From 7617a82fe6df811496d68426bbadd0c562c84a93 Mon Sep 17 00:00:00 2001
From: Florent Kermarrec <florent@enjoy-digital.fr>
Date: Thu, 24 Sep 2020 10:27:38 +0200
Subject: [PATCH] targets/kcu105: create specific cd_eth for ethernet.
---
litex/boards/targets/kcu105.py | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/litex/boards/targets/kcu105.py b/litex/boards/targets/kcu105.py
index 147ead5f3..7a9111d9c 100755
--- a/litex/boards/targets/kcu105.py
+++ b/litex/boards/targets/kcu105.py
@@ -32,6 +32,7 @@ class _CRG(Module):
self.clock_domains.cd_sys4x = ClockDomain(reset_less=True)
self.clock_domains.cd_pll4x = ClockDomain(reset_less=True)
self.clock_domains.cd_clk200 = ClockDomain()
+ self.clock_domains.cd_eth = ClockDomain()
# # #
@@ -40,6 +41,7 @@ class _CRG(Module):
pll.register_clkin(platform.request("clk125"), 125e6)
pll.create_clkout(self.cd_pll4x, sys_clk_freq*4, buf=None, with_reset=False)
pll.create_clkout(self.cd_clk200, 200e6, with_reset=False)
+ pll.create_clkout(self.cd_eth, 200e6)
self.specials += [
Instance("BUFGCE_DIV", name="main_bufgce_div",
@@ -87,7 +89,7 @@ class BaseSoC(SoCCore):
# Ethernet / Etherbone ---------------------------------------------------------------------
if with_ethernet or with_etherbone:
- self.submodules.ethphy = KU_1000BASEX(self.crg.cd_clk200.clk,
+ self.submodules.ethphy = KU_1000BASEX(self.crg.cd_eth.clk,
data_pads = self.platform.request("sfp", 0),
sys_clk_freq = self.clk_freq)
self.add_csr("ethphy")