NXP MPC8544E Reference guide

MPC8544E PowerQUICC™ III

Integrated Host Processor

Family Reference Manual

Supports

MPC8544E

MPC8544

MPC8544ERM

Rev. 1

10/2007

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Rev. 1, 10/2007

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Part I—Overview I

Overview 1

Memory Map 2

Signal Descriptions 3

Reset, Clocking, and Initialization 4

Part II—e500 Core Complex and L2 Cache II

Core Complex Overview 5

Core Register Summary 6

L2 Look-Aside Cache/SRAM 7

Part III—Memory, Security, and I/O Interfaces III

e500 Coherency Module 8

DDR Memory Controller 9

Programmable Interrupt Controller 10

I

2

C Interfaces 11

Security Engine (SEC) 2.1 12

DUART 13

Local Bus Controller 14

Enhanced Three-Speed Ethernet Controllers 15

DMA Controller 16

PCI Bus Interface 17

PCI Express Interface Controller 18

Part IV—Global Functions and Debug IV

Global Utilities 19

Device Performance Monitor 20

Debug Features and Watchpoint Facility 21

Revision History A

Complete List of Configuration, Control, and Status Registers B

Glossary GLO

Index IND

I Part I—Overview

1 Overview

2 Memory Map

3 Signal Descriptions

4 Reset, Clocking, and Initialization

II Part II—e500 Core Complex and L2 Cache

5 Core Complex Overview

6 Core Register Summary

7 L2 Look-Aside Cache/SRAM

III Part III—Memory, Security, and I/O Interfaces

8 e500 Coherency Module

9 DDR Memory Controller

10 Programmable Interrupt Controller

11 I

2

C Interfaces

12 Security Engine (SEC) 2.1

13 DUART

14 Local Bus Controller

15 Enhanced Three-Speed Ethernet Controllers

16 DMA Controller

17 PCI Bus Interface

18 PCI Express Interface Controller

IV Part IV—Global Functions and Debug

19 Global Utilities

20 Device Performance Monitor

21 Debug Features and Watchpoint Facility

A Revision History

B Complete List of Configuration, Control, and Status Registers

GLO Glossary

IND Index

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Co nt ents

About This Book

Part I

Overview

Chapter 1

Overview

1.1 Introduction......................................................................................................................1-1

1.2 MPC8544E Overview...................................................................................................... 1-2

1.2.1 Key Features ................................................................................................................1-2

1.3 MPC8544E Architecture Overview.................................................................................1-8

1.3.1 e500 Core Overview.................................................................................................... 1-8

1.3.2 On-Chip Memory Unit............................................................................................... 1-12

1.3.3 On-Chip Memory as Memory-Mapped SRAM.........................................................1-13

1.3.4 On-Chip Memory as L2 Cache.................................................................................. 1-13

1.3.5 e500 Coherency Module (ECM)................................................................................ 1-14

1.3.6 DDR SDRAM Controller .......................................................................................... 1-14

1.3.7 Programmable Interrupt Controller (PIC).................................................................. 1-15

1.3.8 Integrated Security Engine (SEC) for the MPC8544E.............................................. 1-15

1.3.9 I

2

C Controllers........................................................................................................... 1-16

1.3.10 Boot Sequencer.......................................................................................................... 1-17

1.3.11 Dual Universal Asynchronous Receiver/Transmitter (DUART)...............................1-17

1.3.12 Local Bus Controller.................................................................................................. 1-17

1.3.13 Enhanced Three-Speed Ethernet Controllers (eTSECs)............................................ 1-18

1.3.14 OceaN Switch Fabric................................................................................................. 1-19

1.3.15 Integrated DMA......................................................................................................... 1-19

1.3.16 PCI Controller............................................................................................................1-19

1.3.17 PCI Express Interface ............................................................................................... 1-19

1.3.18 Power Management ................................................................................................... 1-20

1.3.19 Clocking..................................................................................................................... 1-20

1.3.20 Address Map.............................................................................................................. 1-20

1.3.21 Processing Across the On-Chip Fabric...................................................................... 1-21

1.3.22 Data Processing with the e500 Coherency Module...................................................1-21

1.4 Application Examples.................................................................................................... 1-21

1.4.1 Multifunction Router Application ............................................................................. 1-22

1.4.2 Multifunction Printer Application ............................................................................. 1-23

1.4.3 Security Appliance..................................................................................................... 1-24

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1.4.4 IP SAN Host Adapter ................................................................................................ 1-25

1.4.5 VoIP Aggregation Application................................................................................... 1-26

Chapter 2

Memory Map

2.1 Local Memory Map Overview and Example .................................................................. 2-1

2.2 Address Translation and Mapping................................................................................... 2-3

2.2.1 SRAM Windows.......................................................................................................... 2-4

2.2.2 Window into Configuration Space...............................................................................2-4

2.2.3 Local Access Windows................................................................................................2-4

2.2.3.1 Local Access Register Memory Map ...................................................................... 2-5

2.2.3.2 Local Access IP Block Revision Register 1 (LAIPBRR1)...................................... 2-6

2.2.3.3 Local Access IP Block Revision Register 2 (LAIPBRR2)...................................... 2-6

2.2.3.4 Local Access Window n Base Address Registers (LAWBAR0–LAWBAR9)........2-7

2.2.3.5 Local Access Window n Attributes Registers (LAWAR0–LAWAR9).................... 2-7

2.2.3.6 Precedence of Local Access Windows....................................................................2-8

2.2.3.7 Configuring Local Access Windows.......................................................................2-8

2.2.3.8 Distinguishing Local Access Windows from Other Mapping Functions................2-9

2.2.3.9 Illegal Interaction Between Local Access Windows and DDR

SDRAM Chip Selects.......................................................................................... 2-9

2.2.4 Outbound Address Translation and Mapping Windows.............................................. 2-9

2.2.5 Inbound Address Translation and Mapping Windows ................................................ 2-9

2.2.5.1 PCI Inbound ATMU ..............................................................................................2-10

2.2.5.2 PCI Express Inbound ATMU................................................................................. 2-10

2.2.5.3 Illegal Interaction Between Inbound ATMUs and Local Access Windows .......... 2-10

2.3 Configuration, Control, and Status Register Map.......................................................... 2-10

2.3.1 Accessing CCSR Memory from the Local Processor................................................ 2-10

2.3.2 Accessing CCSR Memory from External Masters.................................................... 2-11

2.3.3 Organization of CCSR Memory ................................................................................ 2-11

2.3.4 General Utilities Registers.........................................................................................2-12

