[gf180mcu]Update pin names

For gf180mcu there are only two rings named vdd and vss.

crlcore/src/ccore/lefdef/DefImport.cpp

@@ -182,7 +182,11 @@ namespace {
     defrSetSNetCbk         ( _snetCbk );
     defrSetPathCbk         ( _pathCbk );
 
-    if (DataBase::getDB()->getTechnology()->getName() == "Sky130") _flags |= Sky130;
+    if ( (DataBase::getDB()->getTechnology()->getName() == "Sky130")
+         || (DataBase::getDB()->getTechnology()->getName() == "gf180mcu")
+    ) {
+      _flags |= Sky130;
+    }
   }
 
 

cumulus/src/CMakeLists.txt

@@ -74,6 +74,7 @@
                                        ${CMAKE_CURRENT_SOURCE_DIR}/plugins/alpha/core2chip/niolib.py
                                        ${CMAKE_CURRENT_SOURCE_DIR}/plugins/alpha/core2chip/libresocio.py
                                        ${CMAKE_CURRENT_SOURCE_DIR}/plugins/alpha/core2chip/sky130.py
+                                       ${CMAKE_CURRENT_SOURCE_DIR}/plugins/alpha/core2chip/gf180mcu.py
                   )
               set ( pyPluginAlphaChip  ${CMAKE_CURRENT_SOURCE_DIR}/plugins/alpha/chip/__init__.py
                                        ${CMAKE_CURRENT_SOURCE_DIR}/plugins/alpha/chip/configuration.py

cumulus/src/plugins/alpha/chip/__init__.py

@@ -281,13 +281,29 @@ class CoreWire ( object ):
                                  , wwidthM5
                                  )
             else:
-                hChip = Horizontal.create( self.chipNet
-                                         , self.padSegment.getLayer()
-                                         , self.bbSegment.getCenter().getY()
-                                         , self.bbSegment.getHeight()
-                                         , xPadMin
-                                         , xPadMax
-                                         )
+                # hChip = Horizontal.create( self.chipNet
+                #                          , self.padSegment.getLayer()
+                #                          , self.bbSegment.getCenter().getY()
+                #                          , self.bbSegment.getHeight()
+                #                          , xPadMin
+                #                          , xPadMax
+                #                          )
+                if self.side == West:
+                    hChip = Horizontal.create( self.chipNet
+                                            , self.padSegment.getLayer()
+                                            , self.bbSegment.getCenter().getY()
+                                            , self.bbSegment.getHeight()
+                                            , xPadMin
+                                            , xPadMax
+                                            )
+                else:
+                    hChip = Horizontal.create( self.chipNet
+                                            , self.padSegment.getLayer()
+                                            , self.bbSegment.getCenter().getY()
+                                            , self.bbSegment.getHeight()
+                                            , xPadMin + 3*vPitch
+                                            , xPadMax
+                                            )
             trace( 550, '\tself.arraySize: %s\n' % str(self.arraySize) )
             if self.arraySize:
                 contacts = self.conf.coronaContactArray( self.chipNet
@@ -314,7 +330,7 @@ class CoreWire ( object ):
                 vStrapBb = contact.getBoundingBox( padLayer )
                 coronaTransf.applyOn( vStrapBb )
             if self.arraySize:
-                if self.side == West: xContact = min( xContact, vStrapBb.getXMin() )
+                if self.side == West: xContact = min( xContact, vStrapBb.getXMin() - vPitch )
                 else:                 xContact = max( xContact, vStrapBb.getXMax() )
             hCorona = self.conf.coronaHorizontal( self.chipNet
                                                 , self.symSegmentLayer
@@ -333,10 +349,10 @@ class CoreWire ( object ):
                                      , DbU.fromLambda( 1.0 )
                                      , self.bbSegment.getHeight()
                                      )
-            hChipBb = hChip.getBoundingBox( padLayer )
+            hChipBb = hChip.getBoundingBox()
             vStrapBb.merge( vStrapBb.getXMin(), hChipBb.getYMin() )
             vStrapBb.merge( vStrapBb.getXMin(), hChipBb.getYMax() )
-            hCoronaBb = hCorona.getBoundingBox( padLayer )
+            hCoronaBb = hCorona.getBoundingBox()
             self.conf.icorona.getTransformation().applyOn( hCoronaBb )
             vStrapBb.merge( vStrapBb.getXMin(), hCoronaBb.getYMin() )
             vStrapBb.merge( vStrapBb.getXMin(), hCoronaBb.getYMax() )

