The Hardware Side of Cryptography

8 December 2010

Freescale QorIQ P2020 Security Engine : Register Map

Filed under: Co-processor — Tags: , , , , , , — edipermadi @ 9:24 am

The Register map of Freescale Security Engine located to CCSR and its position is relative to CCSRBAR (CCSR Base Address Register). In general, CCSRBAR contains 0xff70000 and the register map of Security Engine itself is located at CCSRBAR + 0x30000.

The Security Engine register map is mainly divided into Channel, Controller and Execution Unit. As you refer to the block diagram of Security Engine, you will find that those three items are the main ingredients of the Security Engine. In fact, the real application of Security Engine stuff will require you to access controller and channel register only. Execution register is provided just for the sake of debugging.

The controller section is taking care of Security Engine IP Core version identification, interrupt status and management, and some master accessibility stuff such as master reset.

The channel block section itself is a group of four channel section. Each unit corresponds to a channel and its housekeeping functionality, which includes channel configuration, FIFO management, as well as status.

Please refer to global and detailed structure of Security Engine shown below.

Security Engine Register Map : Global
P2020 Security Engine Register Map

Security Engine Register Map : Detailed

Detailed P2020 Security Engine Register Map

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