| /* |
| * uio_usbdebug - Run coreboot's usbdebug driver in userspace |
| * |
| * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #include <stdio.h> |
| #include <sys/stat.h> |
| #include <fcntl.h> |
| #include <unistd.h> |
| #include <sys/mman.h> |
| |
| #include <pci/pci.h> |
| |
| /* coreboot's arch/io.h conflicts with libc's sys/io.h, so declare this here: */ |
| int ioperm(unsigned long from, unsigned long num, int turn_on); |
| |
| #include <arch/io.h> |
| #include <console/usb.h> |
| |
| void *ehci_bar; |
| struct pci_access *pci_access; |
| |
| int main(int argc, char *argv[]) |
| { |
| if (argc != 2) { |
| fprintf(stderr, "Usage: %s <uio-dev>\n", argv[0]); |
| return 1; |
| } |
| const int fd = open(argv[1], O_RDWR); |
| if (fd < 0) { |
| perror("Failed to open uio device"); |
| return 2; |
| } |
| ehci_bar = |
| mmap(NULL, 1 << 8, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0); |
| if (MAP_FAILED == ehci_bar) { |
| perror("Failed to map ehci bar"); |
| close(fd); |
| return 3; |
| } |
| |
| ioperm(0x80, 1, 1); |
| |
| pci_access = pci_alloc(); |
| pci_init(pci_access); |
| |
| usbdebug_init(); |
| |
| pci_cleanup(pci_access); |
| munmap(ehci_bar, 1 << 8); |
| close(fd); |
| return 0; |
| } |