[Bug 1978923] [NEW] SRU flash-kernel to add support for RISC-V boards

[Launchpad Bug Tracker]

You have been subscribed to a public bug by Alexandre Ghiti (alexghiti):

[Impact]

The image for the StarFive VisionFive and the Nezha boards will be
available in 22.04.1: in order to be able to boot using UEFI, we need
flash-kernel to install the DTBs to the right location for GRUB to load,
so we need to add those boards to the flash-kernel database.

[Test Plan]

I tested the version that built here [1] on the VisionFive board, and
flash-kernel worked correctly:

ubuntu at ubuntu:~$ sudo dpkg -i flash-kernel_3.104ubuntu11~ppa0_riscv64.deb        
Selecting previously unselected package flash-kernel.                            
(Reading database ... 94352 files and directories currently installed.)          
Preparing to unpack flash-kernel_3.104ubuntu11~ppa0_riscv64.deb ...              
Unpacking flash-kernel (3.104ubuntu11~ppa0) ...                                  
Setting up flash-kernel (3.104ubuntu11~ppa0) ...                                 
Installing new version of config file /etc/flash-kernel/bootscript/bootscr.uboot-generic ...
Using DTB: starfive/jh7100-starfive-visionfive-v1.dtb                            
Installing /lib/firmware/5.17.0-1001-starfive/device-tree/starfive/jh7100-starfive-visionfive-v1.dtb into /boot/dtbs/5.17.0-1001-starfive/starfive/jh7100-starfive-visionfive-v1.dtb
Taking backup of jh7100-starfive-visionfive-v1.dtb.                              
Installing new jh7100-starfive-visionfive-v1.dtb.                                
flash-kernel: deferring update (trigger activated)                               
Processing triggers for initramfs-tools (0.140ubuntu13) ...                      
update-initramfs: Generating /boot/initrd.img-5.17.0-1001-starfive               
 Using DTB: starfive/jh7100-starfive-visionfive-v1.dtb                           
Installing /lib/firmware/5.17.0-1001-starfive/device-tree/starfive/jh7100-starfive-visionfive-v1.dtb into /boot/dtbs/5.17.0-1001-starfive/starfive/jh7100-starfive-visionfive-v1.dtb
Taking backup of jh7100-starfive-visionfive-v1.dtb.                              
Installing new jh7100-starfive-visionfive-v1.dtb.                                
Installing /lib/firmware/5.17.0-1001-starfive/device-tree/starfive/jh7100-starfive-visionfive-v1.dtb into /boot/dtbs/5.17.0-1001-starfive/starfive/jh7100-starfive-visionfive-v1.dtb
Taking backup of jh7100-starfive-visionfive-v1.dtb.                              
Installing new jh7100-starfive-visionfive-v1.dtb.                                
System running in EFI mode, skipping.                                            
Processing triggers for man-db (2.10.2-1) ...                                    
Processing triggers for flash-kernel (3.104ubuntu11~ppa0) ...                    
Using DTB: starfive/jh7100-starfive-visionfive-v1.dtb                            
Installing /lib/firmware/5.17.0-1001-starfive/device-tree/starfive/jh7100-starfive-visionfive-v1.dtb into /boot/dtbs/5.17.0-1001-starfive/starfive/jh7100-starfive-visionfive-v1.dtb
Taking backup of jh7100-starfive-visionfive-v1.dtb.                              
Installing new jh7100-starfive-visionfive-v1.dtb.                                
System running in EFI mode, skipping.

[1]
https://launchpad.net/~alexghiti/+archive/ubuntu/riscv/+sourcepub/13689678/+listing-
archive-extra

[Where problems could occur]

The changes are board-specific so it should not alter the behaviour on
other boards and unfortunately, I tried flash-kernel on a non-working
kernel as the kernel team is still working on it, but the changes are
straightforward enough.

[Other Info]

I added support for the LicheeRV board although not officially supported, but as it works well with our current kernel, we'd better have it available.
Note that I dropped the ~22.04.1 suffix and moved to 3.104ubuntu11 as @waveform has just uploaded 3.106ubuntu1 into kinetic (which already contains the support for those boards).

** Affects: flash-kernel (Ubuntu)
     Importance: Undecided
         Status: New

-- 
SRU flash-kernel to add support for RISC-V boards
https://bugs.launchpad.net/bugs/1978923
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