413c77cf4e
Introduce core support for ARM's SCMI (System Control and Management Interface). This includes: * shared memory (SHMEM) driver. This consists of a suite of functions used to interact with the shared memory area. * shared memory and doorbell-based transport layer driver. Data is passed between platform and agent via shared memory. Signaling is done using polling (PRE_KERNEL) and doorbells (POST_KERNEL). This makes use of Zephyr MBOX API (for signaling purposes) and the SHMEM driver (for polling and data transfer). * core driver - acts as glue between transport and protocol layers. Provides synchronized access to transport layer channels and channel assignment/initialization. * infrastructure for creating SCMI protocols This is based on ARM's SCMI Platform Design Document: DEN0056E. Signed-off-by: Laurentiu Mihalcea <laurentiu.mihalcea@nxp.com> |
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| common | ||