eenurkka opened a new pull request, #15084:
URL: https://github.com/apache/nuttx/pull/15084

   L2 needs to be zeroed to make the ECC happy. However, if there's more than 
one bootloader in the chain, the cache doesn't need to be wiped every time. One 
time is enough. Thus, make this optional so that it's initialized only when 
really needed.
   
   ## Summary
   
   L2 is well cleaned at the start. However, chaining NuttX OSs will cause the 
L2 being wiped too many times. Only one time is needed, so provide a compile 
flag that may be used to coordinate this effort.
   
   ## Impact
   
   This concerns MPFS related bootloaders. However, by default, it's set on so 
no changes to existing systems unless manually turned off in the defconfig.
   
   ## Testing
   
   mpfs/Polarfire derived product
   
   
   


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