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

Jan Luebbe jlu at pengutronix.de
Tue Aug 21 02:51:34 EDT 2012


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?

Thanks,
Jan
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