From 36957538f291ed74867609046cfc816d3f13999a Mon Sep 17 00:00:00 2001
From: Matt Ettus <matt@ettus.com>
Date: Sat, 3 Jul 2010 19:01:42 -0700
Subject: fix bug which caused serdes fifo to disappear
---
usrp2/serdes/serdes_rx.v | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
(limited to 'usrp2')
diff --git a/usrp2/serdes/serdes_rx.v b/usrp2/serdes/serdes_rx.v
index afefccaa1..b6688e858 100644
--- a/usrp2/serdes/serdes_rx.v
+++ b/usrp2/serdes/serdes_rx.v
@@ -260,12 +260,13 @@ module serdes_rx
// Internal FIFO, size 9 is 2K, size 10 is 4K Bytes
assign write = eop_i | (error_i & have_space) | (write_d & (state != CRC_CHECK));
-
- fifo_2clock_cascade #(.WIDTH(35),.SIZE(FIFOSIZE)) serdes_rx_fifo
+ wire dummy; // avoid warning on unconnected pin
+
+ fifo_2clock_cascade #(.WIDTH(36),.SIZE(FIFOSIZE)) serdes_rx_fifo
(.arst(rst),
- .wclk(ser_rx_clk),.datain({error_i,sop_i,eop_i,line_i}),
+ .wclk(ser_rx_clk),.datain({1'b0,error_i,sop_i,eop_i,line_i}),
.src_rdy_i(write), .dst_rdy_o(have_space), .space(fifo_space),
- .rclk(clk),.dataout({error_o,sop_o,eop_o,line_o}),
+ .rclk(clk),.dataout({dummy,error_o,sop_o,eop_o,line_o}),
.src_rdy_o(wr_ready_o), .dst_rdy_i(wr_ready_i), .occupied(fifo_occupied) );
assign fifo_full = ~have_space; // Note -- in the wrong clock domain
--
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