+Jared to review/test the series with NetBSD 10, which supports the DEN0115 interface (https://www.netbsd.org/changes/changes-10.0.html#port-evbarm)
> -----Original Message-----
> From: Jeremy Linton <jeremy.linton@arm.com>
> Sent: Friday, August 20, 2021 12:16 AM
> To: devel@edk2.groups.io
> Cc: pete@akeo.ie; ardb+tianocore@kernel.org; Andrei Warkentin
> (awarkentin@vmware.com) <awarkentin@vmware.com>; Sunny Wang
> <Sunny.Wang@arm.com>; Samer El-Haj-Mahmoud <Samer.El-Haj-
> Mahmoud@arm.com>; Jeremy Linton <Jeremy.Linton@arm.com>
> Subject: [PATCH v3 0/7] RPi4: Enable ACPI PCIe conduit
>
> A new Arm standard DEN0115A specifies how platforms that don't have
> standard ECAM can use the firmware to handle config read/write
> operations. This is mostly implemented in TFA but UEFI needs to assure
> that there is a description of the root complex in the ACPI namespace.
>
> This set adds that description based on a new menu item which toggles
> between XHCI platform description and PCIe via a BDS menu selection on
> the RPi4. The CM4 is really the platform that needs this as it has a
> PCIe slot. On that platform PCIe is enabled by default.
>
> v2->v3:
> Remove ACPI0004 container around PCI root bridge along with some
> whitespace/tweaks to the Pci.asl file.
> Add Linux quirk _DSD patch at the end.
>
> v1->v2:
> Use global shared interrupts in PCI PRT which is a pretty
> significant simplification.
> Modify bus max to use the secondary side of the root port for
> enforcing device limits
> Various other AML cleanups per Ard (drop redundant _DMA, bump UID
> to make it unique, etc)
> Break link status move into its own patch
> MADT->MCFG typos in various comments
> Commit message tweaking
>
> Jeremy Linton (7):
> Platform/RaspberryPi: Add XHCI/PCI selection menu
> Platform/RaspberryPi: Break XHCI into its own SSDT
> Platform/RaspberryPi: Add PCIe SSDT
> Silicon/Broadcom/Bcm27xx: Relax PCIe device restriction
> Silicon/Broadcom/Bcm27xx: Move linkup check into the cfg accessor
> Platform/RaspberryPi: Enable NVMe boot on CM4
> Platform/RaspberryPi: Add Linux quirk support
>
> Platform/RaspberryPi/AcpiTables/AcpiTables.inf | 4 +
> Platform/RaspberryPi/AcpiTables/Dsdt.asl | 3 -
> Platform/RaspberryPi/AcpiTables/Pci.asl | 168
> +++++++++++++++++++++
> Platform/RaspberryPi/AcpiTables/Xhci.asl | 35 +++--
> Platform/RaspberryPi/Drivers/ConfigDxe/ConfigDxe.c | 56 +++++++
> .../RaspberryPi/Drivers/ConfigDxe/ConfigDxe.inf | 1 +
> .../RaspberryPi/Drivers/ConfigDxe/ConfigDxeHii.uni | 5 +
> .../RaspberryPi/Drivers/ConfigDxe/ConfigDxeHii.vfr | 17 +++
> Platform/RaspberryPi/Include/ConfigVars.h | 4 +
> Platform/RaspberryPi/RPi3/RPi3.dsc | 6 +
> Platform/RaspberryPi/RPi4/RPi4.dsc | 13 ++
> Platform/RaspberryPi/RPi4/RPi4.fdf | 5 +
> Platform/RaspberryPi/RaspberryPi.dec | 1 +
> .../Bcm2711PciHostBridgeLibConstructor.c | 5 -
> .../Library/Bcm2711PciSegmentLib/PciSegmentLib.c | 28 +++-
> 15 files changed, 323 insertions(+), 28 deletions(-)
> create mode 100644 Platform/RaspberryPi/AcpiTables/Pci.asl
>
> --
> 2.13.7
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