Bring up cortex-m4 core

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Bring up cortex-m4 core

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deexithamba
Contributor III

Hello,

I am working on i.MX8M EVK and was trying to bring up cortex-m4 core from the u-boot level. I didn't find any relevant documents for this!! Can you please share me the detailed steps to bring up cortex-m4 core and run some applications on top of it????

BSP: Linux 4.9.55

Regards,
Deexith

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naman
Contributor I

Hi Joanxie,

 

I am using imx8M mini EVK and trying to bring up the M4 core from u-boot level. I have carefully followed the steps mentioned in the document "Getting Started with MCUXpresso SDK i.MX 8M Devices". I have tried the bootaux command for DDR, TCM and flash, but no success. I tried to run the hello_world.bin from the demo_apps folder, as well as run the gpio sample from the folder path driver_examples\gpio\led_output. Neither am I getting anything on M4 console, nor getting any transition on GPIO pin. Could you please suggest what might be going wrong here?

 

Regards,

Naman

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joanxie
NXP TechSupport
NXP TechSupport

you can download the sdk for imx8M, then refer to the document "Getting Started with MCUXpresso SDK i.MX 8M Devices", focus on the chapter 6 "6 Running an application by U-Boot"

https://mcuxpresso.nxp.com/en/select 

choose imx8M board and find SDK_2.5.0_EVK-MIMX8MQ

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