i386: move mach-generic

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

6 files changed, 312 insertions, 0 deletions

diff --git a/arch/x86/mach-generic/Makefile b/arch/x86/mach-generic/Makefile
new file mode 100644
index 0000000..2f216f5
--- /dev/null
+++ b/arch/x86/mach-generic/Makefile
@@ -0,0 +1,8 @@
+#
+# Makefile for the generic architecture
+#
+
+EXTRA_CFLAGS	:= -Iarch/i386/kernel
+
+obj-y		:= probe.o summit.o bigsmp.o es7000.o default.o 
+obj-y		+= ../../i386/mach-es7000/
diff --git a/arch/x86/mach-generic/bigsmp.c b/arch/x86/mach-generic/bigsmp.c
new file mode 100644
index 0000000..58a477b
--- /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); 
diff --git a/arch/x86/mach-generic/default.c b/arch/x86/mach-generic/default.c
new file mode 100644
index 0000000..8685208
--- /dev/null
+++ b/arch/x86/mach-generic/default.c
@@ -0,0 +1,26 @@
+/* 
+ * Default generic APIC driver. This handles upto 8 CPUs.
+ */
+#define APIC_DEFINITION 1
+#include <linux/threads.h>
+#include <linux/cpumask.h>
+#include <asm/mpspec.h>
+#include <asm/mach-default/mach_apicdef.h>
+#include <asm/genapic.h>
+#include <asm/fixmap.h>
+#include <asm/apicdef.h>
+#include <linux/kernel.h>
+#include <linux/string.h>
+#include <linux/smp.h>
+#include <linux/init.h>
+#include <asm/mach-default/mach_apic.h>
+#include <asm/mach-default/mach_ipi.h>
+#include <asm/mach-default/mach_mpparse.h>
+
+/* should be called last. */
+static int probe_default(void)
+{ 
+	return 1;
+} 
+
+struct genapic apic_default = APIC_INIT("default", probe_default); 
diff --git a/arch/x86/mach-generic/es7000.c b/arch/x86/mach-generic/es7000.c
new file mode 100644
index 0000000..4742626
--- /dev/null
+++ b/arch/x86/mach-generic/es7000.c
@@ -0,0 +1,69 @@
+/*
+ * APIC driver for the Unisys ES7000 chipset.
+ */
+#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/string.h>
+#include <linux/smp.h>
+#include <linux/init.h>
+#include <asm/mach-es7000/mach_apicdef.h>
+#include <asm/mach-es7000/mach_apic.h>
+#include <asm/mach-es7000/mach_ipi.h>
+#include <asm/mach-es7000/mach_mpparse.h>
+#include <asm/mach-es7000/mach_wakecpu.h>
+
+static int probe_es7000(void)
+{
+	/* probed later in mptable/ACPI hooks */
+	return 0;
+}
+
+extern void es7000_sw_apic(void);
+static void __init enable_apic_mode(void)
+{
+	es7000_sw_apic();
+	return;
+}
+
+static __init int mps_oem_check(struct mp_config_table *mpc, char *oem,
+		char *productid)
+{
+	if (mpc->mpc_oemptr) {
+		struct mp_config_oemtable *oem_table =
+			(struct mp_config_oemtable *)mpc->mpc_oemptr;
+		if (!strncmp(oem, "UNISYS", 6))
+			return parse_unisys_oem((char *)oem_table);
+	}
+	return 0;
+}
+
+#ifdef CONFIG_ACPI
+/* Hook from generic ACPI tables.c */
+static int __init acpi_madt_oem_check(char *oem_id, char *oem_table_id)
+{
+	unsigned long oem_addr;
+	if (!find_unisys_acpi_oem_table(&oem_addr)) {
+		if (es7000_check_dsdt())
+			return parse_unisys_oem((char *)oem_addr);
+		else {
+			setup_unisys();
+			return 1;
+		}
+	}
+	return 0;
+}
+#else
+static int __init acpi_madt_oem_check(char *oem_id, char *oem_table_id)
+{
+	return 0;
+}
+#endif
+
+struct genapic __initdata_refok apic_es7000 = APIC_INIT("es7000", probe_es7000);
diff --git a/arch/x86/mach-generic/probe.c b/arch/x86/mach-generic/probe.c
new file mode 100644
index 0000000..74f3da6
--- /dev/null
+++ b/arch/x86/mach-generic/probe.c
@@ -0,0 +1,125 @@
+/* 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>
+
+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;
+
+struct genapic *apic_probe[] __initdata = { 
+	&apic_summit,
+	&apic_bigsmp, 
+	&apic_es7000,
+	&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;
+		}
+	}
+
+	/* Parsed again by __setup for debug/verbose */
+	return 0;
+}
+early_param("apic", parse_apic);
+
+void __init generic_bigsmp_probe(void)
+{
+	/*
+	 * This routine is used to switch to bigsmp mode when
+	 * - There is no apic= option specified by the user
+	 * - generic_apic_probe() has choosen 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;
+			printk(KERN_INFO "Overriding APIC driver with %s\n",
+			       genapic->name);
+		}
+}
+
+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");
+	}
+	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 mp_config_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];
+				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];
+				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));
+}
diff --git a/arch/x86/mach-generic/summit.c b/arch/x86/mach-generic/summit.c
new file mode 100644
index 0000000..74883cc
--- /dev/null
+++ b/arch/x86/mach-generic/summit.c
@@ -0,0 +1,27 @@
+/* 
+ * APIC driver for the IBM "Summit" chipset.
+ */
+#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/string.h>
+#include <linux/smp.h>
+#include <linux/init.h>
+#include <asm/mach-summit/mach_apic.h>
+#include <asm/mach-summit/mach_apicdef.h>
+#include <asm/mach-summit/mach_ipi.h>
+#include <asm/mach-summit/mach_mpparse.h>
+
+static int probe_summit(void)
+{ 
+	/* probed later in mptable/ACPI hooks */
+	return 0;
+} 
+
+struct genapic apic_summit = APIC_INIT("summit", probe_summit);