blob: e9a7776d46dbc01ae6fd4905ab4616c28939f155 [file] [log] [blame]
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2007 AMD
* Written by Yinghai Lu <yinghai.lu@amd.com> for AMD.
*
* 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.
*/
#ifndef _PCI_EHCI_H_
#define _PCI_EHCI_H_
#include <device/device.h>
#include <device/pci_type.h>
#define EHCI_BAR_INDEX 0x10
#define PCI_EHCI_CLASSCODE 0x0c0320 /* USB2.0 with EHCI controller */
/* Return PCI BDF for an EHCI controller by a given index. PCI function
* must already be powered to respond to configuration requests.
*/
pci_devfn_t pci_ehci_dbg_dev(unsigned int hcd_idx);
u8 *pci_ehci_base_regs(pci_devfn_t dev);
void pci_ehci_dbg_set_port(pci_devfn_t dev, unsigned int port);
#if !CONFIG(USBDEBUG)
#define pci_ehci_read_resources pci_dev_read_resources
#else
/* Relocation of EHCI Debug Port BAR
*
* PCI EHCI controller with Debug Port capability shall replace
* pci_dev_read_resources() with pci_ehci_read_resources() in its
* declaration of device_operations for .read_resources.
* This installs a hook to reconfigure usbdebug when resource allocator
* assigns a new BAR for the device.
*/
struct device;
void pci_ehci_read_resources(struct device *dev);
#endif
#endif /* _PCI_EHCI_H_ */