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Small documentation addition on bringup

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abejgonzalez
2020-12-31 14:15:24 -08:00
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docs/Prototyping/VCU118.rst
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@@ -47,8 +47,13 @@ After the harness is created, the ``BundleBridgeSource``'s must be connected to
This is done with harness binders and io binders (see ``fpga/src/main/scala/vcu118/HarnessBinders.scala`` and ``fpga/src/main/scala/vcu118/IOBinders.scala``).
For more information on harness binders and io binders, refer to :ref:`IOBinders and HarnessBinders`.
An example of a more complicated design using new ``Overlays`` can be viewed in ``fpga/src/main/scala/vcu118/bringup/``.
This example extends the default test harness and creates new ``Overlays`` to connect to the FMC port.
Introduction to the Bringup Platform
------------------------------------
An example of a more complicated design used for Chipyard test chips can be viewed in ``fpga/src/main/scala/vcu118/bringup/``.
This example extends the default test harness and creates new ``Overlays`` to connect to a DUT (connected to the FMC port).
Extensions include another UART (connected over FMC), I2C (connected over FMC), miscellaneous GPIOS (can be connected to anything), and a TSI Host Widget.
The TSI Host Widget is used to interact with the DUT from the prototype over a SerDes link (sometimes called the Low BandWidth InterFace - LBWIF) and provide access to a channel of the FPGA's DRAM.
.. Note:: Remember that since whenever a new test harness is created (or the config changes, or the config packages changes, or...), you need to modify the make invocation.
For example, ``make SUB_PROJECT=vcu118 CONFIG=MyNewVCU118Config CONFIG_PACKAGE=this.is.my.scala.package bitstream``.