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| author | gatecat <gatecat@ds0.me> | 2021-11-05 15:16:43 +0000 |
|---|---|---|
| committer | gatecat <gatecat@ds0.me> | 2021-11-05 15:16:43 +0000 |
| commit | ce030a474ca28dcc309892439b0dab331c4f73b0 (patch) | |
| tree | 9e20c7b7c68f1b1d9679afb3db3c1c13620b0fe9 /ecp5/pack.cc | |
| parent | 06d58e6eed90aa9c2d16d0fe6286ec59a2f880a2 (diff) | |
| download | nextpnr-ce030a474ca28dcc309892439b0dab331c4f73b0.tar.gz nextpnr-ce030a474ca28dcc309892439b0dab331c4f73b0.tar.bz2 nextpnr-ce030a474ca28dcc309892439b0dab331c4f73b0.zip | |
ecp5: Fix packing of IOFF with IODELAYs
Signed-off-by: gatecat <gatecat@ds0.me>
Diffstat (limited to 'ecp5/pack.cc')
| -rw-r--r-- | ecp5/pack.cc | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/ecp5/pack.cc b/ecp5/pack.cc index 66cb81b2..cbf882a8 100644 --- a/ecp5/pack.cc +++ b/ecp5/pack.cc @@ -2316,7 +2316,9 @@ class Ecp5Packer set_iologic_mode(iol, "IREG_OREG"); bool drives_iologic = false; for (auto user : ci->ports.at(ctx->id("Z")).net->users) - if (is_iologic_input_cell(ctx, user.cell) && user.port == ctx->id("D")) + if (is_iologic_input_cell(ctx, user.cell) && + (user.port == ctx->id("D") || + (user.cell->type == ctx->id("TRELLIS_FF") && user.port == ctx->id("DI")))) drives_iologic = true; if (drives_iologic) { // Reconnect to PIO which the packer expects later on |