SK-AM64B: Using SA2UL and PKA APIs on A53 with MCU+ SDK AM64x 11.00.00.15

Hello,

The SA2UL support for A53 core is not there in the MCU+ SDK. Instead, the support is provided by the Linux Kernel from Processor SDK.

https://software-dl.ti.com/processor-sdk-linux/esd/AM64X/11_00_09_04/exports/docs/linux/Foundational_Components/Kernel/Kernel_Drivers/Crypto/SA2UL_OMAP.html

Regards,

Prashant

Prashant:

 To be more complete, would it also be correct in saying that SA2UL support is not available for those wanting to use FreeRTOS on the A53 cores?

Thanks

Jim

Hello,

That is correct. The FreeRTOS support comes from the MCU+ SDK which doesn't have SA2UL support for the A53 core. If required, the drivers and the examples can be ported for A53 core but it would be the customer's own efforts.

Regards,

Prashant

Hi Prashant

I am working on a project using the SK-AM64B board and would like to use the SA2UL and PKA hardware accelerators from the A53 core running FreeRTOS.

I understand that the MCU+ SDK currently provides SA2UL and PKA drivers primarily for the R5F core,
and that there is no official support for these APIs on the A53 core. However,
I would like to port these drivers to the A53 core under FreeRTOS.

Could you please provide the recommended steps or guidance for porting the SA2UL and PKA drivers to the A53 core?
Specifically, I would like to understand:

Which parts of the driver or HAL need to be modified for A53?
Are there any known architectural differences (e.g., interrupt handling, memory access, peripheral initialization) that I should be aware of?
Any tips or best practices for integrating these drivers into an A53 FreeRTOS project?
Any documentation, references, or advice would be greatly appreciated.

Regards,
Yukinobu

Hello,

The driver itself shouldn't require any modifications for the different cores. It's just that you would have to add the build support for A53 core. For reference, you may have a look at the A53 SAxUL support for AM62 devices:

github.com/.../security