3.3.3. Secure Access Register

The Secure Access Register characteristics are:

Purpose

Controls secure access.

Usage constraints

You can only write to this register using secure transactions.

Configurations

Available in all CCI-400 configurations.

Attributes

Warning

This register enables non-secure access to the CCI-400 registers for all masters. This compromises the security of your system.

Table 3.4 shows the bit assignments.

Table 3.4. Secure Access Register

BitsReset valueAccessFunction
[31:1]-RAZ/WIReserved
[0]0x0R/W

Non-secure register access override.

0b0

Disable non-secure access to CCI-400 registers.

0b1

Enable non-secure access to CCI-400 registers.


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