Re: [ptxdist] [PATCH 0/2] Add u-boot template

[Alexander Dahl <ada@thorsis.com>]

Hello Guillermo,

Am Thu, Aug 26, 2021 at 01:43:25PM +0200 schrieb Guillermo Rodriguez Garcia:
> Hi Alexander,
> 
> El jueves, 26 de agosto de 2021, Alexander Dahl <ada@thorsis.com> escribió:
> 
> > Hei hei,
> >
> > I crafted this in the last weeks for a DistroKit based generic BSP,
> > which uses U-Boot for half a dozen boards.  Maybe someone else finds it
> > useful?
> 
> 
> What does this do exactly, and how does it work?

This adds a new package type 'u-boot' to the `ptxdist newpackage`
command.  That newpackage command uses templates to create the
necessary rule files for a new package.  You can write your own
templates and add it to your BSP, too.

So why a package type 'u-boot' if there's already an u-boot package?
I had the idea when working with DistroKit [1] as a base layer for
another generic BSP.  You can build a BSP with a rootfs common to
different SoCs of the armv7 family and use a common kernel as well.
However bootloaders for different SoC families differ, so for such a
generic BSP you need to build different bootloaders, and what you do
then is duplicate those bootloaders packages in ptxdist with slighty
changed names/variables making them unique.  DistroKit for example has
multiple barebox packages.

Creating such packages by copy and paste and search and replace is
cumbersome and error prone, so I thought why not doing the same thing
pengutronix did with barebox for u-boot as well?!

Greets
Alex

[1] https://www.pengutronix.de/de/software/distrokit.html


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