#include <linux/init.h>
#include <linux/module.h>
#include <linux/slab.h>
-#include <asm/acpi.h>
+#include <linux/acpi.h>
#include <asm/io.h>
#include <linux/pm.h>
#include <asm/system.h>
static int __init dmi_iterate(void (*decode)(struct dmi_header *))
{
u8 buf[15];
- u32 fp=0xF0000;
+ char __iomem *p, *q;
- while (fp < 0xFFFFF)
- {
- isa_memcpy_fromio(buf, fp, 15);
+ /*
+ * no iounmap() for that ioremap(); it would be a no-op, but it's
+ * so early in setup that sucker gets confused into doing what
+ * it shouldn't if we actually call it.
+ */
+ p = ioremap(0xF0000, 0x10000);
+ if (p == NULL)
+ return -1;
+ for (q = p; q < p + 0x10000; q += 16) {
+ memcpy_fromio(buf, q, 15);
if(memcmp(buf, "_DMI_", 5)==0 && dmi_checksum(buf))
{
u16 num=buf[13]<<8|buf[12];
if(dmi_table(base,len, num, decode)==0)
return 0;
}
- fp+=16;
}
return -1;
}
#define NO_MATCH { DMI_NONE, NULL}
#define MATCH DMI_MATCH
-/*
- * Some machines, usually laptops, can't handle an enabled local APIC.
- * The symptoms include hangs or reboots when suspending or resuming,
- * attaching or detaching the power cord, or entering BIOS setup screens
- * through magic key sequences.
- */
-static int __init local_apic_kills_bios(struct dmi_blacklist *d)
-{
-#ifdef CONFIG_X86_LOCAL_APIC
- extern int enable_local_apic;
- if (enable_local_apic == 0) {
- enable_local_apic = -1;
- printk(KERN_WARNING "%s with broken BIOS detected. "
- "Refusing to enable the local APIC.\n",
- d->ident);
- }
-#endif
- return 0;
-}
-
-
/*
* Toshiba keyboard likes to repeat keys when they are not repeated.
*/
}
return 0;
}
-
-/*
- * early nForce2 reference BIOS shipped with a
- * bogus ACPI IRQ0 -> pin2 interrupt override -- ignore it
- */
-static __init int ignore_timer_override(struct dmi_blacklist *d)
-{
- extern int acpi_skip_timer_override;
- printk(KERN_NOTICE "%s detected: BIOS IRQ0 pin2 override"
- " will be ignored\n", d->ident);
-
- acpi_skip_timer_override = 1;
- return 0;
-}
#endif
#ifdef CONFIG_ACPI_PCI
static __initdata struct dmi_blacklist dmi_blacklist[]={
- /* Machines which have problems handling enabled local APICs */
-
- { local_apic_kills_bios, "Dell Inspiron", {
- MATCH(DMI_SYS_VENDOR, "Dell Computer Corporation"),
- MATCH(DMI_PRODUCT_NAME, "Inspiron"),
- NO_MATCH, NO_MATCH
- } },
-
- { local_apic_kills_bios, "Dell Latitude", {
- MATCH(DMI_SYS_VENDOR, "Dell Computer Corporation"),
- MATCH(DMI_PRODUCT_NAME, "Latitude"),
- NO_MATCH, NO_MATCH
- } },
-
- { local_apic_kills_bios, "IBM Thinkpad T20", {
- MATCH(DMI_BOARD_VENDOR, "IBM"),
- MATCH(DMI_BOARD_NAME, "264741U"),
- NO_MATCH, NO_MATCH
- } },
-
- { local_apic_kills_bios, "ASUS L3C", {
- MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer INC."),
- MATCH(DMI_BOARD_NAME, "P4_L3C"),
- NO_MATCH, NO_MATCH
- } },
-
{ broken_toshiba_keyboard, "Toshiba Satellite 4030cdt", { /* Keyboard generates spurious repeats */
MATCH(DMI_PRODUCT_NAME, "S4030CDT/4.3"),
NO_MATCH, NO_MATCH, NO_MATCH
MATCH(DMI_PRODUCT_NAME, "HP VISUALIZE NT Workstation"),
NO_MATCH, NO_MATCH }},
- { force_acpi_ht, "Compaq ProLiant DL380 G2", {
- MATCH(DMI_SYS_VENDOR, "Compaq"),
- MATCH(DMI_PRODUCT_NAME, "ProLiant DL380 G2"),
- NO_MATCH, NO_MATCH }},
-
- { force_acpi_ht, "Compaq ProLiant ML530 G2", {
- MATCH(DMI_SYS_VENDOR, "Compaq"),
- MATCH(DMI_PRODUCT_NAME, "ProLiant ML530 G2"),
- NO_MATCH, NO_MATCH }},
-
- { force_acpi_ht, "Compaq ProLiant ML350 G3", {
- MATCH(DMI_SYS_VENDOR, "Compaq"),
- MATCH(DMI_PRODUCT_NAME, "ProLiant ML350 G3"),
- NO_MATCH, NO_MATCH }},
-
{ force_acpi_ht, "Compaq Workstation W8000", {
MATCH(DMI_SYS_VENDOR, "Compaq"),
MATCH(DMI_PRODUCT_NAME, "Workstation W8000"),
MATCH(DMI_PRODUCT_NAME, "eserver xSeries 440"),
NO_MATCH, NO_MATCH }},
- /*
- * Systems with nForce2 BIOS timer override bug
- * nVidia claims all nForce have timer on pin0,
- * and applying this workaround is a NOP on fixed BIOS,
- * so prospects are good for replacing these entries
- * with something to key of chipset PCI-ID.
