On 9/23/21 8:41 AM, Tony Lindgren wrote: > * Jarkko Nikula <jarkko.nikula@xxxxxxxxxx> [210922 17:22]: >> Better luck with this one but looks like idling cause "undefined >> instruction" crash. Cache/memory etc corruption perhaps? Serial console >> log attached. > > Hmm. If you comment out the twl power node, does the omap3-beagle-ab4.dtb > boot normally for you? It should behave the same as current mainline then > with the omap3isp issue. > Commenting the twl_power node out or removing the twl section leads to immediately rebooting kernel: Starting kernel ... undefined instruction pc : [<80008000>] lr : [<8ff41c1d>] reloc pc : [<701c7000>] lr : [<80100c1d>] sp : 8df20998 ip : 00000020 fp : 00000001 r10: 0000071f r9 : 8df20ed0 r8 : 8df2e864 r7 : 00000000 r6 : 80008000 r5 : 8ff9f5dc r4 : 00000000 r3 : 8df20fa8 r2 : 80000100 r1 : 0000060a r0 : 00000000 Flags: nZCv IRQs off FIQs off Mode SVC_32 Resetting CPU ... >> I used the new omap3-beagle-ab4.dtb: > > OK. So for your rev c2 board, does the new omap3-beagle.dtb boot and > work for you? > Booting with that alone doesn't output anything (with the patch applied). Jarkko