int __init
acpi_numa_init()
{
int result;
/* SRAT: Static Resource Affinity Table */
result = acpi_table_parse(ACPI_SRAT, acpi_parse_srat);
if (result > 0) {
result = acpi_table_parse_srat(ACPI_SRAT_PROCESSOR_AFFINITY,
acpi_parse_processor_affinity,
NR_CPUS);
result = acpi_table_parse_srat(ACPI_SRAT_MEMORY_AFFINITY,
acpi_parse_memory_affinity,
NR_NODE_MEMBLKS); // IA64 specific
} else {
/* FIXME */
printk("Warning: acpi_table_parse(ACPI_SRAT) returned %d!\n",result);
}
/* SLIT: System Locality Information Table */
result = acpi_table_parse(ACPI_SLIT, acpi_parse_slit);
if (result < 1) {
/* FIXME */
printk("Warning: acpi_table_parse(ACPI_SLIT) returned %d!\n",result);
}
acpi_numa_arch_fixup();
return 0;
}
/*
* Routine used to find the iSCSI Boot Format Table. The logical
* kernel address is set in the ibft_addr global variable.
*/
unsigned long __init find_ibft_region(unsigned long *sizep)
{
ibft_addr = NULL;
#ifdef CONFIG_ACPI
/*
* One spec says "IBFT", the other says "iBFT". We have to check
* for both.
*/
if (!ibft_addr)
acpi_table_parse(ACPI_SIG_IBFT, acpi_find_ibft);
if (!ibft_addr)
acpi_table_parse(IBFT_SIGN, acpi_find_ibft);
#endif /* CONFIG_ACPI */
/* iBFT 1.03 section 1.4.3.1 mandates that UEFI machines will
* only use ACPI for this */
if (!ibft_addr && !efi_enabled)
find_ibft_in_mem();
if (ibft_addr) {
*sizep = PAGE_ALIGN(ibft_addr->header.length);
return (u64)isa_virt_to_bus(ibft_addr);
}
*sizep = 0;
return 0;
}
int __init acpi_numa_init(void)
{
int ret = 0;
/*
* Should not limit number with cpu num that is from NR_CPUS or nr_cpus=
* SRAT cpu entries could have different order with that in MADT.
* So go over all cpu entries in SRAT to get apicid to node mapping.
*/
/* SRAT: Static Resource Affinity Table */
if (!acpi_table_parse(ACPI_SIG_SRAT, acpi_parse_srat)) {
acpi_table_parse_srat(ACPI_SRAT_TYPE_X2APIC_CPU_AFFINITY,
acpi_parse_x2apic_affinity, 0);
acpi_table_parse_srat(ACPI_SRAT_TYPE_CPU_AFFINITY,
acpi_parse_processor_affinity, 0);
ret = acpi_table_parse_srat(ACPI_SRAT_TYPE_MEMORY_AFFINITY,
acpi_parse_memory_affinity,
NR_NODE_MEMBLKS);
}
/* SLIT: System Locality Information Table */
acpi_table_parse(ACPI_SIG_SLIT, acpi_parse_slit);
acpi_numa_arch_fixup();
return ret;
}
int __init acpi_numa_init(void)
{
int cnt = 0;
if (!acpi_table_parse(ACPI_SIG_SRAT, acpi_parse_srat)) {
acpi_table_parse_srat(ACPI_SRAT_TYPE_X2APIC_CPU_AFFINITY,
acpi_parse_x2apic_affinity, 0);
acpi_table_parse_srat(ACPI_SRAT_TYPE_CPU_AFFINITY,
