- keep clk0

git-svn-id: http://moon:8086/svn/vhdl/trunk@1175 cc03376c-175c-47c8-b038-4cd826a8556b
2015-05-23 09:33:27 +00:00
parent 3c0747a0a3
commit 1dc522c559
1 changed files with 5 additions and 1 deletions
@@ -95,7 +95,11 @@ architecture tech of sdram_phy is
 	type u_tag_array_t is array (natural range 0 to 4) of user_tag_t;
 	signal u_tag_pipe : u_tag_array_t;
 	
-begin
+	attribute KEEP : string;
+	attribute KEEP of clk0		: signal is "TRUE";
+
+begin
+
 	clk0_out	<= clk0_s;
 	clk0		<= clk0_s after 10 ps;		-- fix delta delay
 	rst0_out	<= rst0;