X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Fi386%2Fkernel%2Facpi%2Fboot.c;h=40e5aba3ad3d425f1545ff7e199e1356a56e38d8;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=848bb97af7ca316755f6e47e612ecc75717fb197;hpb=cee37fe97739d85991964371c1f3a745c00dd236;p=linux-2.6.git diff --git a/arch/i386/kernel/acpi/boot.c b/arch/i386/kernel/acpi/boot.c index 848bb97af..40e5aba3a 100644 --- a/arch/i386/kernel/acpi/boot.c +++ b/arch/i386/kernel/acpi/boot.c @@ -27,31 +27,36 @@ #include #include #include -#include #include +#include +#include #include #include #include #include -#include #include #ifdef CONFIG_X86_64 -static inline void acpi_madt_oem_check(char *oem_id, char *oem_table_id) { } extern void __init clustered_apic_check(void); -static inline int ioapic_setup_disabled(void) { return 0; } + +extern int gsi_irq_sharing(int gsi); #include -#else /* X86 */ +static inline int acpi_madt_oem_check(char *oem_id, char *oem_table_id) { return 0; } + + +#else /* X86 */ #ifdef CONFIG_X86_LOCAL_APIC #include #include -#endif /* CONFIG_X86_LOCAL_APIC */ +#endif /* CONFIG_X86_LOCAL_APIC */ -#endif /* X86 */ +static inline int gsi_irq_sharing(int gsi) { return gsi; } + +#endif /* X86 */ #define BAD_MADT_ENTRY(entry, end) ( \ (!entry) || (unsigned long)entry + sizeof(*entry) > end || \ @@ -59,13 +64,8 @@ static inline int ioapic_setup_disabled(void) { return 0; } #define PREFIX "ACPI: " -#ifdef CONFIG_ACPI_PCI int acpi_noirq __initdata; /* skip ACPI IRQ initialization */ -int acpi_pci_disabled __initdata; /* skip ACPI PCI scan and IRQ initialization */ -#else -int acpi_noirq __initdata = 1; -int acpi_pci_disabled __initdata = 1; -#endif +int acpi_pci_disabled __initdata; /* skip ACPI PCI scan and IRQ initialization */ int acpi_ht __initdata = 1; /* enable HT */ int acpi_lapic; @@ -87,7 +87,7 @@ static u64 acpi_lapic_addr __initdata = APIC_DEFAULT_PHYS_BASE; #define MAX_MADT_ENTRIES 256 u8 x86_acpiid_to_apicid[MAX_MADT_ENTRIES] = - { [0 ... MAX_MADT_ENTRIES-1] = 0xff }; + {[0 ... MAX_MADT_ENTRIES - 1] = 0xff }; EXPORT_SYMBOL(x86_acpiid_to_apicid); /* -------------------------------------------------------------------------- @@ -98,7 +98,7 @@ EXPORT_SYMBOL(x86_acpiid_to_apicid); * 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; +enum acpi_irq_model_id acpi_irq_model = ACPI_IRQ_MODEL_PIC; #ifdef CONFIG_X86_64 @@ -106,9 +106,9 @@ enum acpi_irq_model_id acpi_irq_model = ACPI_IRQ_MODEL_PIC; char *__acpi_map_table(unsigned long phys_addr, unsigned long size) { if (!phys_addr || !size) - return NULL; + return NULL; - if (phys_addr < (end_pfn_map << PAGE_SHIFT)) + if (phys_addr+size <= (end_pfn_map << PAGE_SHIFT) + PAGE_SIZE) return __va(phys_addr); return NULL; @@ -133,8 +133,8 @@ 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); + if (phys + size < 8 * 1024 * 1024) + return __va(phys); offset = phys & (PAGE_SIZE - 1); mapped_size = PAGE_SIZE - offset; @@ -153,49 +153,72 @@ char *__acpi_map_table(unsigned long phys, unsigned long size) mapped_size += PAGE_SIZE; } - return ((unsigned char *) base + offset); + return ((unsigned char *)base + offset); } #endif #ifdef CONFIG_PCI_MMCONFIG -static int __init acpi_parse_mcfg(unsigned long phys_addr, unsigned long size) +/* The physical address of the MMCONFIG aperture. Set from ACPI tables. */ +struct acpi_table_mcfg_config *pci_mmcfg_config; +int pci_mmcfg_config_num; + +int __init acpi_parse_mcfg(unsigned long phys_addr, unsigned long size) { struct acpi_table_mcfg *mcfg; + unsigned long i; + int config_size; if (!phys_addr || !size) return -EINVAL; - mcfg = (struct acpi_table_mcfg *) __acpi_map_table(phys_addr, size); + mcfg = (struct acpi_table_mcfg *)__acpi_map_table(phys_addr, size); if (!mcfg) { printk(KERN_WARNING PREFIX "Unable to map MCFG\n"); return -ENODEV; } - if (mcfg->base_reserved) { - printk(KERN_ERR PREFIX "MMCONFIG not in low 4GB of memory\n"); + /* how many config structures do we have */ + pci_mmcfg_config_num = 0; + i = size - sizeof(struct acpi_table_mcfg); + while (i >= sizeof(struct acpi_table_mcfg_config)) { + ++pci_mmcfg_config_num; + i -= sizeof(struct acpi_table_mcfg_config); + }; + if (pci_mmcfg_config_num == 0) { + printk(KERN_ERR PREFIX "MMCONFIG has no entries\n"); return -ENODEV; } - pci_mmcfg_base_addr = mcfg->base_address; + 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->config, config_size); + for (i = 0; i < pci_mmcfg_config_num; ++i) { + if (mcfg->config[i].base_reserved) { + printk(KERN_ERR PREFIX + "MMCONFIG not in low 4GB of memory\n"); + return -ENODEV; + } + } return 0; } -#else -#define acpi_parse_mcfg NULL -#endif /* !CONFIG_PCI_MMCONFIG */ +#endif /* CONFIG_PCI_MMCONFIG */ #ifdef CONFIG_X86_LOCAL_APIC -static int __init -acpi_parse_madt ( - unsigned long phys_addr, - unsigned long size) +static int __init acpi_parse_madt(unsigned long phys_addr, unsigned long size) { - struct acpi_table_madt *madt = NULL; + struct acpi_table_madt *madt = NULL; if (!phys_addr || !size) return -EINVAL; - madt = (struct acpi_table_madt *) __acpi_map_table(phys_addr, size); + madt = (struct acpi_table_madt *)__acpi_map_table(phys_addr, size); if (!madt) { printk(KERN_WARNING PREFIX "Unable to map MADT\n"); return -ENODEV; @@ -205,48 +228,50 @@ acpi_parse_madt ( acpi_lapic_addr = (u64) madt->lapic_address; printk(KERN_DEBUG PREFIX "Local APIC address 0x%08x\n", - madt->lapic_address); + madt->lapic_address); } acpi_madt_oem_check(madt->header.oem_id, madt->header.oem_table_id); - + return 0; } - static int __init -acpi_parse_lapic ( - acpi_table_entry_header *header, const unsigned long end) +acpi_parse_lapic(acpi_table_entry_header * header, const unsigned long end) { - struct acpi_table_lapic *processor = NULL; + struct acpi_table_lapic *processor = NULL; - processor = (struct acpi_table_lapic*) header; + processor = (struct acpi_table_lapic *)header; if (BAD_MADT_ENTRY(processor, end)) return -EINVAL; acpi_table_print_madt_entry(header); - /* no utility in registering a disabled processor */ - if (processor->flags.enabled == 0) - return 0; - - x86_acpiid_to_apicid[processor->acpi_id] = processor->id; + /* Record local apic id only when enabled */ + if (processor->flags.enabled) + x86_acpiid_to_apicid[processor->acpi_id] = processor->id; - mp_register_lapic ( - processor->id, /* APIC ID */ - processor->flags.enabled); /* Enabled? */ + /* + * 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->flags.enabled); /* Enabled? */ return 0; } static int __init -acpi_parse_lapic_addr_ovr ( - acpi_table_entry_header *header, const unsigned long end) +acpi_parse_lapic_addr_ovr(acpi_table_entry_header * header, + const unsigned long end) { struct acpi_table_lapic_addr_ovr *lapic_addr_ovr = NULL; - lapic_addr_ovr = (struct acpi_table_lapic_addr_ovr*) header; + lapic_addr_ovr = (struct acpi_table_lapic_addr_ovr *)header; if (BAD_MADT_ENTRY(lapic_addr_ovr, end)) return -EINVAL; @@ -257,12 +282,11 @@ acpi_parse_lapic_addr_ovr ( } static int __init -acpi_parse_lapic_nmi ( - acpi_table_entry_header *header, const unsigned long end) +acpi_parse_lapic_nmi(acpi_table_entry_header * header, const unsigned long end) { struct acpi_table_lapic_nmi *lapic_nmi = NULL; - lapic_nmi = (struct acpi_table_lapic_nmi*) header; + lapic_nmi = (struct acpi_table_lapic_nmi *)header; if (BAD_MADT_ENTRY(lapic_nmi, end)) return -EINVAL; @@ -275,37 +299,32 @@ acpi_parse_lapic_nmi ( return 0; } +#endif /*CONFIG_X86_LOCAL_APIC */ -#endif /*CONFIG_X86_LOCAL_APIC*/ - -#if defined(CONFIG_X86_IO_APIC) && defined(CONFIG_ACPI_INTERPRETER) +#ifdef CONFIG_X86_IO_APIC static int __init -acpi_parse_ioapic ( - acpi_table_entry_header *header, const unsigned long end) +acpi_parse_ioapic(acpi_table_entry_header * header, const unsigned long end) { struct acpi_table_ioapic *ioapic = NULL; - ioapic = (struct acpi_table_ioapic*) header; + ioapic = (struct acpi_table_ioapic *)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); - + mp_register_ioapic(ioapic->id, + ioapic->address, ioapic->global_irq_base); + return 0; } /* * Parse Interrupt Source Override for the ACPI SCI */ -static void -acpi_sci_ioapic_setup(u32 gsi, u16 polarity, u16 trigger) +static void acpi_sci_ioapic_setup(u32 gsi, u16 polarity, u16 trigger) { if (trigger == 0) /* compatible SCI trigger is level */ trigger = 3; @@ -321,7 +340,7 @@ acpi_sci_ioapic_setup(u32 gsi, u16 polarity, u16 trigger) polarity = acpi_sci_flags.polarity; /* - * mp_config_acpi_legacy_irqs() already setup IRQs < 16 + * 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. */ @@ -336,12 +355,12 @@ acpi_sci_ioapic_setup(u32 gsi, u16 polarity, u16 trigger) } static int __init -acpi_parse_int_src_ovr ( - acpi_table_entry_header *header, const unsigned long end) +acpi_parse_int_src_ovr(acpi_table_entry_header * header, + const unsigned long end) { struct acpi_table_int_src_ovr *intsrc = NULL; - intsrc = (struct acpi_table_int_src_ovr*) header; + intsrc = (struct acpi_table_int_src_ovr *)header; if (BAD_MADT_ENTRY(intsrc, end)) return -EINVAL; @@ -350,33 +369,30 @@ acpi_parse_int_src_ovr ( if (intsrc->bus_irq == acpi_fadt.sci_int) { acpi_sci_ioapic_setup(intsrc->global_irq, - intsrc->flags.polarity, intsrc->flags.trigger); + intsrc->flags.polarity, + intsrc->flags.trigger); return 0; } if (acpi_skip_timer_override && - intsrc->bus_irq == 0 && intsrc->global_irq == 2) { - printk(PREFIX "BIOS IRQ0 pin2 override ignored.\n"); - return 0; + intsrc->bus_irq == 0 && intsrc->global_irq == 2) { + printk(PREFIX "BIOS IRQ0 pin2 override ignored.\n"); + return 0; } - mp_override_legacy_irq ( - intsrc->bus_irq, - intsrc->flags.polarity, - intsrc->flags.trigger, - intsrc->global_irq); + mp_override_legacy_irq(intsrc->bus_irq, + intsrc->flags.polarity, + intsrc->flags.trigger, intsrc->global_irq); return 0; } - static int __init -acpi_parse_nmi_src ( - acpi_table_entry_header *header, const unsigned long end) +acpi_parse_nmi_src(acpi_table_entry_header * header, const unsigned long end) { struct acpi_table_nmi_src *nmi_src = NULL; - nmi_src = (struct acpi_table_nmi_src*) header; + nmi_src = (struct acpi_table_nmi_src *)header; if (BAD_MADT_ENTRY(nmi_src, end)) return -EINVAL; @@ -388,9 +404,7 @@ acpi_parse_nmi_src ( return 0; } -#endif /* CONFIG_X86_IO_APIC */ - -#ifdef CONFIG_ACPI_BUS +#endif /* CONFIG_X86_IO_APIC */ /* * acpi_pic_sci_set_trigger() @@ -406,8 +420,7 @@ acpi_parse_nmi_src ( * ECLR2 is IRQ's 8-15 (IRQ 8, 13 must be 0) */ -void __init -acpi_pic_sci_set_trigger(unsigned int irq, u16 trigger) +void __init acpi_pic_sci_set_trigger(unsigned int irq, u16 trigger) { unsigned int mask = 1 << irq; unsigned int old, new; @@ -427,10 +440,10 @@ acpi_pic_sci_set_trigger(unsigned int irq, u16 trigger) * routing tables.. */ switch (trigger) { - case 1: /* Edge - clear */ + case 1: /* Edge - clear */ new &= ~mask; break; - case 3: /* Level - set */ + case 3: /* Level - set */ new |= mask; break; } @@ -443,21 +456,22 @@ acpi_pic_sci_set_trigger(unsigned int irq, u16 trigger) outb(new >> 8, 0x4d1); } - -#endif /* CONFIG_ACPI_BUS */ - int acpi_gsi_to_irq(u32 gsi, unsigned int *irq) { #ifdef CONFIG_X86_IO_APIC if (use_pci_vector() && !platform_legacy_irq(gsi)) - *irq = IO_APIC_VECTOR(gsi); + *irq = IO_APIC_VECTOR(gsi); else #endif - *irq = gsi; + *irq = gsi_irq_sharing(gsi); return 0; } -unsigned int acpi_register_gsi(u32 gsi, int edge_level, int active_high_low) +/* + * 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; @@ -469,57 +483,71 @@ unsigned int acpi_register_gsi(u32 gsi, int edge_level, int active_high_low) if (acpi_irq_model == ACPI_IRQ_MODEL_PIC) { extern void eisa_set_level_irq(unsigned int irq); - if (edge_level == ACPI_LEVEL_SENSITIVE) - eisa_set_level_irq(gsi); + 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, edge_level, active_high_low); + 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) +int acpi_map_lsapic(acpi_handle handle, int *pcpu) { /* TBD */ return -EINVAL; } -EXPORT_SYMBOL(acpi_map_lsapic); +EXPORT_SYMBOL(acpi_map_lsapic); -int -acpi_unmap_lsapic(int cpu) +int acpi_unmap_lsapic(int cpu) { /* TBD */ return -EINVAL; } + EXPORT_SYMBOL(acpi_unmap_lsapic); -#endif /* CONFIG_ACPI_HOTPLUG_CPU */ +#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) +acpi_scan_rsdp(unsigned long start, unsigned long length) { - unsigned long offset = 0; - unsigned long sig_len = sizeof("RSD PTR ") - 1; + 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 *) (start + offset), "RSD PTR ", sig_len)) + if (strncmp((char *)(phys_to_virt(start) + offset), "RSD PTR ", sig_len)) continue; return (start + offset); } @@ -532,20 +560,19 @@ static int __init acpi_parse_sbf(unsigned long phys_addr, unsigned long size) struct acpi_table_sbf *sb; if (!phys_addr || !size) - return -EINVAL; + return -EINVAL; - sb = (struct acpi_table_sbf *) __acpi_map_table(phys_addr, size); + sb = (struct acpi_table_sbf *)__acpi_map_table(phys_addr, size); if (!sb) { printk(KERN_WARNING PREFIX "Unable to map SBF\n"); return -ENODEV; } - sbf_port = sb->sbf_cmos; /* Save CMOS port */ + sbf_port = sb->sbf_cmos; /* Save CMOS port */ return 0; } - #ifdef CONFIG_HPET_TIMER static int __init acpi_parse_hpet(unsigned long phys, unsigned long size) @@ -555,7 +582,7 @@ static int __init acpi_parse_hpet(unsigned long phys, unsigned long size) if (!phys || !size) return -EINVAL; - hpet_tbl = (struct acpi_table_hpet *) __acpi_map_table(phys, size); + hpet_tbl = (struct acpi_table_hpet *)__acpi_map_table(phys, size); if (!hpet_tbl) { printk(KERN_WARNING PREFIX "Unable to map HPET\n"); return -ENODEV; @@ -566,22 +593,21 @@ static int __init acpi_parse_hpet(unsigned long phys, unsigned long size) "memory.\n"); return -1; } - #ifdef CONFIG_X86_64 - vxtime.hpet_address = hpet_tbl->addr.addrl | - ((long) hpet_tbl->addr.addrh << 32); + vxtime.hpet_address = hpet_tbl->addr.addrl | + ((long)hpet_tbl->addr.addrh << 32); - printk(KERN_INFO PREFIX "HPET id: %#x base: %#lx\n", - hpet_tbl->id, vxtime.hpet_address); -#else /* X86 */ + printk(KERN_INFO PREFIX "HPET id: %#x base: %#lx\n", + hpet_tbl->id, vxtime.hpet_address); +#else /* X86 */ { extern unsigned long hpet_address; hpet_address = hpet_tbl->addr.addrl; printk(KERN_INFO PREFIX "HPET id: %#x base: %#lx\n", - hpet_tbl->id, hpet_address); + hpet_tbl->id, hpet_address); } -#endif /* X86 */ +#endif /* X86 */ return 0; } @@ -597,60 +623,63 @@ static int __init acpi_parse_fadt(unsigned long phys, unsigned long size) { struct fadt_descriptor_rev2 *fadt = NULL; - fadt = (struct fadt_descriptor_rev2*) __acpi_map_table(phys,size); - if(!fadt) { + fadt = (struct fadt_descriptor_rev2 *)__acpi_map_table(phys, size); + if (!fadt) { printk(KERN_WARNING PREFIX "Unable to map FADT\n"); return 0; } - -#ifdef CONFIG_ACPI_INTERPRETER /* initialize sci_int early for INT_SRC_OVR MADT parsing */ acpi_fadt.sci_int = fadt->sci_int; -#endif -#ifdef CONFIG_ACPI_BUS /* initialize rev and apic_phys_dest_mode for x86_64 genapic */ acpi_fadt.revision = fadt->revision; - acpi_fadt.force_apic_physical_destination_mode = fadt->force_apic_physical_destination_mode; -#endif + acpi_fadt.force_apic_physical_destination_mode = + fadt->force_apic_physical_destination_mode; #ifdef CONFIG_X86_PM_TIMER /* detect the location of the ACPI PM Timer */ if (fadt->revision >= FADT2_REVISION_ID) { /* FADT rev. 2 */ - if (fadt->xpm_tmr_blk.address_space_id != ACPI_ADR_SPACE_SYSTEM_IO) + if (fadt->xpm_tmr_blk.address_space_id != + ACPI_ADR_SPACE_SYSTEM_IO) return 0; pmtmr_ioport = fadt->xpm_tmr_blk.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 = fadt->V1_pm_tmr_blk; } else { /* FADT rev. 1 */ pmtmr_ioport = fadt->V1_pm_tmr_blk; } if (pmtmr_ioport) - printk(KERN_INFO PREFIX "PM-Timer IO Port: %#x\n", 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 __init acpi_find_rsdp(void) { - unsigned long rsdp_phys = 0; + unsigned long rsdp_phys = 0; if (efi_enabled) { - if (efi.acpi20) - return __pa(efi.acpi20); - else if (efi.acpi) - return __pa(efi.acpi); + 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); + rsdp_phys = acpi_scan_rsdp(0, 0x400); if (!rsdp_phys) - rsdp_phys = acpi_scan_rsdp (0xE0000, 0x20000); + rsdp_phys = acpi_scan_rsdp(0xE0000, 0x20000); return rsdp_phys; } @@ -660,38 +689,43 @@ acpi_find_rsdp (void) * Parse LAPIC entries in MADT * returns 0 on success, < 0 on error */ -static int __init -acpi_parse_madt_lapic_entries(void) +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_LAPIC_ADDR_OVR, acpi_parse_lapic_addr_ovr, 0); + count = + acpi_table_parse_madt(ACPI_MADT_LAPIC_ADDR_OVR, + acpi_parse_lapic_addr_ovr, 0); if (count < 0) { - printk(KERN_ERR PREFIX "Error parsing LAPIC address override entry\n"); + 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_LAPIC, acpi_parse_lapic, - MAX_APICS); - if (!count) { + 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) { + } 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_LAPIC_NMI, acpi_parse_lapic_nmi, 0); + count = + acpi_table_parse_madt(ACPI_MADT_LAPIC_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 */ @@ -699,15 +733,14 @@ acpi_parse_madt_lapic_entries(void) } return 0; } -#endif /* CONFIG_X86_LOCAL_APIC */ +#endif /* CONFIG_X86_LOCAL_APIC */ -#if defined(CONFIG_X86_IO_APIC) && defined(CONFIG_ACPI_INTERPRETER) +#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) +static int __init acpi_parse_madt_ioapic_entries(void) { int count; @@ -719,30 +752,37 @@ acpi_parse_madt_ioapic_entries(void) */ if (acpi_disabled || acpi_noirq) { return -ENODEV; - } + } + + if (!cpu_has_apic) + return -ENODEV; /* - * if "noapic" boot option, don't look for IO-APICs + * 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"); + "due to 'noapic' option.