Too much/little : 
Is used to say something is more than enough / less than necessary.

⇒Form :
Too much/many/little + noun

Examples :
There is too much salt.
There is too little cheese.

Enough :

⇒Form :
Enough + noun

1. Positive : Is used to say something is sufficient.
There is enough tomato sauce in the spaghetti bolognese.

2. Negative : Is used to mean less than sufficient.
There is not enough cheese.
I don’t have enough time