ARM Technical Support Knowledge Articles

What AXI IDs can the PL310 master ports issue when the PL310 is disabled?

Applies to: AXI PL310 L2CC

Answer

When the PL310 is disabled, for writes only {AWIDS0, 00} and {AWIDS1, 10} appear on the PL310 master ports.

For reads, only the following IDs appear:
 - Non-cacheable exclusive or locked read from slave 0 {ARIDS0, 00}
 - Non-cacheable exclusive or locked read from slave 1 {ARIDS1, 10}
 - Non-cacheable read from slave S0 or S1 {{`pl310_AXI_ID_MAX-1{0}}, 0011 or 0111 or 1011 or 1111}

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