From fd3e84941de463fa1a7ebab0a69515b4bf2614cd Mon Sep 17 00:00:00 2001
From: Martin Braun <martin.braun@ettus.com>
Date: Tue, 7 Oct 2014 11:25:20 +0200
Subject: Removed copy of FPGA source files.

---
 fpga/usrp1/models/bustri.v     | 17 ---------
 fpga/usrp1/models/fifo.v       | 82 ------------------------------------------
 fpga/usrp1/models/fifo_1c_1k.v | 81 -----------------------------------------
 fpga/usrp1/models/fifo_1c_2k.v | 81 -----------------------------------------
 fpga/usrp1/models/fifo_1c_4k.v | 76 ---------------------------------------
 fpga/usrp1/models/fifo_1k.v    | 24 -------------
 fpga/usrp1/models/fifo_2k.v    | 24 -------------
 fpga/usrp1/models/fifo_4k.v    | 24 -------------
 fpga/usrp1/models/fifo_4k_18.v | 26 --------------
 fpga/usrp1/models/pll.v        | 33 -----------------
 fpga/usrp1/models/ssram.v      | 38 --------------------
 11 files changed, 506 deletions(-)
 delete mode 100644 fpga/usrp1/models/bustri.v
 delete mode 100644 fpga/usrp1/models/fifo.v
 delete mode 100644 fpga/usrp1/models/fifo_1c_1k.v
 delete mode 100644 fpga/usrp1/models/fifo_1c_2k.v
 delete mode 100644 fpga/usrp1/models/fifo_1c_4k.v
 delete mode 100644 fpga/usrp1/models/fifo_1k.v
 delete mode 100644 fpga/usrp1/models/fifo_2k.v
 delete mode 100644 fpga/usrp1/models/fifo_4k.v
 delete mode 100644 fpga/usrp1/models/fifo_4k_18.v
 delete mode 100644 fpga/usrp1/models/pll.v
 delete mode 100644 fpga/usrp1/models/ssram.v

(limited to 'fpga/usrp1/models')

diff --git a/fpga/usrp1/models/bustri.v b/fpga/usrp1/models/bustri.v
deleted file mode 100644
index 6e5a0f74c..000000000
--- a/fpga/usrp1/models/bustri.v
+++ /dev/null
@@ -1,17 +0,0 @@
-
-// Model for tristate bus on altera
-// FIXME do we really need to use a megacell for this?
-
-module bustri (data,
-	       enabledt,
-	       tridata);
-   
-   input [15:0]  data;
-   input 	 enabledt;
-   inout [15:0]  tridata;
-   
-   assign 	 tridata = enabledt ? data :16'bz;
-   
-endmodule // bustri
-
-
diff --git a/fpga/usrp1/models/fifo.v b/fpga/usrp1/models/fifo.v
deleted file mode 100644
index 0ade49e9c..000000000
--- a/fpga/usrp1/models/fifo.v
+++ /dev/null
@@ -1,82 +0,0 @@
-// Model of FIFO in Altera
-
-module fifo( data, wrreq, rdreq, rdclk, wrclk, aclr, q,
-		    rdfull, rdempty, rdusedw, wrfull, wrempty, wrusedw);
-   
-   parameter width = 16;
-   parameter depth = 1024;
-   parameter addr_bits = 10;
-   
-   //`define rd_req 0;  // Set this to 0 for rd_ack, 1 for rd_req
-   
-   input [width-1:0] data;
-   input 	     wrreq;
-   input 	     rdreq;
-   input 	     rdclk;
-   input 	     wrclk;
-   input 	     aclr;
-   output [width-1:0] q;
-   output 	      rdfull;
-   output 	      rdempty;
-   output reg [addr_bits-1:0]  rdusedw;
-   output wrfull;
-   output wrempty;
-   output reg [addr_bits-1:0]  wrusedw;
-   
-   reg [width-1:0] mem [0:depth-1];
-   reg [addr_bits-1:0] 	      rdptr;
-   reg [addr_bits-1:0] 	      wrptr;
-   
-`ifdef rd_req
-   reg [width-1:0]    q;
-`else
-   wire [width-1:0]   q;
-`endif
-   
-   integer 	      i;
-   
-   always @( aclr)
-     begin
-	wrptr <= #1 0;
-	rdptr <= #1 0;
-	for(i=0;i<depth;i=i+1)
-	  mem[i] <= #1 0;
-     end
-   
-   always @(posedge wrclk)
-     if(wrreq)
-       begin
-	  wrptr <= #1 wrptr+1;
-	  mem[wrptr] <= #1 data;
-       end
-   
-   always @(posedge rdclk)
-     if(rdreq)
-       begin
-   	  rdptr <= #1 rdptr+1;
-`ifdef rd_req
-	  q <= #1 mem[rdptr];
-`endif
-       end
-   
-`ifdef rd_req
-`else
-   assign q = mem[rdptr];
