Merge pull request #323 from yrabbit/pll-script

Fix PLL parameter generation script

Author: yrabbit

.github/workflows/chipdb.yml

@@ -271,7 +271,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        yosys: [main, yosys-0.44]
+        yosys: [main, v0.51]
         nextpnr: [master, nextpnr-0.8]
     steps:
     - uses: actions/checkout@v4

apycula/gowin_pll.py

@@ -249,7 +249,7 @@ def main():
         for FBDIV_SEL in range(64):
             for ODIV_SEL in [2, 4, 8, 16, 32, 48, 64, 80, 96, 112, 128]:
                 PFD = FCLKIN / (IDIV_SEL + 1)
-                if not (limits["pfd_min"] < PFD < limits["pfd_max"]):
+                if not (limits["pfd_min"] <= PFD <= limits["pfd_max"]):
                     continue
                 CLKOUT = FCLKIN * (FBDIV_SEL + 1) / (IDIV_SEL + 1)
                 if not (limits["clkout_min"] < CLKOUT < limits["clkout_max"]):