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-rw-r--r--arch/i386/mach-generic/Makefile7
-rw-r--r--arch/i386/mach-generic/bigsmp.c54
-rw-r--r--arch/i386/mach-generic/default.c27
-rw-r--r--arch/i386/mach-generic/es7000.c28
-rw-r--r--arch/i386/mach-generic/probe.c102
-rw-r--r--arch/i386/mach-generic/summit.c27
6 files changed, 245 insertions, 0 deletions
diff --git a/arch/i386/mach-generic/Makefile b/arch/i386/mach-generic/Makefile
new file mode 100644
index 00000000000..77fbc9f64fb
--- /dev/null
+++ b/arch/i386/mach-generic/Makefile
@@ -0,0 +1,7 @@
+#
+# Makefile for the generic architecture
+#
+
+EXTRA_CFLAGS += -I../kernel
+
+obj-y := probe.o summit.o bigsmp.o es7000.o default.o ../mach-es7000/
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);
diff --git a/arch/i386/mach-generic/default.c b/arch/i386/mach-generic/default.c
new file mode 100644
index 00000000000..7da14e9a79c
--- /dev/null
+++ b/arch/i386/mach-generic/default.c
@@ -0,0 +1,27 @@
+/*
+ * Default generic APIC driver. This handles upto 8 CPUs.
+ */
+#define APIC_DEFINITION 1
+#include <linux/config.h>
+#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 __init int probe_default(void)
+{
+ return 1;
+}
+
+struct genapic apic_default = APIC_INIT("default", probe_default);
diff --git a/arch/i386/mach-generic/es7000.c b/arch/i386/mach-generic/es7000.c
new file mode 100644
index 00000000000..48d3ec37241
--- /dev/null
+++ b/arch/i386/mach-generic/es7000.c
@@ -0,0 +1,28 @@
+/*
+ * APIC driver for the Unisys ES7000 chipset.
+ */
+#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/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 __init int probe_es7000(void)
+{
+ /* probed later in mptable/ACPI hooks */
+ return 0;
+}
+
+struct genapic apic_es7000 = APIC_INIT("es7000", probe_es7000);
diff --git a/arch/i386/mach-generic/probe.c b/arch/i386/mach-generic/probe.c
new file mode 100644
index 00000000000..5497c65a879
--- /dev/null
+++ b/arch/i386/mach-generic/probe.c
@@ -0,0 +1,102 @@
+/* Copyright 2003 Andi Kleen, SuSE Labs.
+ * Subject to the GNU Public License, v.2
+ *
+ * Generic x86 APIC driver probe layer.
+ */
+#include <linux/config.h>
+#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 <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,
+};
+
+void __init generic_apic_probe(char *command_line)
+{
+ char *s;
+ int i;
+ int changed = 0;
+
+ s = strstr(command_line, "apic=");
+ if (s && (s == command_line || isspace(s[-1]))) {
+ char *p = strchr(s, ' '), old;
+ if (!p)
+ p = strchr(s, '\0');
+ old = *p;
+ *p = 0;
+ for (i = 0; !changed && apic_probe[i]; i++) {
+ if (!strcmp(apic_probe[i]->name, s+5)) {
+ changed = 1;
+ genapic = apic_probe[i];
+ }
+ }
+ if (!changed)
+ printk(KERN_ERR "Unknown genapic `%s' specified.\n", s);
+ *p = old;
+ }
+ for (i = 0; !changed && apic_probe[i]; i++) {
+ if (apic_probe[i]->probe()) {
+ changed = 1;
+ genapic = apic_probe[i];
+ }
+ }
+ /* Not visible without early console */
+ if (!changed)
+ 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)) {
+ 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)) {
+ 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/i386/mach-generic/summit.c b/arch/i386/mach-generic/summit.c
new file mode 100644
index 00000000000..65ddf74d7f2
--- /dev/null
+++ b/arch/i386/mach-generic/summit.c
@@ -0,0 +1,27 @@
+/*
+ * APIC driver for the IBM "Summit" chipset.
+ */
+#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/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 __init int probe_summit(void)
+{
+ /* probed later in mptable/ACPI hooks */
+ return 0;
+}
+
+struct genapic apic_summit = APIC_INIT("summit", probe_summit);
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-26 12:14:11 +0000