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[v4,0/2] Adding support for Versal CPM as Root Port driver.

Message ID 1580215483-8835-1-git-send-email-bharat.kumar.gogada@xilinx.com (mailing list archive)
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Series Adding support for Versal CPM as Root Port driver. | expand

Message

Bharat Kumar Gogada Jan. 28, 2020, 12:44 p.m. UTC 
- Add support for Versal CPM as Root port.
- The Versal ACAP devices include CCIX-PCIe Module (CPM). The integrated
  block for CPM along with the integrated bridge can function
  as PCIe Root Port.
- Versal CPM uses GICv3 ITS feature for assigning MSI/MSI-X
  vectors and handling MSI/MSI-X interrupts.
- Bridge error and legacy interrupts in Versal CPM are handled using
  Versal CPM specific MISC interrupt line.

Bharat Kumar Gogada (2):
  PCI: xilinx-cpm: Add device tree binding for Versal CPM host bridge.
  PCI: xilinx-cpm: Add Versal CPM Root Port driver

 .../devicetree/bindings/pci/xilinx-versal-cpm.txt  |  66 +++
 drivers/pci/controller/Kconfig                     |   8 +
 drivers/pci/controller/Makefile                    |   1 +
 drivers/pci/controller/pcie-xilinx-cpm.c           | 506 +++++++++++++++++++++
 4 files changed, 581 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/pci/xilinx-versal-cpm.txt
 create mode 100644 drivers/pci/controller/pcie-xilinx-cpm.c

Comments

Bjorn Helgaas Jan. 28, 2020, 2:04 p.m. UTC | #1 
On Tue, Jan 28, 2020 at 06:14:41PM +0530, Bharat Kumar Gogada wrote:
> - Add support for Versal CPM as Root port.
> - The Versal ACAP devices include CCIX-PCIe Module (CPM). The integrated
>   block for CPM along with the integrated bridge can function
>   as PCIe Root Port.
> - Versal CPM uses GICv3 ITS feature for assigning MSI/MSI-X
>   vectors and handling MSI/MSI-X interrupts.
> - Bridge error and legacy interrupts in Versal CPM are handled using
>   Versal CPM specific MISC interrupt line.
> 
> Bharat Kumar Gogada (2):
>   PCI: xilinx-cpm: Add device tree binding for Versal CPM host bridge.
>   PCI: xilinx-cpm: Add Versal CPM Root Port driver

Nit for next time: Omit the period at the end of the subject.  No need
to repost just for that.

>  .../devicetree/bindings/pci/xilinx-versal-cpm.txt  |  66 +++
>  drivers/pci/controller/Kconfig                     |   8 +
>  drivers/pci/controller/Makefile                    |   1 +
>  drivers/pci/controller/pcie-xilinx-cpm.c           | 506 +++++++++++++++++++++
>  4 files changed, 581 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/pci/xilinx-versal-cpm.txt
>  create mode 100644 drivers/pci/controller/pcie-xilinx-cpm.c
> 
> -- 
> 2.7.4
>