[PATCH v6 0/3] Add host controller drivers for Cavium ThunderX PCI

[David Daney]

From: David Daney <david.daney@xxxxxxxxxx>

Some Cavium ThunderX processors require quirky access methods for the
config space of the PCIe bridge.

There are now three patches:

1) Refactor code in pci-host-generic so that it can more easily be
   used by other drivers.  This splits the driver for CAM and ECAM
   access methods to a separate file from the common host driver code.

2) Add the ThunderX PCIe driver to external PCIe buses, which
   leverages the code in pci-host-generic

3) Add ThunderX PCI driver for internel SoC buses used on early
   ThunderX chip revisions.

Changes from v5: Added Acked-by Rob Herring for the device tree
binding in 3/3.  Fixed typo and split large functions as suggested by
Bjorn Helgaas.

Changes from v4: Added patch 3/3.  Stylistic changes to 2/3 suggested
by Bjorn Helgaas.  When expanding config write width to 32-bits, mask
out unintened writes to W1C bits, also suggested by Bjorn Helgaas.

Changes from v3: Add some Acked-by, rebased to v4.5.0-rc1

Changes from v2: Improve device tree binding example as noted by Rob
Herring.  Rename pcie-thunder-pem.* to pci-thunder-pem.* for better
consistency.  Update MAINTAINERS to reflect the changes.

Changes from v1: Split CAM and ECAM code from common driver code as
suggested by Arnd Bergmann.  Fix spelling errors in
pcie-thunder-pem.txt

David Daney (3):
  PCI: generic: Refactor code to enable reuse by other drivers.
  pci, pci-thunder-pem: Add PCIe host driver for ThunderX processors.
  pci, pci-thunder-ecam: Add driver for ThunderX-pass1 on-chip devices

 .../devicetree/bindings/pci/pci-thunder-ecam.txt   |  30 ++
 .../devicetree/bindings/pci/pci-thunder-pem.txt    |  43 +++
 MAINTAINERS                                        |   9 +
 drivers/pci/host/Kconfig                           |  18 ++
 drivers/pci/host/Makefile                          |   3 +
 drivers/pci/host/pci-host-common.c                 | 194 +++++++++++
 drivers/pci/host/pci-host-common.h                 |  47 +++
 drivers/pci/host/pci-host-generic.c                | 181 +----------
 drivers/pci/host/pci-thunder-ecam.c                | 358 +++++++++++++++++++++
 drivers/pci/host/pci-thunder-pem.c                 | 347 ++++++++++++++++++++
 10 files changed, 1053 insertions(+), 177 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/pci/pci-thunder-ecam.txt
 create mode 100644 Documentation/devicetree/bindings/pci/pci-thunder-pem.txt
 create mode 100644 drivers/pci/host/pci-host-common.c
 create mode 100644 drivers/pci/host/pci-host-common.h
 create mode 100644 drivers/pci/host/pci-thunder-ecam.c
 create mode 100644 drivers/pci/host/pci-thunder-pem.c

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1.8.3.1