coreboot-kgpe-d16/src/mainboard/google/kukui/mainboard.c
Tristan Shieh 8db79c1386 google/kukui: Configure EMMC
Set up EMMC gpios for payloads.

BUG=b:80501386
BRANCH=none
TEST=Boots correctly on Kukui

Change-Id: I1e7ee9bfe3a26ed04374e8c74243f48552a1d254
Signed-off-by: Tristan Shieh <tristan.shieh@mediatek.com>
Reviewed-on: https://review.coreboot.org/28546
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Hung-Te Lin <hungte@chromium.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>
2018-09-16 08:35:44 +00:00

47 lines
1.2 KiB
C

/*
* This file is part of the coreboot project.
*
* Copyright 2018 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 <device/device.h>
#include <soc/gpio.h>
#include <soc/mmu_operations.h>
static void configure_emmc(void)
{
const gpio_t emmc_pin[] = {
GPIO(MSDC0_DAT0), GPIO(MSDC0_DAT1),
GPIO(MSDC0_DAT2), GPIO(MSDC0_DAT3),
GPIO(MSDC0_DAT4), GPIO(MSDC0_DAT5),
GPIO(MSDC0_DAT6), GPIO(MSDC0_DAT7),
GPIO(MSDC0_CMD), GPIO(MSDC0_RSTB),
};
for (size_t i = 0; i < ARRAY_SIZE(emmc_pin); i++)
gpio_set_pull(emmc_pin[i], GPIO_PULL_ENABLE, GPIO_PULL_UP);
}
static void mainboard_init(struct device *dev)
{
configure_emmc();
}
static void mainboard_enable(struct device *dev)
{
dev->ops->init = &mainboard_init;
}
struct chip_operations mainboard_ops = {
.name = CONFIG_MAINBOARD_PART_NUMBER,
.enable_dev = mainboard_enable,
};