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Reduce VIA size of the clock routing grid in M4/M5 to not 

interfere with standard routing.
This commit is contained in:
Jean-Paul Chaput 2012-12-11 10:27:13 +00:00
parent de248581fd
commit 94a52bd09c
1 changed files with 15 additions and 18 deletions
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33
cumulus/src/placeandroute.py
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@ -2187,13 +2187,10 @@ def createGrid ( my_tuple ) :
raise ErrorMessage(2,"RouteCK : bad pad placement.")
else :
err = "RouteCk: The pads ("+ str(instance.getName()) +") must be in direct regard of the clock grid\n"
err += "coordinates are : (x1,y1) = (%s,%s) and (x2,y2) = (%s,%s)." \
% ( DbU.getValueString(gridBoundingBox.getXMin())
, DbU.getValueString(gridBoundingBox.getYMin())
, DbU.getValueString(gridBoundingBox.getXMax())
, DbU.getValueString(gridBoundingBox.getYMax()) )
raise ErrorMessage(2,err)
message = [ "pyRouteCk: The pads <%s> must be in direct regard of the clock grid" % str(instance.getName())
, "Clock grid is %s" % str(gridBoundingBox)
]
raise ErrorMessage(2,message)
compContact = Contact ( net, via5, x, y, DbU_lambda(11), DbU_lambda(11) )
@ -2257,35 +2254,35 @@ def createGrid ( my_tuple ) :
xDistance = abs ( xTarget - xContact )
yDistance = abs ( yTarget - yContact )
Contact(net, via2, xContact, yContact, DbU_lambda(2), DbU_lambda(2) )
Contact(net, via3, xContact, yContact, DbU_lambda(2), DbU_lambda(2) )
Contact(net, via4, xContact, yContact, DbU_lambda(2), DbU_lambda(2) )
Contact(net, via2, xContact, yContact, DbU_lambda(1), DbU_lambda(1) )
Contact(net, via3, xContact, yContact, DbU_lambda(1), DbU_lambda(1) )
Contact(net, via4, xContact, yContact, DbU_lambda(1), DbU_lambda(1) )
if xDistance != 0 or yDistance != 0 :
if ( xDistance <= yDistance + DbU_lambda(10) ): # test pour faire un horizontal
if xDistance != 0 :
if abs(xDistance) <= DbU_lambda(3) :
gridContact = Contact ( net, metal5, xTarget, yContact, DbU_lambda(2), DbU_lambda(2) )
gridContact = Contact ( net, metal5, xTarget, yContact, DbU_lambda(1), DbU_lambda(1) )
layer = metal5
else :
Contact ( net, via5, xContact, yContact, DbU_lambda(2), DbU_lambda(2) )
gridContact = Contact ( net, via5, xTarget, yContact, DbU_lambda(2), DbU_lambda(2) )
Contact ( net, via5, xContact, yContact, DbU_lambda(1), DbU_lambda(1) )
gridContact = Contact ( net, via5, xTarget, yContact, DbU_lambda(1), DbU_lambda(1) )
layer = metal6
Horizontal( gridContact, plugContact, layer, gridContact.getY(), DbU_lambda(2) )
else :
gridContact = Contact ( net, via5, xTarget, yContact, DbU_lambda(2), DbU_lambda(2) )
gridContact = Contact ( net, via5, xTarget, yContact, DbU_lambda(1), DbU_lambda(1) )
else:
if yDistance != 0 :
if abs(yDistance) <= DbU_lambda(3) :
layer = metal6
gridContact = Contact ( net, metal6, xContact, yTarget, DbU_lambda(2), DbU_lambda(2) )
Contact ( net, via5, xContact, yContact, DbU_lambda(2), DbU_lambda(2) )
gridContact = Contact ( net, metal6, xContact, yTarget, DbU_lambda(1), DbU_lambda(1) )
Contact ( net, via5, xContact, yContact, DbU_lambda(1), DbU_lambda(1) )
else :
gridContact = Contact ( net, via5, xContact, yTarget, DbU_lambda(2), DbU_lambda(2) )
gridContact = Contact ( net, via5, xContact, yTarget, DbU_lambda(1), DbU_lambda(1) )
layer = metal5
Vertical ( gridContact, plugContact, layer, gridContact.getX(), DbU_lambda(2) )
else :
gridContact = Contact ( net, via5, xContact, yTarget, DbU_lambda(2), DbU_lambda(2) )
gridContact = Contact ( net, via5, xContact, yTarget, DbU_lambda(1), DbU_lambda(1) )
del _Xmin
del _Ymin