Merge pull request #41 from siliconcompiler/set-units

Set units
siliconcompiler · Apr 24, 2024 · 1dfcfb7 · 1dfcfb7
2 parents acd000b + b2f7a5b
commit 1dfcfb7
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Showing 7 changed files with 25 additions and 166 deletions.
diff --git a/lambdapdk/asap7/libs/asap7sc7p5t.py b/lambdapdk/asap7/libs/asap7sc7p5t.py
@@ -96,6 +96,13 @@ def _setup_lib(chip, libname, suffix):
     lib.set('option', 'var', 'openroad_cts_distance_between_buffers', "60")
 
     lib.set('option', 'var', 'yosys_abc_clock_multiplier', "1")  # convert from ps -> ps
+
+    cap_table = {  # BUFx2_ASAP7_75t_
+        'R': 0.506500,
+        'L': 0.519810,
+        'SL': 0.533411
+    }
+    lib.set('option', 'var', 'yosys_abc_constraint_load', f"{4 * cap_table[suffix]}fF")
     lib.set('option', 'var', 'yosys_driver_cell', f"BUFx2_ASAP7_75t_{suffix}")
     lib.set('option', 'var', 'yosys_buffer_cell', f"BUFx2_ASAP7_75t_{suffix}")
     lib.set('option', 'var', 'yosys_buffer_input', "A")

diff --git a/lambdapdk/freepdk45/libs/nangate45.py b/lambdapdk/freepdk45/libs/nangate45.py
@@ -88,6 +88,7 @@ def setup(chip):
             libdir + '/apr/openroad/global_connect.tcl')
 
     lib.set('option', 'var', 'yosys_abc_clock_multiplier', "1000")  # convert from ns -> ps
+    lib.set('option', 'var', 'yosys_abc_constraint_load', "3.898fF")  # BUF_X1 = 0.974659 x 4
     lib.set('option', 'var', 'yosys_driver_cell', "BUF_X4")
     lib.set('option', 'var', 'yosys_buffer_cell', "BUF_X1")
     lib.set('option', 'var', 'yosys_buffer_input', "A")

diff --git a/lambdapdk/gf180/libs/gf180mcu.py b/lambdapdk/gf180/libs/gf180mcu.py
@@ -115,6 +115,12 @@ def setup(chip):
         lib.set('option', 'var', 'openroad_cts_distance_between_buffers', "100")
 
         lib.set('option', 'var', 'yosys_abc_clock_multiplier', "1000")  # convert from ns -> ps
+
+        cap_table = {  # __buf_1
+            '7t': 2.521,
+            '9t': 3.673
+        }
+        lib.set('option', 'var', 'yosys_abc_constraint_load', f"{4 * cap_table[libtype]}fF")
         lib.set('option', 'var', 'yosys_driver_cell', f"gf180mcu_fd_sc_mcu{libtype}5v0__buf_4")
         lib.set('option', 'var', 'yosys_buffer_cell', f"gf180mcu_fd_sc_mcu{libtype}5v0__buf_4")
         lib.set('option', 'var', 'yosys_buffer_input', "I")

diff --git a/lambdapdk/sky130/libs/sky130hd.py b/lambdapdk/sky130/libs/sky130hd.py
diff --git a/lambdapdk/sky130/libs/sky130sc.py b/lambdapdk/sky130/libs/sky130sc.py
@@ -163,6 +163,13 @@ def setup(chip):
         lib.set('option', 'var', 'openroad_cts_clock_buffer', f"sky130_fd_sc_{libtype}__clkbuf_4")
 
         lib.set('option', 'var', 'yosys_abc_clock_multiplier', "1000")  # convert from ns -> ps
+
+        cap_table = {
+            'hd': 1.872,
+            'hdll': 1.911
+        }
+        lib.set('option', 'var', 'yosys_abc_constraint_load', f"{4 * cap_table[libtype]}fF")
+
         lib.set('option', 'var', 'yosys_driver_cell', f"sky130_fd_sc_{libtype}__buf_4")
         lib.set('option', 'var', 'yosys_buffer_cell', f"sky130_fd_sc_{libtype}__buf_4")
         lib.set('option', 'var', 'yosys_buffer_input', "A")

diff --git a/tests/test_lambda.py b/tests/test_lambda.py
@@ -5,13 +5,12 @@
 from lambdapdk.asap7.libs import asap7sc7p5t, fakeram7
 from lambdapdk.freepdk45.libs import nangate45, fakeram45
 from lambdapdk.gf180.libs import gf180mcu, gf180io, gf180sram
-from lambdapdk.sky130.libs import sky130hd, sky130sc, sky130io, sky130sram
+from lambdapdk.sky130.libs import sky130sc, sky130io, sky130sram
 
 
 @pytest.mark.parametrize('module,path', [
     (asap7sc7p5t, 'lambdapdk/asap7/libs/{lib_name}/lambda'),
     (nangate45, 'lambdapdk/freepdk45/libs/{lib_name}/lambda'),
-    (sky130hd, 'lambdapdk/sky130/libs/{lib_name}/lambda'),
     (sky130sc, 'lambdapdk/sky130/libs/{lib_name}/lambda'),
     (gf180mcu, 'lambdapdk/gf180/libs/{lib_name}/lambda')
     ])
@@ -48,7 +47,7 @@ def test_la_iolib(path):
     asap7sc7p5t, fakeram7,
     nangate45, fakeram45,
     gf180mcu, gf180io, gf180sram,
-    sky130hd, sky130sc, sky130io, sky130sram
+    sky130sc, sky130io, sky130sram
 ])
 def test_lambdalib_is_present(module):
     chip = Chip('<lib>')

diff --git a/tests/test_paths.py b/tests/test_paths.py
@@ -4,7 +4,7 @@
 from lambdapdk import asap7, freepdk45, sky130, gf180
 from lambdapdk.asap7.libs import asap7sc7p5t, fakeram7
 from lambdapdk.freepdk45.libs import nangate45, fakeram45
-from lambdapdk.sky130.libs import sky130hd, sky130sc, sky130io, sky130sram
+from lambdapdk.sky130.libs import sky130sc, sky130io, sky130sram
 from lambdapdk.gf180.libs import gf180mcu, gf180io, gf180sram
 
 
@@ -18,7 +18,7 @@ def test_pdk_paths(pdk):
 @pytest.mark.parametrize('lib', [
     asap7sc7p5t, fakeram7,  # asap7
     nangate45, fakeram45,  # freepdk45
-    sky130hd, sky130sc, sky130io, sky130sram,  # sky130
+    sky130sc, sky130io, sky130sram,  # sky130
     gf180mcu, gf180io, gf180sram  # gf180
     ])
 def test_lib_paths(lib):