/* * 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. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc. */ #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) { }