1  /* SPDX-License-Identifier: GPL-2.0-only */
 2  
 3  #include <commonlib/helpers.h>
 4  #include <console/cbmem_console.h>
 5  #include <console/console.h>
 6  #include <console/uart.h>
 7  #include <console/streams.h>
 8  #include <device/pci.h>
 9  #include <option.h>
10  #include <version.h>
11  
12  #define FIRST_CONSOLE (ENV_BOOTBLOCK || (CONFIG(NO_BOOTBLOCK_CONSOLE) && ENV_SEPARATE_ROMSTAGE))
13  
14  static int console_inited;
15  static int console_loglevel;
16  
17  int get_log_level(void)
18  {
19  	if (console_inited == 0)
20  		return -1;
21  
22  	return console_loglevel;
23  }
24  
25  static void init_log_level(void)
26  {
27  	console_loglevel = get_console_loglevel();
28  
29  	if (!FIRST_CONSOLE)
30  		console_loglevel = get_uint_option("debug_level", console_loglevel);
31  }
32  
33  int console_log_level(int msg_level)
34  {
35  	int log_level = get_log_level();
36  
37  	if (log_level < 0)
38  		return CONSOLE_LOG_NONE;
39  
40  	if (msg_level <= log_level)
41  		return CONSOLE_LOG_ALL;
42  
43  	if (CONFIG(CONSOLE_CBMEM) && (msg_level <= BIOS_DEBUG))
44  		return CONSOLE_LOG_FAST;
45  
46  	return 0;
47  }
48  
49  void console_init(void)
50  {
51  	init_log_level();
52  
53  	if (CONFIG(DEBUG_CONSOLE_INIT))
54  		console_inited = 1;
55  
56  	if (CONFIG(EARLY_PCI_BRIDGE) && (ENV_BOOTBLOCK || ENV_SEPARATE_ROMSTAGE))
57  		pci_early_bridge_init();
58  
59  	console_hw_init();
60  
61  	console_inited = 1;
62  
63  	if (ENV_BOOTBLOCK && CONFIG(CONSOLE_CBMEM_PRINT_PRE_BOOTBLOCK_CONTENTS))
64  		cbmem_dump_console();
65  
66  	printk(BIOS_NOTICE, "\n\ncoreboot-%s%s %s " ENV_ARCH " " ENV_STRING " starting (log level: %i)...\n",
67  	       coreboot_version, coreboot_extra_version, coreboot_build, get_log_level());
68  }