2.3.5 Interrupt Controller and CCSR.................................................................................. 2-13

2.3.6 Device-Specific Utilities............................................................................................ 2-13

2.4 Complete CCSR Map .................................................................................................... 2-14

Chapter 3

Signal Descriptions

3.1 Signals Overview.............................................................................................................3-1

3.2 Configuration Signals Sampled at Reset ....................................................................... 3-15

3.3 Output Signal States During Reset ................................................................................ 3-17

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Chapter 4

Reset, Clocking, and Initialization

4.1 Overview.......................................................................................................................... 4-1

4.2 External Signal Descriptions ........................................................................................... 4-1

4.2.1 System Control Signals................................................................................................ 4-2

4.2.2 Clock Signals...............................................................................................................4-3

4.3 Memory Map/Register Definition ................................................................................... 4-4

4.3.1 Local Configuration Control........................................................................................ 4-4

4.3.1.1 Accessing Configuration, Control, and Status Registers.........................................4-4

4.3.1.1.1 Updating CCSRBAR........................................................................................... 4-4

4.3.1.1.2 Configuration, Control, and Status Base Address Register (CCSRBAR)........... 4-5

4.3.1.2 Accessing Alternate Configuration Space............................................................... 4-6

4.3.1.2.1 Alternate Configuration Base Address Register (ALTCBAR)............................4-6

4.3.1.2.2 Alternate Configuration Attribute Register (ALTCAR)...................................... 4-6

4.3.1.3 Boot Page Translation.............................................................................................. 4-7

4.3.1.3.1 Boot Page Translation Register (BPTR).............................................................. 4-7

4.3.2 Boot Sequencer............................................................................................................4-8

4.4 Functional Description..................................................................................................... 4-8

4.4.1 Reset Operations.......................................................................................................... 4-8

4.4.1.1 Soft Reset.................................................................................................................4-8

4.4.1.2 Hard Reset ...............................................................................................................4-8

4.4.2 Power-On Reset Sequence........................................................................................... 4-9

4.4.3 Power-On Reset Configuration.................................................................................. 4-10

4.4.3.1 System PLL Ratio.................................................................................................. 4-11

4.4.3.2 e500 Core PLL Ratio............................................................................................. 4-12

4.4.3.3 SEC Frequency Ratio Configuration..................................................................... 4-13

4.4.3.4 Boot ROM Location .............................................................................................. 4-13

4.4.3.5 Host/Agent Configuration ..................................................................................... 4-14

4.4.3.6 I/O Port Selection .................................................................................................. 4-15

4.4.3.7 CPU Boot Configuration ....................................................................................... 4-16

4.4.3.8 Boot Sequencer Configuration .............................................................................. 4-17

4.4.3.9 DDR SDRAM Type............................................................................................... 4-18

4.4.3.10 eTSEC1 Serial GMII and eTSEC3 Serial GMII.................................................... 4-18

4.4.3.11 eTSEC1 Width....................................................................................................... 4-19

4.4.3.12 eTSEC3 Width....................................................................................................... 4-19

4.4.3.13 eTSEC1 Protocol ................................................................................................... 4-19

4.4.3.14 eTSEC3 Protocol ................................................................................................... 4-20

4.4.3.15 SGMII SerDes Reference Clock Configuration....................................................4-20

4.4.3.16 PCI Clock Selection............................................................................................... 4-21

4.4.3.17 PCI Speed Configuration....................................................................................... 4-21

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4.4.3.18 PCI I/O Impedance ................................................................................................ 4-21

4.4.3.19 PCI Arbiter Configuration..................................................................................... 4-22

4.4.3.20 Memory Debug Configuration .............................................................................. 4-22

4.4.3.21 DDR Debug Configuration.................................................................................... 4-22

4.4.3.22 General-Purpose POR Configuration .................................................................... 4-23

4.4.4 Clocking.....................................................................................................................4-23

4.4.4.1 System Clock/PCI Clock ....................................................................................... 4-23

4.4.4.2 PCI Express and SGMII Clocks ............................................................................ 4-24

4.4.4.2.1 Minimum Frequency Requirements.................................................................. 4-24

4.4.4.3 Ethernet Clocks...................................................................................................... 4-25

4.4.4.4 Real Time Clock.................................................................................................... 4-25

Part II

e500 Core Complex and L2 Cache

Chapter 5

Core Complex Overview

5.1 Overview.......................................................................................................................... 5-1

5.1.1 Upward Compatibility ................................................................................................. 5-3

5.1.2 Core Complex Summary ............................................................................................. 5-3

5.2 e500 Processor and System Version Numbers................................................................. 5-4

5.3 Features............................................................................................................................5-5

5.3.1 e500v2 Differences.................................................................................................... 5-10

5.4 Instruction Set................................................................................................................ 5-11

5.5 Instruction Flow.............................................................................................................5-13

5.5.1 Initial Instruction Fetch..............................................................................................5-13

5.5.2 Branch Detection and Prediction............................................................................... 5-13

5.5.3 e500 Execution Pipeline............................................................................................ 5-14

5.6 Programming Model...................................................................................................... 5-16

5.7 On-Chip Cache Implementation.................................................................................... 5-18

5.8 Interrupts and Exception Handling................................................................................ 5-18

5.8.1 Exception Handling ................................................................................................... 5-18

5.8.2 Interrupt Classes ........................................................................................................ 5-19

5.8.3 Interrupt Types........................................................................................................... 5-19

5.8.4 Upper Bound on Interrupt Latencies ......................................................................... 5-20

5.8.5 Interrupt Registers...................................................................................................... 5-20

5.9 Memory Management.................................................................................................... 5-22

5.9.1 Address Translation ................................................................................................... 5-24

5.9.2 MMU Assist Registers (MAS0–MAS4 and MAS6–MAS7).....................................5-25

5.9.3 Process ID Registers (PID0–PID2)............................................................................ 5-26

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5.9.4 TLB Coherency.......................................................................................................... 5-26

5.10 Memory Coherency ....................................................................................................... 5-26

