> On 3. May 2023, at 19:28, Christian Zigotzky <chzigot...@xenosoft.de> wrote: > > > >>> On 3. May 2023, at 18:51, Rob Herring <r...@kernel.org> wrote: >>> >>> On Wed, May 3, 2023 at 11:27 AM Christophe Leroy >>> <christophe.le...@csgroup.eu> wrote: >>> >>> +Rob as he's the commit's Author. >>> >>>> Le 03/05/2023 à 17:46, Christian Zigotzky a écrit : >>>> On 02 May 2023 at 11:28 am, Michael Ellerman wrote: >>>>> Christian Zigotzky <chzigot...@xenosoft.de> writes: >>>>>> Hello, >>>>>> >>>>>> Our PASEMI Nemo board [1] doesn't boot with the PowerPC updates 6.4-1 >>>>>> [2]. >>>>>> >>>>>> The kernel hangs right after the booting Linux via __start() @ >>>>>> 0x0000000000000000 ... >>>>>> >>>>>> I was able to revert the PowerPC updates 6.4-1 [2] with the following >>>>>> command: git revert 70cc1b5307e8ee3076fdf2ecbeb89eb973aa0ff7 -m 1 >>>>>> >>>>>> After a re-compiling, the kernel boots without any problems without the >>>>>> PowerPC updates 6.4-1 [2]. >>>>>> >>>>>> Could you please explain me, what you have done in the boot area? >>>>> There's a few possibilities, but nothing obvious. >>>>> >>>>> To begin with can you please test the following commits? >>>>> >>>>> 77e69ee7ce07 >>>>> e4ab08be5b49 >>>>> eeac8ede1755 >>>>> >>>>> cheers >>>> git revert e4ab08be5b4902e5b350b0e1e1a3c25eb21d76d4 >>>> >>>> [master 0086e2cbbec0] Revert "powerpc/isa-bridge: Remove open coded >>>> "ranges" parsing" >>>> 1 file changed, 129 insertions(+), 37 deletions(-) >>>> >>>> After a recompiling it boots without any problems. >>>> >>>> e4ab08be5b49 -- powerpc/isa-bridge: Remove open coded "ranges" parsing >>>> is the bad commit. >> >> Could I get a DT file for this board? >> >> In the meantime, just revert this commit. I don't think I'll be able >> to fix it before I'm out on sabbatical. >> >> Rob > > FYI: > > Darren Stevens wrote: > > The dtb passed by the CFE firmware has a number of issues, which up till > now have been fixed by use of patches applied to the mainline kernel. > This occasionally causes problems with changes made to mainline. > > Patching the firmware to correct the dtb is not an option for the > following reasons: > > It was modified by a 3rd party, and we don't have a copy of the source. > > All versions of CFE used on the X1000 export the same dtb. > > At least one machine suffered damage during a firmware upgrade attempt, > many people will be unwilling to reflash their system if an upgrade is > produced. > >
Nemo’s DT: https://forum.hyperion-entertainment.com/viewtopic.php?p=54406#p54406
