Hi, so I did a bit of testing... > On Apr 5, 2019, at 11:42, Jean-Francois Dagenais <jeff.dagen...@gmail.com> > wrote: > >> It is trying to reset the PP, and fails. Can you check if the power islands >> are turned on. >> >> Can you tell me the output of the following: >> Devmem 0xFD4B006C >> Devmem 0xFD4B4004
# devmem2 0xFD4B006C /dev/mem opened. Memory mapped at address 0x7f9f5c6000. Read at address 0xFD4B006C (0x7f9f5c606c): 0x0B070101 # devmem2 0xFD4B4004 /dev/mem opened. Memory mapped at address 0x7fb7cc2000. Bus error I am looking at how to introspect the power island status... Is this a good place to start? https://xilinx-wiki.atlassian.net/wiki/spaces/A/pages/18842232/Zynq+UltraScale+MPSoC+Power+Management+-+Linux+Kernel -- _______________________________________________ meta-xilinx mailing list meta-xilinx@yoctoproject.org https://lists.yoctoproject.org/listinfo/meta-xilinx