i386: move kernel/acpi

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

1 files changed, 0 insertions, 1326 deletions

diff --git a/arch/i386/kernel/acpi/boot.c b/arch/i386/kernel/acpi/boot.c
deleted file mode 100644
index cacdd883bf2b..000000000000
--- 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;
-}