/*
 * Copyright (C) 2016 ISEE 2007 SL - http://www.isee.biz
 *
 * Source file for IGEP0046 board
 *
 * Author: Jose Miguel Sanchez Sanabria <jsanabria@iseebcn.com>
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#include <common.h>
#include <asm/arch/clock.h>
#include <asm/arch/imx-regs.h>
#include <asm/arch/iomux.h>
#include <asm/arch/mx6-pins.h>
#include <asm/arch/mx6-ddr.h>
#include <linux/errno.h>
#include <asm/gpio.h>
#include <asm/imx-common/mxc_i2c.h>
#include <asm/imx-common/iomux-v3.h>
#include <asm/imx-common/boot_mode.h>
#include <malloc.h>
#include <asm/arch/crm_regs.h>
#include <asm/arch/sys_proto.h>
#include <asm/arch-mx6/sys_proto.h>
#include <asm/io.h>
#include "../common/igep_common.h"

DECLARE_GLOBAL_DATA_PTR;

/* MACRO MUX defines */

#define UART_PAD_CTRL  (PAD_CTL_PKE | PAD_CTL_PUE |		\
	PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED |		\
	PAD_CTL_DSE_40ohm   | PAD_CTL_SRE_FAST  | PAD_CTL_HYS)

#define GPIO_LED_PAD_CTRL  (PAD_CTL_PUS_22K_UP |	\
	PAD_CTL_SPEED_LOW | PAD_CTL_DSE_40ohm |	\
	PAD_CTL_SRE_FAST )

int dram_init(void)
{
	gd->ram_size = imx_ddr_size();
	return 0;
}

void dram_init_banksize(void)
{
	gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
	gd->bd->bi_dram[0].size = imx_ddr_size();
}

/* UART MUX */
static iomux_v3_cfg_t const uart3_pads[] =
{
	MX6_PAD_UART3_TX_DATA__UART3_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
	MX6_PAD_UART3_RX_DATA__UART3_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
};

static iomux_v3_cfg_t const led_pads[] = {
	MX6_PAD_GPIO1_IO08__GPIO1_IO08 | MUX_PAD_CTRL(GPIO_LED_PAD_CTRL),
	MX6_PAD_GPIO1_IO09__GPIO1_IO09 | MUX_PAD_CTRL(GPIO_LED_PAD_CTRL),
};


static void setup_iomux_uart(void)
{
	imx_iomux_v3_setup_multiple_pads(uart3_pads, ARRAY_SIZE(uart3_pads));
}

static void setup_iomux_leds(void)
{
	imx_iomux_v3_setup_multiple_pads(led_pads, ARRAY_SIZE(led_pads));
}


int checkboard(void)
{
	return 0;
}

int board_early_init_f(void)
{
	setup_iomux_uart();
	setup_iomux_leds();
	
	/* configure LEDS */
	gpio_direction_output(IMX_GPIO_NR(1, 8), 1);
	gpio_direction_output(IMX_GPIO_NR(1, 9), 0);

	return 0;
}

int board_init(void)
{

	return 0;	
}


int board_late_init(void)
{	
	checkboard();
	puts("\n");
	return 0;
}

#ifdef CONFIG_LDO_BYPASS_CHECK
/* TODO, use external pmic, for now always ldo_enable */
void ldo_mode_set(int ldo_bypass)
{
	return;
}
#endif