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/*
 * Copyright (C) 2014-2015 Masahiro Yamada <yamada.masahiro@socionext.com>
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#include <common.h>
#include <spl.h>
#include <linux/io.h>
#include <mach/boot-device.h>
#include <mach/sg-regs.h>
#include <mach/sbc-regs.h>

static struct boot_device_info boot_device_table[] = {
	{BOOT_DEVICE_NONE, "Reserved"},
	{BOOT_DEVICE_NONE, "External Master"},
	{BOOT_DEVICE_NONE, "Reserved"},
	{BOOT_DEVICE_NONE, "Reserved"},
	{BOOT_DEVICE_MMC1, "eMMC (3.3V, Boot Oparation)"},
	{BOOT_DEVICE_NONE, "Reserved"},
	{BOOT_DEVICE_MMC1, "eMMC (1.8V, Boot Oparation)"},
	{BOOT_DEVICE_NONE, "Reserved"},
	{BOOT_DEVICE_MMC1, "eMMC (3.3V, Normal)"},
	{BOOT_DEVICE_NONE, "Reserved"},
	{BOOT_DEVICE_MMC1, "eMMC (1.8V, Normal)"},
	{BOOT_DEVICE_NONE, "Reserved"},
	{BOOT_DEVICE_NAND, "NAND (Mirror 1, ECC  8, EraseSize 128KB, Addr 5)"},
	{BOOT_DEVICE_NONE, "Reserved"},
	{BOOT_DEVICE_NAND, "NAND (Mirror 1, ECC  8, EraseSize 256KB, Addr 5)"},
	{BOOT_DEVICE_NONE, "Reserved"},
	{BOOT_DEVICE_NAND, "NAND (Mirror 1, ECC  8, EraseSize 512KB, Addr 5)"},
	{BOOT_DEVICE_NONE, "Reserved"},
	{BOOT_DEVICE_NAND, "NAND (Mirror 1, ECC 16, EraseSize 128KB, Addr 5)"},
	{BOOT_DEVICE_NONE, "Reserved"},
	{BOOT_DEVICE_NAND, "NAND (Mirror 1, ECC 16, EraseSize 256KB, Addr 5)"},
	{BOOT_DEVICE_NONE, "Reserved"},
	{BOOT_DEVICE_NAND, "NAND (Mirror 1, ECC 16, EraseSize 512KB, Addr 5)"},
	{BOOT_DEVICE_NONE, "Reserved"},
	{BOOT_DEVICE_NAND, "NAND (Mirror 4, ECC 24, EraseSize   1MB, Addr 5)"},
	{BOOT_DEVICE_NONE, "Reserved"},
	{BOOT_DEVICE_NAND, "NAND (Mirror 8, ECC  8, EraseSize 128KB, Addr 5)"},
	{BOOT_DEVICE_NONE, "Reserved"},
	{BOOT_DEVICE_NAND, "NAND (Mirror 8, ECC  8, EraseSize 256KB, Addr 5)"},
	{BOOT_DEVICE_NONE, "Reserved"},
	{BOOT_DEVICE_NAND, "NAND (Mirror 8, ECC  8, EraseSize 512KB, Addr 5)"},
	{BOOT_DEVICE_NONE, "Reserved"},
	{BOOT_DEVICE_NAND, "NAND (Mirror 8, ECC 16, EraseSize 128KB, Addr 5)"},
	{BOOT_DEVICE_NONE, "Reserved"},
	{BOOT_DEVICE_NAND, "NAND (Mirror 8, ECC 16, EraseSize 256KB, Addr 5)"},
	{BOOT_DEVICE_NONE, "Reserved"},
	{BOOT_DEVICE_NAND, "NAND (Mirror 8, ECC 16, EraseSize 512KB, Addr 5)"},
	{BOOT_DEVICE_NONE, "Reserved"},
	{BOOT_DEVICE_NAND, "NAND (Mirror 8, ECC 24, EraseSize   1MB, Addr 5)"},
	{BOOT_DEVICE_NONE, "Reserved"},
	{BOOT_DEVICE_NONE, "Reserved"},
	{BOOT_DEVICE_NONE, "Reserved"},
	{BOOT_DEVICE_NONE, "Reserved"},
	{BOOT_DEVICE_NONE, "Reserved"},
	{BOOT_DEVICE_NAND, "NAND (Mirror 1, ECC  8, ONFI,            Addr 5)"},
	{BOOT_DEVICE_NONE, "Reserved"},
	{BOOT_DEVICE_NAND, "NAND (Mirror 1, ECC 16, ONFI,            Addr 5)"},
	{BOOT_DEVICE_NONE, "Reserved"},
	{BOOT_DEVICE_NAND, "NAND (Mirror 4, ECC 24, ONFI,            Addr 5)"},
	{BOOT_DEVICE_NONE, "Reserved"},
	{BOOT_DEVICE_NAND, "NAND (Mirror 8, ECC  8, ONFI,            Addr 5)"},
	{BOOT_DEVICE_NONE, "Reserved"},
	{BOOT_DEVICE_NAND, "NAND (Mirror 8, ECC 16, ONFI,            Addr 5)"},
	{BOOT_DEVICE_NONE, "Reserved"},
	{BOOT_DEVICE_NAND, "NAND (Mirror 8, ECC 24, ONFI,            Addr 5)"},
	{BOOT_DEVICE_NONE, "Reserved"},
	{BOOT_DEVICE_NONE, "Reserved"},
	{BOOT_DEVICE_NONE, "Reserved"},
	{BOOT_DEVICE_NONE, "Reserved"},
	{BOOT_DEVICE_NONE, "Reserved"},
	{BOOT_DEVICE_NONE, "Reserved"},
	{BOOT_DEVICE_NONE, "Reserved"},
	{BOOT_DEVICE_NONE, "Reserved"},
	{BOOT_DEVICE_NONE, "Reserved"},
};

static int get_boot_mode_sel(void)
{
	return readl(SG_PINMON0) & 0x3f;
}

u32 ph1_sld3_boot_device(void)
{
	int boot_mode;

	boot_mode = get_boot_mode_sel();

	return boot_device_table[boot_mode].type;
}

void ph1_sld3_boot_mode_show(void)
{
	int mode_sel, i;

	mode_sel = get_boot_mode_sel();

	puts("Boot Mode Pin:\n");

	for (i = 0; i < ARRAY_SIZE(boot_device_table); i++)
		printf(" %c %02x %s\n", i == mode_sel ? '*' : ' ', i,
		       boot_device_table[i].info);
}