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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.
*/
#include <arch/early_variables.h>
#include <console/console.h>
#include <console/uart.h>
#include <console/streams.h>
#include <device/pci.h>
#include <option.h>
#include <version.h>
/* Mutable console log level only allowed when RAM comes online. */
#if defined(__PRE_RAM__)
#define CONSOLE_LEVEL_CONST 1
#else
#define CONSOLE_LEVEL_CONST 0
#endif
static int console_inited CAR_GLOBAL;
static int console_loglevel = CONFIG_DEFAULT_CONSOLE_LOGLEVEL;
static inline int get_log_level(void)
{
if (car_get_var(console_inited) == 0)
return -1;
if (CONSOLE_LEVEL_CONST)
return get_console_loglevel();
return console_loglevel;
}
static inline void set_log_level(int new_level)
{
if (CONSOLE_LEVEL_CONST)
return;
console_loglevel = new_level;
}
static void init_log_level(void)
{
int debug_level = get_console_loglevel();
if (CONSOLE_LEVEL_CONST)
return;
get_option(&debug_level, "debug_level");
set_log_level(debug_level);
}
int console_log_level(int msg_level)
{
return (get_log_level() >= msg_level);
}
asmlinkage void console_init(void)
{
init_log_level();
if (IS_ENABLED(CONFIG_DEBUG_CONSOLE_INIT))
car_set_var(console_inited, 1);
#if IS_ENABLED(CONFIG_EARLY_PCI_BRIDGE)
if (!ENV_SMM && !ENV_RAMSTAGE)
pci_early_bridge_init();
#endif
console_hw_init();
car_set_var(console_inited, 1);
printk(BIOS_NOTICE, "\n\ncoreboot-%s%s %s " ENV_STRING " starting...\n",
coreboot_version, coreboot_extra_version, coreboot_build);
}
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