The device you are referring to is quite different. I am taking this is the board you are using? https://www.arrow.com/en/reference-designs/imx6slevk-imx-6solo

The device you are referring to is quite different. I am taking this is the board you are using? https://www.arrow.com/en/reference-designs/imx6slevk-imx-6sololite-evaluation-kit-based-on-imx-6sololite-applications-processor/cbce9d413872d15fe5417bc807cb583b https://www.arrow.com/en/reference-designs/imx6slevk-imx-6so... It was an ARM Cortex-a9 with NEON extension instead of ARM Cortex-M7. It is basically a different family of i MX processors.