moved usrp1 and usrp2 fpga dirs into fpga subdirectory

1 files changed, 53 insertions, 0 deletions

diff --git a/fpga/usrp2/models/SRL16E.v b/fpga/usrp2/models/SRL16E.v
new file mode 100644
index 000000000..e71a419ac
--- /dev/null
+++ b/fpga/usrp2/models/SRL16E.v
@@ -0,0 +1,53 @@
+// $Header: /devl/xcs/repo/env/Databases/CAEInterfaces/verunilibs/data/unisims/SRL16E.v,v 1.7 2005/03/14 22:32:58 yanx Exp $
+///////////////////////////////////////////////////////////////////////////////
+// Copyright (c) 1995/2004 Xilinx, Inc.
+// All Right Reserved.
+///////////////////////////////////////////////////////////////////////////////
+//   ____  ____
+//  /   /\/   /
+// /___/  \  /    Vendor : Xilinx
+// \   \   \/     Version : 8.1i (I.13)
+//  \   \         Description : Xilinx Functional Simulation Library Component
+//  /   /                  16-Bit Shift Register Look-Up-Table with Clock Enable
+// /___/   /\     Filename : SRL16E.v
+// \   \  /  \    Timestamp : Thu Mar 25 16:43:40 PST 2004
+//  \___\/\___\
+//
+// Revision:
+//    03/23/04 - Initial version.
+// End Revision
+
+`timescale  1 ps / 1 ps
+
+
+module SRL16E (Q, A0, A1, A2, A3, CE, CLK, D);
+
+    parameter INIT = 16'h0000;
+
+    output Q;
+
+    input  A0, A1, A2, A3, CE, CLK, D;
+
+    reg  [15:0] data;
+
+
+    assign Q = data[{A3, A2, A1, A0}];
+
+    initial
+    begin
+          assign  data = INIT;
+          while (CLK === 1'b1 || CLK===1'bX) 
+            #10; 
+          deassign data;
+    end
+
+    always @(posedge CLK)
+    begin
+	if (CE == 1'b1) begin
+	    {data[15:0]} <= #100 {data[14:0], D};
+	end
+    end
+
+
+endmodule
+