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TDA4VM: Questions about security boot OPT eFuse

Part Number: TDA4VM

Hi,TI Expert

HS-FS to HS-ES is done by keywriiter burnning eFuse OTP memory in OEM factory,

but this will introduce new assemble station

So,

Question_1:

is it possible that keywritter program and SBL program merged together? and once key witter burn eFuse OTP success,then it will never run and only SBL run.

So,

Question_2:

Is there any way to know that one chip is GP or HS-FS or HS-ES in soruce code by reading something and how to?