trenz_tec0117: Add clock constraints.

2021-07-15 11:07:05 +02:00 · 2021-07-15 11:07:05 +02:00 · a74b6e83f7
parent 6648b2f907
commit a74b6e83f7
1 changed files with 5 additions and 0 deletions
--- a/litex_boards/platforms/trenz_tec0117.py
+++ b/litex_boards/platforms/trenz_tec0117.py
@ -89,3 +89,8 @@ class Platform(GowinPlatform):

    def create_programmer(self):
        return OpenFPGALoader("littlebee")
+
+    def do_finalize(self, fragment):
+        GowinPlatform.do_finalize(self, fragment)
+        self.add_period_constraint(self.lookup_request("clk12",  loose=True), 1e9/12e6)
+        self.add_period_constraint(self.lookup_request("clk100", loose=True), 1e9/100e6)