Hi Andrei,
> On 18 Dec 2024, at 11:11, Andrei Cherechesu (OSS)
> <andrei.cherech...@oss.nxp.com> wrote:
>
> From: Andrei Cherechesu <andrei.cherech...@nxp.com>
>
> Describe the layer which enables SCMI over SMC calls forwarding
> to EL3 FW if issued by the Hardware domain. If the SCMI firmware
> node is not found in the Host DT during initialization, it fails
> silently as it's not mandatory.
>
> The SCMI SMCs trapping at EL2 now lets hwdom perform SCMI ops for
> interacting with system-level resources almost as if it would be
> running natively.
>
> Signed-off-by: Andrei Cherechesu <andrei.cherech...@nxp.com>
Reviewed-by: Bertrand Marquis <bertrand.marq...@arm.com>
Cheers
Bertrand
> ---
> SUPPORT.md | 8 ++++++++
> 1 file changed, 8 insertions(+)
>
> diff --git a/SUPPORT.md b/SUPPORT.md
> index 82239d0294..1f7867bd32 100644
> --- a/SUPPORT.md
> +++ b/SUPPORT.md
> @@ -928,6 +928,14 @@ Add/Remove device tree nodes using a device tree overlay
> binary (.dtbo).
>
> Status: Tech Preview
>
> +### Arm: SCMI over SMC calls forwarding to EL3 Firmware
> +
> +Enable SCMI calls using SMC as doorbell mechanism and Shared Memory for
> +transport ("arm,scmi-smc" compatible only) to reach EL3 Firmware if issued
> +by hwdom. Some platforms use SCMI for access to system-level resources.
> +
> + Status: Supported
> +
> ## Virtual Hardware, QEMU
>
> This section describes supported devices available in HVM mode using a
> --
> 2.45.2
>
>
