i want to add my primary psn to my origin account but i cant find a way to do so because i had a secondary account linked and i didnt want to make another one...
So it should automatically link your PSN ID when you are logging in to any online feature of EA game on your console. All you need is to give details of your EA account ( probably same as one given on Origin ) and it should be good. In case your PSN account is already linked with other EA account, here is article which might be helpful:
Hope that helps.