/* * This file is part of the coreboot project. * * Copyright (C) 2007 AMD * Written by Yinghai Lu <yinghai.lu@amd.com> for AMD. * * 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 <string.h> #include <console/console.h> #include <console/usb.h> static void dbgp_init(void) { usbdebug_init(); } static void dbgp_tx_byte(unsigned char data) { usb_tx_byte(0, data); } static unsigned char dbgp_rx_byte(void) { return usb_rx_byte(0); } static void dbgp_tx_flush(void) { usb_tx_flush(0); } static int dbgp_tst_byte(void) { return usb_can_rx_byte(0); } static const struct console_driver usbdebug_direct_console __console = { .init = dbgp_init, .tx_byte = dbgp_tx_byte, .tx_flush = dbgp_tx_flush, .rx_byte = dbgp_rx_byte, .tst_byte = dbgp_tst_byte, };