PCI: thunder: Add PCIe host driver for ThunderX processors

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The root complexes used to access off-chip PCIe devices (called PEM units
in the hardware manuals) on some Cavium ThunderX processors require quirky
access methods for the config space of the PCIe bridge.

Add a driver to provide these config space accessor functions.  Use the
pci-host-common code to configure the PCI machinery.

Signed-off-by: David Daney <david.daney@cavium.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>

...

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David Daney 2016-03-04 14:31:47 -08:00 • committed by Bjorn Helgaas

parent 4e64dbe226

commit f12b76e56a

5 changed files with 405 additions and 0 deletions

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43

Documentation/devicetree/bindings/pci/pci-thunder-pem.txt

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8

MAINTAINERS

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7

drivers/pci/host/Kconfig

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1

drivers/pci/host/Makefile

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346

drivers/pci/host/pci-thunder-pem.c

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