tree 23f7c32197d5819afb54bfb929267017f6c079ed
parent ca8ea37a32ac8e1b0b38bece98b4bd75f6698393
author Marek Vasut <marex@denx.de> 1437239886 +0200
committer Marek Vasut <marex@denx.de> 1439036062 +0200

ddr: altera: Clean up rw_mgr_mem_calibrate_vfifo_center() part 5

Factor out the get_window_mid_index() for finding the best DQ
window centering. This is again code common to two stages, so
pull it out.

Signed-off-by: Marek Vasut <marex@denx.de>