diff options
Diffstat (limited to 'arch/i386/mach-generic/bigsmp.c')
-rw-r--r-- | arch/i386/mach-generic/bigsmp.c | 54 |
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 00000000000..25883b44f62 --- /dev/null +++ b/arch/i386/mach-generic/bigsmp.c @@ -0,0 +1,54 @@ +/* + * 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/config.h> +#include <linux/threads.h> +#include <linux/cpumask.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 __init 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 __initdata 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 __init int probe_bigsmp(void) +{ + dmi_check_system(bigsmp_dmi_table); + return dmi_bigsmp; +} + +struct genapic apic_bigsmp = APIC_INIT("bigsmp", probe_bigsmp); |