From 39bc4e1ef227c3e33349c6c735af26ff4b58a955 Mon Sep 17 00:00:00 2001
From: Denys Fokin <def@melexis.com>
Date: Tue, 10 Dec 2019 11:29:46 +0200
Subject: [PATCH] Do not generate usb_rst upon power-on reset

---
 usb_utils.v | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/usb_utils.v b/usb_utils.v
index 62bbc52..d9db699 100644
--- a/usb_utils.v
+++ b/usb_utils.v
@@ -144,18 +144,20 @@ module usb_reset_detect(
     input se0,
     output usb_rst);
 
+localparam cntr_rst_val = 19'd480000;
+
 reg[18:0] cntr;
 assign usb_rst = cntr == 1'b0;
 
 always @(posedge clk or negedge rst_n) begin
     if (!rst_n) begin
-        cntr <= 1'b0;
+        cntr <= cntr_rst_val;
     end else begin
         if (se0) begin
             if (!usb_rst)
                 cntr <= cntr - 1'b1;
         end else begin
-            cntr <= 19'd480000;
+            cntr <= cntr_rst_val;
         end
     end
 end