From d70049c2e1fcdbe0850a50e8c7a7986df4ed391c Mon Sep 17 00:00:00 2001
From: Gwenhael Goavec-Merou <gwenhael.goavec-merou@trabucayre.com>
Date: Wed, 11 Jan 2023 18:33:48 +0100
Subject: [PATCH] build/parser: adding a fallback to search for a platform
 explicitly into litex-boards package when platform name isn't found

---
 litex/build/parser.py | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/litex/build/parser.py b/litex/build/parser.py
index 520b50d73..827524bab 100644
--- a/litex/build/parser.py
+++ b/litex/build/parser.py
@@ -177,7 +177,14 @@ class LiteXArgumentParser(argparse.ArgumentParser):
             if platform is None: # no user selection: try default
                 platform = self.get_default_value_from_actions("platform", None)
             if platform is not None:
-                self.set_platform(importlib.import_module(platform).Platform)
+                try:
+                    platform_cls = importlib.import_module(platform).Platform
+                except ModuleNotFoundError as e:
+                    # platform not found: try litex-boards package
+                    platform = "litex_boards.platforms." + platform
+                    platform_cls = importlib.import_module(platform).Platform
+                self.set_platform(platform_cls)
+
                 self.add_target_group()
 
         # When platform provided/set, set builder/soc_core args.