From 4c5369bf5771147d9453e6dceb6a3ef56c5a263e Mon Sep 17 00:00:00 2001
From: Zanting <zanting>
Date: Wed, 15 Apr 2015 14:52:25 +0000
Subject: [PATCH] Fixed default value of wr_snk_out.xon to '1'. This fixes the
DDR3 issue on hardware.
---
libraries/io/ddr/src/vhdl/io_ddr_driver.vhd | 1 +
1 file changed, 1 insertion(+)
diff --git a/libraries/io/ddr/src/vhdl/io_ddr_driver.vhd b/libraries/io/ddr/src/vhdl/io_ddr_driver.vhd
index 7f702f0446..7d99c30ffe 100644
--- a/libraries/io/ddr/src/vhdl/io_ddr_driver.vhd
+++ b/libraries/io/ddr/src/vhdl/io_ddr_driver.vhd
@@ -172,6 +172,7 @@ BEGIN
ctlr_mosi.burstbegin <= '0'; -- only used for legacy DDR controllers, because the controller can derive it internally by counting wr and rd accesses
ctlr_mosi.burstsize <= TO_MEM_CTLR_BURSTSIZE(burst_size); -- burstsize >= 1,
-- no need to hold during burst, because the Avalon constantBurstBehaviour=FALSE (default) of the DDR IP slave
+ wr_snk_out.xon <= '1'; -- xon is fixed '1'
wr_snk_out.ready <= '0';
nxt_dvr_done <= '0';
nxt_cur_address <= cur_address;
--
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