In a largeibowl, combine flour, sugars, baking powder, baking soda, cinnamon and salt.
In a separate bowl, combine buttermilk, butter and eggs; add to dry ingredients and mix until well blended.
Fold in berries.
Pour into a greased 13-in.x 9 in.x 2-in.baking pan.
Combine topping ingredients; sprinkle over batter.
Cover and refrigerate several hours or overnight.
Uncover and bake at 350° for 45-50 minutes or until cake tests done.