boardid.h

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/* SPDX-License-Identifier: GPL-2.0-only */
 
#ifndef __INCLUDE_BOARDID_H__
#define __INCLUDE_BOARDID_H__
 
#include <stdint.h>
 
#define UNDEFINED_STRAPPING_ID (~0)
 
#define BOARD_ID_UNKNOWN        ~((uint32_t)0)  /* unsigned equivalent to -1 */
#define BOARD_ID_INIT           ~((uint32_t)1)  /* unsigned equivalent to -2 */
/**
 * board_id() - Get the board version
 *
 * Return: board version on success, BOARD_ID_UNKNOWN on failure/error.
 *
 * This function is used to get the mainboard version.
 */
uint32_t board_id(void);        /* differentiates revisions */
uint32_t ram_code(void);        /* identifies installed DRAM modules */
uint32_t sku_id(void);          /* differentiates other optional components */
 
#endif /* __INCLUDE_BOARDID_H__ */