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authorThomas Gleixner <tglx@linutronix.de>2007-10-11 11:16:23 +0200
committerThomas Gleixner <tglx@linutronix.de>2007-10-11 11:16:23 +0200
commit23d6f82bd1f07886b3a974c5193baa715475dd37 (patch)
tree71712aa315b370bd30fc38708c08ab45e29d3226 /arch/i386/kernel
parent9c2019421511a1bc646981d55528334ae46464c0 (diff)
downloadop-kernel-dev-23d6f82bd1f07886b3a974c5193baa715475dd37.zip
op-kernel-dev-23d6f82bd1f07886b3a974c5193baa715475dd37.tar.gz
i386: move kernel/acpi
Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/i386/kernel')
-rw-r--r--arch/i386/kernel/Makefile_322
-rw-r--r--arch/i386/kernel/acpi/Makefile5
-rw-r--r--arch/i386/kernel/acpi/Makefile_3210
-rw-r--r--arch/i386/kernel/acpi/boot.c1326
-rw-r--r--arch/i386/kernel/acpi/cstate.c164
-rw-r--r--arch/i386/kernel/acpi/earlyquirk_32.c84
-rw-r--r--arch/i386/kernel/acpi/processor.c75
-rw-r--r--arch/i386/kernel/acpi/sleep_32.c110
-rw-r--r--arch/i386/kernel/acpi/wakeup_32.S321
9 files changed, 1 insertions, 2096 deletions
diff --git a/arch/i386/kernel/Makefile_32 b/arch/i386/kernel/Makefile_32
index d9dd3d6..af8304b 100644
--- a/arch/i386/kernel/Makefile_32
+++ b/arch/i386/kernel/Makefile_32
@@ -11,7 +11,7 @@ obj-y := process_32.o signal_32.o entry_32.o traps_32.o irq_32.o \
obj-$(CONFIG_STACKTRACE) += stacktrace.o
obj-y += cpu/
-obj-y += acpi/
+obj-y += ../../x86/kernel/acpi/
obj-$(CONFIG_X86_BIOS_REBOOT) += reboot_32.o
obj-$(CONFIG_MCA) += mca_32.o
obj-$(CONFIG_X86_MSR) += msr.o
diff --git a/arch/i386/kernel/acpi/Makefile b/arch/i386/kernel/acpi/Makefile
deleted file mode 100644
index 6e00bfe..0000000
--- a/arch/i386/kernel/acpi/Makefile
+++ /dev/null
@@ -1,5 +0,0 @@
-ifeq ($(CONFIG_X86_32),y)
-include ${srctree}/arch/i386/kernel/acpi/Makefile_32
-else
-include ${srctree}/arch/x86_64/kernel/acpi/Makefile_64
-endif
diff --git a/arch/i386/kernel/acpi/Makefile_32 b/arch/i386/kernel/acpi/Makefile_32
deleted file mode 100644
index a4852a2..0000000
--- a/arch/i386/kernel/acpi/Makefile_32
+++ /dev/null
@@ -1,10 +0,0 @@
-obj-$(CONFIG_ACPI) += boot.o
-ifneq ($(CONFIG_PCI),)
-obj-$(CONFIG_X86_IO_APIC) += earlyquirk_32.o
-endif
-obj-$(CONFIG_ACPI_SLEEP) += sleep_32.o wakeup_32.o
-
-ifneq ($(CONFIG_ACPI_PROCESSOR),)
-obj-y += cstate.o processor.o
-endif
-
diff --git a/arch/i386/kernel/acpi/boot.c b/arch/i386/kernel/acpi/boot.c
deleted file mode 100644
index cacdd88..0000000
--- a/arch/i386/kernel/acpi/boot.c
+++ /dev/null
@@ -1,1326 +0,0 @@
-/*
- * boot.c - Architecture-Specific Low-Level ACPI Boot Support
- *
- * Copyright (C) 2001, 2002 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com>
- * Copyright (C) 2001 Jun Nakajima <jun.nakajima@intel.com>
- *
- * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- */
-
-#include <linux/init.h>
-#include <linux/acpi.h>
-#include <linux/acpi_pmtmr.h>
-#include <linux/efi.h>
-#include <linux/cpumask.h>
-#include <linux/module.h>
-#include <linux/dmi.h>
-#include <linux/irq.h>
-#include <linux/bootmem.h>
-#include <linux/ioport.h>
-
-#include <asm/pgtable.h>
-#include <asm/io_apic.h>
-#include <asm/apic.h>
-#include <asm/io.h>
-#include <asm/mpspec.h>
-
-static int __initdata acpi_force = 0;
-
-#ifdef CONFIG_ACPI
-int acpi_disabled = 0;
-#else
-int acpi_disabled = 1;
-#endif
-EXPORT_SYMBOL(acpi_disabled);
-
-#ifdef CONFIG_X86_64
-
-#include <asm/proto.h>
-
-static inline int acpi_madt_oem_check(char *oem_id, char *oem_table_id) { return 0; }
-
-
-#else /* X86 */
-
-#ifdef CONFIG_X86_LOCAL_APIC
-#include <mach_apic.h>
-#include <mach_mpparse.h>
-#endif /* CONFIG_X86_LOCAL_APIC */
-
-#endif /* X86 */
-
-#define BAD_MADT_ENTRY(entry, end) ( \
- (!entry) || (unsigned long)entry + sizeof(*entry) > end || \
- ((struct acpi_subtable_header *)entry)->length < sizeof(*entry))
-
-#define PREFIX "ACPI: "
-
-int acpi_noirq; /* skip ACPI IRQ initialization */
-int acpi_pci_disabled __initdata; /* skip ACPI PCI scan and IRQ initialization */
-int acpi_ht __initdata = 1; /* enable HT */
-
-int acpi_lapic;
-int acpi_ioapic;
-int acpi_strict;
-EXPORT_SYMBOL(acpi_strict);
-
-u8 acpi_sci_flags __initdata;
-int acpi_sci_override_gsi __initdata;
-int acpi_skip_timer_override __initdata;
-int acpi_use_timer_override __initdata;
-
-#ifdef CONFIG_X86_LOCAL_APIC
-static u64 acpi_lapic_addr __initdata = APIC_DEFAULT_PHYS_BASE;
-#endif
-
-#ifndef __HAVE_ARCH_CMPXCHG
-#warning ACPI uses CMPXCHG, i486 and later hardware
-#endif
-
-/* --------------------------------------------------------------------------
- Boot-time Configuration
- -------------------------------------------------------------------------- */
-
-/*
- * The default interrupt routing model is PIC (8259). This gets
- * overriden if IOAPICs are enumerated (below).
- */
-enum acpi_irq_model_id acpi_irq_model = ACPI_IRQ_MODEL_PIC;
-
-#ifdef CONFIG_X86_64
-
-/* rely on all ACPI tables being in the direct mapping */
-char *__acpi_map_table(unsigned long phys_addr, unsigned long size)
-{
- if (!phys_addr || !size)
- return NULL;
-
- if (phys_addr+size <= (end_pfn_map << PAGE_SHIFT) + PAGE_SIZE)
- return __va(phys_addr);
-
- return NULL;
-}
-
-#else
-
-/*
- * Temporarily use the virtual area starting from FIX_IO_APIC_BASE_END,
- * to map the target physical address. The problem is that set_fixmap()
- * provides a single page, and it is possible that the page is not
- * sufficient.
- * By using this area, we can map up to MAX_IO_APICS pages temporarily,
- * i.e. until the next __va_range() call.
- *
- * Important Safety Note: The fixed I/O APIC page numbers are *subtracted*
- * from the fixed base. That's why we start at FIX_IO_APIC_BASE_END and
- * count idx down while incrementing the phys address.
- */
-char *__acpi_map_table(unsigned long phys, unsigned long size)
-{
- unsigned long base, offset, mapped_size;
- int idx;
-
- if (phys + size < 8 * 1024 * 1024)
- return __va(phys);
-
- offset = phys & (PAGE_SIZE - 1);
- mapped_size = PAGE_SIZE - offset;
- set_fixmap(FIX_ACPI_END, phys);
- base = fix_to_virt(FIX_ACPI_END);
-
- /*
- * Most cases can be covered by the below.
