[PATCH 02/13] scripts: add tool to create image for SPI boot on AM35xx

[Jean-Christophe PLAGNIOL-VILLARD]

On 08:51 Tue 21 Aug     , Jan Luebbe wrote:
> On Mon, Aug 20, 2012 at 04:40:48PM +0200, Jean-Christophe PLAGNIOL-VILLARD wrote:
> > On 16:20 Mon 20 Aug     , Jan Luebbe wrote:
> > > --- a/arch/arm/Makefile
> > > +++ b/arch/arm/Makefile
> > > @@ -186,6 +186,14 @@ endif
> > >  
> > >  all: $(KBUILD_IMAGE)
> > >  
> > > +barebox.spi: barebox.bin
> > > +	@echo "  SPI    " $@
> > > +	$(Q)scripts/mk-am35xx-spi-image barebox.bin > barebox.spi
> > you need to use cmd_ style and be in sync wtih the next branch
> 
> Ok.
> 
> > > +
> > > +	/* image size */
> > > +	temp = htobe32((uint32_t)pos);
> > > +	fwrite(&temp, sizeof(uint32_t), 1, stdout);
> > > +
> > > +	/* memory address */
> > > +	temp = htobe32(addr);
> > > +	fwrite(&temp, sizeof(uint32_t), 1, stdout);
> > why this??
> > 
> > you just need to create a PRE_IMAGE
> > 
> > so no need ot this
> 
> What do you mean by PRE_IMAGE?
> 
> The image needs to be endian-swapped. Is that possible with the linker?
you need to check the ld manual

but I guess you can can via c macro

Best Regards,
J.