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| author | gatecat <gatecat@ds0.me> | 2021-02-11 11:10:32 +0000 |
|---|---|---|
| committer | gatecat <gatecat@ds0.me> | 2021-02-12 10:36:59 +0000 |
| commit | 510969ab9704865f87c7c0bd09e0185b729feffc (patch) | |
| tree | 39a6e35998d92f5066f21f8055a17fb7a7428f98 /machxo2/examples/bitstream.py | |
| parent | c956cae8244c094783edc7101fd0ca542c24e55b (diff) | |
| download | nextpnr-510969ab9704865f87c7c0bd09e0185b729feffc.tar.gz nextpnr-510969ab9704865f87c7c0bd09e0185b729feffc.tar.bz2 nextpnr-510969ab9704865f87c7c0bd09e0185b729feffc.zip | |
Create machxo2 backend (renamed from generic).
Signed-off-by: William D. Jones <thor0505@comcast.net>
Diffstat (limited to 'machxo2/examples/bitstream.py')
| -rw-r--r-- | machxo2/examples/bitstream.py | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/machxo2/examples/bitstream.py b/machxo2/examples/bitstream.py new file mode 100644 index 00000000..7f0b5c07 --- /dev/null +++ b/machxo2/examples/bitstream.py @@ -0,0 +1,17 @@ +from write_fasm import * +from simple_config import K + +# Need to tell FASM generator how to write parameters +# (celltype, parameter) -> ParameterConfig +param_map = { + ("GENERIC_SLICE", "K"): ParameterConfig(write=False), + ("GENERIC_SLICE", "INIT"): ParameterConfig(write=True, numeric=True, width=2**K), + ("GENERIC_SLICE", "FF_USED"): ParameterConfig(write=True, numeric=True, width=1), + + ("GENERIC_IOB", "INPUT_USED"): ParameterConfig(write=True, numeric=True, width=1), + ("GENERIC_IOB", "OUTPUT_USED"): ParameterConfig(write=True, numeric=True, width=1), + ("GENERIC_IOB", "ENABLE_USED"): ParameterConfig(write=True, numeric=True, width=1), +} + +with open("blinky.fasm", "w") as f: + write_fasm(ctx, param_map, f) |