[edk2-devel] [PATCH edk2-platforms v2 0/2] enable Secure96 mezzanine on ACPI systems

[Leif Lindholm]

On Thu, May 02, 2019 at 11:58:52AM +0200, Ard Biesheuvel wrote:
> This series plumbs in the support for describing 96boards mezzanines
> via ACPI, and uses it to add a description of the Secure96. Note that
> the TPM is still missing at the moment, but the I2C crypto accelerators
> and the GPIO LEDs are covered.
> 
> Changes since v1:
> - Don't rely on a ACPI device in the host platform's namespace to describe
>   the GPIO lines - this prevents the mezzanine from using GPIOs as interrupts,
>   and is generally far too restrictive. Since we need a hack (see below) for
>   I2C anyway, just use the same method for the GPIO controller.
> - I2C resources are described with a reference to the I2C controller via a
>   string argument, which cannot be parameterized using PCDs like we do with
>   GPIO interrupt numbers. (This is due to the fact that string PCDs are not
>   expanded to true string literals by EDK2's AutoGen.h CPP magic). So add the
>   default names (e.g., \_SB.I2C0) to Secure96.h, and permit a platform to
>   override them if necessary by setting a scoped build option with a -D
>   argument.
> 
> Ard Biesheuvel (2):
>   Platform/96Boards: add ACPI support to mezzanine/LS connector driver
>   Platform/Secure96Dxe: add ACPI description of the LEDs and I2C
>     peripherals

For the series:
Reviewed-by: Leif Lindholm <leif.lindholm at linaro.org>

>  Platform/96Boards/Include/Protocol/Mezzanine.h      |  21 ++++
>  Platform/96Boards/LsConnectorDxe/LsConnectorDxe.c   |  35 ++++--
>  Platform/96Boards/LsConnectorDxe/LsConnectorDxe.inf |   1 +
>  Platform/96Boards/Secure96Dxe/Secure96.asl          | 116 ++++++++++++++++++++
>  Platform/96Boards/Secure96Dxe/Secure96.h            |   8 ++
>  Platform/96Boards/Secure96Dxe/Secure96Dxe.c         |  59 +++++++++-
>  Platform/96Boards/Secure96Dxe/Secure96Dxe.inf       |   1 +
>  7 files changed, 225 insertions(+), 16 deletions(-)
>  create mode 100644 Platform/96Boards/Secure96Dxe/Secure96.asl
> 
> -- 
> 2.20.1
> 

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