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[Arch] Limit shift register chain only to columns of clbs

This commit is contained in:
tangxifan 2020-11-13 09:39:59 -07:00
parent 5d3b08ada4
commit bbf871d22a
2 changed files with 3 additions and 1 deletions
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1
ARCH/openfpga_arch_template/k4_frac_N8_register_scan_chain_caravel_io_skywater130nm_fdhd_cc_openfpga.xml
View File

@ -211,6 +211,7 @@
<segment name="L4" circuit_model_name="chan_segment"/>
</routing_segment>
<direct_connection>
<direct name="shift_register" circuit_model_name="direct_interc"/>
<direct name="scan_chain" circuit_model_name="direct_interc" type="column" x_dir="positive" y_dir="positive"/>
</direct_connection>
<tile_annotations>

3
ARCH/vpr_arch/k4_frac_N8_tileable_register_scan_chain_nonLR_caravel_io_skywater130nm.xml
View File

@ -145,7 +145,7 @@
<!--pinlocations pattern="spread"/-->
<pinlocations pattern="custom">
<loc side="left">clb.clk</loc>
<loc side="top">clb.reg_in clb.sc_in clb.O[7:0] clb.I0 clb.I0i clb.I1 clb.I1i clb.I2 clb.I2i clb.I3 clb.I3i </loc>
<loc side="top">clb.reg_in clb.sc_in clb.O[7:0] clb.I0 clb.I0i clb.I1 clb.I1i clb.I2 clb.I2i clb.I3 clb.I3i</loc>
<loc side="right">clb.O[15:8] clb.I4 clb.I4i clb.I5 clb.I5i clb.I6 clb.I6i clb.I7 clb.I7i</loc>
<loc side="bottom">clb.reg_out clb.sc_out</loc>
</pinlocations>
@ -255,6 +255,7 @@
</segment>
</segmentlist>
<directlist>
<direct name="shift_register" from_pin="clb.reg_out" to_pin="clb.reg_in" x_offset="0" y_offset="-1" z_offset="0"/>
<direct name="scan_chain" from_pin="clb.sc_out" to_pin="clb.sc_in" x_offset="0" y_offset="-1" z_offset="0"/>
</directlist>
<complexblocklist>