2003-04-22 21:02:15 +02:00
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/*
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2010-09-27 20:49:46 +02:00
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* This file is part of the coreboot project.
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*
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* Copyright (C) 2003 Eric Biederman
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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2003-04-22 21:02:15 +02:00
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*/
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#include <console/console.h>
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2010-03-31 16:34:40 +02:00
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#include <build.h>
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#include <arch/hlt.h>
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2010-05-08 11:14:51 +02:00
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#include <arch/io.h>
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2010-03-31 16:34:40 +02:00
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2010-07-16 22:02:09 +02:00
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#if CONFIG_CONSOLE_NE2K
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#include <console/ne2k.h>
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#endif
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2010-03-31 16:34:40 +02:00
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#ifndef __PRE_RAM__
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2003-04-22 21:02:15 +02:00
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#include <string.h>
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#include <pc80/mc146818rtc.h>
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/* initialize the console */
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void console_init(void)
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{
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struct console_driver *driver;
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2009-06-03 16:19:33 +02:00
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if(get_option(&console_loglevel, "debug_level"))
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2009-06-30 17:17:49 +02:00
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console_loglevel=CONFIG_DEFAULT_CONSOLE_LOGLEVEL;
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2010-04-27 08:56:47 +02:00
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2003-04-22 21:02:15 +02:00
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for(driver = console_drivers; driver < econsole_drivers; driver++) {
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if (!driver->init)
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continue;
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driver->init();
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}
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}
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static void __console_tx_byte(unsigned char byte)
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{
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struct console_driver *driver;
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for(driver = console_drivers; driver < econsole_drivers; driver++) {
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driver->tx_byte(byte);
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}
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}
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void console_tx_flush(void)
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{
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struct console_driver *driver;
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for(driver = console_drivers; driver < econsole_drivers; driver++) {
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2010-04-27 08:56:47 +02:00
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if (!driver->tx_flush)
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2003-04-22 21:02:15 +02:00
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continue;
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driver->tx_flush();
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}
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}
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void console_tx_byte(unsigned char byte)
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{
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if (byte == '\n')
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__console_tx_byte('\r');
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__console_tx_byte(byte);
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}
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2004-03-13 04:40:51 +01:00
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unsigned char console_rx_byte(void)
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{
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struct console_driver *driver;
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2005-12-02 22:52:30 +01:00
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for(driver = console_drivers; driver < econsole_drivers; driver++) {
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2004-03-13 04:40:51 +01:00
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if (driver->tst_byte)
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break;
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2005-12-02 22:52:30 +01:00
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}
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2004-03-13 04:40:51 +01:00
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if (driver == econsole_drivers)
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return 0;
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while (!driver->tst_byte());
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return driver->rx_byte();
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}
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int console_tst_byte(void)
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{
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struct console_driver *driver;
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for(driver = console_drivers; driver < econsole_drivers; driver++)
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if (driver->tst_byte)
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return driver->tst_byte();
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return 0;
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}
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2010-03-31 16:34:40 +02:00
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#else
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void console_init(void)
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{
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2010-07-16 22:02:09 +02:00
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#if CONFIG_CONSOLE_NE2K
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ne2k_init(CONFIG_CONSOLE_NE2K_IO_PORT);
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#endif
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2010-04-27 08:56:47 +02:00
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static const char console_test[] =
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2010-03-31 16:47:43 +02:00
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"\n\ncoreboot-"
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2010-03-31 16:34:40 +02:00
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COREBOOT_VERSION
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COREBOOT_EXTRA_VERSION
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" "
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COREBOOT_BUILD
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2010-03-31 16:47:43 +02:00
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" starting...\n";
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2010-03-31 16:34:40 +02:00
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print_info(console_test);
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}
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#endif
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