src/southbridge/intel/ibexpeak/madt.c

/* SPDX-License-Identifier: GPL-2.0-only */
/* This file is part of the coreboot project. */

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

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

	/* IOAPIC */
	current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *) current,
					   1, IO_APIC_ADDR, 0);

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

	/* 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);
	current += acpi_create_madt_lapic_nmi((acpi_madt_lapic_nmi_t *)
					      current, 2, MP_IRQ_POLARITY_HIGH |
					      MP_IRQ_TRIGGER_EDGE, 0x01);
	current += acpi_create_madt_lapic_nmi((acpi_madt_lapic_nmi_t *)
					      current, 3, MP_IRQ_POLARITY_HIGH |
					      MP_IRQ_TRIGGER_EDGE, 0x01);
	return current;
}