diff options
Diffstat (limited to 'ice40/pack.cc')
| -rw-r--r-- | ice40/pack.cc | 42 |
1 files changed, 38 insertions, 4 deletions
diff --git a/ice40/pack.cc b/ice40/pack.cc index feca8a77..07c003d1 100644 --- a/ice40/pack.cc +++ b/ice40/pack.cc @@ -159,7 +159,7 @@ static void pack_carries(Context *ctx) exhausted_cells.find(usr.cell->name) == exhausted_cells.end()) { // This clause stops us double-packing cells i0_matches.insert(usr.cell->name); - if (!i1_net) { + if (!i1_net && !usr.cell->ports.at(ctx->id("I2")).net) { // I1 is don't care when disconnected, duplicate I0 i1_matches.insert(usr.cell->name); } @@ -174,7 +174,7 @@ static void pack_carries(Context *ctx) exhausted_cells.find(usr.cell->name) == exhausted_cells.end()) { // This clause stops us double-packing cells i1_matches.insert(usr.cell->name); - if (!i0_net) { + if (!i0_net && !usr.cell->ports.at(ctx->id("I1")).net) { // I0 is don't care when disconnected, duplicate I1 i0_matches.insert(usr.cell->name); } @@ -717,6 +717,30 @@ static void pack_special(Context *ctx) NetInfo *pad_packagepin_net = nullptr; + int pllout_a_used = 0; + int pllout_b_used = 0; + for (auto port : ci->ports) { + PortInfo &pi = port.second; + if (pi.name == ctx->id("PLLOUTCOREA")) + pllout_a_used++; + if (pi.name == ctx->id("PLLOUTCOREB")) + pllout_b_used++; + if (pi.name == ctx->id("PLLOUTCORE")) + pllout_a_used++; + if (pi.name == ctx->id("PLLOUTGLOBALA")) + pllout_a_used++; + if (pi.name == ctx->id("PLLOUTGLOBALB")) + pllout_b_used++; + if (pi.name == ctx->id("PLLOUTGLOBAL")) + pllout_a_used++; + } + + if (pllout_a_used > 1) + log_error("PLL '%s' is using multiple ports mapping to PLLOUT_A output of the PLL\n", ci->name.c_str(ctx)); + + if (pllout_b_used > 1) + log_error("PLL '%s' is using multiple ports mapping to PLLOUT_B output of the PLL\n", ci->name.c_str(ctx)); + for (auto port : ci->ports) { PortInfo &pi = port.second; std::string newname = pi.name.str(ctx); @@ -730,10 +754,20 @@ static void pack_special(Context *ctx) newname = "PLLOUT_B"; if (pi.name == ctx->id("PLLOUTCORE")) newname = "PLLOUT_A"; + if (pi.name == ctx->id("PLLOUTGLOBALA")) + newname = "PLLOUT_A"; + if (pi.name == ctx->id("PLLOUTGLOBALB")) + newname = "PLLOUT_B"; + if (pi.name == ctx->id("PLLOUTGLOBAL")) + newname = "PLLOUT_A"; + + if (pi.name == ctx->id("PLLOUTGLOBALA") || pi.name == ctx->id("PLLOUTGLOBALB") || pi.name == ctx->id("PLLOUTGLOBAL")) + log_warning("PLL '%s' is using port %s but implementation does not actually " + "use the global clock output of the PLL\n", ci->name.c_str(ctx), pi.name.str(ctx).c_str()); if (pi.name == ctx->id("PACKAGEPIN")) { if (!is_pad) { - log_error("PLL '%s' has a PACKAGEPIN but is not a PAD PLL", ci->name.c_str(ctx)); + log_error("PLL '%s' has a PACKAGEPIN but is not a PAD PLL\n", ci->name.c_str(ctx)); } else { // We drop this port and instead place the PLL adequately below. pad_packagepin_net = port.second.net; @@ -743,7 +777,7 @@ static void pack_special(Context *ctx) } if (pi.name == ctx->id("REFERENCECLK")) { if (!is_core) - log_error("PLL '%s' has a REFERENCECLK but is not a CORE PLL", ci->name.c_str(ctx)); + log_error("PLL '%s' has a REFERENCECLK but is not a CORE PLL\n", ci->name.c_str(ctx)); } if (packed->ports.count(ctx->id(newname)) == 0) { |