- */
- idx = FIX_ACPI_END;
- while (mapped_size < size) {
- if (--idx < FIX_ACPI_BEGIN)
- return NULL; /* cannot handle this */
- phys += PAGE_SIZE;
- set_fixmap(idx, phys);
- mapped_size += PAGE_SIZE;
- }
-
- return ((unsigned char *)base + offset);
-}
-#endif
-
-#ifdef CONFIG_PCI_MMCONFIG
-/* The physical address of the MMCONFIG aperture. Set from ACPI tables. */
-struct acpi_mcfg_allocation *pci_mmcfg_config;
-int pci_mmcfg_config_num;
-
-int __init acpi_parse_mcfg(struct acpi_table_header *header)
-{
- struct acpi_table_mcfg *mcfg;
- unsigned long i;
- int config_size;
-
- if (!header)
- return -EINVAL;
-
- mcfg = (struct acpi_table_mcfg *)header;
-
- /* how many config structures do we have */
- pci_mmcfg_config_num = 0;
- i = header->length - sizeof(struct acpi_table_mcfg);
- while (i >= sizeof(struct acpi_mcfg_allocation)) {
- ++pci_mmcfg_config_num;
- i -= sizeof(struct acpi_mcfg_allocation);
- };
- if (pci_mmcfg_config_num == 0) {
- printk(KERN_ERR PREFIX "MMCONFIG has no entries\n");
- return -ENODEV;
- }
-
- config_size = pci_mmcfg_config_num * sizeof(*pci_mmcfg_config);
- pci_mmcfg_config = kmalloc(config_size, GFP_KERNEL);
- if (!pci_mmcfg_config) {
- printk(KERN_WARNING PREFIX
- "No memory for MCFG config tables\n");
- return -ENOMEM;
- }
-
- memcpy(pci_mmcfg_config, &mcfg[1], config_size);
- for (i = 0; i < pci_mmcfg_config_num; ++i) {
- if (pci_mmcfg_config[i].address > 0xFFFFFFFF) {
- printk(KERN_ERR PREFIX
- "MMCONFIG not in low 4GB of memory\n");
- kfree(pci_mmcfg_config);
- pci_mmcfg_config_num = 0;
- return -ENODEV;
- }
- }
-
- return 0;
-}
-#endif /* CONFIG_PCI_MMCONFIG */
-
-#ifdef CONFIG_X86_LOCAL_APIC
-static int __init acpi_parse_madt(struct acpi_table_header *table)
-{
- struct acpi_table_madt *madt = NULL;
-
- if (!cpu_has_apic)
- return -EINVAL;
-
- madt = (struct acpi_table_madt *)table;
- if (!madt) {
- printk(KERN_WARNING PREFIX "Unable to map MADT\n");
- return -ENODEV;
- }
-
- if (madt->address) {
- acpi_lapic_addr = (u64) madt->address;
-
- printk(KERN_DEBUG PREFIX "Local APIC address 0x%08x\n",
- madt->address);
- }
-
- acpi_madt_oem_check(madt->header.oem_id, madt->header.oem_table_id);
-
- return 0;
-}
-
-static int __init
-acpi_parse_lapic(struct acpi_subtable_header * header, const unsigned long end)
-{
- struct acpi_madt_local_apic *processor = NULL;
-
- processor = (struct acpi_madt_local_apic *)header;
-
- if (BAD_MADT_ENTRY(processor, end))
- return -EINVAL;
-
- acpi_table_print_madt_entry(header);
-
- /*
- * We need to register disabled CPU as well to permit
- * counting disabled CPUs. This allows us to size
- * cpus_possible_map more accurately, to permit
- * to not preallocating memory for all NR_CPUS
- * when we use CPU hotplug.
- */
- mp_register_lapic(processor->id, /* APIC ID */
- processor->lapic_flags & ACPI_MADT_ENABLED); /* Enabled? */
-
- return 0;
-}
-
-static int __init
-acpi_parse_lapic_addr_ovr(struct acpi_subtable_header * header,
- const unsigned long end)
-{
- struct acpi_madt_local_apic_override *lapic_addr_ovr = NULL;
-
- lapic_addr_ovr = (struct acpi_madt_local_apic_override *)header;
-
- if (BAD_MADT_ENTRY(lapic_addr_ovr, end))
- return -EINVAL;
-
- acpi_lapic_addr = lapic_addr_ovr->address;
-
- return 0;
-}
-
-static int __init
-acpi_parse_lapic_nmi(struct acpi_subtable_header * header, const unsigned long end)
-{
- struct acpi_madt_local_apic_nmi *lapic_nmi = NULL;
-
- lapic_nmi = (struct acpi_madt_local_apic_nmi *)header;
-
- if (BAD_MADT_ENTRY(lapic_nmi, end))
- return -EINVAL;
-
- acpi_table_print_madt_entry(header);
-
- if (lapic_nmi->lint != 1)
- printk(KERN_WARNING PREFIX "NMI not connected to LINT 1!\n");
-
- return 0;
-}
-
-#endif /*CONFIG_X86_LOCAL_APIC */
-
-#ifdef CONFIG_X86_IO_APIC
-
-static int __init
-acpi_parse_ioapic(struct acpi_subtable_header * header, const unsigned long end)
-{
- struct acpi_madt_io_apic *ioapic = NULL;
-
- ioapic = (struct acpi_madt_io_apic *)header;
-
- if (BAD_MADT_ENTRY(ioapic, end))
- return -EINVAL;
-
- acpi_table_print_madt_entry(header);
-
- mp_register_ioapic(ioapic->id,
- ioapic->address, ioapic->global_irq_base);
-
- return 0;
-}
-
-/*
- * Parse Interrupt Source Override for the ACPI SCI
- */
-static void __init acpi_sci_ioapic_setup(u32 gsi, u16 polarity, u16 trigger)
-{
- if (trigger == 0) /* compatible SCI trigger is level */
- trigger = 3;
-
- if (polarity == 0) /* compatible SCI polarity is low */
- polarity = 3;
-
- /* Command-line over-ride via acpi_sci= */
- if (acpi_sci_flags & ACPI_MADT_TRIGGER_MASK)
- trigger = (acpi_sci_flags & ACPI_MADT_TRIGGER_MASK) >> 2;
-
- if (acpi_sci_flags & ACPI_MADT_POLARITY_MASK)
- polarity = acpi_sci_flags & ACPI_MADT_POLARITY_MASK;
-
- /*
- * mp_config_acpi_legacy_irqs() already setup IRQs < 16
- * If GSI is < 16, this will update its flags,
- * else it will create a new mp_irqs[] entry.
- */
- mp_override_legacy_irq(gsi, polarity, trigger, gsi);
-
- /*
- * stash over-ride to indicate we've been here
- * and for later update of acpi_gbl_FADT
- */
- acpi_sci_override_gsi = gsi;
- return;
-}
-
-static int __init
-acpi_parse_int_src_ovr(struct acpi_subtable_header * header,
- const unsigned long end)
-{
- struct acpi_madt_interrupt_override *intsrc = NULL;
-
- intsrc = (struct acpi_madt_interrupt_override *)header;
-
- if (BAD_MADT_ENTRY(intsrc, end))
- return -EINVAL;
-
- acpi_table_print_madt_entry(header);
-
- if (intsrc->source_irq == acpi_gbl_FADT.sci_interrupt) {
- acpi_sci_ioapic_setup(intsrc->global_irq,
- intsrc->inti_flags & ACPI_MADT_POLARITY_MASK,
- (intsrc->inti_flags & ACPI_MADT_TRIGGER_MASK) >> 2);
- return 0;
- }
-
- if (acpi_skip_timer_override &&
- intsrc->source_irq == 0 && intsrc->global_irq == 2) {
- printk(PREFIX "BIOS IRQ0 pin2 override ignored.\n");
- return 0;
- }
-
- mp_override_legacy_irq(intsrc->source_irq,
- intsrc->inti_flags & ACPI_MADT_POLARITY_MASK,
- (intsrc->inti_flags & ACPI_MADT_TRIGGER_MASK) >> 2,
- intsrc->global_irq);
-
- return 0;
-}
-
-static int __init
-acpi_parse_nmi_src(struct acpi_subtable_header * header, const unsigned long end)
-{
- struct acpi_madt_nmi_source *nmi_src = NULL;
-
- nmi_src = (struct acpi_madt_nmi_source *)header;
-
- if (BAD_MADT_ENTRY(nmi_src, end))
- return -EINVAL;
-
- acpi_table_print_madt_entry(header);
-
- /* TBD: Support nimsrc entries? */
-
- return 0;
-}
-
-#endif /* CONFIG_X86_IO_APIC */
-
-/*
- * acpi_pic_sci_set_trigger()
- *
- * use ELCR to set PIC-mode trigger type for SCI
- *
- * If a PIC-mode SCI is not recognized or gives spurious IRQ7's
- * it may require Edge Trigger -- use "acpi_sci=edge"
- *
- * Port 0x4d0-4d1 are ECLR1 and ECLR2, the Edge/Level Control Registers
- * for the 8259 PIC. bit[n] = 1 means irq[n] is Level, otherwise Edge.
- * ECLR1 is IRQ's 0-7 (IRQ 0, 1, 2 must be 0)
- * ECLR2 is IRQ's 8-15 (IRQ 8, 13 must be 0)
- */
-
-void __init acpi_pic_sci_set_trigger(unsigned int irq, u16 trigger)
-{
- unsigned int mask = 1 << irq;
- unsigned int old, new;
-
- /* Real old ELCR mask */
- old = inb(0x4d0) | (inb(0x4d1) << 8);
-
- /*
- * If we use ACPI to set PCI irq's, then we should clear ELCR
- * since we will set it correctly as we enable the PCI irq
- * routing.
