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CC Ma86933f82015-07-31 17:10:58 +08001/*
2 * This file is part of the coreboot project.
3 *
4 * Copyright 2015 MediaTek Inc.
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 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
18 */
19
20#include <boardid.h>
21#include <gpio.h>
22#include <console/console.h>
23#include <stdlib.h>
24#include "gpio.h"
25
26static int board_id_value = -1;
27
28static uint8_t get_board_id(void)
29{
30 uint8_t bid = 0;
31 static gpio_t pins[] = {[2] = BOARD_ID_2, [1] = BOARD_ID_1,
32 [0] = BOARD_ID_0};
33
34 bid = gpio_base2_value(pins, ARRAY_SIZE(pins));
35
36 printk(BIOS_INFO, "Board ID %d\n", bid);
37
38 return bid;
39}
40
41uint8_t board_id(void)
42{
43 if (board_id_value < 0)
44 board_id_value = get_board_id();
45
46 return board_id_value;
47}
48
49uint32_t ram_code(void)
50{
51 uint32_t code;
52 static gpio_t pins[] = {[3] = RAM_ID_3, [2] = RAM_ID_2, [1] = RAM_ID_1,
53 [0] = RAM_ID_0};
54
55 code = gpio_base2_value(pins, ARRAY_SIZE(pins));
56
57 printk(BIOS_INFO, "RAM Config: %u\n", code);
58
59 return code;
60}