/*
 * (C) Copyright 2008
 * Texas Instruments, <www.ti.com>
 * Raghavendra KH <r-khandenahally@ti.com>
 *
 * Copyright (C) 2012 Jan Luebbe <j.luebbe@pengutronix.de>
 *
 * 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; either version 2 of
 * the License, or (at your option) any later version.
 *
 * 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.
 */

/**
 * @file
 * @brief BeagleBone Specific Board Initialization routines
 */

#include <common.h>
#include <console.h>
#include <init.h>
#include <driver.h>
#include <envfs.h>
#include <environment.h>
#include <globalvar.h>
#include <sizes.h>
#include <io.h>
#include <ns16550.h>
#include <net.h>
#include <bootsource.h>
#include <asm/armlinux.h>
#include <generated/mach-types.h>
#include <mach/am33xx-silicon.h>
#include <mach/am33xx-clock.h>
#include <mach/sdrc.h>
#include <mach/sys_info.h>
#include <mach/syslib.h>
#include <mach/gpmc.h>
#include <mach/ehci.h>
#include <i2c/i2c.h>
#include <linux/err.h>
#include <linux/phy.h>
#include <usb/ehci.h>
#include <mach/am33xx-devices.h>
#include <mach/am33xx-mux.h>
#include <mach/wdt.h>
#include <mach/am33xx-generic.h>
#include <mach/cpsw.h>

#include "beaglebone.h"

#ifdef CONFIG_DRIVER_SERIAL_NS16550

/**
 * @brief UART serial port initialization - remember to enable COM clocks in
 * arch
 *
 * @return result of device registration
 */
static int beaglebone_console_init(void)
{
	barebox_set_model("Texas Instruments beaglebone");
	barebox_set_hostname("beaglebone");

	am33xx_add_uart0();

	return 0;
}
console_initcall(beaglebone_console_init);
#endif /* CONFIG_DRIVER_SERIAL_NS16550 */

static int beaglebone_mem_init(void)
{
	if (is_beaglebone_black())
		omap_add_ram0(SZ_512M);
	else
		omap_add_ram0(SZ_256M);

	return 0;
}
mem_initcall(beaglebone_mem_init);

static struct cpsw_slave_data cpsw_slaves[] = {
	{
		.phy_id		= 0,
		.phy_if		= PHY_INTERFACE_MODE_MII,
	},
};

static struct cpsw_platform_data cpsw_data = {
	.slave_data		= cpsw_slaves,
	.num_slaves		= ARRAY_SIZE(cpsw_slaves),
};

static void beaglebone_eth_init(void)
{
	am33xx_register_ethaddr(0, 0);

	writel(0, AM33XX_MAC_MII_SEL);

	am33xx_enable_mii1_pin_mux();

	am33xx_add_cpsw(&cpsw_data);
}

static struct i2c_board_info i2c0_devices[] = {
	{
		I2C_BOARD_INFO("24c256", 0x50)
	},
};

static const __maybe_unused struct module_pin_mux mmc1_pin_mux[] = {
	{OFFSET(gpmc_ad0), (MODE(1) | RXACTIVE)},	/* MMC1_DAT0 */
	{OFFSET(gpmc_ad1), (MODE(1) | RXACTIVE)},	/* MMC1_DAT1 */
	{OFFSET(gpmc_ad2), (MODE(1) | RXACTIVE)},	/* MMC1_DAT2 */
	{OFFSET(gpmc_ad3), (MODE(1) | RXACTIVE)},	/* MMC1_DAT3 */
	{OFFSET(gpmc_ad4), (MODE(1) | RXACTIVE)},	/* MMC1_DAT4 */
	{OFFSET(gpmc_ad5), (MODE(1) | RXACTIVE)},	/* MMC1_DAT5 */
	{OFFSET(gpmc_ad6), (MODE(1) | RXACTIVE)},	/* MMC1_DAT6 */
	{OFFSET(gpmc_ad7), (MODE(1) | RXACTIVE)},	/* MMC1_DAT7 */
	{OFFSET(gpmc_csn1), (MODE(2) | RXACTIVE | PULLUP_EN)},	/* MMC1_CLK */
	{OFFSET(gpmc_csn2), (MODE(2) | RXACTIVE | PULLUP_EN)},	/* MMC1_CMD */
	{-1},
};

static struct omap_hsmmc_platform_data beaglebone_sd = {
	.devname = "sd",
};

static struct omap_hsmmc_platform_data beaglebone_emmc = {
	.devname = "emmc",
};

static int beaglebone_devices_init(void)
{
	am33xx_enable_mmc0_pin_mux();
	am33xx_add_mmc0(&beaglebone_sd);

	if (is_beaglebone_black()) {
		configure_module_pin_mux(mmc1_pin_mux);
		am33xx_add_mmc1(&beaglebone_emmc);
	}

	if (bootsource_get() == BOOTSOURCE_MMC) {
		if (bootsource_get_instance() == 0)
			omap_set_bootmmc_devname("sd");
		else
			omap_set_bootmmc_devname("emmc");
	}

	am33xx_enable_i2c0_pin_mux();
	i2c_register_board_info(0, i2c0_devices, ARRAY_SIZE(i2c0_devices));
	am33xx_add_i2c0(NULL);

	beaglebone_eth_init();

	return 0;
}
device_initcall(beaglebone_devices_init);

static int beaglebone_env_init(void)
{
	int black = is_beaglebone_black();

	globalvar_add_simple("board.variant", black ? "boneblack" : "bone");

	printf("detected 'BeagleBone %s'\n", black ? "Black" : "White");

	armlinux_set_bootparams((void *)0x80000100);
	armlinux_set_architecture(MACH_TYPE_BEAGLEBONE);

	return 0;
}
late_initcall(beaglebone_env_init);