Re: [PATCH 00/24] Add support for PCIe RC and EP mode in TI's AM654 SoC

Lorenzo Pieralisi
2019-02-04T16:41:08Z

On Mon, Jan 14, 2019 at 06:54:00PM +0530, Kishon Vijay Abraham I wrote:
> Add PCIe RC support for TI's AM654 SoC. The PCIe controller in AM654
> uses Synopsys core revision 4.90a and uses the same TI wrapper as used
> in keystone2 with certain modification. Hence AM654 will use the same
> pci wrapper driver pci-keystone.c
>
> This series was initially part of [1]. This series only includes patches
> that has to be merged via Lorenzo's tree. The PHY patches and dt patches
> will be sent separately.
>
> This series is created over my keystone MSI cleanup series [2] and EPC
> features series [3].

Hi Kishon,

so I would suggest we merge those series first, starting from the MSI
clean-up.

I will mark this series as awaiting upstream, it is on my radar but
we have to get the two others done first.

Thanks,
Lorenzo

> This series:
> *) Cleanup pci-keystone driver so that both RC mode and EP mode of
> AM654 can be supported
> *) Modify epc-core to support allocation of aligned buffers required for
> AM654
> *) Fix ATU unroll identification
> *) Add support for both host mode and device mode in AM654
>
> [1] -> https://lore.kernel.org/patchwork/cover/989487/
> [2] -> https://www.mail-archive.com/linux-kernel@vger.kernel.org/msg1883081.html
> [3] -> https://www.mail-archive.com/linux-kernel@vger.kernel.org/msg1899011.html
>
> Kishon Vijay Abraham I (24):
> PCI: keystone: Add start_link/stop_link dw_pcie_ops
> PCI: keystone: Cleanup error_irq configuration
> dt-bindings: PCI: keystone: Add "reg-names" binding information
> PCI: keystone: Perform host initialization in a single function
> PCI: keystone: Use platform_get_resource_byname to get memory
> resources
> PCI: keystone: Move initializations to appropriate places
> dt-bindings: PCI: Add dt-binding to configure PCIe mode
> PCI: keystone: Explicitly set the PCIe mode
> dt-bindings: PCI: Document "atu" reg-names
> PCI: dwc: Enable iATU unroll for endpoint too
> PCI: dwc: Fix ATU identification for designware version >= 4.80
> PCI: keystone: Prevent ARM32 specific code to be compiled for ARM64
> dt-bindings: PCI: Add PCI RC dt binding documentation for AM654
> PCI: keystone: Add support for PCIe RC in AM654x Platforms
> PCI: keystone: Invoke phy_reset API before enabling PHY
> PCI: endpoint: Add support to allocate aligned buffers to be mapped in
> BARs
> PCI: dwc: Add const qualifier to struct dw_pcie_ep_ops
> PCI: dwc: Fix dw_pcie_ep_find_capability to return correct capability
> offset
> PCI: dwc: Add callbacks for accessing dbi2 address space
> PCI: keystone: Add support for PCIe EP in AM654x Platforms
> PCI: designware-ep: Configure RESBAR to advertise the smallest size
> PCI: designware-ep: Use aligned ATU window for raising MSI interrupts
> misc: pci_endpoint_test: Add support to test PCI EP in AM654x
> misc: pci_endpoint_test: Fix test_reg_bar to be updated in
> pci_endpoint_test
>
> .../bindings/pci/designware-pcie.txt | 7 +-
> .../devicetree/bindings/pci/pci-keystone.txt | 14 +-
> drivers/misc/pci_endpoint_test.c | 17 +
> drivers/pci/controller/dwc/Kconfig | 25 +-
> drivers/pci/controller/dwc/pci-dra7xx.c | 2 +-
> drivers/pci/controller/dwc/pci-keystone.c | 505 ++++++++++++++----
> drivers/pci/controller/dwc/pcie-artpec6.c | 2 +-
> .../pci/controller/dwc/pcie-designware-ep.c | 55 +-
> .../pci/controller/dwc/pcie-designware-host.c | 19 -
> .../pci/controller/dwc/pcie-designware-plat.c | 2 +-
> drivers/pci/controller/dwc/pcie-designware.c | 52 ++
> drivers/pci/controller/dwc/pcie-designware.h | 15 +-
> drivers/pci/endpoint/functions/pci-epf-test.c | 5 +-
> drivers/pci/endpoint/pci-epf-core.c | 10 +-
> include/linux/pci-epc.h | 2 +
> include/linux/pci-epf.h | 3 +-
> 16 files changed, 587 insertions(+), 148 deletions(-)
>
> --
> 2.17.1
>