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| author | David Shah <davey1576@gmail.com> | 2018-06-22 19:21:39 +0200 |
|---|---|---|
| committer | David Shah <davey1576@gmail.com> | 2018-06-22 19:21:39 +0200 |
| commit | 8850f86a8ab23de1274f05b1729c106f875f693a (patch) | |
| tree | 3834d0f2e6cb74d8a7558449de0b8a1f3cf4dabf /ice40/cells.cc | |
| parent | 6a783ef94f31eb47cbf6c14b0e8793638d90dc88 (diff) | |
| download | nextpnr-8850f86a8ab23de1274f05b1729c106f875f693a.tar.gz nextpnr-8850f86a8ab23de1274f05b1729c106f875f693a.tar.bz2 nextpnr-8850f86a8ab23de1274f05b1729c106f875f693a.zip | |
ice40: SB_LFOSC support, fabric routing only
Signed-off-by: David Shah <davey1576@gmail.com>
Diffstat (limited to 'ice40/cells.cc')
| -rw-r--r-- | ice40/cells.cc | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/ice40/cells.cc b/ice40/cells.cc index 3f94d4ba..0ae25e12 100644 --- a/ice40/cells.cc +++ b/ice40/cells.cc @@ -106,11 +106,26 @@ CellInfo *create_ice_cell(Context *ctx, IdString type, std::string name) add_port(ctx, new_cell, "RADDR_" + std::to_string(i), PORT_IN); add_port(ctx, new_cell, "WADDR_" + std::to_string(i), PORT_IN); } + } else if (type == ctx->id("ICESTORM_LFOSC")) { + add_port(ctx, new_cell, "CLKLFEN", PORT_IN); + add_port(ctx, new_cell, "CLKLFPU", PORT_IN); + add_port(ctx, new_cell, "CLKLF", PORT_OUT); + add_port(ctx, new_cell, "CLKLF_FABRIC", PORT_OUT); + } else if (type == ctx->id("ICESTORM_HFOSC")) { + new_cell->params[ctx->id("CLKHF_DIV")] = "0"; + new_cell->params[ctx->id("TRIM_EN")] = "0"; + + add_port(ctx, new_cell, "CLKHFEN", PORT_IN); + add_port(ctx, new_cell, "CLKHFPU", PORT_IN); + add_port(ctx, new_cell, "CLKHF", PORT_OUT); + add_port(ctx, new_cell, "CLKHF_FABRIC", PORT_OUT); + for (int i = 0; i < 10; i++) + add_port(ctx, new_cell, "TRIM" + std::to_string(i), PORT_IN); } else if (type == ctx->id("SB_GB")) { add_port(ctx, new_cell, "USER_SIGNAL_TO_GLOBAL_BUFFER", PORT_IN); add_port(ctx, new_cell, "GLOBAL_BUFFER_OUTPUT", PORT_OUT); } else { - log_error("unable to create iCE40 cell of type %s", type.c_str()); + log_error("unable to create iCE40 cell of type %s", type.c_str(ctx)); } return new_cell; } @@ -124,7 +139,7 @@ void lut_to_lc(const Context *ctx, CellInfo *lut, CellInfo *lc, bool no_dff) replace_port(lut, "I3", lc, "I3"); if (no_dff) { replace_port(lut, "O", lc, "O"); - lc->params["DFF_ENABLE"] = "0"; + lc->params[ctx->id("DFF_ENABLE")] = "0"; } } |