blob: 515ddfb73807fecc17c5bb741143ff0beebbd7f1 [file] [log] [blame]
/*
* Copyright (c) 2015, 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 <arch.h>
#include <arch_helpers.h>
#include <assert.h>
#include <auth_mod.h>
#include <bl_common.h>
#include <bl1.h>
#include <debug.h>
#include <platform.h>
#include <platform_def.h>
#include <stdint.h>
/*******************************************************************************
* This function is responsible to:
* Load SCP_BL2U if platform has defined SCP_BL2U_BASE
* Perform platform setup.
* Go back to EL3.
******************************************************************************/
void bl2u_main(void)
{
NOTICE("BL2U: %s\n", version_string);
NOTICE("BL2U: %s\n", build_message);
#if SCP_BL2U_BASE
int rc;
/* Load the subsequent bootloader images */
rc = bl2u_plat_handle_scp_bl2u();
if (rc) {
ERROR("Failed to load SCP_BL2U (%i)\n", rc);
panic();
}
#endif
/* Perform platform setup in BL2U after loading SCP_BL2U */
bl2u_platform_setup();
/*
* Indicate that BL2U is done and resume back to
* normal world via an SMC to BL1.
* x1 could be passed to Normal world,
* so DO NOT pass any secret information.
*/
smc(FWU_SMC_SEC_IMAGE_DONE, 0, 0, 0, 0, 0, 0, 0);
wfi();
}