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authorEddie Hung <eddie@fpgeh.com>2019-04-09 14:33:37 -0700
committerEddie Hung <eddie@fpgeh.com>2019-04-09 14:33:37 -0700
commit3e368593eb22d16de60c44ea721ca146082d3472 (patch)
tree74765bfb250caf957e792e0f81b2fd0775d33cd3 /techlibs/xilinx
parentfd88ab5c834a45f4828a03fe7722b321e5f7c032 (diff)
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Add cells.lut to techlibs/xilinx/
Diffstat (limited to 'techlibs/xilinx')
-rw-r--r--techlibs/xilinx/Makefile.inc1
-rw-r--r--techlibs/xilinx/cells.lut15
2 files changed, 16 insertions, 0 deletions
diff --git a/techlibs/xilinx/Makefile.inc b/techlibs/xilinx/Makefile.inc
index 9937c0c9c..432bb0770 100644
--- a/techlibs/xilinx/Makefile.inc
+++ b/techlibs/xilinx/Makefile.inc
@@ -31,6 +31,7 @@ $(eval $(call add_share_file,share/xilinx,techlibs/xilinx/arith_map.v))
$(eval $(call add_share_file,share/xilinx,techlibs/xilinx/ff_map.v))
$(eval $(call add_share_file,share/xilinx,techlibs/xilinx/lut_map.v))
$(eval $(call add_share_file,share/xilinx,techlibs/xilinx/cells.box))
+$(eval $(call add_share_file,share/xilinx,techlibs/xilinx/cells.lut))
$(eval $(call add_gen_share_file,share/xilinx,techlibs/xilinx/brams_init_36.vh))
$(eval $(call add_gen_share_file,share/xilinx,techlibs/xilinx/brams_init_32.vh))
diff --git a/techlibs/xilinx/cells.lut b/techlibs/xilinx/cells.lut
new file mode 100644
index 000000000..3f3b69a8e
--- /dev/null
+++ b/techlibs/xilinx/cells.lut
@@ -0,0 +1,15 @@
+# Max delays from https://pastebin.com/v2hrcksd
+# from https://github.com/SymbiFlow/prjxray/pull/706#issuecomment-479380321
+
+# Since LUT delays are pushed onto the fabric as routing delays,
+# assume each input costs +100ps
+
+# K area delay
+1 11 224
+2 12 224 324
+3 13 224 324 424
+4 14 224 324 424 524
+5 15 224 324 424 524 624
+6 20 224 324 424 524 624 724
+7 40 224 324 424 524 624 724 1020
+8 80 224 324 424 524 624 724 1020 1293