- */
- new = acpi_noirq ? old : 0;
-
- /*
- * Update SCI information in the ELCR, it isn't in the PCI
- * routing tables..
- */
- switch (trigger) {
- case 1: /* Edge - clear */
- new &= ~mask;
- break;
- case 3: /* Level - set */
- new |= mask;
- break;
- }
-
- if (old == new)
- return;
-
- printk(PREFIX "setting ELCR to %04x (from %04x)\n", new, old);
- outb(new, 0x4d0);
- outb(new >> 8, 0x4d1);
-}
-
-int acpi_gsi_to_irq(u32 gsi, unsigned int *irq)
-{
- *irq = gsi;
- return 0;
-}
-
-/*
- * success: return IRQ number (>=0)
- * failure: return < 0
- */
-int acpi_register_gsi(u32 gsi, int triggering, int polarity)
-{
- unsigned int irq;
- unsigned int plat_gsi = gsi;
-
-#ifdef CONFIG_PCI
- /*
- * Make sure all (legacy) PCI IRQs are set as level-triggered.
- */
- if (acpi_irq_model == ACPI_IRQ_MODEL_PIC) {
- extern void eisa_set_level_irq(unsigned int irq);
-
- if (triggering == ACPI_LEVEL_SENSITIVE)
- eisa_set_level_irq(gsi);
- }
-#endif
-
-#ifdef CONFIG_X86_IO_APIC
- if (acpi_irq_model == ACPI_IRQ_MODEL_IOAPIC) {
- plat_gsi = mp_register_gsi(gsi, triggering, polarity);
- }
-#endif
- acpi_gsi_to_irq(plat_gsi, &irq);
- return irq;
-}
-
-EXPORT_SYMBOL(acpi_register_gsi);
-
-/*
- * ACPI based hotplug support for CPU
- */
-#ifdef CONFIG_ACPI_HOTPLUG_CPU
-int acpi_map_lsapic(acpi_handle handle, int *pcpu)
-{
- struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
- union acpi_object *obj;
- struct acpi_madt_local_apic *lapic;
- cpumask_t tmp_map, new_map;
- u8 physid;
- int cpu;
-
- if (ACPI_FAILURE(acpi_evaluate_object(handle, "_MAT", NULL, &buffer)))
- return -EINVAL;
-
- if (!buffer.length || !buffer.pointer)
- return -EINVAL;
-
- obj = buffer.pointer;
- if (obj->type != ACPI_TYPE_BUFFER ||
- obj->buffer.length < sizeof(*lapic)) {
- kfree(buffer.pointer);
- return -EINVAL;
- }
-
- lapic = (struct acpi_madt_local_apic *)obj->buffer.pointer;
-
- if (lapic->header.type != ACPI_MADT_TYPE_LOCAL_APIC ||
- !(lapic->lapic_flags & ACPI_MADT_ENABLED)) {
- kfree(buffer.pointer);
- return -EINVAL;
- }
-
- physid = lapic->id;
-
- kfree(buffer.pointer);
- buffer.length = ACPI_ALLOCATE_BUFFER;
- buffer.pointer = NULL;
-
- tmp_map = cpu_present_map;
- mp_register_lapic(physid, lapic->lapic_flags & ACPI_MADT_ENABLED);
-
- /*
- * If mp_register_lapic successfully generates a new logical cpu
- * number, then the following will get us exactly what was mapped
- */
- cpus_andnot(new_map, cpu_present_map, tmp_map);
- if (cpus_empty(new_map)) {
- printk ("Unable to map lapic to logical cpu number\n");
- return -EINVAL;
- }
-
- cpu = first_cpu(new_map);
-
- *pcpu = cpu;
- return 0;
-}
-
-EXPORT_SYMBOL(acpi_map_lsapic);
-
-int acpi_unmap_lsapic(int cpu)
-{
- x86_cpu_to_apicid[cpu] = -1;
- cpu_clear(cpu, cpu_present_map);
- num_processors--;
-
- return (0);
-}
-
-EXPORT_SYMBOL(acpi_unmap_lsapic);
-#endif /* CONFIG_ACPI_HOTPLUG_CPU */
-
-int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base)
-{
- /* TBD */
- return -EINVAL;
-}
-
-EXPORT_SYMBOL(acpi_register_ioapic);
-
-int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base)
-{
- /* TBD */
- return -EINVAL;
-}
-
-EXPORT_SYMBOL(acpi_unregister_ioapic);
-
-static unsigned long __init
-acpi_scan_rsdp(unsigned long start, unsigned long length)
-{
- unsigned long offset = 0;
- unsigned long sig_len = sizeof("RSD PTR ") - 1;
-
- /*
- * Scan all 16-byte boundaries of the physical memory region for the
- * RSDP signature.
- */
- for (offset = 0; offset < length; offset += 16) {
- if (strncmp((char *)(phys_to_virt(start) + offset), "RSD PTR ", sig_len))
- continue;
- return (start + offset);
- }
-
- return 0;
-}
-
-static int __init acpi_parse_sbf(struct acpi_table_header *table)
-{
- struct acpi_table_boot *sb;
-
- sb = (struct acpi_table_boot *)table;
- if (!sb) {
- printk(KERN_WARNING PREFIX "Unable to map SBF\n");
- return -ENODEV;
- }
-
- sbf_port = sb->cmos_index; /* Save CMOS port */
-
- return 0;
-}
-
-#ifdef CONFIG_HPET_TIMER
-#include <asm/hpet.h>
-
-static struct __initdata resource *hpet_res;
-
-static int __init acpi_parse_hpet(struct acpi_table_header *table)
-{
- struct acpi_table_hpet *hpet_tbl;
-
- hpet_tbl = (struct acpi_table_hpet *)table;
- if (!hpet_tbl) {
- printk(KERN_WARNING PREFIX "Unable to map HPET\n");
- return -ENODEV;
- }
-
- if (hpet_tbl->address.space_id != ACPI_SPACE_MEM) {
- printk(KERN_WARNING PREFIX "HPET timers must be located in "
- "memory.\n");
- return -1;
- }
-
- hpet_address = hpet_tbl->address.address;
- printk(KERN_INFO PREFIX "HPET id: %#x base: %#lx\n",
- hpet_tbl->id, hpet_address);
-
- /*
- * Allocate and initialize the HPET firmware resource for adding into
- * the resource tree during the lateinit timeframe.
- */
-#define HPET_RESOURCE_NAME_SIZE 9
- hpet_res = alloc_bootmem(sizeof(*hpet_res) + HPET_RESOURCE_NAME_SIZE);
-
- if (!hpet_res)
- return 0;
-
- memset(hpet_res, 0, sizeof(*hpet_res));
- hpet_res->name = (void *)&hpet_res[1];
- hpet_res->flags = IORESOURCE_MEM;
- snprintf((char *)hpet_res->name, HPET_RESOURCE_NAME_SIZE, "HPET %u",
- hpet_tbl->sequence);
-
- hpet_res->start = hpet_address;
- hpet_res->end = hpet_address + (1 * 1024) - 1;
-
- return 0;
-}
-
-/*
- * hpet_insert_resource inserts the HPET resources used into the resource
- * tree.
- */
-static __init int hpet_insert_resource(void)
-{
- if (!hpet_res)
- return 1;
-
- return insert_resource(&iomem_resource, hpet_res);
-}
-
-late_initcall(hpet_insert_resource);
-
-#else
-#define acpi_parse_hpet NULL
-#endif
-
-static int __init acpi_parse_fadt(struct acpi_table_header *table)
-{
-
-#ifdef CONFIG_X86_PM_TIMER
- /* detect the location of the ACPI PM Timer */
- if (acpi_gbl_FADT.header.revision >= FADT2_REVISION_ID) {
- /* FADT rev. 2 */
- if (acpi_gbl_FADT.xpm_timer_block.space_id !=
- ACPI_ADR_SPACE_SYSTEM_IO)
- return 0;
-
- pmtmr_ioport = acpi_gbl_FADT.xpm_timer_block.address;
- /*
- * "X" fields are optional extensions to the original V1.0
- * fields, so we must selectively expand V1.0 fields if the
- * corresponding X field is zero.
- */
- if (!pmtmr_ioport)
- pmtmr_ioport = acpi_gbl_FADT.pm_timer_block;
- } else {
- /* FADT rev. 1 */
- pmtmr_ioport = acpi_gbl_FADT.pm_timer_block;
- }
- if (pmtmr_ioport)
- printk(KERN_INFO PREFIX "PM-Timer IO Port: %#x\n",
- pmtmr_ioport);
-#endif
- return 0;
-}
-
-unsigned long __init acpi_find_rsdp(void)
-{
- unsigned long rsdp_phys = 0;
-
- if (efi_enabled) {
- if (efi.acpi20 != EFI_INVALID_TABLE_ADDR)
- return efi.acpi20;
- else if (efi.acpi != EFI_INVALID_TABLE_ADDR)
- return efi.acpi;
- }
- /*
- * Scan memory looking for the RSDP signature. First search EBDA (low
- * memory) paragraphs and then search upper memory (E0000-FFFFF).
