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/*
* This file is part of the coreboot project.
*
* Copyright 2016 Rockchip 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 <boardid.h>
#include <device/device.h>
#include <gpio.h>
#include <soc/clock.h>
#include <soc/grf.h>
static void configure_sdmmc(void)
{
gpio_output(GPIO(4, D, 5), 1); /* SDMMC_PWR_EN */
gpio_output(GPIO(2, A, 2), 1); /* SDMMC_SDIO_PWR_EN */
/*
* SDMMC_DET_L is different on different board revisions.
* Ideally this and other deviations should come from a table
* which could be looked up by board revision.
*/
switch (board_id()) {
case 0: /* This is for Kevin proto 1. */
gpio_input(GPIO(4, D, 2));
break;
default:
gpio_input(GPIO(4, D, 0));
break;
}
gpio_output(GPIO(2, D, 4), 0); /* Keep the max voltage */
write32(&rk3399_grf->iomux_sdmmc, IOMUX_SDMMC);
}
static void mainboard_init(device_t dev)
{
configure_sdmmc();
}
static void mainboard_enable(device_t dev)
{
dev->ops->init = &mainboard_init;
}
struct chip_operations mainboard_ops = {
.name = CONFIG_MAINBOARD_PART_NUMBER,
.enable_dev = mainboard_enable,
};
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