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https://github.com/CTCaer/switch-l4t-atf.git
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7fabe1a899
Rule 8.4: A compatible declaration shall be visible when
an object or function with external linkage is defined.
Change-Id: I26e042cb251a6f9590afa1340fdac73e42f23979
Signed-off-by: Roberto Vargas <roberto.vargas@arm.com>
64 lines
1.5 KiB
C
64 lines
1.5 KiB
C
/*
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* Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#include <arch.h>
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#include <arch_helpers.h>
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#include <assert.h>
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#include <auth_mod.h>
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#include <bl1.h>
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#include <bl2u.h>
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#include <bl_common.h>
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#include <console.h>
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#include <debug.h>
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#include <platform.h>
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#include <platform_def.h>
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#include <stdint.h>
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/*******************************************************************************
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* This function is responsible to:
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* Load SCP_BL2U if platform has defined SCP_BL2U_BASE
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* Perform platform setup.
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* Go back to EL3.
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******************************************************************************/
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void bl2u_main(void)
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{
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NOTICE("BL2U: %s\n", version_string);
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NOTICE("BL2U: %s\n", build_message);
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#if SCP_BL2U_BASE
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int rc;
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/* Load the subsequent bootloader images */
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rc = bl2u_plat_handle_scp_bl2u();
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if (rc) {
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ERROR("Failed to load SCP_BL2U (%i)\n", rc);
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panic();
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}
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#endif
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/* Perform platform setup in BL2U after loading SCP_BL2U */
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bl2u_platform_setup();
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console_flush();
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#ifdef AARCH32
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/*
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* For AArch32 state BL1 and BL2U share the MMU setup.
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* Given that BL2U does not map BL1 regions, MMU needs
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* to be disabled in order to go back to BL1.
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*/
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disable_mmu_icache_secure();
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#endif /* AARCH32 */
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/*
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* Indicate that BL2U is done and resume back to
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* normal world via an SMC to BL1.
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* x1 could be passed to Normal world,
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* so DO NOT pass any secret information.
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*/
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smc(FWU_SMC_SEC_IMAGE_DONE, 0, 0, 0, 0, 0, 0, 0);
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wfi();
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}
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