diff options
Diffstat (limited to 'arch/x86/kernel/acpi/boot.c')
| -rw-r--r-- | arch/x86/kernel/acpi/boot.c | 1081 |
1 files changed, 444 insertions, 637 deletions
diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c index bfd10fd211c..86281ffb96d 100644 --- a/arch/x86/kernel/acpi/boot.c +++ b/arch/x86/kernel/acpi/boot.c @@ -31,63 +31,44 @@ #include <linux/module.h> #include <linux/dmi.h> #include <linux/irq.h> +#include <linux/slab.h> #include <linux/bootmem.h> #include <linux/ioport.h> +#include <linux/pci.h> +#include <asm/pci_x86.h> #include <asm/pgtable.h> #include <asm/io_apic.h> #include <asm/apic.h> -#include <asm/genapic.h> #include <asm/io.h> #include <asm/mpspec.h> #include <asm/smp.h> -#ifdef CONFIG_X86_LOCAL_APIC -# include <mach_apic.h> -#endif - +#include "sleep.h" /* To include x86_acpi_suspend_lowlevel */ static int __initdata acpi_force = 0; - -#ifdef CONFIG_ACPI -int acpi_disabled = 0; -#else -int acpi_disabled = 1; -#endif +int acpi_disabled; EXPORT_SYMBOL(acpi_disabled); #ifdef CONFIG_X86_64 - -#include <asm/proto.h> -#include <asm/genapic.h> - -#else /* X86 */ - -#ifdef CONFIG_X86_LOCAL_APIC -#include <mach_apic.h> -#include <mach_mpparse.h> -#endif /* CONFIG_X86_LOCAL_APIC */ - +# include <asm/proto.h> #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; /* skip ACPI PCI scan and IRQ initialization */ EXPORT_SYMBOL(acpi_pci_disabled); -int acpi_ht __initdata = 1; /* enable HT */ int acpi_lapic; int acpi_ioapic; int acpi_strict; +int acpi_disable_cmcff; u8 acpi_sci_flags __initdata; int acpi_sci_override_gsi __initdata; int acpi_skip_timer_override __initdata; int acpi_use_timer_override __initdata; +int acpi_fix_pin2_polarity __initdata; #ifdef CONFIG_X86_LOCAL_APIC static u64 acpi_lapic_addr __initdata = APIC_DEFAULT_PHYS_BASE; @@ -97,8 +78,6 @@ static u64 acpi_lapic_addr __initdata = APIC_DEFAULT_PHYS_BASE; #warning ACPI uses CMPXCHG, i486 and later hardware #endif -static int acpi_mcfg_64bit_base_addr __initdata = FALSE; - /* -------------------------------------------------------------------------- Boot-time Configuration -------------------------------------------------------------------------- */ @@ -111,112 +90,72 @@ enum acpi_irq_model_id acpi_irq_model = ACPI_IRQ_MODEL_PIC; /* - * 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. + * ISA irqs by default are the first 16 gsis but can be + * any gsi as specified by an interrupt source override. */ -char *__init __acpi_map_table(unsigned long phys, unsigned long size) -{ - unsigned long base, offset, mapped_size; - int idx; - - if (!phys || !size) - return NULL; +static u32 isa_irq_to_gsi[NR_IRQS_LEGACY] __read_mostly = { + 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 +}; - if (phys+size <= (max_low_pfn_mapped << PAGE_SHIFT)) - return __va(phys); +static unsigned int gsi_to_irq(unsigned int gsi) +{ + unsigned int irq = gsi + NR_IRQS_LEGACY; + unsigned int i; - offset = phys & (PAGE_SIZE - 1); - mapped_size = PAGE_SIZE - offset; - clear_fixmap(FIX_ACPI_END); - set_fixmap(FIX_ACPI_END, phys); - base = fix_to_virt(FIX_ACPI_END); + for (i = 0; i < NR_IRQS_LEGACY; i++) { + if (isa_irq_to_gsi[i] == gsi) { + return i; + } + } - /* - * Most cases can be covered by the below. + /* Provide an identity mapping of gsi == irq + * except on truly weird platforms that have + * non isa irqs in the first 16 gsis. */ - idx = FIX_ACPI_END; - while (mapped_size < size) { - if (--idx < FIX_ACPI_BEGIN) - return NULL; /* cannot handle this */ - phys += PAGE_SIZE; - clear_fixmap(idx); - set_fixmap(idx, phys); - mapped_size += PAGE_SIZE; - } + if (gsi >= NR_IRQS_LEGACY) + irq = gsi; + else + irq = gsi_top + gsi; - return ((unsigned char *)base + offset); + return irq; } -#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; - -static int __init acpi_mcfg_oem_check(struct acpi_table_mcfg *mcfg) +static u32 irq_to_gsi(int irq) { - if (!strcmp(mcfg->header.oem_id, "SGI")) - acpi_mcfg_64bit_base_addr = TRUE; + unsigned int gsi; + + if (irq < NR_IRQS_LEGACY) + gsi = isa_irq_to_gsi[irq]; + else if (irq < gsi_top) + gsi = irq; + else if (irq < (gsi_top + NR_IRQS_LEGACY)) + gsi = irq - gsi_top; + else + gsi = 0xffffffff; - return 0; + return gsi; } -int __init acpi_parse_mcfg(struct acpi_table_header *header) +/* + * This is just a simple wrapper around early_ioremap(), + * with sanity checks for phys == 0 and size == 0. + */ +char *__init __acpi_map_table(unsigned long phys, unsigned long size) { - 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); + if (!phys || !size) + return NULL; - acpi_mcfg_oem_check(mcfg); + return early_ioremap(phys, size); +} - for (i = 0; i < pci_mmcfg_config_num; ++i) { - if ((pci_mmcfg_config[i].address > 0xFFFFFFFF) && - !acpi_mcfg_64bit_base_addr) { - printk(KERN_ERR PREFIX - "MMCONFIG not in low 4GB of memory\n"); - kfree(pci_mmcfg_config); - pci_mmcfg_config_num = 0; - return -ENODEV; - } - } +void __init __acpi_unmap_table(char *map, unsigned long size) +{ + if (!map || !size) + return; - return 0; + early_iounmap(map, size); } -#endif /* CONFIG_PCI_MMCONFIG */ #ifdef CONFIG_X86_LOCAL_APIC static int __init acpi_parse_madt(struct acpi_table_header *table) @@ -239,26 +178,72 @@ static int __init acpi_parse_madt(struct acpi_table_header *table) madt->address); } - acpi_madt_oem_check(madt->header.oem_id, madt->header.oem_table_id); + default_acpi_madt_oem_check(madt->header.oem_id, + madt->header.oem_table_id); return 0; } -static void __cpuinit acpi_register_lapic(int id, u8 enabled) +/** + * acpi_register_lapic - register a local apic and generates a logic cpu number + * @id: local apic id to register + * @enabled: this cpu is enabled or not + * + * Returns the logic cpu number which maps to the local apic + */ +static int acpi_register_lapic(int id, u8 enabled) { unsigned int ver = 0; + if (id >= MAX_LOCAL_APIC) { + printk(KERN_INFO PREFIX "skipped apicid that is too big\n"); + return -EINVAL; + } + if (!enabled) { ++disabled_cpus; - return; + return -EINVAL; } -#ifdef CONFIG_X86_32 if (boot_cpu_physical_apicid != -1U) ver = apic_version[boot_cpu_physical_apicid]; + + return generic_processor_info(id, ver); +} + +static int __init +acpi_parse_x2apic(struct acpi_subtable_header *header, const unsigned long end) +{ + struct acpi_madt_local_x2apic *processor = NULL; + int apic_id; + u8 enabled; + + processor = (struct acpi_madt_local_x2apic *)header; + + if (BAD_MADT_ENTRY(processor, end)) + return -EINVAL; + + acpi_table_print_madt_entry(header); + + apic_id = processor->local_apic_id; + enabled = processor->lapic_flags & ACPI_MADT_ENABLED; +#ifdef CONFIG_X86_X2APIC + /* + * 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. + */ + if (!apic->apic_id_valid(apic_id) && enabled) + printk(KERN_WARNING PREFIX "x2apic entry ignored\n"); + else + acpi_register_lapic(apic_id, enabled); +#else + printk(KERN_WARNING PREFIX "x2apic entry ignored\n"); #endif - generic_processor_info(id, ver); + return 0; } static int __init @@ -321,6 +306,25 @@ acpi_parse_lapic_addr_ovr(struct acpi_subtable_header * header, } static int __init +acpi_parse_x2apic_nmi(struct acpi_subtable_header *header, + const unsigned long end) +{ + struct acpi_madt_local_x2apic_nmi *x2apic_nmi = NULL; + + x2apic_nmi = (struct acpi_madt_local_x2apic_nmi *)header; + + if (BAD_MADT_ENTRY(x2apic_nmi, end)) + return -EINVAL; + + acpi_table_print_madt_entry(header); + + if (x2apic_nmi->lint != 1) + printk(KERN_WARNING PREFIX "NMI not connected to LINT 1!\n"); + + 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; @@ -363,7 +367,7 @@ acpi_parse_ioapic(struct acpi_subtable_header * header, const unsigned long end) /* * Parse Interrupt Source Override for the ACPI SCI */ -static void __init acpi_sci_ioapic_setup(u32 gsi, u16 polarity, u16 trigger) +static void __init acpi_sci_ioapic_setup(u8 bus_irq, u16 polarity, u16 trigger, u32 gsi) { if (trigger == 0) /* compatible SCI trigger is level */ trigger = 3; @@ -383,7 +387,7 @@ static void __init acpi_sci_ioapic_setup(u32 gsi, u16 polarity, u16 trigger) * 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); + mp_override_legacy_irq(bus_irq, polarity, trigger, gsi); /* * stash over-ride to indicate we've been here @@ -407,16 +411,24 @@ acpi_parse_int_src_ovr(struct acpi_subtable_header * header, acpi_table_print_madt_entry(header); if (intsrc->source_irq == acpi_gbl_FADT.sci_interrupt) { - acpi_sci_ioapic_setup(intsrc->global_irq, + acpi_sci_ioapic_setup(intsrc->source_irq, intsrc->inti_flags & ACPI_MADT_POLARITY_MASK, - (intsrc->inti_flags & ACPI_MADT_TRIGGER_MASK) >> 2); + (intsrc->inti_flags & ACPI_MADT_TRIGGER_MASK) >> 2, + intsrc->global_irq); 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; + if (intsrc->source_irq == 0) { + if (acpi_skip_timer_override) { + printk(PREFIX "BIOS IRQ0 override ignored.\n"); + return 0; + } + + if ((intsrc->global_irq == 2) && acpi_fix_pin2_polarity + && (intsrc->inti_flags & ACPI_MADT_POLARITY_MASK)) { + intsrc->inti_flags &= ~ACPI_MADT_POLARITY_MASK; + printk(PREFIX "BIOS IRQ0 pin2 override: forcing polarity to high active.