diff --git a/litex/build/gowin/gowin.py b/litex/build/gowin/gowin.py
index 8ee97cecf..7129db38e 100644
--- a/litex/build/gowin/gowin.py
+++ b/litex/build/gowin/gowin.py
@@ -26,6 +26,7 @@ class GowinToolchain(GenericToolchain):
     def __init__(self):
         super().__init__()
         self.options = {}
+        self.additional_cst_commands = []
 
     def finalize(self):
         if self.platform.verilog_include_paths:
@@ -108,6 +109,8 @@ class GowinToolchain(GenericToolchain):
         if self.named_pc:
             cst.extend(self.named_pc)
 
+        cst.extend(self.additional_cst_commands)
+
         tools.write_to_file(f"{self._build_name}.cst", "\n".join(cst))
         return (f"{self._build_name}.cst", "CST")