Address offset: 0x3B4
Hardware configuration of the CHACHA engine. Reset value holds the supported features.
| Bit number | 31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID | C | B | A | ||||||||||||||||||||||||||||||||
| Reset 0x00000001 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | |||
| ID | R/W | Field | Value ID | Value | Description | ||||||||||||||||||||||||||||||
| A |
R |
CHACHA_EXISTS |
If this flag is set, the engine include ChaCha support |
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| B |
R |
SALSA_EXISTS |
If this flag is set, the engine include Salsa support |
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| C |
R |
FAST_CHACHA |
If this flag is set, the next matrix calculated when the current one is written to data output path. |
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