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46 lines
1.3 KiB
Markdown
46 lines
1.3 KiB
Markdown
# Taxi Example Design for ZCU111
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## Introduction
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This example design targets the Xilinx ZCU111 FPGA board.
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The design places looped-back MACs on the SFP+ ports as well as a looped-back UART on on the USB UART connection.
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* USB UART
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* Looped-back UART
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* QSFP28
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* Looped-back 10GBASE-R or 25GBASE-R MACs via GTY transceivers
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## Board details
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* FPGA: xczu28dr-ffvg1517-2-e
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* USB UART: FTDI FT4232H
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* 25GBASE-R PHY: Soft PCS with GTY transceivers
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## Licensing
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* Toolchain
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* Vivado Enterprise (requires license)
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* IP
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* No licensed vendor IP or 3rd party IP
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## How to build
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Run `make` in the appropriate `fpga*` subdirectory to build the bitstream. Ensure that the Xilinx Vivado toolchain components are in PATH.
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## Board configuration
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For correct operation, several DIP switches need to be set correctly.
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DIP switch settings:
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* SW6: all ON (select JTAG boot)
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## How to test
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Run `make program` to program the board with Vivado.
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To test the looped-back UART, use any serial terminal software like minicom, screen, etc. The looped-back UART will echo typed text back without modification.
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To test the looped-back MAC, it is recommended to use a network tester like the Viavi T-BERD 5800 that supports basic layer 2 tests with a loopback. Do not connect the looped-back MAC to a network as the reflected packets may cause problems.
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