The-OpenROAD-Project · maliberty · Nov 5, 2025 · Oct 9, 2025 · Oct 9, 2025 · Oct 9, 2025
diff --git a/flow/designs/ihp-sg13g2/aes/rules-base.json b/flow/designs/ihp-sg13g2/aes/rules-base.json
@@ -140,4 +140,4 @@
         "value": 1054989,
         "compare": "<="
     }
-}
+}
diff --git a/flow/designs/ihp-sg13g2/gcd/constraint.sdc b/flow/designs/ihp-sg13g2/gcd/constraint.sdc
@@ -2,7 +2,7 @@ current_design gcd
 
 set clk_name core_clock
 set clk_port_name clk
-set clk_period 2.6
+set clk_period 2.8
 set clk_io_pct 0.2
 
 set clk_port [get_ports $clk_port_name]

diff --git a/flow/designs/ihp-sg13g2/gcd/rules-base.json b/flow/designs/ihp-sg13g2/gcd/rules-base.json
@@ -30,19 +30,19 @@
         "level": "warning"
     },
     "synth__design__instance__area__stdcell": {
-        "value": 5458.22361,
+        "value": 6828.9632,
         "compare": "<="
     },
     "constraints__clocks__count": {
         "value": 1,
         "compare": "=="
     },
     "placeopt__design__instance__area": {
-        "value": 6195,
+        "value": 7382,
         "compare": "<="
     },
     "placeopt__design__instance__count__stdcell": {
-        "value": 494,
+        "value": 614,
         "compare": "<="
     },
     "detailedplace__design__violations": {
@@ -94,7 +94,7 @@
         "compare": ">="
     },
     "detailedroute__route__wirelength": {
-        "value": 12621,
+        "value": 15132,
         "compare": "<="
     },
     "detailedroute__route__drc_errors": {
@@ -142,7 +142,7 @@
         "compare": ">="
     },
     "finish__design__instance__area": {
-        "value": 26057,
+        "value": 7693,
         "compare": "<="
     }
-}
+}
diff --git a/flow/designs/ihp-sg13g2/i2c-gpio-expander/I2cDeviceCtrl/pdn.tcl b/flow/designs/ihp-sg13g2/i2c-gpio-expander/I2cDeviceCtrl/pdn.tcl
@@ -25,14 +25,14 @@ global_connect
 set_voltage_domain -name {CORE} -power {VDD} -ground {VSS}
 
 # stdcell grid
-define_pdn_grid -name {grid} -voltage_domains {CORE}
+define_pdn_grid -name {grid} -voltage_domains {CORE} -pins {Metal4 Metal5}
 add_pdn_stripe -grid {grid} -layer {Metal1} -width {0.44} -pitch {7.56} -offset {0} \
-  -followpins -extend_to_core_ring
-add_pdn_ring -grid {grid} -layers {Metal3 Metal4} -widths {3.0} -spacings {2.0} \
+  -followpins
+add_pdn_ring -grid {grid} -layers {Metal4 Metal5} -widths {3.0} -spacings {2.0} \
   -core_offsets {4.5} -connect_to_pads
-add_pdn_stripe -grid {grid} -layer {Metal3} -width {1.840} -pitch {75.6} -offset {37.8} \
+add_pdn_stripe -grid {grid} -layer {Metal4} -width {1.840} -pitch {75.6} -offset {13.6} \
   -extend_to_core_ring
-add_pdn_stripe -grid {grid} -layer {Metal4} -width {1.840} -pitch {75.6} -offset {37.8} \
+add_pdn_stripe -grid {grid} -layer {Metal5} -width {1.840} -pitch {75.6} -offset {13.6} \
   -extend_to_core_ring
-add_pdn_connect -grid {grid} -layers {Metal1 Metal3}
-add_pdn_connect -grid {grid} -layers {Metal3 Metal4}
+add_pdn_connect -grid {grid} -layers {Metal1 Metal4}
+add_pdn_connect -grid {grid} -layers {Metal4 Metal5}
diff --git a/flow/designs/ihp-sg13g2/i2c-gpio-expander/config.mk b/flow/designs/ihp-sg13g2/i2c-gpio-expander/config.mk
@@ -8,14 +8,14 @@ export SDC_FILE = $(DESIGN_HOME)/$(PLATFORM)/$(DESIGN_NICKNAME)/constraint.sdc
 
