From: Conor Dooley <conor@kernel.org>
To: Drew Fustini <dfustini@baylibre.com>
Cc: Jisheng Zhang <jszhang@kernel.org>,
Thomas Gleixner <tglx@linutronix.de>,
Marc Zyngier <maz@kernel.org>, Rob Herring <robh+dt@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Conor Dooley <conor+dt@kernel.org>,
Palmer Dabbelt <palmer@dabbelt.com>,
Paul Walmsley <paul.walmsley@sifive.com>,
Albert Ou <aou@eecs.berkeley.edu>,
Daniel Lezcano <daniel.lezcano@linaro.org>,
Guo Ren <guoren@kernel.org>, Fu Wei <wefu@redhat.com>,
linux-kernel@vger.kernel.org, devicetree@vger.kernel.org,
linux-riscv@lists.infradead.org
Subject: Re: [PATCH v3 0/8] Add Sipeed Lichee Pi 4A RISC-V board support
Date: Fri, 11 Aug 2023 18:46:53 +0100 [thread overview]
Message-ID: <20230811-bucket-fog-7d04c1ac227c@spud> (raw)
In-Reply-To: <ZNZyNjjekd2SW/mn@x1>
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On Fri, Aug 11, 2023 at 10:39:02AM -0700, Drew Fustini wrote:
> On Sun, Jun 18, 2023 at 12:15:21AM +0800, Jisheng Zhang wrote:
> > Sipeed's Lichee Pi 4A development board uses Lichee Module 4A core
> > module which is powered by T-HEAD's TH1520 SoC. Add minimal device
> > tree files for the core module and the development board.
> >
> > Support basic uart/gpio/dmac drivers, so supports booting to a basic
> > shell.
> >
> > NOTE: the thead cpu reset dt-binding and DT node are removed in v3. This
> > makes secondary CPUs unable to be online. However, minimal th1520
> > support is better than nothing. And the community has been working on
> > and will work on the cpu reset dt-binding, for example, Conor, Guo and
> > Jessica are discussing about it, I have seen valuable comments and
> > inputs from them. I believe we can add back cpu reset in next
> > development window.
>
> I'm interested in starting the secondary cpus on mainline. It seems that
> that "thead,reset-sample" is already implemented in upstream OpenSBI in
> lib/utils/reset/fdt_reset_thead.c and the issue is getting the
> dt-binding accepted. Is that correct?
There was nothing in the original series (AFAIR) that actually uses the
properties. Including it in the Linux DTS just makes life easier, since
the dts could also be used in OpenSBI?
> It looks like you've tried to restart the discussion on the DT list [1]
> so I hope that the DT maintainers will give their perspective.
I'm not sure what there is to say. I already gave feedback about it
which has been ignored.
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prev parent reply other threads:[~2023-08-11 17:47 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-06-17 16:15 [PATCH v3 0/8] Add Sipeed Lichee Pi 4A RISC-V board support Jisheng Zhang
2023-06-17 16:15 ` [PATCH v3 1/8] dt-bindings: interrupt-controller: Add T-HEAD's TH1520 PLIC Jisheng Zhang
2023-06-17 16:15 ` [PATCH v3 2/8] dt-bindings: timer: Add T-HEAD TH1520 clint Jisheng Zhang
2023-06-17 16:15 ` [PATCH v3 3/8] dt-bindings: riscv: Add T-HEAD TH1520 board compatibles Jisheng Zhang
2023-06-17 16:15 ` [PATCH v3 4/8] riscv: Add the T-HEAD SoC family Kconfig option Jisheng Zhang
2023-06-17 16:15 ` [PATCH v3 5/8] riscv: dts: add initial T-HEAD TH1520 SoC device tree Jisheng Zhang
2023-06-17 16:15 ` [PATCH v3 6/8] riscv: dts: thead: add sipeed Lichee Pi 4A board " Jisheng Zhang
2023-06-17 16:15 ` [PATCH v3 7/8] MAINTAINERS: add entry for T-HEAD RISC-V SoC Jisheng Zhang
2023-06-17 16:15 ` [PATCH v3 8/8] riscv: defconfig: enable T-HEAD SoC Jisheng Zhang
2023-06-17 17:02 ` [PATCH v3 0/8] Add Sipeed Lichee Pi 4A RISC-V board support Conor Dooley
2023-06-18 16:14 ` Jisheng Zhang
2023-06-17 18:20 ` Conor Dooley
2023-06-18 16:25 ` Jisheng Zhang
2023-06-18 21:01 ` Conor Dooley
2023-06-20 22:52 ` Conor Dooley
2023-06-20 22:55 ` Conor Dooley
2023-07-25 7:38 ` Xi Ruoyao
2023-07-25 7:52 ` Conor Dooley
2023-07-25 8:10 ` Conor Dooley
2023-07-25 14:32 ` Drew Fustini
2023-07-25 8:26 ` Xi Ruoyao
2023-07-25 14:58 ` Jisheng Zhang
2023-07-26 12:48 ` Xi Ruoyao
2023-07-26 15:00 ` Jisheng Zhang
2023-07-27 0:14 ` Xi Ruoyao
2023-07-27 0:54 ` Xi Ruoyao
2023-07-27 9:18 ` Xi Ruoyao
2023-07-27 16:11 ` Jisheng Zhang
2023-07-27 16:29 ` Xi Ruoyao
2023-07-28 7:04 ` Drew Fustini
2023-07-28 7:40 ` Xi Ruoyao
2023-07-28 10:05 ` Xi Ruoyao
2023-07-28 10:23 ` Emil Renner Berthing
2023-07-28 17:53 ` Drew Fustini
2023-07-29 7:11 ` Xi Ruoyao
2023-07-28 0:11 ` Drew Fustini
2023-08-11 17:39 ` Drew Fustini
2023-08-11 17:46 ` Conor Dooley [this message]
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