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-rw-r--r--techlibs/xilinx/synth_xilinx.cc7
1 files changed, 6 insertions, 1 deletions
diff --git a/techlibs/xilinx/synth_xilinx.cc b/techlibs/xilinx/synth_xilinx.cc
index 5a28bb139..705591cf7 100644
--- a/techlibs/xilinx/synth_xilinx.cc
+++ b/techlibs/xilinx/synth_xilinx.cc
@@ -438,7 +438,12 @@ struct SynthXilinxPass : public ScriptPass
run("memory_bram -rules +/xilinx/{family}_brams.txt");
run("techmap -map +/xilinx/{family}_brams_map.v");
} else if (!nobram) {
- if (family == "xc6s") {
+ if (family == "xc3sda") {
+ // Supported block RAMs for Spartan 3A DSP are
+ // a subset of Spartan 6's ones.
+ run("memory_bram -rules +/xilinx/xc3sda_brams.txt");
+ run("techmap -map +/xilinx/xc6s_brams_map.v");
+ } else if (family == "xc6s") {
run("memory_bram -rules +/xilinx/xc6s_brams.txt");
run("techmap -map +/xilinx/xc6s_brams_map.v");
} else if (family == "xc6v" || family == "xc7") {