lattice/ice40/devices/tile-routing-virt/arch.xml

<!-- set: ai sw=1 ts=1 sta et -->
<architecture xmlns:xi="http://www.w3.org/2001/XInclude">
 <!-- ODIN-II model description for non-standard block type -->
 <models>
  <xi:include href="../../primitives/sb_lut/sb_lut.model.xml"     xpointer="xpointer(models/child::node())" />
  <xi:include href="../../primitives/sb_ff/sb_ff.model.xml"       xpointer="xpointer(models/child::node())" />
  <xi:include href="../../primitives/sb_carry/sb_carry.model.xml" xpointer="xpointer(models/child::node())" />
  <xi:include href="../../primitives/sb_ram/sb_ram.model.xml"     xpointer="xpointer(models/child::node())" />
  <!--
  <xi:include href="../../primitives/mux4/ice_mux4.model.xml"     xpointer="xpointer(models/child::node())" />
  <xi:include href="../../primitives/mux2/ice_mux2.model.xml"     xpointer="xpointer(models/child::node())" />
  -->
 </models>

 <!-- Description of the block tiles available in the iCE40 -->
 <complexblocklist>
  <xi:include href="tiles/plb/plb.pb_type.xml"/>
  <xi:include href="tiles/ramb/ramb.pb_type.xml"/>
  <xi:include href="tiles/ramt/ramt.pb_type.xml"/>
  <xi:include href="tiles/pio-l/pio-l.pb_type.xml"/>
  <xi:include href="tiles/pio-t/pio-t.pb_type.xml"/>
  <xi:include href="tiles/pio-r/pio-r.pb_type.xml"/>
  <xi:include href="tiles/pio-b/pio-b.pb_type.xml"/>
 </complexblocklist>

 <!-- Description of the tile layouts available in the iCE40 family -->
 <layout>
  <xi:include href="../layouts/test4/test4.fixed_layout.xml"/>
  <xi:include href="../layouts/N384/lp384.fixed_layout.xml"/>
  <xi:include href="../layouts/N384/hx384.fixed_layout.xml"/>
  <xi:include href="../layouts/N1k/lp1k.fixed_layout.xml"/>
  <xi:include href="../layouts/N1k/hx1k.fixed_layout.xml"/>
  <xi:include href="../layouts/N4k/lp4k.fixed_layout.xml"/>
  <xi:include href="../layouts/N4k/hx4k.fixed_layout.xml"/>
  <xi:include href="../layouts/N8k/lp8k.fixed_layout.xml"/>
  <xi:include href="../layouts/N8k/hx8k.fixed_layout.xml"/>
 </layout>

 <directlist>
  <!-- Carry chain from one PLB to the next PLB -->
  <direct name="CARRY"   from_pin="PLB.carry_out"   to_pin="PLB.carry_in"    x_offset="0"  y_offset="1" z_offset="0"/>
  <!-- Vertical wires from neighbours
  <direct name="sp4_r2l" from_pin="PLB.o_sp4_l_v_b" to_pin="PLB.i_sp4_r_v_b" x_offset="-1" y_offset="0" z_offset="0"/>
  <direct name="sp4_l2r" from_pin="PLB.o_sp4_r_v_b" to_pin="PLB.i_sp4_l_v_b" x_offset= "1" y_offset="0" z_offset="0"/>
       -->
  <!-- Neighbourhood wires
  <direct name="neigh_op_ob2it" from_pin="PLB.o_neigh_op_bot" to_pin="PLB.i_neigh_op_top" x_offset="0"  y_offset="-1" z_offset="0"/>
  <direct name="neigh_op_ot2ib" from_pin="PLB.o_neigh_op_top" to_pin="PLB.i_neigh_op_bot" x_offset="0"  y_offset= "1" z_offset="0"/>

  <direct name="neigh_op_or2il" from_pin="PLB.o_neigh_op_rgt" to_pin="PLB.i_neigh_op_lft" x_offset= "1" y_offset="0"  z_offset="0"/>
  <direct name="neigh_op_ol2ir" from_pin="PLB.o_neigh_op_lft" to_pin="PLB.i_neigh_op_rgt" x_offset="-1" y_offset="0"  z_offset="0"/>
       -->
 </directlist>

 <device>
    <sizing R_minW_nmos="6065.520020" R_minW_pmos="18138.500000" />
    <area grid_logic_tile_area="14813.392"/>
    <connection_block input_switch_name="2"/>
    <switch_block type="wilton" fs="3"/>
    <chan_width_distr>
      <x distr="uniform" peak="1.000000"/>
      <y distr="uniform" peak="1.000000"/>
    </chan_width_distr>
 </device>

 <switchlist>
  <!-- name="buffer"  == name="0" -->
  <!-- name="routing" == name="1" -->
  <switch type="mux" name="1" R="551" Cin=".77e-15" Cout="4e-15" Tdel="58e-12" mux_trans_size="2.630740" buf_size="27.645901"/>
  <switch type="mux" name="2" R="551" Cin=".77e-15" Cout="4e-15" Tdel="58e-12" mux_trans_size="2.630740" buf_size="27.645901"/>
 </switchlist>
 <segmentlist>
  <!-- Global networks -->
  <segment name="global" length="longline" freq="1.000000" type="bidir" Rmetal="101" Cmetal="22.5e-15">
   <wire_switch name="1"/>
   <opin_switch name="2"/>
  </segment>

  <!-- Span 12 vertical   tracks -->
  <!-- Span 12 horizontal tracks -->
  <segment name="span12" length="12" freq="1.000000" type="bidir" Rmetal="101" Cmetal="22.5e-15">
   <sb type="pattern">1 1 1 1 1 1 1 1 1 1 1 1 1</sb>
   <cb type="pattern">1 1 1 1 1 1 1 1 1 1 1 1</cb>
   <wire_switch name="1"/>
   <opin_switch name="2"/>
  </segment>

  <!-- Span 4 vertical   tracks -->
  <!-- Span 4 horizontal tracks -->
  <segment name="span4" length="4" freq="1.000000" type="bidir" Rmetal="101" Cmetal="22.5e-15">
   <sb type="pattern">1 1 1 1 1</sb>
   <cb type="pattern">1 1 1 1</cb>
   <wire_switch name="1"/>
   <opin_switch name="2"/>
  </segment>

  <!-- Local tracks
  <segment name="local" length="1" freq="1.000000" type="bidir" Rmetal="101" Cmetal="22.5e-15">
   <sb type="pattern">0 1</sb>
   <cb type="pattern">1</cb>
   <wire_switch name="2"/>
   <opin_switch name="2"/>
  </segment>
    -->

  <!-- Neighbourhood tracks
  <segment name="direct" length="2" freq="1.000000" type="bidir" Rmetal="101" Cmetal="22.5e-15">
   <sb type="pattern">1 1 1</sb>
   <cb type="pattern">1 1</cb>
   <wire_switch name="1"/>
   <opin_switch name="2"/>
  </segment>
    -->

  <!-- Dummy tracks
  <segment name="dummy" length="1" freq="1.000000" type="unidir" Rmetal="101" Cmetal="22.5e-15">
   <sb type="pattern">1 1</sb>
   <cb type="pattern">1</cb>
   <mux name="1"/>
  </segment>
       -->

 </segmentlist>

</architecture>