[PATCH RFT v2 0/4] pci: add common Designware PCIe functions and support Amlogic Meson PCIe controller

[Neil Armstrong]

Hi Bin,

On 25/03/2021 15:49, Neil Armstrong wrote:
> With the introduction of pcie_dw_rockchip, and need to support the DW PCIe in the
> Amlogic AXG & G12 SoCs, most of the DW PCIe helpers would be duplicated.
> 
> This introduce a "common" DW PCIe helpers file with common code merged from the
> dw_ti and dw_rockchip drivers and adapted to fit with the upcoming dw_meson.
> 
> The following changes will switch the dw_ti and dw_rockchip, and introduce a new
> driver to support the Amlogic AXG & G12 SoCs using these new common helpers.
> 
> The dw_meson has been validated, but the dw_ti and dw_rockchip would need testing
> on hardware to validate nothing has been broken.

How should be proceed ? I can't possibly test patches 2 & 3, but Green has tested it
on Sifive, should patch 1 & 4 be merged then we should wait feedback from the Ti & Rockchip
owners ?

Neil

> 
> Changes since v1:
> - added prefetch memory region support
> - switched to __iomem
> - fixed circular dependency for PCI_KEYSTONE
> 
> Neil Armstrong (4):
>   pci: add common Designware PCIe functions
>   pci: pcie_dw_ti: migrate to common Designware PCIe functions
>   pci: pcie_dw_rockchip: migrate to common Designware PCIe functions
>   pci: add Amlogic Meson Designware PCIe controller
> 
>  drivers/pci/Kconfig            |  16 +-
>  drivers/pci/Makefile           |   2 +
>  drivers/pci/pcie_dw_common.c   | 366 +++++++++++++++++++++++++
>  drivers/pci/pcie_dw_common.h   | 155 +++++++++++
>  drivers/pci/pcie_dw_meson.c    | 459 ++++++++++++++++++++++++++++++++
>  drivers/pci/pcie_dw_rockchip.c | 472 ++-------------------------------
>  drivers/pci/pcie_dw_ti.c       | 444 +++----------------------------
>  7 files changed, 1062 insertions(+), 852 deletions(-)
>  create mode 100644 drivers/pci/pcie_dw_common.c
>  create mode 100644 drivers/pci/pcie_dw_common.h
>  create mode 100644 drivers/pci/pcie_dw_meson.c
>