[edk2-devel] [PATCH v2 0/4] RPi: SD/Wifi Acpi updates

[Ard Biesheuvel]

On Mon, 1 Feb 2021 at 23:53, Jeremy Linton <jeremy.linton at arm.com> wrote:
>
> The existing RPi3 acpi entries for the Arasan
> and sdhci controllers needs 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.
>
> 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
>

Hi Jeremy,

I don't see v2 2/4 in my mailbox or in the ML archive. Can you resend please?

Also, what is the status of this work on the Linux side?


>  Platform/RaspberryPi/AcpiTables/AcpiTables.inf     |   1 +
>  Platform/RaspberryPi/AcpiTables/Emmc.asl           | 130 +++++++++++++++++++++
>  Platform/RaspberryPi/AcpiTables/Sdhc.asl           |  18 ++-
>  Platform/RaspberryPi/Drivers/ConfigDxe/ConfigDxe.c |  26 +++++
>  .../RaspberryPi/Drivers/ConfigDxe/ConfigDxe.inf    |   1 +
>  .../RaspberryPi/Drivers/ConfigDxe/ConfigDxeHii.uni |   5 +
>  .../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, 208 insertions(+), 5 deletions(-)
>  create mode 100644 Platform/RaspberryPi/AcpiTables/Emmc.asl
>
> --
> 2.13.7
>


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