Fix PDN Config

~ Configure PDN as a macro ~ Update OpenLane 2 to Beta 14 ~ Fix bug where `odbpy` returns a goddamn pointer to an int64
AUCOHL · Sep 21, 2023 · fd08a20 · fd08a20
1 parent 8f08a1c
commit fd08a20
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Showing 4 changed files with 8 additions and 7 deletions.
diff --git a/dffram.py b/dffram.py
@@ -352,7 +352,8 @@ def main(
             "FP_IO_VEXTEND": Decimal(0),
             "FP_IO_VLENGTH": 2,
             "FP_IO_HLENGTH": 2,
-            "STA_CORNERS": ["nom_ss_100C_1v60"],
+            # PDN
+            "DESIGN_IS_CORE": False,
         },
         design_dir=build_dir,
     )

diff --git a/placeram/cli.py b/placeram/cli.py
@@ -183,9 +183,9 @@ def place(self):
         utl.metric_float("dffram__suggested__core_width", self.core_width)
         utl.metric_float("dffram__suggested__core_height", self.core_height)
 
-        die_area = self.block.getDieArea().area() / (
-            self.micron_in_units * self.micron_in_units
-        )
+        die_width = self.block.getDieArea().dx() / self.micron_in_units
+        die_height = self.block.getDieArea().dy() / self.micron_in_units
+        die_area = die_width * die_height
 
         self.density = logical_area / die_area
         utl.metric_float("dffram__logic__density", self.density)

diff --git a/requirements.txt b/requirements.txt
@@ -1,3 +1,3 @@
-openlane==2.0.0b3
+openlane==2.0.0b14
 pyyaml
 cloup
diff --git a/shell.nix b/shell.nix
@@ -18,6 +18,6 @@
 let openlane-src = pkgs.fetchFromGitHub {
     owner = "efabless";
     repo = "openlane2";
-    rev = "0b2cb7eb6681b644e65082701175044e6e97cc0f";
-    sha256 = "sha256-qYMZJGRfqNhf0FFf2VdF2AOsAqVTlWLrYlc3krvKp0I=";
+    rev = "0c05b7ea04eac74203a9a33f8a8b519f33220f2f";
+    sha256 = "sha256-fjYz6HuIYrGbkb1oA6wPIlEjieYU5hu0aygYQFj2d2I=";
 }; in import "${openlane-src}/shell.nix" {}