/* * This file is part of the coreboot project. * * Copyright (C) 2003 Eric Biederman * * 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 <console/console.h> #include <uart8250.h> #include <pc80/mc146818rtc.h> static void ttyS0_init(void) { uart_init(); } static void ttyS0_tx_byte(unsigned char data) { uart8250_tx_byte(CONFIG_TTYS0_BASE, data); } static void ttyS0_tx_flush(void) { uart8250_tx_flush(CONFIG_TTYS0_BASE); } static unsigned char ttyS0_rx_byte(void) { return uart8250_rx_byte(CONFIG_TTYS0_BASE); } static int ttyS0_tst_byte(void) { return uart8250_can_rx_byte(CONFIG_TTYS0_BASE); } static const struct console_driver uart8250_console __console = { .init = ttyS0_init, .tx_byte = ttyS0_tx_byte, .tx_flush = ttyS0_tx_flush, .rx_byte = ttyS0_rx_byte, .tst_byte = ttyS0_tst_byte, };