-`endif
-   
-   // Fix these
-   always @(posedge wrclk)
-     wrusedw <= #1 wrptr - rdptr;
-   
-   always @(posedge rdclk)
-     rdusedw <= #1 wrptr - rdptr;
-   
-   assign wrempty = (wrusedw == 0);
-   assign wrfull = (wrusedw == depth-1);
-   
-   assign rdempty = (rdusedw == 0);
-   assign rdfull = (rdusedw == depth-1);
-   
-endmodule // fifo
-
-
diff --git a/fpga/usrp1/models/fifo_1c_1k.v b/fpga/usrp1/models/fifo_1c_1k.v
deleted file mode 100644
index d11040b54..000000000
--- a/fpga/usrp1/models/fifo_1c_1k.v
+++ /dev/null
@@ -1,81 +0,0 @@
-// Model of FIFO in Altera
-
-module fifo_1c_1k ( data, wrreq, rdreq, rdclk, wrclk, aclr, q,
-		    rdfull, rdempty, rdusedw, wrfull, wrempty, wrusedw);
-
-   parameter width = 32;
-   parameter depth = 1024;
-   //`define rd_req 0;  // Set this to 0 for rd_ack, 1 for rd_req
-      
-   input [31:0] data;
-   input 	wrreq;
-   input 	rdreq;
-   input 	rdclk;
-   input 	wrclk;
-   input 	aclr;
-   output [31:0] q;
-   output 	 rdfull;
-   output 	 rdempty;
-   output [9:0]  rdusedw;
-   output 	 wrfull;
-   output 	 wrempty;
-   output [9:0]  wrusedw;
-   
-   reg [width-1:0] mem [0:depth-1];
-   reg [7:0] 	   rdptr;
-   reg [7:0] 	   wrptr;
-   
-`ifdef rd_req
-   reg [width-1:0] q;
-`else
-   wire [width-1:0] q;
-`endif
-   
-   reg [9:0] 	    rdusedw;
-   reg [9:0] 	    wrusedw;
-   
-   integer 	    i;
-
-   always @( aclr)
-     begin
-	wrptr <= #1 0;
-	rdptr <= #1 0;
-	for(i=0;i<depth;i=i+1)
-	  mem[i] <= #1 0;
-     end
-   
-   always @(posedge wrclk)
-     if(wrreq)
-       begin
-	  wrptr <= #1 wrptr+1;
-	  mem[wrptr] <= #1 data;
-       end
-   
-   always @(posedge rdclk)
-     if(rdreq)
-       begin
-   	  rdptr <= #1 rdptr+1;
-`ifdef rd_req
-	  q <= #1 mem[rdptr];
-`endif
-       end
-   
-`ifdef rd_req
-`else
-   assign q = mem[rdptr];
-`endif
-   
-   // Fix these
-   always @(posedge wrclk)
-     wrusedw <= #1 wrptr - rdptr;
-   
-   always @(posedge rdclk)
-     rdusedw <= #1 wrptr - rdptr;
-
-   assign wrempty = (wrusedw == 0);
-   assign wrfull = (wrusedw == depth-1);
-
-   assign rdempty = (rdusedw == 0);
-   assign rdfull = (rdusedw == depth-1);
-   
-endmodule // fifo_1c_1k
diff --git a/fpga/usrp1/models/fifo_1c_2k.v b/fpga/usrp1/models/fifo_1c_2k.v
deleted file mode 100644
index 5c3acfef5..000000000
--- a/fpga/usrp1/models/fifo_1c_2k.v
+++ /dev/null
@@ -1,81 +0,0 @@
-// Model of FIFO in Altera
-
-module fifo_1c_2k ( data, wrreq, rdreq, rdclk, wrclk, aclr, q,
-		    rdfull, rdempty, rdusedw, wrfull, wrempty, wrusedw);
-
-   parameter width = 32;
-   parameter depth = 2048;
-   //`define rd_req 0;  // Set this to 0 for rd_ack, 1 for rd_req
-      
-   input [31:0] data;
-   input 	wrreq;
-   input 	rdreq;
-   input 	rdclk;
-   input 	wrclk;
-   input 	aclr;
-   output [31:0] q;
-   output 	 rdfull;
-   output 	 rdempty;
-   output [10:0]  rdusedw;
-   output 	 wrfull;
-   output 	 wrempty;
-   output [10:0]  wrusedw;
-   
-   reg [width-1:0] mem [0:depth-1];
-   reg [7:0] 	   rdptr;
-   reg [7:0] 	   wrptr;
-   
-`ifdef rd_req
-   reg [width-1:0] q;
-`else
-   wire [width-1:0] q;
-`endif
-   
-   reg [10:0] 	    rdusedw;
-   reg [10:0] 	    wrusedw;
-   
-   integer 	    i;
-
-   always @( aclr)
-     begin
-	wrptr <= #1 0;
-	rdptr <= #1 0;
-	for(i=0;i<depth;i=i+1)
-	  mem[i] <= #1 0;
-     end
-   
-   always @(posedge wrclk)
-     if(wrreq)
-       begin
-	  wrptr <= #1 wrptr+1;
-	  mem[wrptr] <= #1 data;
-       end
-   
-   always @(posedge rdclk)
-     if(rdreq)
