According to the FIT image specification, these properties are mandatory.
https://gitlab.denx.de/u-boot/u-boot/-/blob/master/doc/uImage.FIT/source_file_format.txt
I have verified that u-boot fails to boot if these properties are not
specified
## Loading kernel from FIT Image at c2000000 ...
Using 'conf-1' configuration
Trying 'kernel' kernel subimage
Description: kernel
Created: 2020-09-01 0:00:00 UTC
Type: Kernel Image
Compression: uncompressed
Data Start: 0xc20000b4
Data Size: 7329320 Bytes = 7 MiB
Architecture: ARM
OS: Linux
Load Address: unavailable
Entry Point: unavailable
Hash algo: sha256
Hash value:
1d5ceba5d651e2b9bede9945427a7b759fe4891812eb9a67c53ecd4544c8fae8
Verifying Hash Integrity ... sha256+ OK
Can't get image load address!
Regards, Alex
El mar., 10 nov. 2020 a las 15:38, Denis Osterland-Heim (<
[email protected]>) escribió:
> Hi,
>
> AFAIK bootloaders should have reasonable defaults for this values.
> So they should be optional.
>
> Regrads, Denis
>
> Am Dienstag, den 10.11.2020, 10:11 +0100 schrieb [email protected]:
> > From: AVazquez <[email protected]>
> >
> > Add mandatory properties for types kernel and ramdisk.
> >
> > Signed-off-by: AVazquez <[email protected]>
> > ---
> > platforms/kernel-fit.in | 10 ++++++++++
> > scripts/lib/ptxd_make_fit_image.sh | 4 ++++
> > 2 files changed, 14 insertions(+)
> >
> > diff --git a/platforms/kernel-fit.in b/platforms/kernel-fit.in
> > index 8cbc1a8..d917a97 100644
> > --- a/platforms/kernel-fit.in
> > +++ b/platforms/kernel-fit.in
> > @@ -17,6 +17,16 @@ menuconfig KERNEL_FIT
> >
> > if KERNEL_FIT
> >
> > +config KERNEL_FIT_LOAD
> > +string
> > +default "0xC0008000"
> > +prompt "Kernel load address"
> > +
> > +config KERNEL_FIT_ENTRY
> > +string
> > +default "0xC0008000"
> > +prompt "Kernel entry address"
> > +
> > config KERNEL_FIT_SIGNED
> > bool
> > prompt "sign FIT image"
> > diff --git a/scripts/lib/ptxd_make_fit_image.sh
> b/scripts/lib/ptxd_make_fit_image.sh
> > index 9754d1e..4314b0e 100644
> > --- a/scripts/lib/ptxd_make_fit_image.sh
> > +++ b/scripts/lib/ptxd_make_fit_image.sh
> > @@ -21,7 +21,10 @@ ptxd_make_image_fit_its() {
> > data = /incbin/("${image_kernel}");
> > type = "kernel";
> > arch = "$(ptxd_get_ptxconf PTXCONF_ARCH_STRING)";
> > +os = "linux";
> > compression = "none";
> > +load = <$(ptxd_get_ptxconf PTXCONF_KERNEL_FIT_LOAD)>;
> > +entry = <$(ptxd_get_ptxconf PTXCONF_KERNEL_FIT_ENTRY)>;
> > hash-1 {
> > algo = "sha256";
> > };
> > @@ -33,6 +36,7 @@ EOF
> > description = "initramfs";
> > data = /incbin/("${image_initramfs}");
> > type = "ramdisk";
> > +os = "linux";
> > compression = "none";
> > hash-1 {
> > algo = "sha256";
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