[edk2-devel] [PATCH v2 0/6] RPi4: Enable ACPI PCIe conduit
Ard Biesheuvel
ardb at kernel.org
Tue Aug 17 15:09:32 UTC 2021
On Tue, 10 Aug 2021 at 05:36, Jeremy Linton <jeremy.linton at arm.com> wrote:
>
> 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.
>
> 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)
I still see a _DMA method on the PCIE node, and the UID you chose is
already used elsewhere.
> Break link status move into its own patch
> MADT->MCFG typos in various comments
> Commit message tweaking
>
> Jeremy Linton (6):
> 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/AcpiTables/AcpiTables.inf | 4 +
> Platform/RaspberryPi/AcpiTables/Dsdt.asl | 3 -
> Platform/RaspberryPi/AcpiTables/Pci.asl | 209 +++++++++++++++++++++
> 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, 364 insertions(+), 28 deletions(-)
> create mode 100644 Platform/RaspberryPi/AcpiTables/Pci.asl
>
> --
> 2.13.7
>
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