On 02/09/2017 02:08 AM, Udit Agarwal wrote: > For validating images from uboot (Such as Kernel Image), either keys > from SoC fuses can be used or keys from a verified table of public keys > can be used. The latter feature is called IE Key Extension Feature. > > For Layerscape Chasis 3 based platforms, IE table is validated by Bootrom > and address of this table is written in scratch registers 13 and 14 via > PBI commands. > > Following are the steps describing usage of this feature: > > 1) Verify IE Table in ISBC phase using keys stored in fuses. > 2) Install IE table. (To be used across verification of multiple images > stored in a static global structure.) > 3) Use keys from IE table, to verify further images. > > Signed-off-by: Aneesh Bansal <[email protected]> > Signed-off-by: Saksham Jain <[email protected]> > Signed-off-by: Udit Agarwal <[email protected]> > --- > > Changes for V2 > Adds more clarity in subject and description related to this feature. > ---
Minor reformat commit message (some lines are too long). Applied to fsl-qoriq master, awaiting upstream. Thanks. York _______________________________________________ U-Boot mailing list [email protected] https://lists.denx.de/listinfo/u-boot
