fvp_bl1_setup.c

/*
 * Copyright (c) 2013-2016, ARM Limited and Contributors. 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 ARM 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 AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER 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 BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#include <plat_arm.h>
#include <tbbr_img_def.h>
#include "fvp_private.h"


/*******************************************************************************
 * Perform any BL1 specific platform actions.
 ******************************************************************************/
void bl1_early_platform_setup(void)
{
	arm_bl1_early_platform_setup();

	/* Initialize the platform config for future decision making */
	fvp_config_setup();

	/*
	 * Initialize Interconnect for this cluster during cold boot.
	 * No need for locks as no other CPU is active.
	 */
	fvp_interconnect_init();
	/*
	 * Enable coherency in Interconnect for the primary CPU's cluster.
	 */
	fvp_interconnect_enable();
}

/*******************************************************************************
 * The following function checks if Firmware update is needed,
 * by checking if TOC in FIP image is valid or not.
 ******************************************************************************/
unsigned int bl1_plat_get_next_image_id(void)
{
	if (!arm_io_is_toc_valid())
		return NS_BL1U_IMAGE_ID;

	return BL2_IMAGE_ID;
}