From 6a27eca809dc2a53db0f5a85fe70c210ef79baf5 Mon Sep 17 00:00:00 2001
From: tangxifan <tangxifan@gmail.com>
Date: Tue, 17 Nov 2020 19:34:58 -0700
Subject: [PATCH] [Arch] Update arch to use digital I/O circuitry

---
 ...er_scan_chain_caravel_io_skywater130nm_fdhd_cc_openfpga.xml | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/ARCH/openfpga_arch_template/k4_frac_N8_register_scan_chain_caravel_io_skywater130nm_fdhd_cc_openfpga.xml b/ARCH/openfpga_arch_template/k4_frac_N8_register_scan_chain_caravel_io_skywater130nm_fdhd_cc_openfpga.xml
index 5fb44c4..d040154 100644
--- a/ARCH/openfpga_arch_template/k4_frac_N8_register_scan_chain_caravel_io_skywater130nm_fdhd_cc_openfpga.xml
+++ b/ARCH/openfpga_arch_template/k4_frac_N8_register_scan_chain_caravel_io_skywater130nm_fdhd_cc_openfpga.xml
@@ -182,13 +182,14 @@
       <port type="output" prefix="Q" size="1"/>
       <port type="clock" prefix="prog_clk" lib_name="CLK" size="1" is_global="true" default_val="0" is_prog="true"/>
     </circuit_model>
-    <circuit_model type="iopad" name="EMBEDDED_IO" prefix="EMBEDDED_IO" is_default="true" verilog_netlist="${SKYWATER_OPENFPGA_HOME}/HDL/common/digital_io_hd.v">
+    <circuit_model type="iopad" name="EMBEDDED_IO_HD" prefix="EMBEDDED_IO_HD" is_default="true" verilog_netlist="${SKYWATER_OPENFPGA_HOME}/HDL/common/digital_io_hd.v">
       <design_technology type="cmos"/>
       <input_buffer exist="true" circuit_model_name="sky130_fd_sc_hd__inv_1"/>
       <output_buffer exist="true" circuit_model_name="sky130_fd_sc_hd__inv_1"/>
       <port type="input" prefix="SOC_IN" lib_name="SOC_IN" size="1" is_global="true" is_io="true" is_data_io="true"/>
       <port type="output" prefix="SOC_OUT" lib_name="SOC_OUT" size="1" is_global="true" is_io="true" is_data_io="true"/>
       <port type="output" prefix="SOC_DIR" lib_name="SOC_DIR" size="1" is_global="true" is_io="true"/>
+      <port type="input" prefix="IO_ISOL_N" lib_name="IO_ISOL_N" size="1" is_global="true" default_val="1"/>
       <port type="output" prefix="inpad" lib_name="FPGA_IN" size="1"/>
       <port type="input" prefix="outpad" lib_name="FPGA_OUT" size="1"/>
       <port type="sram" prefix="en" lib_name="FPGA_DIR" size="1" mode_select="true" circuit_model_name="sky130_fd_sc_hd__dfxtp_1" default_val="1"/>