[U-Boot] Ask: How speed up read nand flash on lpc3250

[Scott Wood]

On Wed, Jul 22, 2009 at 10:47:22PM +0800, xbl1986 wrote:
> CPU:LPC3250.

I don't see that string anywhere in the U-Boot tree -- what NAND driver
are you using?

> Nand:K9F2G8U0A 256M
> the u-boot boot time now about 8s.
> the step to read linux kernel less 2M cost more or less 4s!!
> I want to make it faster~,but don't know how to.

Make sure you are creating an on-chip bad block table
(NAND_USE_FLASH_BBT).  You'll still have to scan for bad blocks on first
boot, but it should be much faster after that.

-Scott