ddr3 ip核 用modelsin 仿真出现以下问题 求大神

风云猪猪

* Error: (vsim-10000) nofile(38): Unresolved defparam reference to 'leveling_delay_chain_dqs' in leveling_delay_chain_dqs.physical_clock_source.
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#         Region: /ddr3_40/u3/ddr3_40ipcore_inst/p0/ddr3_40ipcore_p0_ddr3_40ipcore_p0_memphy_umemphy_ddr3_40ipcore_p0_new_io_pads_uio_pads_ddr3_40ipcore_p0_altdqdqs_dq_ddio_0_ubidir_dq_dqs_6480/altdq_dqs2_inst
# ** Error: (vsim-10000) nofile(38): Unresolved defparam reference to 'clk_phase_select_dqs' in clk_phase_select_dqs.physical_clock_source.
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#         Region: /ddr3_40/u3/ddr3_40ipcore_inst/p0/ddr3_40ipcore_p0_ddr3_40ipcore_p0_memphy_umemphy_ddr3_40ipcore_p0_new_io_pads_uio_pads_ddr3_40ipcore_p0_altdqdqs_dq_ddio_0_ubidir_dq_dqs_6480/altdq_dqs2_inst
# ** Error: (vsim-10000) nofile(38): Unresolved defparam reference to 'clk_phase_select_dqs' in clk_phase_select_dqs.use_phasectrlin.
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#         Region: /ddr3_40/u3/ddr3_40ipcore_inst/p0/ddr3_40ipcore_p0_ddr3_40ipcore_p0_memphy_umemphy_ddr3_40ipcore_p0_new_io_pads_uio_pads_ddr3_40ipcore_p0_altdqdqs_dq_ddio_0_ubidir_dq_dqs_6480/altdq_dqs2_inst
# ** Error: (vsim-10000) nofile(38): Unresolved defparam reference to 'clk_phase_select_dqs' in clk_phase_select_dqs.phase_setting.
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#         Region: /ddr3_40/u3/ddr3_40ipcore_inst/p0/ddr3_40ipcore_p0_ddr3_40ipcore_p0_memphy_umemphy_ddr3_40ipcore_p0_new_io_pads_uio_pads_ddr3_40ipcore_p0_altdqdqs_dq_ddio_0_ubidir_dq_dqs_6480/altdq_dqs2_inst
# ** Error: (vsim-10000) nofile(38): Unresolved defparam reference to 'clk_phase_select_pst_0p' in clk_phase_select_pst_0p.physical_clock_source.
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