From: Florent Kermarrec <florent@enjoy-digital.fr>
Date: Tue, 10 Feb 2015 15:23:12 +0000 (+0100)
Subject: targets/udp: create udp loopback on port 8000 with dw=32 (to test data_width converters)
X-Git-Tag: 24jan2021_ls180~2604^2~43
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=974169218f1070f138b62c7577e18ad78da32eb5;p=litex.git

targets/udp: create udp loopback on port 8000 with dw=32 (to test data_width converters)
---

diff --git a/targets/udp.py b/targets/udp.py
index 27b605e0..32d8ee9c 100644
--- a/targets/udp.py
+++ b/targets/udp.py
@@ -114,13 +114,17 @@ class UDPSoC(GenSoC, AutoCSR):
 		self.submodules.phy = LiteEthPHYGMII(platform.request("eth_clocks"), platform.request("eth"))
 		self.submodules.core = LiteEthUDPIPCore(self.phy, 0x10e2d5000000, convert_ip("192.168.1.40"), clk_freq)
 
-		# Create loopback on UDP port 6000
-		loopback_port = self.core.udp.crossbar.get_port(6000)
-		self.submodules.loopback_buffer = PacketBuffer(eth_udp_user_description(8), 8192, 8)
-		self.comb += [
-			Record.connect(loopback_port.source, self.loopback_buffer.sink),
-			Record.connect(self.loopback_buffer.source, loopback_port.sink)
-		]
+		# Create loopback on UDP port 6000 (dw=8)
+		loopback_port = self.core.udp.crossbar.get_port(6000, dw=8)
+		loopback_buffer = PacketBuffer(eth_udp_user_description(8), 8192, 8)
+		self.submodules += loopback_buffer
+		self.comb += Port.connect(loopback_port, loopback_buffer)
+
+		# Create loopback on UDP port 8000 (dw=32)
+		loopback_port = self.core.udp.crossbar.get_port(8000, dw=32)
+		loopback_buffer = PacketBuffer(eth_udp_user_description(32), 2048, 8)
+		self.submodules += loopback_buffer
+		self.comb += Port.connect(loopback_port, loopback_buffer)
 
 class UDPSoCDevel(UDPSoC, AutoCSR):
 	csr_map = {