8f5285bfba
* atf-20240117-bacca82a8: import new atf Signed-off-by: Tianling Shen <cnsztl@immortalwrt.org> * atf-20240117-bacca82a8: remove Werror * atf-20240117-bacca82a8: call bromimage-x86_64 for aarch64 host * atf-20240117-bacca82a8: export ram boot uart option Signed-off-by: Tianling Shen <cnsztl@immortalwrt.org> * atf-20240117-bacca82a8: apply openwrt patches Signed-off-by: Tianling Shen <cnsztl@immortalwrt.org> * atf-20240117-bacca82a8: port board configs Signed-off-by: Tianling Shen <cnsztl@immortalwrt.org> * build.sh: switch to use atf-20240117-bacca82a8 Signed-off-by: Tianling Shen <cnsztl@immortalwrt.org> * build.sh: support new menuconfig Signed-off-by: Tianling Shen <cnsztl@immortalwrt.org> * build.sh: pass u-boot path by variable Signed-off-by: Tianling Shen <cnsztl@immortalwrt.org> * atf-20231013-0ea67d76a: drop Signed-off-by: Tianling Shen <cnsztl@immortalwrt.org> --------- Signed-off-by: Tianling Shen <cnsztl@immortalwrt.org> Co-authored-by: hanwckf <hanwckf@vip.qq.com>
66 lines
1.6 KiB
C
66 lines
1.6 KiB
C
/*
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* Copyright (c) 2015-2020, 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 <assert.h>
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#include <stdint.h>
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#include <platform_def.h>
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#include <arch.h>
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#include <arch_helpers.h>
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#include <bl1/bl1.h>
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#include <bl2u/bl2u.h>
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#include <common/bl_common.h>
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#include <common/debug.h>
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#include <drivers/auth/auth_mod.h>
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#include <drivers/console.h>
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#include <plat/common/platform.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 != 0) {
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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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#ifndef __aarch64__
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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 /* !__aarch64__ */
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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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