diff options
| author | David Shah <dave@ds0.me> | 2019-08-27 13:14:41 +0100 |
|---|---|---|
| committer | David Shah <dave@ds0.me> | 2019-08-27 13:14:41 +0100 |
| commit | 78f86ce67afebe20d6a152ac53cf0f8ff16132a7 (patch) | |
| tree | c63c7d250c160471738a0e909c1a9337c7a92669 /ecp5/pack.cc | |
| parent | ccd9ca2a30374341207a975cfd1de172b9a59480 (diff) | |
| download | nextpnr-78f86ce67afebe20d6a152ac53cf0f8ff16132a7.tar.gz nextpnr-78f86ce67afebe20d6a152ac53cf0f8ff16132a7.tar.bz2 nextpnr-78f86ce67afebe20d6a152ac53cf0f8ff16132a7.zip | |
ecp5: Add GSR/SGSR support
Signed-off-by: David Shah <dave@ds0.me>
Diffstat (limited to 'ecp5/pack.cc')
| -rw-r--r-- | ecp5/pack.cc | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/ecp5/pack.cc b/ecp5/pack.cc index 7cf9df78..e610dfe5 100644 --- a/ecp5/pack.cc +++ b/ecp5/pack.cc @@ -1411,6 +1411,17 @@ class Ecp5Packer rename_port(ctx, ci, ctx->id("USRMCLKI"), id_PADDO); rename_port(ctx, ci, ctx->id("USRMCLKTS"), id_PADDT); rename_port(ctx, ci, ctx->id("USRMCLKO"), id_PADDI); + } else if (ci->type == id_GSR || ci->type == ctx->id("SGSR")) { + ci->params[ctx->id("MODE")] = std::string("ACTIVE_LOW"); + ci->params[ctx->id("SYNCMODE")] = + ci->type == ctx->id("SGSR") ? std::string("SYNC") : std::string("ASYNC"); + ci->type = id_GSR; + for (BelId bel : ctx->getBels()) { + if (ctx->getBelType(bel) != id_GSR) + continue; + ci->attrs[ctx->id("BEL")] = ctx->getBelName(bel).str(ctx); + ctx->gsrclk_wire = ctx->getBelPinWire(bel, id_CLK); + } } } } |