linux-kernel - Re: [PATCH] arm: dts: am335x-boneblack-common: fix memory size

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Date:   Tue, 7 Jan 2020 12:32:30 -0600
From:   Robert Nelson <robertcnelson@...il.com>
To:     Tony Lindgren <tony@...mide.com>
Cc:     "Matwey V. Kornilov" <matwey@....msu.ru>,
        Benoît Cousson <bcousson@...libre.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        "open list:OMAP DEVICE TREE SUPPORT" <linux-omap@...r.kernel.org>,
        "open list:OMAP DEVICE TREE SUPPORT" <devicetree@...r.kernel.org>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] arm: dts: am335x-boneblack-common: fix memory size

On Mon, Jan 6, 2020 at 3:05 PM Tony Lindgren <tony@...mide.com> wrote:
>
> * Matwey V. Kornilov <matwey@....msu.ru> [200106 20:48]:
> > пн, 6 янв. 2020 г. в 23:44, Robert Nelson <robertcnelson@...il.com>:
> > >
> > > On Mon, Jan 6, 2020 at 7:10 AM Matwey V. Kornilov <matwey@....msu.ru> wrote:
> > > >
> > > > BeagleBone Black series is equipped with 512MB RAM
> > > > whereas only 256MB is included from am335x-bone-common.dtsi
> > >
> > > FYI: While all versions from the factory are 512MB, some 3rd parties
> > > offered 1GB reballing upgrades..
>
> So what's the conclusion, is it safe to bump the default size to
> 512MB then?
>
> The custom ones could use their own dts file if bootloader is not
> setting the RAM.

Yeah this is safe for factory devices. Classic u-boot will update
these for modified boards.

Regards,

-- 
Robert Nelson
https://rcn-ee.com/