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xilinx: Add support for Spartan 3A DSP block RAMs.

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Part of #1550
This commit is contained in:
Marcin Kościelnicki 2020-02-03 18:50:33 +01:00 • committed by Marcelina Kościelnicka
parent 1784d25f53
commit 95c46ccc55
3 changed files with 39 additions and 1 deletions
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7
techlibs/xilinx/synth_xilinx.cc
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@ -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") {