Re: [PATCH 0/2] riscv: sophgo Add PCIe support to Sophgo SG2044 SoC

[Chen Wang]

I think it should be v2, right? :)

On 2025/3/4 15:12, Inochi Amaoto wrote:
> Sophgo's SG2044 SoC uses Synopsys Designware PCIe core
> to implement RC mode.
>
> For legacy interrupt, the PCIe controller on SG2044 implement
> its own legacy interrupt controller. For MSI/MSI-X, it use an
> external interrupt controller to handle.
>
> The external MSI interrupt controller patch can be found on [1].
> As SG2044 needs a mirror change to support the way to send MSI
> message and different irq number.
>
> [1] https://lore.kernel.org/all/20250303111648.1337543-1-inochiama@xxxxxxxxx
>
> Changed from v1:
> - https://lore.kernel.org/all/20250221013758.370936-1-inochiama@xxxxxxxxxx
> 1. patch 1: remove dma-coherent property
> 2. patch 2: remove unused reset
> 3. patch 2: fix Kconfig menu title and reorder the entry
> 4. patch 2: use FIELD_GET/FIELD_PREP to simplify the code.
> 5. patch 2: rename the irq handle function to match the irq_chip name
>
> Inochi Amaoto (2):
>    dt-bindings: pci: Add Sophgo SG2044 PCIe host
>    PCI: sophgo-dwc: Add Sophgo SG2044 PCIe driver
>
>   .../bindings/pci/sophgo,sg2044-pcie.yaml      | 122 ++++++++
>   drivers/pci/controller/dwc/Kconfig            |  10 +
>   drivers/pci/controller/dwc/Makefile           |   1 +
>   drivers/pci/controller/dwc/pcie-dw-sophgo.c   | 270 ++++++++++++++++++
>   4 files changed, 403 insertions(+)
>   create mode 100644 Documentation/devicetree/bindings/pci/sophgo,sg2044-pcie.yaml
>   create mode 100644 drivers/pci/controller/dwc/pcie-dw-sophgo.c
>
> --
> 2.48.1