src/southbridge/intel/i82371eb/usb.c

/*
 * This file is part of the coreboot project.
 *
 * Copyright (C) 2007 Uwe Hermann <uwe@hermann-uwe.de>
 *
 * 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; either version 2 of the License, or
 * (at your option) any later version.
 *
 * 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 <stdint.h>
#include <device/device.h>
#include <device/pci.h>
#include <device/pci_ids.h>
#include "i82371eb.h"

/**
 * Initialize the USB (UHCI) controller.
 *
 * Depending on the configuration variable 'usb_enable', enable or
 * disable the USB (UHCI) controller.
 *
 * @param dev The device to use.
 */
static void usb_init(struct device *dev)
{
	/* TODO: No special init needed? */
}

static const struct device_operations usb_ops = {
	.read_resources		= pci_dev_read_resources,
	.set_resources		= pci_dev_set_resources,
	.enable_resources	= pci_dev_enable_resources,
	.init			= usb_init,
	.scan_bus		= 0,
	.enable			= 0,
	.ops_pci		= 0, /* No subsystem IDs on 82371EB! */
};

/* Note: No USB on 82371FB/MX (PIIX/MPIIX) and 82437MX. */

/* Intel 82371SB (PIIX3) */
static const struct pci_driver usb_driver_sb __pci_driver = {
	.ops	= &usb_ops,
	.vendor	= PCI_VENDOR_ID_INTEL,
	.device	= PCI_DEVICE_ID_INTEL_82371SB_USB,
};

/* Intel 82371AB/EB/MB (PIIX4/PIIX4E/PIIX4M) */
/* The 440MX (82443MX) consists of 82443BX + 82371EB (uses same PCI IDs). */
static const struct pci_driver usb_driver_ab_eb_mb __pci_driver = {
	.ops	= &usb_ops,
	.vendor	= PCI_VENDOR_ID_INTEL,
	.device	= PCI_DEVICE_ID_INTEL_82371AB_USB,
};