src/southbridge/intel/i82801ix/madt.c

/* SPDX-License-Identifier: GPL-2.0-only */

#include <acpi/acpi.h>
#include <arch/ioapic.h>
#include <arch/smp/mpspec.h>

unsigned long acpi_fill_madt(unsigned long current)
{
	/* Local APICs */
	current = acpi_create_madt_lapics(current);

	/* IOAPIC */
	current += acpi_create_madt_ioapic_from_hw((acpi_madt_ioapic_t *)current, IO_APIC_ADDR);

	/* LAPIC_NMI */
	current += acpi_create_madt_lapic_nmi((acpi_madt_lapic_nmi_t *)
				current, 0,
				MP_IRQ_POLARITY_HIGH |
				MP_IRQ_TRIGGER_EDGE, 0x01);
	current += acpi_create_madt_lapic_nmi((acpi_madt_lapic_nmi_t *)
				current, 1, MP_IRQ_POLARITY_HIGH |
				MP_IRQ_TRIGGER_EDGE, 0x01);

	/* INT_SRC_OVR */
	current += acpi_create_madt_irqoverride((acpi_madt_irqoverride_t *)
		 current, 0, 0, 2, MP_IRQ_POLARITY_HIGH | MP_IRQ_TRIGGER_EDGE);
	current += acpi_create_madt_irqoverride((acpi_madt_irqoverride_t *)
		 current, 0, 9, 9, MP_IRQ_POLARITY_HIGH | MP_IRQ_TRIGGER_LEVEL);

	return current;
}