mbox series

[v3,0/2] Add support for Xilinx Versal CPM5 Root Port

Message ID 20220309120025.6721-1-bharat.kumar.gogada@xilinx.com (mailing list archive)
Headers show
Series Add support for Xilinx Versal CPM5 Root Port | expand

Message

Bharat Kumar Gogada March 9, 2022, noon UTC
Xilinx Versal Premium series has CPM5 block which supports Root Port
functioning at Gen5 speed.

Xilinx Versal CPM5 has few changes with existing CPM block.
- CPM5 has dedicated register space for control and status registers.
- CPM5 legacy interrupt handling needs additonal register bit
  to enable and handle legacy interrupts.

Changes in v3:
- consistency in is_cpm5 flag check expression.

Bharat Kumar Gogada (2):
  dt-bindings: PCI: xilinx-cpm: Add Versal CPM5 Root Port
  PCI: xilinx-cpm: Add support for Versal CPM5 Root Port

 .../bindings/pci/xilinx-versal-cpm.yaml       | 47 ++++++++++++++++---
 drivers/pci/controller/pcie-xilinx-cpm.c      | 33 ++++++++++++-
 2 files changed, 72 insertions(+), 8 deletions(-)