src/console/post.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #include <console/console.h>
   4 #include <stdint.h>
   5
   6 /* Write POST information */
   7 void __weak arch_post_code(uint8_t value) { }
   8 void __weak soc_post_code(uint8_t value) { }
   9
  10 /* Some mainboards have very nice features beyond just a simple display.
  11  * They can override this function.
  12  */
  13 void __weak mainboard_post(uint8_t value) { }
  14
  15 void post_code(uint8_t value)
  16 {
  17         if (!CONFIG(NO_POST)) {
  18                 /* Assume this to be the most reliable and simplest type
  19                    for displaying POST so keep it first. */
  20                 arch_post_code(value);
  21
  22                 soc_post_code(value);
  23
  24                 if (CONFIG(CONSOLE_POST))
  25                         printk(BIOS_INFO, "POST: 0x%02x\n", value);
  26
  27                 mainboard_post(value);
  28         }
  29 }