From: Tom Rini <trini@konsulko.com>
To: "Alex Bennée" <alex.bennee@linaro.org>
Cc: "Heiko Schocher" <hs@denx.de>,
"François Ozog" <francois.ozog@linaro.org>,
"Albert Aribaud" <albert.u.boot@aribaud.net>,
"Neil Armstrong" <narmstrong@baylibre.com>,
qemu-devel@nongnu.org, "Andre Przywara" <andre.przywara@arm.com>,
"Simon Glass" <sjg@chromium.org>,
"Ilias Apalodimas" <ilias.apalodimas@linaro.org>,
"Christian Hewitt" <christianshewitt@gmail.com>,
"Kever Yang" <kever.yang@rock-chips.com>,
"Rick Chen" <rick@andestech.com>,
"U-Boot Mailing List" <u-boot@lists.denx.de>,
"Jagan Teki" <jagan@amarulasolutions.com>,
"Sean Anderson" <seanga2@gmail.com>,
"Tuomas Tynkkynen" <tuomas.tynkkynen@iki.fi>,
"Fabio Estevam" <festevam@gmail.com>,
"Tim Harvey" <tharvey@gateworks.com>,
"Peter Robinson" <pbrobinson@gmail.com>
Subject: Re: [PATCH 05/16] arm: qemu: Add a devicetree file for qemu_arm64
Date: Wed, 27 Oct 2021 10:56:53 -0400 [thread overview]
Message-ID: <20211027145653.GB8284@bill-the-cat> (raw)
In-Reply-To: <87v91iwmoc.fsf@linaro.org>
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On Wed, Oct 27, 2021 at 03:44:08PM +0100, Alex Bennée wrote:
>
> François Ozog <francois.ozog@linaro.org> writes:
>
> > Hi Simon
> >
> > The only place I could agree with this file presence is in the documentation directory, not in dts. It creates a mental picture for the reader
> > an entirely bad mind scheme around Qemu and DT.
> >
> > And even in a documentation directory I would place a bug warning: don’t use this with any kernel , Qemu generates a DT dynamically
> > based on cpu, memory and devices specified at the command line.
>
> Certainly for the arm, aarch64 and riscv "virt" machines you should
> always use the QEMU generated DTB. I'm not entirely clear what a
> qemu_arm and qemu_arm64 def targets are meant to be in this context.
Agreed. We cannot include random device trees in U-Boot for devices
that generate their own at run time or otherwise have the source of
truth elsewhere.
--
Tom
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next prev parent reply other threads:[~2021-10-27 15:42 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 [this message]
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
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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