The Magpies sold the England international to Liverpool in January 2011 for £35 million, after the Newcastle board felt the offer was too good to refuse.
|Pardew hoping to avoid second season slump
However, despite a promising end to last season, Carroll has failed to live up to expectations in large and Anfield boss Brendan Rodgers has admitted he may consider loaning the striker out to gain experience.
"There is a lot of talk about players when new managers go in and their situations get all cloudy," Pardew told Sky Sports News.
"I don't think that's completely resolved, one way or the other. I wouldn't really like to comment.
"He did an absolutely terrific job here. I have always supported him while he has been at Liverpool when other people weren't. I thought he got a bit of a raw deal, if I'm honest.
"I think he's going to be a great player, but where he treads the boards, so to speak, we will have to wait and see."
|CARROLL ON THE MOVE?
|9/4||Andy Carroll is 9/4 with William Hill to not be a Liverpool player on the first day of the season|
"The situation with Demba has been the same since he arrived at the football club," said Pardew.
"He has a contract to Newcastle United, he is loved here and he had a brilliant, especially the first half of last season.
"After the African Nations, I think it didn't go perhaps as well for Demba as it could have. That's something we'll look at because we want him to be at his very, very best.
"We're planning for him to have another great season for us."