From: Tom Rini <trini@konsulko.com>
To: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Cc: "Liviu Dudau" <liviu.dudau@foss.arm.com>,
"Neil Armstrong" <narmstrong@baylibre.com>,
"Vladimir Oltean" <vladimir.oltean@nxp.com>,
"Linus Walleij" <linus.walleij@linaro.org>,
"Bin Meng" <bin.meng@windriver.com>,
"Kever Yang" <kever.yang@rock-chips.com>,
"Sean Anderson" <seanga2@gmail.com>,
"Atish Patra" <atish.patra@wdc.com>,
"Zong Li" <zong.li@sifive.com>, "Stefan Roese" <sr@denx.de>,
"Fabio Estevam" <festevam@gmail.com>,
"Rainer Boschung" <rainer.boschung@hitachi-powergrids.com>,
"François Ozog" <francois.ozog@linaro.org>,
"Stephen Warren" <swarren@nvidia.com>,
"Oleksandr Andrushchenko" <oleksandr_andrushchenko@epam.com>,
"Heinrich Schuchardt" <xypron.glpk@gmx.de>,
"Niel Fourie" <lusus@denx.de>,
"Michal Simek" <michal.simek@xilinx.com>,
"Marek Behún" <marek.behun@nic.cz>,
"Jerry Van Baren" <vanbaren@cideas.com>,
"Ramon Fried" <rfried.dev@gmail.com>,
"Jagan Teki" <jagan@amarulasolutions.com>,
"Valentin Longchamp" <valentin.longchamp@hitachi-powergrids.com>,
"Heiko Schocher" <hs@denx.de>,
"Peter Robinson" <pbrobinson@gmail.com>,
"Sinan Akman" <sinan@writeme.com>,
"Thomas Fitzsimmons" <fitzsim@fitzsim.org>,
"Wolfgang Denk" <wd@denx.de>,
"Stephen Warren" <swarren@wwwdotorg.org>,
"qemu-devel@nongnu.org Developers" <qemu-devel@nongnu.org>,
"Andre Przywara" <andre.przywara@arm.com>,
"Tim Harvey" <tharvey@gateworks.com>,
"Ashok Reddy Soma" <ashok.reddy.soma@xilinx.com>,
"Rick Chen" <rick@andestech.com>,
"Alexander Graf" <agraf@csgraf.de>,
"Green Wan" <green.wan@sifive.com>,
"T Karthik Reddy" <t.karthik.reddy@xilinx.com>,
"Anastasiia Lukianenko" <anastasiia_lukianenko@epam.com>,
"Albert Aribaud" <albert.u.boot@aribaud.net>,
"Michal Simek" <monstr@monstr.eu>,
"Matthias Brugger" <mbrugger@suse.com>,
Leo <ycliang@andestech.com>, "Tero Kristo" <kristo@kernel.org>,
"U-Boot Mailing List" <u-boot@lists.denx.de>,
"David Abdurachmanov" <david.abdurachmanov@sifive.com>,
"Priyanka Jain" <priyanka.jain@nxp.com>,
"Simon Glass" <sjg@chromium.org>,
"Ilias Apalodimas" <ilias.apalodimas@linaro.org>,
"Christian Hewitt" <christianshewitt@gmail.com>,
"Aaron Williams" <awilliams@marvell.com>,
"Tuomas Tynkkynen" <tuomas.tynkkynen@iki.fi>,
"Tianrui Wei" <tianrui-wei@outlook.com>,
"Bin Meng" <bmeng.cn@gmail.com>, "Pali Rohár" <pali@kernel.org>,
"Dimitri John Ledkov" <dimitri.ledkov@canonical.com>,
"Padmarao Begari" <padmarao.begari@microchip.com>
Subject: Re: [PATCH 00/16] fdt: Make OF_BOARD a boolean option
Date: Wed, 27 Oct 2021 14:04:00 -0400 [thread overview]
Message-ID: <20211027180400.GD8284@bill-the-cat> (raw)
In-Reply-To: <51292fc6-e9a9-015a-34ac-f7cbcf18f203@canonical.com>
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On Wed, Oct 27, 2021 at 05:02:39PM +0200, Heinrich Schuchardt wrote:
> On 10/27/21 16:55, Tom Rini wrote:
> > On Wed, Oct 27, 2021 at 03:23:01PM +0200, Heinrich Schuchardt wrote:
> >
> > [snip]
> > > One passed to U-Boot for fixups and further passed to the OS. This
> > > devicetree may originate from a prior boot stage, from a file loaded by
> > > U-Boot, or from a later bootstage, e.g systemd-boot's devicetree command.
> >
> > I assume systemd-boot is implementing the same logic that extlinux.conf
> > has used for forever, yes?
>
> It is loading the file and then calls U-Boot's implementation of the EFI
> Device Tree Fixup Protocol for fixups before passing the device-tree to the
> OS.