5.10.1 Atomic Update Memory References ......................................................................... 5-26

5.10.2 Memory Access Ordering.......................................................................................... 5-27

5.10.3 Cache Control Instructions ........................................................................................ 5-27

5.10.4 Programmable Page Characteristics .......................................................................... 5-27

5.11 Core Complex Bus (CCB)............................................................................................. 5-27

5.12 Performance Monitoring................................................................................................ 5-28

5.12.1 Global Control Register............................................................................................. 5-28

5.12.2 Performance Monitor Counter Registers................................................................... 5-28

5.12.3 Local Control Registers ............................................................................................. 5-28

5.13 Legacy Support of Power Architecture Technology......................................................5-29

5.13.1 Instruction Set Compatibility.....................................................................................5-29

5.13.1.1 User Instruction Set ............................................................................................... 5-29

5.13.1.2 Supervisor Instruction Set...................................................................................... 5-29

5.13.2 Memory Subsystem ................................................................................................... 5-30

5.13.3 Exception Handling ................................................................................................... 5-30

5.13.4 Memory Management................................................................................................ 5-30

5.13.5 Reset...........................................................................................................................5-30

5.13.6 Little-Endian Mode....................................................................................................5-31

5.14 PowerQUICC III Implementation Details ..................................................................... 5-31

Chapter 6

Core Register Summary

6.1 Overview.......................................................................................................................... 6-1

6.1.1 Register Set.................................................................................................................. 6-1

6.2 Register Model for 32-Bit Implementations.................................................................... 6-3

6.2.1 Special-Purpose Registers (SPRs) ............................................................................... 6-4

6.3 Registers for Computational Operations.......................................................................... 6-8

6.3.1 General-Purpose Registers (GPRs).............................................................................. 6-8

6.3.2 Integer Exception Register (XER)............................................................................... 6-8

6.4 Registers for Branch Operations...................................................................................... 6-9

6.4.1 Condition Register (CR).............................................................................................. 6-9

6.4.2 Link Register (LR)..................................................................................................... 6-11

6.4.3 Count Register (CTR)................................................................................................ 6-11

6.5 Processor Control Registers........................................................................................... 6-11

6.5.1 Machine State Register (MSR).................................................................................. 6-11

6.5.2 Processor ID Register (PIR) ...................................................................................... 6-13

6.5.3 Processor Version Register (PVR)............................................................................. 6-13

6.5.4 System Version Register (SVR)................................................................................. 6-14

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6.6 Timer Registers..............................................................................................................6-14

6.6.1 Timer Control Register (TCR)................................................................................... 6-14

6.6.2 Timer Status Register (TSR)...................................................................................... 6-15

6.6.3 Time Base Registers .................................................................................................. 6-16

6.6.4 Decrementer Register ................................................................................................ 6-16

6.6.5 Decrementer Auto-Reload Register (DECAR)..........................................................6-17

6.7 Interrupt Registers..........................................................................................................6-17

6.7.1 Interrupt Registers Defined by the Embedded and Base Categories......................... 6-17

6.7.1.1 Save/Restore Register 0 (SRR0)............................................................................ 6-17

6.7.1.2 Save/Restore Register 1 (SRR1)............................................................................ 6-17

6.7.1.3 Critical Save/Restore Register 0 (CSRR0)............................................................ 6-17

6.7.1.4 Critical Save/Restore Register 1 (CSRR1)............................................................ 6-18

6.7.1.5 Data Exception Address Register (DEAR)............................................................ 6-18

6.7.1.6 Interrupt Vector Prefix Register (IVPR)................................................................ 6-18

6.7.1.7 Interrupt Vector Offset Registers (IVORn)............................................................6-18

6.7.1.8 Exception Syndrome Register (ESR) .................................................................... 6-19

6.7.2 Additional Interrupt Registers ................................................................................... 6-20

6.7.2.1 Machine Check Save/Restore Register 0 (MCSRR0) ...........................................6-20

6.7.2.2 Machine Check Save/Restore Register 1 (MCSRR1) ...........................................6-20

6.7.2.3 Machine Check Address Register (MCAR/MCARU) .......................................... 6-21

6.7.2.4 Machine Check Syndrome Register (MCSR)........................................................ 6-21

6.8 Software-Use SPRs (SPRG0–SPRG7 and USPRG0) ................................................... 6-22

6.9 Branch Target Buffer (BTB) Registers.......................................................................... 6-23

6.9.1 Branch Buffer Entry Address Register (BBEAR)..................................................... 6-23

6.9.2 Branch Buffer Target Address Register (BBTAR) ....................................................6-23

6.9.3 Branch Unit Control and Status Register (BUCSR)..................................................6-24

6.10 Hardware Implementation-Dependent Registers........................................................... 6-25

6.10.1 Hardware Implementation-Dependent Register 0 (HID0).........................................6-25

6.10.2 Hardware Implementation-Dependent Register 1 (HID1).........................................6-26

6.11 L1 Cache Configuration Registers................................................................................. 6-28

6.11.1 L1 Cache Control and Status Register 0 (L1CSR0) .................................................. 6-28

6.11.2 L1 Cache Control and Status Register 1 (L1CSR1) .................................................. 6-29

6.11.3 L1 Cache Configuration Register 0 (L1CFG0) .........................................................6-30

6.11.4 L1 Cache Configuration Register 1 (L1CFG1) .........................................................6-31

6.12 MMU Registers.............................................................................................................. 6-32

6.12.1 Process ID Registers (PID0–PID2)............................................................................ 6-32

6.12.2 MMU Control and Status Register 0 (MMUCSR0).................................................. 6-32

6.12.3 MMU Configuration Register (MMUCFG) .............................................................. 6-32

6.12.4 TLB Configuration Registers (TLBnCFG)................................................................ 6-33

6.12.4.1 TLB0 Configuration Register 0 (TLB0CFG)........................................................ 6-33

6.12.4.2 TLB1 Configuration Register 1 (TLB1CFG)........................................................ 6-34

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6.12.5 MMU Assist Registers............................................................................................... 6-35

6.12.5.1 MAS Register 0 (MAS0)....................................................................................... 6-35

6.12.5.2 MAS Register 1 (MAS1)....................................................................................... 6-35

6.12.5.3 MAS Register 2 (MAS2)....................................................................................... 6-36

