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ecp5: Add TERMINATION support

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Signed-off-by: David Shah <dave@ds0.me>
This commit is contained in:
David Shah 2019-02-16 10:06:07 +00:00 committed by David Shah
parent 491d64293d
commit fd52db813f
1 changed files with 16 additions and 0 deletions
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16
ecp5/bitstream.cc
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@ -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);