From df88e2adc0329c609c15f5de804fe16d969ffa85 Mon Sep 17 00:00:00 2001
From: tangxifan <tangxifan@gmail.com>
Date: Mon, 1 Feb 2021 14:26:11 -0700
Subject: [PATCH] [Arch] Add an example definition of external bitstream to
 openfpga arch with soft adder

---
 ...ster_scan_chain_caravel_io_skywater130nm_fdhd_cc_openfpga.xml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/openfpga_flow/openfpga_arch/k4_frac_N8_reset_softadder_register_scan_chain_caravel_io_skywater130nm_fdhd_cc_openfpga.xml b/openfpga_flow/openfpga_arch/k4_frac_N8_reset_softadder_register_scan_chain_caravel_io_skywater130nm_fdhd_cc_openfpga.xml
index 6a4a69e68..9ca1a90b4 100644
--- a/openfpga_flow/openfpga_arch/k4_frac_N8_reset_softadder_register_scan_chain_caravel_io_skywater130nm_fdhd_cc_openfpga.xml
+++ b/openfpga_flow/openfpga_arch/k4_frac_N8_reset_softadder_register_scan_chain_caravel_io_skywater130nm_fdhd_cc_openfpga.xml
@@ -254,6 +254,7 @@
     <!-- Binding operating pb_type to physical pb_type -->
     <!-- Binding operating pb_types in mode 'arithmetic' -->
     <pb_type name="clb.fle[arithmetic].soft_adder.adder_lut4" physical_pb_type_name="clb.fle[physical].fabric.frac_logic.frac_lut4" mode_bits="1">
+      <external_bitstream source="eblif" attribute=".param" keyword_to_ignore="LUT"/>
     </pb_type>
     <pb_type name="clb.fle[arithmetic].soft_adder.ff" physical_pb_type_name="clb.fle[physical].fabric.ff"/>
     <pb_type name="clb.fle[arithmetic].soft_adder.carry_follower" physical_pb_type_name="clb.fle[physical].fabric.frac_logic.carry_follower"/>