acpi_parse_processor_affinity, 0);
cnt = acpi_table_parse_srat(ACPI_SRAT_TYPE_MEMORY_AFFINITY,
acpi_parse_memory_affinity,
NR_NODE_MEMBLKS);
}
acpi_table_parse(ACPI_SIG_SLIT, acpi_parse_slit);
acpi_numa_arch_fixup();
if (cnt <= 0)
return cnt ?: -ENOENT;
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;
/*
* 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);
acpi_dmar_init();
erst_init();
acpi_hest_init();
acpi_table_parse(ACPI_SIG_BGRT, acpi_invalidate_bgrt);
return 0;
}
void __init pci_mmcfg_init(void)
{
if ((pci_probe & PCI_PROBE_MMCONF) == 0)
return;
acpi_table_parse(ACPI_MCFG, acpi_parse_mcfg);
if ((pci_mmcfg_config_num == 0) ||
(pci_mmcfg_config == NULL) ||
(pci_mmcfg_config[0].base_address == 0))
return;
if (!e820_all_mapped(pci_mmcfg_config[0].base_address,
pci_mmcfg_config[0].base_address + MMCONFIG_APER_MIN,
E820_RESERVED)) {
#ifndef CONFIG_XEN
printk(KERN_ERR "PCI: BIOS Bug: MCFG area at %x is not E820-reserved\n",
pci_mmcfg_config[0].base_address);
#endif
printk(KERN_ERR "PCI: Not using MMCONFIG.\n");
return;
}
printk(KERN_INFO "PCI: Using MMCONFIG\n");
raw_pci_ops = &pci_mmcfg;
pci_probe = pci_probe & ~PCI_PROBE_MASK;
pci_probe = pci_probe | PCI_PROBE_MMCONF | PCI_USING_MMCONF;
}
int __init early_acpi_boot_init(void)
{
int ret;
/*
* do a partial walk of MADT to determine how many CPUs
* we have including offline CPUs
*/
if (acpi_table_parse(ACPI_SIG_MADT, acpi_parse_madt)) {
printk(KERN_ERR PREFIX "Can't find MADT\n");
return 0;
}
ret = acpi_table_parse_madt(ACPI_MADT_TYPE_LOCAL_SAPIC,
acpi_parse_lsapic, NR_CPUS);
if (ret < 1)
printk(KERN_ERR PREFIX
"Error parsing MADT - no LAPIC entries\n");
#ifdef CONFIG_SMP
if (available_cpus == 0) {
printk(KERN_INFO "ACPI: Found 0 CPUS; assuming 1\n");
printk(KERN_INFO "CPU 0 (0x%04x)", hard_smp_processor_id());
smp_boot_data.cpu_phys_id[available_cpus] =
hard_smp_processor_id();
available_cpus = 1; /* We've got at least one of these, no? */
}
smp_boot_data.cpu_count = available_cpus;
#endif
/* Make boot-up look pretty */
printk(KERN_INFO "%d CPUs available, %d CPUs total\n", available_cpus,
total_cpus);
return 0;
}
static void __init nvidia_bugs(int num, int slot, int func)
{
#ifdef CONFIG_ACPI
#ifdef CONFIG_X86_IO_APIC
/*
* All timer overrides on Nvidia are
* wrong unless HPET is enabled.
* Unfortunately that's not true on many Asus boards.
* We don't know yet how to detect this automatically, but
* at least allow a command line override.
