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/*
* This file is part of uio_usbdebug
*
* Copyright (C) 2013 Nico Huber <nico.h@gmx.de>
*
* 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 <arch/io.h>
#include <device/device.h>
#include <device/pci_ehci.h>
#include <console/usb.h>
extern void *ehci_bar;
pci_devfn_t pci_ehci_dbg_dev(unsigned hcd_idx)
{
u32 class;
pci_devfn_t dev;
#if CONFIG_HAVE_USBDEBUG_OPTIONS
if (hcd_idx==2)
dev = PCI_DEV(0, 0x1a, 0);
else
dev = PCI_DEV(0, 0x1d, 0);
#else
dev = PCI_DEV(0, 0x1d, 7);
#endif
class = pci_read_config32(dev, PCI_CLASS_REVISION) >> 8;
#if CONFIG_HAVE_USBDEBUG_OPTIONS
if (class != PCI_EHCI_CLASSCODE) {
/* If we enter here before RCBA programming, EHCI function may
* appear with the highest function number instead.
*/
dev |= PCI_DEV(0, 0, 7);
class = pci_read_config32(dev, PCI_CLASS_REVISION) >> 8;
}
#endif
if (class != PCI_EHCI_CLASSCODE)
return 0;
return dev;
}
void pci_ehci_dbg_set_port(pci_devfn_t dev, unsigned int port)
{
/* claim USB debug port */
const unsigned long dbgctl_addr =
((unsigned long)ehci_bar) + CONFIG_EHCI_DEBUG_OFFSET;
write32(dbgctl_addr, read32(dbgctl_addr) | (1 << 30));
}
void pci_ehci_dbg_enable(pci_devfn_t dev, unsigned long base)
{
}
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