\n"); + } } mp_override_legacy_irq(intsrc->source_irq, @@ -498,109 +510,144 @@ void __init acpi_pic_sci_set_trigger(unsigned int irq, u16 trigger) int acpi_gsi_to_irq(u32 gsi, unsigned int *irq) { - *irq = gsi; + *irq = gsi_to_irq(gsi); + +#ifdef CONFIG_X86_IO_APIC + if (acpi_irq_model == ACPI_IRQ_MODEL_IOAPIC) + setup_IO_APIC_irq_extra(gsi); +#endif + return 0; } +EXPORT_SYMBOL_GPL(acpi_gsi_to_irq); -/* - * success: return IRQ number (>=0) - * failure: return < 0 - */ -int acpi_register_gsi(u32 gsi, int triggering, int polarity) +int acpi_isa_irq_to_gsi(unsigned isa_irq, u32 *gsi) { - unsigned int irq; - unsigned int plat_gsi = gsi; + if (isa_irq >= 16) + return -1; + *gsi = irq_to_gsi(isa_irq); + return 0; +} +static int acpi_register_gsi_pic(struct device *dev, u32 gsi, + int trigger, int polarity) +{ #ifdef CONFIG_PCI /* * Make sure all (legacy) PCI IRQs are set as level-triggered. */ - if (acpi_irq_model == ACPI_IRQ_MODEL_PIC) { - if (triggering == ACPI_LEVEL_SENSITIVE) - eisa_set_level_irq(gsi); - } + if (trigger == ACPI_LEVEL_SENSITIVE) + eisa_set_level_irq(gsi); #endif + return gsi; +} + +static int acpi_register_gsi_ioapic(struct device *dev, u32 gsi, + int trigger, int polarity) +{ #ifdef CONFIG_X86_IO_APIC - if (acpi_irq_model == ACPI_IRQ_MODEL_IOAPIC) { - plat_gsi = mp_register_gsi(gsi, triggering, polarity); - } + gsi = mp_register_gsi(dev, gsi, trigger, polarity); #endif - acpi_gsi_to_irq(plat_gsi, &irq); - return irq; + + return gsi; } +int (*__acpi_register_gsi)(struct device *dev, u32 gsi, + int trigger, int polarity) = acpi_register_gsi_pic; + +#ifdef CONFIG_ACPI_SLEEP +int (*acpi_suspend_lowlevel)(void) = x86_acpi_suspend_lowlevel; +#else +int (*acpi_suspend_lowlevel)(void); +#endif + /* - * ACPI based hotplug support for CPU + * success: return IRQ number (>=0) + * failure: return < 0 */ -#ifdef CONFIG_ACPI_HOTPLUG_CPU - -static int __cpuinit _acpi_map_lsapic(acpi_handle handle, int *pcpu) +int acpi_register_gsi(struct device *dev, u32 gsi, int trigger, int polarity) { - 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; + unsigned int irq; + unsigned int plat_gsi = gsi; - if (ACPI_FAILURE(acpi_evaluate_object(handle, "_MAT", NULL, &buffer))) - return -EINVAL; + plat_gsi = (*__acpi_register_gsi)(dev, gsi, trigger, polarity); + irq = gsi_to_irq(plat_gsi); - if (!buffer.length || !buffer.pointer) - return -EINVAL; + return irq; +} +EXPORT_SYMBOL_GPL(acpi_register_gsi); - obj = buffer.pointer; - if (obj->type != ACPI_TYPE_BUFFER || - obj->buffer.length < sizeof(*lapic)) { - kfree(buffer.pointer); - return -EINVAL; - } +void acpi_unregister_gsi(u32 gsi) +{ +} +EXPORT_SYMBOL_GPL(acpi_unregister_gsi); - lapic = (struct acpi_madt_local_apic *)obj->buffer.pointer; +void __init acpi_set_irq_model_pic(void) +{ + acpi_irq_model = ACPI_IRQ_MODEL_PIC; + __acpi_register_gsi = acpi_register_gsi_pic; + acpi_ioapic = 0; +} - if (lapic->header.type != ACPI_MADT_TYPE_LOCAL_APIC || - !(lapic->lapic_flags & ACPI_MADT_ENABLED)) { - kfree(buffer.pointer); - return -EINVAL; - } +void __init acpi_set_irq_model_ioapic(void) +{ + acpi_irq_model = ACPI_IRQ_MODEL_IOAPIC; + __acpi_register_gsi = acpi_register_gsi_ioapic; + acpi_ioapic = 1; +} - physid = lapic->id; +/* + * ACPI based hotplug support for CPU + */ +#ifdef CONFIG_ACPI_HOTPLUG_CPU +#include <acpi/processor.h> - kfree(buffer.pointer); - buffer.length = ACPI_ALLOCATE_BUFFER; - buffer.pointer = NULL; +static void acpi_map_cpu2node(acpi_handle handle, int cpu, int physid) +{ +#ifdef CONFIG_ACPI_NUMA + int nid; + + nid = acpi_get_node(handle); + if (nid != -1) { + set_apicid_to_node(physid, nid); + numa_set_node(cpu, nid); + } +#endif +} - tmp_map = cpu_present_map; - acpi_register_lapic(physid, lapic->lapic_flags & ACPI_MADT_ENABLED); +static int _acpi_map_lsapic(acpi_handle handle, int physid, int *pcpu) +{ + int cpu; - /* - * 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 = acpi_register_lapic(physid, ACPI_MADT_ENABLED); + if (cpu < 0) { + pr_info(PREFIX "Unable to map lapic to logical cpu number\n"); + return cpu; } - cpu = first_cpu(new_map); + acpi_processor_set_pdc(handle); + acpi_map_cpu2node(handle, cpu, physid); *pcpu = cpu; return 0; } /* wrapper to silence section mismatch warning */ -int __ref acpi_map_lsapic(acpi_handle handle, int *pcpu) +int __ref acpi_map_lsapic(acpi_handle handle, int physid, int *pcpu) { - return _acpi_map_lsapic(handle, pcpu); + return _acpi_map_lsapic(handle, physid, pcpu); } EXPORT_SYMBOL(acpi_map_lsapic); int