*/
if (acpi_use_timer_override)
return;
if (acpi_table_parse(ACPI_SIG_HPET, nvidia_hpet_check)) {
acpi_skip_timer_override = 1;
printk(KERN_INFO "Nvidia board "
"detected. Ignoring ACPI "
"timer override.\n");
printk(KERN_INFO "If you got timer trouble "
"try acpi_use_timer_override\n");
}
#endif
#endif
/* RED-PEN skip them on mptables too? */
}
void __init pci_mmcfg_init(int type)
{
if ((pci_probe & PCI_PROBE_MMCONF) == 0)
return;
acpi_table_parse(ACPI_MCFG, acpi_parse_mcfg);
if ((pci_mmcfg_config_num == 0) ||
(pci_mmcfg_config == NULL) ||
(pci_mmcfg_config[0].base_address == 0))
return;
/* Only do this check when type 1 works. If it doesn't work
assume we run on a Mac and always use MCFG */
if (type == 1 && !e820_all_mapped(pci_mmcfg_config[0].base_address,
pci_mmcfg_config[0].base_address + MMCONFIG_APER_MIN,
E820_RESERVED)) {
printk(KERN_ERR "PCI: BIOS Bug: MCFG area at %x is not E820-reserved\n",
pci_mmcfg_config[0].base_address);
printk(KERN_ERR "PCI: Not using MMCONFIG.\n");
return;
}
printk(KERN_INFO "PCI: Using MMCONFIG\n");
raw_pci_ops = &pci_mmcfg;
pci_probe = (pci_probe & ~PCI_PROBE_MASK) | PCI_PROBE_MMCONF;
unreachable_devices();
}
int __init early_acpi_boot_init(void)
{
int ret;
if (acpi_table_parse(ACPI_SIG_MADT, acpi_parse_madt)) {
printk(KERN_ERR PREFIX "Can't find MADT\n");
return 0;
}
ret = acpi_table_parse_madt(ACPI_MADT_TYPE_LOCAL_SAPIC,
acpi_parse_lsapic, NR_CPUS);
if (ret < 1)
printk(KERN_ERR PREFIX
"Error parsing MADT - no LAPIC entries\n");
#ifdef CONFIG_SMP
if (available_cpus == 0) {
printk(KERN_INFO "ACPI: Found 0 CPUS; assuming 1\n");
printk(KERN_INFO "CPU 0 (0x%04x)", hard_smp_processor_id());
smp_boot_data.cpu_phys_id[available_cpus] =
hard_smp_processor_id();
available_cpus = 1;
}
smp_boot_data.cpu_count = available_cpus;
#endif
printk(KERN_INFO "%d CPUs available, %d CPUs total\n", available_cpus,
total_cpus);
return 0;
}
static int __init pci_mmcfg_init(void)
{
int i;
if ((pci_probe & PCI_PROBE_MMCONF) == 0)
return 0;
acpi_table_parse(ACPI_MCFG, acpi_parse_mcfg);
if ((pci_mmcfg_config_num == 0) ||
(pci_mmcfg_config == NULL) ||
(pci_mmcfg_config[0].base_address == 0))
return 0;
/* RED-PEN i386 doesn't do _nocache right now */
pci_mmcfg_virt = kmalloc(sizeof(*pci_mmcfg_virt) * pci_mmcfg_config_num, GFP_KERNEL);
if (pci_mmcfg_virt == NULL) {
printk("PCI: Can not allocate memory for mmconfig structures\n");
return 0;
}
for (i = 0; i < pci_mmcfg_config_num; ++i) {
pci_mmcfg_virt[i].cfg = &pci_mmcfg_config[i];
pci_mmcfg_virt[i].virt = ioremap_nocache(pci_mmcfg_config[i].base_address, MMCONFIG_APER_SIZE);
if (!pci_mmcfg_virt[i].virt) {
printk("PCI: Cannot map mmconfig aperture for segment %d\n",
pci_mmcfg_config[i].pci_segment_group_number);
return 0;
}
printk(KERN_INFO "PCI: Using MMCONFIG at %x\n", pci_mmcfg_config[i].base_address);
}
raw_pci_ops = &pci_mmcfg;
pci_probe = (pci_probe & ~PCI_PROBE_MASK) | PCI_PROBE_MMCONF;
return 0;
}
static void kexec_common_shutdown(void)
{
watchdog_disable();
console_start_sync();
spin_debug_disable();
one_cpu_only();
acpi_table_parse(ACPI_SIG_DMAR, acpi_dmar_reinstate);
}
