| Aamir Bohra | 6fed468 | 2016-11-08 14:06:17 +0530 | [diff] [blame] | 1 | /* |
| 2 | * This file is part of the coreboot project. |
| 3 | * |
| 4 | * Copyright (C) 2016 Intel Corporation. |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; version 2 of the License. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | */ |
| 15 | #include "board_id.h" |
| 16 | #include <ec/acpi/ec.h> |
| 17 | #include <stdint.h> |
| 18 | |
| 19 | /* |
| 20 | * Get Board ID via EC I/O port write/read |
| 21 | */ |
| 22 | int get_board_id(void) |
| 23 | { |
| 24 | uint8_t buffer[2]; |
| 25 | uint8_t index; |
| 26 | if (send_ec_command(EC_FAB_ID_CMD) == 0) { |
| 27 | for (index = 0; index < sizeof(buffer); index++) |
| 28 | buffer[index] = recv_ec_data(); |
| 29 | return (buffer[1] << 8) | buffer[0]; |
| 30 | } |
| 31 | return -1; |
| 32 | } |