From: Guo Ren <guoren@kernel.org>
To: Conor Dooley <conor@kernel.org>
Cc: Samuel Holland <samuel@sholland.org>,
Chen-Yu Tsai <wens@csie.org>,
Jernej Skrabec <jernej.skrabec@gmail.com>,
linux-sunxi@lists.linux.dev, Palmer Dabbelt <palmer@dabbelt.com>,
linux-riscv@lists.infradead.org, devicetree@vger.kernel.org,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Rob Herring <robh+dt@kernel.org>,
Heiko Stuebner <heiko@sntech.de>,
Jisheng Zhang <jszhang@kernel.org>,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org,
Andre Przywara <andre.przywara@arm.com>,
Albert Ou <aou@eecs.berkeley.edu>,
Anup Patel <apatel@ventanamicro.com>,
Atish Patra <atishp@rivosinc.com>,
Christian Hewitt <christianshewitt@gmail.com>,
Conor Dooley <conor.dooley@microchip.com>,
Heinrich Schuchardt <heinrich.schuchardt@canonical.com>,
Linus Walleij <linus.walleij@linaro.org>,
Paul Walmsley <paul.walmsley@sifive.com>,
Stanislav Jakubek <stano.jakubek@gmail.com>
Subject: Re: [PATCH v2 11/12] riscv: Add the Allwinner SoC family Kconfig option
Date: Sun, 27 Nov 2022 19:31:15 +0800 [thread overview]
Message-ID: <CAJF2gTRpL7X+Td6cHhzJ5u2sRo15e4BGh+RKjKwB7fh8v8J2-g@mail.gmail.com> (raw)
In-Reply-To: <Y4JAh72RUJFS/RtR@spud>
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On Sun, Nov 27, 2022 at 12:36 AM Conor Dooley <conor@kernel.org> wrote:
>
> On Fri, Nov 25, 2022 at 05:46:55PM -0600, Samuel Holland wrote:
> > Allwinner manufactures the sunxi family of application processors. This
> > includes the "sun8i" series of ARMv7 SoCs, the "sun50i" series of ARMv8
> > SoCs, and now the "sun20i" series of 64-bit RISC-V SoCs.
> >
> > The first SoC in the sun20i series is D1, containing a single T-HEAD
> > C906 core. D1s is a low-pin-count variant of D1 with co-packaged DRAM.
> >
> > Most peripherals are shared across the entire chip family. In fact, the
> > ARMv7 T113 SoC is pin-compatible and almost entirely register-compatible
> > with the D1s.
> >
> > This means many existing device drivers can be reused. To facilitate
> > this reuse, name the symbol ARCH_SUNXI, since that is what the existing
> > drivers have as their dependency.
> >
> > Reviewed-by: Heiko Stuebner <heiko@sntech.de>
> > Tested-by: Heiko Stuebner <heiko@sntech.de>
> > Signed-off-by: Samuel Holland <samuel@sholland.org>
> > ---
> >
> > Changes in v2:
> > - Sort Kconfig as if we had done s/SOC_/ARCH_/ for future-proofing
> >
> > arch/riscv/Kconfig.socs | 9 +++++++++
> > 1 file changed, 9 insertions(+)
> >
> > diff --git a/arch/riscv/Kconfig.socs b/arch/riscv/Kconfig.socs
> > index 69774bb362d6..4c1dc2ca11f9 100644
> > --- a/arch/riscv/Kconfig.socs
> > +++ b/arch/riscv/Kconfig.socs
> > @@ -26,6 +26,15 @@ config SOC_STARFIVE
> > help
> > This enables support for StarFive SoC platform hardware.
> >
> > +config ARCH_SUNXI
> > + bool "Allwinner sun20i SoCs"
> > + select ERRATA_THEAD if MMU && !XIP_KERNEL
depend on MMU
depend on !XIP_KERNEL
select ERRATA_THEAD
>
> Does this need to have the if MMU? I thought it only needed the
> !XIP_KERNEL since the PMU errata does not depend on MMU.
>
> Or have a missed some patch elsewhere that'll change that?
>
> > + select SIFIVE_PLIC
>
> This is v6.3 material right? One of the things that should be going for
> v6.3 is all of these select SIFIVE_PLICs. Palmer suggested putting up an
> immutable branch for any of that cleanup that intersects with new
> platforms, so I'll probably send one out at some stage.
>
> Thanks,
> Conor.
>
> > + select SUN4I_TIMER
> > + help
> > + This enables support for Allwinner sun20i platform hardware,
> > + including boards based on the D1 and D1s SoCs.
