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IO Buffer Instantiation Override #115

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nmigen-issue-migration opened this issue Jun 27, 2019 · 2 comments
Closed

IO Buffer Instantiation Override #115

nmigen-issue-migration opened this issue Jun 27, 2019 · 2 comments
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Issue by peteut
Thursday Jun 27, 2019 at 15:08 GMT
Originally opened as m-labs/nmigen#110

What is the envisaged way to override IO buffers instantiation, like IBUFS_GTE2 for Xilinx_Family7?
For now, I reverted 3fc5f17 in my branch to allow for direct instantiation of buffers.
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Comment by whitequark
Thursday Jun 27, 2019 at 22:52 GMT

platform.request("foo", dir="-") gives you an inout (or a p, n diffpair) that isn't connected to a buffer.

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Comment by peteut
Friday Jun 28, 2019 at 06:28 GMT

That perfect, thanks @whitequark.

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