\n"); return -ENODEV; } - count = acpi_table_parse_madt(ACPI_MADT_IOAPIC, acpi_parse_ioapic, MAX_IO_APICS); + count = + acpi_table_parse_madt(ACPI_MADT_IOAPIC, acpi_parse_ioapic, + MAX_IO_APICS); if (!count) { printk(KERN_ERR PREFIX "No IOAPIC entries present\n"); return -ENODEV; - } - else if (count < 0) { + } else if (count < 0) { printk(KERN_ERR PREFIX "Error parsing IOAPIC entry\n"); return count; } - count = acpi_table_parse_madt(ACPI_MADT_INT_SRC_OVR, acpi_parse_int_src_ovr, NR_IRQ_VECTORS); + count = + acpi_table_parse_madt(ACPI_MADT_INT_SRC_OVR, acpi_parse_int_src_ovr, + NR_IRQ_VECTORS); if (count < 0) { - printk(KERN_ERR PREFIX "Error parsing interrupt source overrides entry\n"); + printk(KERN_ERR PREFIX + "Error parsing interrupt source overrides entry\n"); /* TBD: Cleanup to allow fallback to MPS */ return count; } @@ -757,7 +797,9 @@ acpi_parse_madt_ioapic_entries(void) /* Fill in identity legacy mapings where no override */ mp_config_acpi_legacy_irqs(); - count = acpi_table_parse_madt(ACPI_MADT_NMI_SRC, acpi_parse_nmi_src, NR_IRQ_VECTORS); + count = + acpi_table_parse_madt(ACPI_MADT_NMI_SRC, 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 */ @@ -771,11 +813,9 @@ static inline int acpi_parse_madt_ioapic_entries(void) { return -1; } -#endif /* !(CONFIG_X86_IO_APIC && CONFIG_ACPI_INTERPRETER) */ +#endif /* !CONFIG_X86_IO_APIC */ - -static void __init -acpi_process_madt(void) +static void __init acpi_process_madt(void) { #ifdef CONFIG_X86_LOCAL_APIC int count, error; @@ -790,6 +830,9 @@ acpi_process_madt(void) if (!error) { acpi_lapic = 1; +#ifdef CONFIG_X86_GENERICARCH + generic_bigsmp_probe(); +#endif /* * Parse MADT IO-APIC entries */ @@ -807,7 +850,8 @@ acpi_process_madt(void) /* * Dell Precision Workstation 410, 610 come here. */ - printk(KERN_ERR PREFIX "Invalid BIOS MADT, disabling ACPI\n"); + printk(KERN_ERR PREFIX + "Invalid BIOS MADT, disabling ACPI\n"); disable_acpi(); } } @@ -815,6 +859,218 @@ acpi_process_madt(void) return; } +extern int acpi_force; + +#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 = "DELL GX240", + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, "Dell Computer Corporation"), + DMI_MATCH(DMI_BOARD_NAME, "OptiPlex GX240"), + }, + }, + { + .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 "), + 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, ""), + /* newer BIOS, Revision 1011, does work */ + DMI_MATCH(DMI_BIOS_VERSION, + "ASUS A7V ACPI BIOS Revision 1007"), + }, + }, + + /* + * 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. @@ -838,17 +1094,20 @@ acpi_process_madt(void) * !0: failure */ -int __init -acpi_boot_table_init(void) +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; + return 1; /* * Initialize the ACPI boot-time table parser. @@ -859,10 +1118,6 @@ acpi_boot_table_init(void) return error; } -#ifdef __i386__ - check_acpi_pci(); -#endif - acpi_table_parse(ACPI_BOOT, acpi_parse_sbf); /* @@ -870,8 +1125,6 @@ acpi_boot_table_init(void) */ error = acpi_blacklisted(); if (error) { - extern int acpi_force; - if (acpi_force) { printk(KERN_WARNING PREFIX "acpi=force override\n"); } else { @@ -884,7 +1137,6 @@ acpi_boot_table_init(void) return 0; } - int __init acpi_boot_init(void) { /* @@ -892,7 +1144,7 @@ int __init acpi_boot_init(void) * One exception: acpi=ht continues far enough to enumerate LAPICs */ if (acpi_disabled && !acpi_ht) - return 1; + return 1; acpi_table_parse(ACPI_BOOT, acpi_parse_sbf); @@ -907,8 +1159,6 @@ int __init acpi_boot_init(void) acpi_process_madt(); acpi_table_parse(ACPI_HPET, acpi_parse_hpet); - acpi_table_parse(ACPI_MCFG, acpi_parse_mcfg); return 0; } -