Removed copy of FPGA source files.

1 files changed, 0 insertions, 435 deletions

diff --git a/fpga/usrp2/fifo/buffer_int_tb.v b/fpga/usrp2/fifo/buffer_int_tb.v
deleted file mode 100644
index 44f8be0a0..000000000
--- a/fpga/usrp2/fifo/buffer_int_tb.v
+++ /dev/null
@@ -1,435 +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/>.
-//
-
-
-module buffer_int_tb ();
-
-   reg clk = 0;
-   reg rst = 1;
-
-   initial #100 rst = 0;
-   always #5 clk = ~clk;
-
-   wire en, we;
-   wire [8:0] addr;
-   wire [31:0] fifo2buf, buf2fifo;
-   
-   wire [31:0] rd_data_o;
-   wire [3:0]  rd_flags_o;
-   wire        rd_sop_o, rd_eop_o;
-   reg 	       rd_error_i = 0, rd_read_i = 0;
-   
-   reg [31:0]  wr_data_i = 0;
-   wire [3:0]  wr_flags_i;
-   reg 	       wr_eop_i = 0, wr_sop_i = 0;
-   reg 	       wr_write_i = 0;
-   wire        wr_ready_o, wr_full_o;
-   
-   reg 	       clear = 0, write = 0, read = 0;
-   reg [8:0]   firstline = 0, lastline = 0;
-   wire [3:0]  step = 1;
-   wire [31:0] ctrl_word = {4'b0,3'b0,clear,write,read,step,lastline,firstline};
-   reg 	       go = 0;
-   wire        done, error;
-
-   assign      wr_flags_i = {2'b00, wr_eop_i, wr_sop_i};
-   assign      rd_sop_o = rd_flags_o[0];
-   assign      rd_eop_o = rd_flags_o[1];
-   
-   buffer_int buffer_int
-     (.clk(clk),.rst(rst),
-      .ctrl_word(ctrl_word),.go(go),
-      .done(done),.error(error),
-      
-      // Buffer Interface
-      .en_o(en),.we_o(we),.addr_o(addr),
-      .dat_to_buf(fifo2buf),.dat_from_buf(buf2fifo),
-
-      // Write FIFO Interface
-      .wr_data_i(wr_data_i), .wr_flags_i(wr_flags_i), .wr_write_i(wr_write_i), .wr_ready_o(wr_ready_o),
-
-      // Read FIFO Interface
-      .rd_data_o(rd_data_o), .rd_flags_o(rd_flags_o), .rd_ready_o(rd_ready_o), .rd_read_i(rd_read_i)
-      );
-   
-   reg 	       ram_en = 0, ram_we = 0;
-   reg [8:0]   ram_addr = 0;
-   reg [31:0]  ram_data = 0;
-   
-   ram_2port #(.DWIDTH(32),.AWIDTH(9)) ram_2port
-     (.clka(clk), .ena(ram_en), .wea(ram_we), .addra(ram_addr), .dia(ram_data), .doa(),
-      .clkb(clk), .enb(en), .web(we), .addrb(addr), .dib(fifo2buf), .dob(buf2fifo) );
-   
-   initial
-     begin
-	@(negedge rst);
-	@(posedge clk);
-	FillRAM;
-
-	ResetBuffer;
-	SetBufferRead(5,10);
-	$display("Testing full read, no wait states.");
-	while(!rd_sop_o)
-	  @(posedge clk);
-	ReadLines(6,0);
-	repeat (10)
-	  @(posedge clk);
-	
-	ResetBuffer;
-	SetBufferRead(5,10);
-	$display("Testing full read, 2 wait states.");
-	while(!rd_sop_o)
-	  @(posedge clk);
-	ReadLines(6,2);
-	repeat (10)
-	  @(posedge clk);
-
-	ResetBuffer;
-	SetBufferRead(5,10);
-	$display("Testing partial read, 0 wait states, then nothing after last.");
-	while(!rd_sop_o)
-	  @(posedge clk);
-	ReadLines(3,0);
-	repeat (10)
-	  @(posedge clk);
-
-	ResetBuffer;
-	SetBufferRead(5,10);
-	$display("Testing partial read, 0 wait states, then done at same time as last.");
-	while(!rd_sop_o)
-	  @(posedge clk);
-	ReadLines(2,0);
-	ReadALine;
-	repeat (10)
-	  @(posedge clk);
-
-	ResetBuffer;
-	SetBufferRead(5,10);
-	$display("Testing partial read, 3 wait states, then error at same time as last.");
-	while(!rd_sop_o)
-	  @(posedge clk);
-	ReadLines(2,3);
-	rd_error_i <= 1;
-	ReadALine;
-	rd_error_i <= 0;
