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RPMSG-specific DTS

Question asked by Thierry Durand on Jun 17, 2020
Latest reply on Jun 17, 2020 by igorpadykov

Dear all,

Running the RPMSG demos from the SDK requires a specific Linux device tree. If I get it correctly, the differences are as follow:

  • the INTMUX of both M4 cores are disabled
  • the RPMSG shared memory doubles in size from 64KB to 128KB for each core
  • two remote virtual devices per M4 core

The demos run fine with those settings. However, I'd like to better understand why those changes are required. Would somebody please elaborate?


Thank you.


Best regards,