linux-kernel - [PATCH v4 0/8] PCI: brcmstb: Add Broadcom Settopbox PCIe support

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Date:   Mon, 15 Jan 2018 18:28:37 -0500
From:   Jim Quinlan <jim2101024@...il.com>
To:     linux-kernel@...r.kernel.org, Bjorn Helgaas <bhelgaas@...gle.com>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will.deacon@....com>,
        Rob Herring <robh+dt@...nel.org>,
        Brian Norris <computersforpeace@...il.com>,
        Russell King <rmk+kernel@...linux.org.uk>,
        Robin Murphy <robin.murphy@....com>,
        Christoph Hellwig <hch@....de>,
        Florian Fainelli <f.fainelli@...il.com>,
        Jonas Gorski <jonas.gorski@...il.com>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>
Cc:     linux-pci@...r.kernel.org, bcm-kernel-feedback-list@...adcom.com,
        Gregory Fong <gregory.0xf0@...il.com>,
        Kevin Cernekee <cernekee@...il.com>,
        Mark Rutland <mark.rutland@....com>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mips@...ux-mips.org, Ralf Baechle <ralf@...ux-mips.org>,
        Jim Quinlan <jim2101024@...il.com>
Subject: [PATCH v4 0/8] PCI: brcmstb: Add Broadcom Settopbox PCIe support

This patch series adds support for the Broadcom Settopbox PCIe host
controller.  It is targeted to Broadcom Settopbox chips running on
ARM, ARM64, and MIPS platforms.

V4 Changes:
  - Merged all BrcmSTB PCIe controller files into a single file.
  - All new files now have the SPDX identifier.
  - Removed the list of PCIe controllers.
  - Removed "link-up" race.
  - Removed probe of msi psuedo-device.
  - Multiple comment text changes, as requested.
  - "SSC" => "Spread Spectrum Clocking".
  - Set 'memc' variable.
  - Unnecessary variable initializations removed (eg rc_bar2_size).
  - Added comment on "L23" link state.
  - Removed use of "__refdata".
  - Formatting of structure elements.

V3 Changes:
  - Fold pcie-brcmstb-msi.c into pcie-brcmstb.c
  - Use PCI_XXX constants for PCIe capability registers
  - Removal of any unused constants
  - Change s/pci/pcie/ for filenames, comment text
  - Config space access now uses 8/16/32 read/writes
  - Use proper multi-line comment style
  - Use function names, structure that are common in other host drivers
  - DT binding 'brcm,ssc' is now 'brcm,enable-ssc'
  - Dropped DT binding 'xyz-supply'
  - Not setting CRS support as Linux does it if it is advertised.
  - Removed code that was considered "debug code".
  - Use of_get_pcie_domain_nr()
  - Variable 'bridge_setup_done' removed.

V2 Changes:
* Patch brcmstb-add-memory-API:
  - fix DT_PROP_DATA_TO_U32 macro.
  - dropped one EXPORT_SYMBOL, changed the other to GPL.
* Patch DT-docs-for-Brcmstb-PCIe:
  - change 'brcm,gen' prop to standard 'max-link-speed'.
  - rewrite bindings commit to omit standard prop defs.
  - change props "supplies", "supply-names" to "xyz-supply"
* Patch removed: export-symbol-arch_setup_dma_ops [4/9]
* Patch brcmstb-add-dma-ranges:
  - use get_dma_ops(); also use a const dma_map_ops structure.
  - rewrite map_sg(), unmap_sg(), other calls like syng_sg_*()
  - omit brcm_mapping_error(), but added code in brcm_dma_supported()
  - put all of the notifier code in one compilation unit.

Florian Fainelli (1):
  SOC: brcmstb: add memory API

Jim Quinlan (7):
  dt-bindings: pci: Add DT docs for Brcmstb PCIe device
  PCI: brcmstb: Add Broadcom STB PCIe host controller driver
  PCI: brcmstb: Add dma-range mapping for inbound traffic
  PCI/MSI: Enable PCI_MSI_IRQ_DOMAIN support for MIPS
  PCI: brcmstb: Add MSI capability
  MIPS: BMIPS: Add PCI bindings for 7425, 7435
  MIPS: BMIPS: Enable PCI

 .../devicetree/bindings/pci/brcmstb-pcie.txt       |   59 +
 arch/mips/Kconfig                                  |    3 +
 arch/mips/boot/dts/brcm/bcm7425.dtsi               |   26 +
 arch/mips/boot/dts/brcm/bcm7435.dtsi               |   27 +
 arch/mips/boot/dts/brcm/bcm97425svmb.dts           |    4 +
 arch/mips/boot/dts/brcm/bcm97435svmb.dts           |    4 +
 arch/mips/include/asm/Kbuild                       |    1 +
 drivers/pci/Kconfig                                |    2 +-
 drivers/pci/host/Kconfig                           |    9 +
 drivers/pci/host/Makefile                          |    1 +
 drivers/pci/host/pcie-brcmstb.c                    | 1830 ++++++++++++++++++++
 drivers/soc/bcm/brcmstb/Makefile                   |    2 +-
 drivers/soc/bcm/brcmstb/memory.c                   |  158 ++
 include/soc/brcmstb/memory_api.h                   |   25 +
 14 files changed, 2149 insertions(+), 2 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/pci/brcmstb-pcie.txt
 create mode 100644 drivers/pci/host/pcie-brcmstb.c
 create mode 100644 drivers/soc/bcm/brcmstb/memory.c
 create mode 100644 include/soc/brcmstb/memory_api.h

-- 
1.9.0.138.g2de3478