Allwinner A20 - Security System Block Diagram; Security System Register List

A20 User Manual (Revision 1.2) Copyright © 2013 Allwinner Technology Co., Ltd. All Rights Reserved. Page 218 / 812
1.16.2. Security System Block Diagram
The following figure shows the block diagram of Security System.
32-words
RX FIFO
32-words
TX FIFO
AES
DES/
3DES
SHA-1/
MD5/
PRNG
Register
File
Interrupt &
DMA
RX FIFO
DRQ
TX FIFO
DRQ
AHB
Bus
D-DMA
1.16.3. Security System Register List
Module Name
Base Address
SS
0x01C15000
Register Name
Offset
Description
SS_CTL
0x00
Security Control Register
SS_KEY0
0x04
Security Input Key 0/ PRNG Seed 0
SS_KEY1
0x08
Security Input Key 1/ PRNG Seed 1
…
…
…
SS_KEY7
0x20
Security Input Key 7
SS_IV0
0x24
Security Initialization Vector 0