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TinyFPGA AX2: Set internal oscillator as default #136

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@jreyesr jreyesr commented Jan 13, 2021

NOTE: In draft mode and awaiting for upstream PR to be merged

This PR changes the TinyFPGA AX2 board to use the internal high-speed oscillator by default, since the board has no external clock and thus no default sync domain.

Notice: This PR is dependent on amaranth-lang/amaranth#575 being merged. Until then, it would cause an error since OSCH is not a valid resource on the TinyFPGA AX2 board.

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cr1901 commented Feb 9, 2021

FWIW, I checked out both this PR and amaranth-lang/amaranth#575 locally. They both work fine when paired with some quality-of-life changes I intend to submit after this PR is merged.

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