crypto: ccp - add TEE support for Raven Ridge

Adds a PCI device entry for Raven Ridge. Raven Ridge is an APU with a
dedicated AMD Secure Processor having Trusted Execution Environment (TEE)
support. The TEE provides a secure environment for running Trusted
Applications (TAs) which implement security-sensitive parts of a feature.

This patch configures AMD Secure Processor's TEE interface by initializing
a ring buffer (shared memory between Rich OS and Trusted OS) which can hold
multiple command buffer entries. The TEE interface is facilitated by a set
of CPU to PSP mailbox registers.

The next patch will address how commands are submitted to the ring buffer.

Cc: Jens Wiklander <[email protected]>
Cc: Tom Lendacky <[email protected]>
Cc: Ard Biesheuvel <[email protected]>
Co-developed-by: Devaraj Rangasamy <[email protected]>
Signed-off-by: Devaraj Rangasamy <[email protected]>
Signed-off-by: Rijo Thomas <[email protected]>
Acked-by: Gary R Hook <[email protected]>
Signed-off-by: Herbert Xu <[email protected]>

0 files changed, 0 insertions, 0 deletions