Subject: [PATCH 5/5] arm: boot: store ATAGs structure into DT "/chosen/linux, atags" entry

From: [email-masked] (Pali Rohár)
Date: Sun, 29 Nov 2015 19:19:18 +0100

On Sunday 29 November 2015 19:09:39 Russell King - ARM Linux wrote:
> On Sat, Nov 28, 2015 at 12:34:23PM -0500, Nicolas Pitre wrote:
> > Good. And Arnd likes the idea too. So we might be converging at
> > last which is a good thing.
> 
> I disagree with the idea that there is convergence.  There might be
> convergence towards an idea, but... Here's a mail extract, from July
> 7th, from earlier in this very thread:
> 
> Pali:
> > Me:
> > > Are the ATAGs at a fixed address on the N900?
> > 
> > Yes, in board-rx51.c is:
> > 
> > .atag_offset    = 0x100
> > 
> > and Nokia Bootloader (proprietary) store them to that address.
> > 
> > > Can that be handled in
> > > some kind of legacy file for the N900 which calls save_atags() on
> > > it, so we don't end up introducing yet more stuff that we have
> > > to maintain into the distant future?  If not, what about copying
> > > a known working atag structure into a legacy file for the N900?
> > 
> > I already asked question if it is possible to read ATAGs from DT
> > booted kernel. And somebody (do not remember who) wrote to ML,
> > that it is not possible and it can be done in that uncompress
> > code.
> 
> So you're converging on an idea that has already been rejected. 
> That's not a good thing, IMHO.

Or in other case show that such implementation is possible...

-- 
Pali Roh?r
pali.rohar at gmail.com
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