Continued need for ATAGS-based booting?

Tom Rini trini at konsulko.com
Tue Sep 16 16:29:55 CEST 2025


On Tue, Sep 16, 2025 at 11:49:06AM +0000, Wolfgang Wallner wrote:
> 
> 
> > пн, 15 вер. 2025 р. о 23:38 Tom Rini <trini at konsulko.com> пише:
> > >
> > > As part of working on cleaning up documentation, I ended up seeing 
> > > just how few boards still enable support for ATAGS-based OS booting. 
> > > In fact, the list is:
> > > brcp150 brcp170 brcp1_1r brcp1_1r_switch brcp1_2r brsmarc2 chagall 
> > > dockstar dreamplug ds109 ds116 ds414 endeavoru goflexhome grouper 
> > > icnova-a20-swac iconnect ideapad-yoga-11 lschlv2 lsxhl mocha mot n1
> > > n2350 nsa310s nsa325 openrd_base openrd_client openrd_ultimate ouya 
> > > picasso pogo_e02 pogo_v4 qc750 sheevaplug star stemmy surface-2 
> > > surface-rt tegratab tf701t transformer_t20 transformer_t30 x3_t30
> > >
> > > And my question is, for you board maintainers, do you still need to 
> > > actively support booting such old Linux kernels? Or can we disable 
> > > this support and then possibly be able to remove the underlying code as well.
> > > Thanks!
> > >
> > > --
> > > Tom
> >
> > Hello Tom!
> >
> > Maintainers of some boards in interest have agreed that support for ATAGS-based OS booting can/should be removed from the boards in the following list:
> > chagall endeavoru grouper ideapad-yoga-11 mocha mot n1 ouya picasso
> > qc750 star surface-2 surface-rt tegratab tf701t transformer_t20
> > transformer_t30 x3_t30
> 
> 
> We can also remove it for:
> brcp150
> brcp170
> brcp1_1r
> brcp1_1r_switch
> brcp1_2r brsmarc2
> 
> I can follow up with a patch series.

Please do, thanks!

-- 
Tom
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