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In Cumulus/plugins.block.iospecs, add IoPin.START and END to auto-load specs. 

Contributed by LKCL.
This commit is contained in:
Jean-Paul Chaput 2021-04-08 11:22:12 +02:00
parent 556c38e4b9
commit 31d6a45702
1 changed files with 19 additions and 6 deletions
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25
cumulus/src/plugins/alpha/block/iospecs.py
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@ -106,25 +106,38 @@ class IoSpecs ( object ):
trace( 560, '\tIoSpecs.addIoPadSpec() side={} spec={}\n'.format(side,spec) ) trace( 560, '\tIoSpecs.addIoPadSpec() side={} spec={}\n'.format(side,spec) )
return spec return spec
def addIoPadSpecs(self, names, side):
for i, padName in enumerate(names):
actual_side = side
# add start and end
if i == 0:
actual_side |= IoPin.A_BEGIN
elif i == len(names)-1:
actual_side |= IoPin.A_END
self.addIoPadSpec( padName, actual_side)
def loadFromPinmux ( self, fileName ): def loadFromPinmux ( self, fileName ):
""" """
Load ioPadsSpec from a LibreSOC generated pinmux file in JSON format. Load ioPadsSpec from a LibreSOC generated pinmux file in JSON format.
""" """
print( ' o Loading I/O pad specifications from "{}".'.format(fileName) ) print( ' o Loading I/O pad specifications from "{}".'.format(fileName) )
if not os.path.isfile(fileName): if not os.path.isfile(fileName):
raise ErrorMessage( 2, [ 'IoSpecs.loadFromPinmux(): JSON pinmux file not found.' raise ErrorMessage( 2, [ 'IoSpecs.loadFromPinmux(): '
'JSON pinmux file not found.'
, '("{}")'.format(fileName) ] ) , '("{}")'.format(fileName) ] )
with open(fileName) as fd: with open(fileName) as fd:
datas = utf8toStr( json.loads( fd.read(), object_hook=utf8toStr ) datas = utf8toStr( json.loads( fd.read(), object_hook=utf8toStr )
, ignoreDicts=True ) , ignoreDicts=True )
for padName in datas['pads.east' ]: self.addIoPadSpec( padName, IoPin.EAST ) self.addIoPadSpecs(datas['pads.east' ], IoPin.EAST )
for padName in datas['pads.west' ]: self.addIoPadSpec( padName, IoPin.WEST ) self.addIoPadSpecs(datas['pads.west' ], IoPin.WEST )
for padName in datas['pads.north']: self.addIoPadSpec( padName, IoPin.NORTH ) self.addIoPadSpecs(datas['pads.north'], IoPin.NORTH )
for padName in datas['pads.south']: self.addIoPadSpec( padName, IoPin.SOUTH ) self.addIoPadSpecs(datas['pads.south'], IoPin.SOUTH )
for padDatas in datas['pads.instances']: for padDatas in datas['pads.instances']:
padName = padDatas[0] padName = padDatas[0]
if not self._ioPadsLUT.has_key(padName): if not self._ioPadsLUT.has_key(padName):
print( WarningMessage('IoSpecs.loadFromPinmux(): Pad "{}" is not on any side, ignored.' \ print( WarningMessage('IoSpecs.loadFromPinmux(): ' \
'Pad "{}" is not on any side, ignored.' \
.format(padName) )) .format(padName) ))
continue continue
end = None end = None