[openframe] initial openframe support WiP

cfg/sky130of.yaml

@@ -0,0 +1,88 @@
+pdk:
+  die:
+    width: 3166630 
+    height: 4766630
+    margin:
+      left:   3680
+      right:  250310
+      top:    5440
+      bottom: 1252070
+  site:
+    width:  460
+    height: 2720
+  pwrgate:
+    vdd:
+      width: 9200
+  tracks:
+    li1:
+      x:
+        offset: 230
+        pitch:  460
+        width:  170
+      y:
+        offset: 170
+        pitch:  340
+        width:  170
+    met1:
+      x:
+        offset: 170
+        pitch:  340
+        width:  140
+      y:
+        offset: 170
+        pitch:  340
+        width:  140
+    met2:
+      x:
+        offset: 230
+        pitch:  460
+        width:  140
+      y:
+        offset: 230
+        pitch:  460
+        width:  140
+    met3:
+      x:
+        offset: 840
+        pitch:  680
+        width:  300
+      y:
+        offset: 840
+        pitch:  680
+        width:  300
+    met4:
+      x:
+        offset: 46000
+        pitch:  920
+        width:  300
+      y:
+        offset: 460
+        pitch:  920
+        width:  300
+    met5:
+      x:
+        offset: 1700
+        pitch:  3400
+        width:  1600
+      y:
+        offset: 1700
+        pitch:  3400
+        width:  1600
+tt:
+  grid:     # In number of blocks
+    x: 16   # Must be divisible by 4
+    y: 24   # Must be EVEN
+  block:
+    w: -1
+    h: -1
+  margin:   # In 'sites'
+    x: 4
+    y: 1
+  uio:
+    a:   8
+    i:  10
+    o:   8
+    io:  8
+  spine:
+    vlayer: 'met4'
+    hlayer: 'met3'

ol2/tt_top/.gitignore

@@ -5,3 +5,4 @@ gds/*.gds
 verilog/*.v
 spef/*.spef
 config-tmp.json
+CustomApplyDEFTemplate/__pycache__

ol2/tt_top/CustomApplyDEFTemplate/__init__.py

@@ -0,0 +1,37 @@
+import os
+from openlane.steps import Step
+from openlane.steps.odb import ApplyDEFTemplate
+from .__version__ import __version__
+from typing import List, Optional
+from openlane.config import Variable
+
+
+@Step.factory.register()
+class CustomApplyDEFTemplate(ApplyDEFTemplate):
+    """
+    This is a custom step that overrides the ApplyDEFTemplate step, to a custom apply_def_template.py
+    This custom step is for openframe to generate the correct power pins
+    """
+
+    id = "CustomApplyDEFTemplate.CustomApplyDEFTemplate"
+    name = "Custom Apply DEF Template"
+
+    config_vars = ApplyDEFTemplate.config_vars + [
+        Variable(
+            "FP_TEMPLATE_PINS",
+            Optional[List[str]],
+            "Adds Pins that will be forced into the design from the def template",
+        ),
+    ]
+
+    def get_script_path(self):
+        return os.path.join(os.path.dirname(os.path.abspath(__file__)), "apply_def_template.py")
+
+    def get_command(self) -> List[str]:
+        template_args = []
+        for pin in self.config["FP_TEMPLATE_PINS"]:
+            template_args.append("-t")
+            template_args.append(pin)
+        template_args.append("-d")
+        template_args.append(self.config["FP_DEF_TEMPLATE"])
+        return super().get_command() + template_args

ol2/tt_top/CustomApplyDEFTemplate/__version__.py

@@ -0,0 +1,17 @@
+# Copyright 2023 Efabless Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+__version__ = "1.0.0"
+
+if __name__ == "__main__":
+    print(__version__, end="")

ol2/tt_top/CustomApplyDEFTemplate/apply_def_template.py

@@ -0,0 +1,45 @@
+#!/usr/bin/env python3
+# Copyright 2020 Efabless Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+import sys
+import os
+from openlane.common.misc import get_openlane_root
+sys.path.insert(0, os.path.join(get_openlane_root(), "scripts", "odbpy"))
+
+import defutil_ol2
+
+from reader import click_odb, click
+
+
+@click.command()
+@click.option("-d", "--def-template", required=True, help="Template DEF")
+@click.option("-t", "--template-pins", required=True, multiple=True, help="Template DEF")
+@click_odb
+def cli(reader, input_lefs, def_template, template_pins):
+    defutil_ol2.relocate_pins(
+        reader.db,
+        input_lefs,
+        def_template,
+        template_pins
+    )
+
+    defutil_ol2.move_diearea(
+        reader.db,
+        input_lefs,
+        def_template,
+    )
+
+
+if __name__ == "__main__":
+    cli()