[U-Boot] [RESEND PATCHv4 3/9] pci: Add PCIe Gen4 controller driver for NXP Layerscape SoCs

[Bin Meng]

On Mon, Mar 25, 2019 at 10:24 AM Z.q. Hou <zhiqiang.hou at nxp.com> wrote:
>
> From: Hou Zhiqiang <Zhiqiang.Hou at nxp.com>
>
> Add PCIe Gen4 driver for the NXP Layerscape SoCs. This PCIe
> controller is based on the Mobiveil IP, which is compatible
> with the PCI Express™ Base Specification, Revision 4.0.
>
> Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou at nxp.com>
> Signed-off-by: Bao Xiaowei <Xiaowei.Bao at nxp.com>
> ---
> V4:
>  - No change
>
>  drivers/pci/Kconfig                |   8 +
>  drivers/pci/Makefile               |   1 +
>  drivers/pci/pcie_layerscape_gen4.c | 577 +++++++++++++++++++++++++++++
>  drivers/pci/pcie_layerscape_gen4.h | 264 +++++++++++++
>  4 files changed, 850 insertions(+)
>  create mode 100644 drivers/pci/pcie_layerscape_gen4.c
>  create mode 100644 drivers/pci/pcie_layerscape_gen4.h
>
> diff --git a/drivers/pci/Kconfig b/drivers/pci/Kconfig
> index 1521885bde..2638a5a72d 100644
> --- a/drivers/pci/Kconfig
> +++ b/drivers/pci/Kconfig
> @@ -69,6 +69,14 @@ config PCI_RCAR_GEN2
>           Renesas RCar Gen2 SoCs. The PCIe controller on RCar Gen2 is
>           also used to access EHCI USB controller on the SoC.
>
> +config PCIE_LAYERSCAPE_GEN4

nits: should be put in the alphabetical order

> +       bool "Layerscape Gen4 PCIe support"
> +       depends on DM_PCI
> +       help
> +         Support PCIe Gen4 on NXP Layerscape SoCs, which may have one or
> +         several PCIe controllers. The PCIe controller can work in RC or
> +         EP mode according to RCW[HOST_AGT_PEX] setting.
> +
>  config PCI_SANDBOX
>         bool "Sandbox PCI support"
>         depends on SANDBOX && DM_PCI

Reviewed-by: Bin Meng <bmeng.cn at gmail.com>

Regards,
Bin