Mu'jam Kabir Tabarani 13383 — he said: I heard him say: Whoever

And he narrated that he said: I heard him say: "Whoever performs seven circuits of tawaf around this House, keeping count of them, a good deed will be written for him for every step, a sin will be wiped away from him, and he will be raised a degree, and it will be equal to freeing a slave."