/* * This file is part of the coreboot project. * * Copyright (C) 2008 Arastra, Inc. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. * * 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. * */ #include <console/console.h> #include <device/device.h> #include <device/pci.h> #include <device/pci_ids.h> #include <device/pci_ops.h> #include "i3100.h" static void ehci_init(struct device *dev) { } static void 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); /* Write the subsystem vendor and device id */ pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID, ((device & 0xffff) << 16) | (vendor & 0xffff)); /* Restore protection */ pci_write_config8(dev, 0x80, access_cntl); } static struct pci_operations lops_pci = { .set_subsystem = &ehci_set_subsystem, }; static struct device_operations ehci_ops = { .read_resources = pci_dev_read_resources, .set_resources = pci_dev_set_resources, .enable_resources = pci_dev_enable_resources, .init = ehci_init, .scan_bus = 0, .enable = i3100_enable, .ops_pci = &lops_pci, }; static const struct pci_driver ehci_driver __pci_driver = { .ops = &ehci_ops, .vendor = PCI_VENDOR_ID_INTEL, .device = PCI_DEVICE_ID_INTEL_3100_EHCI, }; static const struct pci_driver ehci_driver_ep80579 __pci_driver = { .ops = &ehci_ops, .vendor = PCI_VENDOR_ID_INTEL, .device = PCI_DEVICE_ID_INTEL_EP80579_EHCI, };