From: Florent Kermarrec <florent@enjoy-digital.fr>
Date: Tue, 18 Dec 2018 20:38:23 +0000 (+0100)
Subject: platforms/kcu105: set internal vref on ddr4 banks
X-Git-Tag: 24jan2021_ls180~1433
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=eda1a83ea991958ae98ea0e28f93d6be34271b5b;p=litex.git

platforms/kcu105: set internal vref on ddr4 banks
---

diff --git a/litex/boards/platforms/kcu105.py b/litex/boards/platforms/kcu105.py
index 13e96b7b..53a6dd6d 100644
--- a/litex/boards/platforms/kcu105.py
+++ b/litex/boards/platforms/kcu105.py
@@ -483,3 +483,9 @@ class Platform(XilinxPlatform):
 
     def create_programmer(self):
         return VivadoProgrammer()
+
+    def do_finalize(self, fragment):
+        XilinxPlatform.do_finalize(self, fragment)
+        self.add_platform_command("set_property INTERNAL_VREF {{0.60}} [get_iobanks 44]")
+        self.add_platform_command("set_property INTERNAL_VREF {{0.60}} [get_iobanks 45]")
+        self.add_platform_command("set_property INTERNAL_VREF {{0.60}} [get_iobanks 46]")