[U-Boot] [PATCH v7 13/19] Makefile: u-boot-with-spl.bin: Fix SPL padding

[Scott Wood]

On 02/18/2013 01:52:10 PM, Benoît Thébaudeau wrote:
> On Monday, February 18, 2013 8:37:29 PM, Scott Wood wrote:
> > On 02/17/2013 10:16:49 AM, Benoît Thébaudeau wrote:
> > > Before this patch, PAD_TO was used, but there is no such  
> definition
> > > for this
> > > board for generic SPL, so this board seems broken,
> >
> > "--pad-to=" with no argument behaves the same as "--pad-to=0",  
> though
> > since it's undocumented we now avoid relying on that behavior as you
> > observed in a followup post.
> 
> OK.
> 
> > > all the more none of the
> > > various values defined for CONFIG_SYS_TEXT_BASE relatively to
> > > CONFIG_SPL_TEXT_BASE would be compatible with an image built by
> > > appending U-Boot
> > > to the generic SPL. Can you confirm?
> >
> > I don't follow.  CONFIG_SYS_TEXT_BASE is for where the payload gets
> > loaded to, and has nothing to do with its position in the SPL-concat
> > image, nor with the address that the SPL starts running at.
> 
> Right, sorry, I meant CONFIG_SYS_NAND_U_BOOT_OFFS. It is 0, which is  
> not
> compatible with the payload being appended to the SPL in the  
> programmed image.

That just means we load the whole thing, including SPL, so that we're  
always loading from the start of the block.  Note the difference  
between CONFIG_SYS_NAND_U_BOOT_DST and CONFIG_SYS_NAND_U_BOOT_START.

-Scott