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/*
* 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>
/*
* 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 int get_option(void *dest, const char *name) { return -1; }
#endif
/* 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();
}
}
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_USBDEBUG
enable_usbdebug(CONFIG_USBDEBUG_DEFAULT_PORT);
early_usbdebug_init();
#endif
#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
cbmemc_init();
#endif
#if CONFIG_SPKMODEM
spkmodem_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
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