6.12.5.4 MAS Register 3 (MAS3)....................................................................................... 6-37

6.12.5.5 MAS Register 4 (MAS4)....................................................................................... 6-38

6.12.5.6 MAS Register 6 (MAS6)....................................................................................... 6-38

6.12.5.7 MAS Register 7 (MAS7)....................................................................................... 6-39

6.13 Debug Registers.............................................................................................................6-39

6.13.1 Debug Control Registers (DBCR0–DBCR2)............................................................6-39

6.13.1.1 Debug Control Register 0 (DBCR0)......................................................................6-39

6.13.1.2 Debug Control Register 1 (DBCR1)......................................................................6-41

6.13.1.3 Debug Control Register 2 (DBCR2)......................................................................6-42

6.13.2 Debug Status Register (DBSR).................................................................................. 6-43

6.13.3 Instruction Address Compare Registers (IAC1–IAC2).............................................6-45

6.13.4 Data Address Compare Registers (DAC1–DAC2).................................................... 6-45

6.14 Signal Processing and Embedded Floating-Point Status

and Control Register (SPEFSCR).............................................................................. 6-45

6.14.1 Accumulator (ACC)................................................................................................... 6-47

6.15 Performance Monitor Registers (PMRs) ....................................................................... 6-48

6.15.1 Global Control Register 0 (PMGC0, UPMGC0).......................................................6-49

6.15.2 Local Control A Registers (PMLCa0–PMLCa3, UPMLCa0–UPMLCa3)............... 6-50

6.15.3 Local Control B Registers (PMLCb0–PMLCb3, UPMLCb0–UPMLCb3) ..............6-51

6.15.4 Performance Monitor Counter Registers (PMC0–PMC3, UPMC0–UPMC3).......... 6-52

Chapter 7

L2 Look-Aside Cache/SRAM

7.1 L2 Cache Overview ......................................................................................................... 7-1

7.1.1 L2 Cache and SRAM Features .................................................................................... 7-2

7.2 L2 Cache and SRAM Organization................................................................................. 7-4

7.2.1 Accessing the On-Chip Array as an L2 Cache ............................................................7-5

7.2.2 Accessing the On-Chip Array as an SRAM ................................................................ 7-5

7.2.3 Connection of the On-Chip Memory to the System.................................................... 7-7

7.3 Memory Map/Register Definition ................................................................................... 7-8

7.3.1 L2/SRAM Register Descriptions............................................................................... 7-10

7.3.1.1 L2 Control Register (L2CTL)................................................................................ 7-10

7.3.1.2 L2 Cache External Write Registers ....................................................................... 7-13

7.3.1.2.1 L2 Cache External Write Address Registers 0–3 (L2CEWARn)...................... 7-13

7.3.1.2.2 L2 Cache External Write Address Registers Extended Address 0–3

(L2CEWAREAn)........................................................................................... 7-14

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7.3.1.2.3 L2 Cache External Write Control Registers 0–3 (L2CEWCRn)....................... 7-14

7.3.1.3 L2 Memory-Mapped SRAM Registers ................................................................. 7-15

7.3.1.3.1 L2 Memory-Mapped SRAM Base Address Registers 0–1 (L2SRBARn) ........ 7-16

7.3.1.3.2 L2 Memory-Mapped SRAM Base Address Registers Extended Address 0–1

(L2SRBAREAn)............................................................................................ 7-17

7.3.1.4 L2 Error Registers.................................................................................................. 7-17

7.3.1.4.1 Error Injection Registers.................................................................................... 7-18

7.3.1.4.2 Error Control and Capture Registers ................................................................. 7-20

7.4 External Writes to the L2 Cache (Cache Stashing)........................................................ 7-25

7.4.1 Stash-Only Cache Regions ........................................................................................ 7-26

7.5 L2 Cache Timing ...........................................................................................................7-27

7.6 L2 Cache and SRAM Coherency................................................................................... 7-27

7.6.1 L2 Cache Coherency Rules........................................................................................ 7-28

7.6.2 Memory-Mapped SRAM Coherency Rules .............................................................. 7-29

7.7 L2 Cache Locking.......................................................................................................... 7-29

7.7.1 Locking the Entire L2 Cache..................................................................................... 7-29

7.7.2 Locking Programmed Memory Ranges..................................................................... 7-30

7.7.3 Locking Selected Lines.............................................................................................. 7-30

7.7.4 Clearing Locks on Selected Lines ............................................................................. 7-30

7.7.5 Flash Clearing of Instruction and Data Locks........................................................... 7-31

7.7.6 Locks with Stale Data................................................................................................ 7-31

7.8 PLRU L2 Replacement Policy....................................................................................... 7-31

7.8.1 PLRU Bit Update Considerations.............................................................................. 7-32

7.8.2 Allocation of Lines .................................................................................................... 7-32

7.9 L2 Cache Operation....................................................................................................... 7-33

7.9.1 Initialization...............................................................................................................7-33

7.9.1.1 L2 Cache Initialization .......................................................................................... 7-33

7.9.1.2 Memory-Mapped SRAM Initialization ................................................................. 7-33

7.9.2 Flash Invalidation of the L2 Cache............................................................................ 7-34

7.9.3 Managing Errors ........................................................................................................ 7-34

7.9.3.1 ECC Errors............................................................................................................. 7-34

7.9.3.2 Tag Parity Errors.................................................................................................... 7-34

7.9.4 L2 Cache States ......................................................................................................... 7-34

7.9.5 L2 State Transitions ................................................................................................... 7-35

7.9.6 Error Checking and Correcting (ECC) ...................................................................... 7-39

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Part III

Memory, Security, and I/O Interfaces

Chapter 8

e500 Coherency Module

8.1 Introduction......................................................................................................................8-1

8.1.1 Overview......................................................................................................................8-2

8.1.2 Features........................................................................................................................8-2

8.2 Memory Map/Register Definition ................................................................................... 8-3

8.2.1 Register Descriptions................................................................................................... 8-3

