02 19:48:22 +0300 | [diff] [blame] | 145 | p->processor_id, p->id, p->eid, |
| 146 | (p->lapic_flags & ACPI_MADT_ENABLED) ? "enabled" : "disabled"); |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 147 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 148 | break; |
| 149 | |
Alexey Starikovskiy | 5f3b1a8 | 2007-02-02 19:48:22 +0300 | [diff] [blame] | 150 | case ACPI_MADT_TYPE_INTERRUPT_SOURCE: |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 151 | { |
Alexey Starikovskiy | 5f3b1a8 | 2007-02-02 19:48:22 +0300 | [diff] [blame] | 152 | struct acpi_madt_interrupt_source *p = |
| 153 | (struct acpi_madt_interrupt_source *)header; |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 154 | printk(KERN_INFO PREFIX |
| 155 | "PLAT_INT_SRC (%s %s type[0x%x] id[0x%04x] eid[0x%x] iosapic_vector[0x%x] global_irq[0x%x]\n", |
Alexey Starikovskiy | 5f3b1a8 | 2007-02-02 19:48:22 +0300 | [diff] [blame] | 156 | mps_inti_flags_polarity[p->inti_flags & ACPI_MADT_POLARITY_MASK], |
| 157 | mps_inti_flags_trigger[(p->inti_flags & ACPI_MADT_TRIGGER_MASK) >> 2], |
| 158 | p->type, p->id, p->eid, p->io_sapic_vector, |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 159 | p->global_irq); |
| 160 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 161 | break; |
| 162 | |
| 163 | default: |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 164 | printk(KERN_WARNING PREFIX |
| 165 | "Found unsupported MADT entry (type = 0x%x)\n", |
| 166 | header->type); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 167 | break; |
| 168 | } |
| 169 | } |
| 170 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 171 | |
| 172 | int __init |
Len Brown | 6eb87fe | 2007-02-10 22:17:07 -0500 | [diff] [blame^] | 173 | acpi_table_parse_entries(char *id, |
| 174 | unsigned long table_size, |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 175 | int entry_id, |
Len Brown | 5a8765a | 2007-02-10 21:35:47 -0500 | [diff] [blame] | 176 | acpi_table_entry_handler handler, |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 177 | unsigned int max_entries) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 178 | { |
Len Brown | 6eb87fe | 2007-02-10 22:17:07 -0500 | [diff] [blame^] | 179 | struct acpi_table_header *table_header = NULL; |
Alexey Starikovskiy | 5f3b1a8 | 2007-02-02 19:48:22 +0300 | [diff] [blame] | 180 | struct acpi_subtable_header *entry; |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 181 | unsigned int count = 0; |
Len Brown | 6eb87fe | 2007-02-10 22:17:07 -0500 | [diff] [blame^] | 182 | unsigned long table_end; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 183 | |
| 184 | if (!handler) |
| 185 | return -EINVAL; |
| 186 | |
Len Brown | 6eb87fe | 2007-02-10 22:17:07 -0500 | [diff] [blame^] | 187 | /* Locate the table (if exists). There should only be one. */ |
| 188 | acpi_get_table(id, 0, &table_header); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 189 | |
Len Brown | 6eb87fe | 2007-02-10 22:17:07 -0500 | [diff] [blame^] | 190 | if (!table_header) { |
Alexey Starikovskiy | ceb6c46 | 2007-02-02 19:48:22 +0300 | [diff] [blame] | 191 | printk(KERN_WARNING PREFIX "%4.4s not present\n", id); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 192 | return -ENODEV; |
| 193 | } |
| 194 | |
Len Brown | 6eb87fe | 2007-02-10 22:17:07 -0500 | [diff] [blame^] | 195 | table_end = (unsigned long)table_header + table_header->length; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 196 | |
| 197 | /* Parse all entries looking for a match. */ |
| 198 | |
Alexey Starikovskiy | 5f3b1a8 | 2007-02-02 19:48:22 +0300 | [diff] [blame] | 199 | entry = (struct acpi_subtable_header *) |
Len Brown | 6eb87fe | 2007-02-10 22:17:07 -0500 | [diff] [blame^] | 200 | ((unsigned long)table_header + table_size); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 201 | |
Alexey Starikovskiy | 5f3b1a8 | 2007-02-02 19:48:22 +0300 | [diff] [blame] | 202 | while (((unsigned long)entry) + sizeof(struct acpi_subtable_header) < |
