Giordon, On Wed, Oct 12, 2016 at 2:25 PM, Giordon Stark <[email protected]> wrote: > Hi, > > I have an image based on zc706 that includes python + devmem2 recipes > > root@gfex-prototype2:~# devmem2 -h > /dev/mem opened. > Memory mapped at address 0xb6f36000. > Read at address 0x00000000 (0xb6f36000): 0xE59F0000 > > I can see devmem2 functioning correctly here. When I access the memory > associated with M00_AXI (see attached screenshot): > > root@gfex-prototype2:~# devmem2 0x43c00000 w > /dev/mem opened. > Memory mapped at address 0xb6f5e000. > (hangs) > > I wonder if this is because of a failure in the AXI transfer? See attached > image. M00_AXI does not have an entry in my device tree either, but I don't > think that's a problem.
It might be your clock not being turned off, or your HDL for the slave not working correctly. Check your clock settings in /sys/kernel/debug/clocks/summary etc and make sure the FCLKx going to your custom logic is on and check your HDL for warnings ... Moritz PS: Do NOT send HTML email to lists -- _______________________________________________ meta-xilinx mailing list [email protected] https://lists.yoctoproject.org/listinfo/meta-xilinx
