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-rw-r--r--ice40/cells.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/ice40/cells.h b/ice40/cells.h
index 1c2e0d0f..34a034cd 100644
--- a/ice40/cells.h
+++ b/ice40/cells.h
@@ -47,6 +47,11 @@ inline bool is_ff(const CellInfo *cell)
cell->type == "SB_DFFNESS" || cell->type == "SB_DFFNES";
}
+// Convert a SB_LUT primitive to (part of) an ICESTORM_LC, swapping ports
+// as needed. Set no_dff if a DFF is not being used, so that the output
+// can be reconnected
+void lut_to_lc(CellInfo *lut, CellInfo *lc, bool no_dff = true);
+
// Convert a SB_DFFx primitive to (part of) an ICESTORM_LC, setting parameters
// and reconnecting signals as necessary. If pass_thru_lut is True, the LUT will
// be configured as pass through and D connected to I0, otherwise D will be