diff options
Diffstat (limited to 'arch/x86/kernel/acpi/boot.c')
-rw-r--r-- | arch/x86/kernel/acpi/boot.c | 25 |
1 files changed, 22 insertions, 3 deletions
diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c index 931ced8ca345..ae32838cac5f 100644 --- a/arch/x86/kernel/acpi/boot.c +++ b/arch/x86/kernel/acpi/boot.c @@ -35,6 +35,7 @@ #include <linux/bootmem.h> #include <linux/ioport.h> #include <linux/pci.h> +#include <linux/efi-bgrt.h> #include <asm/irqdomain.h> #include <asm/pci_x86.h> @@ -76,6 +77,7 @@ int acpi_fix_pin2_polarity __initdata; static u64 acpi_lapic_addr __initdata = APIC_DEFAULT_PHYS_BASE; #endif +#ifdef CONFIG_X86_IO_APIC /* * Locks related to IOAPIC hotplug * Hotplug side: @@ -88,6 +90,7 @@ static u64 acpi_lapic_addr __initdata = APIC_DEFAULT_PHYS_BASE; * ->ioapic_lock */ static DEFINE_MUTEX(acpi_ioapic_lock); +#endif /* -------------------------------------------------------------------------- Boot-time Configuration @@ -713,7 +716,7 @@ int acpi_map_cpu2node(acpi_handle handle, int cpu, int physid) int nid; nid = acpi_get_node(handle); - if (nid != -1) { + if (nid != NUMA_NO_NODE) { set_apicid_to_node(physid, nid); numa_set_node(cpu, nid); } @@ -721,11 +724,12 @@ int acpi_map_cpu2node(acpi_handle handle, int cpu, int physid) return 0; } -int acpi_map_cpu(acpi_handle handle, phys_cpuid_t physid, int *pcpu) +int acpi_map_cpu(acpi_handle handle, phys_cpuid_t physid, u32 acpi_id, + int *pcpu) { int cpu; - cpu = acpi_register_lapic(physid, U32_MAX, ACPI_MADT_ENABLED); + cpu = acpi_register_lapic(physid, acpi_id, ACPI_MADT_ENABLED); if (cpu < 0) { pr_info(PREFIX "Unable to map lapic to logical cpu number\n"); return cpu; @@ -928,6 +932,13 @@ static int __init acpi_parse_fadt(struct acpi_table_header *table) x86_platform.legacy.devices.pnpbios = 0; } + if (acpi_gbl_FADT.header.revision >= FADT2_REVISION_ID && + !(acpi_gbl_FADT.boot_flags & ACPI_FADT_8042) && + x86_platform.legacy.i8042 != X86_LEGACY_I8042_PLATFORM_ABSENT) { + pr_debug("ACPI: i8042 controller is absent\n"); + x86_platform.legacy.i8042 = X86_LEGACY_I8042_FIRMWARE_ABSENT; + } + if (acpi_gbl_FADT.boot_flags & ACPI_FADT_NO_CMOS_RTC) { pr_debug("ACPI: not registering RTC platform device\n"); x86_platform.legacy.rtc = 0; @@ -1548,6 +1559,12 @@ int __init early_acpi_boot_init(void) return 0; } +static int __init acpi_parse_bgrt(struct acpi_table_header *table) +{ + efi_bgrt_init(table); + return 0; +} + int __init acpi_boot_init(void) { /* those are executed after early-quirks are executed */ @@ -1572,6 +1589,8 @@ int __init acpi_boot_init(void) acpi_process_madt(); acpi_table_parse(ACPI_SIG_HPET, acpi_parse_hpet); + if (IS_ENABLED(CONFIG_ACPI_BGRT)) + acpi_table_parse(ACPI_SIG_BGRT, acpi_parse_bgrt); if (!acpi_noirq) x86_init.pci.init = pci_acpi_init; |