64 lines
1.6 KiB
C
64 lines
1.6 KiB
C
/*
|
|
* 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)
|
|
{
|
|
}
|