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9.1.3.4
L4-Emu Agents
..........................................................................................
9.1.3.5
L4-Wakeup Agents
......................................................................................
9.1.4
Connectivity Matrix
............................................................................................
9.2
L3 Interconnect
.........................................................................................................
9.2.1
Overview
........................................................................................................
9.2.2
L3 Interconnect Integration
...................................................................................
9.2.2.1
Clocking, Reset, and Power-Management Scheme
................................................
9.2.2.1.1
Clocks
................................................................................................
9.2.2.1.2
Resets
................................................................................................
9.2.2.1.3
Power Domain
......................................................................................
9.2.2.1.4
Power Management
................................................................................
9.2.2.2
Hardware Requests
.....................................................................................
9.2.2.2.1
Interrupt Requests
..................................................................................
9.2.3
L3 Interconnect Functional Description
.....................................................................
9.2.3.1
Initiator Identification
....................................................................................
9.2.3.2
Register Target
..........................................................................................
9.2.3.3
L3 Protection and Firewalls
............................................................................
9.2.3.3.1
Protection Region
...................................................................................
9.2.3.3.2
Priority Level Overview
............................................................................
9.2.3.3.3
Read and Write Permission
.......................................................................
9.2.3.3.4
REQ_INFO_PERMISSION Configuration
.......................................................
9.2.3.3.5
L3 Firewall Registers Overview
...................................................................
9.2.3.3.6
L3 Firewall Error-Logging Registers
..............................................................
9.2.3.3.7
L3 Firewall and System Control Module
.........................................................
9.2.3.4
Error Handling
...........................................................................................
9.2.3.4.1
Error Detection and Logging
......................................................................
9.2.3.4.2
Time-Out
.............................................................................................
9.2.3.4.3
Error Steering
.......................................................................................
9.2.3.4.4
Global Error Reporting
.............................................................................
9.2.4
L3 Interconnect Basic Programming Model
................................................................
9.2.4.1
General Recommendation
.............................................................................
9.2.4.2
Initialization
...............................................................................................
9.2.4.3
Error Analysis
............................................................................................
9.2.4.3.1
Time-Out Handling
.................................................................................
9.2.4.3.2
Acknowledging Errors
..............................................................................
9.2.4.4
Typical Example of Firewall Programming Example
...............................................
9.2.5
L3 Interconnect Register Manual
............................................................................
9.2.5.1
L3 Initiator Agent (L3 IA)
...............................................................................
9.2.5.1.1
L3 Initiator Agent (L3 IA) Registers Description
................................................
9.2.5.2
L3 Target Agent (L3 TA)
...............................................................................
9.2.5.2.1
L3 Target Agent (L3 TA) Registers Description
................................................
9.2.5.3
Register Target (RT)
....................................................................................
9.2.5.3.1
Register Target (RT) Registers Description
.....................................................
9.2.5.4
Protection Mechanism (PM)
...........................................................................
9.2.5.4.1
Protection Mechanism (PM) Registers Description
............................................
9.2.5.5
Sideband Interconnect (SI)
............................................................................
9.2.5.5.1
Sideband Interconnect (SI) Registers Description
.............................................
9.3
L4 Interconnects
........................................................................................................
9.3.1
Overview
........................................................................................................
9.3.1.1
L4-Core Interconnect
...................................................................................
9.3.1.2
L4-Per Interconnect
.....................................................................................
9.3.1.3
L4-Emu Interconnect
....................................................................................
9.3.1.4
L4-Wakeup Interconnect
...............................................................................
28
Contents
SWPU177N – December 2009 – Revised November 2010
Copyright © 2009–2010, Texas Instruments Incorporated