mirrors/yosys
3
0
Fork 0
mirror of https://github.com/YosysHQ/yosys synced 2025-10-31 03:32:29 +00:00
Code Activity

Refactored synth_greenpak4 to use iopadmap for mapping GP_IOBUF/GP_OBUFT cells instead of extract

Browse source
This commit is contained in:
Andrew Zonenberg 2016-05-04 15:55:16 -07:00
parent 9647dc3c07
commit a613f171ae
3 changed files with 1 additions and 18 deletions
Download patch file Download diff file Expand all files Collapse all files

1
techlibs/greenpak4/Makefile.inc
View file

@ -2,7 +2,6 @@
OBJS += techlibs/greenpak4/synth_greenpak4.o
OBJS += techlibs/greenpak4/greenpak4_counters.o
$(eval $(call add_share_file,share/greenpak4,techlibs/greenpak4/cells_extract.v))
$(eval $(call add_share_file,share/greenpak4,techlibs/greenpak4/cells_map.v))
$(eval $(call add_share_file,share/greenpak4,techlibs/greenpak4/cells_sim.v))
$(eval $(call add_share_file,share/greenpak4,techlibs/greenpak4/gp_dff.lib))

15
techlibs/greenpak4/cells_extract.v
View file

@ -1,15 +0,0 @@
//Wrapper module to patch up output of iopadmap
module GP_IOBUF(input IN, output OUT, input OE, inout IO);
GP_IBUF ibuf(
.IN(IO),
.OUT(OUT)
);
$_TBUF_ tbuf(
.A(IN),
.E(OE),
.Y(OUT)
);
endmodule

3
techlibs/greenpak4/synth_greenpak4.cc
View file

@ -176,8 +176,7 @@ struct SynthGreenPAK4Pass : public ScriptPass
if (check_label("map_cells"))
{
run("shregmap -tech greenpak4");
run("iopadmap -bits -inpad GP_IBUF OUT:IN -outpad GP_OBUF IN:OUT -inoutpad GP_IBUF OUT:IN");
run("extract -map +/greenpak4/cells_extract.v -verbose");
run("iopadmap -bits -inpad GP_IBUF OUT:IN -outpad GP_OBUF IN:OUT -inoutpad GP_OBUF OUT:IN -toutpad GP_OBUFT OE:IN:OUT -tinoutpad GP_IOBUF OE:OUT:IN:IO");
run("dfflibmap -liberty +/greenpak4/gp_dff.lib");
run("techmap -map +/greenpak4/cells_map.v");
run("dffinit -ff GP_DFF Q INIT");