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Diffstat (limited to 'arch/x86/mach-generic/probe.c')
-rw-r--r--arch/x86/mach-generic/probe.c152
1 files changed, 0 insertions, 152 deletions
diff --git a/arch/x86/mach-generic/probe.c b/arch/x86/mach-generic/probe.c
deleted file mode 100644
index 15a38daef1a8..000000000000
--- a/arch/x86/mach-generic/probe.c
+++ /dev/null
@@ -1,152 +0,0 @@
-/*
- * Copyright 2003 Andi Kleen, SuSE Labs.
- * Subject to the GNU Public License, v.2
- *
- * Generic x86 APIC driver probe layer.
- */
-#include <linux/threads.h>
-#include <linux/cpumask.h>
-#include <linux/string.h>
-#include <linux/kernel.h>
-#include <linux/ctype.h>
-#include <linux/init.h>
-#include <linux/errno.h>
-#include <asm/fixmap.h>
-#include <asm/mpspec.h>
-#include <asm/apicdef.h>
-#include <asm/genapic.h>
-#include <asm/setup.h>
-
-extern struct genapic apic_numaq;
-extern struct genapic apic_summit;
-extern struct genapic apic_bigsmp;
-extern struct genapic apic_es7000;
-extern struct genapic apic_default;
-
-struct genapic *genapic = &apic_default;
-
-static struct genapic *apic_probe[] __initdata = {
-#ifdef CONFIG_X86_NUMAQ
- &apic_numaq,
-#endif
-#ifdef CONFIG_X86_SUMMIT
- &apic_summit,
-#endif
-#ifdef CONFIG_X86_BIGSMP
- &apic_bigsmp,
-#endif
-#ifdef CONFIG_X86_ES7000
- &apic_es7000,
-#endif
- &apic_default, /* must be last */
- NULL,
-};
-
-static int cmdline_apic __initdata;
-static int __init parse_apic(char *arg)
-{
- int i;
-
- if (!arg)
- return -EINVAL;
-
- for (i = 0; apic_probe[i]; i++) {
- if (!strcmp(apic_probe[i]->name, arg)) {
- genapic = apic_probe[i];
- cmdline_apic = 1;
- return 0;
- }
- }
-
- if (x86_quirks->update_genapic)
- x86_quirks->update_genapic();
-
- /* Parsed again by __setup for debug/verbose */
- return 0;
-}
-early_param("apic", parse_apic);
-
-void __init generic_bigsmp_probe(void)
-{
-#ifdef CONFIG_X86_BIGSMP
- /*
- * This routine is used to switch to bigsmp mode when
- * - There is no apic= option specified by the user
- * - generic_apic_probe() has chosen apic_default as the sub_arch
- * - we find more than 8 CPUs in acpi LAPIC listing with xAPIC support
- */
-
- if (!cmdline_apic && genapic == &apic_default) {
- if (apic_bigsmp.probe()) {
- genapic = &apic_bigsmp;
- if (x86_quirks->update_genapic)
- x86_quirks->update_genapic();
- printk(KERN_INFO "Overriding APIC driver with %s\n",
- genapic->name);
- }
- }
-#endif
-}
-
-void __init generic_apic_probe(void)
-{
- if (!cmdline_apic) {
- int i;
- for (i = 0; apic_probe[i]; i++) {
- if (apic_probe[i]->probe()) {
- genapic = apic_probe[i];
- break;
- }
- }
- /* Not visible without early console */
- if (!apic_probe[i])
- panic("Didn't find an APIC driver");
-
- if (x86_quirks->update_genapic)
- x86_quirks->update_genapic();
- }
- printk(KERN_INFO "Using APIC driver %s\n", genapic->name);
-}
-
-/* These functions can switch the APIC even after the initial ->probe() */
-
-int __init mps_oem_check(struct mpc_table *mpc, char *oem, char *productid)
-{
- int i;
- for (i = 0; apic_probe[i]; ++i) {
- if (apic_probe[i]->mps_oem_check(mpc, oem, productid)) {
- if (!cmdline_apic) {
- genapic = apic_probe[i];
- if (x86_quirks->update_genapic)
- x86_quirks->update_genapic();
- printk(KERN_INFO "Switched to APIC driver `%s'.\n",
- genapic->name);
- }
- return 1;
- }
- }
- return 0;
-}
-
-int __init acpi_madt_oem_check(char *oem_id, char *oem_table_id)
-{
- int i;
- for (i = 0; apic_probe[i]; ++i) {
- if (apic_probe[i]->acpi_madt_oem_check(oem_id, oem_table_id)) {
- if (!cmdline_apic) {
- genapic = apic_probe[i];
- if (x86_quirks->update_genapic)
- x86_quirks->update_genapic();
- printk(KERN_INFO "Switched to APIC driver `%s'.\n",
- genapic->name);
- }
- return 1;
- }
- }
- return 0;
-}
-
-int hard_smp_processor_id(void)
-{
- return genapic->get_apic_id(*(unsigned long *)(APIC_BASE+APIC_ID));
-}