8.2.1.1 ECM CCB Address Configuration Register (EEBACR) ........................................ 8-3

8.2.1.2 ECM CCB Port Configuration Register (EEBPCR) ...............................................8-4

8.2.1.3 ECM IP Block Revision Register 1 (EIPBRR1) .....................................................8-5

8.2.1.4 ECM IP Block Revision Register 2 (EIPBRR2) .....................................................8-5

8.2.1.5 ECM Error Detect Register (EEDR) ....................................................................... 8-6

8.2.1.6 ECM Error Enable Register (EEER)....................................................................... 8-7

8.2.1.7 ECM Error Attributes Capture Register (EEATR).................................................. 8-7

8.2.1.8 ECM Error Low Address Capture Register (EELADR) .........................................8-8

8.2.1.9 ECM Error High Address Capture Register (EEHADR) ........................................8-9

8.3 Functional Description..................................................................................................... 8-9

8.3.1 I/O Arbiter....................................................................................................................8-9

8.3.2 CCB Arbiter................................................................................................................. 8-9

8.3.3 Transaction Queue ..................................................................................................... 8-10

8.3.4 Global Data Multiplexor............................................................................................ 8-10

8.3.5 CCB Interface ............................................................................................................8-10

8.4 Initialization/Application Information...........................................................................8-10

Chapter 9

DDR Memory Controller

9.1 Introduction......................................................................................................................9-1

9.2 Features............................................................................................................................9-2

9.2.1 Modes of Operation ..................................................................................................... 9-3

9.3 External Signal Descriptions ........................................................................................... 9-3

9.3.1 Signals Overview......................................................................................................... 9-3

9.3.2 Detailed Signal Descriptions ....................................................................................... 9-5

9.3.2.1 Memory Interface Signals........................................................................................ 9-5

9.3.2.2 Clock Interface Signals............................................................................................ 9-9

9.3.2.3 Debug Signals.......................................................................................................... 9-9

9.4 Memory Map/Register Definition ................................................................................... 9-9

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9.4.1 Register Descriptions................................................................................................. 9-11

9.4.1.1 Chip Select Memory Bounds (CSn_BNDS).......................................................... 9-11

9.4.1.2 Chip Select Configuration (CSn_CONFIG).......................................................... 9-11

9.4.1.3 DDR SDRAM Timing Configuration 3 (TIMING_CFG_3).................................9-13

9.4.1.4 DDR SDRAM Timing Configuration 0 (TIMING_CFG_0).................................9-14

9.4.1.5 DDR SDRAM Timing Configuration 1 (TIMING_CFG_1).................................9-16

9.4.1.6 DDR SDRAM Timing Configuration 2 (TIMING_CFG_2).................................9-18

9.4.1.7 DDR SDRAM Control Configuration (DDR_SDRAM_CFG)............................. 9-20

9.4.1.8 DDR SDRAM Control Configuration 2 (DDR_SDRAM_CFG_2)......................9-23

9.4.1.9 DDR SDRAM Mode Configuration (DDR_SDRAM_MODE)............................ 9-25

9.4.1.10 DDR SDRAM Mode 2 Configuration (DDR_SDRAM_MODE_2).....................9-26

9.4.1.11 DDR SDRAM Mode Control Register (DDR_SDRAM_MD_CNTL)................. 9-26

9.4.1.12 DDR SDRAM Interval Configuration (DDR_SDRAM_INTERVAL) ................. 9-29

9.4.1.13 DDR SDRAM Data Initialization (DDR_DATA_INIT) .......................................9-29

9.4.1.14 DDR SDRAM Clock Control (DDR_SDRAM_CLK_CNTL).............................9-30

9.4.1.15 DDR Initialization Address (DDR_INIT_ADDR)................................................ 9-30

9.4.1.16 DDR Initialization Enable Extended Address (DDR_INIT_EXT_ADDR).......... 9-31

9.4.1.17 DDR IP Block Revision 1 (DDR_IP_REV1)........................................................9-32

9.4.1.18 DDR IP Block Revision 2 (DDR_IP_REV2)........................................................9-32

9.4.1.19 Memory Data Path Error Injection Mask High (DATA_ERR_INJECT_HI)........ 9-33

9.4.1.20 Memory Data Path Error Injection Mask Low (DATA_ERR_INJECT_LO)........9-33

9.4.1.21 Memory Data Path Error Injection Mask ECC (ERR_INJECT)........................... 9-34

9.4.1.22 Memory Data Path Read Capture High (CAPTURE_DATA_HI)......................... 9-34

9.4.1.23 Memory Data Path Read Capture Low (CAPTURE_DATA_LO)........................ 9-35

9.4.1.24 Memory Data Path Read Capture ECC (CAPTURE_ECC).................................. 9-35

9.4.1.25 Memory Error Detect (ERR_DETECT)................................................................ 9-35

9.4.1.26 Memory Error Disable (ERR_DISABLE)............................................................. 9-36

9.4.1.27 Memory Error Interrupt Enable (ERR_INT_EN).................................................. 9-37

9.4.1.28 Memory Error Attributes Capture (CAPTURE_ATTRIBUTES).......................... 9-38

9.4.1.29 Memory Error Address Capture (CAPTURE_ADDRESS) .................................. 9-39

9.4.1.30 Memory Error Extended Address Capture (CAPTURE_EXT_ADDRESS)......... 9-40

9.4.1.31 Single-Bit ECC Memory Error Management (ERR_SBE) ...................................9-40

9.5 Functional Description................................................................................................... 9-41

9.5.1 DDR SDRAM Interface Operation............................................................................ 9-45

9.5.1.1 Supported DDR SDRAM Organizations...............................................................9-45

9.5.2 DDR SDRAM Address Multiplexing........................................................................ 9-47

9.5.3 JEDEC Standard DDR SDRAM Interface Commands ............................................. 9-52

9.5.4 DDR SDRAM Interface Timing................................................................................ 9-54

9.5.4.1 Clock Distribution ................................................................................................. 9-57

9.5.5 DDR SDRAM Mode-Set Command Timing.............................................................9-58

9.5.6 DDR SDRAM Registered DIMM Mode................................................................... 9-59

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9.5.7 DDR SDRAM Write Timing Adjustments................................................................ 9-59

9.5.8 DDR SDRAM Refresh .............................................................................................. 9-60

9.5.8.1 DDR SDRAM Refresh Timing.............................................................................. 9-61

9.5.8.2 DDR SDRAM Refresh and Power-Saving Modes................................................ 9-61

9.5.8.2.1 Self-Refresh in Sleep Mode............................................................................... 9-63

9.5.9 DDR Data Beat Ordering........................................................................................... 9-64

