xref: /OK3568_Linux_fs/u-boot/board/gdsys/a38x/hre.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * (C) Copyright 2013
3*4882a593Smuzhiyun  * Reinhard Pfau, Guntermann & Drunck GmbH, reinhard.pfau@gdsys.cc
4*4882a593Smuzhiyun  *
5*4882a593Smuzhiyun  * SPDX-License-Identifier:	GPL-2.0+
6*4882a593Smuzhiyun  */
7*4882a593Smuzhiyun 
8*4882a593Smuzhiyun #ifndef __HRE_H
9*4882a593Smuzhiyun #define __HRE_H
10*4882a593Smuzhiyun 
11*4882a593Smuzhiyun struct key_program {
12*4882a593Smuzhiyun 	uint32_t magic;
13*4882a593Smuzhiyun 	uint32_t code_crc;
14*4882a593Smuzhiyun 	uint32_t code_size;
15*4882a593Smuzhiyun 	uint8_t code[];
16*4882a593Smuzhiyun };
17*4882a593Smuzhiyun 
18*4882a593Smuzhiyun struct h_reg {
19*4882a593Smuzhiyun 	bool valid;
20*4882a593Smuzhiyun 	uint8_t digest[20];
21*4882a593Smuzhiyun };
22*4882a593Smuzhiyun 
23*4882a593Smuzhiyun /* CCDM specific contants */
24*4882a593Smuzhiyun enum {
25*4882a593Smuzhiyun 	/* NV indices */
26*4882a593Smuzhiyun 	NV_COMMON_DATA_INDEX	= 0x40000001,
27*4882a593Smuzhiyun 	/* magics for key blob chains */
28*4882a593Smuzhiyun 	MAGIC_KEY_PROGRAM	= 0x68726500,
29*4882a593Smuzhiyun 	MAGIC_HMAC		= 0x68616300,
30*4882a593Smuzhiyun 	MAGIC_END_OF_CHAIN	= 0x00000000,
31*4882a593Smuzhiyun 	/* sizes */
32*4882a593Smuzhiyun 	NV_COMMON_DATA_MIN_SIZE	= 3 * sizeof(uint64_t) + 2 * sizeof(uint16_t),
33*4882a593Smuzhiyun };
34*4882a593Smuzhiyun 
35*4882a593Smuzhiyun int hre_verify_program(struct key_program *prg);
36*4882a593Smuzhiyun int hre_run_program(const uint8_t *code, size_t code_size);
37*4882a593Smuzhiyun 
38*4882a593Smuzhiyun #endif /* __HRE_H */
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