drivers: amd: Add ASU support

Add support for the AMD Application Security Unit (ASU), the on-chip
Hardware Security Module (HSM) for Versal Gen 2.
The ASU manages all device-level security services

drivers: amd: Add ASU support

Add support for the AMD Application Security Unit (ASU), the on-chip
Hardware Security Module (HSM) for Versal Gen 2.
The ASU manages all device-level security services for user
applications, extending beyond accelerator-centric tasks.
Its firmware also exposes several software-based cryptographic
primitives, including:
- Key transfer
- RSA authentication (multiple padding schemes)
- HMAC
- Key Derivation Function (KDF)
- Key wrap / unwrap

Co-developed-by: Harsh Jain <h.jain@amd.com>
Signed-off-by: Harsh Jain <h.jain@amd.com>
Signed-off-by: Akshay Belsare <akshay.belsare@amd.com>
Acked-by: Jens Wiklander <jens.wiklander@linaro.org>

show more ...

drivers: amd: Add PS GPIO Support

Add PS GPIO Driver support for AMD Platforms.

The PS GPIO Controller is managed through the PS subsystem and
can operate in either the Secure World or the Non-Secu

drivers: amd: Add PS GPIO Support

Add PS GPIO Driver support for AMD Platforms.

The PS GPIO Controller is managed through the PS subsystem and
can operate in either the Secure World or the Non-Secure World.
The driver utilizes the Device Tree Blob (DTB) to determine whether the
PS GPIO Controller should be supported in the Secure World.

Signed-off-by: Akshay Belsare <akshay.belsare@amd.com>
Acked-by: Michal Simek <michal.simek@amd.com>
Acked-by: Jens Wiklander <jens.wiklander@linaro.org>
Acked-by: Etienne Carriere <etienne.carriere@foss.st.com>
Acked-by: Jorge Ramirez-Ortiz <jorge@foundries.io>

show more ...