[U-Boot] NAND only (no NOR)

Leon Woestenberg
2008-12-03T13:57:24Z

Hello,

On Wed, Dec 3, 2008 at 8:40 AM, Trent Piepho <tpiepho@freescale.com> wrote:
> 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.

The local bus can be configured to run non-multiplexed.

Regards,
--
Leon