u-boot/drivers/firmware/scmi/Kconfig
Etienne Carriere 240720e905 firmware: scmi: mailbox/smt agent device
This change implements a mailbox transport using SMT format for SCMI
exchanges. This implementation follows the Linux kernel and
SCP-firmware [1] as references implementation for SCMI message
processing using SMT format for communication channel meta-data.

Use of mailboxes in SCMI FDT bindings are defined in the Linux kernel
DT bindings since v4.17.

Links: [1] https://github.com/ARM-software/SCP-firmware
Signed-off-by: Etienne Carriere <etienne.carriere@linaro.org>
Cc: Simon Glass <sjg@chromium.org>
Cc: Peng Fan <peng.fan@nxp.com>
Cc: Sudeep Holla <sudeep.holla@arm.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
2020-09-30 11:55:23 -04:00

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config SCMI_FIRMWARE
bool "Enable SCMI support"
select FIRMWARE
select OF_TRANSLATE
depends on SANDBOX || DM_MAILBOX
help
System Control and Management Interface (SCMI) is a communication
protocol that defines standard interfaces for power, performance
and system management. The SCMI specification is available at
https://developer.arm.com/architectures/system-architectures/software-standards/scmi
An SCMI agent communicates with a related SCMI server firmware
located in another sub-system, as a companion micro controller
or a companion host in the CPU system.
Communications between agent (client) and the SCMI server are
based on message exchange. Messages can be exchange over tranport
channels as a mailbox device with some piece of identified shared
memory.