On Wed, Jul 20, 2016 at 08:32:50AM +0200, Mario Six wrote: > In certain circumstances it comes in handy to be able to boot into a second > U-Boot. But as of now it is not possible to boot a U-Boot binary that is > inside > a FIT image, which is problematic for projects that e.g. need to guarantee a > unbroken chain of trust from SOC all the way into the OS, since the FIT > signing > mechanism cannot be used. > > This patch adds the capability to load such FIT images. > > An example .its snippet (utilizing signature verification) might look > like the following: > > images { > firmware@1 { > description = "2nd stage U-Boot image"; > data = /incbin/("u-boot-dtb.img.gz"); > type = "firmware"; > arch = "arm"; > os = "u-boot"; > compression = "gzip"; > load = <0x8FFFC0>; > entry = <0x900000>; > signature@1 { > algo = "sha256,rsa4096"; > key-name-hint = "key"; > }; > }; > }; > > Signed-off-by: Mario Six <mario....@gdsys.cc>
Reviewed-by: Tom Rini <tr...@konsulko.com> -- Tom
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