[U-Boot] Targets in the Makefile, SPL and .img

jonsmirl at gmail.com jonsmirl at gmail.com
Wed Mar 21 23:12:57 CET 2012

On Wed, Mar 21, 2012 at 5:54 PM, Tom Rini <trini at ti.com> wrote:
> On Wed, Mar 21, 2012 at 05:46:38PM -0400, jonsmirl at gmail.com wrote:
>> On Wed, Mar 21, 2012 at 5:38 PM, Tom Rini <trini at ti.com> wrote:
>> > On Wed, Mar 21, 2012 at 10:32:39AM -0400, jonsmirl at gmail.com wrote:
>> >
>> >> If you make u-boot.img it doesn't also make in the SPL directory. Can
>> >> this get fixed before the next release?
>> >
>> > Can you elaborate? ?This is working fine for folks as far as we can
>> > tell. ?If doing a brand new (sub)arch you may need things similar to
>> > arch/arm/cpu/armv7/omap3/config.mk
>> Nothing is broken, it is just inconvenient.
>> Do 'make'
>> it builds u-boot.bin and spl/u-boot-spl.bin
>> Do 'make u-boot.img'
>> it builds u-boot.bin and u-boot.img, but not spl/u-boot-spl.bin
>> In our case we are concatenating spl/u-boot-spl.bin and u-boot.img and
>> we need the img header to know the length of the attached u-boot.
>> Maybe just add u-boot.img to the default make targets? Otherwise I
>> need to teach people to do 'make u-boot.img spl/u-boot-spl.bin'.
> That is not the behavior I see right now with omap3_beagle, for example.
> It gives me u-boot.img and MLO (along with u-boot.bin and
> spl/u-boot-spl.bin), both with and without O=.  That's why I suggested
> looking at the file I said because that's what controls making
> u-boot.img be an always built target, for omap3 boards with SPL.

I get it now. I added this to my config.mk. Thanks for the tip.

ALL-y	+= $(obj)u-boot.img

Jon Smirl
jonsmirl at gmail.com

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