[U-Boot] I can not read Linux image from my nand flash

[Scott Wood]

Peter Pan wrote:
> The previous u-boot version I use is U-boot 1.2.0, an ancient version.
> So I upgrade the u-boot to 2009-08.
> The platform is MPC8247.

That's a chip, not a platform.  Which NAND controller driver?  What 
happens if you also use a non-ancient Linux?  Have you compared the OOB 
layout between U-Boot and Linux?

> About build warnings, some warnings in printf for not proper type, and
> yes, I get the 64-bit printf warning :
> 
> nand_util.c:45:2: warning: #warning Please define
> CONFIG_SYS_64BIT_VSPRINTF for correct output!
> 
> After I change the loff_t from long long to unsigned long, it works fine now.

I suggest doing as it says, and defining CONFIG_SYS_64BIT_VSPRINTF in 
your board config file instead.

-Scott