From: "Alex Bennée" <alex.bennee@linaro.org>
To: "François Ozog" <francois.ozog@linaro.org>
Cc: Albert Aribaud <albert.u.boot@aribaud.net>,
Tom Rini <trini@konsulko.com>, Heiko Schocher <hs@denx.de>,
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 15:44:08 +0100 [thread overview]
Message-ID: <87v91iwmoc.fsf@linaro.org> (raw)
In-Reply-To: <CAHFG_=UDFn9MQfJz6oTAg15PiR2nt6QkoZS58+gsOMMVo31AXQ@mail.gmail.com>
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.
--
Alex Bennée
WARNING: multiple messages have this Message-ID (diff)
From: "Alex Bennée" <alex.bennee@linaro.org>
To: "François Ozog" <francois.ozog@linaro.org>
Cc: Simon Glass <sjg@chromium.org>,
Albert Aribaud <albert.u.boot@aribaud.net>,
Neil Armstrong <narmstrong@baylibre.com>,
U-Boot Mailing List <u-boot@lists.denx.de>,
Andre Przywara <andre.przywara@arm.com>,
Tim Harvey <tharvey@gateworks.com>,
Ilias Apalodimas <ilias.apalodimas@linaro.org>,
Christian Hewitt <christianshewitt@gmail.com>,
Kever Yang <kever.yang@rock-chips.com>,
Rick Chen <rick@andestech.com>,
Tuomas Tynkkynen <tuomas.tynkkynen@iki.fi>,
Jagan Teki <jagan@amarulasolutions.com>,
Sean Anderson <seanga2@gmail.com>, Heiko Schocher <hs@denx.de>,
Fabio Estevam <festevam@gmail.com>, Tom Rini <trini@konsulko.com>,
Peter Robinson <pbrobinson@gmail.com>,
qemu-devel@nongnu.org
Subject: Re: [PATCH 05/16] arm: qemu: Add a devicetree file for qemu_arm64
Date: Wed, 27 Oct 2021 15:44:08 +0100 [thread overview]
Message-ID: <87v91iwmoc.fsf@linaro.org> (raw)
In-Reply-To: <CAHFG_=UDFn9MQfJz6oTAg15PiR2nt6QkoZS58+gsOMMVo31AXQ@mail.gmail.com>
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.
--
Alex Bennée
next prev parent reply other threads:[~2021-10-27 15:42 UTC|newest]
Thread overview: 164+ 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 ` Simon Glass
2021-10-13 1:01 ` [PATCH 01/16] arm: qemu: Mention -nographic in the docs Simon Glass
2021-10-13 1:01 ` Simon Glass
2021-10-13 1:01 ` [PATCH 02/16] arm: qemu: Explain how to extract the generate devicetree Simon Glass
2021-10-13 1:01 ` Simon Glass
2021-10-13 1:19 ` François Ozog
2021-10-13 1:19 ` François Ozog
2021-10-13 16:58 ` Simon Glass
2021-10-13 16:58 ` Simon Glass
2021-10-13 17:36 ` Tom Rini
2021-10-13 17:36 ` Tom Rini
2021-10-13 1:01 ` [PATCH 03/16] riscv: " Simon Glass
2021-10-13 1:01 ` 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 ` Simon Glass
2021-10-13 1:01 ` [PATCH 05/16] arm: qemu: Add a devicetree file for qemu_arm64 Simon Glass
2021-10-13 1:01 ` Simon Glass
2021-10-13 1:15 ` François Ozog
2021-10-13 1:15 ` François Ozog
2021-10-27 14:44 ` Alex Bennée [this message]
2021-10-27 14:44 ` Alex Bennée
2021-10-27 14:56 ` Tom Rini
2021-10-27 14:56 ` Tom Rini
2021-10-27 18:34 ` Simon Glass
2021-10-27 18:34 ` Simon Glass
2021-10-27 18:39 ` Tom Rini
2021-10-27 18:39 ` Tom Rini
2021-10-27 19:45 ` Alex Bennée
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 1:01 ` Simon Glass
2021-10-13 4:21 ` Heinrich Schuchardt
2021-10-13 4:21 ` Heinrich Schuchardt
2021-10-13 1:01 ` [PATCH 07/16] arm: rpi: Add a devicetree file for rpi_4 Simon Glass
2021-10-13 1:24 ` François Ozog
2021-10-13 1:01 ` [PATCH 08/16] arm: vexpress: Add a devicetree file for juno Simon Glass
2021-10-13 1:01 ` [PATCH 09/16] arm: xenguest_arm64: Add a fake devicetree file Simon Glass
2021-10-13 1:01 ` [PATCH 10/16] arm: octeontx: " Simon Glass
2021-10-13 1:27 ` François Ozog
2021-10-13 1:01 ` [PATCH 11/16] arm: xilinx_versal_virt: Add a " Simon Glass
2021-10-13 6:13 ` Michal Simek
2021-10-13 16:58 ` Simon Glass
2021-10-13 1:01 ` [PATCH 12/16] arm: bcm7xxx: " Simon Glass
2021-10-13 1:01 ` [PATCH 13/16] arm: qemu-ppce500: " Simon Glass
2021-10-13 1:01 ` [PATCH 14/16] arm: highbank: Add a fake " Simon Glass
2021-10-13 1:01 ` [PATCH 15/16] fdt: Make OF_BOARD a bool option Simon Glass
2021-10-13 4:22 ` Heinrich Schuchardt
