coreboot-kgpe-d16/src/include/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__ */