- */
- rsdp_phys = acpi_scan_rsdp(0, 0x400);
- if (!rsdp_phys)
- rsdp_phys = acpi_scan_rsdp(0xE0000, 0x20000);
-
- return rsdp_phys;
-}
-
-#ifdef CONFIG_X86_LOCAL_APIC
-/*
- * Parse LAPIC entries in MADT
- * returns 0 on success, < 0 on error
- */
-static int __init acpi_parse_madt_lapic_entries(void)
-{
- int count;
-
- if (!cpu_has_apic)
- return -ENODEV;
-
- /*
- * Note that the LAPIC address is obtained from the MADT (32-bit value)
- * and (optionally) overriden by a LAPIC_ADDR_OVR entry (64-bit value).
- */
-
- count =
- acpi_table_parse_madt(ACPI_MADT_TYPE_LOCAL_APIC_OVERRIDE,
- acpi_parse_lapic_addr_ovr, 0);
- if (count < 0) {
- printk(KERN_ERR PREFIX
- "Error parsing LAPIC address override entry\n");
- return count;
- }
-
- mp_register_lapic_address(acpi_lapic_addr);
-
- count = acpi_table_parse_madt(ACPI_MADT_TYPE_LOCAL_APIC, acpi_parse_lapic,
- MAX_APICS);
- if (!count) {
- printk(KERN_ERR PREFIX "No LAPIC entries present\n");
- /* TBD: Cleanup to allow fallback to MPS */
- return -ENODEV;
- } else if (count < 0) {
- printk(KERN_ERR PREFIX "Error parsing LAPIC entry\n");
- /* TBD: Cleanup to allow fallback to MPS */
- return count;
- }
-
- count =
- acpi_table_parse_madt(ACPI_MADT_TYPE_LOCAL_APIC_NMI, acpi_parse_lapic_nmi, 0);
- if (count < 0) {
- printk(KERN_ERR PREFIX "Error parsing LAPIC NMI entry\n");
- /* TBD: Cleanup to allow fallback to MPS */
- return count;
- }
- return 0;
-}
-#endif /* CONFIG_X86_LOCAL_APIC */
-
-#ifdef CONFIG_X86_IO_APIC
-/*
- * Parse IOAPIC related entries in MADT
- * returns 0 on success, < 0 on error
- */
-static int __init acpi_parse_madt_ioapic_entries(void)
-{
- int count;
-
- /*
- * ACPI interpreter is required to complete interrupt setup,
- * so if it is off, don't enumerate the io-apics with ACPI.
- * If MPS is present, it will handle them,
- * otherwise the system will stay in PIC mode
- */
- if (acpi_disabled || acpi_noirq) {
- return -ENODEV;
- }
-
- if (!cpu_has_apic)
- return -ENODEV;
-
- /*
- * if "noapic" boot option, don't look for IO-APICs
- */
- if (skip_ioapic_setup) {
- printk(KERN_INFO PREFIX "Skipping IOAPIC probe "
- "due to 'noapic' option.\n");
- return -ENODEV;
- }
-
- count =
- acpi_table_parse_madt(ACPI_MADT_TYPE_IO_APIC, acpi_parse_ioapic,
- MAX_IO_APICS);
- if (!count) {
- printk(KERN_ERR PREFIX "No IOAPIC entries present\n");
- return -ENODEV;
- } else if (count < 0) {
- printk(KERN_ERR PREFIX "Error parsing IOAPIC entry\n");
- return count;
- }
-
- count =
- acpi_table_parse_madt(ACPI_MADT_TYPE_INTERRUPT_OVERRIDE, acpi_parse_int_src_ovr,
- NR_IRQ_VECTORS);
- if (count < 0) {
- printk(KERN_ERR PREFIX
- "Error parsing interrupt source overrides entry\n");
- /* TBD: Cleanup to allow fallback to MPS */
- return count;
- }
-
- /*
- * If BIOS did not supply an INT_SRC_OVR for the SCI
- * pretend we got one so we can set the SCI flags.
- */
- if (!acpi_sci_override_gsi)
- acpi_sci_ioapic_setup(acpi_gbl_FADT.sci_interrupt, 0, 0);
-
- /* Fill in identity legacy mapings where no override */
- mp_config_acpi_legacy_irqs();
-
- count =
- acpi_table_parse_madt(ACPI_MADT_TYPE_NMI_SOURCE, acpi_parse_nmi_src,
- NR_IRQ_VECTORS);
- if (count < 0) {
- printk(KERN_ERR PREFIX "Error parsing NMI SRC entry\n");
- /* TBD: Cleanup to allow fallback to MPS */
- return count;
- }
-
- return 0;
-}
-#else
-static inline int acpi_parse_madt_ioapic_entries(void)
-{
- return -1;
-}
-#endif /* !CONFIG_X86_IO_APIC */
-
-static void __init acpi_process_madt(void)
-{
-#ifdef CONFIG_X86_LOCAL_APIC
- int error;
-
- if (!acpi_table_parse(ACPI_SIG_MADT, acpi_parse_madt)) {
-
- /*
- * Parse MADT LAPIC entries
- */
- error = acpi_parse_madt_lapic_entries();
- if (!error) {
- acpi_lapic = 1;
-
-#ifdef CONFIG_X86_GENERICARCH
- generic_bigsmp_probe();
-#endif
- /*
- * Parse MADT IO-APIC entries
- */
- error = acpi_parse_madt_ioapic_entries();
- if (!error) {
- acpi_irq_model = ACPI_IRQ_MODEL_IOAPIC;
- acpi_irq_balance_set(NULL);
- acpi_ioapic = 1;
-
- smp_found_config = 1;
- setup_apic_routing();
- }
- }
- if (error == -EINVAL) {
- /*
- * Dell Precision Workstation 410, 610 come here.
- */
- printk(KERN_ERR PREFIX
- "Invalid BIOS MADT, disabling ACPI\n");
- disable_acpi();
- }
- }
-#endif
- return;
-}
-
-#ifdef __i386__
-
-static int __init disable_acpi_irq(struct dmi_system_id *d)
-{
- if (!acpi_force) {
- printk(KERN_NOTICE "%s detected: force use of acpi=noirq\n",
- d->ident);
- acpi_noirq_set();
- }
- return 0;
-}
-
-static int __init disable_acpi_pci(struct dmi_system_id *d)
-{
- if (!acpi_force) {
- printk(KERN_NOTICE "%s detected: force use of pci=noacpi\n",
- d->ident);
- acpi_disable_pci();
- }
- return 0;
-}
-
-static int __init dmi_disable_acpi(struct dmi_system_id *d)
-{
- if (!acpi_force) {
- printk(KERN_NOTICE "%s detected: acpi off\n", d->ident);
- disable_acpi();
- } else {
- printk(KERN_NOTICE
- "Warning: DMI blacklist says broken, but acpi forced\n");
- }
- return 0;
-}
-
-/*
- * Limit ACPI to CPU enumeration for HT
- */
-static int __init force_acpi_ht(struct dmi_system_id *d)
-{
- if (!acpi_force) {
- printk(KERN_NOTICE "%s detected: force use of acpi=ht\n",
- d->ident);
- disable_acpi();
- acpi_ht = 1;
- } else {
- printk(KERN_NOTICE
- "Warning: acpi=force overrules DMI blacklist: acpi=ht\n");
- }
- return 0;
-}
-
-/*
- * If your system is blacklisted here, but you find that acpi=force
- * works for you, please contact acpi-devel@sourceforge.net
- */
-static struct dmi_system_id __initdata acpi_dmi_table[] = {
- /*
- * Boxes that need ACPI disabled
- */
- {
- .callback = dmi_disable_acpi,
- .ident = "IBM Thinkpad",
- .matches = {
- DMI_MATCH(DMI_BOARD_VENDOR, "IBM"),
- DMI_MATCH(DMI_BOARD_NAME, "2629H1G"),
- },
- },
-
- /*
- * Boxes that need acpi=ht
- */
- {
- .callback = force_acpi_ht,
- .ident = "FSC Primergy T850",
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
- DMI_MATCH(DMI_PRODUCT_NAME, "PRIMERGY T850"),
- },
- },
- {
- .callback = force_acpi_ht,
- .ident = "HP VISUALIZE NT Workstation",
- .matches = {
- DMI_MATCH(DMI_BOARD_VENDOR, "Hewlett-Packard"),
- DMI_MATCH(DMI_PRODUCT_NAME, "HP VISUALIZE NT Workstation"),
- },
- },
- {
- .callback = force_acpi_ht,
- .ident = "Compaq Workstation W8000",
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "Compaq"),
- DMI_MATCH(DMI_PRODUCT_NAME, "Workstation W8000"),
- },
- },
- {
- .callback = force_acpi_ht,
- .ident = "ASUS P4B266",
- .matches = {
- DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer INC."),
- DMI_MATCH(DMI_BOARD_NAME, "P4B266"),
- },
- },
- {
- .callback = force_acpi_ht,
- .ident = "ASUS P2B-DS",
- .matches = {
- DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer INC."),
- DMI_MATCH(DMI_BOARD_NAME, "P2B-DS"),
- },
- },
- {
- .callback = force_acpi_ht,
- .ident = "ASUS CUR-DLS",
- .matches = {
- DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer INC."),
- DMI_MATCH(DMI_BOARD_NAME, "CUR-DLS"),
- },
- },
- {
- .callback = force_acpi_ht,
- .ident = "ABIT i440BX-W83977",
- .matches = {
- DMI_MATCH(DMI_BOARD_VENDOR, "ABIT <http://www.abit.com>"),
- DMI_MATCH(DMI_BOARD_NAME, "i440BX-W83977 (BP6)"),
- },
- },
- {
- .callback = force_acpi_ht,
- .ident = "IBM Bladecenter",
- .matches = {
- DMI_MATCH(DMI_BOARD_VENDOR, "IBM"),
- DMI_MATCH(DMI_BOARD_NAME, "IBM eServer BladeCenter HS20"),
- },
- },
- {
- .callback = force_acpi_ht,
- .ident = "IBM eServer xSeries 360",
