Hi, On Tue, 8 Aug 2023 at 14:41, Mr Academia Euforia <[email protected]> wrote: > > Hi there, > > I'm working on certain feature to be added to ONIE that is running on > Broadcom's Helix4 -based network switch. Part of the task is to add FIT > signature signing to U-boot versions supported by ONIE. ONIE as part of the > build process uses uboot snapshots, and applies platform patches on top of > it. > > The list of U-boot snapshots to pick from is as follows: > 2012.10, 2013.01.01, 2015.10, 2018.03 > > My platform by default, uses the oldest, 2012.10 and this version does not > support FIT signatures. > > I was thinking how to address that, and came up with two solutions, neither > being better (in my mind): > > 1) Create patch set based on the difference between more recent U-boot > versions and 2012 that would be focused around fit image signatures, > > 2) Pick 2018.03 as code base. > > Problems I see: > > Ad 1) I can't find any repository that would contain commits from that far > away history-wise. Did U-boot project even use any public repository in > 2012 ? General problem here is how to prepare patchset, > > Ad 2) The problem is that platform code patches don't apply on more recent > U-boot versions. Some of the files no longer exist, some code has been > refactored, etc. > > Could you guys offer me any sort of advise on how to approach this ?
Git history goes back to 2003. One way would be to start from scratch with v2023.07 and do a new port for your board. After that many years, a lot has changed. After that, you could consider upstreaming it so your code can keep up with updates. > > Best regards Regards, Simon