Len Brown | 6eb87fe | 2007-02-10 22:17:07 -0500 | [diff] [blame^] | 203 | table_end) { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 204 | if (entry->type == entry_id |
| 205 | && (!max_entries || count++ < max_entries)) |
Len Brown | 6eb87fe | 2007-02-10 22:17:07 -0500 | [diff] [blame^] | 206 | if (handler(entry, table_end)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 207 | return -EINVAL; |
| 208 | |
Alexey Starikovskiy | 5f3b1a8 | 2007-02-02 19:48:22 +0300 | [diff] [blame] | 209 | entry = (struct acpi_subtable_header *) |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 210 | ((unsigned long)entry + entry->length); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 211 | } |
| 212 | if (max_entries && count > max_entries) { |
Alexey Starikovskiy | ceb6c46 | 2007-02-02 19:48:22 +0300 | [diff] [blame] | 213 | printk(KERN_WARNING PREFIX "[%4.4s:0x%02x] ignored %i entries of " |
| 214 | "%i found\n", id, entry_id, count - max_entries, count); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 215 | } |
| 216 | |
| 217 | return count; |
| 218 | } |
| 219 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 220 | int __init |
Alexey Starikovskiy | 5f3b1a8 | 2007-02-02 19:48:22 +0300 | [diff] [blame] | 221 | acpi_table_parse_madt(enum acpi_madt_type id, |
Len Brown | 5a8765a | 2007-02-10 21:35:47 -0500 | [diff] [blame] | 222 | acpi_table_entry_handler handler, unsigned int max_entries) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 223 | { |
Len Brown | 6eb87fe | 2007-02-10 22:17:07 -0500 | [diff] [blame^] | 224 | return acpi_table_parse_entries(ACPI_SIG_MADT, |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 225 | sizeof(struct acpi_table_madt), id, |
| 226 | handler, max_entries); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 227 | } |
| 228 | |
Len Brown | 7f8f97c | 2007-02-10 21:28:03 -0500 | [diff] [blame] | 229 | /** |
| 230 | * acpi_table_parse - find table with @id, run @handler on it |
| 231 | * |
| 232 | * @id: table id to find |
| 233 | * @handler: handler to run |
| 234 | * |
| 235 | * Scan the ACPI System Descriptor Table (STD) for a table matching @id, |
| 236 | * run @handler on it. Return 0 if table found, return on if not. |
| 237 | */ |
Alexey Starikovskiy | ceb6c46 | 2007-02-02 19:48:22 +0300 | [diff] [blame] | 238 | int __init acpi_table_parse(char *id, acpi_table_handler handler) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 239 | { |
Alexey Starikovskiy | ceb6c46 | 2007-02-02 19:48:22 +0300 | [diff] [blame] | 240 | struct acpi_table_header *table = NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 241 | if (!handler) |
| 242 | return -EINVAL; |
| 243 | |
Alexey Starikovskiy | ceb6c46 | 2007-02-02 19:48:22 +0300 | [diff] [blame] | 244 | acpi_get_table(id, 0, &table); |
| 245 | if (table) { |
| 246 | handler(table); |
Alexey Starikovskiy | ceb6c46 | 2007-02-02 19:48:22 +0300 | [diff] [blame] | 247 | return 0; |
Len Brown | 7f8f97c | 2007-02-10 21:28:03 -0500 | [diff] [blame] | 248 | } else |
| 249 | return 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 250 | } |
| 251 | |
| 252 | /* |
| 253 | * acpi_table_init() |
| 254 | * |
| 255 | * find RSDP, find and checksum SDT/XSDT. |
| 256 | * checksum all tables, print SDT/XSDT |
Alexey Starikovskiy | 5f3b1a8 | 2007-02-02 19:48:22 +0300 | [diff] [blame] | 257 | * |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 258 | * result: sdt_entry[] is initialized |
| 259 | */ |
| 260 | |
Alexey Starikovskiy | 5f3b1a8 | 2007-02-02 19:48:22 +0300 | [diff] [blame] | 261 | |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 262 | int __init acpi_table_init(void) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 263 | { |
Alexey Starikovskiy | ad71860 | 2007-02-02 19:48:19 +0300 | [diff] [blame] | 264 | acpi_initialize_tables(initial_tables, ACPI_MAX_TABLES, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 265 | return 0; |
| 266 | } |