So it's using https://systemd.io/BOOT_LOADER_SPECIFICATION/ OK.
> > > This devicetree will not contain any U-Boot specific information.
> >
> > To repeat, it must only have official bindings, yes, regardless of what
> > project they come from.
> >
>
> Don't expect prior firmware stages to provide any U-Boot specific stuff
> whatever official or non-official U-Boot specific bindings exist.
Failure to implement official bindings may result in failure to boot,
which would be pretty silly.
--
Tom
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next prev parent reply other threads:[~2021-10-27 18:06 UTC|newest]
Thread overview: 73+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-13 1:01 [PATCH 00/16] fdt: Make OF_BOARD a boolean option Simon Glass
2021-10-13 1:01 ` [PATCH 01/16] arm: qemu: Mention -nographic in the docs Simon Glass
2021-10-13 1:01 ` [PATCH 02/16] arm: qemu: Explain how to extract the generate devicetree Simon Glass
2021-10-13 1:19 ` François Ozog
2021-10-13 16:58 ` Simon Glass
2021-10-13 17:36 ` Tom Rini
2021-10-13 1:01 ` [PATCH 03/16] riscv: " Simon Glass
2021-10-13 1:01 ` [PATCH 04/16] arm: qemu: Add a devicetree file for qemu_arm Simon Glass
2021-10-13 1:01 ` [PATCH 05/16] arm: qemu: Add a devicetree file for qemu_arm64 Simon Glass
2021-10-13 1:15 ` François Ozog
2021-10-27 14:44 ` Alex Bennée
2021-10-27 14:56 ` Tom Rini
2021-10-27 18:34 ` Simon Glass
2021-10-27 18:39 ` Tom Rini
2021-10-27 19:45 ` Alex Bennée
2021-10-13 1:01 ` [PATCH 06/16] riscv: qemu: Add devicetree files for qemu_riscv32/64 Simon Glass
2021-10-13 4:21 ` Heinrich Schuchardt
2021-10-13 1:29 ` [PATCH 00/16] fdt: Make OF_BOARD a boolean option Bin Meng
2021-10-13 1:34 ` Tom Rini
2021-10-13 8:02 ` François Ozog
2021-10-13 14:47 ` Simon Glass
2021-10-13 17:34 ` François Ozog
2021-10-13 18:06 ` Simon Glass
2021-10-14 14:56 ` Tom Rini
2021-10-14 15:17 ` Simon Glass
2021-10-14 15:28 ` Tom Rini
2021-10-14 17:58 ` François Ozog
2021-10-15 18:03 ` Simon Glass
2021-10-26 6:46 ` Ilias Apalodimas
2021-10-27 12:59 ` Tom Rini
2021-10-27 13:30 ` François Ozog
2021-10-27 13:38 ` Tom Rini
2021-10-27 13:47 ` Ilias Apalodimas
2021-10-27 14:26 ` Tom Rini
2021-10-27 13:48 ` François Ozog
2021-10-27 14:30 ` Tom Rini
2021-10-28 2:50 ` Simon Glass
2021-10-28 8:21 ` François Ozog
2021-10-28 14:30 ` Simon Glass
2021-10-28 14:50 ` François Ozog
2021-10-28 15:44 ` Simon Glass
2021-10-28 16:25 ` François Ozog
2021-11-02 14:59 ` Simon Glass
2021-11-01 11:04 ` Ilias Apalodimas
2021-11-02 10:06 ` Michael Walle
2021-11-02 12:34 ` François Ozog
2021-11-02 14:59 ` Simon Glass
2021-10-27 12:48 ` Tom Rini
2021-10-27 13:15 ` François Ozog
2021-10-27 13:23 ` Heinrich Schuchardt
2021-10-27 14:55 ` Tom Rini
2021-10-27 15:02 ` Heinrich Schuchardt
2021-10-27 18:04 ` Tom Rini [this message]
2021-10-27 14:54 ` Tom Rini
2021-10-27 15:10 ` Mark Kettenis
2021-10-27 15:24 ` Simon Glass
2021-10-27 18:06 ` Tom Rini
2021-10-27 18:11 ` François Ozog
2021-10-27 21:52 ` Mark Kettenis
2021-10-27 16:02 ` François Ozog
2021-10-27 19:06 ` Tom Rini
2021-10-27 22:00 ` François Ozog
2021-10-28 14:41 ` Tom Rini
2021-10-14 16:24 ` Andre Przywara
2021-10-14 17:48 ` François Ozog
2021-10-14 18:12 ` François Ozog
2021-10-14 21:00 ` Simon Glass
2021-10-13 12:39 ` Philippe Mathieu-Daudé
2021-10-13 13:06 ` François Ozog
2021-10-13 4:26 ` Heinrich Schuchardt
2021-10-13 13:06 ` François Ozog
2021-10-13 9:50 ` Andre Przywara
2021-10-13 13:05 ` François Ozog
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