blob: 5e623e8ab05b8e17bc790a7d1e41fa78f1ccd3cd [file] [log] [blame]
/*
* 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.
*/
// Use simple device model for this file even in ramstage
#define __SIMPLE_DEVICE__
#include <stdint.h>
#include <device/pci_ops.h>
#include <device/pci_ehci.h>
#include <device/pci_def.h>
#include <soc/pci_devs.h>
#include <soc/southbridge.h>
#include <amdblocks/acpimmio.h>
pci_devfn_t pci_ehci_dbg_dev(unsigned int hcd_idx)
{
pm_io_write8(PM_USB_ENABLE, PM_USB_ALL_CONTROLLERS);
return SOC_EHCI1_DEV;
}
void pci_ehci_dbg_set_port(pci_devfn_t dev, unsigned int port)
{
u32 reg32, value;
value = (port & 0x3) << DEBUG_PORT_SELECT_SHIFT;
value |= DEBUG_PORT_ENABLE;
reg32 = pci_read_config32(SOC_EHCI1_DEV, EHCI_HUB_CONFIG4);
reg32 &= ~DEBUG_PORT_MASK;
reg32 |= value;
pci_write_config32(SOC_EHCI1_DEV, EHCI_HUB_CONFIG4, reg32);
}