-	repeat (10)
-	  @(posedge clk);
-
-	ResetBuffer;
-	SetBufferRead(500,511);
-	$display("Testing full read, to the end of the buffer.");
-	while(!rd_sop_o)
-	  @(posedge clk);
-	ReadLines(12,0);
-	repeat (10)
-	  @(posedge clk);
-	
-	ResetBuffer;
-	SetBufferRead(0,511);
-	$display("Testing full read, start to end of the buffer.");
-	while(!rd_sop_o)
-	  @(posedge clk);
-	ReadLines(512,0);
-	repeat (10)
-	  @(posedge clk);
-	
-	ResetBuffer;
-	SetBufferRead(505,3);
-	$display("Testing full read, wraparound");
-	while(!rd_sop_o)
-	  @(posedge clk);
-	ReadLines(11,0);
-	repeat (10)
-	  @(posedge clk);
-
-	ResetBuffer;
-	SetBufferWrite(10,15);
-	$display("Testing Full Write, no wait states");
-	while(!wr_ready_o)
-	  @(posedge clk);
-	WriteLines(6,0,72);
-	repeat (10)
-	  @(posedge clk);
-	
-	ResetBuffer;
-	SetBufferWrite(18,23);
-	$display("Testing Full Write, 1 wait states");
-	while(!wr_ready_o)
-	  @(posedge clk);
-	WriteLines(6,1,101);
-	repeat (10)
-	  @(posedge clk);
-	
-	ResetBuffer;
-	SetBufferWrite(27,40);
-	$display("Testing Partial Write, 0 wait states");
-	while(!wr_ready_o)
-	  @(posedge clk);
-	WriteLines(6,0,201);
-	repeat (10)
-	  @(posedge clk);
-	
-	ResetBuffer;
-	SetBufferWrite(45,200);
-	$display("Testing Partial Write, 0 wait states, then done and write simultaneously");
-	while(!wr_ready_o)
-	  @(posedge clk);
-	wr_sop_i <= 1; wr_eop_i <= 0;
-	WriteLines(6,0,301);
-	wr_sop_i <= 0; wr_eop_i <= 1;
-	WriteALine(400);
-	wr_sop_i <= 0; wr_eop_i <= 0;
-	repeat (10)
-	  @(posedge clk);
-	
-	ResetBuffer;
-	SetBufferWrite(55,200);
-	$display("Testing Partial Write, 0 wait states, then error");
-	while(!wr_ready_o)
-	  @(posedge clk);
-	WriteLines(6,0,501);
-	wr_sop_i <= 1; wr_eop_i <= 1;
-	WriteALine(400);
-	@(posedge clk);
-	repeat (10)
-	  @(posedge clk);
-	wr_sop_i <= 0; wr_eop_i <= 0;
-	
-	ResetBuffer;
-	SetBufferRead(0,82);
-	$display("Testing read after all the writes");
-	while(!rd_sop_o)
-	  @(posedge clk);
-	ReadLines(83,0);
-	repeat (10)
-	  @(posedge clk);
-	
-	ResetBuffer;
-	SetBufferWrite(508,4);
-	$display("Testing wraparound write");
-	while(!wr_ready_o)
-	  @(posedge clk);
-	WriteLines(9,0,601);
-	repeat (10)
-	  @(posedge clk);
-	
-	ResetBuffer;
-	SetBufferRead(506,10);
-	$display("Reading wraparound write");
-	while(!rd_sop_o)
-	  @(posedge clk);
-	ReadLines(17,0);
-	repeat (10)
-	  @(posedge clk);
-	
-	ResetBuffer;
-	SetBufferWrite(0,511);
-	$display("Testing Whole Buffer write");
-	while(!wr_ready_o)
-	  @(posedge clk);
-	WriteLines(512,0,1000);
-	repeat (10)
-	  @(posedge clk);
-	
-	ResetBuffer;
-	SetBufferRead(0,511);
-	$display("Reading Whole Buffer write");
-	while(!rd_sop_o)
-	  @(posedge clk);
-	ReadLines(512,0);
-	repeat (10)
-	  @(posedge clk);
-
-	/*
-	ResetBuffer;
-	SetBufferWrite(5,10);
-	$display("Testing Write Too Many");
-	while(!wr_ready_o)
-	  @(posedge clk);
-	WriteLines(12,0,2000);
-	repeat (10)
-	  @(posedge clk);
-	
-	ResetBuffer;
-	SetBufferRead(0,15);
-	$display("Reading back Write Too Many");
-	while(!rd_sop_o)
-	  @(posedge clk);
-	ReadLines(16,0);
-	repeat (10)
-	  @(posedge clk);
-	*/
-	ResetBuffer;
-	SetBufferWrite(15,20);
-	$display("Testing Write One Less Than Full");
-	while(!wr_ready_o)
-	  @(posedge clk);
-	wr_sop_i <= 1; wr_eop_i <= 0;
