Commit 3858461b authored by Jean-Paul Chaput's avatar Jean-Paul Chaput
Browse files

Added support for analog pad in Core2Chip & libresocio.

parent fd67ca6c
#
# This file is part of the Coriolis Software.
# Copyright (c) SU 2020-2020, All Rights Reserved
#
......@@ -629,6 +629,7 @@ class IoPadConf ( object ):
def isClock ( self ): return self.flags & IoPadConf.CLOCK
def isTristate ( self ): return self.flags & IoPadConf.TRISTATE
def isBidir ( self ): return self.flags & IoPadConf.BIDIR
def isAnalog ( self ): return self._datas[0] & IoPin.ANALOG
def __repr__ ( self ):
s = '<IoPadConf {} iopad="{}" from="{}"'.format(self.instanceName,self.padNetName,self.fromCoreNetName)
......@@ -920,6 +921,7 @@ class IoPin ( object ):
WEST = 0x0008
A_BEGIN = 0x0010
A_END = 0x0020
ANALOG = 0x0040
A_MASK = A_BEGIN|A_END
SIDE_MASK = EAST|WEST|NORTH|SOUTH
......@@ -931,7 +933,8 @@ class IoPin ( object ):
, (IoPin.EAST , 'EAST' )
, (IoPin.WEST , 'WEST' )
, (IoPin.A_BEGIN, 'A_BEGIN')
, (IoPin.A_END , 'A_END' ) ):
, (IoPin.A_END , 'A_END' )
, (IoPin.ANALOG , 'ANALOG' ) ):
if value & constant:
if len(s): s += '|'
s += 'IoPin.'+name
......
......@@ -86,6 +86,7 @@ class IoNet ( object ):
IsElem = 0x0001
IsEnable = 0x0002
IsAnalog = 0x0004
DoExtNet = 0x0008
PadPassthrough = 0x0010
reVHDLVector = re.compile( r'(?P<name>[^(]*)\((?P<index>[\d]+)\)$' )
......@@ -116,6 +117,7 @@ class IoNet ( object ):
def isElem ( self ): return self._flags & IoNet.IsElem
def isEnable ( self ): return self._flags & IoNet.IsEnable
def isAnalog ( self ): return self._flags & IoNet.IsAnalog
def isGlobal ( self ): return self.isGlobal( self._name )
def isSpecial ( self ): return self._type != Net.Type.LOGICAL
def setFlags ( self, flags ): self._flags |= flags
......@@ -137,9 +139,9 @@ class IoNet ( object ):
def coronaNetName ( self ):
s = self._name
if self.coreNet.getDirection() & Net.Direction.IN:
s += '_from_pad'
s += '_from_pad'
elif self.coreNet.getDirection() & Net.Direction.OUT:
s += '_to_pad'
s += '_to_pad'
if self._flags & IoNet.IsElem: s += '({})'.format(self._index)
return s
......@@ -169,6 +171,10 @@ class IoNet ( object ):
if state == True: self._flags |= IoNet.IsEnable
else: self._flags &= ~IoNet.IsEnable
def setAnalog ( self, state ):
if state == True: self._flags |= IoNet.IsAnalog
else: self._flags &= ~IoNet.IsAnalog
def buildNets ( self ):
"""
Creates the signals in corona and chip Cells, then connect them
......@@ -189,13 +195,15 @@ class IoNet ( object ):
self.coreToChip.icore.getPlug( self.coreNet ).setNet( self.coronaNet )
# Chip "internal" net, connect Corona instance net to I/O inside the chip.
if not self.chipIntNet:
internal_net = "internal_" + self.coronaNetName
self.chipIntNet = Net.create( self.coreToChip.chip, internal_net )
chipIntNetName = "internal_" + self.coronaNetName
if self._flags & IoNet.IsAnalog:
chipIntNetName = self.coronaNetName
self.chipIntNet = Net.create( self.coreToChip.chip, chipIntNetName )
if netType != Net.Type.LOGICAL:
self.chipIntNet.setType( netType )
self.coreToChip.icorona.getPlug( self.coronaNet ).setNet( self.chipIntNet )