9.5.10 Page Mode and Logical Bank Retention ................................................................... 9-64

9.5.11 Error Checking and Correcting (ECC) ...................................................................... 9-65

9.5.12 Error Management..................................................................................................... 9-67

9.6 Initialization/Application Information...........................................................................9-68

9.6.1 Programming Differences Between Memory Types.................................................. 9-69

9.6.2 DDR SDRAM Initialization Sequence...................................................................... 9-72

9.6.3 Using Forced Self-Refresh Mode to Implement a Battery-Backed

RAM System ......................................................................................................... 9-72

9.6.3.1 Hardware Based Self-Refresh................................................................................ 9-72

9.6.3.2 Software Based Self-Refresh................................................................................. 9-73

9.6.3.3 Bypassing Re-initialization During Battery-Backed Operation............................ 9-73

Chapter 10

Programmable Interrupt Controller

10.1 Introduction....................................................................................................................10-1

10.1.1 Overview....................................................................................................................10-1

10.1.2 Features......................................................................................................................10-3

10.1.3 Interrupts to the Processor Core................................................................................. 10-3

10.1.4 Modes of Operation ................................................................................................... 10-4

10.1.4.1 Mixed Mode (GCR[M] = 1) .................................................................................. 10-4

10.1.4.2 Pass-Through Mode (GCR[M] = 0) ...................................................................... 10-5

10.1.5 Interrupt Sources........................................................................................................ 10-5

10.1.5.1 Interrupt Routing—Mixed Mode...........................................................................10-6

10.1.5.2 Internal Interrupt Sources ...................................................................................... 10-6

10.2 External Signal Descriptions ......................................................................................... 10-7

10.2.1 Signal Overview ........................................................................................................ 10-7

10.2.2 Detailed Signal Descriptions ..................................................................................... 10-8

10.3 Memory Map/Register Definition ................................................................................. 10-9

10.3.1 Global Registers....................................................................................................... 10-18

10.3.1.1 Block Revision Register 1 (BRR1)...................................................................... 10-18

10.3.1.2 Block Revision Register 2 (BRR2)...................................................................... 10-19

10.3.1.3 Feature Reporting Register (FRR)....................................................................... 10-19

10.3.1.4 Global Configuration Register (GCR)................................................................. 10-20

10.3.1.5 Vendor Identification Register (VIR) .................................................................. 10-21

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10.3.1.6 Processor Initialization Register (PIR)................................................................10-21

10.3.1.7 IPI Vector/Priority Registers (IPIVPRn) ............................................................. 10-22

10.3.1.8 Spurious Vector Register (SVR).......................................................................... 10-23

10.3.2 Global Timer Registers............................................................................................ 10-23

10.3.2.1 Timer Frequency Reporting Register (TFRR).....................................................10-23

10.3.2.2 Global Timer Current Count Registers (GTCCRn) ............................................. 10-24

10.3.2.3 Global Timer Base Count Registers (GTBCRn).................................................. 10-24

10.3.2.4 Global Timer Vector/Priority Registers (GTVPRn).............................................10-25

10.3.2.5 Global Timer Destination Registers (GTDRn)....................................................10-26

10.3.2.6 Timer Control Register (TCR)............................................................................. 10-26

10.3.3 External, IRQ_OUT, and Critical Interrupt Summary Registers............................. 10-28

10.3.3.1 External Interrupt Summary Register (ERQSR) .................................................10-28

10.3.3.2 IRQ_OUT Summary Register 0 (IRQSR0)......................................................... 10-29

10.3.3.3 IRQ_OUT Summary Register 1 (IRQSR1)......................................................... 10-30

10.3.3.4 IRQ_OUT Summary Register 2 (IRQSR2)......................................................... 10-30

10.3.3.5 Critical Interrupt Summary Register 0 (CISR0)..................................................10-31

10.3.3.6 Critical Interrupt Summary Register 1 (CISR1)..................................................10-31

10.3.3.7 Critical Interrupt Summary Register 2 (CISR2)..................................................10-32

10.3.4 Performance Monitor Mask Registers (PMMRs)....................................................10-32

10.3.4.1 Performance Monitor n Mask Registers 0 (PMnMR0) .......................................10-32

10.3.4.2 Performance Monitor n Mask Registers 1 (PMnMR1) .......................................10-33

10.3.4.3 Performance Monitor n Mask Registers 2 (PMnMR2) .......................................10-34

10.3.5 Message Registers.................................................................................................... 10-34

10.3.5.1 Message Registers (MSGR0–MSGR3)............................................................... 10-34

10.3.5.2 Message Enable Register (MER)......................................................................... 10-35

10.3.5.3 Message Status Register (MSR) .......................................................................... 10-35

10.3.6 Shared Message Signaled Registers ........................................................................ 10-36

10.3.6.1 Shared Message Signaled Interrupt Registers (MSIRs) ...................................... 10-36

10.3.6.2 Shared Message Signaled Interrupt Status Register (MSISR).............................10-36

10.3.6.3 Shared Message Signaled Interrupt Index Register (MSIIR)..............................10-37

10.3.6.4 Shared Message Signaled Interrupt Vector/Priority Register (MSIVPRn)..........10-38

10.3.6.5 Shared Message Signaled Interrupt Destination Register (MSIDRn)................. 10-38

10.3.7 Interrupt Source Configuration Registers................................................................ 10-39

10.3.7.1 External Interrupt Vector/Priority Registers (EIVPR0–EIVPR11) ..................... 10-39

10.3.7.2 External Interrupt Destination Registers (EIDR0–EIDR11) ...............................10-40

10.3.7.3 Internal Interrupt Vector/Priority Registers (IIVPR0–IIVPR47).........................10-41

10.3.7.4 Internal Interrupt Destination Registers (IIDR0–IIDR47) .................................. 10-42

10.3.7.5 Messaging Interrupt Vector/Priority Registers (MIVPR0–MIVPR3) .................10-43

10.3.7.6 Messaging Interrupt Destination Registers (MIDR0–MIDR3)........................... 10-43

10.3.8 Per-CPU Registers ................................................................................................... 10-44

