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bitstream emission update

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This commit is contained in:
Lofty 2023-03-30 03:24:03 +01:00 committed by myrtle
parent 235a575267
commit 398b2ab569
2 changed files with 69 additions and 23 deletions
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13
machxo2/arch.h
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@ -549,6 +549,19 @@ struct Arch : BaseArch<ArchRanges>
IdString get_wire_basename(WireId wire) const { return id(tile_info(wire)->wire_data[wire.index].name.get()); }
WireId get_wire_by_loc_basename(Location loc, std::string basename) const
{
WireId wireId;
wireId.location = loc;
for (int i = 0; i < tile_info(wireId)->wire_data.ssize(); i++) {
if (tile_info(wireId)->wire_data[i].name.get() == basename) {
wireId.index = i;
return wireId;
}
}
return WireId();
}
// Pips
PipId getPipByName(IdStringList name) const override;
IdStringList getPipName(PipId pip) const override;

79
machxo2/bitstream.cc
View File

@ -514,34 +514,67 @@ void write_bitstream(Context *ctx, std::string text_config_file)
continue;
}
BelId bel = ci->bel;
if (ci->type == id_TRELLIS_SLICE) {
if (ci->type == id_TRELLIS_COMB) {
pool<IdString> used_phys_pins;
std::string tname = ctx->get_tile_by_type_loc(bel.location.y, bel.location.x, "PLC");
std::string slice = ctx->tile_info(bel)->bel_data[bel.index].name.get();
int z = ctx->tile_info(bel)->bel_data[bel.index].z >> Arch::lc_idx_shift;
std::string slice = std::string("SLICE") + "ABCD"[z / 2];
std::string lc = std::to_string(z % 2);
std::string mode = str_or_default(ci->params, id_MODE, "LOGIC");
if (mode == "RAMW_BLOCK")
return;
int lut_init = int_or_default(ci->params, id_INITVAL);
cc.tiles[tname].add_enum(slice + ".MODE", mode);
cc.tiles[tname].add_word(slice + ".K" + lc + ".INIT", int_to_bitvector(lut_init, 16));
if (mode == "CCU2") {
cc.tiles[tname].add_enum(slice + ".CCU2.INJECT1_" + lc, str_or_default(ci->params, id_CCU2_INJECT1, "YES"));
} else {
// Don't interfere with cascade mux wiring
cc.tiles[tname].add_enum(slice + ".CCU2.INJECT1_" + lc, "_NONE_");
}
if (mode == "DPRAM" && slice == "SLICEA" && lc == "0") {
cc.tiles[tname].add_enum(slice + ".WREMUX", str_or_default(ci->params, id_WREMUX, "WRE"));
std::string wckmux = str_or_default(ci->params, id_WCKMUX, "WCK");
wckmux = (wckmux == "WCK") ? "CLK" : wckmux;
cc.tiles[tname].add_enum("CLK1.CLKMUX", wckmux);
}
} else if (ci->type == id_TRELLIS_FF) {
std::string tname = ctx->get_tile_by_type_loc(bel.location.y, bel.location.x, "PLC");
int z = ctx->tile_info(bel)->bel_data[bel.index].z >> Arch::lc_idx_shift;
std::string slice = std::string("SLICE") + "ABCD"[z / 2];
std::string lc = std::to_string(z % 2);
NPNR_ASSERT(slice.substr(0, 5) == "SLICE");
int int_index = slice[5] - 'A';
NPNR_ASSERT(int_index >= 0 && int_index < 4);
int lut0_init = int_or_default(ci->params, id_LUT0_INITVAL);
int lut1_init = int_or_default(ci->params, id_LUT1_INITVAL);
cc.tiles[tname].add_word(slice + ".K0.INIT", int_to_bitvector(lut0_init, 16));
