patch-2.4.19 linux-2.4.19/arch/i386/kernel/dmi_scan.c

• Lines: 229
• Date: Fri Aug 2 17:39:42 2002
• Orig file: linux-2.4.18/arch/i386/kernel/dmi_scan.c
• Orig date: Mon Feb 25 11:37:53 2002

diff -urN linux-2.4.18/arch/i386/kernel/dmi_scan.c linux-2.4.19/arch/i386/kernel/dmi_scan.c
@@ -9,6 +9,7 @@
 #include <linux/pm.h>
 #include <asm/keyboard.h>
 #include <asm/system.h>
+#include <linux/bootmem.h>
 
 unsigned long dmi_broken;
 int is_sony_vaio_laptop;
@@ -51,7 +52,7 @@
 	u8 *data;
 	int i=1;
 		
-	buf = ioremap(base, len);
+	buf = bt_ioremap(base, len);
 	if(buf==NULL)
 		return -1;
 
@@ -83,7 +84,7 @@
 		data+=2;
 		i++;
 	}
-	iounmap(buf);
+	bt_iounmap(buf, len);
 	return 0;
 }
 
@@ -155,7 +156,7 @@
 		return;
 	if (dmi_ident[slot])
 		return;
-	dmi_ident[slot] = kmalloc(strlen(p)+1, GFP_KERNEL);
+	dmi_ident[slot] = alloc_bootmem(strlen(p)+1);
 	if(dmi_ident[slot])
 		strcpy(dmi_ident[slot], p);
 	else
@@ -292,6 +293,62 @@
 	return 0;
 }
 
+/*
+ * 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 dont_enable_local_apic;
+	if (!dont_enable_local_apic) {
+		dont_enable_local_apic = 1;
+		printk(KERN_WARNING "%s with broken BIOS detected. "
+		       "Refusing to enable the local APIC.\n",
+		       d->ident);
+	}
+#endif
+	return 0;
+}
+
+/*
+ * The Microstar 6163-2 (a.k.a Pro) mainboard will hang shortly after
+ * resumes, and also at what appears to be asynchronous APM events,
+ * if the local APIC is enabled.
+ */
+static int __init apm_kills_local_apic(struct dmi_blacklist *d)
+{
+#ifdef CONFIG_X86_LOCAL_APIC
+	extern int dont_enable_local_apic;
+	if (apm_info.bios.version && !dont_enable_local_apic) {
+		dont_enable_local_apic = 1;
+		printk(KERN_WARNING "%s with broken BIOS detected. "
+		       "Refusing to enable the local APIC.\n",
+		       d->ident);
+	}
+#endif
+	return 0;
+}
+
+/*
+ * The Intel AL440LX mainboard will hang randomly if the local APIC
+ * timer is running and the APM BIOS hasn't been disabled.
+ */
+static int __init apm_kills_local_apic_timer(struct dmi_blacklist *d)
+{
+#ifdef CONFIG_X86_LOCAL_APIC
+	extern int dont_use_local_apic_timer;
+	if (apm_info.bios.version && !dont_use_local_apic_timer) {
+		dont_use_local_apic_timer = 1;
+		printk(KERN_WARNING "%s with broken BIOS detected. "
+		       "The local APIC timer will not be used.\n",
+		       d->ident);
+	}
+#endif
+	return 0;
+}
 
 /*
  *  Check for clue free BIOS implementations who use
@@ -353,6 +410,7 @@
  * The MP1.4 table is right however and so SMP kernels tend to work. 
  */
  
+extern int skip_ioapic_setup;
 static __init int broken_pirq(struct dmi_blacklist *d)
 {
 	printk(KERN_INFO " *** Possibly defective BIOS detected (irqtable)\n");
@@ -360,6 +418,9 @@
 	printk(KERN_INFO " *** If you see IRQ problems, in paticular SCSI resets and hangs at boot\n");
 	printk(KERN_INFO " *** contact your hardware vendor and ask about updates.\n");
 	printk(KERN_INFO " *** Building an SMP kernel may evade the bug some of the time.\n");
+#ifdef CONFIG_X86_IO_APIC
+	skip_ioapic_setup = 0;
+#endif
 	return 0;
 }
 
