AM623: About A nuclear control M nuclear instruction is not in effect

Hello Bu,

The Linux remoteproc driver uses graceful shutdown. Basically, it only shuts down a remote core after the remote core sends an ACK that the remote core is in a safe state to shut down. However, that does require that the remote core includes code to handle and respond to a shutdown request.

For more information, please refer to the AM62x Academy:
Multicore > Booting and Disabling Processor Cores > Graceful shutdown
https://dev.ti.com/tirex/explore/node?node=A__AXsPVjrUN0EAU1ezb.8iuQ__AM62-ACADEMY__uiYMDcq__LATEST

Regards,

Nick

May I ask which part of the code should be included in the M core to achieve remote power on/off? Currently, I have a need for the m core to initialize and configure and then restart. How can this be achieved? I want to know the two methods of restarting it through linux and which commands it can run to restart it by itself

Hello Bu,

If you are asking about the MCU+ code to enable graceful shutdown, please refer to the link in my previous response, section "MCU+ code to enable graceful shutdown"

AM62x Academy:
Multicore > Booting and Disabling Processor Cores > Graceful shutdown
https://dev.ti.com/tirex/explore/node?node=A__AXsPVjrUN0EAU1ezb.8iuQ__AM62-ACADEMY__uiYMDcq__LATEST

One option is you could program the M4 to send Linux an RPMsg if it needs Linux to restart the M4 and potentially load new firmware into the M4F.

Regards,

Nick