[PATCH v5 0/9] ARM: RPi5: Enable PCIe

[Peter Robinson]

On Sun, 14 Jun 2026 at 12:50, Simon Glass <sjg at chromium.org> wrote:
>
> Hi Torsten,
>
> On Mon, 1 Jun 2026 at 04:36, Torsten Duwe <duwe at lst.de> wrote:
> >
> > Basic PCIe support for the RPi5. This is the prerequisite for PCIe
> > slot adapters / HATs and NVMe storage. Those might require their own
> > supporting drivers or changes. It is also the prerequisite for all
> > peripherials residing on the RP1 I/O controller, like USB, network,
> > GPIOs and all serial ports beyond the debug connector.
> >
> > Changes from v4:
> >   - fixed remaining style issues, no functional changes
> >   - patches 3&6 Reviewed-by Neil Armstrong
> >
> > Changes from v3:
> >   - differentiate only between bcm2711 and -12. No possible future
> >     extensions for other chips. In particular, keep EXT_CFG_INDEX and
> >     EXT_CFG_DATA offsets fixed, no functions in the cfg struct that
> >     are the same for both, like bridge_sw_init_set and rc_mode.
> >   - pass error codes through the newly introduced reset call chain
> >   - some patches Reviewed-by Neil Armstrong
> >
> > Changes from v2:
> >   - fix wrong subject prefixes
> >   - make reset drivers only found on the RPi5 depend on ARCH_BCM283X
> >   - some patches Reviewed-by Peter Robinson
> >
> > Changes from v1:
> >   - fixed inbound window rewrite, which broke RPi4
> >   - series Tested-by Pedro Falcato
> >
> > Andrea della Porta (1):
> >   pci: brcmstb: Fix PCIe bus numbers
> >
> > Torsten Duwe (8):
> >   ARM: bcm283x: Add bcm2712 PCIe memory window
> >   pci: brcmstb: Support different variants using a cfg struct
> >   reset: Add RPi5 brcmstb reset facilities
> >   reset: Add RPi5 rescal reset facilities
> >   pci: brcmstb: Get and use bridge and rescal reset properties
> >   pci: brcmstb: Fix iBAR size calculation
> >   pci: brcmstb: rework iBAR handling
> >   pci: brcmstb: Adapt to AXI bridge
> >
> >  .../mach-bcm283x/include/mach/acpi/bcm2711.h  |   6 +
> >  arch/arm/mach-bcm283x/init.c                  |  10 +-
> >  configs/rpi_arm64_defconfig                   |   2 +
> >  drivers/pci/pcie_brcmstb.c                    | 389 ++++++++++++++++--
> >  drivers/reset/Kconfig                         |  16 +
> >  drivers/reset/Makefile                        |   2 +
> >  drivers/reset/reset-brcmstb-rescal.c          | 103 +++++
> >  drivers/reset/reset-brcmstb.c                 |  97 +++++
> >  8 files changed, 589 insertions(+), 36 deletions(-)
> >  create mode 100644 drivers/reset/reset-brcmstb-rescal.c
> >  create mode 100644 drivers/reset/reset-brcmstb.c
> >
> > --
> > 2.54.0
> >
>
> I see that this series has been applied to -next although I didn't see
> any 'applied' email here.

That was probably me not replying and just marking it as applied in
patchwork. It's in master I believe.

> Do you know how I could try this out, please? I have a GeeekPi N07
> PCIe M.2 M-Key NVMe. What sort of changes might I need to make?

You need another series [1], which currently needs a rebase, and it
should mostly "just work".

[1] https://patchwork.ozlabs.org/project/uboot/list/?series=503410