linux-kernel - Re: [PATCH v6 00/11] riscv: add initial support for Canaan Kendryte K230

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Message-ID: <mhng-08e43080-8679-43f8-80c5-b73304e4e680@palmer-ri-x1c9>
Date: Wed, 03 Apr 2024 11:22:06 -0700 (PDT)
From: Palmer Dabbelt <palmer@...belt.com>
To: cyy@...self.name
CC: linux-riscv@...ts.infradead.org, Conor Dooley <conor@...nel.org>,
  dlemoal@...nel.org, robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
  Paul Walmsley <paul.walmsley@...ive.com>, aou@...s.berkeley.edu, guoren@...nel.org, mturquette@...libre.com,
  sboyd@...nel.org, linus.walleij@...aro.org, p.zabel@...gutronix.de, linux-gpio@...r.kernel.org,
  linux-clk@...r.kernel.org, devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, cyy@...self.name
Subject:     Re: [PATCH v6 00/11] riscv: add initial support for Canaan Kendryte K230

On Sat, 23 Mar 2024 05:09:42 PDT (-0700), cyy@...self.name wrote:
> K230 is an ideal chip for RISC-V Vector 1.0 evaluation now. Add initial
> support for it to allow more people to participate in building drivers
> to mainline for it.
>
> This kernel has been tested upon factory SDK [1] with
> k230_evb_only_linux_defconfig and patched mainline opensbi [2] to skip
> locked pmp and successfully booted to busybox on initrd with this log [3].
>
> [1] https://github.com/kendryte/k230_sdk
> [2] https://github.com/cyyself/opensbi/tree/k230
> [3] https://gist.github.com/cyyself/b9445f38cc3ba1094924bd41c9086176
>
> Changes since v5:
> - Deprecate SOC_CANAAN and use SOC_CANAAN_K210 for K210 SoCs
> - Modify existing K210 drivers depends on SOC_CANAAN_K210 symbol
> - Reword dts commit message
> - Modify dts to use Full 512MB memory
> - Rebase to linux mainline master
>
> Changes since v4:
> - Reword commit message on dts that the B-ext version of c908 is 1.0 rather
>   than 1.0-rc1
>
> v4: https://lore.kernel.org/linux-riscv/tencent_587730262984A011834F42D0563BC6B10405@qq.com/
>
> Changes since v3:
> - Refactor Kconfig.soc which uses ARCH_CANAAN for regular Canaan SoCs and
>   rename SOC_CANAAN to SOC_CANAAN_K210 for K210 in patch [5/7]
> - Sort dt-binding stings on Cannan SoCs in alphanumerical order
>
> v3: https://lore.kernel.org/linux-riscv/tencent_BB2364BBF1812F4E304F7BDDD11E57356605@qq.com/
>
> Changes since v2:
> - Add MIT License to dts file
> - Sort dt-binding stings in alphanumerical order
> - Sort filename in dts Makefile in alphanumerical order
> - Rename canmv-k230.dts to k230-canmv.dts
>
> v2: https://lore.kernel.org/linux-riscv/tencent_64A9B4B31C2D70D5633042461AC9F80C0509@qq.com/
>
> Changes since v1:
> - Patch dt-bindings in clint and plic
> - Use enum in K230 compatible dt bindings
> - Fix dts to pass `make dtbs_check`
> - Add more details in commit message
>
> v1: https://lore.kernel.org/linux-riscv/tencent_E15F8FE0B6769E6338AE690C7F4844A31706@qq.com/
>
> Yangyu Chen (11):
>   dt-bindings: riscv: Add T-HEAD C908 compatible
>   dt-bindings: add Canaan K230 boards compatible strings
>   dt-bindings: timer: Add Canaan K230 CLINT
>   dt-bindings: interrupt-controller: Add Canaan K230 PLIC
>   riscv: Kconfig.socs: Split ARCH_CANAAN and SOC_CANAAN_K210
>   soc: canaan: Deprecate SOC_CANAAN and use SOC_CANAAN_K210 for K210
>   clk: k210: Deprecate SOC_CANAAN and use SOC_CANAAN_K210
>   pinctrl: k210: Deprecate SOC_CANAAN and use SOC_CANAAN_K210
>   reset: k210: Deprecate SOC_CANAAN and use SOC_CANAAN_K210
>   riscv: dts: add initial canmv-k230 and k230-evb dts
>   riscv: config: enable ARCH_CANAAN in defconfig
>
>  .../sifive,plic-1.0.0.yaml                    |   1 +
>  .../devicetree/bindings/riscv/canaan.yaml     |   8 +-
>  .../devicetree/bindings/riscv/cpus.yaml       |   1 +
>  .../bindings/timer/sifive,clint.yaml          |   1 +
>  arch/riscv/Kconfig.socs                       |   8 +-
>  arch/riscv/Makefile                           |   2 +-
>  arch/riscv/boot/dts/canaan/Makefile           |   2 +
>  arch/riscv/boot/dts/canaan/k230-canmv.dts     |  24 +++
>  arch/riscv/boot/dts/canaan/k230-evb.dts       |  24 +++
>  arch/riscv/boot/dts/canaan/k230.dtsi          | 140 ++++++++++++++++++
>  arch/riscv/configs/defconfig                  |   1 +
>  arch/riscv/configs/nommu_k210_defconfig       |   3 +-
>  .../riscv/configs/nommu_k210_sdcard_defconfig |   3 +-
>  drivers/clk/Kconfig                           |   4 +-
>  drivers/pinctrl/Kconfig                       |   4 +-
>  drivers/reset/Kconfig                         |   4 +-
>  drivers/soc/Makefile                          |   2 +-
>  drivers/soc/canaan/Kconfig                    |   4 +-
>  18 files changed, 220 insertions(+), 16 deletions(-)
>  create mode 100644 arch/riscv/boot/dts/canaan/k230-canmv.dts
>  create mode 100644 arch/riscv/boot/dts/canaan/k230-evb.dts
>  create mode 100644 arch/riscv/boot/dts/canaan/k230.dtsi
>
> base-commit: 8e938e39866920ddc266898e6ae1fffc5c8f51aa

Acked-by: Palmer Dabbelt <palmer@...osinc.com>