| Message ID | 20220705105646.16980-1-bharat.kumar.gogada@xilinx.com |
|---|---|
| Headers | show |
| Series | Add support for Xilinx Versal CPM5 Root Port | expand |
Ping! > -----Original Message----- > From: Bharat Kumar Gogada <bharat.kumar.gogada@xilinx.com> > Sent: Tuesday, July 5, 2022 4:27 PM > To: linux-pci@vger.kernel.org; linux-kernel@vger.kernel.org > Cc: bhelgaas@google.com; michals@xilinx.com; Bharat Kumar Gogada > <bharat.kumar.gogada@xilinx.com> > Subject: [PATCH v6 0/2] Add support for Xilinx Versal CPM5 Root Port > > 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 additional register bit > to enable and handle legacy interrupts. > > Changes in v6: > - Added of_device_get_match_data to identify CPM version. > - Used enum values to differentiate CPM version. > > 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 | 38 ++++++++++- > drivers/pci/controller/pcie-xilinx-cpm.c | 64 ++++++++++++++++++- > 2 files changed, 98 insertions(+), 4 deletions(-) > > -- > 2.17.1
On Tue, Jul 05, 2022 at 04:26:44PM +0530, Bharat Kumar Gogada wrote: > 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 additional register bit > to enable and handle legacy interrupts. > > Changes in v6: > - Added of_device_get_match_data to identify CPM version. > - Used enum values to differentiate CPM version. > > 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 | 38 ++++++++++- > drivers/pci/controller/pcie-xilinx-cpm.c | 64 ++++++++++++++++++- > 2 files changed, 98 insertions(+), 4 deletions(-) Applied to pci/ctrl/xilinx-cpm for v5.20, thanks! I tweaked the driver patch to test: if (port->variant->version == CPM5) instead of just: if (port->variant->version) so it doesn't depend on the enum values.
Thanks Bjorn. > On Tue, Jul 05, 2022 at 04:26:44PM +0530, Bharat Kumar Gogada wrote: > > 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 additional register bit > > to enable and handle legacy interrupts. > > > > Changes in v6: > > - Added of_device_get_match_data to identify CPM version. > > - Used enum values to differentiate CPM version. > > > > 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 | 38 ++++++++++- > > drivers/pci/controller/pcie-xilinx-cpm.c | 64 ++++++++++++++++++- > > 2 files changed, 98 insertions(+), 4 deletions(-) > > Applied to pci/ctrl/xilinx-cpm for v5.20, thanks! > > I tweaked the driver patch to test: > > if (port->variant->version == CPM5) > > instead of just: > > if (port->variant->version) > > so it doesn't depend on the enum values.