/* Copyright (c) 2009-2011, 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:
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 *	   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 BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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,
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 */

#include <reg.h>
#include <debug.h>
#include <smem.h>

#define SIZE_1M			   0x00100000
#define ROUND_TO_MB(x)		  ((x >> 20) << 20)

unsigned *target_atag_mem(unsigned *ptr)
{
	struct smem_ram_ptable ram_ptable;
	unsigned i = 0;

	if (smem_ram_ptable_init(&ram_ptable)) {
		for (i = 0; i < ram_ptable.len; i++) {
			if ((ram_ptable.parts[i].attr == READWRITE)
			    && (ram_ptable.parts[i].domain == APPS_DOMAIN)
			    && (ram_ptable.parts[i].start != 0x0)
			    &&
			    (!(ROUND_TO_MB(ram_ptable.parts[i].size) <=
			       SIZE_1M))) {
				/* ATAG_MEM */
				*ptr++ = 4;
				*ptr++ = 0x54410002;
				/* RAM parition are reported correctly by NON-HLOS
				   Use the size passed directly */
				if (target_is_emmc_boot())
					*ptr++ =
					    ROUND_TO_MB(ram_ptable.parts[i].
							size);
				else
					*ptr++ = ram_ptable.parts[i].size;

				*ptr++ = ram_ptable.parts[i].start;
			}
		}
	} else {
		dprintf(CRITICAL, "ERROR: Unable to read RAM partition\n");
		ASSERT(0);
	}
	return ptr;
}

unsigned target_get_max_flash_size(void)
{
	return (253 * 1024 * 1024);
}