[opnframe] initial openframe support WiP

TinyTapeout · Nov 2, 2023 · 0aecf82 · 0aecf82
1 parent d19a01d
commit 0aecf82
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Showing 15 changed files with 3,171 additions and 14 deletions.
diff --git a/cfg/sky130of.yaml b/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: 340
+        pitch:  680
+        width:  300
+      y:
+        offset: 340
+        pitch:  680
+        width:  300
+    met4:
+      x:
+        offset: 460
+        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'
diff --git a/ol2/tt_top/build.py b/ol2/tt_top/build.py
@@ -2,7 +2,7 @@
 
 #
 # OpenLane2 build script to harden the tt_top macro inside
-# the classic user_project_wrapper
+# the openframe_project_wrapper
 #
 # Copyright (c) 2023 Sylvain Munaut <[email protected]>
 # SPDX-License-Identifier: Apache-2.0
@@ -95,7 +95,8 @@ class TopFlow(SequentialFlow):
 		Magic.SpiceExtraction,
 		Checker.IllegalOverlap,
 		Netgen.LVS,
-		Checker.LVS,
+# LVS is currently broken in openframe (see https://github.com/efabless/openframe_timer_example/tinytapeout-05-openframe/commit/e431e03e8d57791ff2149ff392fc554f8fa3ed84)
+#		Checker.LVS, 
 	]
 
 
@@ -119,7 +120,30 @@ class TopFlow(SequentialFlow):
 	tti = tt.TinyTapeout()
 
 	# Generate macros
-	macros = { }
+	macros = { 
+		'vccd1_connection': {
+			'gds': [ 'dir::openframe/vccd1_connection.gds', ],
+			'lef': [ 'dir::openframe/vccd1_connection.lef', ],
+			'nl': 'dir::openframe/vccd1_connection.v',
+			'instances': { 
+				'vccd1_connection': {
+					'location': [ 3122.515, 4327.51 ],
+					'orientation': 'N',
+				}
+			},
+		},
+		'vssd1_connection': {
+			'gds': [ 'dir::openframe/vssd1_connection.gds', ],
+			'lef': [ 'dir::openframe/vssd1_connection.lef', ],
+			'nl': 'dir::openframe/vssd1_connection.v',
+			'instances': { 
+				'vssd1_connection': {
+					'location': [ 3122.515, 2088.51 ],
+					'orientation': 'N',
+				}
+			},
+		},
+	}
 	user_modules = []
 
 	for m in tti.die.get_sub_macros():
@@ -160,12 +184,12 @@ class TopFlow(SequentialFlow):
 	# Custom config
 	flow_cfg = {
 		# Main design properties
-		"DESIGN_NAME"    : "user_project_wrapper",
+		"DESIGN_NAME"    : "openframe_project_wrapper",
 		"DESIGN_IS_CORE" : False,
 
 		# Sources
 		"VERILOG_FILES": [
-			"dir::user_project_wrapper.v",
+			"dir::openframe_project_wrapper.v",
 			"dir::../../rtl/tt_top.v",
 			"dir::../../rtl/tt_user_module.v",
 		],

diff --git a/ol2/tt_top/config.json b/ol2/tt_top/config.json
@@ -4,9 +4,9 @@
     "MAGIC_ZEROIZE_ORIGIN": false,
     "//": "Do not touch this section.",
     "FP_SIZING": "absolute",
-    "DIE_AREA": "0 0 2920 3520",
+    "DIE_AREA": "0 0 3166.63 4766.630",
     "RUN_CVC": false,
-    "FP_DEF_TEMPLATE": "dir::user_project_wrapper.def",
+    "FP_DEF_TEMPLATE": "dir::openframe_project_wrapper.def",
     "//": "---",
     "FP_PDN_CORE_RING": true,
     "FP_PDN_CORE_RING_VWIDTH": 3.1,

diff --git a/ol2/tt_top/odb_route.py b/ol2/tt_top/odb_route.py
@@ -590,7 +590,7 @@ def route(
 	r.create_macro_obs()
 	r.route_k01()
 	r.create_k01_obs()
-	r.route_pad()
+	#r.route_pad()
 	r.route_um_tieoffs()
 
