[Bug 1995932] Re: reset command not enabled for PolarFire Icicle Kit

[Heinrich Schuchardt]

SRU to Kinetic tested successfully:

Installed u-boot-sifive_2022.07+dfsg-1ubuntu4.1_riscv64.deb on Unmatched board.
* U-Boot's reset command succeeds
* Board boots
* clang -v succeeds
* Rebooting from Linux succeeds

Installed u-boot-qemu_2022.07+dfsg-1ubuntu4.1_all.deb, opensbi_1.1-1ubuntu0.22.10.1_all.deb and booted ubuntu-22.10-preinstalled-server-riscv64+unmatched.img
* The image boots
* clang -v succeeds
* Reboot from Linux succeeds
* U-Boot's reset command succeeds

Installed u-boot-microchip_2022.07+dfsg-1ubuntu4.1_riscv64.deb on
PolarFire Icicle Kit.

u-boot-qemu_2022.07+dfsg-1ubuntu4.1_all.deb
* U-Boot's reset command succeeds
* Board boots
* clang -v succeeds
* Rebooting from Linux succeeds

Installed u-boot-nezha_2022.04+git20220405.7446a472-0ubuntu2.22.10.0_all.deb on Allwinner Nezha D1.
* U-Boot's reset command succeeds
* Board boots
* clang -v succeeds
* Rebooting from Linux succeeds

** Tags removed: verification-needed verification-needed-kinetic
** Tags added: verification-done verification-done-kinetic

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https://bugs.launchpad.net/bugs/1995932

Title:
  reset command not enabled for PolarFire Icicle Kit

Status in u-boot package in Ubuntu:
  Fix Released
Status in u-boot source package in Kinetic:
  Fix Committed

Bug description:
  [ Impact ]

  The HSS v2022.10 firmware supports resetting the Polar Icicle Kit
  development board via SBI. We should enable the reset command. An
  upstream patch for the defconfig is available:

  [PATCH 1/1] riscv: enable reset via SBI on PolarFire Icicle Kit
  https://lists.denx.de/pipermail/u-boot/2022-November/499280.html

  This patch only affects the u-boot-microchip package.

  We plan to provide a Jammy image with the Ubuntu 22.04.1 release. This
  change already is in Jammy proposed. If a user upgrades from Jammy to
  Kinetic, this should not downgrade the experience.

  [ Test Plan ]

  Install U-Boot on the PolarFire Icicle Kit.
  Check that the reset command in U-Boot can be used to reset the board.
  Check that the board boots properly after reset.

  [ Where problems could occur ]

  Resetting the PolarFire Icicle Kit board from U-Boot might fail.

  Resetting from Linux directly calls into OpenSBI and therefore is not
  affected by the change.

  [ Other Info ]
   
  n/a

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