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The Xilinx ZynqMP CAN controller is developed based on SocketCAN, QEMU CAN bus
implementation. Bus connection and socketCAN connection for each CAN module
can be set through command lines.
Example for using single CAN:
-object can-bus,id=canbus0 \
-machine xlnx-zcu102.canbus0=canbus0 \
-object can-host-socketcan,id=socketcan0,if=vcan0,canbus=canbus0
Example for connecting both CAN to same virtual CAN on host machine:
-object can-bus,id=canbus0 -object can-bus,id=canbus1 \
-machine xlnx-zcu102.canbus0=canbus0 \
-machine xlnx-zcu102.canbus1=canbus1 \
-object can-host-socketcan,id=socketcan0,if=vcan0,canbus=canbus0 \
-object can-host-socketcan,id=socketcan1,if=vcan0,canbus=canbus1
To create virtual CAN on the host machine, please check the QEMU CAN docs:
https://github.com/qemu/qemu/blob/master/docs/can.txt
Signed-off-by: Vikram Garhwal <fnu.vikram@xilinx.com>
Message-id: 1605728926-352690-2-git-send-email-fnu.vikram@xilinx.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
10 lines
1.0 KiB
Plaintext
10 lines
1.0 KiB
Plaintext
# xlnx-zynqmp-can.c
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xlnx_can_update_irq(uint32_t isr, uint32_t ier, uint32_t irq) "ISR: 0x%08x IER: 0x%08x IRQ: 0x%08x"
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xlnx_can_reset(uint32_t val) "Resetting controller with value = 0x%08x"
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xlnx_can_rx_fifo_filter_reject(uint32_t id, uint8_t dlc) "Frame: ID: 0x%08x DLC: 0x%02x"
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xlnx_can_filter_id_pre_write(uint8_t filter_num, uint32_t value) "Filter%d ID: 0x%08x"
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xlnx_can_filter_mask_pre_write(uint8_t filter_num, uint32_t value) "Filter%d MASK: 0x%08x"
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xlnx_can_tx_data(uint32_t id, uint8_t dlc, uint8_t db0, uint8_t db1, uint8_t db2, uint8_t db3, uint8_t db4, uint8_t db5, uint8_t db6, uint8_t db7) "Frame: ID: 0x%08x DLC: 0x%02x DATA: 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x"
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xlnx_can_rx_data(uint32_t id, uint32_t dlc, uint8_t db0, uint8_t db1, uint8_t db2, uint8_t db3, uint8_t db4, uint8_t db5, uint8_t db6, uint8_t db7) "Frame: ID: 0x%08x DLC: 0x%02x DATA: 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x"
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xlnx_can_rx_discard(uint32_t status) "Controller is not enabled for bus communication. Status Register: 0x%08x"
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