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strongarm
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Registered: ‎08-13-2020

CAN1 module register access problem in Linux

i am using the "https://wiki.analog.com/resources/eval/user-guides/ad-fmcomms3-ebz" with "Xilinx ZC702 Evaluation Kit" in the Linux environment. i am trying to add the CAN BUS feature to this board, however, when i use the application "peek" to access the registers, i found that CAN0 module can be accessed, CAN1 module cannot be accessed as shown below,

 

root@analog:~#peek 0xe0008000

0x00000000

root@analog:~#peek 0xe0009000

(command console hang)

 

may i know what causing the CAN1 module register cannot be accessed? is it because of the FPGA bitstream file or the Linux kernel setting causing the module register access problem?

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