/*
 * Config file for IGEP0046board
 *
 * Copyright (C) 2017, ISEE S.L - https://www.isee.biz/
 *
 * Author: Jose Miguel Sanchez Sanabria <jsanabria@iseebcn.com>
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

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

DECLARE_GLOBAL_DATA_PTR;

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

#define GPIO_VERSION_PAD_CTRL  (PAD_CTL_PUS_100K_UP |	\
	PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm |	\
	PAD_CTL_SRE_FAST)

#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;
}

static iomux_v3_cfg_t const uart2_pads[] =
{
	MX6_PAD_EIM_D26__UART2_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
	MX6_PAD_EIM_D27__UART2_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
};


static iomux_v3_cfg_t const init_pads[] =
{
	/* PCB GPIO to Detect Module Version */
	MX6_PAD_EIM_D22__GPIO3_IO22  | MUX_PAD_CTRL(GPIO_VERSION_PAD_CTRL),
	MX6_PAD_EIM_D23__GPIO3_IO23  | MUX_PAD_CTRL(GPIO_VERSION_PAD_CTRL),
	MX6_PAD_EIM_D29__GPIO3_IO29  | MUX_PAD_CTRL(GPIO_VERSION_PAD_CTRL),
	MX6_PAD_EIM_BCLK__GPIO6_IO31 | MUX_PAD_CTRL(GPIO_VERSION_PAD_CTRL),
	/* PCB GPIO LEDs */
	MX6_PAD_DI0_PIN2__GPIO4_IO18  | MUX_PAD_CTRL(GPIO_LED_PAD_CTRL),
	MX6_PAD_DI0_PIN3__GPIO4_IO19  | MUX_PAD_CTRL(GPIO_LED_PAD_CTRL),
	MX6_PAD_DI0_PIN4__GPIO4_IO20  | MUX_PAD_CTRL(GPIO_LED_PAD_CTRL),
	MX6_PAD_DI0_PIN15__GPIO4_IO17 | MUX_PAD_CTRL(GPIO_LED_PAD_CTRL),
};

static void setup_iomux_uart(void)
{
	imx_iomux_v3_setup_multiple_pads(uart2_pads, ARRAY_SIZE(uart2_pads));
}

int checkboard(void)
{
	puts("Module: IGEP0046\n");
	return 0;
}


int board_early_init_f(void)
{
	setup_iomux_uart();

	imx_iomux_v3_setup_multiple_pads(init_pads, ARRAY_SIZE(init_pads));

	/* configure LEDS */
	gpio_set_value(IMX_GPIO_NR(4, 18), 1);
	gpio_set_value(IMX_GPIO_NR(4, 19), 1);
	gpio_set_value(IMX_GPIO_NR(4, 20), 1);
	gpio_set_value(IMX_GPIO_NR(4, 17), 1);

	return 0;
}

int board_init(void)
{
	return 0;	
}

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