- .matches = {
- DMI_MATCH(DMI_BOARD_VENDOR, "IBM"),
- DMI_MATCH(DMI_BOARD_NAME, "eServer xSeries 360"),
- },
- },
- {
- .callback = force_acpi_ht,
- .ident = "IBM eserver xSeries 330",
- .matches = {
- DMI_MATCH(DMI_BOARD_VENDOR, "IBM"),
- DMI_MATCH(DMI_BOARD_NAME, "eserver xSeries 330"),
- },
- },
- {
- .callback = force_acpi_ht,
- .ident = "IBM eserver xSeries 440",
- .matches = {
- DMI_MATCH(DMI_BOARD_VENDOR, "IBM"),
- DMI_MATCH(DMI_PRODUCT_NAME, "eserver xSeries 440"),
- },
- },
-
- /*
- * Boxes that need ACPI PCI IRQ routing disabled
- */
- {
- .callback = disable_acpi_irq,
- .ident = "ASUS A7V",
- .matches = {
- DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer INC"),
- DMI_MATCH(DMI_BOARD_NAME, "<A7V>"),
- /* newer BIOS, Revision 1011, does work */
- DMI_MATCH(DMI_BIOS_VERSION,
- "ASUS A7V ACPI BIOS Revision 1007"),
- },
- },
- {
- /*
- * Latest BIOS for IBM 600E (1.16) has bad pcinum
- * for LPC bridge, which is needed for the PCI
- * interrupt links to work. DSDT fix is in bug 5966.
- * 2645, 2646 model numbers are shared with 600/600E/600X
- */
- .callback = disable_acpi_irq,
- .ident = "IBM Thinkpad 600 Series 2645",
- .matches = {
- DMI_MATCH(DMI_BOARD_VENDOR, "IBM"),
- DMI_MATCH(DMI_BOARD_NAME, "2645"),
- },
- },
- {
- .callback = disable_acpi_irq,
- .ident = "IBM Thinkpad 600 Series 2646",
- .matches = {
- DMI_MATCH(DMI_BOARD_VENDOR, "IBM"),
- DMI_MATCH(DMI_BOARD_NAME, "2646"),
- },
- },
- /*
- * Boxes that need ACPI PCI IRQ routing and PCI scan disabled
- */
- { /* _BBN 0 bug */
- .callback = disable_acpi_pci,
- .ident = "ASUS PR-DLS",
- .matches = {
- DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer INC."),
- DMI_MATCH(DMI_BOARD_NAME, "PR-DLS"),
- DMI_MATCH(DMI_BIOS_VERSION,
- "ASUS PR-DLS ACPI BIOS Revision 1010"),
- DMI_MATCH(DMI_BIOS_DATE, "03/21/2003")
- },
- },
- {
- .callback = disable_acpi_pci,
- .ident = "Acer TravelMate 36x Laptop",
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
- DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 360"),
- },
- },
- {}
-};
-
-#endif /* __i386__ */
-
-/*
- * acpi_boot_table_init() and acpi_boot_init()
- * called from setup_arch(), always.
- * 1. checksums all tables
- * 2. enumerates lapics
- * 3. enumerates io-apics
- *
- * acpi_table_init() is separate to allow reading SRAT without
- * other side effects.
- *
- * side effects of acpi_boot_init:
- * acpi_lapic = 1 if LAPIC found
- * acpi_ioapic = 1 if IOAPIC found
- * if (acpi_lapic && acpi_ioapic) smp_found_config = 1;
- * if acpi_blacklisted() acpi_disabled = 1;
- * acpi_irq_model=...
- * ...
- *
- * return value: (currently ignored)
- * 0: success
- * !0: failure
- */
-
-int __init acpi_boot_table_init(void)
-{
- int error;
-
-#ifdef __i386__
- dmi_check_system(acpi_dmi_table);
-#endif
-
- /*
- * If acpi_disabled, bail out
- * One exception: acpi=ht continues far enough to enumerate LAPICs
- */
- if (acpi_disabled && !acpi_ht)
- return 1;
-
- /*
- * Initialize the ACPI boot-time table parser.
- */
- error = acpi_table_init();
- if (error) {
- disable_acpi();
- return error;
- }
-
- acpi_table_parse(ACPI_SIG_BOOT, acpi_parse_sbf);
-
- /*
- * blacklist may disable ACPI entirely
- */
- error = acpi_blacklisted();
- if (error) {
- if (acpi_force) {
- printk(KERN_WARNING PREFIX "acpi=force override\n");
- } else {
- printk(KERN_WARNING PREFIX "Disabling ACPI support\n");
- disable_acpi();
- return error;
- }
- }
-
- return 0;
-}
-
-int __init acpi_boot_init(void)
-{
- /*
- * If acpi_disabled, bail out
- * One exception: acpi=ht continues far enough to enumerate LAPICs
- */
- if (acpi_disabled && !acpi_ht)
- return 1;
-
- acpi_table_parse(ACPI_SIG_BOOT, acpi_parse_sbf);
-
- /*
- * set sci_int and PM timer address
- */
- acpi_table_parse(ACPI_SIG_FADT, acpi_parse_fadt);
-
- /*
- * Process the Multiple APIC Description Table (MADT), if present
- */
- acpi_process_madt();
-
- acpi_table_parse(ACPI_SIG_HPET, acpi_parse_hpet);
-
- return 0;
-}
-
-static int __init parse_acpi(char *arg)
-{
- if (!arg)
- return -EINVAL;
-
- /* "acpi=off" disables both ACPI table parsing and interpreter */
- if (strcmp(arg, "off") == 0) {
- disable_acpi();
- }
- /* acpi=force to over-ride black-list */
- else if (strcmp(arg, "force") == 0) {
- acpi_force = 1;
- acpi_ht = 1;
- acpi_disabled = 0;
- }
- /* acpi=strict disables out-of-spec workarounds */
- else if (strcmp(arg, "strict") == 0) {
- acpi_strict = 1;
- }
- /* Limit ACPI just to boot-time to enable HT */
- else if (strcmp(arg, "ht") == 0) {
- if (!acpi_force)
- disable_acpi();
- acpi_ht = 1;
- }
- /* "acpi=noirq" disables ACPI interrupt routing */
- else if (strcmp(arg, "noirq") == 0) {
- acpi_noirq_set();
- } else {
- /* Core will printk when we return error. */
- return -EINVAL;
- }
- return 0;
-}
-early_param("acpi", parse_acpi);
-
-/* FIXME: Using pci= for an ACPI parameter is a travesty. */
-static int __init parse_pci(char *arg)
-{
- if (arg && strcmp(arg, "noacpi") == 0)
- acpi_disable_pci();
- return 0;
-}
-early_param("pci", parse_pci);
-
-#ifdef CONFIG_X86_IO_APIC
-static int __init parse_acpi_skip_timer_override(char *arg)
-{
- acpi_skip_timer_override = 1;
- return 0;
-}
-early_param("acpi_skip_timer_override", parse_acpi_skip_timer_override);
-
-static int __init parse_acpi_use_timer_override(char *arg)
-{
- acpi_use_timer_override = 1;
- return 0;
-}
-early_param("acpi_use_timer_override", parse_acpi_use_timer_override);
-#endif /* CONFIG_X86_IO_APIC */
-
-static int __init setup_acpi_sci(char *s)
-{
- if (!s)
- return -EINVAL;
- if (!strcmp(s, "edge"))
- acpi_sci_flags = ACPI_MADT_TRIGGER_EDGE |
- (acpi_sci_flags & ~ACPI_MADT_TRIGGER_MASK);
- else if (!strcmp(s, "level"))
- acpi_sci_flags = ACPI_MADT_TRIGGER_LEVEL |
- (acpi_sci_flags & ~ACPI_MADT_TRIGGER_MASK);
- else if (!strcmp(s, "high"))
- acpi_sci_flags = ACPI_MADT_POLARITY_ACTIVE_HIGH |
- (acpi_sci_flags & ~ACPI_MADT_POLARITY_MASK);
- else if (!strcmp(s, "low"))
- acpi_sci_flags = ACPI_MADT_POLARITY_ACTIVE_LOW |
- (acpi_sci_flags & ~ACPI_MADT_POLARITY_MASK);
- else
- return -EINVAL;
- return 0;
-}
-early_param("acpi_sci", setup_acpi_sci);
-
-int __acpi_acquire_global_lock(unsigned int *lock)
-{
- unsigned int old, new, val;
- do {
- old = *lock;
- new = (((old & ~0x3) + 2) + ((old >> 1) & 0x1));
- val = cmpxchg(lock, old, new);
- } while (unlikely (val != old));
- return (new < 3) ? -1 : 0;
-}
-
-int __acpi_release_global_lock(unsigned int *lock)
-{
- unsigned int old, new, val;
- do {
- old = *lock;
- new = old & ~0x3;
- val = cmpxchg(lock, old, new);
- } while (unlikely (val != old));
- return old & 0x1;
-}
diff --git a/arch/i386/kernel/acpi/cstate.c b/arch/i386/kernel/acpi/cstate.c
deleted file mode 100644
index 2d39f55..0000000
--- a/arch/i386/kernel/acpi/cstate.c
+++ /dev/null
@@ -1,164 +0,0 @@
-/*
- * arch/i386/kernel/acpi/cstate.c
- *
- * Copyright (C) 2005 Intel Corporation
- * Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
- * - Added _PDC for SMP C-states on Intel CPUs
- */
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/acpi.h>
-#include <linux/cpu.h>
-#include <linux/sched.h>
-
-#include <acpi/processor.h>
-#include <asm/acpi.h>
-
-/*
- * Initialize bm_flags based on the CPU cache properties
- * On SMP it depends on cache configuration
- * - When cache is not shared among all CPUs, we flush cache
- * before entering C3.
