Re: [PATCH v3 00/11] Add Milk-V Pioneer RISC-V board support

[Conor Dooley <conor@kernel.org>]

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Hey,

On Wed, Sep 27, 2023 at 04:54:38PM +0800, Chen Wang wrote:
> Milk-V Pioneer [1] is a developer motherboard based on SOPHON SG2042 [2]
> in a standard mATX form factor. Add minimal device
> tree files for the SG2042 SOC and the Milk-V Pioneer board.
> 
> Now only support basic uart drivers to boot up into a basic console.
> 
> Thanks,
> Chen
> 
> ---
> 
> Changes in v3:
>   The patch series is based on v6.6-rc1. You can simply review or test 
>   the patches at the link [5].
>   - add new vendor specific compatible strings to identify timer/mswi for sg2042 clint
>   - updated maintainers info. for sophgo devicetree
>   - remove the quirk changes for uart
>   - updated dts, such as:
>     - add "riscv,isa-base"/"riscv,isa-extensions" for cpus
>     - update l2 cache node's name
>     - remove memory and pmu nodes
>   - fixed other issues as per input from reviewers.

v3 looks better indeed. I had some comments on the bindings and dt
patches, but none were particularly major.

Thanks,
Conor.

> 
> Changes in v2:
>   The patch series is based on v6.6-rc1. You can simply review or test 
>   the patches at the link [4].
>   - Improve format for comment of commitments as per input from last review.
>   - Improve format of DTS as per input from last review.
>   - Remove numa related stuff from DTS. This part is just for optimization, may
>     add it later if really needed. 
> 
> Changes in v1:
>    The patch series is based on v6.6-rc1. Due to it is not sent in thread,
>    I have listed permlinks of the patchset [v1-0/12] ~ [v1-12/12] here for 
>    quick reference. You can simply review or test the patches at the link [3].
> 
> [1]: https://milkv.io/pioneer
> [2]: https://en.sophgo.com/product/introduce/sg2042.html
> [3]: https://github.com/unicornx/linux-riscv/commits/milkv-pioneer-minimal
> [4]: https://github.com/unicornx/linux-riscv/commits/milkv-pioneer-minimal-v2
> [5]: https://github.com/unicornx/linux-riscv/commits/milkv-pioneer-minimal-v3
> [v1-0/12]:https://lore.kernel.org/linux-riscv/20230915070856.117514-1-wangchen20@iscas.ac.cn/
> [v1-1/12]:https://lore.kernel.org/linux-riscv/20230915071005.117575-1-wangchen20@iscas.ac.cn/
> [v1-2/12]:https://lore.kernel.org/linux-riscv/20230915071409.117692-1-wangchen20@iscas.ac.cn/
> [v1-3/12]:https://lore.kernel.org/linux-riscv/20230915072242.117935-1-wangchen20@iscas.ac.cn/
> [v1-4/12]:https://lore.kernel.org/linux-riscv/20230915072333.117991-1-wangchen20@iscas.ac.cn/
> [v1-5/12]:https://lore.kernel.org/linux-riscv/20230915072358.118045-1-wangchen20@iscas.ac.cn/
> [v1-6/12]:https://lore.kernel.org/linux-riscv/20230915072415.118100-1-wangchen20@iscas.ac.cn/
> [v1-7/12]:https://lore.kernel.org/linux-riscv/20230915072431.118154-1-wangchen20@iscas.ac.cn/
> [v1-8/12]:https://lore.kernel.org/linux-riscv/20230915072451.118209-1-wangchen20@iscas.ac.cn/
> [v1-9/12]:https://lore.kernel.org/linux-riscv/20230915072517.118266-1-wangchen20@iscas.ac.cn/
> [v1-10/12]:https://lore.kernel.org/linux-riscv/20230915072558.118325-1-wangchen20@iscas.ac.cn/
> [v1-11/12]:https://lore.kernel.org/linux-riscv/20230915072624.118388-1-wangchen20@iscas.ac.cn/
> [v1-12/12]:https://lore.kernel.org/linux-riscv/20230915072653.118448-1-wangchen20@iscas.ac.cn/
> 
> ---
> 
> Chen Wang (9):
>   riscv: Add SOPHGO SOC family Kconfig support
>   dt-bindings: vendor-prefixes: add milkv/sophgo
>   dt-bindings: riscv: add sophgo sg2042 bindings
>   dt-bindings: riscv: Add T-HEAD C920 compatibles
>   dt-bindings: interrupt-controller: Add Sophgo SG2042 PLIC
>   MAINTAINERS: add two files to sophgo devicetrees entry
>   riscv: dts: add initial Sophgo SG2042 SoC device tree
>   riscv: dts: sophgo: add Milk-V Pioneer board device tree
>   riscv: defconfig: enable SOPHGO SoC
> 
> Inochi Amaoto (2):
>   dt-bindings: timer: Add Sophgo sg2042 CLINT timer
>   dt-bindings: interrupt-controller: Add Sophgo sg2042 CLINT mswi
> 
>  .../sifive,plic-1.0.0.yaml                    |    1 +
>  .../sophgo,sg2042-clint-mswi.yaml             |   42 +
>  .../devicetree/bindings/riscv/cpus.yaml       |    1 +
>  .../devicetree/bindings/riscv/sophgo.yaml     |   28 +
>  .../timer/sophgo,sg2042-clint-mtimer.yaml     |   42 +
>  .../devicetree/bindings/vendor-prefixes.yaml  |    4 +
>  MAINTAINERS                                   |    9 +
>  arch/riscv/Kconfig.socs                       |    5 +
>  arch/riscv/boot/dts/Makefile                  |    1 +
>  arch/riscv/boot/dts/sophgo/Makefile           |    3 +
>  arch/riscv/boot/dts/sophgo/sg2042-cpus.dtsi   | 1880 +++++++++++++++++
>  .../boot/dts/sophgo/sg2042-milkv-pioneer.dts  |   19 +
>  arch/riscv/boot/dts/sophgo/sg2042.dtsi        |  325 +++
>  arch/riscv/configs/defconfig                  |    1 +
>  14 files changed, 2361 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/interrupt-controller/sophgo,sg2042-clint-mswi.yaml
>  create mode 100644 Documentation/devicetree/bindings/riscv/sophgo.yaml
>  create mode 100644 Documentation/devicetree/bindings/timer/sophgo,sg2042-clint-mtimer.yaml
>  create mode 100644 arch/riscv/boot/dts/sophgo/Makefile
>  create mode 100644 arch/riscv/boot/dts/sophgo/sg2042-cpus.dtsi
>  create mode 100644 arch/riscv/boot/dts/sophgo/sg2042-milkv-pioneer.dts
>  create mode 100644 arch/riscv/boot/dts/sophgo/sg2042.dtsi
> 
> 
> base-commit: 0bb80ecc33a8fb5a682236443c1e740d5c917d1d
> -- 
> 2.25.1
> 

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