cc.tiles[tname].add_word(slice + ".K1.INIT", int_to_bitvector(lut1_init, 16));
cc.tiles[tname].add_enum(slice + ".MODE", str_or_default(ci->params, id_MODE, "LOGIC"));
cc.tiles[tname].add_enum(slice + ".GSR", str_or_default(ci->params, id_GSR, "ENABLED"));
cc.tiles[tname].add_enum("LSR" + std::to_string(int_index) + ".SRMODE",
str_or_default(ci->params, id_SRMODE, "LSR_OVER_CE"));
cc.tiles[tname].add_enum(slice + ".CEMUX", intstr_or_default(ci->params, id_CEMUX, "1"));
cc.tiles[tname].add_enum("CLK" + std::to_string(int_index) + ".CLKMUX",
intstr_or_default(ci->params, id_CLKMUX, "0"));
cc.tiles[tname].add_enum("LSR" + std::to_string(int_index) + ".LSRMUX",
str_or_default(ci->params, id_LSRMUX, "LSR"));
cc.tiles[tname].add_enum("LSR" + std::to_string(int_index) + ".LSRONMUX",
intstr_or_default(ci->params, id_LSRONMUX, "LSRMUX"));
cc.tiles[tname].add_enum(slice + ".REGMODE", str_or_default(ci->params, id_REGMODE, "FF"));
cc.tiles[tname].add_enum(slice + ".REG0.SD", intstr_or_default(ci->params, id_REG0_SD, "0"));
cc.tiles[tname].add_enum(slice + ".REG1.SD", intstr_or_default(ci->params, id_REG1_SD, "0"));
cc.tiles[tname].add_enum(slice + ".REG0.REGSET", str_or_default(ci->params, id_REG0_REGSET, "RESET"));
cc.tiles[tname].add_enum(slice + ".REG1.REGSET", str_or_default(ci->params, id_REG1_REGSET, "RESET"));
cc.tiles[tname].add_enum(slice + ".REG" + lc + ".SD", intstr_or_default(ci->params, id_SD, "0"));
cc.tiles[tname].add_enum(slice + ".REG" + lc + ".REGSET", str_or_default(ci->params, id_REGSET, "RESET"));
cc.tiles[tname].add_enum(slice + ".CEMUX", str_or_default(ci->params, id_CEMUX, "1"));
NetInfo *lsrnet = ci->getPort(id_LSR);
if (ctx->getBoundWireNet(ctx->get_wire_by_loc_basename(bel.location, "LSR0")) == lsrnet) {
cc.tiles[tname].add_enum("LSR0.LSRMUX", str_or_default(ci->params, id_LSRMUX, "LSR"));
cc.tiles[tname].add_enum("LSR0.LSRONMUX", str_or_default(ci->params, id_LSRONMUX, "LSRMUX"));
}
if (ctx->getBoundWireNet(ctx->get_wire_by_loc_basename(bel.location, "LSR1")) == lsrnet) {
cc.tiles[tname].add_enum("LSR1.LSRMUX", str_or_default(ci->params, id_LSRMUX, "LSR"));
cc.tiles[tname].add_enum("LSR1.LSRONMUX", str_or_default(ci->params, id_LSRONMUX, "LSRMUX"));
}
NetInfo *clknet = ci->getPort(id_CLK);
if (ctx->getBoundWireNet(ctx->get_wire_by_loc_basename(bel.location, "CLK0")) == clknet) {
cc.tiles[tname].add_enum("CLK0.CLKMUX", str_or_default(ci->params, id_CLKMUX, "0"));
}
if (ctx->getBoundWireNet(ctx->get_wire_by_loc_basename(bel.location, "CLK1")) == clknet) {
cc.tiles[tname].add_enum("CLK1.CLKMUX", str_or_default(ci->params, id_CLKMUX, "0"));
}
} else if (ci->type == id_TRELLIS_RAMW) {
std::string tname = ctx->get_tile_by_type_loc(bel.location.y, bel.location.x, "PLC2");
cc.tiles[tname].add_enum("SLICEC.MODE", "RAMW");
cc.tiles[tname].add_word("SLICEC.K0.INIT", std::vector<bool>(16, false));
cc.tiles[tname].add_word("SLICEC.K1.INIT", std::vector<bool>(16, false));
} else if (ci->type == id_TRELLIS_IO) {
std::string pio = ctx->tile_info(bel)->bel_data[bel.index].name.get();
std::string iotype = str_or_default(ci->attrs, id_IO_TYPE, "LVCMOS33");