@@ -452,6 +513,11 @@
 			MATCH(DMI_BIOS_VERSION, "A04"),
 			MATCH(DMI_BIOS_DATE, "08/24/2000"), NO_MATCH
 			} },
+	{ broken_apm_power, "Dell Inspiron 2500", {	/* Handle problems with APM on Inspiron 2500 */
+			MATCH(DMI_BIOS_VENDOR, "Phoenix Technologies LTD"),
+			MATCH(DMI_BIOS_VERSION, "A12"),
+			MATCH(DMI_BIOS_DATE, "02/04/2002"), NO_MATCH
+			} },
 	{ set_realmode_power_off, "Award Software v4.60 PGMA", {	/* broken PM poweroff bios */
 			MATCH(DMI_BIOS_VENDOR, "Award Software International, Inc."),
 			MATCH(DMI_BIOS_VERSION, "4.60 PGMA"),
@@ -493,12 +559,23 @@
 			MATCH(DMI_PRODUCT_NAME, "Delhi3"),
 			NO_MATCH, NO_MATCH,
 			} },
+	{ apm_is_horked, "Fujitsu-Siemens", { /* APM crashes */
+			MATCH(DMI_BIOS_VENDOR, "hoenix/FUJITSU SIEMENS"),
+			MATCH(DMI_BIOS_VERSION, "Version1.01"),
+			NO_MATCH, NO_MATCH,
+			} },
 	{ apm_is_horked, "Sharp PC-PJ/AX", { /* APM crashes */
 			MATCH(DMI_SYS_VENDOR, "SHARP"),
 			MATCH(DMI_PRODUCT_NAME, "PC-PJ/AX"),
 			MATCH(DMI_BIOS_VENDOR,"SystemSoft"),
 			MATCH(DMI_BIOS_VERSION,"Version R2.08")
 			} },
+	{ apm_is_horked, "Dell Inspiron 2500", { /* APM crashes */
+			MATCH(DMI_SYS_VENDOR, "Dell Computer Corporation"),
+			MATCH(DMI_PRODUCT_NAME, "Inspiron 2500"),
+			MATCH(DMI_BIOS_VENDOR,"Phoenix Technologies LTD"),
+			MATCH(DMI_BIOS_VERSION,"A11")
+			} },
 	{ sony_vaio_laptop, "Sony Vaio", { /* This is a Sony Vaio laptop */
 			MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
 			MATCH(DMI_PRODUCT_NAME, "PCG-"),
@@ -534,6 +611,12 @@
 			MATCH(DMI_BIOS_DATE, "08/11/00"), NO_MATCH
 			} },
 
+	{ swab_apm_power_in_minutes, "Sony VAIO", {	/* Handle problems with APM on Sony Vaio PCG-Z600LEK(DE) */
+			MATCH(DMI_BIOS_VENDOR, "Phoenix Technologies LTD"),
+			MATCH(DMI_BIOS_VERSION, "R0206Z3"),
+			MATCH(DMI_BIOS_DATE, "12/25/00"), NO_MATCH
+			} },
+
 	{ swab_apm_power_in_minutes, "Sony VAIO", {	/* Handle problems with APM on Sony Vaio PCG-Z505LS */
 			MATCH(DMI_BIOS_VENDOR, "Phoenix Technologies LTD"),
 			MATCH(DMI_BIOS_VERSION, "R0203D0"),
@@ -546,6 +629,12 @@
 			MATCH(DMI_BIOS_DATE, "08/25/00"), NO_MATCH
 			} },
 	
+	{ swab_apm_power_in_minutes, "Sony VAIO", {	/* Handle problems with APM on Sony Vaio PCG-Z505LS (with updated BIOS) */
+			MATCH(DMI_BIOS_VENDOR, "Phoenix Technologies LTD"),
+			MATCH(DMI_BIOS_VERSION, "R0209Z3"),
+			MATCH(DMI_BIOS_DATE, "05/12/01"), NO_MATCH
+			} },
+	
 	{ swab_apm_power_in_minutes, "Sony VAIO", {	/* Handle problems with APM on Sony Vaio PCG-F104K */
 			MATCH(DMI_BIOS_VENDOR, "Phoenix Technologies LTD"),
 			MATCH(DMI_BIOS_VERSION, "R0204K2"),
@@ -563,6 +652,36 @@
 			MATCH(DMI_BIOS_DATE, "09/12/00"), NO_MATCH
 			} },
 
+	/* 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
+			} },
+
+	{ apm_kills_local_apic, "Microstar 6163", {
+			MATCH(DMI_BOARD_VENDOR, "MICRO-STAR INTERNATIONAL CO., LTD"),
+			MATCH(DMI_BOARD_NAME, "MS-6163"),
+			NO_MATCH, NO_MATCH } },
+
+	{ apm_kills_local_apic_timer, "Intel AL440LX", {
+			MATCH(DMI_BOARD_VENDOR, "Intel Corporation"),
+			MATCH(DMI_BOARD_NAME, "AL440LX"),
+			NO_MATCH, NO_MATCH } },
+
 	/* Problem Intel 440GX bioses */
 
 	{ broken_pirq, "SABR1 Bios", {			/* Bad $PIR */
@@ -731,12 +850,9 @@
 	}
 }
 
-static int __init dmi_scan_machine(void)
+void __init dmi_scan_machine(void)
 {
 	int err = dmi_iterate(dmi_decode);
 	if(err == 0)
 		dmi_check_blacklist();
-	return err;
 }
-
-module_init(dmi_scan_machine);