| Message ID | 20240930114715.642978-8-andrei.cherechesu@oss.nxp.com (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | xen/arm: Add support for S32CC platforms and LINFlexD UART | expand |
Hi, On 30/09/2024 12:47, Andrei Cherechesu (OSS) wrote: > From: Andrei Cherechesu <andrei.cherechesu@nxp.com> > > Describe the layer which enables SCMI over SMC calls forwarding > to EL3 FW if issued by Dom0. s/Dom0/Hardware domain/ and everywhere else below. > If the SCMI firmware node is not > found in Dom0's DT during initialization, it fails silently > as it's not mandatory. You are looking for the node in the host's DT. > > The SCMI SMCs trapping at EL2 now lets Dom0 perform SCMI ops for > interacting with system-level resources almost as if it would be > running natively. > > Signed-off-by: Andrei Cherechesu <andrei.cherechesu@nxp.com> > --- > SUPPORT.md | 8 ++++++++ > 1 file changed, 8 insertions(+) > > diff --git a/SUPPORT.md b/SUPPORT.md > index 23dd7e6424..d8ffddfc44 100644 > --- a/SUPPORT.md > +++ b/SUPPORT.md > @@ -927,6 +927,14 @@ 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 Dom0. Some platforms use SCMI for access to system-level resources. > + > + Status: Supported Bertrand, can you confirm this should be ok to support it (includingn security support)? Cheers,
diff --git a/SUPPORT.md b/SUPPORT.md index 23dd7e6424..d8ffddfc44 100644 --- a/SUPPORT.md +++ b/SUPPORT.md @@ -927,6 +927,14 @@ 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 Dom0. 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