Continued need for ATAGS-based booting?

[Tom Rini]

On Mon, Sep 15, 2025 at 02:57:15PM -0700, Tony Dinh wrote:
> Hi Tom,
> 
> On Mon, Sep 15, 2025 at 1:38 PM Tom Rini <trini at konsulko.com> wrote:
> >
> > 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!
> 
> IIRC, Debian latest mainline kernel still expects ATAGS for most of
> these boards (ones which they have installer for):
> 
> n2350 ds116 dockstar dreamplug ds109 ds414 goflexhome
> lschlv2 lsxhl nsa310s nsa325 openrd_base openrd_client openrd_ultimate
> pogo_e02 pogo_v4
> 
> I think we should keep ATAGS around until the Linux kernel removes it.

Yes, sigh, if it's still in-use we need to keep it. Thanks.

-- 
Tom
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