int __init acpi_numa_init(void)
{
/* SRAT: Static Resource Affinity Table */
if (!acpi_table_parse(ACPI_SIG_SRAT, acpi_parse_srat)) {
acpi_table_parse_srat(ACPI_SRAT_TYPE_CPU_AFFINITY,
acpi_parse_processor_affinity, NR_CPUS);
acpi_table_parse_srat(ACPI_SRAT_TYPE_MEMORY_AFFINITY,
acpi_parse_memory_affinity,
NR_NODE_MEMBLKS);
}
/* SLIT: System Locality Information Table */
acpi_table_parse(ACPI_SIG_SLIT, acpi_parse_slit);
acpi_numa_arch_fixup();
return 0;
}
static int __init acpi_spid_init(void)
{
int ret = 0;
/* create sysfs entries for soft platform id */
spid_kobj = kobject_create_and_add("spid", NULL);
if (!spid_kobj) {
pr_err("SPID: ENOMEM for spid_kobj\n");
return -ENOMEM;
}
ret = sysfs_create_group(spid_kobj, &spid_attr_group);
if (ret) {
pr_err("SPID: failed to create /sys/spid\n");
goto err_sysfs_spid;
}
/* parse SPID table from firmware/bios */
ret = acpi_table_parse(ACPI_SIG_PIDV, acpi_parse_pidv);
if (ret) {
pr_err("SPID: PIDV ACPI table not found\n");
ret = -EINVAL;
goto err_acpi_parse;
}
pidv_kobj = kobject_create_and_add("pidv", firmware_kobj);
if (!pidv_kobj) {
pr_err("pidv: ENOMEM for pidv_kobj\n");
ret = -ENOMEM;
goto err_kobj_create_pidv;
}
ret = sysfs_create_group(pidv_kobj, &pidv_attr_group);
if (ret) {
pr_err("SPID: failed to create /sys/spid\n");
goto err_sysfs_pidv;
}
/* Populate command line with SPID values */
populate_spid_cmdline();
return 0;
err_sysfs_pidv:
kobject_put(firmware_kobj);
err_kobj_create_pidv:
err_acpi_parse:
sysfs_remove_group(spid_kobj, &spid_attr_group);
err_sysfs_spid:
kobject_put(spid_kobj);
return ret;
}
void __init __weak pci_mmcfg_late_init(void)
{
struct pci_mmcfg_region *cfg;
acpi_table_parse(ACPI_SIG_MCFG, acpi_parse_mcfg);
if (list_empty(&pci_mmcfg_list))
return;
if (!pci_mmcfg_arch_init())
free_all_mmcfg();
list_for_each_entry(cfg, &pci_mmcfg_list, list)
insert_resource(&iomem_resource, &cfg->res);
}
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) {
extern int acpi_force;
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;
}
static int __init pci_mmcfg_init(void)
{
if ((pci_probe & PCI_PROBE_MMCONF) == 0)
goto out;
acpi_table_parse(ACPI_MCFG, acpi_parse_mcfg);
if ((pci_mmcfg_config_num == 0) ||
(pci_mmcfg_config == NULL) ||
(pci_mmcfg_config[0].base_address == 0))
goto out;
printk(KERN_INFO "PCI: Using MMCONFIG\n");
raw_pci_ops = &pci_mmcfg;
pci_probe = (pci_probe & ~PCI_PROBE_MASK) | PCI_PROBE_MMCONF;
unreachable_devices();
out:
return 0;
}
int __init early_acpi_boot_init(void)
{
int ret;
/*
* do a partial walk of MADT to determine how many CPUs
* we have including offline CPUs
*/
if (acpi_table_parse(ACPI_SIG_MADT, acpi_parse_madt)) {
printk(KERN_ERR PREFIX "Can't find MADT\n");
return 0;
}
ret = acpi_table_parse_madt(ACPI_MADT_TYPE_LOCAL_SAPIC,
acpi_parse_lsapic, NR_CPUS);
if (ret < 1)
printk(KERN_ERR PREFIX
"Error parsing MADT - no LAPIC entries\n");
return 0;
}
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;
generic_bigsmp_probe();
/*
* 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;
clustered_apic_check();
}
}
if (error == -EINVAL) {
/*
* Dell Precision Workstation 410, 610 come here.
