/* * 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 <build.h> #include <arch/hlt.h> #include <arch/io.h> #if CONFIG_CONSOLE_SERIAL8250 || CONFIG_CONSOLE_SERIAL8250MEM #include <uart8250.h> #endif #if CONFIG_CONSOLE_NE2K #include <console/ne2k.h> #endif #ifndef __PRE_RAM__ #include <string.h> #include <pc80/mc146818rtc.h> /* initialize the console */ void console_init(void) { struct console_driver *driver; if(get_option(&console_loglevel, "debug_level")) console_loglevel=CONFIG_DEFAULT_CONSOLE_LOGLEVEL; for(driver = console_drivers; driver < econsole_drivers; driver++) { if (!driver->init) continue; driver->init(); } } static void __console_tx_byte(unsigned char byte) { struct console_driver *driver; for(driver = console_drivers; driver < econsole_drivers; driver++) { driver->tx_byte(byte); } } void console_tx_flush(void) { struct console_driver *driver; for(driver = console_drivers; driver < econsole_drivers; driver++) { if (!driver->tx_flush) continue; driver->tx_flush(); } } void console_tx_byte(unsigned char byte) { if (byte == '\n') __console_tx_byte('\r'); __console_tx_byte(byte); } unsigned char console_rx_byte(void) { struct console_driver *driver; for(driver = console_drivers; driver < econsole_drivers; driver++) { if (driver->tst_byte) break; } if (driver == econsole_drivers) return 0; while (!driver->tst_byte()); return driver->rx_byte(); } int console_tst_byte(void) { struct console_driver *driver; for(driver = console_drivers; driver < econsole_drivers; driver++) if (driver->tst_byte) return driver->tst_byte(); return 0; } #else void console_init(void) { #if CONFIG_USBDEBUG enable_usbdebug(CONFIG_USBDEBUG_DEFAULT_PORT); early_usbdebug_init(); #endif #if CONFIG_CONSOLE_SERIAL8250 uart_init(); #endif #if CONFIG_DRIVERS_OXFORD_OXPCIE && CONFIG_CONSOLE_SERIAL8250MEM oxford_init(); #endif #if CONFIG_CONSOLE_NE2K ne2k_init(CONFIG_CONSOLE_NE2K_IO_PORT); #endif static const char console_test[] = "\n\ncoreboot-" COREBOOT_VERSION COREBOOT_EXTRA_VERSION " " COREBOOT_BUILD " starting...\n"; print_info(console_test); } #endif