[U-Boot] NAND only (no NOR)

Trent Piepho tpiepho at freescale.com
Wed Dec 3 08:40:57 CET 2008


On Wed, 3 Dec 2008, Sean MacLennan wrote:
>> Yes, I would recommend to do it this way if possible. A small NOR for
>> U-Boot and environment and everything else in NAND. This makes things
>> much easier. But I understand that this is sometimes a problem with
>> space (2 FLASH chips) and costs.
>
> Mainly cost. We didn't want to pay for a second chip.

I think for NAND the latches necessary to de-multiplex the localbus aren't
necessary like they are for NOR?  On our board the latches might even take
more space than the flash chip.


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