22 lines
820 B
Python
22 lines
820 B
Python
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#!/usr/bin/env python3
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ddr3_name = 'ddr3_top_inst.ddr3_phy_inst'
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def get_cells(name_part):
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return list(map(lambda c: c.second, filter(lambda c: name_part in c.first, ctx.cells)))
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def get_cell(name_part):
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return get_cells(name_part)[0]
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c1=get_cell(ddr3_name + '.genblk5[0].ISERDESE2_train')
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c3=get_cell(ddr3_name + '.genblk5[0].OSERDESE2_train')
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# c2=get_cell(ddr3_name + '.genblk5[1].ISERDESE2_train')
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# c4=get_cell(ddr3_name + '.genblk5[1].OSERDESE2_train')
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# Usually, nextpnr-xilinx would place these on X0Y149, but
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# prjxray has missing PIPs on _SING tiles, so we need to
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# place these on a non-SING tile to make it work
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c1.setAttr('BEL', 'ILOGIC_X1Y193/ISERDESE2')
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c3.setAttr('BEL', 'OLOGIC_X1Y193/OSERDESE2')
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# c2.setAttr('BEL', 'ILOGIC_X0Y245/ISERDESE2')
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# c4.setAttr('BEL', 'OLOGIC_X0Y245/OSERDESE2')
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