topic remotoproc driver in i.MX Processors

remotoproc driver

utopia61 — Tue, 30 Nov 2021 07:36:16 GMT

Hello all!

I'm suing IMX8MPlus, the linux kernel is 5.4, now i wan to use the remoteproc driver to boot M7 from linux,What should I do?

I tried to modify the device tree, but encountered some problems:

root@verdin-imx8mp-06965600:~# dmesg | grep rproc
[ 1.682743] remoteproc remoteproc0: releasing imx-rproc
[ 2.458897] remoteproc remoteproc0: releasing imx-rproc
[ 2.464181] imx-rproc: probe of imx8mp-cm7 failed with error -16

Re: remotoproc driver

igorpadykov — Tue, 30 Nov 2021 08:33:13 GMT

remoteproc is general linux utility, usage can be found for example on

https://variwiki.com/index.php?title=MCUXpresso#Running_a_demo_from_Linux

Best regards
igor

Re: remotoproc driver

utopia61 — Tue, 30 Nov 2021 08:41:59 GMT

HI!

THe question now is imx-rproc driver can not load? How do I modify device tree and imx-rproc driver?

Thanks!

Best regards

Re: remotoproc driver

timbrugman — Tue, 14 Dec 2021 10:02:48 GMT

Did you perhaps enable 'rpmsg' in device-tree? You can try without it.

&rpmsg{
status = "disabled";
};

Re: remotoproc driver

utopia61 — Tue, 14 Dec 2021 10:13:41 GMT

Thank you. I tried