blob: a4f5a01dc15752e0f4a88ca68fb9289dd6f39d36 [file] [log] [blame]
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2008-2009 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 <console/console.h>
#include <device/device.h>
#include <device/pci.h>
#include <device/pci_ops.h>
#include <device/pci_ids.h>
#include "i82801jx.h"
#include <device/pci_ehci.h>
static void usb_ehci_init(struct device *dev)
{
u32 reg32;
printk(BIOS_DEBUG, "EHCI: Setting up controller.. ");
reg32 = pci_read_config32(dev, PCI_COMMAND);
reg32 |= PCI_COMMAND_MASTER;
pci_write_config32(dev, PCI_COMMAND, reg32);
printk(BIOS_DEBUG, "done.\n");
}
static void usb_ehci_set_subsystem(struct device *dev, unsigned vendor,
unsigned device)
{
u8 access_cntl;
access_cntl = pci_read_config8(dev, 0x80);
/* Enable writes to protected registers. */
pci_write_config8(dev, 0x80, access_cntl | 1);
pci_dev_set_subsystem(dev, vendor, device);
/* Restore protection. */
pci_write_config8(dev, 0x80, access_cntl);
}
static const unsigned short pci_device_ids[] = {
0x3a3a,
0x3a6a,
0x3a3c,
0x3a6c,
0
};
static struct pci_operations lops_pci = {
.set_subsystem = &usb_ehci_set_subsystem,
};
static struct device_operations usb_ehci_ops = {
.read_resources = pci_ehci_read_resources,
.set_resources = pci_dev_set_resources,
.enable_resources = pci_dev_enable_resources,
.init = usb_ehci_init,
.scan_bus = 0,
.ops_pci = &lops_pci,
};
static const struct pci_driver pch_usb_ehci1 __pci_driver = {
.ops = &usb_ehci_ops,
.vendor = PCI_VENDOR_ID_INTEL,
.devices = pci_device_ids,
};