Hi @Subbu,
I believe you are looking for NXP secure boot process. Unfortunately, we’re still working on that, we currently don’t have any documentation or support. However, I will point out some community threads and NXP documents that you can take a look at:
Documents from NXP:
- https://www.nxp.com/files-static/training/doc/dwf/DWF13_AMF_IND_T0291.pdf
- AN4581 PDF
- AN12263 PDF
- NXP Community post for iMX8M Nano: Steps to enable secure boot in i.MX8M Nano - NXP Community
u-boot documentation:
Toradex Community:
Best Regards,
Hiago.