These registers read the secure boot key. The secure boot key is stored in eFuse in the Root of Trust module, which is directly driven in this register. The twelve 32-bit BOOT_KEY registers contain the 384-bit secure public boot key.
Name:
BOOT_KEY
Offset:
0x54 + n*0x04 [n=0..11]
Reset:
0x00000000
Property:
-
Bit
31
30
29
28
27
26
25
24
BOOT_KEY[31:24]
Access
R
R
R
R
R
R
R
R
Reset
0
0
0
0
0
0
0
0
Bit
23
22
21
20
19
18
17
16
BOOT_KEY[23:16]
Access
R
R
R
R
R
R
R
R
Reset
0
0
0
0
0
0
0
0
Bit
15
14
13
12
11
10
9
8
BOOT_KEY[15:8]
Access
R
R
R
R
R
R
R
R
Reset
0
0
0
0
0
0
0
0
Bit
7
6
5
4
3
2
1
0
BOOT_KEY[7:0]
Access
R
R
R
R
R
R
R
R
Reset
0
0
0
0
0
0
0
0
Bits 31:0 – BOOT_KEY[31:0] Secure Boot key bits
These bits provide the secure boot key.
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