Pushing the bulk of UHD-3.7.0 code.

Original-commit: ff1546f8137f7f92bb250f685561b0c34cc0e053
2014-02-14 12:05:07 -08:00
parent 29086f9001
commit fbbc991a7d
2194 changed files with 1489297 additions and 1084 deletions
@@ -0,0 +1,22 @@
+//
+// Copyright 2013 Ettus Research LLC
+//
+
+module data_swapper_64 (
+   input  [2:0]   swap_lanes,
+
+   input  [63:0]  i_tdata,
+   output [63:0]  o_tdata
+);
+   localparam SWAP_32B = 3'b100;
+   localparam SWAP_16B = 3'b010;
+   localparam SWAP_8B  = 3'b001;
+
+   wire [63:0] data_p1, data_p2;
+
+   assign data_p1 = (|(swap_lanes & SWAP_32B)) ? { i_tdata[31:0], i_tdata[63:32] } : i_tdata;
+   assign data_p2 = (|(swap_lanes & SWAP_16B)) ? { data_p1[47:32], data_p1[63:48], data_p1[15:0],  data_p1[31:16] } : data_p1;
+   assign o_tdata = (|(swap_lanes & SWAP_8B))  ? { data_p2[55:48], data_p2[63:56], data_p2[39:32], data_p2[47:40], 
+                                                   data_p2[23:16], data_p2[31:24], data_p2[7:0],   data_p2[15:8]  } : data_p2;
+
+endmodule // data_swapper_64