diff options
Diffstat (limited to 'arch/x86/lib/acpi_table.c')
| -rw-r--r-- | arch/x86/lib/acpi_table.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/arch/x86/lib/acpi_table.c b/arch/x86/lib/acpi_table.c index c6f4d8941c..14d10c34cd 100644 --- a/arch/x86/lib/acpi_table.c +++ b/arch/x86/lib/acpi_table.c @@ -15,7 +15,9 @@ #include <asm/acpi/global_nvs.h> #include <asm/acpi_table.h> #include <asm/io.h> +#include <asm/ioapic.h> #include <asm/lapic.h> +#include <asm/mpspec.h> #include <asm/tables.h> #include <asm/arch/global_nvs.h> @@ -241,6 +243,33 @@ int acpi_create_madt_lapic_nmi(struct acpi_madt_lapic_nmi *lapic_nmi, return lapic_nmi->length; } +static int acpi_create_madt_irq_overrides(u32 current) +{ + struct acpi_madt_irqoverride *irqovr; + u16 sci_flags = MP_IRQ_TRIGGER_LEVEL | MP_IRQ_POLARITY_HIGH; + int length = 0; + + irqovr = (void *)current; + length += acpi_create_madt_irqoverride(irqovr, 0, 0, 2, 0); + + irqovr = (void *)(current + length); + length += acpi_create_madt_irqoverride(irqovr, 0, 9, 9, sci_flags); + + return length; +} + +__weak u32 acpi_fill_madt(u32 current) +{ + current += acpi_create_madt_lapics(current); + + current += acpi_create_madt_ioapic((struct acpi_madt_ioapic *)current, + io_apic_read(IO_APIC_ID) >> 24, IO_APIC_ADDR, 0); + + current += acpi_create_madt_irq_overrides(current); + + return current; +} + static void acpi_create_madt(struct acpi_madt *madt) { struct acpi_table_header *header = &(madt->header); |