/* * 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. */ #include <arch/io.h> #include <boardid.h> #include <bootblock_common.h> #include <delay.h> #include <soc/gpio.h> #include <soc/mt6391.h> #include <soc/pericfg.h> #include <soc/pinmux.h> #include "gpio.h" static void i2c_set_gpio_pinmux(void) { gpio_set_mode(PAD_SDA1, PAD_SDA1_FUNC_SDA1); gpio_set_mode(PAD_SCL1, PAD_SCL1_FUNC_SCL1); gpio_set_mode(PAD_SDA4, PAD_SDA4_FUNC_SDA4); gpio_set_mode(PAD_SCL4, PAD_SCL4_FUNC_SCL4); } void bootblock_mainboard_early_init(void) { /* Clear UART0 power down signal */ clrbits_le32(&mt8173_pericfg->pdn0_set, PERICFG_UART0_PDN); } void bootblock_mainboard_init(void) { /* adjust gpio params when external voltage is 1.8V */ gpio_init(GPIO_EINT_1P8V); /* set i2c related gpio */ i2c_set_gpio_pinmux(); setup_chromeos_gpios(); if (board_id() < 4) mt6391_enable_reset_when_ap_resets(); }