| /* 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__ */ |