- * - When cache is shared among all CPUs, we use bm_check
- * mechanism as in UP case
- *
- * This routine is called only after all the CPUs are online
- */
-void acpi_processor_power_init_bm_check(struct acpi_processor_flags *flags,
- unsigned int cpu)
-{
- struct cpuinfo_x86 *c = cpu_data + cpu;
-
- flags->bm_check = 0;
- if (num_online_cpus() == 1)
- flags->bm_check = 1;
- else if (c->x86_vendor == X86_VENDOR_INTEL) {
- /*
- * Today all CPUs that support C3 share cache.
- * TBD: This needs to look at cache shared map, once
- * multi-core detection patch makes to the base.
- */
- flags->bm_check = 1;
- }
-}
-EXPORT_SYMBOL(acpi_processor_power_init_bm_check);
-
-/* The code below handles cstate entry with monitor-mwait pair on Intel*/
-
-struct cstate_entry {
- struct {
- unsigned int eax;
- unsigned int ecx;
- } states[ACPI_PROCESSOR_MAX_POWER];
-};
-static struct cstate_entry *cpu_cstate_entry; /* per CPU ptr */
-
-static short mwait_supported[ACPI_PROCESSOR_MAX_POWER];
-
-#define MWAIT_SUBSTATE_MASK (0xf)
-#define MWAIT_SUBSTATE_SIZE (4)
-
-#define CPUID_MWAIT_LEAF (5)
-#define CPUID5_ECX_EXTENSIONS_SUPPORTED (0x1)
-#define CPUID5_ECX_INTERRUPT_BREAK (0x2)
-
-#define MWAIT_ECX_INTERRUPT_BREAK (0x1)
-
-#define NATIVE_CSTATE_BEYOND_HALT (2)
-
-int acpi_processor_ffh_cstate_probe(unsigned int cpu,
- struct acpi_processor_cx *cx, struct acpi_power_register *reg)
-{
- struct cstate_entry *percpu_entry;
- struct cpuinfo_x86 *c = cpu_data + cpu;
-
- cpumask_t saved_mask;
- int retval;
- unsigned int eax, ebx, ecx, edx;
- unsigned int edx_part;
- unsigned int cstate_type; /* C-state type and not ACPI C-state type */
- unsigned int num_cstate_subtype;
-
- if (!cpu_cstate_entry || c->cpuid_level < CPUID_MWAIT_LEAF )
- return -1;
-
- if (reg->bit_offset != NATIVE_CSTATE_BEYOND_HALT)
- return -1;
-
- percpu_entry = per_cpu_ptr(cpu_cstate_entry, cpu);
- percpu_entry->states[cx->index].eax = 0;
- percpu_entry->states[cx->index].ecx = 0;
-
- /* Make sure we are running on right CPU */
- saved_mask = current->cpus_allowed;
- retval = set_cpus_allowed(current, cpumask_of_cpu(cpu));
- if (retval)
- return -1;
-
- cpuid(CPUID_MWAIT_LEAF, &eax, &ebx, &ecx, &edx);
-
- /* Check whether this particular cx_type (in CST) is supported or not */
- cstate_type = (cx->address >> MWAIT_SUBSTATE_SIZE) + 1;
- edx_part = edx >> (cstate_type * MWAIT_SUBSTATE_SIZE);
- num_cstate_subtype = edx_part & MWAIT_SUBSTATE_MASK;
-
- retval = 0;
- if (num_cstate_subtype < (cx->address & MWAIT_SUBSTATE_MASK)) {
- retval = -1;
- goto out;
- }
-
- /* mwait ecx extensions INTERRUPT_BREAK should be supported for C2/C3 */
- if (!(ecx & CPUID5_ECX_EXTENSIONS_SUPPORTED) ||
- !(ecx & CPUID5_ECX_INTERRUPT_BREAK)) {
- retval = -1;
- goto out;
- }
- percpu_entry->states[cx->index].ecx = MWAIT_ECX_INTERRUPT_BREAK;
-
- /* Use the hint in CST */
- percpu_entry->states[cx->index].eax = cx->address;
-
- if (!mwait_supported[cstate_type]) {
- mwait_supported[cstate_type] = 1;
- printk(KERN_DEBUG "Monitor-Mwait will be used to enter C-%d "
- "state\n", cx->type);
- }
-
-out:
- set_cpus_allowed(current, saved_mask);
- return retval;
-}
-EXPORT_SYMBOL_GPL(acpi_processor_ffh_cstate_probe);
-
-void acpi_processor_ffh_cstate_enter(struct acpi_processor_cx *cx)
-{
- unsigned int cpu = smp_processor_id();
- struct cstate_entry *percpu_entry;
-
- percpu_entry = per_cpu_ptr(cpu_cstate_entry, cpu);
- mwait_idle_with_hints(percpu_entry->states[cx->index].eax,
- percpu_entry->states[cx->index].ecx);
-}
-EXPORT_SYMBOL_GPL(acpi_processor_ffh_cstate_enter);
-
-static int __init ffh_cstate_init(void)
-{
- struct cpuinfo_x86 *c = &boot_cpu_data;
- if (c->x86_vendor != X86_VENDOR_INTEL)
- return -1;
-
- cpu_cstate_entry = alloc_percpu(struct cstate_entry);
- return 0;
-}
-
-static void __exit ffh_cstate_exit(void)
-{
- free_percpu(cpu_cstate_entry);
- cpu_cstate_entry = NULL;
-}
-
-arch_initcall(ffh_cstate_init);
-__exitcall(ffh_cstate_exit);
diff --git a/arch/i386/kernel/acpi/earlyquirk_32.c b/arch/i386/kernel/acpi/earlyquirk_32.c
deleted file mode 100644
index 23f78ef..0000000
--- a/arch/i386/kernel/acpi/earlyquirk_32.c
+++ /dev/null
@@ -1,84 +0,0 @@
-/*
- * Do early PCI probing for bug detection when the main PCI subsystem is
- * not up yet.
- */
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/pci.h>
-#include <linux/acpi.h>
-
-#include <asm/pci-direct.h>
-#include <asm/acpi.h>
-#include <asm/apic.h>
-
-#ifdef CONFIG_ACPI
-
-static int __init nvidia_hpet_check(struct acpi_table_header *header)
-{
- return 0;
-}
-#endif
-
-static int __init check_bridge(int vendor, int device)
-{
-#ifdef CONFIG_ACPI
- static int warned;
- /* According to Nvidia all timer overrides are bogus unless HPET
- is enabled. */
- if (!acpi_use_timer_override && vendor == PCI_VENDOR_ID_NVIDIA) {
- if (!warned && acpi_table_parse(ACPI_SIG_HPET,
- nvidia_hpet_check)) {
- warned = 1;
- acpi_skip_timer_override = 1;
- printk(KERN_INFO "Nvidia board "
- "detected. Ignoring ACPI "
- "timer override.\n");
- printk(KERN_INFO "If you got timer trouble "
- "try acpi_use_timer_override\n");
-
- }
- }
-#endif
- if (vendor == PCI_VENDOR_ID_ATI && timer_over_8254 == 1) {
- timer_over_8254 = 0;
- printk(KERN_INFO "ATI board detected. Disabling timer routing "
- "over 8254.\n");
- }
- return 0;
-}
-
-void __init check_acpi_pci(void)
-{
- int num, slot, func;
-
- /* Assume the machine supports type 1. If not it will
- always read ffffffff and should not have any side effect.
