How to map nand chip ?

[Carlos Munoz]

Ricard Wanderlof wrote:
> Another thing that can cause this is if the ready/busy-pin is not read 
> properly by the chip driver. Again, the chip will probably respond quickly 
> to an id request, but when reading or writing the memory array, the access 
> times will be longer causing failure.
>
>   

That was the problem. The ready/busy pin was not working. Somehow, it's 
always high.

For now I added a 20 usec delay and everything works.

Thanks,


Carlos