acpi_unmap_lsapic(int cpu) { +#ifdef CONFIG_ACPI_NUMA + set_apicid_to_node(per_cpu(x86_cpu_to_apicid, cpu), NUMA_NO_NODE); +#endif + per_cpu(x86_cpu_to_apicid, cpu) = -1; - cpu_clear(cpu, cpu_present_map); + set_cpu_present(cpu, false); num_processors--; return (0); @@ -643,7 +690,7 @@ static int __init acpi_parse_sbf(struct acpi_table_header *table) #ifdef CONFIG_HPET_TIMER #include <asm/hpet.h> -static struct __initdata resource *hpet_res; +static struct resource *hpet_res __initdata; static int __init acpi_parse_hpet(struct acpi_table_header *table) { @@ -662,6 +709,7 @@ static int __init acpi_parse_hpet(struct acpi_table_header *table) } hpet_address = hpet_tbl->address.address; + hpet_blockid = hpet_tbl->sequence; /* * Some broken BIOSes advertise HPET at 0x0. We really do not @@ -769,20 +817,6 @@ static int __init acpi_parse_fadt(struct acpi_table_header *table) * returns 0 on success, < 0 on error */ -static void __init acpi_register_lapic_address(unsigned long address) -{ - mp_lapic_addr = address; - - set_fixmap_nocache(FIX_APIC_BASE, address); - if (boot_cpu_physical_apicid == -1U) { - boot_cpu_physical_apicid = GET_APIC_ID(read_apic_id()); -#ifdef CONFIG_X86_32 - apic_version[boot_cpu_physical_apicid] = - GET_APIC_VERSION(apic_read(APIC_LVR)); -#endif - } -} - static int __init early_acpi_parse_madt_lapic_addr_ovr(void) { int count; @@ -804,7 +838,7 @@ static int __init early_acpi_parse_madt_lapic_addr_ovr(void) return count; } - acpi_register_lapic_address(acpi_lapic_addr); + register_lapic_address(acpi_lapic_addr); return count; } @@ -812,6 +846,7 @@ static int __init early_acpi_parse_madt_lapic_addr_ovr(void) static int __init acpi_parse_madt_lapic_entries(void) { int count; + int x2count = 0; if (!cpu_has_apic) return -ENODEV; @@ -830,27 +865,33 @@ static int __init acpi_parse_madt_lapic_entries(void) return count; } - acpi_register_lapic_address(acpi_lapic_addr); + register_lapic_address(acpi_lapic_addr); count = acpi_table_parse_madt(ACPI_MADT_TYPE_LOCAL_SAPIC, - acpi_parse_sapic, MAX_APICS); + acpi_parse_sapic, MAX_LOCAL_APIC); - if (!count) - count = acpi_table_parse_madt(ACPI_MADT_TYPE_LOCAL_APIC, - acpi_parse_lapic, MAX_APICS); if (!count) { + x2count = acpi_table_parse_madt(ACPI_MADT_TYPE_LOCAL_X2APIC, + acpi_parse_x2apic, MAX_LOCAL_APIC); + count = acpi_table_parse_madt(ACPI_MADT_TYPE_LOCAL_APIC, + acpi_parse_lapic, MAX_LOCAL_APIC); + } + if (!count && !x2count) { printk(KERN_ERR PREFIX "No LAPIC entries present\n"); /* TBD: Cleanup to allow fallback to MPS */ return -ENODEV; - } else if (count < 0) { + } else if (count < 0 || x2count < 0) { printk(KERN_ERR PREFIX "Error parsing LAPIC entry\n"); /* TBD: Cleanup to allow fallback to MPS */ return count; } + x2count = + acpi_table_parse_madt(ACPI_MADT_TYPE_LOCAL_X2APIC_NMI, + acpi_parse_x2apic_nmi, 0); count = acpi_table_parse_madt(ACPI_MADT_TYPE_LOCAL_APIC_NMI, acpi_parse_lapic_nmi, 0); - if (count < 0) { + if (count < 0 || x2count < 0) { printk(KERN_ERR PREFIX "Error parsing LAPIC NMI entry\n"); /* TBD: Cleanup to allow fallback to MPS */ return count; @@ -862,137 +903,11 @@ static int __init acpi_parse_madt_lapic_entries(void) #ifdef CONFIG_X86_IO_APIC #define MP_ISA_BUS 0 -#ifdef CONFIG_X86_ES7000 -extern int es7000_plat; -#endif - -static struct { - int apic_id; - int gsi_base; - int gsi_end; - DECLARE_BITMAP(pin_programmed, MP_MAX_IOAPIC_PIN + 1); -} mp_ioapic_routing[MAX_IO_APICS]; - -static int mp_find_ioapic(int gsi) -{ - int i = 0; - - /* Find the IOAPIC that manages this GSI. */ - for (i = 0; i < nr_ioapics; i++) { - if ((gsi >= mp_ioapic_routing[i].gsi_base) - && (gsi <= mp_ioapic_routing[i].gsi_end)) - return i; - } - - printk(KERN_ERR "ERROR: Unable to locate IOAPIC for GSI %d\n", gsi); - return -1; -} - -static u8 __init uniq_ioapic_id(u8 id) -{ -#ifdef CONFIG_X86_32 - if ((boot_cpu_data.x86_vendor == X86_VENDOR_INTEL) && - !APIC_XAPIC(apic_version[boot_cpu_physical_apicid])) - return io_apic_get_unique_id(nr_ioapics, id); - else - return id; -#else - int i; - DECLARE_BITMAP(used, 256); - bitmap_zero(used, 256); - for (i = 0; i < nr_ioapics; i++) { - struct mp_config_ioapic *ia = &mp_ioapics[i]; - __set_bit(ia->mp_apicid, used); - } - if (!test_bit(id, used)) - return id; - return find_first_zero_bit(used, 256); -#endif -} - -static int bad_ioapic(unsigned long address) -{ - if (nr_ioapics >= MAX_IO_APICS) { - printk(KERN_ERR "ERROR: Max # of I/O APICs (%d) exceeded " - "(found %d)\n", MAX_IO_APICS, nr_ioapics); - panic("Recompile kernel with bigger MAX_IO_APICS!\n"); - } - if (!address) { - printk(KERN_ERR "WARNING: Bogus (zero) I/O APIC address" - " found in table, skipping!\n"); - return 1; - } - return 0; -} - -void __init mp_register_ioapic(int id, u32 address, u32 gsi_base) -{ - int idx = 0; - - if (bad_ioapic(address)) - return; - - idx = nr_ioapics; - - mp_ioapics[idx].mp_type = MP_IOAPIC; - mp_ioapics[idx].mp_flags = MPC_APIC_USABLE; - mp_ioapics[idx].mp_apicaddr = address; - - set_fixmap_nocache(FIX_IO_APIC_BASE_0 + idx, address); - mp_ioapics[idx].mp_apicid = uniq_ioapic_id(id); -#ifdef CONFIG_X86_32 - mp_ioapics[idx].mp_apicver = io_apic_get_version(idx); -#else - mp_ioapics[idx].mp_apicver = 0; -#endif - /* - * Build basic GSI lookup table to facilitate gsi->io_apic lookups - * and to prevent reprogramming of IOAPIC pins (PCI GSIs). - */ - mp_ioapic_routing[idx].apic_id = mp_ioapics[idx].mp_apicid; - mp_ioapic_routing[idx].gsi_base = gsi_base; - mp_ioapic_routing[idx].gsi_end = gsi_base + - io_apic_get_redir_entries(idx); - - printk(KERN_INFO "IOAPIC[%d]: apic_id %d, version %d, address 0x%lx, " - "GSI %d-%d\n", idx, mp_ioapics[idx].mp_apicid, - mp_ioapics[idx].mp_apicver, mp_ioapics[idx].mp_apicaddr, - mp_ioapic_routing[idx].gsi_base, mp_ioapic_routing[idx].gsi_end); - - nr_ioapics++; -} - -static void assign_to_mp_irq(struct mp_config_intsrc *m, - struct mp_config_intsrc *mp_irq) -{ - memcpy(mp_irq, m, sizeof(struct mp_config_intsrc)); -} - -static int mp_irq_cmp(struct mp_config_intsrc *mp_irq, - struct mp_config_intsrc *m) -{ - return memcmp(mp_irq, m, sizeof(struct mp_config_intsrc)); -} - -static void save_mp_irq(struct mp_config_intsrc *m) -{ - int i; - - for (i = 0; i < mp_irq_entries; i++) { - if (!mp_irq_cmp(&mp_irqs[i], m)) - return; - } - - assign_to_mp_irq(m, &mp_irqs[mp_irq_entries]); - if (++mp_irq_entries == MAX_IRQ_SOURCES) - panic("Max # of irq sources exceeded!!\n"); -} - void __init mp_override_legacy_irq(u8 bus_irq, u8 polarity, u8 trigger, u32 gsi) { int ioapic; int pin; - struct mp_config_intsrc mp_irq; + struct mpc_intsrc mp_irq; /* * Convert 'gsi' to 'ioapic.pin'. @@ -1000,7 +915,7 @@ void __init mp_override_legacy_irq(u8 bus_irq, u8 polarity, u8 trigger, u32 gsi) ioapic = mp_find_ioapic(gsi); if (ioapic < 0) return; - pin = gsi - mp_ioapic_routing[ioapic].gsi_base; + pin = mp_find_ioapic_pin(ioapic, gsi); /* * TBD: This check is for faulty timer entries, where the override @@ -1010,25 +925,25 @@ void __init mp_override_legacy_irq(u8 bus_irq, u8 polarity, u8 trigger, u32 gsi) if ((bus_irq == 0) && (trigger == 3)) trigger = 1; - mp_irq.mp_type = MP_INTSRC; - mp_irq.mp_irqtype = mp_INT; - mp_irq.mp_irqflag = (trigger << 2) | polarity; - mp_irq.mp_srcbus = MP_ISA_BUS; - mp_irq.mp_srcbusirq = bus_irq; /* IRQ */ - mp_irq.mp_dstapic = mp_ioapics[ioapic].mp_apicid; /* APIC ID */ - mp_irq.mp_dstirq = pin; /* INTIN# */ + mp_irq.type = MP_INTSRC; + mp_irq.irqtype = mp_INT; + mp_irq.irqflag = (trigger << 2) | polarity; + mp_irq.srcbus = MP_ISA_BUS; + mp_irq.srcbusirq = bus_irq; /* IRQ */ + mp_irq.dstapic = mpc_ioapic_id(ioapic); /* APIC ID */ + mp_irq.dstirq = pin; /* INTIN# */ + + mp_save_irq(&mp_irq); - save_mp_irq(&mp_irq); + isa_irq_to_gsi[bus_irq] = gsi; } void __init mp_config_acpi_legacy_irqs(void) { int i; - int ioapic; - unsigned int dstapic; - struct mp_config_intsrc mp_irq; + struct mpc_intsrc mp_irq; -#if defined (CONFIG_MCA) || defined (CONFIG_EISA) +#ifdef CONFIG_EISA /* * Fabricate the legacy ISA bus (bus #31). */ @@ -1037,40 +952,38 @@ void __init mp_config_acpi_legacy_irqs(void) set_bit(MP_ISA_BUS, mp_bus_not_pci); pr_debug("Bus #%d is ISA\n", MP_ISA_BUS); -#ifdef CONFIG_X86_ES7000 - /* - * Older generations of ES7000 have no legacy identity mappings - */ - if (es7000_plat == 1) - return; -#endif - - /* - * Locate the IOAPIC that manages the ISA IRQs (0-15). - */ - ioapic = mp_find_ioapic(0); - if (ioapic < 0) - return; - dstapic = mp_ioapics[ioapic].mp_apicid; - /* * Use the default configuration for the IRQs 0-15. Unless * overridden by (MADT) interrupt source override entries. */ for (i = 0; i < 16; i++) { + int ioapic, pin; + unsigned int dstapic; int idx; + u32 gsi; + + /* Locate the gsi that irq i maps to. */ + if (acpi_isa_irq_to_gsi(i, &gsi)) + continue; + + /* + * Locate the IOAPIC that manages the ISA IRQ. + */ + ioapic = mp_find_ioapic(gsi); + if (ioapic < 0) + continue; + pin = mp_find_ioapic_pin(ioapic, gsi); + dstapic = mpc_ioapic_id(ioapic); for (idx = 0; idx < mp_irq_entries; idx++) { - struct