We are using i.MX8 DXL processor and we have a requirement of enabling internal RTC which has to have access from both M4 and A35 core simultaneously. Let us know how we can achieve this.
IMX8DXL is still under pre-production, couldn't share more detailed information about this, but RTC should controlled by the SCFW, you can refer to the document and source code of SCFW
"https://community.nxp.com/t5/i-MX-Processors/i-MX8-SRTC-API-access-from-M4/m-p/1405915"