From: Florent Kermarrec <florent@enjoy-digital.fr>
Date: Mon, 27 Apr 2020 11:17:53 +0000 (+0200)
Subject: build/icestorm: add verilog_read -defer option to yosys script (changes similar the... 
X-Git-Tag: 24jan2021_ls180~432
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=c4c891dec51a77560f8660967f6666b170b517dc;p=litex.git

build/icestorm: add verilog_read -defer option to yosys script (changes similar the ones applied to trellis).
---

diff --git a/litex/build/lattice/icestorm.py b/litex/build/lattice/icestorm.py
index a084a998..2822a9b5 100644
--- a/litex/build/lattice/icestorm.py
+++ b/litex/build/lattice/icestorm.py
@@ -38,7 +38,10 @@ def _build_pre_pack(vns, clocks):
 # Yosys/Nextpnr Helpers/Templates ------------------------------------------------------------------
 
 _yosys_template = [
+    "verilog_defaults -push",
+    "verilog_defaults -add -defer",
     "{read_files}",
+    "verilog_defaults -pop",
     "attrmap -tocase keep -imap keep=\"true\" keep=1 -imap keep=\"false\" keep=0 -remove keep=0",
     "synth_ice40 {synth_opts} -json {build_name}.json -top {build_name} -dsp",
 ]