/* Copyright (c) 2013, The Linux Foundation. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above
 *       copyright notice, this list of conditions and the following
 *       disclaimer in the documentation and/or other materials provided
 *       with the distribution.
 *     * Neither the name of The Linux Foundation nor the names of its
 *       contributors may be used to endorse or promote products derived
 *       from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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 */

#include <stdlib.h>
#include <reg.h>

#define FORCE_DLOAD_COOKIE_0    0x322A4F99
#define FORCE_DLOAD_COOKIE_1    0xC67E4350
#define FORCE_DLOAD_COOKIE_2    0x77777777

extern void dsb();

void dload_util_write_cookie(uint32_t target_dload_mode_addr)
{
	writel(FORCE_DLOAD_COOKIE_0, target_dload_mode_addr);
	writel(FORCE_DLOAD_COOKIE_1, target_dload_mode_addr + sizeof(uint32_t));
	writel(FORCE_DLOAD_COOKIE_2, target_dload_mode_addr + 2 * sizeof(uint32_t));

	dsb();
}