ARM Cortex-A35 User Manual

Aff2, [23:16]
Affinity level 2. Second highest level affinity field.
Indicates the value read in the CLUSTERIDAFF2 configuration signal.
Aff1, [15:8]
Affinity level 1. Third highest level affinity field.
Indicates the value read in the CLUSTERIDAFF1 configuration signal.
Aff0, [7:0]
Affinity level 0. Lowest level affinity field.
Indicates the core number in the Cortex‑A35 processor. The possible values are:
0x0 A processor with one core only.
0x0, 0x1 A cluster with two cores.
0x0, 0x1, 0x2 A cluster with three cores.
0x0, 0x1, 0x2, 0x3 A cluster with four cores.
To access the MPIDR:
MRC p15,0,<Rt>,c0,c0,5 ; Read MPIDR into Rt
Register access is encoded as follows:
Table B1-82 MPIDR access encoding
coproc opc1 CRn CRm opc2
1111 000 0000 0000 101
The EDDEVAFF0 can be accessed through the external debug interface, offset 0xFA8.
B1 AArch32 system registers
B1.97 Multiprocessor Affinity Register
100236_0100_00_en Copyright © 2015–2017, 2019 Arm Limited or its affiliates. All rights
reserved.
B1-316
Non-Confidential

ARM Cortex-A35 Specifications

General

Brand	ARM
Model	Cortex-A35
Category	Computer Hardware
Language	English