src/console/init.c

   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 }