How to use Cortex-M4 in i.max8

[wenfu]

We need to use the M4 core to hander some SPI peripheral. The question are:

1,How to setup de firmware development for M4 core?

2,How M4 communicate with A53 linux?

...

I'm a newbie on this, thank you for any helpfull message.

[igorpadykov]

Hi Wen

one can look at RPMsg Chapter in Linux Manual and

sect.2.8.5 Running i.MX RPMsg Test Programs in

Linux 5.4.3_1.0.0 Documentation

For M4 please use MCUXpresso SDK, build it on

Welcome | MCUXpresso SDK Builder 

rpmsg\test - imx-test - i.MX Driver Test Application Software 

Best regards
igor
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