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Validate DSPs

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This commit is contained in:
Miodrag Milanovic 2024-06-20 10:29:22 +02:00
parent 1e08d7b931
commit db5d26c129
2 changed files with 48 additions and 0 deletions
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46
himbaechel/uarch/ng-ultra/pack.cc
View File

@ -1320,6 +1320,32 @@ void NgUltraPacker::pack_rams(void)
}
}
void NgUltraPacker::dsp_same_driver(IdString port, CellInfo *cell, CellInfo **target)
{
if (cell->getPort(port)) {
CellInfo *driver = cell->getPort(port)->driver.cell;
if (!driver->type.in(id_DSP, id_NX_DSP_U))
log_error("Port '%s' of '%s' can only be driven by DSP.\n", port.c_str(ctx), cell->name.c_str(ctx));
if (*target && *target != driver)
log_error("CAI1-24, CBI1-18, CZI1..56 and CCI must be from same DSP for '%s'.\n", cell->name.c_str(ctx));
*target = driver;
}
}
void NgUltraPacker::dsp_same_sink(IdString port, CellInfo *cell, CellInfo **target)
{
if (cell->getPort(port)) {
if (cell->getPort(port)->users.entries()!=1)
log_error("Port '%s' of '%s' can only drive one DSP.\n", port.c_str(ctx), cell->name.c_str(ctx));
CellInfo *driver = (*cell->getPort(port)->users.begin()).cell;
if (!driver->type.in(id_DSP, id_NX_DSP_U))
log_error("Port '%s' of '%s' can only drive DSP.\n", port.c_str(ctx), cell->name.c_str(ctx));
if (*target && *target != driver)
log_error("CAI1-24, CBI1-18, CZI1..56 and CCI must be from same DSP for '%s'.\n", cell->name.c_str(ctx));
*target = driver;
}
}
void NgUltraPacker::pack_dsps(void)
{
log_info("Packing DSPs..\n");
@ -1334,6 +1360,26 @@ void NgUltraPacker::pack_dsps(void)
if (p.second.type == PortType::PORT_IN)
disconnect_if_gnd(&ci, p.first);
}
// CAI1-24, CBI1-18, CZI1..56 and CCI must be from same DSP
CellInfo *dsp = nullptr;
for(int i=1;i<=24;i++)
dsp_same_driver(ctx->idf("CAI%d",i), &ci, &dsp);
for(int i=1;i<=18;i++)
dsp_same_driver(ctx->idf("CBI%d",i), &ci, &dsp);
for(int i=1;i<=56;i++)
dsp_same_driver(ctx->idf("CZI%d",i), &ci, &dsp);
dsp_same_driver(id_CCI, &ci, &dsp);
// CAO1-24, CBO1-18, CZO1..56 and CCO must go to same DSP
dsp = nullptr;
for(int i=1;i<=24;i++)
dsp_same_sink(ctx->idf("CAO%d",i), &ci, &dsp);
for(int i=1;i<=18;i++)
dsp_same_sink(ctx->idf("CBO%d",i), &ci, &dsp);
for(int i=1;i<=56;i++)
dsp_same_sink(ctx->idf("CZO%d",i), &ci, &dsp);
dsp_same_sink(id_CCO, &ci, &dsp);
}
}
void NgUltraPacker::setup()

2
himbaechel/uarch/ng-ultra/pack.h
View File

@ -93,6 +93,8 @@ private:
void flush_cells();
IdString assign_wfg(IdString ckg, IdString ckg2, CellInfo *cell);
void dsp_same_driver(IdString port, CellInfo *cell, CellInfo **target);
void dsp_same_sink(IdString port, CellInfo *cell, CellInfo **target);
void constrain_location(CellInfo *cell);
// Cell creating