mp_config_intsrc *irq = mp_irqs + idx; + struct mpc_intsrc *irq = mp_irqs + idx; /* Do we already have a mapping for this ISA IRQ? */ - if (irq->mp_srcbus == MP_ISA_BUS - && irq->mp_srcbusirq == i) + if (irq->srcbus == MP_ISA_BUS && irq->srcbusirq == i) break; /* Do we already have a mapping for this IOAPIC pin */ - if (irq->mp_dstapic == dstapic && - irq->mp_dstirq == i) + if (irq->dstapic == dstapic && irq->dstirq == pin) break; } @@ -1079,38 +992,63 @@ void __init mp_config_acpi_legacy_irqs(void) continue; /* IRQ already used */ } - mp_irq.mp_type = MP_INTSRC; - mp_irq.mp_irqflag = 0; /* Conforming */ - mp_irq.mp_srcbus = MP_ISA_BUS; - mp_irq.mp_dstapic = dstapic; - mp_irq.mp_irqtype = mp_INT; - mp_irq.mp_srcbusirq = i; /* Identity mapped */ - mp_irq.mp_dstirq = i; + mp_irq.type = MP_INTSRC; + mp_irq.irqflag = 0; /* Conforming */ + mp_irq.srcbus = MP_ISA_BUS; + mp_irq.dstapic = dstapic; + mp_irq.irqtype = mp_INT; + mp_irq.srcbusirq = i; /* Identity mapped */ + mp_irq.dstirq = pin; - save_mp_irq(&mp_irq); + mp_save_irq(&mp_irq); } } -int mp_register_gsi(u32 gsi, int triggering, int polarity) +static int mp_config_acpi_gsi(struct device *dev, u32 gsi, int trigger, + int polarity) { +#ifdef CONFIG_X86_MPPARSE + struct mpc_intsrc mp_irq; + struct pci_dev *pdev; + unsigned char number; + unsigned int devfn; int ioapic; - int ioapic_pin; -#ifdef CONFIG_X86_32 -#define MAX_GSI_NUM 4096 -#define IRQ_COMPRESSION_START 64 + u8 pin; - static int pci_irq = IRQ_COMPRESSION_START; - /* - * Mapping between Global System Interrupts, which - * represent all possible interrupts, and IRQs - * assigned to actual devices. - */ - static int gsi_to_irq[MAX_GSI_NUM]; -#else + if (!acpi_ioapic) + return 0; + if (!dev || !dev_is_pci(dev)) + return 0; + + pdev = to_pci_dev(dev); + number = pdev->bus->number; + devfn = pdev->devfn; + pin = pdev->pin; + /* print the entry should happen on mptable identically */ + mp_irq.type = MP_INTSRC; + mp_irq.irqtype = mp_INT; + mp_irq.irqflag = (trigger == ACPI_EDGE_SENSITIVE ? 4 : 0x0c) | + (polarity == ACPI_ACTIVE_HIGH ? 1 : 3); + mp_irq.srcbus = number; + mp_irq.srcbusirq = (((devfn >> 3) & 0x1f) << 2) | ((pin - 1) & 3); + ioapic = mp_find_ioapic(gsi); + mp_irq.dstapic = mpc_ioapic_id(ioapic); + mp_irq.dstirq = mp_find_ioapic_pin(ioapic, gsi); + + mp_save_irq(&mp_irq); +#endif + return 0; +} + +int mp_register_gsi(struct device *dev, u32 gsi, int trigger, int polarity) +{ + int ioapic; + int ioapic_pin; + struct io_apic_irq_attr irq_attr; + int ret; if (acpi_irq_model != ACPI_IRQ_MODEL_IOAPIC) return gsi; -#endif /* Don't set up the ACPI SCI because it's already set up */ if (acpi_gbl_FADT.sci_interrupt == gsi) @@ -1122,100 +1060,26 @@ int mp_register_gsi(u32 gsi, int triggering, int polarity) return gsi; } - ioapic_pin = gsi - mp_ioapic_routing[ioapic].gsi_base; + ioapic_pin = mp_find_ioapic_pin(ioapic, gsi); -#ifdef CONFIG_X86_32 - if (ioapic_renumber_irq) - gsi = ioapic_renumber_irq(ioapic, gsi); -#endif - - /* - * Avoid pin reprogramming. PRTs typically include entries - * with redundant pin->gsi mappings (but unique PCI devices); - * we only program the IOAPIC on the first. - */ if (ioapic_pin > MP_MAX_IOAPIC_PIN) { printk(KERN_ERR "Invalid reference to IOAPIC pin " - "%d-%d\n", mp_ioapic_routing[ioapic].apic_id, + "%d-%d\n", mpc_ioapic_id(ioapic), ioapic_pin); return gsi; } - if (test_bit(ioapic_pin, mp_ioapic_routing[ioapic].pin_programmed)) { - pr_debug(KERN_DEBUG "Pin %d-%d already programmed\n", - mp_ioapic_routing[ioapic].apic_id, ioapic_pin); -#ifdef CONFIG_X86_32 - return (gsi < IRQ_COMPRESSION_START ? gsi : gsi_to_irq[gsi]); -#else - return gsi; -#endif - } - - set_bit(ioapic_pin, mp_ioapic_routing[ioapic].pin_programmed); -#ifdef CONFIG_X86_32 - /* - * For GSI >= 64, use IRQ compression - */ - if ((gsi >= IRQ_COMPRESSION_START) - && (triggering == ACPI_LEVEL_SENSITIVE)) { - /* - * For PCI devices assign IRQs in order, avoiding gaps - * due to unused I/O APIC pins. - */ - int irq = gsi; - if (gsi < MAX_GSI_NUM) { - /* - * Retain the VIA chipset work-around (gsi > 15), but - * avoid a problem where the 8254 timer (IRQ0) is setup - * via an override (so it's not on pin 0 of the ioapic), - * and at the same time, the pin 0 interrupt is a PCI - * type. The gsi > 15 test could cause these two pins - * to be shared as IRQ0, and they are not shareable. - * So test for this condition, and if necessary, avoid - * the pin collision. - */ - gsi = pci_irq++; - /* - * Don't assign IRQ used by ACPI SCI - */ - if (gsi == acpi_gbl_FADT.sci_interrupt) - gsi = pci_irq++; - gsi_to_irq[irq] = gsi; - } else { - printk(KERN_ERR "GSI %u is too high\n", gsi); - return gsi; - } - } -#endif - io_apic_set_pci_routing(ioapic, ioapic_pin, gsi, - triggering == ACPI_EDGE_SENSITIVE ? 