[Milkymist-devel] Memory test fail on ML-401

[Clark Xin]

diff is attached, my current DQS value is 20.

On Sat, Jul 18, 2009 at 6:07 PM, Sébastien Bourdeauducq <
sebastien.bourdeauducq at lekernel.net> wrote:

> On Saturday 18 July 2009 16.39.42 Clark Xin wrote:
> > Works fine. thank you :)
>
> Can you detail which modifications you made and what DQS value you are
> using,
> so that I can test on my board and possibly include it in the releases?
>
> Thanks
> Sébastien
>
>
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--- milkymist-core/boards/xilinx-ml401/rtl/ddram.v	2009-07-02 18:02:25.000000000 +0300
+++ milkymist-core/boards/xilinx-ml401/rtl/ddram.v	2009-07-18 16:02:43.000000000 +0300
@@ -108,7 +108,7 @@
 	.CLKIN_DIVIDE_BY_2("FALSE"),
 	.CLKIN_PERIOD(`CLOCK_PERIOD),
 	.CLKOUT_PHASE_SHIFT("VARIABLE"),
-	.CLK_FEEDBACK("NONE"),
+	.CLK_FEEDBACK("1X"),
 	.DESKEW_ADJUST("SYSTEM_SYNCHRONOUS"),
 	.DFS_FREQUENCY_MODE("LOW"),
 	.DLL_FREQUENCY_MODE("LOW"),
@@ -129,7 +129,7 @@
 	.CLKFX(),
 	.CLKFX180(),
 	.LOCKED(locked2),
-	.CLKFB(),
+	.CLKFB(dqs_clk),
 	.CLKIN(sys_clk),
 	.RST(sys_rst),