2021-10-13 16:58 ` Simon Glass
2021-10-13 17:30 ` Sean Anderson
2021-10-24 19:53 ` Simon Glass
2021-10-13 1:01 ` [PATCH 16/16] Drop CONFIG_BINMAN_STANDALONE_FDT Simon Glass
2021-10-13 1:29 ` [PATCH 00/16] fdt: Make OF_BOARD a boolean option Bin Meng
2021-10-13 1:29 ` Bin Meng
2021-10-13 1:34 ` Tom Rini
2021-10-13 1:34 ` Tom Rini
2021-10-13 8:02 ` François Ozog
2021-10-13 8:02 ` François Ozog
2021-10-13 14:47 ` Simon Glass
2021-10-13 14:47 ` Simon Glass
2021-10-13 17:34 ` François Ozog
2021-10-13 17:34 ` François Ozog
2021-10-13 18:06 ` Simon Glass
2021-10-13 18:06 ` Simon Glass
2021-10-14 14:56 ` Tom Rini
2021-10-14 14:56 ` Tom Rini
2021-10-14 15:17 ` Simon Glass
2021-10-14 15:17 ` Simon Glass
2021-10-14 15:28 ` Tom Rini
2021-10-14 15:28 ` Tom Rini
2021-10-14 17:58 ` François Ozog
2021-10-14 17:58 ` François Ozog
2021-10-15 18:03 ` Simon Glass
2021-10-15 18:03 ` Simon Glass
2021-10-26 6:46 ` Ilias Apalodimas
2021-10-26 6:46 ` Ilias Apalodimas
2021-10-27 12:59 ` Tom Rini
2021-10-27 12:59 ` Tom Rini
2021-10-27 13:30 ` François Ozog
2021-10-27 13:30 ` François Ozog
2021-10-27 13:38 ` Tom Rini
2021-10-27 13:38 ` Tom Rini
2021-10-27 13:47 ` Ilias Apalodimas
2021-10-27 13:47 ` Ilias Apalodimas
2021-10-27 14:26 ` Tom Rini
2021-10-27 14:26 ` Tom Rini
2021-10-27 13:48 ` François Ozog
2021-10-27 13:48 ` François Ozog
2021-10-27 14:30 ` Tom Rini
2021-10-27 14:30 ` Tom Rini
2021-10-28 2:50 ` Simon Glass
2021-10-28 2:50 ` Simon Glass
2021-10-28 8:21 ` François Ozog
2021-10-28 8:21 ` François Ozog
2021-10-28 14:30 ` Simon Glass
2021-10-28 14:30 ` Simon Glass
2021-10-28 14:50 ` François Ozog
2021-10-28 14:50 ` François Ozog
2021-10-28 15:44 ` Simon Glass
2021-10-28 15:44 ` Simon Glass
2021-10-28 16:25 ` François Ozog
2021-10-28 16:25 ` François Ozog
2021-11-02 14:59 ` Simon Glass
2021-11-02 14:59 ` Simon Glass
2021-11-01 11:04 ` Ilias Apalodimas
2021-11-01 11:04 ` Ilias Apalodimas
2021-11-02 10:06 ` Michael Walle
2021-11-02 10:06 ` Michael Walle
2021-11-02 12:34 ` François Ozog
2021-11-02 12:34 ` François Ozog
2021-11-02 14:59 ` Simon Glass
2021-11-02 14:59 ` Simon Glass
2021-10-27 12:48 ` Tom Rini
2021-10-27 12:48 ` Tom Rini
2021-10-27 13:15 ` François Ozog
2021-10-27 13:15 ` François Ozog
2021-10-27 13:23 ` Heinrich Schuchardt
2021-10-27 13:23 ` Heinrich Schuchardt
2021-10-27 14:55 ` Tom Rini
2021-10-27 14:55 ` Tom Rini
2021-10-27 15:02 ` Heinrich Schuchardt
2021-10-27 15:02 ` Heinrich Schuchardt
2021-10-27 18:04 ` Tom Rini
2021-10-27 18:04 ` Tom Rini
2021-10-27 14:54 ` Tom Rini
2021-10-27 14:54 ` Tom Rini
2021-10-27 15:10 ` Mark Kettenis
2021-10-27 15:10 ` Mark Kettenis
2021-10-27 15:24 ` Simon Glass
2021-10-27 15:24 ` Simon Glass
2021-10-27 18:06 ` Tom Rini
2021-10-27 18:06 ` Tom Rini
2021-10-27 18:11 ` François Ozog
2021-10-27 18:11 ` François Ozog
2021-10-27 21:52 ` Mark Kettenis
2021-10-27 21:52 ` Mark Kettenis
2021-10-27 16:02 ` François Ozog
2021-10-27 16:02 ` François Ozog
2021-10-27 19:06 ` Tom Rini
2021-10-27 19:06 ` Tom Rini
2021-10-27 22:00 ` François Ozog
2021-10-27 22:00 ` François Ozog
2021-10-28 14:41 ` Tom Rini
2021-10-28 14:41 ` Tom Rini
2021-10-14 16:24 ` Andre Przywara
2021-10-14 16:24 ` Andre Przywara
2021-10-14 17:48 ` François Ozog
2021-10-14 17:48 ` François Ozog
2021-10-14 18:12 ` François Ozog
2021-10-14 18:12 ` François Ozog
2021-10-14 21:00 ` Simon Glass
2021-10-14 21:00 ` Simon Glass
2021-10-13 12:39 ` Philippe Mathieu-Daudé
2021-10-13 12:39 ` Philippe Mathieu-Daudé
2021-10-13 13:06 ` François Ozog
2021-10-13 13:06 ` François Ozog
2021-10-13 4:26 ` Heinrich Schuchardt
2021-10-13 4:26 ` Heinrich Schuchardt
2021-10-13 13:06 ` François Ozog
2021-10-13 13:06 ` François Ozog
2021-10-13 9:50 ` Andre Przywara
2021-10-13 9:50 ` Andre Przywara
2021-10-13 13:05 ` François Ozog
2021-10-13 13:05 ` François Ozog
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