diff options
Diffstat (limited to 'arch/x86/kernel/acpi/boot.c')
| -rw-r--r-- | arch/x86/kernel/acpi/boot.c | 67 |
1 files changed, 57 insertions, 10 deletions
diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c index 2cdc9de9371..057ccf1d5ad 100644 --- a/arch/x86/kernel/acpi/boot.c +++ b/arch/x86/kernel/acpi/boot.c @@ -39,6 +39,11 @@ #include <asm/apic.h> #include <asm/io.h> #include <asm/mpspec.h> +#include <asm/smp.h> + +#ifdef CONFIG_X86_LOCAL_APIC +# include <mach_apic.h> +#endif static int __initdata acpi_force = 0; @@ -52,9 +57,7 @@ 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; } - +#include <asm/genapic.h> #else /* X86 */ @@ -111,7 +114,7 @@ char *__init __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) + if (phys_addr+size <= (max_pfn_mapped << PAGE_SHIFT) + PAGE_SIZE) return __va(phys_addr); return NULL; @@ -237,6 +240,16 @@ static int __init acpi_parse_madt(struct acpi_table_header *table) return 0; } +static void __cpuinit acpi_register_lapic(int id, u8 enabled) +{ + if (!enabled) { + ++disabled_cpus; + return; + } + + generic_processor_info(id, 0); +} + static int __init acpi_parse_lapic(struct acpi_subtable_header * header, const unsigned long end) { @@ -256,8 +269,26 @@ acpi_parse_lapic(struct acpi_subtable_header * header, const unsigned long end) * 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? */ + acpi_register_lapic(processor->id, /* APIC ID */ + processor->lapic_flags & ACPI_MADT_ENABLED); + + return 0; +} + +static int __init +acpi_parse_sapic(struct acpi_subtable_header *header, const unsigned long end) +{ + struct acpi_madt_local_sapic *processor = NULL; + + processor = (struct acpi_madt_local_sapic *)header; + + if (BAD_MADT_ENTRY(processor, end)) + return -EINVAL; + + acpi_table_print_madt_entry(header); + + acpi_register_lapic((processor->id << 8) | processor->eid,/* APIC ID */ + processor->lapic_flags & ACPI_MADT_ENABLED); return 0; } @@ -300,6 +331,8 @@ acpi_parse_lapic_nmi(struct acpi_subtable_header * header, const unsigned long e #ifdef CONFIG_X86_IO_APIC +struct mp_ioapic_routing mp_ioapic_routing[MAX_IO_APICS]; + static int __init acpi_parse_ioapic(struct acpi_subtable_header * header, const unsigned long end) { @@ -532,7 +565,7 @@ static int __cpuinit _acpi_map_lsapic(acpi_handle handle, int *pcpu) buffer.pointer = NULL; tmp_map = cpu_present_map; - mp_register_lapic(physid, lapic->lapic_flags & ACPI_MADT_ENABLED); + acpi_register_lapic(physid, lapic->lapic_flags & ACPI_MADT_ENABLED); /* * If mp_register_lapic successfully generates a new logical cpu @@ -732,6 +765,16 @@ static int __init acpi_parse_fadt(struct acpi_table_header *table) * Parse LAPIC entries in MADT * 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()); +} + static int __init acpi_parse_madt_lapic_entries(void) { int count; @@ -753,10 +796,14 @@ static int __init acpi_parse_madt_lapic_entries(void) return count; } - mp_register_lapic_address(acpi_lapic_addr); + acpi_register_lapic_address(acpi_lapic_addr); + + count = acpi_table_parse_madt(ACPI_MADT_TYPE_LOCAL_SAPIC, + acpi_parse_sapic, MAX_APICS); - count = acpi_table_parse_madt(ACPI_MADT_TYPE_LOCAL_APIC, acpi_parse_lapic, - MAX_APICS); + if (!count) + 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 */ |