On Sunday, 30 April 2023 23:28:23 CEST Roger Shimizu wrote: > Currently, the dev-board is supported by Linaro [2][3], and most > kernel device-tree, patches and firmware are already upstreamed. > I confirmed that with simple snippet below, generated boot.img can be > used to boot the RB3 / DB845c dev-board with linaro's rootfs [3]. > PS. mkbootimg [4] is a tool from android's package to generate > boot.img image to boot the dev-board. > > My question is: > - Currently flash-kernel is mainly u-boot based, is it proper to add > "mkbootimg" based devices?
In https://lists.debian.org/debian-arm/2023/02/msg00023.html I said: =================================================== If you have a working bootloader which (successfully) starts 'some' kernel and combine that with a userland created by f.e. debootstrap and you have a working Debian-like system. The problem with most BSPs is this: The device/chipset vendor proved with it that the device/SBC works and can run Linux. And then they throw it over the wall and 'say' "have fun with it" (our job is done)." =================================================== Sound to me like yet another BSP. In that same post I also said: =================================================== I'm going to assume that "supported *in* Debian" (emphasis mine) means whether it's supported by all-and-only Debian packages. For that you need 2 things: 1) device/SBC is supported by *upstream* u-boot 2) device/SBC is supported by the *upstream* kernel =================================================== (Vagrant Cascadian replied to that post and mentioned UEFI as another 'valid' boot loader) Booting ARM based devices is already complicated enough, so *I* would be very much in favor of NOT adding support for yet another boot method, which would also disincentivize board makers (and/or their community) from properly and fully upstreaming things, including u-boot/UEFI. Not sure if my opinion is relevant as I also don't know much about flash-kernel, but these are my 0.02
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