- Actually a few buggy systems can machine check. Allow the user
- to disable it by command line option at least -AK */
- if (!early_pci_allowed())
- return;
-
- /* Poor man's PCI discovery */
- for (num = 0; num < 32; num++) {
- for (slot = 0; slot < 32; slot++) {
- for (func = 0; func < 8; func++) {
- u32 class;
- u32 vendor;
- class = read_pci_config(num, slot, func,
- PCI_CLASS_REVISION);
- if (class == 0xffffffff)
- break;
-
- if ((class >> 16) != PCI_CLASS_BRIDGE_PCI)
- continue;
-
- vendor = read_pci_config(num, slot, func,
- PCI_VENDOR_ID);
-
- if (check_bridge(vendor & 0xffff, vendor >> 16))
- return;
- }
-
- }
- }
-}
diff --git a/arch/i386/kernel/acpi/processor.c b/arch/i386/kernel/acpi/processor.c
deleted file mode 100644
index b54fded..0000000
--- a/arch/i386/kernel/acpi/processor.c
+++ /dev/null
@@ -1,75 +0,0 @@
-/*
- * arch/i386/kernel/acpi/processor.c
- *
- * Copyright (C) 2005 Intel Corporation
- * Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
- * - Added _PDC for platforms with Intel CPUs
- */
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/acpi.h>
-
-#include <acpi/processor.h>
-#include <asm/acpi.h>
-
-static void init_intel_pdc(struct acpi_processor *pr, struct cpuinfo_x86 *c)
-{
- struct acpi_object_list *obj_list;
- union acpi_object *obj;
- u32 *buf;
-
- /* allocate and initialize pdc. It will be used later. */
- obj_list = kmalloc(sizeof(struct acpi_object_list), GFP_KERNEL);
- if (!obj_list) {
- printk(KERN_ERR "Memory allocation error\n");
- return;
- }
-
- obj = kmalloc(sizeof(union acpi_object), GFP_KERNEL);
- if (!obj) {
- printk(KERN_ERR "Memory allocation error\n");
- kfree(obj_list);
- return;
- }
-
- buf = kmalloc(12, GFP_KERNEL);
- if (!buf) {
- printk(KERN_ERR "Memory allocation error\n");
- kfree(obj);
- kfree(obj_list);
- return;
- }
-
- buf[0] = ACPI_PDC_REVISION_ID;
- buf[1] = 1;
- buf[2] = ACPI_PDC_C_CAPABILITY_SMP;
-
- if (cpu_has(c, X86_FEATURE_EST))
- buf[2] |= ACPI_PDC_EST_CAPABILITY_SWSMP;
-
- obj->type = ACPI_TYPE_BUFFER;
- obj->buffer.length = 12;
- obj->buffer.pointer = (u8 *) buf;
- obj_list->count = 1;
- obj_list->pointer = obj;
- pr->pdc = obj_list;
-
- return;
-}
-
-/* Initialize _PDC data based on the CPU vendor */
-void arch_acpi_processor_init_pdc(struct acpi_processor *pr)
-{
- unsigned int cpu = pr->id;
- struct cpuinfo_x86 *c = cpu_data + cpu;
-
- pr->pdc = NULL;
- if (c->x86_vendor == X86_VENDOR_INTEL)
- init_intel_pdc(pr, c);
-
- return;
-}
-
-EXPORT_SYMBOL(arch_acpi_processor_init_pdc);
diff --git a/arch/i386/kernel/acpi/sleep_32.c b/arch/i386/kernel/acpi/sleep_32.c
deleted file mode 100644
index c42b5ab..0000000
--- a/arch/i386/kernel/acpi/sleep_32.c
+++ /dev/null
@@ -1,110 +0,0 @@
-/*
- * sleep.c - x86-specific ACPI sleep support.
- *
- * Copyright (C) 2001-2003 Patrick Mochel
- * Copyright (C) 2001-2003 Pavel Machek <pavel@suse.cz>
- */
-
-#include <linux/acpi.h>
-#include <linux/bootmem.h>
-#include <linux/dmi.h>
-#include <linux/cpumask.h>
-
-#include <asm/smp.h>
-
-/* address in low memory of the wakeup routine. */
-unsigned long acpi_wakeup_address = 0;
-unsigned long acpi_realmode_flags;
-extern char wakeup_start, wakeup_end;
-
-extern unsigned long FASTCALL(acpi_copy_wakeup_routine(unsigned long));
-
-/**
- * acpi_save_state_mem - save kernel state
- *
- * Create an identity mapped page table and copy the wakeup routine to
- * low memory.
- */
-int acpi_save_state_mem(void)
-{
- if (!acpi_wakeup_address)
- return 1;
- memcpy((void *)acpi_wakeup_address, &wakeup_start,
- &wakeup_end - &wakeup_start);
- acpi_copy_wakeup_routine(acpi_wakeup_address);
-
- return 0;
-}
-
-/*
- * acpi_restore_state - undo effects of acpi_save_state_mem
- */
-void acpi_restore_state_mem(void)
-{
-}
-
-/**
- * acpi_reserve_bootmem - do _very_ early ACPI initialisation
- *
- * We allocate a page from the first 1MB of memory for the wakeup
- * routine for when we come back from a sleep state. The
- * runtime allocator allows specification of <16MB pages, but not
- * <1MB pages.
- */
-void __init acpi_reserve_bootmem(void)
-{
- if ((&wakeup_end - &wakeup_start) > PAGE_SIZE) {
- printk(KERN_ERR
- "ACPI: Wakeup code way too big, S3 disabled.\n");
- return;
- }
-
- acpi_wakeup_address = (unsigned long)alloc_bootmem_low(PAGE_SIZE);
- if (!acpi_wakeup_address)
- printk(KERN_ERR "ACPI: Cannot allocate lowmem, S3 disabled.\n");
-}
-
-static int __init acpi_sleep_setup(char *str)
-{
- while ((str != NULL) && (*str != '\0')) {
- if (strncmp(str, "s3_bios", 7) == 0)
- acpi_realmode_flags |= 1;
- if (strncmp(str, "s3_mode", 7) == 0)
- acpi_realmode_flags |= 2;
- if (strncmp(str, "s3_beep", 7) == 0)
- acpi_realmode_flags |= 4;
- str = strchr(str, ',');
- if (str != NULL)
- str += strspn(str, ", \t");
- }
- return 1;
-}
-
-__setup("acpi_sleep=", acpi_sleep_setup);
-
-/* Ouch, we want to delete this. We already have better version in userspace, in
- s2ram from suspend.sf.net project */
-static __init int reset_videomode_after_s3(struct dmi_system_id *d)
-{
- acpi_realmode_flags |= 2;
- return 0;
-}
-
-static __initdata struct dmi_system_id acpisleep_dmi_table[] = {
- { /* Reset video mode after returning from ACPI S3 sleep */
- .callback = reset_videomode_after_s3,
- .ident = "Toshiba Satellite 4030cdt",
- .matches = {
- DMI_MATCH(DMI_PRODUCT_NAME, "S4030CDT/4.3"),
- },
- },
- {}
-};
-
-static int __init acpisleep_dmi_init(void)
-{
- dmi_check_system(acpisleep_dmi_table);
- return 0;
-}
-
-core_initcall(acpisleep_dmi_init);
diff --git a/arch/i386/kernel/acpi/wakeup_32.S b/arch/i386/kernel/acpi/wakeup_32.S
deleted file mode 100644
index f22ba85..0000000
--- a/arch/i386/kernel/acpi/wakeup_32.S
+++ /dev/null
@@ -1,321 +0,0 @@
-.text
-#include <linux/linkage.h>
-#include <asm/segment.h>
-#include <asm/page.h>
-
-#
-# wakeup_code runs in real mode, and at unknown address (determined at run-time).
-# Therefore it must only use relative jumps/calls.
-#
-# Do we need to deal with A20? It is okay: ACPI specs says A20 must be enabled
-#
-# If physical address of wakeup_code is 0x12345, BIOS should call us with
-# cs = 0x1234, eip = 0x05
-#
-
-#define BEEP \
- inb $97, %al; \
- outb %al, $0x80; \
- movb $3, %al; \
- outb %al, $97; \
- outb %al, $0x80; \
- movb $-74, %al; \
- outb %al, $67; \
- outb %al, $0x80; \
- movb $-119, %al; \
- outb %al, $66; \
- outb %al, $0x80; \
- movb $15, %al; \
- outb %al, $66;
-
-ALIGN
- .align 4096
-ENTRY(wakeup_start)
-wakeup_code:
- wakeup_code_start = .
