040aff2745
Use of device_t has been abandoned in ramstage. Change-Id: I043f4169ad080f9a449c8780500332c9512b62ff Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr> Reviewed-on: https://review.coreboot.org/26583 Reviewed-by: Nico Huber <nico.h@gmx.de> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
79 lines
2.1 KiB
C
79 lines
2.1 KiB
C
/*
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* This file is part of the coreboot project.
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*
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* Copyright (C) 2008-2009 coresystems GmbH
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* Copyright (C) 2014 Google Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <console/console.h>
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#include <delay.h>
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#include <device/device.h>
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#include <device/pci.h>
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#include <device/pci_ids.h>
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#include <device/pci_ehci.h>
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#include <arch/io.h>
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#include <soc/ehci.h>
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#include <soc/pch.h>
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static void usb_ehci_set_subsystem(struct device *dev, unsigned int vendor,
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unsigned int device)
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{
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u8 access_cntl;
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access_cntl = pci_read_config8(dev, 0x80);
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/* Enable writes to protected registers. */
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pci_write_config8(dev, 0x80, access_cntl | 1);
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if (!vendor || !device) {
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pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID,
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pci_read_config32(dev, PCI_VENDOR_ID));
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} else {
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pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID,
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((device & 0xffff) << 16) | (vendor & 0xffff));
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}
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/* Restore protection. */
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pci_write_config8(dev, 0x80, access_cntl);
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}
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static void ehci_enable(struct device *dev)
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{
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if (CONFIG_USBDEBUG)
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dev->enabled = 1;
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else
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pch_disable_devfn(dev);
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}
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static struct pci_operations ehci_ops_pci = {
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.set_subsystem = &usb_ehci_set_subsystem,
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};
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static struct device_operations usb_ehci_ops = {
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.read_resources = &pci_ehci_read_resources,
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.set_resources = &pci_dev_set_resources,
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.enable_resources = &pci_dev_enable_resources,
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.ops_pci = &ehci_ops_pci,
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.enable = &ehci_enable,
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};
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static const unsigned short pci_device_ids[] = {
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0x9c26, /* LynxPoint-LP */
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0x9ca6, /* WildcatPoint */
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0
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};
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static const struct pci_driver pch_usb_ehci __pci_driver = {
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.ops = &usb_ehci_ops,
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.vendor = PCI_VENDOR_ID_INTEL,
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.devices = pci_device_ids,
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};
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