litex: correct disable diff test option

Signed-off-by: Alessandro Comodi <[email protected]>

common/cmake/litex.cmake

@@ -15,7 +15,7 @@ function(ADD_LITEX_TEST)
   #    FLAGS <additional litex options>
   #    GENERATE_SCRIPT <generate script>
   #    FIXUP_SCRIPT <fixup script>
-  #    [DISABLE_DIFF_FASM] <option to disable the diff fasm test>
+  #    [DISABLE_DIFF_TEST] <option to disable the diff fasm test>
   # )
   #
   # LITEX_DIR is the directory that is generated by litex and used to get the generated source files
@@ -34,7 +34,7 @@ function(ADD_LITEX_TEST)
   #
   # ~~~
 
-  set(options USE_XDC)
+  set(options USE_XDC DISABLE_DIFF_TEST)
   set(oneValueArgs NAME LITEX_DIR LITEX_BOARD BOARD GENERATE_SCRIPT FIXUP_SCRIPT VIVADO_XDC)
   set(multiValueArgs FLAGS LITEX_SOURCES EXTERNAL_SOURCES)
   cmake_parse_arguments(
@@ -56,7 +56,7 @@ function(ADD_LITEX_TEST)
   set(USE_XDC ${ADD_LITEX_TEST_USE_XDC})
   set(VIVADO_XDC ${ADD_LITEX_TEST_VIVADO_XDC})
   set(FLAGS ${ADD_LITEX_TEST_FLAGS})
-  set(DISABLE_DIFF_FASM ${ADD_LITEX_TEST_DISABLE_DIFF_FASM})
+  set(DISABLE_DIFF_TEST ${ADD_LITEX_TEST_DISABLE_DIFF_TEST})
 
   set(LITEX_GATEWARE ${CMAKE_CURRENT_BINARY_DIR}/${LITEX_DIR}/gateware/)
 
@@ -106,12 +106,12 @@ function(ADD_LITEX_TEST)
     )
   endif()
 
-  if (${DISABLE_DIFF_FASM})
+  if (${DISABLE_DIFF_TEST})
     add_vivado_target(
         NAME ${NAME}_vivado
         PARENT_NAME ${NAME}
         XDC ${VIVADO_XDC}
-        DISABLE_DIFF_FASM
+        DISABLE_DIFF_TEST
     )
   else()
     add_vivado_target(

xc/xc7/tests/soc/litex/mini_ddr_eth/CMakeLists.txt

@@ -40,5 +40,5 @@ add_litex_test(
   VIVADO_XDC arty_clocks.xdc
   # FIXME: Certain BRAMs do have issues with the bittools regarding the
   # INIT configuration bits: https://github.com/SymbiFlow/prjxray/pull/1335
-  DISABLE_DIFF_FASM
+  DISABLE_DIFF_TEST
 )