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-rw-r--r--arch/i386/mach-generic/bigsmp.c54
1 files changed, 54 insertions, 0 deletions
diff --git a/arch/i386/mach-generic/bigsmp.c b/arch/i386/mach-generic/bigsmp.c
new file mode 100644
index 000000000000..25883b44f625
--- /dev/null
+++ b/arch/i386/mach-generic/bigsmp.c
@@ -0,0 +1,54 @@
1/*
2 * APIC driver for "bigsmp" XAPIC machines with more than 8 virtual CPUs.
3 * Drives the local APIC in "clustered mode".
4 */
5#define APIC_DEFINITION 1
6#include <linux/config.h>
7#include <linux/threads.h>
8#include <linux/cpumask.h>
9#include <asm/mpspec.h>
10#include <asm/genapic.h>
11#include <asm/fixmap.h>
12#include <asm/apicdef.h>
13#include <linux/kernel.h>
14#include <linux/smp.h>
15#include <linux/init.h>
16#include <linux/dmi.h>
17#include <asm/mach-bigsmp/mach_apic.h>
18#include <asm/mach-bigsmp/mach_apicdef.h>
19#include <asm/mach-bigsmp/mach_ipi.h>
20#include <asm/mach-default/mach_mpparse.h>
21
22static int dmi_bigsmp; /* can be set by dmi scanners */
23
24static __init int hp_ht_bigsmp(struct dmi_system_id *d)
25{
26#ifdef CONFIG_X86_GENERICARCH
27 printk(KERN_NOTICE "%s detected: force use of apic=bigsmp\n", d->ident);
28 dmi_bigsmp = 1;
29#endif
30 return 0;
31}
32
33
34static struct dmi_system_id __initdata bigsmp_dmi_table[] = {
35 { hp_ht_bigsmp, "HP ProLiant DL760 G2", {
36 DMI_MATCH(DMI_BIOS_VENDOR, "HP"),
37 DMI_MATCH(DMI_BIOS_VERSION, "P44-"),
38 }},
39
40 { hp_ht_bigsmp, "HP ProLiant DL740", {
41 DMI_MATCH(DMI_BIOS_VENDOR, "HP"),
42 DMI_MATCH(DMI_BIOS_VERSION, "P47-"),
43 }},
44 { }
45};
46
47
48static __init int probe_bigsmp(void)
49{
50 dmi_check_system(bigsmp_dmi_table);
51 return dmi_bigsmp;
52}
53
54struct genapic apic_bigsmp = APIC_INIT("bigsmp", probe_bigsmp);