diff options
| author | David Shah <dave@ds0.me> | 2018-11-11 10:22:57 +0000 |
|---|---|---|
| committer | David Shah <dave@ds0.me> | 2018-11-15 11:30:27 +0000 |
| commit | 084f9cf63f148a8af991c5827a25d239709ff0e6 (patch) | |
| tree | 2dc44fdf72917a06f3ca45b138d4474fe1fd6b59 /ecp5 | |
| parent | 0eba7d9789b0e9fa10c33349928608f59dbf9488 (diff) | |
| download | nextpnr-084f9cf63f148a8af991c5827a25d239709ff0e6.tar.gz nextpnr-084f9cf63f148a8af991c5827a25d239709ff0e6.tar.bz2 nextpnr-084f9cf63f148a8af991c5827a25d239709ff0e6.zip | |
ecp5: DCU clocking fixes
Signed-off-by: David Shah <dave@ds0.me>
Diffstat (limited to 'ecp5')
| -rw-r--r-- | ecp5/globals.cc | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/ecp5/globals.cc b/ecp5/globals.cc index c6cc7e57..66c62024 100644 --- a/ecp5/globals.cc +++ b/ecp5/globals.cc @@ -55,6 +55,9 @@ class Ecp5GlobalRouter { if (user.cell->type == id_TRELLIS_SLICE && (user.port == id_CLK || user.port == id_WCK)) return true; + if (user.cell->type == id_DCUA && (user.port == id_CH0_FF_RXI_CLK || user.port == id_CH1_FF_RXI_CLK || + user.port == id_CH0_FF_TXI_CLK || user.port == id_CH1_FF_TXI_CLK)) + return true; return false; } @@ -65,8 +68,11 @@ class Ecp5GlobalRouter NetInfo *ni = net.second.get(); clockCount[ni->name] = 0; for (const auto &user : ni->users) { - if (is_clock_port(user)) + if (is_clock_port(user)) { clockCount[ni->name]++; + if (user.cell->type == id_DCUA) + clockCount[ni->name] += 100; + } } // log_info("clkcount %s: %d\n", ni->name.c_str(ctx),clockCount[ni->name]); } @@ -379,7 +385,7 @@ class Ecp5GlobalRouter for (auto user : net->users) { if (user.port == id_CLKFB) { keep_users.push_back(user); - } else if (net->driver.cell->type == id_EXTREFB && user.cell->type == id_DCCA) { + } else if (net->driver.cell->type == id_EXTREFB && user.cell->type == id_DCUA) { keep_users.push_back(user); } else { glbnet->users.push_back(user); |