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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2010 Advanced Micro Devices, Inc.
*
* 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 <compiler.h>
#include <console/console.h>
#include <device/device.h>
#include <device/pci.h>
#include <device/pci_ids.h>
#include <device/pci_ops.h>
#include <device/pci_ehci.h>
#include <arch/io.h>
#include <soc/pci_devs.h>
#include <soc/southbridge.h>
static void set_usb_over_current(struct device *dev)
{
uint16_t map = USB_OC_DISABLE_ALL;
if (dev->path.pci.devfn == XHCI_DEVFN) {
if (mainboard_get_xhci_oc_map(&map) == 0) {
xhci_pm_write32(XHCI_PM_INDIRECT_INDEX,
XHCI_OVER_CURRENT_CONTROL);
xhci_pm_write16(XHCI_PM_INDIRECT_DATA, map);
}
}
if (dev->path.pci.devfn == EHCI1_DEVFN) {
if (mainboard_get_ehci_oc_map(&map) == 0)
pci_write_config16(dev, EHCI_OVER_CURRENT_CONTROL, map);
}
}
int __weak mainboard_get_xhci_oc_map(uint16_t *map)
{
printk(BIOS_DEBUG, "WEAK: %s/%s called\n", __FILE__, __func__);
return -1;
}
int __weak mainboard_get_ehci_oc_map(uint16_t *map)
{
printk(BIOS_DEBUG, "WEAK: %s/%s called\n", __FILE__, __func__);
return -1;
}
static struct pci_operations lops_pci = {
.set_subsystem = pci_dev_set_subsystem,
};
static struct device_operations usb_ops = {
.read_resources = pci_ehci_read_resources,
.set_resources = pci_dev_set_resources,
.enable_resources = pci_dev_enable_resources,
.init = set_usb_over_current,
.scan_bus = NULL,
.ops_pci = &lops_pci,
};
static const unsigned short pci_device_ids[] = {
PCI_DEVICE_ID_AMD_SB900_USB_18_0,
PCI_DEVICE_ID_AMD_SB900_USB_18_2,
PCI_DEVICE_ID_AMD_SB900_USB_20_5,
PCI_DEVICE_ID_AMD_CZ_USB_0,
PCI_DEVICE_ID_AMD_CZ_USB_1,
PCI_DEVICE_ID_AMD_CZ_USB3_0,
0
};
static const struct pci_driver usb_0_driver __pci_driver = {
.ops = &usb_ops,
.vendor = PCI_VENDOR_ID_AMD,
.devices = pci_device_ids,
};
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