/*
 * This file is part of the LinuxBIOS project.
 *
 * Copyright (C) 2007 Rudolf Marek <r.marek@assembler.cz>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License v2 as published by
 * the Free Software Foundation.
 *
 * 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.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
 */

#include <console/console.h>
#include <device/device.h>
#include <device/pci.h>
#include <device/pci_ops.h>
#include <device/pci_ids.h>
#include "vt8237r.h"

static void sata_init(struct device *dev)
{
	uint8_t	reg;

	printk_debug("Configuring VIA SATA Controller\n");

	/* class IDE Disk */
	reg = pci_read_config8(dev, 0x45);
	reg &= 0x7f; /* Sub Class Write Protect off */
	pci_write_config8(dev, 0x45, reg);
	pci_write_config8(dev, 0xa, 0x1);
	reg |= 0x80; /* Sub Class Write Protect on */
	pci_write_config8(dev, 0x45, reg);

}

static struct device_operations sata_ops = {
	.read_resources   = pci_dev_read_resources,
	.set_resources    = pci_dev_set_resources,
	.enable_resources = pci_dev_enable_resources,
	.init             = sata_init,
	.enable           = 0,
	.ops_pci          = 0,
};

static struct pci_driver northbridge_driver __pci_driver = {
	.ops    = &sata_ops,
	.vendor = PCI_VENDOR_ID_VIA,
	.device = 0x3149,
};