| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2016 Intel Corporation. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; version 2 of the License. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| */ |
| #include "board_id.h" |
| #include <ec/acpi/ec.h> |
| #include <stdint.h> |
| |
| /* |
| * Get Board ID via EC I/O port write/read |
| */ |
| int get_board_id(void) |
| { |
| uint8_t buffer[2]; |
| uint8_t index; |
| if (send_ec_command(EC_FAB_ID_CMD) == 0) { |
| for (index = 0; index < sizeof(buffer); index++) |
| buffer[index] = recv_ec_data(); |
| return (buffer[1] << 8) | buffer[0]; |
| } |
| return -1; |
| } |