src/include/boardid.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #ifndef __INCLUDE_BOARDID_H__
   4 #define __INCLUDE_BOARDID_H__
   5
   6 #include <stdint.h>
   7
   8 #define UNDEFINED_STRAPPING_ID (~0)
   9
  10 #define BOARD_ID_UNKNOWN        ~((uint32_t)0)  /* unsigned equivalent to -1 */
  11 #define BOARD_ID_INIT           ~((uint32_t)1)  /* unsigned equivalent to -2 */
  12 /**
  13  * board_id() - Get the board version
  14  *
  15  * Return: board version on success, BOARD_ID_UNKNOWN on failure/error.
  16  *
  17  * This function is used to get the mainboard version.
  18  */
  19 uint32_t board_id(void);        /* differentiates revisions */
  20 uint32_t ram_code(void);        /* identifies installed DRAM modules */
  21 uint32_t sku_id(void);          /* differentiates other optional components */
  22
  23 #endif /* __INCLUDE_BOARDID_H__ */