From: Tim 'mithro' Ansell <me@mith.ro>
Date: Mon, 30 Dec 2019 18:24:26 +0000 (+0100)
Subject: Allow LiteX builder to be used without LiteDRAM.
X-Git-Tag: 24jan2021_ls180~788
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=8b955e6f694e3dfa4e79025b078f849cacf15872;p=litex.git

Allow LiteX builder to be used without LiteDRAM.
---

diff --git a/litex/soc/integration/builder.py b/litex/soc/integration/builder.py
index 4b4eca60..665528a8 100644
--- a/litex/soc/integration/builder.py
+++ b/litex/soc/integration/builder.py
@@ -14,9 +14,16 @@ import struct
 import shutil
 
 from litex.build.tools import write_to_file
-from litex.soc.integration import cpu_interface, soc_core, soc_sdram
+from litex.soc.integration import cpu_interface, soc_core
+
+try:
+    from litex.soc.integration import soc_sdram
+    from litedram.init import get_sdram_phy_c_header
+except ImportError:
+    class soc_sdram:
+        class SoCSDRAM:
+            pass
 
-from litedram.init import get_sdram_phy_c_header
 
 __all__ = ["soc_software_packages", "soc_directory",
            "Builder", "builder_args", "builder_argdict"]