4 * Check to see if the given machine has a known bad ACPI BIOS
6 * Copyright (C) 2002 Andy Grover <andrew.grover@intel.com>
8 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or (at
13 * your option) any later version.
15 * This program is distributed in the hope that it will be useful, but
16 * WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * General Public License for more details.
20 * You should have received a copy of the GNU General Public License along
21 * with this program; if not, write to the Free Software Foundation, Inc.,
22 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
24 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
28 #include <linux/kernel.h>
29 #include <linux/module.h>
30 #include <linux/init.h>
31 #include <linux/acpi.h>
32 #include <acpi/acpi_bus.h>
34 #define PREFIX "ACPI: "
36 enum acpi_blacklist_predicates
41 greater_than_or_equal,
44 struct acpi_blacklist_item
49 acpi_table_type table;
50 enum acpi_blacklist_predicates oem_revision_predicate;
52 u32 is_critical_error;
56 * POLICY: If *anything* doesn't work, put it on the blacklist.
57 * If they are critical errors, mark it critical, and abort driver load.
59 static struct acpi_blacklist_item acpi_blacklist[] __initdata =
61 /* Portege 7020, BIOS 8.10 */
62 {"TOSHIB", "7020CT ", 0x19991112, ACPI_DSDT, all_versions, "Implicit Return", 0},
64 {"TOSHIB", "4030 ", 0x19991112, ACPI_DSDT, all_versions, "Implicit Return", 0},
65 /* Portege 310/320, BIOS 7.1 */
66 {"TOSHIB", "310 ", 0x19990511, ACPI_DSDT, all_versions, "Implicit Return", 0},
67 /* Seattle 2, old bios rev. */
68 {"INTEL ", "440BX ", 0x00001000, ACPI_DSDT, less_than_or_equal, "Field beyond end of region", 0},
70 {"ASUS ", "K7M ", 0x00001000, ACPI_DSDT, less_than_or_equal, "Field beyond end of region", 0},
71 /* Intel 810 Motherboard? */
72 {"MNTRAL", "MO81010A", 0x00000012, ACPI_DSDT, less_than_or_equal, "Field beyond end of region", 0},
73 /* Compaq Presario 711FR */
74 {"COMAPQ", "EAGLES", 0x06040000, ACPI_DSDT, less_than_or_equal, "SCI issues (C2 disabled)", 0},
75 /* Compaq Presario 1700 */
76 {"PTLTD ", " DSDT ", 0x06040000, ACPI_DSDT, less_than_or_equal, "Multiple problems", 1},
77 /* Sony FX120, FX140, FX150? */
78 {"SONY ", "U0 ", 0x20010313, ACPI_DSDT, less_than_or_equal, "ACPI driver problem", 1},
79 /* Compaq Presario 800, Insyde BIOS */
80 {"INT440", "SYSFexxx", 0x00001001, ACPI_DSDT, less_than_or_equal, "Does not use _REG to protect EC OpRegions", 1},
81 /* IBM 600E - _ADR should return 7, but it returns 1 */
82 {"IBM ", "TP600E ", 0x00000105, ACPI_DSDT, less_than_or_equal, "Incorrect _ADR", 1},
83 {"ASUS\0\0", "P2B-S ", 0, ACPI_DSDT, all_versions, "Bogus PCI routing", 1},
90 acpi_blacklisted(void)
94 struct acpi_table_header *table_header;
96 while (acpi_blacklist[i].oem_id[0] != '\0')
98 if (acpi_get_table_header_early(acpi_blacklist[i].table, &table_header)) {
103 if (strncmp(acpi_blacklist[i].oem_id, table_header->oem_id, 6)) {
108 if (strncmp(acpi_blacklist[i].oem_table_id, table_header->oem_table_id, 8)) {
113 if ((acpi_blacklist[i].oem_revision_predicate == all_versions)
114 || (acpi_blacklist[i].oem_revision_predicate == less_than_or_equal
115 && table_header->oem_revision <= acpi_blacklist[i].oem_revision)
116 || (acpi_blacklist[i].oem_revision_predicate == greater_than_or_equal
117 && table_header->oem_revision >= acpi_blacklist[i].oem_revision)
118 || (acpi_blacklist[i].oem_revision_predicate == equal
119 && table_header->oem_revision == acpi_blacklist[i].oem_revision)) {
121 printk(KERN_ERR PREFIX "Vendor \"%6.6s\" System \"%8.8s\" "
122 "Revision 0x%x has a known ACPI BIOS problem.\n",
123 acpi_blacklist[i].oem_id,
124 acpi_blacklist[i].oem_table_id,
125 acpi_blacklist[i].oem_revision);
127 printk(KERN_ERR PREFIX "Reason: %s. This is a %s error\n",
128 acpi_blacklist[i].reason,
129 (acpi_blacklist[i].is_critical_error ? "non-recoverable" : "recoverable"));
131 blacklisted = acpi_blacklist[i].is_critical_error;