Merge pull request #16 from litghost/disable_ramb36_until_supported

Temporarily disable RAMB36 synthesis.
SymbiFlow · Mar 7, 2019 · 22eaab1 · 22eaab1
2 parents 12a8e09 + bcc77f1
commit 22eaab1
Showing 1 changed file with 16 additions and 14 deletions.
diff --git a/techlibs/xilinx/brams.txt b/techlibs/xilinx/brams.txt
@@ -72,13 +72,15 @@ bram $__XILINX_RAMB18_TDP
   clkpol 2 3
 endbram
 
-match $__XILINX_RAMB36_SDP
-  min bits 4096
-  min efficiency 5
-  shuffle_enable B
-  make_transp
-  or_next_if_better
-endmatch
+# Disable RAMB36 synthesis until https://github.com/SymbiFlow/symbiflow-arch-defs/issues/438
+# is solved.
+#match $__XILINX_RAMB36_SDP
+#  min bits 4096
+#  min efficiency 5
+#  shuffle_enable B
+#  make_transp
+#  or_next_if_better
+#endmatch
 
 match $__XILINX_RAMB18_SDP
   min bits 4096
@@ -88,13 +90,13 @@ match $__XILINX_RAMB18_SDP
   or_next_if_better
 endmatch
 
-match $__XILINX_RAMB36_TDP
-  min bits 4096
-  min efficiency 5
-  shuffle_enable B
-  make_transp
-  or_next_if_better
-endmatch
+#match $__XILINX_RAMB36_TDP
+#  min bits 4096
+#  min efficiency 5
+#  shuffle_enable B
+#  make_transp
+#  or_next_if_better
+#endmatch
 
 match $__XILINX_RAMB18_TDP
   min bits 4096