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authorThomas Gleixner <tglx@linutronix.de>2007-10-11 13:16:39 +0400
committerThomas Gleixner <tglx@linutronix.de>2007-10-11 13:16:39 +0400
commitc750a66b0ebfcd8f4cb353ab37b286c8cd93ad10 (patch)
treea97f03edb6b38ffa69160b6f9ae5291138b2b231 /arch/x86/mach-generic/bigsmp.c
parentc2b84d8d1a66a0a886de51f1bfef5c4f16c0c784 (diff)
downloadlinux-c750a66b0ebfcd8f4cb353ab37b286c8cd93ad10.tar.xz
i386: move mach-generic
Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/mach-generic/bigsmp.c')
-rw-r--r--arch/x86/mach-generic/bigsmp.c57
1 files changed, 57 insertions, 0 deletions
diff --git a/arch/x86/mach-generic/bigsmp.c b/arch/x86/mach-generic/bigsmp.c
new file mode 100644
index 000000000000..58a477baec30
--- /dev/null
+++ b/arch/x86/mach-generic/bigsmp.c
@@ -0,0 +1,57 @@
+/*
+ * APIC driver for "bigsmp" XAPIC machines with more than 8 virtual CPUs.
+ * Drives the local APIC in "clustered mode".
+ */
+#define APIC_DEFINITION 1
+#include <linux/threads.h>
+#include <linux/cpumask.h>
+#include <asm/smp.h>
+#include <asm/mpspec.h>
+#include <asm/genapic.h>
+#include <asm/fixmap.h>
+#include <asm/apicdef.h>
+#include <linux/kernel.h>
+#include <linux/smp.h>
+#include <linux/init.h>
+#include <linux/dmi.h>
+#include <asm/mach-bigsmp/mach_apic.h>
+#include <asm/mach-bigsmp/mach_apicdef.h>
+#include <asm/mach-bigsmp/mach_ipi.h>
+#include <asm/mach-default/mach_mpparse.h>
+
+static int dmi_bigsmp; /* can be set by dmi scanners */
+
+static int hp_ht_bigsmp(struct dmi_system_id *d)
+{
+#ifdef CONFIG_X86_GENERICARCH
+ printk(KERN_NOTICE "%s detected: force use of apic=bigsmp\n", d->ident);
+ dmi_bigsmp = 1;
+#endif
+ return 0;
+}
+
+
+static struct dmi_system_id bigsmp_dmi_table[] = {
+ { hp_ht_bigsmp, "HP ProLiant DL760 G2", {
+ DMI_MATCH(DMI_BIOS_VENDOR, "HP"),
+ DMI_MATCH(DMI_BIOS_VERSION, "P44-"),
+ }},
+
+ { hp_ht_bigsmp, "HP ProLiant DL740", {
+ DMI_MATCH(DMI_BIOS_VENDOR, "HP"),
+ DMI_MATCH(DMI_BIOS_VERSION, "P47-"),
+ }},
+ { }
+};
+
+
+static int probe_bigsmp(void)
+{
+ if (def_to_bigsmp)
+ dmi_bigsmp = 1;
+ else
+ dmi_check_system(bigsmp_dmi_table);
+ return dmi_bigsmp;
+}
+
+struct genapic apic_bigsmp = APIC_INIT("bigsmp", probe_bigsmp);