[U-Boot] [PATCH] spl, Makefile: Take external offset into account for fit images
Sjoerd Simons
sjoerd.simons at collabora.co.uk
Tue Jun 18 20:32:09 UTC 2019
On Tue, 2019-06-18 at 22:20 +0200, Marek Vasut wrote:
> On 6/18/19 10:13 PM, Sjoerd Simons wrote:
> > When building a FIT image for SPL to load also take into account
> > the
> > configured external offset. This allows the SPL to load the u-boot
> > FIT
> > image correctly when configuring SECURE_BOOT on i.mx6 is enabled
> > (with CONFIG_FIT_EXTERNAL_OFFSET=0x3000).
> >
> > Note this doesn't allow secure booting; but it does allow an
> > unsigned
> > SPL/u-boot with secure boot support eanbled to boot on open device.
>
> Does this change behavior on systems which don't use
> CONFIG_FIT_EXTERNAL_OFFSET ?
Nope; in that case the default CONFIG_FIT_EXTERNAL_OFFSET is 0x0, which
gets essentially ignored if passed as a argument to -p
>
> > Signed-off-by: Sjoerd Simons <sjoerd.simons at collabora.co.uk>
> >
> > ---
> >
> > Makefile | 1 +
> > 1 file changed, 1 insertion(+)
> >
> > diff --git a/Makefile b/Makefile
> > index c55ffa265f..a8808aeefd 100644
> > --- a/Makefile
> > +++ b/Makefile
> > @@ -1240,6 +1240,7 @@ endif
> > ifdef CONFIG_SPL_LOAD_FIT
> > MKIMAGEFLAGS_u-boot.img = -f auto -A $(ARCH) -T firmware -C none
> > -O u-boot \
> > -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_UBOOT_START) \
> > + -p $(CONFIG_FIT_EXTERNAL_OFFSET) \
> > -n "U-Boot $(UBOOTRELEASE) for $(BOARD) board" -E \
> > $(patsubst %,-b arch/$(ARCH)/dts/%.dtb,$(subst
> > ",,$(CONFIG_OF_LIST)))
> > else
> >
>
>
--
Sjoerd Simons
Collabora Ltd.
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