ecp5: Add IDDRX2DQA support
Signed-off-by: David Shah <dave@ds0.me>
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4e49ab1625
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30
ecp5/pack.cc
30
ecp5/pack.cc
@ -1856,6 +1856,36 @@ class Ecp5Packer
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process_dqs_port(ci, pio, iol, ci->type == ctx->id("ODDRX2DQSB") ? id_DQSW : id_DQSW270);
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pio->params[ctx->id("DATAMUX_MDDR")] = "IOLDO";
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packed_cells.insert(cell.first);
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} else if (ci->type == ctx->id("IDDRX2DQA")) {
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CellInfo *pio = net_driven_by(ctx, ci->ports.at(ctx->id("D")).net, is_trellis_io, id_O);
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if (pio == nullptr || ci->ports.at(ctx->id("D")).net->users.size() > 1)
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log_error("IDDRX2DQA '%s' D input must be connected only to a top level input\n",
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ci->name.c_str(ctx));
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CellInfo *iol;
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if (pio_iologic.count(pio->name))
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iol = pio_iologic.at(pio->name);
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else
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iol = create_pio_iologic(pio, ci);
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set_iologic_mode(iol, "MIDDRX_MODDRX");
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replace_port(ci, ctx->id("D"), iol, id_PADDI);
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set_iologic_sclk(iol, ci, ctx->id("SCLK"), true);
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set_iologic_eclk(iol, ci, id_ECLK);
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set_iologic_lsr(iol, ci, ctx->id("RST"), true);
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replace_port(ci, ctx->id("Q0"), iol, id_RXDATA0);
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replace_port(ci, ctx->id("Q1"), iol, id_RXDATA1);
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replace_port(ci, ctx->id("Q2"), iol, id_RXDATA2);
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replace_port(ci, ctx->id("Q3"), iol, id_RXDATA3);
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replace_port(ci, ctx->id("QWL"), iol, id_INFF);
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iol->params[ctx->id("GSR")] = str_or_default(ci->params, ctx->id("GSR"), "DISABLED");
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iol->params[ctx->id("MIDDRX.MODE")] = "MIDDRX2";
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process_dqs_port(ci, pio, iol, id_DQSR90);
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process_dqs_port(ci, pio, iol, id_RDPNTR2);
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process_dqs_port(ci, pio, iol, id_RDPNTR1);
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process_dqs_port(ci, pio, iol, id_RDPNTR0);
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process_dqs_port(ci, pio, iol, id_WRPNTR2);
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process_dqs_port(ci, pio, iol, id_WRPNTR1);
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process_dqs_port(ci, pio, iol, id_WRPNTR0);
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packed_cells.insert(cell.first);
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}
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}
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flush_cells();
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