nextpnr/machxo2/examples/bitstream.py
gatecat 510969ab97 Create machxo2 backend (renamed from generic).
Signed-off-by: William D. Jones <thor0505@comcast.net>
2021-02-12 10:36:59 +00:00

18 lines
711 B
Python

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)