From: Ilia Sergachev <ilia.sergachev@protonmail.ch>
Date: Thu, 25 Jul 2019 17:18:11 +0000 (+0200)
Subject: support vivado incremental implementation
X-Git-Tag: 24jan2021_ls180~1077^2
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=fdb119cb7b14c90c32cf8eaa3c6d99784595dddc;p=litex.git

support vivado incremental implementation
---

diff --git a/litex/build/xilinx/vivado.py b/litex/build/xilinx/vivado.py
index fb039d0e..7204e0be 100644
--- a/litex/build/xilinx/vivado.py
+++ b/litex/build/xilinx/vivado.py
@@ -106,6 +106,7 @@ class XilinxVivadoToolchain:
         self.additional_commands = []
         self.pre_synthesis_commands = []
         self.with_phys_opt = False
+        self.incremental_implementation = False
         self.clocks = dict()
         self.false_paths = set()
 
@@ -154,6 +155,8 @@ class XilinxVivadoToolchain:
         tcl.append("report_utilization -hierarchical -file {}_utilization_hierarchical_synth.rpt".format(build_name))
         tcl.append("report_utilization -file {}_utilization_synth.rpt".format(build_name))
         tcl.append("opt_design")
+        if self.incremental_implementation:
+            tcl.append("read_checkpoint -incremental {}_route.dcp".format(build_name))
         tcl.append("place_design")
         if self.with_phys_opt:
             tcl.append("phys_opt_design -directive AddRetime")