cumulus/src/plugins/alpha/core2chip/gf180mcu.py

@@ -0,0 +1,292 @@
+
+# This file is part of the Coriolis Software.
+# Copyright (c) Sorbonne Université 2020-2021, All Rights Reserved
+#
+# +-----------------------------------------------------------------+
+# |                   C O R I O L I S                               |
+# |      C u m u l u s  -  P y t h o n   T o o l s                  |
+# |                                                                 |
+# |  Author      :                    Jean-Paul CHAPUT              |
+# |  E-mail      :            Jean-Paul.Chaput@lip6.fr              |
+# | =============================================================== |
+# |  Python      :       "./plugins/core2chip/sky130.py"            |
+# +-----------------------------------------------------------------+
+
+"""
+Core2Chip configuration for the Sky130 harness.
+"""
+
+import sys
+import re
+from   Hurricane  import DbU, DataBase, UpdateSession, Breakpoint, \
+                         Transformation , Box, Instance , Net,     \
+                         Contact
+import Viewer     
+from   CRL             import Catalog
+from   CRL             import AllianceFramework, DefImport
+from   helpers         import trace, l, u, n
+from   helpers.io      import ErrorMessage, WarningMessage
+from   helpers.overlay import CfgCache, UpdateSession
+import plugins.alpha.chip
+from   plugins.alpha.block.configuration import IoPin, GaugeConf
+from   plugins.alpha.core2chip.core2chip import CoreToChip as BaseCoreToChip, \
+                                                IoNet, IoPad
+
+
+# -------------------------------------------------------------------
+# Class : "MatchHarnessIos".
+
+class MatchHarnessIos ( object ):
+    """
+    In case the connections of the core to the I/O pins are not specified
+    (empty ioPadsSpecs list), try to guess the connection by names.
+
+    .. note:: Currently, only matching with the (io_in,io_out,io_oeb),
+              power and clock are supported.
+    """
+
+    def __init__ ( self, coreToChip ):
+        self.coreToChip = coreToChip
+        self.digitalIos = []
+        for i in range(38):
+            self.digitalIos.append( [None, None, None] )
+        self.clock      = None
+        self.digitalVdd = None
+        self.digitalVss = None
+
+    @property
+    def conf ( self ): return self.coreToChip.conf
+
+    def matchCore ( self ):
+        print( '  o  Using implicit Caravel harness connections.' )
+        reIoIn = re.compile( r'^(?P<name>\w+)\((?P<index>\d+)\)$' )
+        for net in self.conf.core.getNets():
+            if not net.isExternal(): continue
+            if net.isClock():
+                self.clock = net
+                continue
+            if net.isPower():
+                self.digitalVdd = net
+                continue
+            if net.isGround():
+                self.digitalVss = net
+                continue
+            m = reIoIn.match( net.getName() )
+            if m:
+                index = int( m.group('index') )
+                if index >= 38:
+                    continue
+                if m.group('name') == 'io_in':
+                    self.digitalIos[ index ][0] = net
+                elif m.group('name') == 'io_out':
+                    self.digitalIos[ index ][1] = net
+                elif m.group('name') == 'io_oeb':
+                    self.digitalIos[ index ][2] = net
+                else:
+                    print( WarningMessage('Unable to match "{}" into harness net.'.format( net.getName() )))
+            else:
+                print( WarningMessage('Unable to match "{}" into harness net.'.format( net.getName() )))
+        if self.digitalVdd:
+            self.conf.chipConf.addIoPad( (None, None, 'power_0', 'vdd', self.digitalVdd.getName()), 0 )
+        else:
+            print( WarningMessage('Missing digital power net in "{}".'.format(self.conf.core.getName())) )
+        if self.digitalVss:
+            self.conf.chipConf.addIoPad( (None, None, 'ground_0', 'vss', self.digitalVss.getName()), 0 )
+        else:
+            print( WarningMessage('Missing digital ground net in "{}".'.format(self.conf.core.getName())) )
+        if self.clock:
+            self.conf.chipConf.addIoPad( (None, None, None, 'user_clock2', self.clock.getName()), 0 )
+        else:
+            print( WarningMessage('Missing digital clock net in "{}".'.format(self.conf.core.getName())) )
+        for i in range(38):
+            ioNets = self.digitalIos[ i ]
+            if ioNets[0] and ioNets[1] and ioNets[2]:
+                self.conf.chipConf.addIoPad( ( None, None, None, ioNets[0].getName()
+                                                               , ioNets[0].getName()
+                                                               , ioNets[1].getName()
+                                                               , ioNets[2].getName() ), 0 )