 export SEAL_GDS = $(DESIGN_HOME)/$(PLATFORM)/$(DESIGN_NICKNAME)/sealring.gds.gz
 
-export DIE_AREA = 0.0 0.0 1050.0 1050.0
+export DIE_AREA = 0.0 0.0 1050.24 1050.84
 export CORE_AREA = 351.36 351.54 699.84 699.3
 
 export MAX_ROUTING_LAYER = TopMetal2
 
 export TNS_END_PERCENT = 100
 export PLACE_DENSITY = 0.75
-
+export MACRO_PLACE_HALO = 20 20
 export CORNERS = slow fast
 
 export FOOTPRINT_TCL = $(DESIGN_HOME)/$(PLATFORM)/$(DESIGN_NICKNAME)/pad.tcl

diff --git a/flow/designs/ihp-sg13g2/i2c-gpio-expander/constraint.sdc b/flow/designs/ihp-sg13g2/i2c-gpio-expander/constraint.sdc
@@ -10,6 +10,9 @@ create_clock [get_pins sg13g2_IOPad_io_clock/p2c] -name clk_core -period 20.0 -w
 set_clock_uncertainty 0.15 [get_clocks clk_core]
 set_clock_transition 0.25 [get_clocks clk_core]
 
+set input_delay_value_clk_core 4.0
+set output_delay_value_clk_core 4.0
+
 set clock_ports [get_ports {
 	io_clock_PAD
 }]
@@ -26,16 +29,16 @@ set clk_core_inout_16mA_ports [get_ports {
 	io_gpio_7_PAD
 }]
 set_driving_cell -lib_cell sg13g2_IOPadInOut16mA -pin pad $clk_core_inout_16mA_ports
-set_input_delay 8 -clock clk_core $clk_core_inout_16mA_ports
-set_output_delay 8 -clock clk_core $clk_core_inout_16mA_ports
+set_input_delay $input_delay_value_clk_core -clock clk_core $clk_core_inout_16mA_ports
+set_output_delay $output_delay_value_clk_core -clock clk_core $clk_core_inout_16mA_ports
 
 set clk_core_inout_4mA_ports [get_ports {
 	io_i2c_scl_PAD
 	io_i2c_sda_PAD
 }]
 set_driving_cell -lib_cell sg13g2_IOPadInOut4mA -pin pad $clk_core_inout_4mA_ports
-set_input_delay 8 -clock clk_core $clk_core_inout_4mA_ports
-set_output_delay 8 -clock clk_core $clk_core_inout_4mA_ports
+set_input_delay $input_delay_value_clk_core -clock clk_core $clk_core_inout_4mA_ports
+set_output_delay $output_delay_value_clk_core -clock clk_core $clk_core_inout_4mA_ports
 
 set clk_core_input_ports [get_ports {
 	io_reset_PAD
@@ -44,13 +47,13 @@ set clk_core_input_ports [get_ports {
 	io_address_2_PAD
 }]
 set_driving_cell -lib_cell sg13g2_IOPadIn -pin pad $clk_core_input_ports
-set_input_delay 8 -clock clk_core $clk_core_input_ports
+set_input_delay $input_delay_value_clk_core -clock clk_core $clk_core_input_ports
 
 set clk_core_output_4mA_ports [get_ports {
 	io_i2c_interrupt_PAD
 }]
 set_driving_cell -lib_cell sg13g2_IOPadOut4mA -pin pad $clk_core_output_4mA_ports
-set_output_delay 8 -clock clk_core $clk_core_output_4mA_ports
+set_output_delay $output_delay_value_clk_core -clock clk_core $clk_core_output_4mA_ports
 
 set_load -pin_load 5 [all_inputs]
 set_load -pin_load 5 [all_outputs]
diff --git a/flow/designs/ihp-sg13g2/i2c-gpio-expander/pdn.tcl b/flow/designs/ihp-sg13g2/i2c-gpio-expander/pdn.tcl
@@ -25,22 +25,20 @@ global_connect
 set_voltage_domain -name {CORE} -power {VDD} -ground {VSS}
 
