Intel® Stratix® 10 Hard Processor System Technical Reference Manual

ID 683222
Date 11/28/2022
Public

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15.5.2.2.3. Setting Lock-Tight on All Memory Blocks

After the lock‑tight is applied, unlocked areas cannot be locked, and locked areas cannot be unlocked. To lock‑tight the entire memory:
  1. Write to the command register, setting the CMD_MAP field to 2 and the BLK_ADDR field to any memory address.
  2. Write 0x31 to the Data register.

To disable the lock‑tight, reset the memory controller.