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  • AM64x and AM243x: MCU+ SDK-Based PCIe End Point

    • SPRADH9 June   2024 AM6442

       

  • CONTENTS
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  • AM64x and AM243x: MCU+ SDK-Based PCIe End Point
  1.   1
  2.   Abstract
  3.   Trademarks
  4. 1Abbreviations
  5. 2Introduction
    1. 2.1 Peripheral Component Interconnect Express
      1. 2.1.1 Components of PCIe Communication
        1. 2.1.1.1 Root Complex
        2. 2.1.1.2 Repeater
        3. 2.1.1.3 Endpoints
      2. 2.1.2 Signaling
        1. 2.1.2.1 PERST
        2. 2.1.2.2 WAKE and CLKREQ
        3. 2.1.2.3 REFCLK
      3. 2.1.3 PCIe Common Usage
      4. 2.1.4 PCIe Aggregate Throughput
    2. 2.2 PCIe Features on AM64x and AM243x
  6. 3X86 as RC and AM64x as EP
    1. 3.1 Hardware Environment
    2. 3.2 Software Environment
      1. 3.2.1 Building Application
      2. 3.2.2 Usage
  7. 4Test Setup
    1. 4.1 Common Setup for LINUX and WIN
    2. 4.2 Linux Driver (VFIO)
      1. 4.2.1 Prerequisites
      2. 4.2.2 Building
      3. 4.2.3 Deploying
    3. 4.3 Test Application Usage
    4. 4.4 Setup Steps for LINUX PC
      1. 4.4.1 UART Console Output
    5. 4.5 MSI Example
    6. 4.6 Setup Steps for WINDOWS PC
      1. 4.6.1 Prerequisites
      2. 4.6.2 Building
      3. 4.6.3 Deploying
  8. 5PCIe Test Specification
    1. 5.1  Identification and Configuration Functionalities
      1. 5.1.1 Test Case
    2. 5.2  Reference Clock Functionalities
    3. 5.3  Inbound ATU and BAR Functionalities
    4. 5.4  Outbound ATU Functionalities
    5. 5.5  MSI Functionality
    6. 5.6  Downstream Interrupt Functionality
    7. 5.7  Device Power Management State Functionality
    8. 5.8  Function Level Reset Mechanism
    9. 5.9  Legacy Interrupt Mechanism
    10. 5.10 MSI-X Capability
    11. 5.11 Hot Reset Mechanism
  9. 6Windows Example Driver Verification
  10. 7References
  11. IMPORTANT NOTICE
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Application Note

AM64x and AM243x: MCU+ SDK-Based PCIe End Point

Abstract

This document serves as application report for the PCIe EP driver extension of the MCU+SDK 9.2.1 or newer for the Texas Instruments ARM-based SOCs AM64x and AM243x.

Trademarks

All trademarks are the property of their respective owners.

1 Abbreviations

    PCIe Peripheral Component Interconnect Express
    PCI-SIG PCI Special Interest Group
    EP End Point
    RC Root Complex
    SSC Spread Spectrum
    BIOS Basic Input Output Software
    CCS Code Composer Studio
    TI Texas Instruments
    BAR Base Address Register
    MSI Message Signal Interrupt
    MSI-X Message Signal Interrupt X
    SBL Secondary Bootloader
    VFIO Virtual Function I/O
    IOMMU I/O Memory Management Unit
    ATU Address Translation Unit
    FLR Function Level Reset

 
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