Re: [PATCH v6 0/6] PCI: hisi: Add PCIe host support for HiSilicon SoC Hip05

[Zhou Wang <wangzhou1@hisilicon.com>]

[+cc jingoohan1@gmail.com]

On 2015/8/6 16:09, Zhou Wang wrote:
> This patchset adds PCIe host support for HiSilicon SoC Hip05. The PCIe hosts
> use PCIe IP core from Synopsys, So this driver is base on designware PCIe driver.
> 
> Hip05 is an ARMv8 architecture SoC. It should be able to use ARM64 PCIe API in
> designeware PCIe driver. So this patch also adds ARM64 support for designware
> pcie.
> 
> This patchset is based on v4.2-rc1.
> 
> Change from v5:
> - Merge 1/6 in this series, discussion about this can be found in [1]
> 
> Change from v4:
> - Change the author of 1/5 to Gabriele.
> - Modify problems in 3/5 pointed by Bjorn.
> - Modify spelling problems in 4/5.
> 
> Change from v3:
> - Change 1/5 to what Gabriele suggested.
> - Use win->__res.start to get *_mod_base in 2/5, this fix a bug in v3 series.
> 
> Change from v2:
> - Move struct pci_dev *dev and struct pci_sys_data *sys in
>   pcibios_align_resource in 1/5.
> - Add Gabriele's codes in 2/5 which delete unnecessary information parse and
>   use of_pci_get_host_bridge_resources for both ARM32 and ARM64.
> - Add maintainer patch 5/5.
> 
> Change from RFC v1:
> - Add 1/4 patch by Arnd which removes align_resource callback in ARM
>   pcibios_align_resource.
> - Change head file in pcie-designware from asm/hardirq.h to linux/hardirq.h.
> - Set pp->root_bus_nr = 0 in dra7xx, exynos, imx6, keystone, layerscape,
>   spear13xx.
> - Remove unnecessary parentheses of some macros in pcie-hisi.
> - Use macro to replace some magic values.
> - Merge two loops together and add some comments about it in context_config
>   function in pcie-hisi.
> - Modify some value of items in pcie node example in binding document. 
> 
> Change from RFC:
> - delete dw_pcie_setup, dw_pcie_scan_bus, dw_pcie_map_irq and struct hw_pci,
>   merge related operations into dw_pcie_host_init.
> 
> Link of v5:
> - http://www.spinics.net/lists/devicetree/msg87959.html
> Link of v4:
> - http://www.spinics.net/lists/arm-kernel/msg433050.html
> Link of v3:
> - http://www.spinics.net/lists/linux-pci/msg42539.html
> Link of v2:
> - http://www.spinics.net/lists/linux-pci/msg41844.html
> Link of RFC v1:
> - http://www.spinics.net/lists/linux-pci/msg41305.html
> Link of RFC:
> - http://www.spinics.net/lists/linux-pci/msg40434.html
> 
> [1] http://lists.infradead.org/pipermail/linux-arm-kernel/2015-July/359741.html
> 
> Zhou Wang (4):
>   PCI: designware: Add ARM64 support
>   PCI: hisi: Add PCIe host support for HiSilicon SoC Hip05
>   Documentation: DT: Add HiSilicon PCIe host binding
>   MAINTAINERS: Add pcie-hisi maintainer
> 
> gabriele paoloni (2):
>   PCI: designware: move calculation of bus addresses to DRA7xx
>   ARM/PCI: remove align_resource in pci_sys_data
> 
>  .../devicetree/bindings/pci/hisilicon-pcie.txt     |  46 ++++
>  MAINTAINERS                                        |   7 +
>  arch/arm/include/asm/mach/pci.h                    |   5 -
>  arch/arm/kernel/bios32.c                           |  12 +-
>  drivers/pci/host/Kconfig                           |   8 +
>  drivers/pci/host/Makefile                          |   1 +
>  drivers/pci/host/pci-dra7xx.c                      |  14 ++
>  drivers/pci/host/pci-exynos.c                      |   2 +-
>  drivers/pci/host/pci-imx6.c                        |   2 +-
>  drivers/pci/host/pci-keystone-dw.c                 |   2 +-
>  drivers/pci/host/pci-keystone.c                    |   2 +-
>  drivers/pci/host/pci-layerscape.c                  |   2 +-
>  drivers/pci/host/pcie-designware.c                 | 236 ++++++-------------
>  drivers/pci/host/pcie-designware.h                 |  14 +-
>  drivers/pci/host/pcie-hisi.c                       | 254 +++++++++++++++++++++
>  drivers/pci/host/pcie-spear13xx.c                  |   2 +-
>  16 files changed, 425 insertions(+), 184 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/pci/hisilicon-pcie.txt
>  create mode 100644 drivers/pci/host/pcie-hisi.c
>