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| author | David Shah <dave@ds0.me> | 2019-02-16 10:06:07 +0000 |
|---|---|---|
| committer | David Shah <davey1576@gmail.com> | 2019-02-24 10:28:25 +0100 |
| commit | fd52db813f2e4c3dd3c6a73a84be56ad9f9a11ea (patch) | |
| tree | 93c3d3d5135c52f48c0cc6c8e127de5bfd2227f7 | |
| parent | 491d64293dc3b96e2428515b51c408c817c9b803 (diff) | |
| download | nextpnr-fd52db813f2e4c3dd3c6a73a84be56ad9f9a11ea.tar.gz nextpnr-fd52db813f2e4c3dd3c6a73a84be56ad9f9a11ea.tar.bz2 nextpnr-fd52db813f2e4c3dd3c6a73a84be56ad9f9a11ea.zip | |
ecp5: Add TERMINATION support
Signed-off-by: David Shah <dave@ds0.me>
| -rw-r--r-- | ecp5/bitstream.cc | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/ecp5/bitstream.cc b/ecp5/bitstream.cc index 170eaefd..d425914e 100644 --- a/ecp5/bitstream.cc +++ b/ecp5/bitstream.cc @@ -788,6 +788,22 @@ void write_bitstream(Context *ctx, std::string base_config_file, std::string tex cc.tiles[pio_tile].add_enum(pio + ".SLEWRATE", str_or_default(ci->attrs, ctx->id("SLEWRATE"), "SLOW")); if (ci->attrs.count(ctx->id("PULLMODE"))) cc.tiles[pio_tile].add_enum(pio + ".PULLMODE", str_or_default(ci->attrs, ctx->id("PULLMODE"), "NONE")); + if (ci->attrs.count(ctx->id("TERMINATION"))) { + auto vccio = get_vccio(ioType_from_str(iotype)); + switch(vccio) { + case IOVoltage::VCC_1V8: + cc.tiles[pio_tile].add_enum(pio + ".TERMINATION_1V8", str_or_default(ci->attrs, ctx->id("TERMINATION"), "OFF")); + break; + case IOVoltage::VCC_1V5: + cc.tiles[pio_tile].add_enum(pio + ".TERMINATION_1V5", str_or_default(ci->attrs, ctx->id("TERMINATION"), "OFF")); + break; + case IOVoltage::VCC_1V35: + cc.tiles[pio_tile].add_enum(pio + ".TERMINATION_1V35", str_or_default(ci->attrs, ctx->id("TERMINATION"), "OFF")); + break; + default: + log_error("TERMINATION is not supported with Vcc = %s (on PIO %s)\n", iovoltage_to_str(vccio).c_str(), ci->name.c_str(ctx)); + } + } std::string datamux_oddr = str_or_default(ci->params, ctx->id("DATAMUX_ODDR"), "PADDO"); if (datamux_oddr != "PADDO") cc.tiles[pic_tile].add_enum(pio + ".DATAMUX_ODDR", datamux_oddr); |