SPRZ530C April 2022 – July 2024 AM68 , AM68A , TDA4AL-Q1 , TDA4VE-Q1 , TDA4VL-Q1
MSMC: FFI reset allows target port to have backdoor access to the L3 data cache as mapped SRAM
A target port on MSMC, after undergoing a FFI reset, can gain backdoor access to the L3 data cache content via the MSMC L3 SRAM memory mapped address for that location.
After completing the FFI reset sequence on the MSMC target port, software should re-write the current L3 cache size setting to the MSMC MMR - CACHE_CTRL.CACHE_SIZE field to prevent the HW from allowing backdoor accesses to the L3 data cache content.