Message unit in iMX7

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Message unit in iMX7

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suryapradhan
Contributor II

Hello,

I am using iMX7D based board & my objective is to communicate between its two processors (Cortex-A7 &  Cortex-M4).

From technical data sheet of iMX7D i got to know that Message Unit(MU) normally does this work.

Is there any default driver for Message Unit [MU] or reference document for communication between two cores.

Thanks & regards

Surya

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igorpadykov
NXP Employee
NXP Employee

Hi Surya

please look at Chapter 51 Remote Processor Messaging (RPMsg)

attached Linux Manual.

Best regards
igor
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suryapradhan
Contributor II

Hello igor,

Thanks for the reply.

Can you please tell me where can i get  rpmsg_str_echo_sdk_7dsdb.bin ,rpmsg_str_echo_sdk_7dsdb.bin  image files.

Thanks & regards

Surya

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igorpadykov
NXP Employee
NXP Employee

Hi Surya

 

seems it is necessary to generate them by building image, use guidelines in

attached Linux Manual.

 

Best regards
igor

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