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| author | David Shah <davey1576@gmail.com> | 2018-08-08 16:34:41 +0200 |
|---|---|---|
| committer | David Shah <davey1576@gmail.com> | 2018-08-08 16:34:41 +0200 |
| commit | e6eb2038683fd3c81570b8c8e5307678bca5f77e (patch) | |
| tree | a8b515dba03790793e98801b7233d1764d5ea151 | |
| parent | d173ddba367f7082f122df75dffb59577afaf0b4 (diff) | |
| download | nextpnr-e6eb2038683fd3c81570b8c8e5307678bca5f77e.tar.gz nextpnr-e6eb2038683fd3c81570b8c8e5307678bca5f77e.tar.bz2 nextpnr-e6eb2038683fd3c81570b8c8e5307678bca5f77e.zip | |
ice40: Add timing arcs through global buffers
Signed-off-by: David Shah <davey1576@gmail.com>
| -rw-r--r-- | ice40/arch.cc | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/ice40/arch.cc b/ice40/arch.cc index abce0aba..3d31f980 100644 --- a/ice40/arch.cc +++ b/ice40/arch.cc @@ -953,6 +953,10 @@ TimingPortClass Arch::getPortTimingClass(const CellInfo *cell, IdString port, Id if (port == id("CLKHF")) return TMG_GEN_CLOCK; return TMG_IGNORE; + } else if (cell->type == id_sb_gb) { + if (port == id_glb_buf_out) + return TMG_COMB_OUTPUT; + return TMG_COMB_INPUT; } return TMG_IGNORE; } |