Re: [PATCH 0/5] Add AMD Versal CPM/QDMA PCIe support

[Michal Simek <michal.simek@amd.com>]

On 8/24/26 09:21, Pranav Sanwal wrote:
> This series adds PCIe root port support for the AMD Versal CPM4, CPM5
> and QDMA PL (soft IP) host bridges, and enables it along with NVMe
> storage on the xilinx_versal_virt platform.
> 
> Patch 1 adds a generic mmap config-space write helper for host bridges
> that only decode 32-bit accesses.
> Patches 2 and 3 add the QDMA PL and CPM4/CPM5 host bridge drivers,
> respectively.
> Patch 4 maps the CPM5 ECAM windows as device memory so config space
> accesses are not cached or reordered.
> Patch 5 wires everything up in the versal_virt defconfig and adds NVMe
> as a distro boot target.
> 
> Pranav Sanwal (5):
>    pci: Add pci_generic_mmap_write_config32() helper
>    pci: Add support for AMD QDMA PL PCIe root port
>    pci: Add support for CPM4 and CPM5 PCIe controllers
>    arm64: versal: Add MMU mappings for CPM5 ECAM config space
>    arm64: versal: Enable PCIe/NVMe support and add NVMe boot target
> 
>   MAINTAINERS                          |  10 +
>   arch/arm/mach-versal/cpu.c           |  20 ++
>   configs/xilinx_versal_virt_defconfig |   6 +
>   drivers/pci/Kconfig                  |  19 ++
>   drivers/pci/Makefile                 |   2 +
>   drivers/pci/pci-uclass.c             |  42 ++++
>   drivers/pci/pcie_amd_cpm.c           | 363 +++++++++++++++++++++++++++
>   drivers/pci/pcie_amd_qdma_pl.c       | 205 +++++++++++++++
>   include/configs/xilinx_versal.h      |   7 +
>   include/pci.h                        |  26 ++
>   10 files changed, 700 insertions(+)
>   create mode 100644 drivers/pci/pcie_amd_cpm.c
>   create mode 100644 drivers/pci/pcie_amd_qdma_pl.c
> 

Applied.
M