Hi,
Flash IP use the internal startup primitive to get access to CLK Pin, there is no exta loc necessary.
You can use our reference Design, with microblaze and QSPI interface:
- https://shop.trenz-electronic.de/en/Download/?path=Trenz_Electronic/TE0712/Reference_Design/2016.2/test_board
- https://shop.trenz-electronic.de/en/Download/?path=Trenz_Electronic/TE0712/Reference_Design
On second link is a table with links to our wiki description.
br
John