| /* |
| * 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> |
| |
| #ifndef __PRE_RAM__ |
| #include <string.h> |
| #include <types.h> |
| |
| /* |
| * FIXME: get_option() needs to be abstracted better so that other non-volatile |
| * storage can be used. This will benefit machines without CMOS as well as those |
| * without a battery-backed CMOS (e.g. some laptops). |
| */ |
| #if CONFIG_USE_OPTION_TABLE |
| #include <pc80/mc146818rtc.h> |
| #else |
| static inline enum cb_err get_option(void *dest, const char *name) |
| { return CB_CMOS_OTABLE_DISABLED; } |
| #endif |
| |
| /* initialize the console */ |
| void console_init(void) |
| { |
| struct console_driver *driver; |
| if(get_option(&console_loglevel, "debug_level") != CB_SUCCESS) |
| console_loglevel=CONFIG_DEFAULT_CONSOLE_LOGLEVEL; |
| |
| for(driver = console_drivers; driver < econsole_drivers; driver++) { |
| if (!driver->init) |
| continue; |
| driver->init(); |
| } |
| } |
| |
| 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(); |
| } |
| } |
| |
| 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_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 // __PRE_RAM__ ^^^ NOT defined vvv defined |
| |
| void console_init(void) |
| { |
| #if defined(__BOOT_BLOCK__) && CONFIG_BOOTBLOCK_CONSOLE || \ |
| !defined(__BOOT_BLOCK__) && CONFIG_EARLY_CONSOLE |
| |
| #if CONFIG_CONSOLE_SERIAL |
| 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 |
| #if CONFIG_CONSOLE_CBMEM && CONFIG_EARLY_CBMEM_INIT && !defined(__BOOT_BLOCK__) |
| cbmemc_init(); |
| #endif |
| #if CONFIG_SPKMODEM |
| spkmodem_init(); |
| #endif |
| #if CONFIG_USBDEBUG_IN_ROMSTAGE && !defined(__BOOT_BLOCK__) |
| usbdebug_init(); |
| #endif |
| |
| static const char console_test[] = |
| "\n\ncoreboot-" |
| COREBOOT_VERSION |
| COREBOOT_EXTRA_VERSION |
| " " |
| COREBOOT_BUILD |
| " starting...\n"; |
| print_info(console_test); |
| |
| #endif /* CONFIG_EARLY_CONSOLE */ |
| } |
| #endif |