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Virtex CLKDLL timing simulation in MTI: WARNING:No default binding for component : "x_clkdll". ( Generic "tperiod_clkin" is not on the entity)
Keyword : clkdll, simprim, modeltech, simulation, service pack 1
Urgency : hot
General Description : When updating Alliance or Foundation with Service Pack 1, the simprim
models file (simprim_vital.vhd) was changed.
The x_clkdll model had a parameter changed from tperiod_clkin to tperiod_clkin_posedge.
This change caused errors in Modelsim simulation when that simprim library is compiled.
The warning given is : " # WARNING: ../mti/temp.vhd(36): No default
binding for component: "x_clkdll". (Generic "tperiod_clkin" is not on the entity)"
The simulation will not function correctly if this warning is ignored.
One workaround is to edit the simprim_vital.vhd file so that the cell X_CLKDLL parameter is
This problem is also fixed in Service pack 2.