#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;
#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 */
#define PREFIX "ACPI: "
int acpi_noirq; /* skip ACPI IRQ initialization */
-int acpi_pci_disabled __initdata; /* skip ACPI PCI scan and 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;
-EXPORT_SYMBOL(acpi_strict);
u8 acpi_sci_flags __initdata;
int acpi_sci_override_gsi __initdata;
#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)
+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;
* 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)
+char *__init __acpi_map_table(unsigned long phys, unsigned long size)
{
unsigned long base, offset, mapped_size;
int idx;
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)
{
* 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;
}
#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)
{
return irq;
}
-EXPORT_SYMBOL(acpi_register_gsi);
-
/*
* ACPI based hotplug support for CPU
*/
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
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;
#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",
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 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;
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 */