| /* |
| * 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 <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 <soc/acpi.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 = scan_usb_bus, |
| .acpi_name = soc_acpi_name, |
| .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, |
| }; |