[U-Boot] [RFC] arm926ejs: fix jump to RAM nand_boot

[Sughosh Ganu]

hi Albert,

On Tue Nov 02, 2010 at 10:47:49AM +0100, Albert ARIBAUD wrote:

> Now a solution would be that the actual u-boot size be flashed along 
> with it, for instance as a literal defined as '.word _end - _start' 
> right after the vectors. The SPL could load a first NAND block, read the 
> literal, round it to a multiple of NAND blocks by default, and then read 
> this quantity.
> 
> That would remove the dependency at the cost of extra code in the SPL, 
> though, and not all boards might be able to afford it.

  Another issue is that the nand_spl might be compiled and flashed
  to the NAND as a separate entity, using a separate flashing
  mechanism. If we use the dynamic calculation of the u-boot size,
  this would necessitate building and flashing the nand_spl each time
  along with u-boot.

-sughosh