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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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <console/console.h>
#include <device/device.h>
#include <arch/cache.h>
#include <delay.h>
#include <edid.h>
#include <vbe.h>
#include <boot/coreboot_tables.h>
#include <device/i2c.h>
#include <soc/rockchip/rk3288/gpio.h>
#include <soc/rockchip/rk3288/soc.h>
#include <soc/rockchip/rk3288/pmu.h>
#include <soc/rockchip/rk3288/clock.h>
#include <soc/rockchip/rk3288/rk808.h>
#include <soc/rockchip/rk3288/spi.h>
#define DRAM_START (CONFIG_SYS_SDRAM_BASE >> 20)
#define DRAM_SIZE CONFIG_DRAM_SIZE_MB
#define DRAM_END (DRAM_START + DRAM_SIZE)
static void setup_gpio(void)
{
/*SOC and TPM reset GPIO, active high.*/
gpio_output(GPIO(0, B, 2), 0);
/* Configure GPIO for lcd_bl_en */
gpio_output(GPIO(7, A, 2), 1);
/*Configure backlight PWM 100% brightness*/
gpio_output(GPIO(7, A, 0), 0);
/* Configure GPIO for lcd_en */
gpio_output(GPIO(7, B, 7), 1);
}
static void setup_iomux(void)
{
/*i2c0 for pmic*/
setbits_le32(&rk3288_pmu->iomux_i2c0scl, IOMUX_I2C0SCL);
setbits_le32(&rk3288_pmu->iomux_i2c0sda, IOMUX_I2C0SDA);
/*i2c1 for tpm*/
writel(IOMUX_I2C1, &rk3288_grf->iomux_i2c1);
/*i2c2 for codec*/
writel(IOMUX_I2C2, &rk3288_grf->iomux_i2c2);
writel(IOMUX_SPI0, &rk3288_grf->iomux_spi0);
writel(IOMUX_I2S, &rk3288_grf->iomux_i2s);
writel(IOMUX_I2SCLK, &rk3288_grf->iomux_i2sclk);
writel(IOMUX_LCDC, &rk3288_grf->iomux_lcdc);
writel(IOMUX_SDMMC0, &rk3288_grf->iomux_sdmmc0);
writel(IOMUX_EMMCDATA, &rk3288_grf->iomux_emmcdata);
writel(IOMUX_EMMCPWREN, &rk3288_grf->iomux_emmcpwren);
writel(IOMUX_EMMCCMD, &rk3288_grf->iomux_emmccmd);
}
static void setup_usb_poweron(void)
{
/* Configure GPIO for usb1_pwr_en */
gpio_output(GPIO(0, B, 3), 1);
/* Configure GPIO for usb2_pwr_en */
gpio_output(GPIO(0, B, 4), 1);
/* Configure GPIO for 5v_drv */
gpio_output(GPIO(7, B, 3), 1);
}
static void configure_sdmmc(void)
{
/* Configure GPIO for sd_en */
gpio_output(GPIO(7, C, 5), 1);
/* Configure GPIO for sd_detec */
gpio_input_pullup(GPIO(7, A, 5));
/*use sdmmc0 io, disable JTAG function*/
writel(RK_CLRBITS(1 << 12), &rk3288_grf->soc_con0);
}
static void configure_emmc(void)
{
/* Configure GPIO for emmc_pwrctrl */
gpio_output(GPIO(7, B, 4), 1);
}
static void configure_i2s(void)
{
/*AUDIO IO domain 1.8V voltage selection*/
writel(RK_SETBITS(1 << 6), &rk3288_grf->io_vsel);
rkclk_configure_i2s(12288000);
}
static void pmic_init(unsigned int bus)
{
rk808_configure_ldo(bus, 4, 1800); /* VCC18_LCD */
rk808_configure_ldo(bus, 5, 1800); /* VCC18_CODEC */
rk808_configure_ldo(bus, 6, 1000); /* VCC10_LCD */
rk808_configure_ldo(bus, 8, 3300); /* VCCIO_SD */
}
static void mainboard_init(device_t dev)
{
setup_iomux();
pmic_init(0);
setup_gpio();
setup_usb_poweron();
configure_sdmmc();
configure_emmc();
configure_i2s();
rockchip_spi_init(CONFIG_EC_GOOGLE_CHROMEEC_SPI_BUS);
}
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 = CONFIG_DRAM_DMA_START;
dma->range_size = CONFIG_DRAM_DMA_SIZE;
}
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