+            elif ioNets[0] and not ioNets[1] and not ioNets[2]:
+                self.conf.chipConf.addIoPad( ( None, None, None, ioNets[0].getName()
+                                                               , ioNets[0].getName() ), 0 )
+            elif not ioNets[0] and not ioNets[1] and ioNets[2]:
+                self.conf.chipConf.addIoPad( ( None, None, None, ioNets[2].getName()
+                                                               , ioNets[2].getName() ), 0 )
+            elif not ioNets[0] and not ioNets[1] and not ioNets[2]:
+                continue
+            else:
+                print( WarningMessage( [ 'Incomplete digital connexion to I/O pad "{}".'.format(index)
+                                         , '* In :{}'.format( ioNets[0] )
+                                         , '* Out:{}'.format( ioNets[1] )
+                                         , '* OEb:{}'.format( ioNets[2] ) ]))
+
+
+# --------------------------------------------------------------------
+# Class  :  "sky130.CoreToChip"
+
+class CoreToChip ( BaseCoreToChip ):
+    """
+    Provide harness-specific part for SkyWater 130 (works in real mode).
+    Emulate the behavior of I/O pads.
+    """
+    rePadType = re.compile(r'(?P<type>.+)_(?P<index>[\d]+)$')
+
+    def __init__ ( self, core ):
+        self.ioPadNames = { 'bidir' :'IOHarnessInOut'
+                          , 'analog':'IOHarnessAnalog'
+                          , 'vdd'   :'IOHarnessVdd'
+                          , 'vss'   :'IOHarnessVss'
+                          , 'iovdd' :'IOHarnessIOVdd'
+                          , 'iovss' :'IOHarnessIOVss'
+                          }
+        BaseCoreToChip.__init__ ( self, core )
+        self.conf.useHarness = True
+        self.ringNetNames = { 'vss' : None
+                            , 'vdd' : None
+                            }
+        self.ioPadInfos   = [ BaseCoreToChip.IoPadInfo( IoPad.BIDIR
+                                                      , self.ioPadNames['bidir']
+                                                      , 'pad', ['io_in', 'io_out', 'io_oeb'] )
+                            , BaseCoreToChip.IoPadInfo( IoPad.ANALOG
+                                                      , self.ioPadNames['analog']
+                                                      , 'pad', ['pad', 'padres'] )
+                            ]
+        self._getPadLib()
+        if self.conf.chipConf.ioPadsCount() == 0:
+            MatchHarnessIos( self ).matchCore()
+        return
+
+    def _getPadLib ( self ):
+        return None
+
+    def getNetType ( self, netName ):
+        if netName.startswith('vss') or netName.startswith('vee'): return Net.Type.GROUND
+        if netName.startswith('vdd') or netName.startswith('vcc'): return Net.Type.POWER
+        return Net.Type.LOGICAL
+
+    def isGlobal ( self, netName ):
+        if netName in self.ringNetNames: return True
+        return False
+
+    def getCell ( self, masterCellName ):
+        raise NotImplementedError( 'coreToChip.getCell(): Harness does not provides I/O pad cells.' )
+
+    def _buildCoreGroundPads ( self, ioPadConf ):
+        trace( 550, '\tsky130.CoreToChip._buildGroundPowerPads()\n' )
+        coreNet   = self.core  .getNet( ioPadConf.coreSupplyNetName )
+        coronaNet = self.corona.getNet( ioPadConf.coreSupplyNetName )
+        chipNet   = self.chip  .getNet( ioPadConf.padSupplyNetName )
+        if not coronaNet:
+            coronaNet = Net.create( self.corona, ioPadConf.coreSupplyNetName )
+            coronaNet.setExternal ( True )
+            coronaNet.setGlobal   ( True )
+            coronaNet.setDirection( Net.Direction.IN )
+            coronaNet.setType     ( Net.Type.GROUND )
+            self.icore.getPlug( coreNet ).setNet( coronaNet  )
+            trace( 550, '\tCreated corona ground net: {}\n'.format(coronaNet) )
+        if not chipNet:
+            raise ErrorMessage( 1, 'Harness do not provide ground net ""{}' \
+                                   .format( ioPadConf.padSupplyNetName ))
+        coronaPlug = self.icorona.getPlug( coronaNet )
+        if not coronaPlug.getNet():
+            coronaPlug.setNet( chipNet  )
+        self.groundPadCount += 1
+
+    def _buildCorePowerPads ( self, ioPadConf ):
+        trace( 550, '\tsky130.CoreToChip._buildCorePowerPads()\n' )
+        coreNet   = self.core  .getNet( ioPadConf.coreSupplyNetName )
+        coronaNet = self.corona.getNet( ioPadConf.coreSupplyNetName )
+        chipNet   = self.chip  .getNet( ioPadConf.padSupplyNetName )
+        if not coronaNet:
+            coronaNet = Net.create( self.corona, ioPadConf.coreSupplyNetName )
+            coronaNet.setExternal ( True )
+            coronaNet.setGlobal   ( True )
+            coronaNet.setDirection( Net.Direction.IN )
+            coronaNet.setType     ( Net.Type.POWER )
+            self.icore.getPlug( coreNet ).setNet( coronaNet  )
