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| author | David Shah <dave@ds0.me> | 2020-01-20 14:58:38 +0000 |
|---|---|---|
| committer | David Shah <dave@ds0.me> | 2020-01-20 14:58:38 +0000 |
| commit | 9dc8e1e35d7ab1226207b49e89a4de0194b39b81 (patch) | |
| tree | b90d15959b1874c653c5dd6eac59c0c38b085c2e | |
| parent | 84fec7e82fb76ba5efdfda1c3921889a599b13fe (diff) | |
| download | nextpnr-9dc8e1e35d7ab1226207b49e89a4de0194b39b81.tar.gz nextpnr-9dc8e1e35d7ab1226207b49e89a4de0194b39b81.tar.bz2 nextpnr-9dc8e1e35d7ab1226207b49e89a4de0194b39b81.zip | |
ecp5: Don't reroute existing globals
Signed-off-by: David Shah <dave@ds0.me>
| -rw-r--r-- | ecp5/globals.cc | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/ecp5/globals.cc b/ecp5/globals.cc index c0f4b504..6dbd7b6b 100644 --- a/ecp5/globals.cc +++ b/ecp5/globals.cc @@ -457,7 +457,8 @@ class Ecp5GlobalRouter log_info("Promoting globals...\n"); auto clocks = get_clocks(); for (auto clock : clocks) { - bool is_noglobal = bool_or_default(clock->attrs, ctx->id("noglobal"), false); + bool is_noglobal = bool_or_default(clock->attrs, ctx->id("noglobal"), false) || + bool_or_default(clock->attrs, ctx->id("ECP5_IS_GLOBAL"), false); if (is_noglobal) continue; log_info(" promoting clock net %s to global network\n", clock->name.c_str(ctx)); |