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

Scott Wood scottwood at freescale.com
Mon Nov 1 21:19:09 CET 2010


On Tue, 2 Nov 2010 06:44:41 +1100
Graeme Russ <graeme.russ at gmail.com> wrote:

> Wow, what a terrible waste!
> 
> Why does u-boot-spl need to relocate?

Because it is typically initially loaded into a special hardware
buffer.  That buffer needs to be freed up to be used to load the
payload.

> Can't u-boot-spl load AND relocate u-boot, or does u-boot-spl have
> tight space constraints?

It has tight space constraints -- often 4 KiB, sometimes even less IIRC.

-Scott



More information about the U-Boot mailing list