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author | Clifford Wolf <clifford@clifford.at> | 2018-06-12 14:25:12 +0200 |
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committer | Clifford Wolf <clifford@clifford.at> | 2018-06-12 14:25:12 +0200 |
commit | d62e341d5a3183d6fdb7168afb978068a396e9a4 (patch) | |
tree | 6371f1e406aa80c41fcec87270ed815b8eb35605 /ice40/cells.h | |
parent | 391d49c13ec675e263115d18481d4b842622b712 (diff) | |
parent | 9ee6a6e1149e35bcca3c1781f6ce84b11dc80296 (diff) | |
download | nextpnr-d62e341d5a3183d6fdb7168afb978068a396e9a4.tar.gz nextpnr-d62e341d5a3183d6fdb7168afb978068a396e9a4.tar.bz2 nextpnr-d62e341d5a3183d6fdb7168afb978068a396e9a4.zip |
Merge branch 'master' of gitlab.com:SymbioticEDA/nextpnr
Diffstat (limited to 'ice40/cells.h')
-rw-r--r-- | ice40/cells.h | 5 |
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 |