*/
printk(KERN_ERR PREFIX
"Invalid BIOS MADT, disabling ACPI\n");
disable_acpi();
}
}
#endif
return;
}
int __init acpi_boot_init(void)
{
if (acpi_table_parse(ACPI_SIG_MADT, acpi_parse_madt)) {
printk(KERN_ERR PREFIX "Can't find MADT\n");
goto skip_madt;
}
if (acpi_table_parse_madt
(ACPI_MADT_TYPE_LOCAL_APIC_OVERRIDE, acpi_parse_lapic_addr_ovr, 0) < 0)
printk(KERN_ERR PREFIX
"Error parsing LAPIC address override entry\n");
if (acpi_table_parse_madt(ACPI_MADT_TYPE_LOCAL_APIC_NMI, acpi_parse_lapic_nmi, 0)
< 0)
printk(KERN_ERR PREFIX "Error parsing LAPIC NMI entry\n");
if (acpi_table_parse_madt
(ACPI_MADT_TYPE_IO_SAPIC, acpi_parse_iosapic, NR_IOSAPICS) < 1) {
if (!ia64_platform_is("sn2"))
printk(KERN_ERR PREFIX
"Error parsing MADT - no IOSAPIC entries\n");
}
if (acpi_table_parse_madt
(ACPI_MADT_TYPE_INTERRUPT_SOURCE, acpi_parse_plat_int_src,
ACPI_MAX_PLATFORM_INTERRUPTS) < 0)
printk(KERN_ERR PREFIX
"Error parsing platform interrupt source entry\n");
if (acpi_table_parse_madt
(ACPI_MADT_TYPE_INTERRUPT_OVERRIDE, acpi_parse_int_src_ovr, 0) < 0)
printk(KERN_ERR PREFIX
"Error parsing interrupt source overrides entry\n");
if (acpi_table_parse_madt(ACPI_MADT_TYPE_NMI_SOURCE, acpi_parse_nmi_src, 0) < 0)
printk(KERN_ERR PREFIX "Error parsing NMI SRC entry\n");
skip_madt:
if (acpi_table_parse(ACPI_SIG_FADT, acpi_parse_fadt))
printk(KERN_ERR PREFIX "Can't find FADT\n");
#ifdef CONFIG_ACPI_NUMA
#ifdef CONFIG_SMP
if (srat_num_cpus == 0) {
int cpu, i = 1;
for (cpu = 0; cpu < smp_boot_data.cpu_count; cpu++)
if (smp_boot_data.cpu_phys_id[cpu] !=
hard_smp_processor_id())
node_cpuid[i++].phys_id =
smp_boot_data.cpu_phys_id[cpu];
}
#endif
build_cpu_to_node_map();
#endif
return 0;
}
static void __init preinit_acpi_xen_time(void)
{
acpi_table_parse(ACPI_SIG_GTDT, arch_timer_acpi_init);
}
/*
* acpi_boot_init()
* called from setup_arch(), always.
* 1. maps ACPI tables for later use
* 2. enumerates lapics
* 3. enumerates io-apics
*
* side effects:
* acpi_lapic = 1 if LAPIC found
* acpi_ioapic = 1 if IOAPIC found
* if (acpi_lapic && acpi_ioapic) smp_found_config = 1;
* if acpi_blacklisted() disable_acpi()
* acpi_irq_model=...
* ...
*
* return value: (currently ignored)
* 0: success
* !0: failure
*/
int __init
acpi_boot_init (void)
{
int result = 0;
if (acpi_disabled && !acpi_ht)
return(1);
/*
* The default interrupt routing model is PIC (8259). This gets
* overriden if IOAPICs are enumerated (below).
*/
acpi_irq_model = ACPI_IRQ_MODEL_PIC;
/*
* Initialize the ACPI boot-time table parser.
*/
result = acpi_table_init();
if (result) {
disable_acpi();
return result;
}
#ifdef CONFIG_X86_IO_APIC
check_acpi_pci();
#endif
result = acpi_blacklisted();
if (result) {
printk(KERN_NOTICE PREFIX "BIOS listed in blacklist, disabling ACPI support\n");
disable_acpi();
return result;
}
#ifdef CONFIG_ACPI_MMCONFIG
result = acpi_table_parse(ACPI_MCFG, acpi_parse_mcfg);
if (result < 0) {
printk(KERN_ERR PREFIX "Error %d parsing MCFG\n", result);
} else if (result > 1) {
printk(KERN_WARNING PREFIX "Multiple MCFG tables exist\n");
}
#endif
#ifdef CONFIG_X86_LOCAL_APIC
/*
* MADT
* ----
* Parse the Multiple APIC Description Table (MADT), if exists.
