src/northbridge/intel/pineview/acpi.c

/*
 * This file is part of the coreboot project.
 *
 * Copyright (C) 2007-2009 coresystems GmbH
 * Copyright (C) 2015  Damien Zammit <damien@zamaudio.com>
 *
 * 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 <arch/acpigen.h>
#include <arch/acpi.h>
#include <device/device.h>
#include <device/pci.h>
#include <northbridge/intel/pineview/pineview.h>
#include <types.h>

unsigned long acpi_fill_mcfg(unsigned long current)
{
	u32 length = 0;
	u32 pciexbar = 0;
	int max_buses;

	if (!decode_pciebar(&pciexbar, &length))
		return current;

	max_buses = length >> 20;
	current += acpi_create_mcfg_mmconfig((acpi_mcfg_mmconfig_t *) current,
			pciexbar, 0x0, 0x0, max_buses - 1);

	return current;
}