From 197bdcb02654bab8798dbb83e0d51e4ee1b493e8 Mon Sep 17 00:00:00 2001 From: Florent Kermarrec Date: Mon, 9 Mar 2020 16:51:11 +0100 Subject: [PATCH] lattice/icestorm: enable DSP inference with Yosys and avoid setting SPI Flash in deep sleep mode after configuration which prevent running ROM CPU code from SPI Flash. --- litex/build/lattice/icestorm.py | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/litex/build/lattice/icestorm.py b/litex/build/lattice/icestorm.py index 0f6fc68b2..3555a1398 100644 --- a/litex/build/lattice/icestorm.py +++ b/litex/build/lattice/icestorm.py @@ -40,7 +40,7 @@ def _build_pre_pack(vns, clocks): _yosys_template = [ "{read_files}", "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}", + "synth_ice40 {synth_opts} -json {build_name}.json -top {build_name} -dsp", ] def _yosys_import_sources(platform): @@ -91,7 +91,7 @@ _build_template = [ "yosys -l {build_name}.rpt {build_name}.ys", "nextpnr-ice40 --json {build_name}.json --pcf {build_name}.pcf --asc {build_name}.txt \ --pre-pack {build_name}_pre_pack.py --{architecture} --package {package}", - "icepack {build_name}.txt {build_name}.bin" + "icepack -s {build_name}.txt {build_name}.bin" ] def _build_script(build_template, build_name, architecture, package):