| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright 2015 MediaTek Inc. |
| * |
| * 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. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #include <boardid.h> |
| #include <gpio.h> |
| #include <console/console.h> |
| #include <stdlib.h> |
| #include "gpio.h" |
| |
| static int board_id_value = -1; |
| |
| static uint8_t get_board_id(void) |
| { |
| uint8_t bid = 0; |
| static gpio_t pins[] = {[2] = BOARD_ID_2, [1] = BOARD_ID_1, |
| [0] = BOARD_ID_0}; |
| |
| bid = gpio_base2_value(pins, ARRAY_SIZE(pins)); |
| |
| printk(BIOS_INFO, "Board ID %d\n", bid); |
| |
| return bid; |
| } |
| |
| uint8_t board_id(void) |
| { |
| if (board_id_value < 0) |
| board_id_value = get_board_id(); |
| |
| return board_id_value; |
| } |
| |
| uint32_t ram_code(void) |
| { |
| uint32_t code; |
| static gpio_t pins[] = {[3] = RAM_ID_3, [2] = RAM_ID_2, [1] = RAM_ID_1, |
| [0] = RAM_ID_0}; |
| |
| code = gpio_base2_value(pins, ARRAY_SIZE(pins)); |
| |
| printk(BIOS_INFO, "RAM Config: %u\n", code); |
| |
| return code; |
| } |