# Chip "external" net, connected to the pad I/O to the outside world.
if self._flags & IoNet.PadPassthrough:
if self._flags & (IoNet.PadPassthrough | IoNet.IsAnalog):
self.chipExtNet = self.chipIntNet
elif not self.chipExtNet and (self._flags & IoNet.DoExtNet):
self.chipExtNet = self.coreToChip.chip.getNet( self.chipExtNetName )
......@@ -225,7 +233,8 @@ class IoPad ( object ):
OUT = 0x0002
BIDIR = 0x0004
TRI_OUT = 0x0008
UNSUPPORTED = 0x0010
ANALOG = 0x0010
UNSUPPORTED = 0x0020
@staticmethod
def directionToStr ( direction ):
......@@ -233,6 +242,7 @@ class IoPad ( object ):
if direction == IoPad.OUT: return "OUT"
if direction == IoPad.BIDIR: return "BIDIR"
if direction == IoPad.TRI_OUT: return "TRI_OUT"
if direction == IoPad.ANALOG: return "ANALOG"
if direction == IoPad.UNSUPPORTED: return "UNSUPPORTED"
return "Invalid value"
......@@ -254,6 +264,7 @@ class IoPad ( object ):
s = '<IoPad "{}" '.format(self.padInstanceName)
for ioNet in self.nets:
s += ' {}'.format(ioNet.coreNetName)
s += ' direction={}'.format(self.direction)
s += '>'
return s
......@@ -266,7 +277,8 @@ class IoPad ( object ):
trace( 550, '\tIoPad.addNet() net={} iopad={}\n'.format(ioNet,self))
self.nets.append( ioNet )
if len(self.nets) == 1:
if self.nets[0].coreNet.getDirection() == Net.Direction.IN: self.direction = IoPad.IN
if self.nets[0].isAnalog(): self.direction = IoPad.ANALOG
elif self.nets[0].coreNet.getDirection() == Net.Direction.IN: self.direction = IoPad.IN
elif self.nets[0].coreNet.getDirection() == Net.Direction.OUT: self.direction = IoPad.OUT
elif self.nets[0].coreNet.getName() == 'scout': self.direction = IoPad.OUT
else:
......@@ -279,11 +291,11 @@ class IoPad ( object ):
if (self.direction == IoPad.OUT) \
and (self.coreToChip.getPadInfo(IoPad.TRI_OUT) is not None):
print( WarningMessage( 'IoPad.addNet(): No simple pad in direction {} for "{}", fallback to output tristate.' \
.format(netDirectionToStr(self.direction),ioNet.padInstanceName)) )
.format(IoPad.directionToStr(self.direction),ioNet.padInstanceName)) )
self.direction = IoPad.TRI_OUT
else:
print( WarningMessage( 'IoPad.addNet(): No simple pad in direction {} for "{}", fallback to bi-directional.' \
.format(netDirectionToStr(self.direction),ioNet.padInstanceName)) )
.format(IoPad.directionToStr(self.direction),ioNet.padInstanceName)) )
self.direction = IoPad.BIDIR
elif len(self.nets) == 2:
if self.direction != IoPad.BIDIR:
......@@ -305,6 +317,7 @@ class IoPad ( object ):
enable signal (if any) do not need an external chip signal
(it is *not* connected to the outside world).
"""
trace( 550, '\tIoPad.createPad() {}\n'.format( self ))
padInfo = self.coreToChip.getPadInfo( self.direction )
if padInfo is None:
if len(self.nets) == 0:
......@@ -317,8 +330,12 @@ class IoPad ( object ):
, IoPad.directionToStr(self.direction)
, self.padInstanceName ))
connexions = []
# Case of BIDIR as fallback for simple IN/OUT.
if (self.direction == IoPad.ANALOG):
self.nets[0].buildNets()
connexions.append( ( self.nets[0].chipExtNet , padInfo.padNet ) )
connexions.append( ( self.coreToChip.newDummyNet(), padInfo.coreNets[1] ) )
if (self.direction == IoPad.BIDIR) and (len(self.nets) < 3):
# Case of BIDIR as fallback for simple IN/OUT.
self.nets[0].setFlags( IoNet.DoExtNet )
self.nets[0].buildNets()
if len(self.nets) < 2:
......@@ -658,11 +675,14 @@ class CoreToChip ( object ):
.format(ioPadConf.instanceName,netName,self.core.getName()) ))
continue
ioNet = self.getIoNet( coreNet )
if ioPadConf.isBidir() or ioPadConf.isTristate():
if coreNet.getName() == ioPadConf.enableNetName:
ioNet.setEnable( True )
if not ioNet.isEnable():
ioNet.chipExtNetName = ioPadConf.padNetName
if ioPadConf.isAnalog():
ioNet.setAnalog( True )
else:
if ioPadConf.isBidir() or ioPadConf.isTristate():
if coreNet.getName() == ioPadConf.enableNetName:
ioNet.setEnable( True )
if not ioNet.isEnable():
ioNet.chipExtNetName = ioPadConf.padNetName
ioPadConf.udata.addNet( ioNet )
ioPads.append( ioPadConf )
trace( 550, '\tProcessed all IoPadConf, looking for orphaned core nets...\n' )
......
......@@ -56,6 +56,7 @@ class CoreToChip ( BaseCoreToChip ):
self.ioPadNames = { 'in' :'IOPadIn'
, 'tri_out' :'IOPadOut'
, 'bidir' :'IOPadInOut'
, 'analog' :'IOPadAnalog'
, 'vdd' :'IOPadVdd'
, 'vss' :'IOPadVss'
, 'iovdd' :'IOPadIOVdd'
......@@ -76,6 +77,9 @@ class CoreToChip ( BaseCoreToChip ):
, BaseCoreToChip.IoPadInfo( IoPad.BIDIR
, self.ioPadNames['bidir']
, 'pad', ['s', 'd', 'de'] )
, BaseCoreToChip.IoPadInfo( IoPad.ANALOG
, self.ioPadNames['analog']
, 'pad', ['pad', 'padres'] )
]
self._getPadLib()
return
......
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