diff options
| -rw-r--r-- | gowin/main.cc | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/gowin/main.cc b/gowin/main.cc index cd073b6f..1d40bdc4 100644 --- a/gowin/main.cc +++ b/gowin/main.cc @@ -64,7 +64,14 @@ std::unique_ptr<Context> GowinCommandHandler::createContext(dict<std::string, Pr char buf[36]; 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-%s", match[1].str().c_str(), match[3].str().c_str()); + // GW1N and GW1NR variants share the same database. + // Most Gowin devices are a System in Package with some SDRAM wirebonded to a GPIO bank. + // However, it appears that the S series with embedded ARM core are unique silicon. + if(match[1].str() == "S") { + snprintf(buf, 36, "GW1NS-%s", match[3].str().c_str()); + } else { + snprintf(buf, 36, "GW1N-%s", match[3].str().c_str()); + } chipArgs.family = buf; chipArgs.package = match[5]; chipArgs.speed = match[6]; |