From 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Mon Sep 17 00:00:00 2001 From: Linus Torvalds Date: Sat, 16 Apr 2005 15:20:36 -0700 Subject: Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip! --- arch/i386/mach-generic/Makefile | 7 +++ arch/i386/mach-generic/bigsmp.c | 54 +++++++++++++++++++++ arch/i386/mach-generic/default.c | 27 +++++++++++ arch/i386/mach-generic/es7000.c | 28 +++++++++++ arch/i386/mach-generic/probe.c | 102 +++++++++++++++++++++++++++++++++++++++ arch/i386/mach-generic/summit.c | 27 +++++++++++ 6 files changed, 245 insertions(+) create mode 100644 arch/i386/mach-generic/Makefile create mode 100644 arch/i386/mach-generic/bigsmp.c create mode 100644 arch/i386/mach-generic/default.c create mode 100644 arch/i386/mach-generic/es7000.c create mode 100644 arch/i386/mach-generic/probe.c create mode 100644 arch/i386/mach-generic/summit.c (limited to 'arch/i386/mach-generic') 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 +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +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 +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +/* 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 +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +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 +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +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 +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +static __init int probe_summit(void) +{ + /* probed later in mptable/ACPI hooks */ + return 0; +} + +struct genapic apic_summit = APIC_INIT("summit", probe_summit); -- cgit v1.2.3