diff options
Diffstat (limited to 'ecp5/cells.cc')
| -rw-r--r-- | ecp5/cells.cc | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/ecp5/cells.cc b/ecp5/cells.cc index 4beaabd2..4a20ce80 100644 --- a/ecp5/cells.cc +++ b/ecp5/cells.cc @@ -143,7 +143,7 @@ static void replace_port_safe(bool has_ff, CellInfo *ff, IdString ff_port, CellI } } -void ff_to_lc(Context *ctx, CellInfo *ff, CellInfo *lc, int index, bool driven_by_lut) +void ff_to_slice(Context *ctx, CellInfo *ff, CellInfo *lc, int index, bool driven_by_lut) { bool has_ff = lc->ports.at(ctx->id("Q0")).net != nullptr || lc->ports.at(ctx->id("Q1")).net != nullptr; std::string reg = "REG" + std::to_string(index); @@ -165,4 +165,14 @@ void ff_to_lc(Context *ctx, CellInfo *ff, CellInfo *lc, int index, bool driven_b } } +void lut_to_slice(Context *ctx, CellInfo *lut, CellInfo *lc, int index) +{ + lc->params[ctx->id("LUT" + std::to_string(index) + "_INITVAL")] = str_or_default(lc->params, ctx->id("INIT"), "0"); + replace_port(lut, ctx->id("A"), lc, ctx->id("A" + std::to_string(index))); + replace_port(lut, ctx->id("B"), lc, ctx->id("B" + std::to_string(index))); + replace_port(lut, ctx->id("C"), lc, ctx->id("C" + std::to_string(index))); + replace_port(lut, ctx->id("D"), lc, ctx->id("D" + std::to_string(index))); + replace_port(lut, ctx->id("Z"), lc, ctx->id("F" + std::to_string(index))); +} + NEXTPNR_NAMESPACE_END |