do not leave NX_RAM empty to prevent removing it

YosysHQ · Apr 24, 2024 · 4ef2446 · 4ef2446
1 parent b429593
commit 4ef2446
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diff --git a/techlibs/nanoxplore/brams_map.v b/techlibs/nanoxplore/brams_map.v
@@ -29,4 +29,16 @@ input [12:0] PORT_B_ADDR;
 input [PORT_B_WIDTH-1:0] PORT_B_WR_DATA;
 output [PORT_B_WIDTH-1:0] PORT_B_RD_DATA;
 
+NX_RAM_WRAP #(
+) _TECHMAP_REPLACE_ (
+    .ACK(PORT_A_CLK),
+    .AA(PORT_A_ADDR),
+    .AI(PORT_A_WR_DATA),
+    .AO(PORT_A_RD_DATA),
+
+    .BCK(PORT_B_CLK),
+    .BA(PORT_B_ADDR),
+    .BI(PORT_B_WR_DATA),
+    .BO(PORT_B_RD_DATA)
+);
 endmodule
diff --git a/techlibs/nanoxplore/synth_nanoxplore.cc b/techlibs/nanoxplore/synth_nanoxplore.cc
@@ -264,6 +264,7 @@ struct SynthNanoXplorePass : public ScriptPass
 				args += " [-no-auto-block] [-no-auto-distributed]";
 			run("memory_libmap -lib +/nanoxplore/rf_rams"+ postfix + ".txt -lib +/nanoxplore/brams.txt" + args, "(-no-auto-block if -nobram, -no-auto-distributed if -norfram)");
 			run("techmap -map +/nanoxplore/rf_rams_map"+ postfix + ".v -map +/nanoxplore/brams_map.v");
+			run("techmap -map +/nanoxplore/cells_wrap.v t:NX_RAM*");
 			run("techmap -map +/nanoxplore/cells_wrap" + postfix + ".v t:NX_XRFB* t:NX_RFB*");
 		}