0 : 1, - polarity == ACPI_ACTIVE_HIGH ? 0 : 1); - return gsi; -} -int mp_config_acpi_gsi(unsigned char number, unsigned int devfn, u8 pin, - u32 gsi, int triggering, int polarity) -{ -#ifdef CONFIG_X86_MPPARSE - struct mp_config_intsrc mp_irq; - int ioapic; + if (enable_update_mptable) + mp_config_acpi_gsi(dev, gsi, trigger, polarity); - if (!acpi_ioapic) - return 0; - - /* print the entry should happen on mptable identically */ - mp_irq.mp_type = MP_INTSRC; - mp_irq.mp_irqtype = mp_INT; - mp_irq.mp_irqflag = (triggering == ACPI_EDGE_SENSITIVE ? 4 : 0x0c) | - (polarity == ACPI_ACTIVE_HIGH ? 1 : 3); - mp_irq.mp_srcbus = number; - mp_irq.mp_srcbusirq = (((devfn >> 3) & 0x1f) << 2) | ((pin - 1) & 3); - ioapic = mp_find_ioapic(gsi); - mp_irq.mp_dstapic = mp_ioapic_routing[ioapic].apic_id; - mp_irq.mp_dstirq = gsi - mp_ioapic_routing[ioapic].gsi_base; + set_io_apic_irq_attr(&irq_attr, ioapic, ioapic_pin, + trigger == ACPI_EDGE_SENSITIVE ? 0 : 1, + polarity == ACPI_ACTIVE_HIGH ? 0 : 1); + ret = io_apic_set_pci_routing(dev, gsi_to_irq(gsi), &irq_attr); + if (ret < 0) + gsi = INT_MIN; - save_mp_irq(&mp_irq); -#endif - return 0; + return gsi; } /* @@ -1232,9 +1096,8 @@ static int __init acpi_parse_madt_ioapic_entries(void) * If MPS is present, it will handle them, * otherwise the system will stay in PIC mode */ - if (acpi_disabled || acpi_noirq) { + if (acpi_disabled || acpi_noirq) return -ENODEV; - } if (!cpu_has_apic) return -ENODEV; @@ -1261,7 +1124,7 @@ static int __init acpi_parse_madt_ioapic_entries(void) count = acpi_table_parse_madt(ACPI_MADT_TYPE_INTERRUPT_OVERRIDE, acpi_parse_int_src_ovr, - NR_IRQ_VECTORS); + nr_irqs); if (count < 0) { printk(KERN_ERR PREFIX "Error parsing interrupt source overrides entry\n"); @@ -1274,14 +1137,15 @@ static int __init acpi_parse_madt_ioapic_entries(void) * 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); + acpi_sci_ioapic_setup(acpi_gbl_FADT.sci_interrupt, 0, 0, + acpi_gbl_FADT.sci_interrupt); - /* Fill in identity legacy mapings where no override */ + /* Fill in identity legacy mappings 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); + nr_irqs); if (count < 0) { printk(KERN_ERR PREFIX "Error parsing NMI SRC entry\n"); /* TBD: Cleanup to allow fallback to MPS */ @@ -1338,20 +1202,14 @@ static void __init acpi_process_madt(void) 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; + acpi_set_irq_model_ioapic(); smp_found_config = 1; - setup_apic_routing(); } } if (error == -EINVAL) { @@ -1362,7 +1220,29 @@ static void __init acpi_process_madt(void) "Invalid BIOS MADT, disabling ACPI\n"); disable_acpi(); } + } else { + /* + * ACPI found no MADT, and so ACPI wants UP PIC mode. + * In the event an MPS table was found, forget it. + * Boot with "acpi=off" to use MPS on such a system. + */ + if (smp_found_config) { + printk(KERN_WARNING PREFIX + "No APIC-table, disabling MPS\n"); + smp_found_config = 0; + } } + + /* + * ACPI supports both logical (e.g. Hyper-Threading) and physical + * processors, where MPS only supports physical. + */ + if (acpi_lapic && acpi_ioapic) + printk(KERN_INFO "Using ACPI (MADT) for SMP configuration " + "information\n"); + else if (acpi_lapic) + printk(KERN_INFO "Using ACPI for processor (LAPIC) " + "configuration information\n"); #endif return; } @@ -1400,35 +1280,21 @@ static int __init dmi_disable_acpi(const struct dmi_system_id *d) } /* - * Limit ACPI to CPU enumeration for HT - */ -static int __init force_acpi_ht(const 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; -} - -/* - * Force ignoring BIOS IRQ0 pin2 override + * Force ignoring BIOS IRQ0 override */ static int __init dmi_ignore_irq0_timer_override(const struct dmi_system_id *d) { - pr_notice("%s detected: Ignoring BIOS IRQ0 pin2 override\n", d->ident); - acpi_skip_timer_override = 1; + if (!acpi_skip_timer_override) { + pr_notice("%s detected: Ignoring BIOS IRQ0 override\n", + d->ident); + acpi_skip_timer_override = 1; + } return 0; } /* * If your system is blacklisted here, but you find that acpi=force - * works for you, please contact acpi-devel@sourceforge.net + * works for you, please contact linux-acpi@vger.kernel.org */ static struct dmi_system_id __initdata acpi_dmi_table[] = { /* @@ -1444,98 +1310,6 @@ static struct dmi_system_id __initdata acpi_dmi_table[] = { }, /* - * 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 */ { @@ -1593,6 +1367,11 @@ static struct dmi_system_id __initdata acpi_dmi_table[] = { DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 360"), }, }, + {} +}; + +/* second table for DMI checks that should run after early-quirks */ +static struct dmi_system_id __initdata acpi_dmi_table_late[] = { /* * HP laptops which use a DSDT reporting as HP/SB400/10000, * which includes some code which overrides all temperature @@ -1600,11 +1379,19 @@ static struct dmi_system_id __initdata acpi_dmi_table[] = { * is enabled. This input is incorrectly designated the * ISA IRQ 0 via an interrupt source override even though * it is wired to the output of the master 8259A and INTIN0 - * is not connected at all. Force ignoring BIOS IRQ0 pin2 + * is not connected at all. Force ignoring BIOS IRQ0 * override in that cases. */ { .callback = dmi_ignore_irq0_timer_override, + .ident = "HP nx6115 laptop", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), + DMI_MATCH(DMI_PRODUCT_NAME, "HP Compaq nx6115"), + }, + }, + { + .callback = dmi_ignore_irq0_timer_override, .ident = "HP NX6125 laptop", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), @@ -1619,6 +1406,22 @@ static struct dmi_system_id __initdata acpi_dmi_table[] = { DMI_MATCH(DMI_PRODUCT_NAME, "HP Compaq nx6325"), }, }, + { + .callback = dmi_ignore_irq0_timer_override, + .ident = "HP 6715b laptop", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), + DMI_MATCH(DMI_PRODUCT_NAME, "HP Compaq 6715b"), + }, + }, + { + .callback = dmi_ignore_irq0_timer_override, + .ident = "FUJITSU SIEMENS", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), + DMI_MATCH(DMI_PRODUCT_NAME, "AMILO PRO V2030"), + }, + }, {} }; @@ -1639,32 +1442,24 @@ static struct dmi_system_id __initdata acpi_dmi_table[] = { * if acpi_blacklisted() acpi_disabled = 1; * acpi_irq_model=... * ... - * - * return value: (currently ignored) - * 0: success - * !0: failure */ -int __init acpi_boot_table_init(void) +void __init acpi_boot_table_init(void) { - int error; - dmi_check_system(acpi_dmi_table); /* * If acpi_disabled, bail out - * One exception: acpi=ht continues far enough to enumerate LAPICs */ - if (acpi_disabled && !acpi_ht) - return 1; + if (acpi_disabled) + return; /* * Initialize the ACPI boot-time table parser. */ - error = acpi_table_init(); - if (error) { + if (acpi_table_init()) { disable_acpi(); - return error; + return; } acpi_table_parse(ACPI_SIG_BOOT, acpi_parse_sbf); @@ -1672,27 +1467,23 @@ int __init acpi_boot_table_init(void) /* * blacklist may disable ACPI entirely */ - error = acpi_blacklisted(); - if (error) { + if (acpi_blacklisted()) { 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; } } - - return 0; } int __init early_acpi_boot_init(void) { /* * If acpi_disabled, bail out - * One exception: acpi=ht continues far enough to enumerate LAPICs */ - if (acpi_disabled && !acpi_ht) + if (acpi_disabled) return 1; /* @@ -1705,11 +1496,13 @@ int __init early_acpi_boot_init(void) int __init acpi_boot_init(void) { + /* those are executed after early-quirks are executed */ + dmi_check_system(acpi_dmi_table_late); + /* * If acpi_disabled, bail out - * One exception: acpi=ht continues far enough to enumerate LAPICs */ - if (acpi_disabled && !acpi_ht) + if (acpi_disabled) return 1; acpi_table_parse(ACPI_SIG_BOOT, acpi_parse_sbf); @@ -1726,6 +1519,9 @@ int __init acpi_boot_init(void) acpi_table_parse(ACPI_SIG_HPET, acpi_parse_hpet); + if (!acpi_noirq) + x86_init.pci.init = pci_acpi_init; + return 0; } @@ -1741,22 +1537,27 @@ static int __init parse_acpi(char *arg) /* 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=rsdt use RSDT instead of XSDT */ + else if (strcmp(arg, "rsdt") == 0) { + acpi_gbl_do_not_use_xsdt = TRUE; } /* "acpi=noirq" disables ACPI interrupt routing */ else if (strcmp(arg, "noirq") == 0) { acpi_noirq_set(); + } + /* "acpi=copy_dsdt" copys DSDT */ + else if (strcmp(arg, "copy_dsdt") == 0) { + acpi_gbl_copy_dsdt_locally = 1; + } + /* "acpi=nocmcff" disables FF mode for corrected errors */ + else if (strcmp(arg, "nocmcff") == 0) { + acpi_disable_cmcff = 1; } else { /* Core will printk when we return error. */ return -EINVAL; @@ -1847,3 +1648,9 @@ int __acpi_release_global_lock(unsigned int *lock) } while (unlikely (val != old)); return old & 0x1; } + +void __init arch_reserve_mem_area(acpi_physical_address addr, size_t size) +{ + e820_add_region(addr, size, E820_ACPI); + update_e820(); +} |