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Arm

CoreLink

™

GIC-600 Generic

Interrupt Controller

Revision: r1p6

Technical Reference Manual

100336_0106_00_en

Arm

CoreLink

™

GIC-600 Generic Interrupt Controller

Technical Reference Manual

Release Information

Document History

Issue Date Confidentiality Change

0000-00 29 July 2016 Confidential First release for r0p0.

0000-01 26 October 2016 Confidential Second release for r0p0.

0001-00 31 March 2017 Confidential First release for r0p1.

0002-00 07 June 2017 Confidential First release for r0p2.

0002-01 15 June 2017 Non-Confidential Second release for r0p2.

0003-00 08 January 2018 Non-Confidential First release for r0p3.

0102-00 02 February 2018 Non-Confidential First release for r1p2.

0103-00 27 March 2018 Non-Confidential First release for r1p3

0104-00 27 July 2018 Non-Confidential First release for r1p4.

0106-00 08 February 2019 Non-Confidential First release for r1p6.

Non-Confidential Proprietary Notice

This document is protected by copyright and other related rights and the practice or implementation of the information contained in

this document may be protected by one or more patents or pending patent applications. No part of this document may be

reproduced in any form by any means without the express prior written permission of Arm. No license, express or implied, by

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Agreement shall prevail.

Arm

CoreLink

™

GIC-600 Generic Interrupt Controller

reserved.

Non-Confidential

Contents

Arm

CoreLink

™

GIC-600 Generic Interrupt

Controller Technical Reference Manual

Preface

About this book ...................................................... ...................................................... 7

Feedback .................................................................................................................... 10

Chapter 1 Introduction

1.1 About the GIC-600 ................................................. ................................................. 1-12

1.2 Components ............................................................................................................ 1-13

1.3 Compliance .............................................................................................................. 1-17

1.4 Features .................................................................................................................. 1-18

1.5 Test features ............................................................................................................ 1-19

1.6 Product documentation ............................................................................................ 1-20

1.7 Product revisions .................................................. .................................................. 1-21

Chapter 2 Components and configuration

2.1 Distributor ................................................................................................................ 2-23

2.2 Redistributor ............................................................................................................ 2-29

2.3 ITS ............................................................. ............................................................. 2-32

2.4 MSI-64 Encapsulator ............................................... ............................................... 2-38

2.5 SPI Collator ...................................................... ...................................................... 2-41

2.6 Wake Request .................................................... .................................................... 2-43

2.7 Interconnect ...................................................... ...................................................... 2-44

2.8 Hierarchy ........................................................ ........................................................ 2-45

reserved.

Non-Confidential

Chapter 3 Operation

3.1 Interrupt types .......................................................................................................... 3-48

3.2 Interrupt groups ................................................... ................................................... 3-51

3.3 Physical interrupt signals (PPIs and SPIs) .............................................................. 3-52

3.4 Affinity routing and assignment ....................................... ....................................... 3-53

3.5 1 of N SPI interrupt selection ......................................... ......................................... 3-55

3.6 Power management ................................................................................................ 3-57

3.7 Getting started .................................................... .................................................... 3-60

3.8 Security .................................................................................................................... 3-61

3.9 Backwards compatibility .......................................................................................... 3-63

3.10 Interrupt translation service (ITS) ............................................................................ 3-64

3.11 LPI caching .............................................................................................................. 3-67

3.12 Memory access and attributes ........................................ ........................................ 3-68

3.13 MSI-64 .......................................................... .......................................................... 3-70

3.14 RAM ............................................................ ............................................................ 3-71

3.15 Performance Monitoring Unit ......................................... ......................................... 3-72

3.16 Reliability, Accessibility, and Serviceability .............................................................. 3-74

3.17 Multichip operation .................................................................................................. 3-96

Chapter 4 Programmer's model

4.1 The GIC-600 registers ............................................. ............................................. 4-103

4.2 Distributor registers (GICD/GICDA) summary ........................... ........................... 4-106

4.3 Distributor registers (GICA) for message-based SPIs summary ............. ............. 4-125

4.4 Redistributor registers for control and physical LPIs summary .............. .............. 4-126

4.5 Redistributor registers for SGIs and PPIs summary .............................................. 4-135

4.6 ITS control register summary ................................................................................ 4-141

4.7 ITS translation register summary ..................................... ..................................... 4-152

4.8 GICT register summary ............................................ ............................................ 4-153

4.9 GICP register summary ............................................ ............................................ 4-171

Appendix A Signal descriptions

A.1 Common control signals .............................................................................. Appx-A-186

A.2 Power control signals ......................................... ......................................... Appx-A-188

A.3 Interrupt signals ............................................. ............................................. Appx-A-189

A.4 CPU interface signals .................................................................................. Appx-A-190

A.5 ACE interface signals .................................................................................. Appx-A-191

A.6 Miscellaneous signals .................................................................................. Appx-A-196

A.7 Interblock signals ............................................ ............................................ Appx-A-197

A.8 Interdomain signals ...................................................................................... Appx-A-200

A.9 Interchip signals ............................................. ............................................. Appx-A-201

Appendix B Implementation-defined features

B.1 Implementation-defined features reference ........................ ........................ Appx-B-203

Appendix C Revisions

C.1 Revisions .................................................. .................................................. Appx-C-206

reserved.

Non-Confidential

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