| /* SPDX-License-Identifier: GPL-2.0-only */ |
| /* This file is part of the coreboot project. */ |
| |
| #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__ */ |