This bug is awaiting verification that the linux-
aws-6.2/6.2.0-1014.14~22.04.1 kernel in -proposed solves the problem.
Please test the kernel and update this bug with the results. If the
problem is solved, change the tag 'verification-needed-jammy-linux-
aws-6.2' to 'verification-done-jammy-linux-aws-6.2'. If the problem
still exists, change the tag 'verification-needed-jammy-linux-aws-6.2'
to 'verification-failed-jammy-linux-aws-6.2'.


If verification is not done by 5 working days from today, this fix will
be dropped from the source code, and this bug will be closed.


See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how
to enable and use -proposed. Thank you!


** Tags added: kernel-spammed-jammy-linux-aws-6.2-v2 
verification-needed-jammy-linux-aws-6.2

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https://bugs.launchpad.net/bugs/2022361

Title:
  Please enable Renesas RZ platform serial installer

Status in linux package in Ubuntu:
  Fix Released
Status in linux source package in Focal:
  Fix Released
Status in linux source package in Jammy:
  Fix Released
Status in linux source package in Lunar:
  Fix Released
Status in linux source package in Mantic:
  Fix Released

Bug description:
  [Impact]

  The ubuntu installer does not work via serial ports for Renesas boards like
  RZ/G2M-HiHope 
(https://www.renesas.com/us/en/products/microcontrollers-microprocessors/rz-mpus/rzg2m-hihope-rzg2m-reference-board,
 RZ/G2L, RZ/G2LC, RZ/G2UL SMARC Board 
(https://renesas.info/wiki/RZ-G/RZ-G2L_SMARC).

  The installation can be done using HDMI ports, but it would be nice to
  support installation via serial port as well.

  [Test case]

  Try to install Ubuntu on a Renesas board.

  [Fix]

  Statically build SuperH SCI(F) serial port support (with
  earlyconsole).

  [Regression potential]

  Statically building an additional driver in the kernel can make the
  kernel image bigger, potentially causing boot issues in small (arm64 /
  armhf) platforms.

  [Original bug report]

  Package: linux
  Version: Ubuntu-6.2.0-21.21
  Severity: normal
  File: /mantic/debian.master/config/annotations

  Dear Maintainer,

  The ubuntu kernel is missing a few configuration options for Renesas
  RZ/G2M MPU as below:

  #Modify the following config from m to y.

  CONFIG_SERIAL_SH_SCI=y

  #add below configuration

  CONFIG_SERIAL_SH_SCI_CONSOLE=y
  CONFIG_SERIAL_SH_SCI_EARLYCON=y

  The above changes are required in annotations file:
  "/mantic/debian.master/config/annotations"

  code location:

  https://git.launchpad.net/~ubuntu-
  
kernel/ubuntu/+source/linux/+git/mantic/tree/debian.master/config/annotations#n11372

  #Modify the following line (change 'm' to 'y')

  CONFIG_SERIAL_SH_SCI policy<{'arm64': 'y', 'armhf': 'y'}>

  #Add the following lines:

  CONFIG_SERIAL_SH_SCI_CONSOLE policy<{'arm64': 'y', 'armhf': 'y'}>
  CONFIG_SERIAL_SH_SCI_EARLYCON policy<{'arm64': 'y', 'armhf': 'y'}>

  Could you please add those configuration options to the Ubuntu kernel?

  Best Regards
  John

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