10.3.8.1 Interprocessor Interrupt Dispatch Registers (IPIDR0–IPIDR3).......................... 10-45

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10.3.8.2 Processor Current Task Priority Register (CTPR)...............................................10-46

10.3.8.3 Who Am I Register (WHOAMI)......................................................................... 10-47

10.3.8.4 Processor Interrupt Acknowledge Register (IACK)............................................ 10-47

10.3.8.5 Processor End of Interrupt Register (EOI) ..........................................................10-48

10.4 Functional Description................................................................................................. 10-48

10.4.1 Flow of Interrupt Control......................................................................................... 10-48

10.4.1.1 Interrupt Source Priority...................................................................................... 10-50

10.4.1.2 Processor Current Task Priority........................................................................... 10-50

10.4.1.3 Interrupt Acknowledge........................................................................................ 10-50

10.4.2 Nesting of Interrupts................................................................................................ 10-51

10.4.3 Spurious Vector Generation..................................................................................... 10-51

10.4.4 Messaging Interrupts................................................................................................ 10-51

10.4.5 Shared Message Signaled Interrupts........................................................................ 10-51

10.4.6 PCI Express INTx.................................................................................................... 10-52

10.4.7 Global Timers .......................................................................................................... 10-52

10.4.8 Reset of the PIC....................................................................................................... 10-53

10.5 Initialization/Application Information.........................................................................10-53

10.5.1 Programming Guidelines......................................................................................... 10-53

10.5.1.1 PIC Registers ....................................................................................................... 10-54

10.5.1.2 Changing Interrupt Source Configuration........................................................... 10-55

Chapter 11

I

2

C Interfaces

11.1 Introduction.................................................................................................................... 11-1

11.1.1 Overview.................................................................................................................... 11-2

11.1.2 Features......................................................................................................................11-2

11.1.3 Modes of Operation ................................................................................................... 11-2

11.2 External Signal Descriptions ......................................................................................... 11-3

11.2.1 Signal Overview ........................................................................................................ 11-3

11.2.2 Detailed Signal Descriptions ..................................................................................... 11-3

11.3 Memory Map/Register Definition ................................................................................. 11-4

11.3.1 Register Descriptions................................................................................................. 11-5

11.3.1.1 I

2

C Address Register (I2CADR)........................................................................... 11-6

11.3.1.2 I

2

C Frequency Divider Register (I2CFDR)........................................................... 11-6

11.3.1.3 I

2

C Control Register (I2CCR)............................................................................... 11-7

11.3.1.4 I

2

C Status Register (I2CSR).................................................................................. 11-9

11.3.1.5 I

2

C Data Register (I2CDR).................................................................................. 11-10

11.3.1.6 Digital Filter Sampling Rate Register (I2CDFSRR) ............................................11-11

11.4 Functional Description..................................................................................................11-11

11.4.1 Transaction Protocol.................................................................................................11-11

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11.4.1.1 START Condition................................................................................................ 11-12

11.4.1.2 Slave Address Transmission................................................................................ 11-12

11.4.1.3 Repeated START Condition ................................................................................ 11-13

11.4.1.4 STOP Condition................................................................................................... 11-13

11.4.1.5 Protocol Implementation Details......................................................................... 11-14

11.4.1.5.1 Transaction Monitoring—Implementation Details.......................................... 11-14

11.4.1.5.2 Control Transfer—Implementation Details..................................................... 11-14

11.4.1.6 Address Compare—Implementation Details....................................................... 11-15

11.4.2 Arbitration Procedure .............................................................................................. 11-15

11.4.2.1 Arbitration Control .............................................................................................. 11-15

11.4.3 Handshaking ............................................................................................................ 11-16

11.4.4 Clock Control........................................................................................................... 11-16

11.4.4.1 Clock Synchronization......................................................................................... 11-16

11.4.4.2 Input Synchronization and Digital Filter ............................................................. 11-16

11.4.4.2.1 Input Signal Synchronization .......................................................................... 11-17

11.4.4.2.2 Filtering of SCL and SDA Lines ..................................................................... 11-17

11.4.4.3 Clock Stretching .................................................................................................. 11-17

11.4.5 Boot Sequencer Mode.............................................................................................. 11-17

11.4.5.1 EEPROM Calling Address .................................................................................. 11-19

11.4.5.2 EEPROM Data Format........................................................................................ 11-19

11.5 Initialization/Application Information......................................................................... 11-21

11.5.1 Initialization Sequence............................................................................................. 11-21

11.5.2 Generation of START .............................................................................................. 11-22

11.5.3 Post-Transfer Software Response............................................................................ 11-22

11.5.4 Generation of STOP................................................................................................. 11-23

11.5.5 Generation of Repeated START .............................................................................. 11-23

11.5.6 Generation of SCL When SDA Low....................................................................... 11-23

11.5.7 Slave Mode Interrupt Service Routine..................................................................... 11-23

11.5.7.1 Slave Transmitter and Received Acknowledge................................................... 11-24

11.5.7.2 Loss of Arbitration and Forcing of Slave Mode.................................................. 11-24

11.5.8 Interrupt Service Routine Flowchart........................................................................ 11-24

Chapter 12

Security Engine (SEC) 2.1

12.1 SEC 2.1 Architecture Overview .................................................................................... 12-2

12.1.1 Descriptors................................................................................................................. 12-4

12.1.2 Execution Units (EUs)............................................................................................... 12-5

12.1.2.1 Public Key Execution Unit (PKEU)...................................................................... 12-5

12.1.2.1.1 Elliptic Curve Operations..................................................................................12-5

12.1.2.1.2 Modular Exponentiation Operations ................................................................. 12-6

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12.1.2.2 Data Encryption Standard Execution Unit (DEU).................................................12-6

12.1.2.3 ARC Four Execution Unit (AFEU)....................................................................... 12-6

12.1.2.4 Message Digest Execution Unit (MDEU)............................................................. 12-7

12.1.2.5 Random Number Generator (RNG).......................................................................12-7

12.1.2.6 Advanced Encryption Standard Execution Unit (AESU)...................................... 12-7

12.1.2.7 Kasumi Execution Unit (KEU).............................................................................. 12-8

12.1.3 Crypto-Channels........................................................................................................ 12-8

12.1.4 Controller................................................................................................................... 12-9

