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https://github.com/smaeul/u-boot.git
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5a8fe1ee81
This function allows updating bootloader from u-boot on production devices without need in host PC. Be aware! It works only with re-crypt BCT. Tested-by: Robert Eckelmann <longnoserob@gmail.com> # ASUS TF101 T20 Signed-off-by: Ramin Khonsari <raminterex@yahoo.com> Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com> Signed-off-by: Tom <twarren@nvidia.com>
43 lines
819 B
C
43 lines
819 B
C
/* SPDX-License-Identifier: GPL-2.0+ */
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#ifndef _BCT_H_
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#define _BCT_H_
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/*
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* Defines the BCT parametres for T20
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*/
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#define BCT_LENGTH 0xFE0
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#define BCT_HASH 0x10
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#define EBT_ALIGNMENT 0x10
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/*
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* Defines the CMAC-AES-128 hash length in 32 bit words. (128 bits = 4 words)
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*/
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#define NVBOOT_CMAC_AES_HASH_LENGTH 4
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/*
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* Defines the maximum number of bootloader descriptions in the BCT.
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*/
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#define NVBOOT_MAX_BOOTLOADERS 4
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struct nv_bootloader_info {
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u32 version;
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u32 start_blk;
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u32 start_page;
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u32 length;
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u32 load_addr;
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u32 entry_point;
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u32 attribute;
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u32 crypto_hash[NVBOOT_CMAC_AES_HASH_LENGTH];
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};
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struct nvboot_config_table {
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u32 unused0[4];
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u32 boot_data_version;
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u32 unused1[668];
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struct nv_bootloader_info bootloader[NVBOOT_MAX_BOOTLOADERS];
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u32 unused2[508];
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};
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#endif /* _BCT_H_ */
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