CAN bus with TE0803 + TEBF0808

[joseer]

Hello,

I'm trying to work with the CAN bus on these kit, which I routed through EMIO using the dedicated PL pins HDIO_SC18 and HDIO_SC19 but unfortunately when I boot petalinux I've got:

Code Select Expand

root@petalinux:~# dmesg | grep can
[    4.549207] vcan: Virtual CAN interface driver
[    4.562231] xilinx_can ff060000.can: failed to add to PM domain pd-can0: -13
[    5.271851] can: controller area network core (rev 20170425 abi 9)
[    5.282329] can: raw protocol (rev 20170425)
[    5.286563] can: broadcast manager protocol (rev 20170425 t)
[    5.292190] can: netlink gateway (rev 20170425) max_hops=1
[    5.590828] xilinx_can ff060000.can: failed to add to PM domain pd-can0: -13
[    5.774347] xilinx_can ff060000.can: failed to add to PM domain pd-can0: -13
[    6.092708] xilinx_can ff060000.can: failed to add to PM domain pd-can0: -13
[    6.105726] xilinx_can ff060000.can: failed to add to PM domain pd-can0: -13
[    6.135895] xilinx_can ff060000.can: failed to add to PM domain pd-can0: -13
[    6.166650] xilinx_can ff060000.can: failed to add to PM domain pd-can0: -13
[    6.285767] xilinx_can ff060000.can: failed to add to PM domain pd-can0: -13
[    6.442707] xilinx_can ff060000.can: failed to add to PM domain pd-can0: -13
[    6.469466] xilinx_can ff060000.can: failed to add to PM domain pd-can0: -13
[    6.499414] xilinx_can ff060000.can: failed to add to PM domain pd-can0: -13
[    6.532316] xilinx_can ff060000.can: failed to add to PM domain pd-can0: -13
[    6.566771] xilinx_can ff060000.can: failed to add to PM domain pd-can0: -13
[    6.788985] xilinx_can ff060000.can: failed to add to PM domain pd-can0: -13
[    7.112159] xilinx_can ff060000.can: failed to add to PM domain pd-can0: -13

Did you test/try the CAN bus with this kit in petalinux? any ideas what could it be wrong?

Thanks.

[joseer]

I ran the vivado "starterkit" reference project and I've got it working now, it was down to get the correct setup in the device tree can node.

[JH]

Hi,
good to hear that it works now.

Short note: In case you change something on PS setup or PS-PL address space, always regenerate all files. Everything belongs together.

br
John