On 10/23/2017 09:21 PM, Sumit Garg wrote: <snip> >> >> Sumit, >> >> If I understand you correctly, you are parsing the secure firmware FIT image >> to >> find the loadable node and store the 64-bit load address in the scratch >> registers. How do you determine which scratch registers to use? >> >> York > > Yes your understanding is correct. The scratch registers which I used are as > follows: > > For Chassis gen 3 platforms: > /* Assign addresses to loadable ptrs */ > loadable_l = &gur->scratchrw[4]; > loadable_h = &gur->scratchrw[5]; > > For Chassis gen 2 platforms: > /* Assign addresses to loadable ptrs */ > loadable_l = &scfg->scratchrw[2]; > loadable_h = &scfg->scratchrw[3]; > > I choose above scratch registers to avoid any conflict with usage of scratch > registers > in Boot-ROM, u-boot and PPA.
I see you write to these scratch registers but never read from them. What's the purpose to store the address in them? York _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de https://lists.denx.de/listinfo/u-boot
