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ManthanWankar's avatar
ManthanWankar
Icon for New Contributor rankNew Contributor
3 years ago

Kernel restart issue while trying to read or write from the address space of hps2fpga and lwhps2fpga

Currently working on a Arria 10 FPGA and faced this issue while trying to access the gpio connected on the lwhps to fpga bridge but when i try to access the lwhps2fpgs address section(0xff200000) my...
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aikeu's avatar
aikeu
Icon for Regular Contributor rankRegular Contributor
3 years ago

Hi ManthanWankar,


Can you try to perform bridge enable in Uboot user space before booting into linux kernel?


Thanks.

Regards,

Aik Eu


  • ManthanWankar's avatar
    ManthanWankar
    Icon for New Contributor rankNew Contributor
    3 years ago

    have tried that too, also tried to access the registers from uboot , got data abort error.

    the bridges are enable i can see the state of bridge in /sys/class/fpga_bridge/br*/state as enabled