[U-Boot] Non standard CFI detection tweaks

[Reinhard Meyer (-VC)]

Rogan Dawes schrieb:
> Unfortunately, but understandably, it makes no difference whatsoever to 
> the behaviour of the flash chip. I can still put it into QRY mode, where 
> I get the doubled QQRRYY response, but the flash is not detected any 
> better than it was previously.

Might it be that the design connects the flash A(-1) not to A(0) of the CPU?
Or might it be that the flash is actually connected 16-bit wide, but you
programmed the bus interface to be 8-bit wide?
Both variants would lead to such a doubled answer.

Reinhard