From 1ab46562bd8fc1689f0119836878935f30d5286a Mon Sep 17 00:00:00 2001
From: Skip Hansen <skip@gfrn.org>
Date: Mon, 25 May 2020 10:11:03 -0700
Subject: [PATCH] Take Ethernet PHY out of reset so default clock is 125 Mhz
 (and baud rate is 115,200)

---
 litex_boards/platforms/pano_logic_g2.py | 3 +++
 litex_boards/targets/pano_logic_g2.py   | 6 ++++++
 2 files changed, 9 insertions(+)
 mode change 100644 => 100755 litex_boards/platforms/pano_logic_g2.py

diff --git a/litex_boards/platforms/pano_logic_g2.py b/litex_boards/platforms/pano_logic_g2.py
old mode 100644
new mode 100755
index 3f83ce1..1462537
--- a/litex_boards/platforms/pano_logic_g2.py
+++ b/litex_boards/platforms/pano_logic_g2.py
@@ -97,6 +97,9 @@ _io = [
         Subsignal("cke", Pins("D2"), IOStandard("SSTL18_II")),
         Subsignal("odt", Pins("J6"), IOStandard("SSTL18_II")),
     ),
+    # Ethernet phy reset (clk125 is 25 Mhz instead of 125 Mhz if reset is active)
+    ("gmii_rst_n", 0, Pins("R11"), IOStandard("LVCMOS33")),
+
 ]
 
 # Platform -----------------------------------------------------------------------------------------
diff --git a/litex_boards/targets/pano_logic_g2.py b/litex_boards/targets/pano_logic_g2.py
index 6c179b1..44f4a5b 100755
--- a/litex_boards/targets/pano_logic_g2.py
+++ b/litex_boards/targets/pano_logic_g2.py
@@ -46,6 +46,12 @@ class BaseSoC(SoCCore):
             sys_clk_freq = sys_clk_freq)
         self.add_csr("leds")
 
+        # Take Ethernet Phy out of reset for SYSCLK of 125 Mhz
+        gmii_rst_n = platform.request("gmii_rst_n")
+        self.comb += [
+            gmii_rst_n.eq(1)
+        ]
+
 # Build --------------------------------------------------------------------------------------------
 
 def main():