* Note that this table provides platform SMP configuration
* information -- the successor to MPS tables.
*/
result = acpi_table_parse(ACPI_APIC, acpi_parse_madt);
if (!result) {
return 0;
}
else if (result < 0) {
printk(KERN_ERR PREFIX "Error parsing MADT\n");
return result;
}
else if (result > 1)
printk(KERN_WARNING PREFIX "Multiple MADT tables exist\n");
/*
* Local APIC
* ----------
* 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).
*/
result = acpi_table_parse_madt(ACPI_MADT_LAPIC_ADDR_OVR, acpi_parse_lapic_addr_ovr);
if (result < 0) {
printk(KERN_ERR PREFIX "Error parsing LAPIC address override entry\n");
return result;
}
mp_register_lapic_address(acpi_lapic_addr);
result = acpi_table_parse_madt(ACPI_MADT_LAPIC, acpi_parse_lapic);
if (!result) {
printk(KERN_ERR PREFIX "No LAPIC entries present\n");
/* TBD: Cleanup to allow fallback to MPS */
return -ENODEV;
}
else if (result < 0) {
printk(KERN_ERR PREFIX "Error parsing LAPIC entry\n");
/* TBD: Cleanup to allow fallback to MPS */
return result;
}
result = acpi_table_parse_madt(ACPI_MADT_LAPIC_NMI, acpi_parse_lapic_nmi);
if (result < 0) {
printk(KERN_ERR PREFIX "Error parsing LAPIC NMI entry\n");
/* TBD: Cleanup to allow fallback to MPS */
return result;
}
acpi_lapic = 1;
#endif /*CONFIG_X86_LOCAL_APIC*/
#if defined(CONFIG_X86_IO_APIC) && defined(CONFIG_ACPI_INTERPRETER)
/*
* I/O APIC
* --------
*/
/*
* 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 1;
}
/*
* if "noapic" boot option, don't look for IO-APICs
*/
if (ioapic_setup_disabled()) {
printk(KERN_INFO PREFIX "Skipping IOAPIC probe "
"due to 'noapic' option.\n");
return 1;
}
result = mp_irqs_alloc(); /* Dynamically allocate mp_irqs[] */
if (result < 0) {
acpi_noirq = 1;
return result;
}
result = acpi_table_parse_madt(ACPI_MADT_IOAPIC, acpi_parse_ioapic);
if (!result) {
printk(KERN_ERR PREFIX "No IOAPIC entries present\n");
return -ENODEV;
}
else if (result < 0) {
printk(KERN_ERR PREFIX "Error parsing IOAPIC entry\n");
return result;
}
/* Record sci_int for use when looking for MADT sci_int override */
acpi_table_parse(ACPI_FADT, acpi_parse_fadt);
result = acpi_table_parse_madt(ACPI_MADT_INT_SRC_OVR, acpi_parse_int_src_ovr);
if (result < 0) {
printk(KERN_ERR PREFIX "Error parsing interrupt source overrides entry\n");
/* TBD: Cleanup to allow fallback to MPS */
return result;
}
/*
* 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_fadt.sci_int, 0, 0);
/* Fill in identity legacy mapings where no override */
mp_config_acpi_legacy_irqs();
result = acpi_table_parse_madt(ACPI_MADT_NMI_SRC, acpi_parse_nmi_src);
if (result < 0) {
printk(KERN_ERR PREFIX "Error parsing NMI SRC entry\n");
/* TBD: Cleanup to allow fallback to MPS */
return result;
}
acpi_irq_model = ACPI_IRQ_MODEL_IOAPIC;
acpi_irq_balance_set(NULL);
acpi_ioapic = 1;
if (acpi_lapic && acpi_ioapic)
smp_found_config = 1;
#endif /*CONFIG_X86_IO_APIC && CONFIG_ACPI_INTERPRETER*/
return 0;
}
int __init acpi_boot_init(void)
{
/*
* MADT
* ----
* Parse the Multiple APIC Description Table (MADT), if exists.
