From 5d37e3a18fe6a1890ce69775970f31a850e9c04e Mon Sep 17 00:00:00 2001
From: Miodrag Milanovic <mmicko@gmail.com>
Date: Tue, 7 Oct 2025 13:43:51 +0200
Subject: [PATCH] Add reconfig option

---
 libgm/src/Bitstream.cpp | 4 +++-
 libgm/tools/gmpack.cpp  | 4 +++-
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/libgm/src/Bitstream.cpp b/libgm/src/Bitstream.cpp
index a502b9a..cfe5e0b 100644
--- a/libgm/src/Bitstream.cpp
+++ b/libgm/src/Bitstream.cpp
@@ -1000,8 +1000,10 @@ Bitstream Bitstream::serialise_chip(const Chip &chip, const std::map<std::string
                 wr.write_cmd_chg_status(CFG_DONE);
 
             cfg_stat |= CFG_STOP | CFG_DONE;
+            if (options.count("reconfig")) {
+                cfg_stat |= CFG_RECONFIG | CFG_CPE_CFG;
+            }
         }
-        // cfg_stat |= CFG_RECONFIG | CFG_CPE_CFG;
         if (!die.is_serdes_cfg_empty()) {
             cfg_stat |= CFG_SERDES;
             wr.write_header(CMD_SERDES, die.get_serdes_config().size());
diff --git a/libgm/tools/gmpack.cpp b/libgm/tools/gmpack.cpp
index 3dd5c2f..08e235c 100644
--- a/libgm/tools/gmpack.cpp
+++ b/libgm/tools/gmpack.cpp
@@ -39,6 +39,7 @@ int main(int argc, char *argv[])
     options.add_options()("verbose,v", "verbose output");
     options.add_options()("crcmode", po::value<std::string>(), "CRC error behaviour (check, ignore, unused)");
     options.add_options()("spimode", po::value<std::string>(), "SPI Mode to use (single, dual, quad)");
+    options.add_options()("reconfig", "enable reconfiguration in bitstream");
     po::positional_options_description pos;
     options.add_options()("input", po::value<std::string>()->required(), "input textual configuration");
     pos.add("input", 1);
@@ -89,7 +90,8 @@ int main(int argc, char *argv[])
         bitopts["spimode"] = vm["spimode"].as<std::string>();
     }
 
-    if (vm.count("background")) {
+    if (vm.count("reconfig")) {
+        bitopts["reconfig"] = "yes";
     }
 
     std::string textcfg((std::istreambuf_iterator<char>(config_file)), std::istreambuf_iterator<char>());