[mng2]

The first thing to note is that while HDL coding may look like programming, it is not (mostly). HDLs are for describing hardware, and it takes some time for this to sink in. There are two sides to the coin: understanding digital design in the abstract, and understanding HDL design patterns to define the desired logic circuits.

If you don't have any digital design experience, an oft-recommended course is nand2tetris.

I should say though, that that is the bottom-up approach. It is possible these days to string together a bunch of IPs and not write any HDL, depending on what you want to do. But you will probably be stuck if anything at all goes awry, so I don't recommend the top-down approach.