In Abraham 1:5 we read that Abraham preached against his fathers idolatry:
My fathers, having turned from their righteousness, and from the holy commandments which the Lord their God had given unto them, unto the worshiping of the gods of the heathen, utterly refused to hearken to my voice;
Jeff Lindsay notes how this is consistent with other ancient texts including:
Where was Joseph Smith getting this information from?
See: