i.MX ProcessorsのトピックRe: I.MX93 AMBA Documentation

I.MX93 AMBA Documentation

dpolic — Thu, 31 Oct 2024 18:36:42 GMT

We are looking at not using Linux and developing a bare metal/RTOS application on the Cortex A55 cores of the i.MX93.
I would like to know the details of the Advanced Microcontroller Bus that interconnects the i.MX93 cores and the peripherals. (There does not seem to be any mention of the AMBA in the "i.MX 93 Applications Processor Reference Manual".)
Do all (M and A) cores have access to all peripherals?
How is the ABM arbitration configured?

Re: I.MX93 AMBA Documentation

Bio_TICFSL — Fri, 01 Nov 2024 13:52:22 GMT

Hello,

For i,mx93 it Manages all transactions that use the Arm AMBA 5 AXI interfaces for more information please check it:

https://developer.arm.com/Tools%20and%20Software/Arm%20Virtual%20Hardware

Regards

Re: I.MX93 AMBA Documentation

dpolic — Fri, 01 Nov 2024 14:22:18 GMT

Unfortunately, the link that you have provided does not answer my question.
Is there a software reference manual for the iMX9352 that complements the hardware reference manual?

Re: I.MX93 AMBA Documentation

Bio_TICFSL — Fri, 01 Nov 2024 15:54:03 GMT

Hi, No is not in reference manual since its ARM architecture I send you the link, but we do not have anything about it.

Regards

Re: I.MX93 AMBA Documentation

dpolic — Fri, 01 Nov 2024 20:05:51 GMT

Is it correct to say that the AXI bus interactions are transparent to the software. Any memory mapped addressed peripheral data transfer does not require special "data bus access request - grant - and transfer state of the AXI bus"?

Re: I.MX93 AMBA Documentation

dpolic — Fri, 08 Nov 2024 14:32:22 GMT

I have not got a reply to this question:

Is it correct to say that the AXI bus interactions are transparent to the software. Any memory mapped addressed peripheral data transfer does not require special "data bus access request - grant - and transfer state of the AXI bus"?

Re: I.MX93 AMBA Documentation

Bio_TICFSL — Mon, 11 Nov 2024 14:18:05 GMT

Correct!