diff options
Diffstat (limited to 'roms/u-boot/board/gdsys/a38x/hre.h')
| -rw-r--r-- | roms/u-boot/board/gdsys/a38x/hre.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/roms/u-boot/board/gdsys/a38x/hre.h b/roms/u-boot/board/gdsys/a38x/hre.h new file mode 100644 index 000000000..da983aa45 --- /dev/null +++ b/roms/u-boot/board/gdsys/a38x/hre.h @@ -0,0 +1,37 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * (C) Copyright 2013 + * Reinhard Pfau, Guntermann & Drunck GmbH, reinhard.pfau@gdsys.cc + */ + +#ifndef __HRE_H +#define __HRE_H + +struct key_program { + uint32_t magic; + uint32_t code_crc; + uint32_t code_size; + uint8_t code[]; +}; + +struct h_reg { + bool valid; + uint8_t digest[20]; +}; + +/* CCDM specific contants */ +enum { + /* NV indices */ + NV_COMMON_DATA_INDEX = 0x40000001, + /* magics for key blob chains */ + MAGIC_KEY_PROGRAM = 0x68726500, + MAGIC_HMAC = 0x68616300, + MAGIC_END_OF_CHAIN = 0x00000000, + /* sizes */ + NV_COMMON_DATA_MIN_SIZE = 3 * sizeof(uint64_t) + 2 * sizeof(uint16_t), +}; + +int hre_verify_program(struct key_program *prg); +int hre_run_program(struct udevice *tpm, const uint8_t *code, size_t code_size); + +#endif /* __HRE_H */ |