 # stdcell grid
-define_pdn_grid -name {grid} -voltage_domains {CORE}
+define_pdn_grid -name {grid} -voltage_domains {CORE} -pins {TopMetal1 TopMetal2}
 add_pdn_stripe -grid {grid} -layer {Metal1} -width {0.44} -pitch {7.56} -offset {0} \
   -followpins -extend_to_core_ring
-add_pdn_ring -grid {grid} -layers {Metal5 TopMetal1} -widths {8.0} -spacings {5.0} \
+add_pdn_ring -grid {grid} -layers {TopMetal1 TopMetal2} -widths {8.0} -spacings {5.0} \
   -core_offsets {4.5} -connect_to_pads
-add_pdn_stripe -grid {grid} -layer {Metal5} -width {2.200} -pitch {75.6} -offset {37.8} \
+add_pdn_stripe -grid {grid} -layer {TopMetal1} -width {2.200} -pitch {75.6} -offset {13.6} \
   -extend_to_core_ring
-add_pdn_stripe -grid {grid} -layer {TopMetal1} -width {2.200} -pitch {75.6} -offset {37.8} \
+add_pdn_stripe -grid {grid} -layer {TopMetal2} -width {2.200} -pitch {75.6} -offset {13.6} \
   -extend_to_core_ring
-add_pdn_connect -grid {grid} -layers {Metal1 Metal5}
-add_pdn_connect -grid {grid} -layers {Metal5 TopMetal1}
-add_pdn_connect -grid {grid} -layers {Metal5 TopMetal2}
+add_pdn_connect -grid {grid} -layers {Metal1 TopMetal1}
 add_pdn_connect -grid {grid} -layers {TopMetal1 TopMetal2}
 
 define_pdn_grid \
   -name {CORE_macro_grid_1} -voltage_domains {CORE} \
   -macro -cells {I2cDeviceCtrl} -grid_over_boundary
-add_pdn_connect -grid {CORE_macro_grid_1} -layers {Metal3 TopMetal1}
 add_pdn_connect -grid {CORE_macro_grid_1} -layers {Metal4 TopMetal1}
+add_pdn_connect -grid {CORE_macro_grid_1} -layers {Metal5 TopMetal1}
diff --git a/flow/designs/ihp-sg13g2/i2c-gpio-expander/rules-base.json b/flow/designs/ihp-sg13g2/i2c-gpio-expander/rules-base.json
@@ -97,19 +97,19 @@
         "compare": "<="
     },
     "placeopt__design__instance__count__stdcell": {
-        "value": 965,
+        "value": 953,
         "compare": "<="
     },
     "detailedplace__design__violations": {
         "value": 0,
         "compare": "=="
     },
     "cts__design__instance__count__setup_buffer": {
-        "value": 84,
+        "value": 83,
         "compare": "<="
     },
     "cts__design__instance__count__hold_buffer": {
-        "value": 84,
+        "value": 83,
         "compare": "<="
     },
     "cts__timing__setup__ws": {
@@ -197,7 +197,7 @@
         "compare": ">="
     },
     "finish__design__instance__area": {
-        "value": 135675,
+        "value": 42034,
         "compare": "<="
     }
 }
diff --git a/flow/designs/ihp-sg13g2/ibex/config.mk b/flow/designs/ihp-sg13g2/ibex/config.mk
@@ -15,7 +15,7 @@ export SDC_FILE      = $(DESIGN_HOME)/$(PLATFORM)/$(DESIGN_NICKNAME)/constraint.
 # Adders degrade ibex setup repair
 export ADDER_MAP_FILE :=
 