> > +
> > config SOC_VIRT
> > bool "QEMU Virt Machine"
> > select CLINT_TIMER if RISCV_M_MODE
> > --
> > 2.37.4
> >
--
Best Regards
Guo Ren
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next prev parent reply other threads:[~2022-11-28 19:07 UTC|newest]
Thread overview: 55+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-11-25 23:46 [PATCH v2 00/12] riscv: Allwinner D1/D1s platform support Samuel Holland
2022-11-25 23:46 ` [PATCH v2 01/12] MAINTAINERS: Match the sun20i family of Allwinner SoCs Samuel Holland
2022-11-26 0:12 ` Guo Ren
2022-12-05 20:22 ` Jernej Škrabec
2022-11-25 23:46 ` [PATCH v2 02/12] dt-bindings: vendor-prefixes: Add Allwinner D1/D1s board vendors Samuel Holland
2022-11-26 0:14 ` Guo Ren
2022-11-25 23:46 ` [PATCH v2 03/12] dt-bindings: riscv: Add Allwinner D1/D1s board compatibles Samuel Holland
2022-11-26 0:15 ` Guo Ren
2022-11-26 15:54 ` Conor Dooley
2022-11-28 20:55 ` Heiko Stübner
2022-11-25 23:46 ` [PATCH v2 04/12] riscv: dts: allwinner: Add the D1/D1s SoC devicetree Samuel Holland
2022-11-26 16:03 ` Conor Dooley
2022-12-02 8:27 ` Icenowy Zheng
2022-11-27 17:41 ` Andre Przywara
2022-11-27 19:22 ` Samuel Holland
2022-12-05 20:29 ` Jernej Škrabec
2022-12-02 8:29 ` Icenowy Zheng
2022-11-28 13:34 ` Bin Meng
2022-11-28 20:59 ` Heiko Stübner
2022-11-25 23:46 ` [PATCH v2 05/12] riscv: dts: allwinner: Add MangoPi MQ devicetree Samuel Holland
2022-11-26 0:20 ` Guo Ren
2022-12-05 20:32 ` Jernej Škrabec
2022-11-25 23:46 ` [PATCH v2 06/12] riscv: dts: allwinner: Add Allwinner D1 Nezha devicetree Samuel Holland
2022-11-26 0:21 ` Guo Ren
2022-11-26 16:19 ` Conor Dooley
2022-11-28 21:01 ` Heiko Stübner
2022-12-05 20:33 ` Jernej Škrabec
2022-11-25 23:46 ` [PATCH v2 07/12] riscv: dts: allwinner: Add Sipeed Lichee RV devicetrees Samuel Holland
2022-12-05 20:42 ` Jernej Škrabec
2022-11-25 23:46 ` [PATCH v2 08/12] riscv: dts: allwinner: Add MangoPi MQ Pro devicetree Samuel Holland
2022-11-26 0:25 ` Guo Ren
2022-12-05 20:42 ` Jernej Škrabec
2022-11-25 23:46 ` [PATCH v2 09/12] riscv: dts: allwinner: Add Dongshan Nezha STU devicetree Samuel Holland
2022-11-26 0:25 ` Guo Ren
2022-12-05 20:43 ` Jernej Škrabec
2022-12-05 20:45 ` Jernej Škrabec
2022-11-25 23:46 ` [PATCH v2 10/12] riscv: dts: allwinner: Add ClockworkPi and DevTerm devicetrees Samuel Holland
2022-11-25 23:46 ` [PATCH v2 11/12] riscv: Add the Allwinner SoC family Kconfig option Samuel Holland
2022-11-26 0:23 ` Guo Ren
2022-11-26 16:36 ` Conor Dooley
2022-11-27 11:31 ` Guo Ren [this message]
2022-11-28 21:05 ` Heiko Stübner
2022-11-25 23:46 ` [PATCH v2 12/12] riscv: defconfig: Enable the Allwinner D1 platform and drivers Samuel Holland
2022-11-26 0:24 ` Guo Ren
2022-12-02 8:34 ` Icenowy Zheng
2022-11-26 16:40 ` Conor Dooley
2022-11-28 21:11 ` Heiko Stübner
2022-11-28 21:17 ` Conor Dooley
2022-11-29 6:49 ` Andrew Jones
2022-11-29 6:54 ` Conor Dooley
2022-11-30 20:24 ` Palmer Dabbelt
2022-11-30 21:49 ` Arnd Bergmann
2022-12-01 0:31 ` Andre Przywara
2022-11-26 10:24 ` [PATCH v2 00/12] riscv: Allwinner D1/D1s platform support Conor Dooley
2022-12-02 17:55 ` Palmer Dabbelt
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