Debugging Flows & Tools - The industry utilizes a four-step debug process: probing, implementing, analyzing, and fixing [1][2][3] - AMD provides ChipScope debug solution to reduce verification and debugging time, maximizing visibility into programmable logic during system operation [3] - Vivado Logic Analyzer (VLA) interacts with debug cores for triggering and data collection via JTAG pins, supporting various triggering scenarios and flexible probing [4] - Captured data can be reused as test vectors, enhancing design verification, and a single JTAG connection simplifies programming and debugging [5] - Debug cores like Integrated Logic Analyzer (ILA), System ILA, Virtual Input/Output (VIO), and JTAG to AXI Master enable design visibility without obstructing functionality [6] Debug Cores & Features - Integrated Logic Analyzer (ILA) IP core monitors internal signals with advanced features like Boolean trigger equations and edge transition triggers, configurable with up to 1024 probe ports [7] - Virtual Input/Output (VIO) core monitors and drives internal signals in real time, presenting data as virtual LEDs, pushbuttons, or toggle switches [9][10] - JTAG to AXI Master debug feature generates AXI transactions to interact with AXI-Full and AXI-Lite slave cores [11][12] - BSCAN to JTAG Converter core bridges BSCAN and JTAG interfaces for designs supporting JTAG but not BSCAN [13][14] Data Cables & Debug Ports - Platform Cable USB II is a general-purpose cable for programming and debugging, supporting devices with target clock speeds from 750 kHz to 24 MHz via USB 20 [15] - SmartLynq Data cable provides JTAG rates up to 40 Mb/s via Ethernet and USB, supporting JTAG debugging and indirect flash programming [16][17] - SmartLynq+ is designed for high-speed debugging and tracing in Versal Adaptive SoCs, offering trace capture speeds up to 10 Gb/s and up to 14 GB of trace memory [19][20] Probing Flows & Methodologies - HDL instantiation flow involves manual customization and connection of debug cores directly in the HDL design source, requiring re-running synthesis and implementation [22][23] - Netlist insertion flow inserts ILA cores directly into the netlist, eliminating design resynthesis and allowing probing at various design levels [23][24] - Incremental Compile Flow allows modifying debug cores while reusing 95% of prior placement and routing results [36] - ECO Flow focuses on replacing existing debug nets with minimal changes, preserving previous implementation results [37][38] ChipScoPy - ChipScoPy provides a Python interface to program and debug Versal devices, with a 100% Python code base available on githubcom [39] - ChipScoPy enables high-level control of Versal debug IPs, allowing developers to control and communicate with cores like ILA and VIO [39][40]

Overview of PDI and Configuration - PDI file contains device programming data for AMD Versal devices, similar to bitstreams [1] - AMD Versal devices require configuration of multiple blocks (NOC, AI Engine, PL, CIPS) at boot using Configuration Data Objects (CDOs) packaged into a single boot image file [2] - PDI may contain bootloaders, firmware, and user applications [3] - Platform Loader and Manager (PLM) processes the Versal PDI boot image during boot or partial configuration [4] Introduction of PDI Debug Utility - PDI debug utility introduced in Vivado 20242 release assists with debugging programming errors in PLM and BootROM [5] - Utility generates error reports, analyzes errors, provides debugging suggestions, and can be used for programming the PDI and analyzing errors upon failure [6] - Use cases include decoding PLM/ROM errors, analyzing errors from log files or connected hardware, and programming PDI with error analysis [6] PDI Debug Utility Commands and Usage - Basic feature is decoding PDI errors obtained via JTAG or UART output [8] - Analyze-log subcommand analyzes PDI configuration error logs, useful for remote debugging [10][11][12] - List-target subcommand lists targets detected on a JTAG chain to determine the target index [12][13] - Analyze-hw subcommand analyzes configuration errors remotely via JTAG, automatically detecting device details [13][14][15] - Program subcommand configures and analyzes errors remotely via JTAG, showing programming progress and error analysis [17][18]