From 96263058c3682debdbb8d6605373af8dd954fcd0 Mon Sep 17 00:00:00 2001
From: Gwenhael Goavec-Merou <gwenhael.goavec-merou@trabucayre.com>
Date: Fri, 18 Jun 2021 09:20:24 +0200
Subject: [PATCH] add support for GW1NS-2 family

Signed-off-by: Gwenhael Goavec-Merou <gwenhael.goavec-merou@trabucayre.com>
---
 gowin/CMakeLists.txt |  2 +-
 gowin/main.cc        | 11 ++++++-----
 2 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/gowin/CMakeLists.txt b/gowin/CMakeLists.txt
index 695ef884..5d70cd32 100644
--- a/gowin/CMakeLists.txt
+++ b/gowin/CMakeLists.txt
@@ -1,7 +1,7 @@
 cmake_minimum_required(VERSION 3.5)
 project(chipdb-gowin NONE)
 
-set(ALL_GOWIN_DEVICES GW1N-1 GW1N-4 GW1N-9)
+set(ALL_GOWIN_DEVICES GW1N-1 GW1N-4 GW1N-9 GW1NS-2)
 set(GOWIN_DEVICES ${ALL_GOWIN_DEVICES} CACHE STRING
     "Include support for these Gowin devices (available: ${ALL_GOWIN_DEVICES})")
 message(STATUS "Enabled Gowin devices: ${GOWIN_DEVICES}")
diff --git a/gowin/main.cc b/gowin/main.cc
index 95a7e2c1..01fcf25b 100644
--- a/gowin/main.cc
+++ b/gowin/main.cc
@@ -54,7 +54,7 @@ po::options_description GowinCommandHandler::getArchOptions()
 
 std::unique_ptr<Context> GowinCommandHandler::createContext(dict<std::string, Property> &values)
 {
-    std::regex devicere = std::regex("GW1N([A-Z]*)-(LV|UV)([0-9])([A-Z]{2}[0-9]+)(C[0-9]/I[0-9])");
+    std::regex devicere = std::regex("GW1N([A-Z]*)-(LV|UV|UX)([0-9])(C?)([A-Z]{2}[0-9]+)(C[0-9]/I[0-9])");
     std::smatch match;
     std::string device = vm["device"].as<std::string>();
     if (!std::regex_match(device, match, devicere)) {
@@ -62,12 +62,13 @@ std::unique_ptr<Context> GowinCommandHandler::createContext(dict<std::string, Pr
     }
     ArchArgs chipArgs;
     char buf[36];
-    snprintf(buf, 36, "GW1N%s-%s", match[1].str().c_str(), match[3].str().c_str());
+    snprintf(buf, 36, "GW1N%s-%s%s", match[1].str().c_str(), match[3].str().c_str(),
+		match[4].str().c_str());
     chipArgs.device = buf;
-    snprintf(buf, 36, "GW1N-%s", match[3].str().c_str());
+    snprintf(buf, 36, "GW1N%s-%s", match[1].str().c_str(), match[3].str().c_str());
     chipArgs.family = buf;
-    chipArgs.package = match[4];
-    chipArgs.speed = match[5];
+    chipArgs.package = match[5];
+    chipArgs.speed = match[6];
     return std::unique_ptr<Context>(new Context(chipArgs));
 }