* Note that this table provides platform SMP configuration
* information -- the successor to MPS tables.
*/
if (acpi_table_parse(ACPI_SIG_MADT, acpi_parse_madt)) {
printk(KERN_ERR PREFIX "Can't find MADT\n");
goto skip_madt;
}
/* Local APIC */
if (acpi_table_parse_madt
(ACPI_MADT_TYPE_LOCAL_APIC_OVERRIDE, acpi_parse_lapic_addr_ovr, 0) < 0)
printk(KERN_ERR PREFIX
"Error parsing LAPIC address override entry\n");
if (acpi_table_parse_madt(ACPI_MADT_TYPE_LOCAL_SAPIC, acpi_parse_lsapic, NR_CPUS)
< 1)
printk(KERN_ERR PREFIX
"Error parsing MADT - no LAPIC entries\n");
if (acpi_table_parse_madt(ACPI_MADT_TYPE_LOCAL_APIC_NMI, acpi_parse_lapic_nmi, 0)
< 0)
printk(KERN_ERR PREFIX "Error parsing LAPIC NMI entry\n");
/* I/O APIC */
if (acpi_table_parse_madt
(ACPI_MADT_TYPE_IO_SAPIC, acpi_parse_iosapic, NR_IOSAPICS) < 1) {
if (!ia64_platform_is("sn2"))
printk(KERN_ERR PREFIX
"Error parsing MADT - no IOSAPIC entries\n");
}
/* System-Level Interrupt Routing */
if (acpi_table_parse_madt
(ACPI_MADT_TYPE_INTERRUPT_SOURCE, acpi_parse_plat_int_src,
ACPI_MAX_PLATFORM_INTERRUPTS) < 0)
printk(KERN_ERR PREFIX
"Error parsing platform interrupt source entry\n");
if (acpi_table_parse_madt
(ACPI_MADT_TYPE_INTERRUPT_OVERRIDE, acpi_parse_int_src_ovr, 0) < 0)
printk(KERN_ERR PREFIX
"Error parsing interrupt source overrides entry\n");
if (acpi_table_parse_madt(ACPI_MADT_TYPE_NMI_SOURCE, acpi_parse_nmi_src, 0) < 0)
printk(KERN_ERR PREFIX "Error parsing NMI SRC entry\n");
skip_madt:
/*
* FADT says whether a legacy keyboard controller is present.
* The FADT also contains an SCI_INT line, by which the system
* gets interrupts such as power and sleep buttons. If it's not
* on a Legacy interrupt, it needs to be setup.
*/
if (acpi_table_parse(ACPI_SIG_FADT, acpi_parse_fadt))
printk(KERN_ERR PREFIX "Can't find FADT\n");
#ifdef CONFIG_SMP
if (available_cpus == 0) {
printk(KERN_INFO "ACPI: Found 0 CPUS; assuming 1\n");
printk(KERN_INFO "CPU 0 (0x%04x)", hard_smp_processor_id());
smp_boot_data.cpu_phys_id[available_cpus] =
hard_smp_processor_id();
available_cpus = 1; /* We've got at least one of these, no? */
}
smp_boot_data.cpu_count = available_cpus;
smp_build_cpu_map();
# ifdef CONFIG_ACPI_NUMA
if (srat_num_cpus == 0) {
int cpu, i = 1;
for (cpu = 0; cpu < smp_boot_data.cpu_count; cpu++)
if (smp_boot_data.cpu_phys_id[cpu] !=
hard_smp_processor_id())
node_cpuid[i++].phys_id =
smp_boot_data.cpu_phys_id[cpu];
}
# endif
#endif
#ifdef CONFIG_ACPI_NUMA
build_cpu_to_node_map();
#endif
/* Make boot-up look pretty */
printk(KERN_INFO "%d CPUs available, %d CPUs total\n", available_cpus,
total_cpus);
return 0;
}
