This bug is missing log files that will aid in diagnosing the problem.
While running an Ubuntu kernel (not a mainline or third-party kernel)
please enter the following command in a terminal window:

apport-collect 1993148

and then change the status of the bug to 'Confirmed'.

If, due to the nature of the issue you have encountered, you are unable
to run this command, please add a comment stating that fact and change
the bug status to 'Confirmed'.

This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.

** Changed in: linux (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/1993148

Title:
  Support Icicle Kit reference design v2022.10

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  [ Impact ]

   * The Michochip PolarFire SoC on the Icicle Kit is an FPGA with 4 + 1
     RISC-V cores. So the memory map and some peripherals depend on the
     FPGA design loaded.

   * Microchip releases reference designs and are upstreaming support for
     running Linux on it. Unfortunately the upcoming v2022.10 release
     changes the memory layout compared to earlier versions, but v6.1-rc1
     contains patches for it.

   * We'd like to support the v2022.10 release and hopefully future versions
     by backporting these changes.

  [ Test Plan ]

   * Update the Icicle Kit to the v2022.10 reference design and check that
     the generic riscv64 kernel boots.

  [ Where problems could occur ]

   * Users who are running v2022.9 or older versions of the reference design
     may have trouble booting, but the Icicle Kit was never officially
     supported by Ubuntu.

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