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https://github.com/brain-hackers/u-boot-brain
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98cb0efde8
1. Default environment will be used for secure boot flow which can't be edited or saved. 2. Command for secure boot is predefined in the default environment which will run on autoboot (and autoboot is the only option allowed in case of secure boot) and it looks like this: #define CONFIG_SECBOOT \ "setenv bs_hdraddr 0xe8e00000;" \ "esbc_validate $bs_hdraddr;" \ "source $img_addr;" \ "esbc_halt;" #endif 3. Boot Script can contain esbc_validate commands and bootm command. Uboot source command used in default secure boot command will run the bootscript. 4. Command esbc_halt added to ensure either bootm executes after validation of images or core should just spin. Signed-off-by: Ruchika Gupta <ruchika.gupta@freescale.com> Signed-off-by: Gaurav Rana <gaurav.rana@freescale.com> Reviewed-by: York Sun <yorksun@freescale.com>
26 lines
538 B
C
26 lines
538 B
C
/*
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* Copyright 2015 Freescale Semiconductor, Inc.
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#ifndef __FSL_SECURE_BOOT_H
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#define __FSL_SECURE_BOOT_H
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#ifdef CONFIG_SECURE_BOOT
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#ifndef CONFIG_FIT_SIGNATURE
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#define CONFIG_EXTRA_ENV \
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"setenv fdt_high 0xcfffffff;" \
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"setenv initrd_high 0xcfffffff;" \
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"setenv hwconfig \'fsl_ddr:ctlr_intlv=null,bank_intlv=null\';"
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/* The address needs to be modified according to NOR memory map */
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#define CONFIG_BOOTSCRIPT_HDR_ADDR 0x600a0000
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#include <config_fsl_secboot.h>
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#endif
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#endif
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#endif
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