blob: d49c9ce9e4b38e26920dbfbef23cc6629e3ea4b6 [file] [log] [blame]
* Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved.
* SPDX-License-Identifier: BSD-3-Clause
#include <assert.h>
#include <stdint.h>
#include <platform_def.h>
#include <arch.h>
#include <arch_helpers.h>
#include <bl1/bl1.h>
#include <bl2u/bl2u.h>
#include <common/bl_common.h>
#include <common/debug.h>
#include <drivers/auth/auth_mod.h>
#include <drivers/console.h>
#include <plat/common/platform.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);
int rc;
/* Load the subsequent bootloader images */
rc = bl2u_plat_handle_scp_bl2u();
if (rc) {
ERROR("Failed to load SCP_BL2U (%i)\n", rc);
/* Perform platform setup in BL2U after loading SCP_BL2U */
#ifndef __aarch64__
* For AArch32 state BL1 and BL2U share the MMU setup.
* Given that BL2U does not map BL1 regions, MMU needs
* to be disabled in order to go back to BL1.
#endif /* !__aarch64__ */
* 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);