init.c

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/* SPDX-License-Identifier: GPL-2.0-only */
 
#include <commonlib/helpers.h>
#include <console/cbmem_console.h>
#include <console/console.h>
#include <console/uart.h>
#include <console/streams.h>
#include <device/pci.h>
#include <option.h>
#include <version.h>
 
#define FIRST_CONSOLE (ENV_BOOTBLOCK || (CONFIG(NO_BOOTBLOCK_CONSOLE) && ENV_ROMSTAGE))
 
static int console_inited;
static int console_loglevel;
 
int get_log_level(void)
{
        if (console_inited == 0)
                return -1;
 
        return console_loglevel;
}
 
static void init_log_level(void)
{
        console_loglevel = get_console_loglevel();
 
        if (!FIRST_CONSOLE)
                console_loglevel = get_uint_option("debug_level", console_loglevel);
}
 
int console_log_level(int msg_level)
{
        int log_level = get_log_level();
 
        if (log_level < 0)
                return CONSOLE_LOG_NONE;
 
        if (msg_level <= log_level)
                return CONSOLE_LOG_ALL;
 
        if (CONFIG(CONSOLE_CBMEM) && (msg_level <= BIOS_DEBUG))
                return CONSOLE_LOG_FAST;
 
        return 0;
}
 
void console_init(void)
{
        init_log_level();
 
        if (CONFIG(DEBUG_CONSOLE_INIT))
                console_inited = 1;
 
        if (CONFIG(EARLY_PCI_BRIDGE) && (ENV_BOOTBLOCK || ENV_ROMSTAGE))
                pci_early_bridge_init();
 
        console_hw_init();
 
        console_inited = 1;
 
        if (ENV_BOOTBLOCK && CONFIG(CONSOLE_CBMEM_PRINT_PRE_BOOTBLOCK_CONTENTS))
                cbmem_dump_console();
 
        printk(BIOS_NOTICE, "\n\ncoreboot-%s%s %s " ENV_STRING " starting (log level: %i)...\n",
               coreboot_version, coreboot_extra_version, coreboot_build,
               get_log_level());
}