- */
- { ignore_timer_override, "Abit NF7-S v2", {
- MATCH(DMI_BOARD_VENDOR, "http://www.abit.com.tw/"),
- MATCH(DMI_BOARD_NAME, "NF7-S/NF7,NF7-V (nVidia-nForce2)"),
- MATCH(DMI_BIOS_VERSION, "6.00 PG"),
- MATCH(DMI_BIOS_DATE, "03/24/2004") }},
-
- { ignore_timer_override, "Asus A7N8X v2", {
- MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer INC."),
- MATCH(DMI_BOARD_NAME, "A7N8X2.0"),
- MATCH(DMI_BIOS_VERSION, "ASUS A7N8X2.0 Deluxe ACPI BIOS Rev 1007"),
- MATCH(DMI_BIOS_DATE, "10/06/2003") }},
-
- { ignore_timer_override, "Asus A7N8X-X", {
- MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer INC."),
- MATCH(DMI_BOARD_NAME, "A7N8X-X"),
- MATCH(DMI_BIOS_VERSION, "ASUS A7N8X-X ACPI BIOS Rev 1009"),
- MATCH(DMI_BIOS_DATE, "2/3/2004") }},
-
- { ignore_timer_override, "MSI K7N2-Delta", {
- MATCH(DMI_BOARD_VENDOR, "MICRO-STAR INTERNATIONAL CO., LTD"),
- MATCH(DMI_BOARD_NAME, "MS-6570"),
- MATCH(DMI_BIOS_VERSION, "6.00 PG"),
- MATCH(DMI_BIOS_DATE, "03/29/2004") }},
-
- { ignore_timer_override, "Shuttle SN41G2", {
- MATCH(DMI_BOARD_VENDOR, "Shuttle Inc"),
- MATCH(DMI_BOARD_NAME, "FN41"),
- MATCH(DMI_BIOS_VERSION, "6.00 PG"),
- MATCH(DMI_BIOS_DATE, "01/14/2004") }},
-
- { ignore_timer_override, "Shuttle AN35N", {
- MATCH(DMI_BOARD_VENDOR, "Shuttle Inc"),
- MATCH(DMI_BOARD_NAME, "AN35"),
- MATCH(DMI_BIOS_VERSION, "6.00 PG"),
- MATCH(DMI_BIOS_DATE, "12/05/2003") }},
#endif // CONFIG_ACPI_BOOT
#ifdef CONFIG_ACPI_PCI
{ NULL, }
};
-
-
-/*
- * Walk the blacklist table running matching functions until someone
- * returns 1 or we hit the end.
- */
-
-
-static __init void dmi_check_blacklist(void)
-{
-#ifdef CONFIG_ACPI_BOOT
-#define ACPI_BLACKLIST_CUTOFF_YEAR 2001
-
- if (dmi_ident[DMI_BIOS_DATE]) {
- char *s = strrchr(dmi_ident[DMI_BIOS_DATE], '/');
- if (s) {
- int year, disable = 0;
- s++;
- year = simple_strtoul(s,NULL,0);
- if (year >= 1000)
- disable = year < ACPI_BLACKLIST_CUTOFF_YEAR;
- else if (year < 1 || (year > 90 && year <= 99))
- disable = 1;
- if (disable && !acpi_force) {
- printk(KERN_NOTICE "ACPI disabled because your bios is from %s and too old\n", s);
- printk(KERN_NOTICE "You can enable it with acpi=force\n");
- disable_acpi();
- }
- }
- }
-#endif
- dmi_check_system(dmi_blacklist);
-}
-
-
/*
* Process a DMI table entry. Right now all we care about are the BIOS
{
int err = dmi_iterate(dmi_decode);
if(err == 0)
- dmi_check_blacklist();
+ dmi_check_system(dmi_blacklist);
else
printk(KERN_INFO "DMI not present.\n");
}
git://git.onelab.eu / linux-2.6.git / blobdiff