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Petalinux is brand name used by Xilinx, it is based on Yocto and pretty decent mainstream kernel, what Petalinux adds is the HSI (Hardware Software Interface from Vivado) and special tools for boot image creation.

Table of Content

 


Petalinux Installation

  • Download PetaLinux  from Xilinx Website: http://www.xilinx.com/support/download/index.html/content/xilinx/en/downloadNav/embedded-design-tools.html
    • Choose  a PetaLinux Version, that's corresponding to the installed Vivado Version.
  • Use UG1144 "PetaLinux Tools Documentation - Reference Guide" for your SDK Version
    1. Check "PetaLinux Tools Installation Requirements" chapter and install missing tool/libraries
    2. Use installation instructions from chapter "PetaLinux Tools Installation Steps"
  • Please check Petalinux Installation Guide (Follow the link on the Download Website or see References)
  • Note: it is recommended to test the installation by creating a dummy template project and building it.

 

Creating a Project from Vivado Project

  • Export Hardware Definition File (*.hdf) from the Vivado Project.
  • Check the Petalinux documents, create a project (for Zynq or Microblaze)
    • Imported Steps on Linux Console:
      • petalinux-config --get-hw-description
      • petalinux-build
  • Take u-boot.elf and image.ub and make BOOT.BIN.  It is recommended to create the FSBL with SDK tools.

Petalinux Configuration

Most settings can be changed with menu-config. There are 3 more files that user can edit, they are

FileDescription
system-top.dtsDevice tree changes are to be applied here
platform-top.hU-boot changes are to be applied here
fsbl_hooks.cFSBL changes are to be applied here

There should be no reason to modify any other files by editing them (most of them are generated and would be overwritten).

References

  1. PetaLinux Tools User Guide - Installation Guide (UG976)
  2. PetaLinux Tools User Guide - Getting Started Guide (UG977)
  3. PetaLinux Tools Documentation -Reference Guide (UG1144)
  4. PetaLinux Tools Documentation - PetaLinux Command Line Reference (UG1157)

 

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