src/mainboard/lenovo/t400/acpi_tables.c

/*
 * This file is part of the coreboot project.
 *
 * Copyright (C) 2007-2009 coresystems GmbH
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; version 2 of
 * the License.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 */

#include <string.h>
#include <console/console.h>
#include <arch/io.h>
#include <arch/ioapic.h>
#include <arch/acpi.h>
#include <arch/acpigen.h>
#include <arch/smp/mpspec.h>
#include <device/device.h>
#include <device/pci.h>
#include <device/pci_ids.h>

#include "southbridge/intel/i82801ix/nvs.h"
void acpi_create_gnvs(global_nvs_t *gnvs)
{
	memset((void *)gnvs, 0, sizeof(*gnvs));
	gnvs->apic = 1;
	gnvs->mpen = 1; /* Enable Multi Processing */

	/* Enable both COM ports */
	gnvs->cmap = 0x01;
	gnvs->cmbp = 0x01;

}

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,
				2, IO_APIC_ADDR, 0);

	/* 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;
}