+            trace( 550, '\tCreated corona power net: {}\n'.format(coronaNet) )
+        if not chipNet:
+            raise ErrorMessage( 1, 'Harness do not provide power net ""{}' \
+                                   .format( ioPadConf.padSupplyNetName ))
+            self.icorona.getPlug( coronaNet ).setNet( chipNet  )
+        coronaPlug = self.icorona.getPlug( coronaNet )
+        if not coronaPlug.getNet():
+            coronaPlug.setNet( chipNet  )
+        self.powerPadCount += 1
+
+    def _buildClockPads ( self, ioPadConf ):
+        """For "Sky130" there is no specialized clock I/O pad. So do nothing."""
+        pass
+
+    def _connectClocks ( self ):
+        """For "Sky130" there is no pad internal clock ring. So do nothing."""
+        pass
+
+    def _loadHarness ( self ):
+        """
+        Load the DEF file containing the reference harness layout.
+        Remove the supplied internal power grid and slightly shrink
+        the central P&R area so that I/O pins are fully outside of it.
+        """
+        self.harness = DefImport.load( self.conf.cfg.harness.path )
+        # For gf180mcu the rings are drawn inside the AbutmentBox
+        Ab = self.harness.getAbutmentBox()
+        innerAb  = Box( Ab.getXMin(), Ab.getYMin()
+                      , Ab.getXMax() - u(20.0), Ab.getYMax() - u(20.0)
+                      )
+        wholeBb  = self.harness.getBoundingBox()
+        filterBb = Box( wholeBb.getXMin(), innerAb.getYMin()
+                      , wholeBb.getXMax(), innerAb.getYMax() )
+        components = []
+        for component in self.harness.getComponentsUnder( filterBb ):
+            if component.getNet().isSupply() and filterBb.contains( component.getBoundingBox() ):
+                components.append( component )
+        for instance in self.harness.getInstancesUnder( filterBb ):
+            components.append( instance )
+        with UpdateSession():
+            for component in components:
+                component.destroy()
+        components = []
+        filterBb = Box( innerAb.getXMin(), wholeBb.getYMin()
+                      , innerAb.getXMax(), wholeBb.getYMax() )
+        for component in self.harness.getComponentsUnder( filterBb ):
+            if component.getNet().isSupply() and filterBb.contains( component.getBoundingBox() ):
+                components.append( component )
+        for instance in self.harness.getInstancesUnder( filterBb ):
+            components.append( instance )
+        with UpdateSession():
+            for component in components:
+                component.destroy()
+            areaXMin = innerAb.getXMin()
+            areaYMin = innerAb.getYMin()
+            areaXMax = innerAb.getXMax()
+            areaYMax = innerAb.getYMax()
+            for net in self.harness.getNets():
+                if net.isSupply(): continue
+                for component in net.getComponents():
+                    trace( 550, '\t| {}\n'.format(component) )
+                    bb   = component.getBoundingBox()
+                    side = None
+                    if bb.getXMin() < innerAb.getXMin():
+                        areaXMin = max( areaXMin, bb.getXMax() )
+                        side     = IoPin.WEST
+                    if bb.getXMax() > innerAb.getXMax():
+                        areaXMax = min( areaXMax, bb.getXMin() )
+                        side     = IoPin.EAST
+                    if bb.getYMin() < innerAb.getYMin():
+                        areaYMin = max( areaYMin, bb.getYMax() )
+                        side     = IoPin.SOUTH
+                    if bb.getYMax() > innerAb.getYMax():
+                        areaYMax = min( areaYMax, bb.getYMin() )
+                        side     = IoPin.NORTH
+                    trace( 550, '\tside: {} {}\n'.format(side,type(component)) )
+                    if side and isinstance(component,Contact):
+                        trace( 550, '\tAdded on {} side: {}\n'.format(side,component) )
+                        self.conf.chipConf.addHarnessPin( component, side )
+            area = Box( areaXMin, areaYMin, areaXMax, areaYMax )
+            area.inflate( - self.conf.hRoutingGauge.getPitch()*2
+                        , - self.conf.vRoutingGauge.getPitch()*2 )
+            xmodulo = area.getWidth () % self.conf.sliceStep
+            ymodulo = area.getHeight() % self.conf.sliceHeight
+            area.inflate( 0, 0, -xmodulo, -ymodulo )
+            self.harness.setAbutmentBox( area )
+        return self.harness

katana/src/PowerRails.cpp

@@ -498,7 +498,7 @@ namespace {
           delta = plane->getLayerGauge()->getPitch();
         }
       }
-      if (AllianceFramework::get()->getCellGauge()->getName() == Name("StdCellLib")) {
+      if (AllianceFramework::get()->getCellGauge()->getName()._getString().substr(0, 10) == "StdCellLib") {
         delta = plane->getLayerGauge()->getPitch();
       }
     }