-	WriteALine(400);
-	wr_sop_i <= 0; wr_eop_i <= 0;
-	WriteLines(3,0,2000);
-	wr_sop_i <= 0; wr_eop_i <= 1;
-	WriteALine(400);
-	wr_sop_i <= 0; wr_eop_i <= 0;
-	repeat (10)
-	  @(posedge clk);
-	
-	ResetBuffer;
-	SetBufferRead(13,22);
-	$display("Reading back Write One Less Than Full");
-	while(!rd_sop_o)
-	  @(posedge clk);
-	ReadLines(10,0);
-	repeat (10)
-	  @(posedge clk);
-	
-	ResetBuffer;
-	repeat(100)
-	  @(posedge clk);
-	$finish;
-     end
-   
-   always @(posedge clk)
-     if(rd_read_i == 1'd1)
-       $display("READ Buffer %d, rd_sop_o %d, rd_eop_o %d", rd_data_o, rd_sop_o, rd_eop_o);
-
-   always @(posedge clk)
-     if(wr_write_i == 1'd1)
-       $display("WRITE Buffer %d,  wr_ready_o %d, wr_full_o %d", wr_data_i, wr_ready_o, wr_full_o);
-	   
-   initial begin
-      $dumpfile("buffer_int_tb.lxt");
-      $dumpvars(0,buffer_int_tb);
-   end
-
-   task FillRAM;
-      begin
-	 ram_addr <= 0;
-	 ram_data <= 0;
-	 @(posedge clk);
-	 ram_en <= 1;
-	 ram_we <= 1;
-	 @(posedge clk);
-	 repeat (511)
-	   begin
-	      ram_addr <= ram_addr + 1;
-	      ram_data <= ram_data + 1;
-	      ram_en <= 1;
-	      ram_we <= 1;
-	      @(posedge clk);
-	   end
-	 ram_en <= 0;
-	 ram_we <= 0;
-	 @(posedge clk);
-	 $display("Filled the RAM");
-      end
-   endtask // FillRAM
-
-   task ResetBuffer;
-      begin
-	 clear <= 1; read <= 0; write <= 0;
-	 go <= 1;
-	 @(posedge clk);
-	 go <= 0;
-	 @(posedge clk);
-	 $display("Buffer Reset");
-      end
-   endtask // ClearBuffer
-   
-   task SetBufferWrite;
-      input [8:0] start;
-      input [8:0] stop;
-      begin
-	 clear <= 0; read <= 0; write <= 1;
-	 firstline <= start;
-	 lastline <= stop;
-	 go <= 1;
-	 @(posedge clk);
-	 go <= 0;
-	 @(posedge clk);
-	 $display("Buffer Set for Write");
-      end
-   endtask // SetBufferWrite
-   
-   task SetBufferRead;
-      input [8:0] start;
-      input [8:0] stop;
-      begin
-	 clear <= 0; read <= 1; write <= 0;
-	 firstline <= start;
-	 lastline <= stop;
-	 go <= 1;
-	 @(posedge clk);
-	 go <= 0;
-	 @(posedge clk);
-	 $display("Buffer Set for Read");
-      end
-   endtask // SetBufferRead
-
-   task ReadALine;
-      begin
-	 while(~rd_ready_o)
-	   @(posedge clk);
-	 #1 rd_read_i <= 1;
-	 @(posedge clk);
-	 rd_read_i <= 0;
-      end
-   endtask // ReadALine
-
-   task ReadLines;
-      input [9:0] lines;
-      input [7:0] wait_states;
-      begin
-	 $display("Read Lines: Number %d, Wait States %d",lines,wait_states);
-	 repeat (lines)
-	   begin
-	      ReadALine;
-	      repeat (wait_states)
-		@(posedge clk);
-	   end
-      end
-   endtask // ReadLines
-   
-   task WriteALine;
-      input [31:0] value;
-      begin
-	 while(~wr_ready_o)
-	   @(posedge clk);
-	 #1 wr_write_i <= 1;
-	 wr_data_i <= value;
-	 @(posedge clk);
-	 wr_write_i <= 0;
-      end
-   endtask // WriteALine
-   
-   task WriteLines;
-      input [9:0] lines;
-      input [7:0] wait_states;
-      input [31:0] value;
-      begin
-	 $display("Write Lines: Number %d, Wait States %d",lines,wait_states);
-	 repeat(lines)
-	   begin
-	      value <= value + 1;
-	      WriteALine(value);
-	      repeat(wait_states)
-		@(posedge clk);
-	   end
-      end
-   endtask // WriteLines
-   
-endmodule // buffer_int_tb