Ginnivan has been managed for several weeks and did not play a fortnight ago in their Perth win over West Coast.
But ahead of Tuesday training, coach Sam Mitchell was confident he would return against the Dockers.
"(The week off was) really beneficial, we'll see how he goes at training - I suspect he will be available," Mitchell said.
"He's a pro, he really goes about it in a very professional way these days and I'm sure he will be fine."
Conor Nash is out for the rest of the season because of a neck injury, otherwise the Hawks will take a healthy list into September.
"We have a pretty fit playing list, so the medical and strength and conditioning staff have done a great job to give us great availability at this time of year, which is what we need to get it done," Mitchell said.
A big part of Fremantle's minor premiership was being unbeaten at home, and the Hawks will start underdogs.
The Dockers used their Wharfie Time rally to fire up the crowd in round nine, when they roared back in the last quarter to beat the Hawks.
But an away final holds no fears for Hawthorn, having won two last season.
"I'm glad we're playing there. If you're going to play your first final in Perth, it's good we've been there a couple of times this year and we've experienced a game against Freo," Mitchell said.
"We're about as well prepared as you can be to play in what's going to be a pretty hostile environment, against what's been the best team in the competition."
Mitchell noted Hawthorn's only win so far at Engie Stadium was the elimination final last year against GWS.
"Going into last year, we hadn't won in GWS at all. So to go in there it was something different," he said.
"Our record against Freo hasn't been great, so we're going to have to play some really good footy.
"We know our best will get it done."
Also on Tuesday, Hawthorn announced this year's mid-season draftee Max Beattie had signed for another season.
Thursday night will be his third AFL match.
"He's been great, hasn't he? You bring these guys in, in the mid-season, it is an unknown," Mitchell said.
"He's not flustered, he doesn't seem to mind what's happening around him. It doesn't matter the stage, he's just handled everything like a pro."
Mitchell said the Hawks had prepared for Wharfie Time and added they were not overly concerned about it.
"I might open the door to the box so I can feel a bit more a part of the atmosphere. It's quite soundproof," Mitchell said.
"I didn't notice it as much as I should have last time."
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