canbus develop for i.MX8QXPC0 on A35 core.

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canbus develop for i.MX8QXPC0 on A35 core.

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jackey267
Contributor I

hi there : 

1 how to run /power up can bus for A35 of I.MX8QXPC0 ? 

2 M4 core is not use in current issure. 

3 please give us some documents /guidelines/tips. thanks: 

4 version: Embed linux kernel 5.10.9.1.0.0.

5  build project :yocto project. bitbake imx-image-full.

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igorpadykov
NXP TechSupport
NXP TechSupport

Hi Jack

 

for using flexcan on A35 it is necessary to use dts file without *rpmsg*:

&flexcan1 {
..
status = "okay"

https://source.codeaurora.org/external/imx/linux-imx/tree/arch/arm64/boot/dts/freescale/imx8x-mek.dt...

If M4 is used, M4 flexcan resources has to be unassigned from M4 partition (board.c of SCFW), example

https://community.nxp.com/t5/i-MX-Processors-Knowledge-Base/System-Controller-Firmware-101-Resource-...

 

Best regards
igor

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jackey267
Contributor I

what did you mean with out "rpmsg"?

1  did you mean exclude all the dts dtsi named with  fields "rpmsg" ?

thanks 

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igorpadykov
NXP TechSupport
NXP TechSupport

>what did you mean with out "rpmsg"?

 

example with rpmsg :  "imx8qxp-mek-dsi-rm67191-rpmsg.dts"

https://source.codeaurora.org/external/imx/linux-imx/tree/arch/arm64/boot/dts/freescale/imx8qxp-mek-...

 

Best regards
igor

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