[edk2-devel] [PATCH v3 0/4] RPi: SD/WiFi ACPI updates
Ard Biesheuvel
ardb at kernel.org
Wed Feb 17 06:56:56 UTC 2021
On Wed, 17 Feb 2021 at 07:18, jlinton <lintonrjeremy at gmail.com> wrote:
>
> From: Jeremy Linton <jeremy.linton at arm.com>
>
> The existing RPi3 ACPI entries for the Arasan
> and SDHCI controllers need updating to work
> with the RPi4. This is done by adding a caps
> override for the legacy Arasan controller and
> then adding an entirely new entry for the newer
> eMMC2 controller.
>
> Then we flip the default routing to make the eMMC2
> the default for the SD card, so that the WiFi can
> start working on the Arasan.
>
> Additional we add a menu item to enable the SDMA/ADMA2
> modes on the controller.
>
> v2->v3: Various small review tweaks, whitespace, wording
> spelling, etc.
>
What happened to the IORT change? Don't we need that to ensure that
Linux sizes ZONE_DMA appropriately?
> v1->v2: Add option for user to enable/disable eMMC DMA
> Only enable the emmc2 table on rpi4 &
> !Arasan routing
> Move emmc2 into its own SSDT and drop
> second _DMA entry
>
> Jeremy Linton (4):
> Platform/RaspberryPi: Add Negative table check
> Platform/RaspberryPi/Acpitables: Add eMMC2 device and tweak Arasan
> Platform/RaspberryPi: User control of eMMC2 DMA
> Platform/RaspberryPi: Invert default Arasan, eMMC2 routing
>
> Platform/RaspberryPi/AcpiTables/AcpiTables.inf | 1 +
> Platform/RaspberryPi/AcpiTables/Emmc.asl | 129 +++++++++++++++++++++
> Platform/RaspberryPi/AcpiTables/Sdhc.asl | 18 ++-
> Platform/RaspberryPi/Drivers/ConfigDxe/ConfigDxe.c | 26 +++++
> .../RaspberryPi/Drivers/ConfigDxe/ConfigDxe.inf | 1 +
> .../RaspberryPi/Drivers/ConfigDxe/ConfigDxeHii.uni | 4 +
> .../RaspberryPi/Drivers/ConfigDxe/ConfigDxeHii.vfr | 17 +++
> Platform/RaspberryPi/Include/ConfigVars.h | 8 ++
> Platform/RaspberryPi/RPi3/RPi3.dsc | 1 +
> Platform/RaspberryPi/RPi4/RPi4.dsc | 3 +-
> Platform/RaspberryPi/RPi4/Readme.md | 2 +-
> Platform/RaspberryPi/RaspberryPi.dec | 1 +
> 12 files changed, 206 insertions(+), 5 deletions(-)
> create mode 100644 Platform/RaspberryPi/AcpiTables/Emmc.asl
>
> --
> 2.13.7
>
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