caiyu/nextpnr
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

create io cells out of asc

Browse Source
This commit is contained in:
Miodrag Milanovic 2018-07-21 17:54:35 +02:00
parent 912a79dc33
commit 57c63e6921
1 changed files with 27 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

27
ice40/bitstream.cc
View File

@ -691,6 +691,26 @@ bool read_asc(Context *ctx, std::istream &in)
// TODO: Add port mapping to nets and assign values of properties
}
}
if (ctx->getBelType(bel) == TYPE_SB_IO) {
const TileInfoPOD &ti = bi.tiles_nonrouting[TILE_IO];
const BelInfoPOD &beli = ci.bel_data[bel.index];
int x = beli.x, y = beli.y, z = beli.z;
bool isUsed = false;
for (int i = 0; i < 6; i++) {
isUsed |= get_config(ti, config.at(y).at(x),
"IOB_" + std::to_string(z) + ".PINTYPE_" + std::to_string(i));
}
bool neg_trigger = get_config(ti, config.at(y).at(x), "NegClk");
isUsed |= neg_trigger;
if (isUsed) {
std::unique_ptr<CellInfo> created = create_ice_cell(ctx, ctx->id("SB_IO"));
IdString name = created->name;
ctx->cells[name] = std::move(created);
ctx->bindBel(bel, name, STRENGTH_WEAK);
// TODO: Add port mapping to nets and assign values of properties
}
}
}
// Add cells that are without change in initial state of configuration
for (auto &net : ctx->nets) {
@ -706,6 +726,13 @@ bool read_asc(Context *ctx, std::istream &in)
ctx->bindBel(belpin.bel, name, STRENGTH_WEAK);
// TODO: Add port mapping to nets
}
if (ctx->getBelType(belpin.bel) == TYPE_SB_IO) {
std::unique_ptr<CellInfo> created = create_ice_cell(ctx, ctx->id("SB_IO"));
IdString name = created->name;
ctx->cells[name] = std::move(created);
ctx->bindBel(belpin.bel, name, STRENGTH_WEAK);
// TODO: Add port mapping to nets
}
if (ctx->getBelType(belpin.bel) == TYPE_SB_GB) {
std::unique_ptr<CellInfo> created = create_ice_cell(ctx, ctx->id("SB_GB"));
IdString name = created->name;