- .code16
-
- movw $0xb800, %ax
- movw %ax,%fs
- movw $0x0e00 + 'L', %fs:(0x10)
-
- cli
- cld
-
- # setup data segment
- movw %cs, %ax
- movw %ax, %ds # Make ds:0 point to wakeup_start
- movw %ax, %ss
-
- testl $4, realmode_flags - wakeup_code
- jz 1f
- BEEP
-1:
- mov $(wakeup_stack - wakeup_code), %sp # Private stack is needed for ASUS board
- movw $0x0e00 + 'S', %fs:(0x12)
-
- pushl $0 # Kill any dangerous flags
- popfl
-
- movl real_magic - wakeup_code, %eax
- cmpl $0x12345678, %eax
- jne bogus_real_magic
-
- testl $1, realmode_flags - wakeup_code
- jz 1f
- lcall $0xc000,$3
- movw %cs, %ax
- movw %ax, %ds # Bios might have played with that
- movw %ax, %ss
-1:
-
- testl $2, realmode_flags - wakeup_code
- jz 1f
- mov video_mode - wakeup_code, %ax
- call mode_set
-1:
-
- # set up page table
- movl $swsusp_pg_dir-__PAGE_OFFSET, %eax
- movl %eax, %cr3
-
- testl $1, real_efer_save_restore - wakeup_code
- jz 4f
- # restore efer setting
- movl real_save_efer_edx - wakeup_code, %edx
- movl real_save_efer_eax - wakeup_code, %eax
- mov $0xc0000080, %ecx
- wrmsr
-4:
- # make sure %cr4 is set correctly (features, etc)
- movl real_save_cr4 - wakeup_code, %eax
- movl %eax, %cr4
- movw $0xb800, %ax
- movw %ax,%fs
- movw $0x0e00 + 'i', %fs:(0x12)
-
- # need a gdt -- use lgdtl to force 32-bit operands, in case
- # the GDT is located past 16 megabytes.
- lgdtl real_save_gdt - wakeup_code
-
- movl real_save_cr0 - wakeup_code, %eax
- movl %eax, %cr0
- jmp 1f
-1:
- movw $0x0e00 + 'n', %fs:(0x14)
-
- movl real_magic - wakeup_code, %eax
- cmpl $0x12345678, %eax
- jne bogus_real_magic
-
- testl $8, realmode_flags - wakeup_code
- jz 1f
- BEEP
-1:
- ljmpl $__KERNEL_CS, $wakeup_pmode_return
-
-real_save_gdt: .word 0
- .long 0
-real_save_cr0: .long 0
-real_save_cr3: .long 0
-real_save_cr4: .long 0
-real_magic: .long 0
-video_mode: .long 0
-realmode_flags: .long 0
-beep_flags: .long 0
-real_efer_save_restore: .long 0
-real_save_efer_edx: .long 0
-real_save_efer_eax: .long 0
-
-bogus_real_magic:
- movw $0x0e00 + 'B', %fs:(0x12)
- jmp bogus_real_magic
-
-/* This code uses an extended set of video mode numbers. These include:
- * Aliases for standard modes
- * NORMAL_VGA (-1)
- * EXTENDED_VGA (-2)
- * ASK_VGA (-3)
- * Video modes numbered by menu position -- NOT RECOMMENDED because of lack
- * of compatibility when extending the table. These are between 0x00 and 0xff.
- */
-#define VIDEO_FIRST_MENU 0x0000
-
-/* Standard BIOS video modes (BIOS number + 0x0100) */
-#define VIDEO_FIRST_BIOS 0x0100
-
-/* VESA BIOS video modes (VESA number + 0x0200) */
-#define VIDEO_FIRST_VESA 0x0200
-
-/* Video7 special modes (BIOS number + 0x0900) */
-#define VIDEO_FIRST_V7 0x0900
-
-# Setting of user mode (AX=mode ID) => CF=success
-
-# For now, we only handle VESA modes (0x0200..0x03ff). To handle other
-# modes, we should probably compile in the video code from the boot
-# directory.
-mode_set:
- movw %ax, %bx
- subb $VIDEO_FIRST_VESA>>8, %bh
- cmpb $2, %bh
- jb check_vesa
-
-setbad:
- clc
- ret
-
-check_vesa:
- orw $0x4000, %bx # Use linear frame buffer
- movw $0x4f02, %ax # VESA BIOS mode set call
- int $0x10
- cmpw $0x004f, %ax # AL=4f if implemented
- jnz setbad # AH=0 if OK
-
- stc
- ret
-
- .code32
- ALIGN
-
-.org 0x800
-wakeup_stack_begin: # Stack grows down
-
-.org 0xff0 # Just below end of page
-wakeup_stack:
-ENTRY(wakeup_end)
-
-.org 0x1000
-
-wakeup_pmode_return:
- movw $__KERNEL_DS, %ax
- movw %ax, %ss
- movw %ax, %ds
- movw %ax, %es
- movw %ax, %fs
- movw %ax, %gs
- movw $0x0e00 + 'u', 0xb8016
-
- # reload the gdt, as we need the full 32 bit address
- lgdt saved_gdt
- lidt saved_idt
- lldt saved_ldt
- ljmp $(__KERNEL_CS),$1f
-1:
- movl %cr3, %eax
- movl %eax, %cr3
- wbinvd
-
- # and restore the stack ... but you need gdt for this to work
- movl saved_context_esp, %esp
-
- movl %cs:saved_magic, %eax
- cmpl $0x12345678, %eax
- jne bogus_magic
-
- # jump to place where we left off
- movl saved_eip,%eax
- jmp *%eax
-
-bogus_magic:
- movw $0x0e00 + 'B', 0xb8018
- jmp bogus_magic
-
-
-##
-# acpi_copy_wakeup_routine
-#
-# Copy the above routine to low memory.
-#
-# Parameters:
-# %eax: place to copy wakeup routine to
-#
-# Returned address is location of code in low memory (past data and stack)
-#
-ENTRY(acpi_copy_wakeup_routine)
-
- pushl %ebx
- sgdt saved_gdt
- sidt saved_idt
- sldt saved_ldt
- str saved_tss
-
- movl nx_enabled, %edx
- movl %edx, real_efer_save_restore - wakeup_start (%eax)
- testl $1, real_efer_save_restore - wakeup_start (%eax)
- jz 2f
- # save efer setting
- pushl %eax
- movl %eax, %ebx
- mov $0xc0000080, %ecx
- rdmsr
- movl %edx, real_save_efer_edx - wakeup_start (%ebx)
- movl %eax, real_save_efer_eax - wakeup_start (%ebx)
- popl %eax
-2:
-
- movl %cr3, %edx
- movl %edx, real_save_cr3 - wakeup_start (%eax)
- movl %cr4, %edx
- movl %edx, real_save_cr4 - wakeup_start (%eax)
- movl %cr0, %edx
- movl %edx, real_save_cr0 - wakeup_start (%eax)
- sgdt real_save_gdt - wakeup_start (%eax)
-
- movl saved_videomode, %edx
- movl %edx, video_mode - wakeup_start (%eax)
- movl acpi_realmode_flags, %edx
- movl %edx, realmode_flags - wakeup_start (%eax)
- movl $0x12345678, real_magic - wakeup_start (%eax)
- movl $0x12345678, saved_magic
- popl %ebx
- ret
-
-save_registers:
- leal 4(%esp), %eax
- movl %eax, saved_context_esp
- movl %ebx, saved_context_ebx
- movl %ebp, saved_context_ebp
- movl %esi, saved_context_esi
- movl %edi, saved_context_edi
- pushfl ; popl saved_context_eflags
-
- movl $ret_point, saved_eip
- ret
-
-
-restore_registers:
- movl saved_context_ebp, %ebp
- movl saved_context_ebx, %ebx
- movl saved_context_esi, %esi
- movl saved_context_edi, %edi
- pushl saved_context_eflags ; popfl
- ret
-
-ENTRY(do_suspend_lowlevel)
- call save_processor_state
- call save_registers
- pushl $3
- call acpi_enter_sleep_state
- addl $4, %esp
-
-# In case of S3 failure, we'll emerge here. Jump
-# to ret_point to recover
- jmp ret_point
- .p2align 4,,7
-ret_point:
- call restore_registers
- call restore_processor_state
- ret
-
-.data
-ALIGN
-ENTRY(saved_magic) .long 0
-ENTRY(saved_eip) .long 0
-
-# saved registers
-saved_gdt: .long 0,0
-saved_idt: .long 0,0
-saved_ldt: .long 0
-saved_tss: .long 0
-
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