experiments9/doDesign.py

   1
   2 from   __future__ import print_function
   3
   4 import os
   5 import json
   6 import sys
   7 import traceback
   8 import CRL
   9 import helpers
  10 from   helpers.io import ErrorMessage, WarningMessage
  11 from   helpers    import trace, l, u, n
  12 import plugins
  13 from   Hurricane  import DbU
  14 from   plugins.alpha.block.configuration import IoPin, GaugeConf
  15 from   plugins.alpha.block.iospecs       import IoSpecs
  16 from   plugins.alpha.block.block         import Block
  17 from   plugins.alpha.core2chip.niolib    import CoreToChip
  18 from   plugins.alpha.chip.configuration  import ChipConf
  19 from   plugins.alpha.chip.chip           import Chip
  20
  21
  22 af  = CRL.AllianceFramework.get()
  23
  24 def scriptMain (**kw):
  25     """The mandatory function to be called by Coriolis CGT/Unicorn."""
  26     global af
  27     rvalue = True
  28     coreSize = 65000
  29     cwd = os.path.split( os.path.abspath(__file__) )[0]
  30     ioSpecs = IoSpecs()
  31     ioSpecs.loadFromPinmux( '%s/ls180/litex_pinpads.json' % cwd,
  32                             cheat_dont_do_analog=True)
  33     try:
  34         #helpers.setTraceLevel( 550 )
  35         cell, editor = plugins.kwParseMain( **kw )
  36         cell = af.getCell( 'ls180', CRL.Catalog.State.Logical )
  37         if cell is None:
  38             print( ErrorMessage( 2, 'doDesign.scriptMain(): Unable to '
  39                                     'load cell "{}".'.format('ls180') ))
  40             sys.exit(1)
  41         if editor: editor.setCell( cell )
  42         ls180Conf = ChipConf( cell, ioPads=ioSpecs.ioPadsSpec )
  43         ls180Conf.cfg.etesian.bloat = 'nsxlib'
  44         ls180Conf.cfg.etesian.uniformDensity = True
  45         ls180Conf.cfg.etesian.aspectRatio = 1.0
  46         ls180Conf.cfg.etesian.spaceMargin = 0.05
  47         #ls180Conf.cfg.katana.hTracksReservedLocal = 6
  48         #ls180Conf.cfg.katana.vTracksReservedLocal = 3
  49         ls180Conf.cfg.katana.hTracksReservedMin = 6
  50         ls180Conf.cfg.katana.vTracksReservedMin = 1
  51         ls180Conf.cfg.block.spareSide = l(700)
  52         ls180Conf.cfg.chip.padCoreSide = 'North'
  53         ls180Conf.editor = editor
  54         ls180Conf.useSpares = True
  55         ls180Conf.useClockTree = True
  56         ls180Conf.bColumns = 2
  57         ls180Conf.bRows = 2
  58         ls180Conf.chipConf.name = 'chip'
  59         ls180Conf.chipConf.ioPadGauge = 'niolib'
  60         ls180Conf.coreSize = (l(coreSize     ), l(coreSize     ))
  61         ls180Conf.chipSize = (l(coreSize+3360), l(coreSize+3360))
  62         # ooo, how annoying.  nsxlib (only 6 METAL) cannot cope with 3 clocks!
  63         #ls180Conf.useHTree('core.por_clk') # output from the PLL, needs to be H-Tree
  64         ls180Conf.useHTree('jtag_tck_from_pad')
  65         ls180Conf.useHTree('sys_pllclk_from_pad')
  66
  67         ls180ToChip = CoreToChip( ls180Conf )
  68         ls180ToChip.buildChip()
  69
  70         chipBuilder = Chip( ls180Conf )
  71         chipBuilder.doChipFloorplan()
  72
  73         rvalue = chipBuilder.doPnR()
  74         chipBuilder.save()
  75         CRL.Gds.save(ls180Conf.chip)
  76     except Exception, e:
  77         helpers.io.catch(e)
  78         rvalue = False
  79     sys.stdout.flush()
  80     sys.stderr.flush()
  81     return rvalue