Yidi Lin | 3d7b606 | 2015-07-31 17:10:40 +0800 | [diff] [blame] | 1 | /* |
| 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. |
Yidi Lin | 3d7b606 | 2015-07-31 17:10:40 +0800 | [diff] [blame] | 14 | */ |
| 15 | |
| 16 | #include <arch/io.h> |
henryc.chen | 31ae314 | 2015-07-31 17:10:52 +0800 | [diff] [blame] | 17 | #include <boardid.h> |
Yidi Lin | 3d7b606 | 2015-07-31 17:10:40 +0800 | [diff] [blame] | 18 | #include <bootblock_common.h> |
| 19 | #include <delay.h> |
Biao Huang | 9d48e17 | 2015-07-31 17:10:56 +0800 | [diff] [blame] | 20 | #include <soc/gpio.h> |
henryc.chen | 31ae314 | 2015-07-31 17:10:52 +0800 | [diff] [blame] | 21 | #include <soc/mt6391.h> |
Yidi Lin | 3d7b606 | 2015-07-31 17:10:40 +0800 | [diff] [blame] | 22 | #include <soc/pericfg.h> |
Biao Huang | 9d48e17 | 2015-07-31 17:10:56 +0800 | [diff] [blame] | 23 | #include <soc/pinmux.h> |
Leilk Liu | 2610594 | 2015-07-31 17:10:46 +0800 | [diff] [blame^] | 24 | #include <soc/spi.h> |
Biao Huang | 9d48e17 | 2015-07-31 17:10:56 +0800 | [diff] [blame] | 25 | |
Yidi Lin | 65873ca | 2015-07-31 17:10:57 +0800 | [diff] [blame] | 26 | #include "gpio.h" |
| 27 | |
Biao Huang | 9d48e17 | 2015-07-31 17:10:56 +0800 | [diff] [blame] | 28 | static void i2c_set_gpio_pinmux(void) |
| 29 | { |
| 30 | gpio_set_mode(PAD_SDA1, PAD_SDA1_FUNC_SDA1); |
| 31 | gpio_set_mode(PAD_SCL1, PAD_SCL1_FUNC_SCL1); |
| 32 | gpio_set_mode(PAD_SDA4, PAD_SDA4_FUNC_SDA4); |
| 33 | gpio_set_mode(PAD_SCL4, PAD_SCL4_FUNC_SCL4); |
| 34 | } |
Yidi Lin | 3d7b606 | 2015-07-31 17:10:40 +0800 | [diff] [blame] | 35 | |
| 36 | void bootblock_mainboard_early_init(void) |
| 37 | { |
| 38 | /* Clear UART0 power down signal */ |
| 39 | clrbits_le32(&mt8173_pericfg->pdn0_set, PERICFG_UART0_PDN); |
| 40 | } |
| 41 | |
| 42 | void bootblock_mainboard_init(void) |
| 43 | { |
Biao Huang | 9d48e17 | 2015-07-31 17:10:56 +0800 | [diff] [blame] | 44 | /* adjust gpio params when external voltage is 1.8V */ |
| 45 | gpio_init(GPIO_EINT_1P8V); |
| 46 | |
| 47 | /* set i2c related gpio */ |
| 48 | i2c_set_gpio_pinmux(); |
Yidi Lin | 65873ca | 2015-07-31 17:10:57 +0800 | [diff] [blame] | 49 | |
Leilk Liu | 2610594 | 2015-07-31 17:10:46 +0800 | [diff] [blame^] | 50 | mtk_spi_init(CONFIG_EC_GOOGLE_CHROMEEC_SPI_BUS, SPI_PAD1_MASK, 6*MHz); |
| 51 | |
Yidi Lin | 65873ca | 2015-07-31 17:10:57 +0800 | [diff] [blame] | 52 | setup_chromeos_gpios(); |
henryc.chen | 31ae314 | 2015-07-31 17:10:52 +0800 | [diff] [blame] | 53 | |
| 54 | if (board_id() < 4) |
| 55 | mt6391_enable_reset_when_ap_resets(); |
Yidi Lin | 3d7b606 | 2015-07-31 17:10:40 +0800 | [diff] [blame] | 56 | } |