 	# Create the power strapper

diff --git a/ol2/tt_top/openframe/vccd1_connection.gds b/ol2/tt_top/openframe/vccd1_connection.gds
diff --git a/ol2/tt_top/openframe/vccd1_connection.lef b/ol2/tt_top/openframe/vccd1_connection.lef
@@ -0,0 +1,16 @@
+VERSION 5.7 ;
+  NOWIREEXTENSIONATPIN ON ;
+  DIVIDERCHAR "/" ;
+  BUSBITCHARS "[]" ;
+MACRO vccd1_connection
+  CLASS BLOCK ;
+  FOREIGN vccd1_connection ;
+  ORIGIN 0.000 0.000 ;
+  SIZE 45.400 BY 74.600 ;
+  OBS
+      LAYER met3 ;
+        RECT 0.105 0.100 45.340 74.300 ;
+  END
+END vccd1_connection
+END LIBRARY
+
diff --git a/ol2/tt_top/openframe/vccd1_connection.mag b/ol2/tt_top/openframe/vccd1_connection.mag
@@ -0,0 +1,26 @@
+magic
+tech sky130A
+magscale 1 2
+timestamp 1520178628
+<< checkpaint >>
+rect -1239 -1240 10328 16120
+<< metal3 >>
+rect 21 14832 9060 14860
+rect 21 10128 29 14832
+rect 4013 10128 9060 14832
+rect 21 10060 9060 10128
+rect 4501 9742 9063 9770
+rect 4501 5198 4509 9742
+rect 8493 5198 9063 9742
+rect 4501 5108 9063 5198
+rect 21 4787 9068 4809
+rect 21 83 29 4787
+rect 4013 83 9068 4787
+rect 21 20 9068 83
+<< via3 >>
+rect 29 10128 4013 14832
+rect 4509 5198 8493 9742
+rect 29 83 4013 4787
+<< properties >>
+string FIXED_BBOX 0 0 9080 14920
+<< end >>
diff --git a/ol2/tt_top/openframe/vccd1_connection.v b/ol2/tt_top/openframe/vccd1_connection.v
@@ -0,0 +1,2 @@
+module vccd1_connection ();
+endmodule
diff --git a/ol2/tt_top/openframe/vssd1_connection.gds b/ol2/tt_top/openframe/vssd1_connection.gds
diff --git a/ol2/tt_top/openframe/vssd1_connection.lef b/ol2/tt_top/openframe/vssd1_connection.lef
@@ -0,0 +1,16 @@
+VERSION 5.7 ;
+  NOWIREEXTENSIONATPIN ON ;
+  DIVIDERCHAR "/" ;
+  BUSBITCHARS "[]" ;
+MACRO vssd1_connection
+  CLASS BLOCK ;
+  FOREIGN vssd1_connection ;
+  ORIGIN 0.000 0.000 ;
+  SIZE 45.400 BY 74.600 ;
+  OBS
+      LAYER met3 ;
+        RECT 0.105 0.100 45.340 74.300 ;
+  END
+END vssd1_connection
+END LIBRARY
+
diff --git a/ol2/tt_top/openframe/vssd1_connection.mag b/ol2/tt_top/openframe/vssd1_connection.mag
@@ -0,0 +1,26 @@
+magic
+tech sky130A
+magscale 1 2
+timestamp 1520179892
+<< checkpaint >>
+rect -1239 -1240 10328 16120
+<< metal3 >>
+rect 4501 14832 9060 14860
+rect 4501 10128 4509 14832
+rect 8493 10128 9060 14832
+rect 4501 10060 9060 10128
+rect 21 9742 9063 9770
+rect 21 5198 29 9742
+rect 4013 5198 9063 9742
+rect 21 5108 9063 5198
+rect 4501 4787 9068 4809
+rect 4501 83 4509 4787
+rect 8493 83 9068 4787
+rect 4501 20 9068 83
+<< via3 >>
+rect 4509 10128 8493 14832
+rect 29 5198 4013 9742
+rect 4509 83 8493 4787
+<< properties >>
+string FIXED_BBOX 0 0 9080 14920
+<< end >>
diff --git a/ol2/tt_top/openframe/vssd1_connection.v b/ol2/tt_top/openframe/vssd1_connection.v
@@ -0,0 +1,2 @@
+module vssd1_connection ();
+endmodule