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/*
* 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.
*
* 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_ids.h>
#include "pch.h"
#include <usbdebug.h>
#include <arch/io.h>
static void usb_ehci_init(struct device *dev)
{
u32 reg32;
/* Disable Wake on Disconnect in RMH */
reg32 = RCBA32(0x35b0);
reg32 |= 0x22;
RCBA32(0x35b0) = reg32;
printk(BIOS_DEBUG, "EHCI: Setting up controller.. ");
if (PCI_SLOT (dev->path.pci.devfn) == 0x1a)
pci_write_config32 (dev, 0x6c, 0x400a2005);
else
pci_write_config32 (dev, 0x6c, 0x40082005);
pci_write_config32 (dev, 0x70, 0x3fdd0000);
pci_write_config32 (dev, 0x84, 0x130c8911);
pci_write_config32 (dev, 0x88, 0xa0);
if (PCI_SLOT (dev->path.pci.devfn) == 0x1a)
pci_write_config32 (dev, 0xec, 0x00629500);
else
pci_write_config32 (dev, 0xec, 0x00a10880);
pci_write_config32 (dev, 0xf4, 0x80808588);
pci_write_config32 (dev, 0xf4, 0x00808588);
pci_write_config32 (dev, 0xf4, 0x00808588);
pci_write_config32 (dev, 0xfc, 0x301b1728);
reg32 = pci_read_config32(dev, PCI_COMMAND);
reg32 |= PCI_COMMAND_MASTER;
//reg32 |= PCI_COMMAND_SERR;
pci_write_config32(dev, PCI_COMMAND, reg32);
printk(BIOS_DEBUG, "done.\n");
}
static void usb_ehci_set_subsystem(device_t 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);
if (!vendor || !device) {
pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID,
pci_read_config32(dev, PCI_VENDOR_ID));
} else {
pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID,
((device & 0xffff) << 16) | (vendor & 0xffff));
}
/* Restore protection. */
pci_write_config8(dev, 0x80, access_cntl);
}
static void usb_ehci_set_resources(struct device *dev)
{
#if CONFIG_USBDEBUG
u32 usb_debug = 0;
if (PCI_SLOT(dev->path.pci.devfn) == 0x1a)
{
usb_debug = get_ehci_debug();
set_ehci_debug(0);
}
#endif
pci_dev_set_resources(dev);
#if CONFIG_USBDEBUG
if (PCI_SLOT(dev->path.pci.devfn) == 0x1a)
{
struct resource *res;
u32 base;
res = find_resource(dev, 0x10);
if (!res) return;
base = res->base;
set_ehci_debug(usb_debug);
set_ehci_base(base);
report_resource_stored(dev, res, "");
}
#endif
}
static struct pci_operations lops_pci = {
.set_subsystem = &usb_ehci_set_subsystem,
};
static struct device_operations usb_ehci_ops = {
.read_resources = pci_dev_read_resources,
.set_resources = usb_ehci_set_resources,
.enable_resources = pci_dev_enable_resources,
.init = usb_ehci_init,
.scan_bus = 0,
.ops_pci = &lops_pci,
};
static const unsigned short pci_device_ids[] = { 0x3b34, 0x3b3c, 0 };
static const struct pci_driver pch_usb_ehci __pci_driver = {
.ops = &usb_ehci_ops,
.vendor = PCI_VENDOR_ID_INTEL,
.devices = pci_device_ids,
};
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