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/*
* This file is part of the coreboot project.
*
* Copyright 2014 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 <arch/cache.h>
#include <arch/io.h>
#include <boot/coreboot_tables.h>
#include <console/console.h>
#include <delay.h>
#include <device/device.h>
#include <device/i2c.h>
#include <edid.h>
#include <elog.h>
#include <gpio.h>
#include <soc/display.h>
#include <soc/grf.h>
#include <soc/soc.h>
#include <soc/pmu.h>
#include <soc/clock.h>
#include <soc/rk808.h>
#include <soc/spi.h>
#include <soc/i2c.h>
#include <symbols.h>
#include <vbe.h>
#include <vendorcode/google/chromeos/chromeos.h>
#include "board.h"
static void enable_5v_drv(void)
{
gpio_output(GPIO(7, A, 3), 1); /* 5v_drv enable */
}
static void configure_sdmmc(void)
{
write32(&rk3288_grf->iomux_sdmmc0, IOMUX_SDMMC0);
/* use sdmmc0 io, disable JTAG function */
write32(&rk3288_grf->soc_con0, RK_CLRBITS(1 << 12));
sdmmc_power_on();
gpio_input(GPIO(7, A, 5)); /* SDMMC_DET_L */
}
static void configure_usb(void)
{
gpio_output(GPIO(2, B, 2), 1); /* USB3_PWR_EN */
gpio_output(GPIO(2, B, 3), 1); /* USB2_PWR_EN */
}
static void configure_emmc(void)
{
write32(&rk3288_grf->iomux_emmcdata, IOMUX_EMMCDATA);
write32(&rk3288_grf->iomux_emmcpwren, IOMUX_EMMCPWREN);
write32(&rk3288_grf->iomux_emmccmd, IOMUX_EMMCCMD);
gpio_output(GPIO(2, B, 1), 1); /* EMMC_RST_L */
}
static void configure_i2s(void)
{
write32(&rk3288_grf->iomux_i2s, IOMUX_I2S);
write32(&rk3288_grf->iomux_i2sclk, IOMUX_I2SCLK);
/* AUDIO IO domain 1.8V voltage selection */
write32(&rk3288_grf->io_vsel, RK_SETBITS(1 << 6));
rkclk_configure_i2s(12288000);
}
static void configure_vop(void)
{
write32(&rk3288_grf->iomux_lcdc, IOMUX_LCDC);
/* lcdc(vop) iodomain select 1.8V */
write32(&rk3288_grf->io_vsel, RK_SETBITS(1 << 0));
rk808_configure_ldo(8, 1800); /* VCC18_LCD (HDMI_AVDD_1V8) */
rk808_configure_ldo(7, 1000); /* VDD10_LCD (HDMI_AVDD_1V0) */
rk808_configure_switch(1, 1); /* VCC33_LCD */
}
static void configure_hdmi(void)
{
/* HDMI I2C */
write32(&rk3288_grf->iomux_i2c5sda, IOMUX_HDMI_EDP_I2C_SDA);
write32(&rk3288_grf->iomux_i2c5scl, IOMUX_HDMI_EDP_I2C_SCL);
gpio_output(GPIO(7, A, 2), 1); /* POWER_HDMI_ON */
}
static void mainboard_init(device_t dev)
{
gpio_output(GPIO_RESET, 0);
enable_5v_drv();
configure_usb();
configure_sdmmc();
configure_emmc();
configure_i2s();
configure_vop();
configure_hdmi();
elog_init();
elog_add_watchdog_reset();
elog_add_boot_reason();
}
static void mainboard_enable(device_t dev)
{
dev->ops->init = &mainboard_init;
}
struct chip_operations mainboard_ops = {
.enable_dev = mainboard_enable,
};
void lb_board(struct lb_header *header)
{
struct lb_range *dma;
dma = (struct lb_range *)lb_new_record(header);
dma->tag = LB_TAB_DMA;
dma->size = sizeof(*dma);
dma->range_start = (uintptr_t)_dma_coherent;
dma->range_size = _dma_coherent_size;
if (IS_ENABLED(CONFIG_CHROMEOS)) {
/* Retrieve the MAC addr which would pass to DTS. */
lb_table_add_macs_from_vpd(header);
}
}
void mainboard_power_on_backlight(void)
{
return;
}
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