How to pass the environment variables set in u-boot to a driver?

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On the i.MX8MP platform, with Linux 6.1, after setting environment variables using setenv in u-boot, how to pass these parameters to a driver?

1 Solution

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I hope you are doing well.

Could you please elaborate more about the use case?

Are you referring to U-boot drivers or Kernel Drivers?

One can edit bootargs env to edit kernel cmdline.

=> setenv bootargs ' ${jh_clk} ${mcore_clk} console=${console} root=${mmcroot} <module_name>.<parameter_name>=value '

It will automatically pass kernel parameters to the driver.

Thanks & Regards,
Dhruvit Vasavada

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2 Replies

1,567 Views

I hope you are doing well.

Could you please elaborate more about the use case?

Are you referring to U-boot drivers or Kernel Drivers?

One can edit bootargs env to edit kernel cmdline.

=> setenv bootargs ' ${jh_clk} ${mcore_clk} console=${console} root=${mmcroot} <module_name>.<parameter_name>=value '

It will automatically pass kernel parameters to the driver.

Thanks & Regards,
Dhruvit Vasavada

1,538 Views

You're welcome, the issue has been resolved.