12.1.4.1 Channel-Controlled Access ................................................................................. 12-10

12.1.4.2 Host-Controlled Access....................................................................................... 12-10

12.2 Configuration of Internal Memory Space.................................................................... 12-10

12.3 Descriptor Overview.................................................................................................... 12-16

12.3.1 Descriptor Structure................................................................................................. 12-16

12.3.2 Descriptor Format: Header Dword.......................................................................... 12-17

12.3.2.1 Selecting Execution Units—EU_SEL0 and EU_SEL1....................................... 12-18

12.3.2.2 Selecting Descriptor Type—DESC_TYPE .........................................................12-19

12.3.3 Descriptor Format: Pointer Dwords......................................................................... 12-20

12.3.4 Link Table Format ................................................................................................... 12-21

12.3.5 Descriptor Types...................................................................................................... 12-24

12.4 Execution Units............................................................................................................ 12-25

12.4.1 Public Key Execution Unit (PKEU)........................................................................ 12-26

12.4.1.1 PKEU Mode Register (PKEUMR)...................................................................... 12-26

12.4.1.2 PKEU Key Size Register (PKEUKSR)............................................................... 12-27

12.4.1.3 PKEU AB Size Register (PKEUABS) ................................................................ 12-28

12.4.1.4 PKEU Data Size Register (PKEUDSR).............................................................. 12-28

12.4.1.5 PKEU Reset Control Register (PKEURCR) .......................................................12-29

12.4.1.6 PKEU Status Register (PKEUSR)....................................................................... 12-29

12.4.1.7 PKEU Interrupt Status Register (PKEUISR)....................................................... 12-30

12.4.1.8 PKEU Interrupt Control Register (PKEUICR).................................................... 12-31

12.4.1.9 PKEU EU Go Register (PKEUEUG).................................................................. 12-32

12.4.1.10 PKEU Parameter Memories ................................................................................ 12-32

12.4.1.10.1 PKEU Parameter Memory A........................................................................... 12-33

12.4.1.10.2 PKEU Parameter Memory B........................................................................... 12-33

12.4.1.10.3 PKEU Parameter Memory E ........................................................................... 12-33

12.4.1.10.4 PKEU Parameter Memory N........................................................................... 12-33

12.4.2 Data Encryption Standard Execution Unit (DEU)...................................................12-33

12.4.2.1 DEU Mode Register (DEUMR) .......................................................................... 12-33

12.4.2.2 DEU Key Size Register (DEUKSR).................................................................... 12-34

12.4.2.3 DEU Data Size Register (DEUDSR)................................................................... 12-35

12.4.2.4 DEU Reset Control Register (DEURCR)............................................................ 12-35

12.4.2.5 DEU Status Register (DEUSR) ........................................................................... 12-36

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12.4.2.6 DEU Interrupt Status Register (DEUISR)........................................................... 12-37

12.4.2.7 DEU Interrupt Control Register (DEUICR)........................................................ 12-39

12.4.2.8 DEU EU Go Register (DEUEUG) ...................................................................... 12-40

12.4.2.9 DEU IV Register (DEUIV) ................................................................................. 12-41

12.4.2.10 DEU Key Registers 1–3 (DEUKn)...................................................................... 12-41

12.4.2.11 DEU FIFOs.......................................................................................................... 12-41

12.4.3 ARC Four Execution Unit (AFEU)......................................................................... 12-41

12.4.3.1 AFEU Mode Register (AFEUMR)...................................................................... 12-42

12.4.3.2 Host-Provided Context via Prevent Permute....................................................... 12-42

12.4.3.2.1 Dump Context.................................................................................................. 12-42

12.4.3.3 AFEU Key Size Register (AFEUKSR)............................................................... 12-43

12.4.3.4 AFEU Context/Data Size Register (AFEUDSR) ................................................12-44

12.4.3.5 AFEU Reset Control Register (AFEURCR) .......................................................12-44

12.4.3.6 AFEU Status Register (AFEUSR)....................................................................... 12-45

12.4.3.7 AFEU Interrupt Status Register (AFEUISR)....................................................... 12-46

12.4.3.8 AFEU Interrupt Control Register (AFEUICR)....................................................12-48

12.4.3.9 AFEU EU Go Register (AFEUEUG).................................................................. 12-49

12.4.3.10 AFEU Context ..................................................................................................... 12-49

12.4.3.10.1 AFEU Context Memory .................................................................................. 12-49

12.4.3.10.2 AFEU Context Memory Pointer Register .......................................................12-50

12.4.3.11 AFEU Key Registers 0–1 (AFEUKn) ................................................................. 12-50

12.4.3.12 AFEU FIFOs........................................................................................................ 12-50

12.4.4 Message Digest Execution Unit (MDEU) ............................................................... 12-50

12.4.4.1 MDEU Mode Register (MDEUMR) ................................................................... 12-50

12.4.4.2 Recommended Settings for MDEU Mode Register ............................................ 12-53

12.4.4.3 MDEU Key Size Register (MDEUKSR) ............................................................ 12-54

12.4.4.4 MDEU Data Size Register (MDEUDSR)............................................................ 12-54

12.4.4.5 MDEU Reset Control Register (MDEURCR).....................................................12-55

12.4.4.6 MDEU Status Register (MDEUSR) .................................................................... 12-55

12.4.4.7 MDEU Interrupt Status Register (MDEUISR)....................................................12-57

12.4.4.8 MDEU Interrupt Control Register (MDEUICR).................................................12-58

12.4.4.9 MDEU ICV Size Register (MDEUICVSR) ........................................................12-59

12.4.4.10 MDEU EU Go Register (MDEUEUG) ............................................................... 12-59

12.4.4.11 MDEU Context Registers.................................................................................... 12-60

12.4.4.12 MDEU Key Registers.......................................................................................... 12-61

12.4.4.13 MDEU FIFOs ...................................................................................................... 12-62

12.4.5 Random Number Generator (RNG).........................................................................12-62

12.4.5.1 RNG Mode Register (RNGMR).......................................................................... 12-63

12.4.5.2 RNG Data Size Register (RNGDSR).................................................................. 12-63

12.4.5.3 RNG Reset Control Register (RNGRCR) ........................................................... 12-63

12.4.5.4 RNG Status Register (RNGSR)........................................................................... 12-64

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