From: Eddie Hung <eddie@fpgeh.com>
Date: Wed, 10 Apr 2019 15:49:39 +0000 (-0700)
Subject: Update LUT delays
X-Git-Tag: working-ls180~1208^2~369
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=4dac9818bde02222f951c25ada5f3fd651ea4e36;p=yosys.git

Update LUT delays
---

diff --git a/techlibs/xilinx/cells.lut b/techlibs/xilinx/cells.lut
index 3f3b69a8e..a1d9b9c42 100644
--- a/techlibs/xilinx/cells.lut
+++ b/techlibs/xilinx/cells.lut
@@ -1,15 +1,12 @@
 # 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
+1 	11	624
+2	12	624
+3	13	624
+4	14	624
+5	15	624
+6	20	724
+7	40	1020
+8	80	1293