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| author | Robert Ou <rqou@robertou.com> | 2017-06-25 20:16:43 -0700 |
|---|---|---|
| committer | Robert Ou <rqou@robertou.com> | 2017-06-25 23:58:28 -0700 |
| commit | 4af5baab218a78c3af18269db8501031b457ed64 (patch) | |
| tree | 176381bb64c93653d564329b15d62c1823464118 /techlibs/coolrunner2/synth_coolrunner2.cpp | |
| parent | 1eb5dee79954e48210862980e368c2ce3b2762c9 (diff) | |
| download | yosys-4af5baab218a78c3af18269db8501031b457ed64.tar.gz yosys-4af5baab218a78c3af18269db8501031b457ed64.tar.bz2 yosys-4af5baab218a78c3af18269db8501031b457ed64.zip | |
coolrunner2: Initial mapping of DFFs
All DFFs map to either FDCP (matches Xilinx) or a custom FDCP_N
(negative-edge triggered)
Diffstat (limited to 'techlibs/coolrunner2/synth_coolrunner2.cpp')
| -rw-r--r-- | techlibs/coolrunner2/synth_coolrunner2.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/techlibs/coolrunner2/synth_coolrunner2.cpp b/techlibs/coolrunner2/synth_coolrunner2.cpp index 516d29ad0..c58b52cdf 100644 --- a/techlibs/coolrunner2/synth_coolrunner2.cpp +++ b/techlibs/coolrunner2/synth_coolrunner2.cpp @@ -145,6 +145,7 @@ struct SynthCoolrunner2Pass : public ScriptPass { run("opt -fast -full"); run("techmap"); + run("dfflibmap -prepare -liberty +/coolrunner2/xc2_dff.lib"); } if (check_label("map_pla")) @@ -156,6 +157,9 @@ struct SynthCoolrunner2Pass : public ScriptPass if (check_label("map_cells")) { + run("dfflibmap -liberty +/coolrunner2/xc2_dff.lib"); + run("dffinit -ff FDCP Q INIT"); + run("dffinit -ff FDCP_N Q INIT"); run("iopadmap -bits -inpad IBUF O:I -outpad IOBUFE I:IO -inoutpad IOBUFE O:IO -toutpad IOBUFE E:I:IO -tinoutpad IOBUFE E:O:I:IO"); } |