-export CORE_UTILIZATION = 45
+export CORE_UTILIZATION = 35
 export PLACE_DENSITY_LB_ADDON = 0.2
 export TNS_END_PERCENT = 100
-export CTS_BUF_DISTANCE = 60
+export CTS_BUF_DISTANCE = 60
diff --git a/flow/designs/ihp-sg13g2/ibex/rules-base.json b/flow/designs/ihp-sg13g2/ibex/rules-base.json
@@ -1,29 +1,4 @@
 {
-    "detailedroute__flow__warnings__count:DRT-0349": {
-        "value": 10,
-        "compare": "<=",
-        "level": "warning"
-    },
-    "finish__flow__warnings__count:GUI-0076": {
-        "value": 1,
-        "compare": "<=",
-        "level": "warning"
-    },
-    "floorplan__flow__warnings__count:EST-0027": {
-        "value": 1,
-        "compare": "<=",
-        "level": "warning"
-    },
-    "floorplan__flow__warnings__count:IFP-0028": {
-        "value": 1,
-        "compare": "<=",
-        "level": "warning"
-    },
-    "globalroute__flow__warnings__count:DRT-0349": {
-        "value": 10,
-        "compare": "<=",
-        "level": "warning"
-    },
     "synth__design__instance__area__stdcell": {
         "value": 305820.24,
         "compare": "<="
@@ -89,7 +64,7 @@
         "compare": ">="
     },
     "detailedroute__route__wirelength": {
-        "value": 999955,
+        "value": 989089,
         "compare": "<="
     },
     "detailedroute__route__drc_errors": {
@@ -137,7 +112,7 @@
         "compare": ">="
     },
     "finish__design__instance__area": {
-        "value": 645302,
+        "value": 314511,
         "compare": "<="
     }
 }
diff --git a/flow/designs/ihp-sg13g2/jpeg/rules-base.json b/flow/designs/ihp-sg13g2/jpeg/rules-base.json
@@ -1,24 +1,4 @@
 {
-    "detailedroute__flow__warnings__count:DRT-0349": {
-        "value": 10,
-        "compare": "<=",
-        "level": "warning"
-    },
-    "finish__flow__warnings__count:GUI-0076": {
-        "value": 1,
-        "compare": "<=",
-        "level": "warning"
-    },
-    "floorplan__flow__warnings__count:IFP-0028": {
-        "value": 1,
-        "compare": "<=",
-        "level": "warning"
-    },
-    "globalroute__flow__warnings__count:DRT-0349": {
-        "value": 10,
-        "compare": "<=",
-        "level": "warning"
-    },
     "synth__design__instance__area__stdcell": {
         "value": 1499147.11,
         "compare": "<="
@@ -48,7 +28,7 @@
         "compare": "<="
     },
     "cts__timing__setup__ws": {
-        "value": -0.4,
+        "value": 0.0,
         "compare": ">="
     },
     "cts__timing__setup__tns": {
@@ -68,7 +48,7 @@
         "compare": "<="
     },
     "globalroute__timing__setup__ws": {
-        "value": -0.4,
+        "value": -0.0182,
         "compare": ">="
     },
     "globalroute__timing__setup__tns": {
@@ -96,7 +76,7 @@
         "compare": "<="
     },
     "detailedroute__antenna_diodes_count": {
-        "value": 166,
+        "value": 132,
         "compare": "<="
     },
     "detailedroute__timing__setup__ws": {
@@ -132,7 +112,7 @@
         "compare": ">="
     },
     "finish__design__instance__area": {
-        "value": 3104666,
+        "value": 1059270,
         "compare": "<="
     }
 }
-Original file line number
+Diff line change
@@ Expand Up / @@ -140,4 +140,4 @@ @@
             "value": 1054989,
             "compare": "<="
         }
-    }
+    }