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| author | Vikram Garhwal <vikram.garhwal@amd.com> | 2023-06-06 10:19:30 +0100 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2023-06-06 10:19:30 +0100 |
| commit | 042d6b02551eb40255a76131b2d60f996a51195c (patch) | |
| tree | 17679960b1df1a57043a5dbb1dab9cf3133115bd /docs | |
| parent | 32dbebcc7e375fef47834ac3951009468294db01 (diff) | |
| download | qemu-042d6b02551eb40255a76131b2d60f996a51195c.zip qemu-042d6b02551eb40255a76131b2d60f996a51195c.tar.gz qemu-042d6b02551eb40255a76131b2d60f996a51195c.tar.bz2 | |
xlnx-versal: Connect Xilinx VERSAL CANFD controllers
Connect CANFD0 and CANFD1 on the Versal-virt machine and update xlnx-versal-virt
document with CANFD command line examples.
Signed-off-by: Vikram Garhwal <vikram.garhwal@amd.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Francisco Iglesias <frasse.iglesias@gmail.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'docs')
| -rw-r--r-- | docs/system/arm/xlnx-versal-virt.rst | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/docs/system/arm/xlnx-versal-virt.rst b/docs/system/arm/xlnx-versal-virt.rst index 92ad10d..d2d1b26 100644 --- a/docs/system/arm/xlnx-versal-virt.rst +++ b/docs/system/arm/xlnx-versal-virt.rst @@ -34,6 +34,7 @@ Implemented devices: - DDR memory - BBRAM (36 bytes of Battery-backed RAM) - eFUSE (3072 bytes of one-time field-programmable bit array) +- 2 CANFDs QEMU does not yet model any other devices, including the PL and the AI Engine. @@ -224,3 +225,33 @@ To use a different index value, N, from default of 1, add: Better yet, do not use actual product data when running guest image on this Xilinx Versal Virt board. + +Using CANFDs for Versal Virt +"""""""""""""""""""""""""""" +Versal CANFD controller is developed based on SocketCAN and QEMU CAN bus +implementation. Bus connection and socketCAN connection for each CAN module +can be set through command lines. + +To connect both CANFD0 and CANFD1 on the same bus: + +.. code-block:: bash + + -object can-bus,id=canbus -machine canbus0=canbus -machine canbus1=canbus + +To connect CANFD0 and CANFD1 to separate buses: + +.. code-block:: bash + + -object can-bus,id=canbus0 -object can-bus,id=canbus1 \ + -machine canbus0=canbus0 -machine canbus1=canbus1 + +The SocketCAN interface can connect to a Physical or a Virtual CAN interfaces on +the host machine. Please check this document to learn about CAN interface on +Linux: docs/system/devices/can.rst + +To connect CANFD0 and CANFD1 to host machine's CAN interface can0: + +.. code-block:: bash + + -object can-bus,id=canbus -machine canbus0=canbus -machine canbus1=canbus + -object can-host-socketcan,id=canhost0,if=can0,canbus=canbus |