1 files changed, 0 insertions, 94 deletions
diff --git a/fpga/usrp2/simple_gemac/ethtx_realign.v b/fpga/usrp2/simple_gemac/ethtx_realign.v
deleted file mode 100644
index 236b2d4e1..000000000
--- a/fpga/usrp2/simple_gemac/ethtx_realign.v
+++ /dev/null
@@ -1,94 +0,0 @@
-//
-// Copyright 2011 Ettus Research LLC
-//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program.  If not, see <http://www.gnu.org/licenses/>.
-//
-
-
-////////////////////////////////////////////////////////////////////////
-// Ethernet TX - Realign
-//
-// - removes a 2-byte pad from the front a fifo36 stream
-// - occupancy is preserved
-//
-
-module ethtx_realign
-   (input clk, input reset, input clear,
-    input [35:0] datain, input src_rdy_i, output dst_rdy_o,
-    output [35:0] dataout, output src_rdy_o, input dst_rdy_i);
-
-   reg [1:0] 	  state;
-   reg [15:0] 	  held;
-   reg [1:0] 	  held_occ;
-   reg 		  held_sof;
-   
-   wire 	  xfer_in = src_rdy_i & dst_rdy_o;
-   wire 	  xfer_out = src_rdy_o & dst_rdy_i;
-
-   wire 	  sof_in = datain[32];
-   wire 	  eof_in = datain[33];
-   wire [1:0] 	  occ_in = datain[35:34];
-   wire 	  occ_low = occ_in[1] ^ occ_in[0]; //occ is 1 or 2
-
-   always @(posedge clk)
-     if(reset | clear)
-       begin
-	  held <= 0;
-	  held_occ <= 0;
-	  held_sof <= 0;
-       end
-     else if(xfer_in)
-       begin
-	  held <= datain[15:0];
-	  held_occ <= occ_in;
-	  held_sof <= sof_in;
-       end
-   
-   localparam RE_IDLE = 0;
-   localparam RE_HELD = 1;
-   localparam RE_DONE = 2;
-
-   always @(posedge clk)
-     if(reset | clear)
-       state <= RE_IDLE;
-     else
-       case(state)
-	 RE_IDLE :
-	   if(xfer_in & eof_in)
-	     state <= RE_DONE;
-	   else if(xfer_in & sof_in)
-	     state <= RE_HELD;
-
-	 RE_HELD :
-	   if(xfer_in & xfer_out & eof_in)
-	     if(occ_low)
-	       state <= RE_IDLE;
-	     else
-	       state <= RE_DONE;
-
-	 RE_DONE :
-	   if(xfer_out)
-	     state <= RE_IDLE;
-	 
-       endcase // case (state)
-
-   wire sof_out = held_sof;
-   wire eof_out = (state == RE_HELD)? (eof_in & occ_low) : (state == RE_DONE);
-   wire [1:0] occ_out = ((state == RE_DONE)? held_occ : occ_in) ^ 2'b10; //(occ + 2)%4
-
-   assign dataout = {occ_out,eof_out,sof_out,held,datain[31:16]};
-   assign src_rdy_o = (state == RE_HELD)? src_rdy_i : (state == RE_DONE);
-   assign dst_rdy_o = (state == RE_HELD)? dst_rdy_i : (state == RE_IDLE);
-
-endmodule // ethtx_realign