-       begin
-   	  rdptr <= #1 rdptr+1;
-`ifdef rd_req
-	  q <= #1 mem[rdptr];
-`endif
-       end
-   
-`ifdef rd_req
-`else
-   assign q = mem[rdptr];
-`endif
-   
-   // Fix these
-   always @(posedge wrclk)
-     wrusedw <= #1 wrptr - rdptr;
-   
-   always @(posedge rdclk)
-     rdusedw <= #1 wrptr - rdptr;
-
-   assign wrempty = (wrusedw == 0);
-   assign wrfull = (wrusedw == depth-1);
-   
-   assign rdempty = (rdusedw == 0);
-   assign rdfull = (rdusedw == depth-1);
-   
-endmodule // fifo_1c_2k
diff --git a/fpga/usrp1/models/fifo_1c_4k.v b/fpga/usrp1/models/fifo_1c_4k.v
deleted file mode 100644
index 3e5ddd052..000000000
--- a/fpga/usrp1/models/fifo_1c_4k.v
+++ /dev/null
@@ -1,76 +0,0 @@
-// Model of FIFO in Altera
-
-module fifo_1c_4k ( data, wrreq, rdreq, rdclk, wrclk, aclr, q,
-		    rdfull, rdempty, rdusedw, wrfull, wrempty, wrusedw);
-
-   parameter width = 32;
-   parameter depth = 4096;
-   //`define rd_req 0;  // Set this to 0 for rd_ack, 1 for rd_req
-      
-   input [31:0] data;
-   input 	wrreq;
-   input 	rdreq;
-   input 	rdclk;
-   input 	wrclk;
-   input 	aclr;
-   output [31:0] q;
-   output 	 rdfull;
-   output 	 rdempty;
-   output [7:0]  rdusedw;
-   output 	 wrfull;
-   output 	 wrempty;
-   output [7:0]  wrusedw;
-   
-   reg [width-1:0] mem [0:depth-1];
-   reg [7:0] 	   rdptr;
-   reg [7:0] 	   wrptr;
-   
-`ifdef rd_req
-   reg [width-1:0] q;
-`else
-   wire [width-1:0] q;
-`endif
-   
-   reg [7:0] 	    rdusedw;
-   reg [7:0] 	    wrusedw;
-   
-   integer 	    i;
-
-   always @( aclr)
-     begin
-	wrptr <= #1 0;
-	rdptr <= #1 0;
-	for(i=0;i<depth;i=i+1)
-	  mem[i] <= #1 0;
-     end
-   
-   always @(posedge wrclk)
-     if(wrreq)
-       begin
-	  wrptr <= #1 wrptr+1;
-	  mem[wrptr] <= #1 data;
-       end
-   
-   always @(posedge rdclk)
-     if(rdreq)
-       begin
-   	  rdptr <= #1 rdptr+1;
-`ifdef rd_req
-	  q <= #1 mem[rdptr];
-`endif
-       end
-   
-`ifdef rd_req
-`else
-   assign q = mem[rdptr];
-`endif
-   
-   // Fix these
-   always @(posedge wrclk)
-     wrusedw <= #1 wrptr - rdptr;
-   
-   always @(posedge rdclk)
-     rdusedw <= #1 wrptr - rdptr;
-   
-   
-endmodule // fifo_1c_4k
diff --git a/fpga/usrp1/models/fifo_1k.v b/fpga/usrp1/models/fifo_1k.v
deleted file mode 100644
index acfa4d176..000000000
--- a/fpga/usrp1/models/fifo_1k.v
+++ /dev/null
@@ -1,24 +0,0 @@
-
-
-module fifo_1k
-  (  input [15:0] data,
-     input 	wrreq,
-     input 	rdreq,
-     input 	rdclk,
-     input 	wrclk,
-     input 	aclr,
-     output [15:0] q,
-     output 	 rdfull,
-     output 	 rdempty,
-     output [9:0] rdusedw,
-     output 	 wrfull,
-     output 	 wrempty,
-     output [9:0]  wrusedw
-     );
-
-fifo #(.width(16),.depth(1024),.addr_bits(10)) fifo_1k 
-  ( data, wrreq, rdreq, rdclk, wrclk, aclr, q,
-    rdfull, rdempty, rdusedw, wrfull, wrempty, wrusedw);
-   
-endmodule // fifo_1k
-   
diff --git a/fpga/usrp1/models/fifo_2k.v b/fpga/usrp1/models/fifo_2k.v
deleted file mode 100644
index 50cd7811d..000000000
--- a/fpga/usrp1/models/fifo_2k.v
+++ /dev/null
@@ -1,24 +0,0 @@
-
-
-module fifo_2k
-  (  input [15:0] data,
-     input 	wrreq,
-     input 	rdreq,
-     input 	rdclk,
-     input 	wrclk,
-     input 	aclr,
-     output [15:0] q,
-     output 	 rdfull,
-     output 	 rdempty,
-     output [10:0] rdusedw,
-     output 	 wrfull,
-     output 	 wrempty,
-     output [10:0]  wrusedw
-     );
-
-fifo #(.width(16),.depth(2048),.addr_bits(11)) fifo_2k 
-  ( data, wrreq, rdreq, rdclk, wrclk, aclr, q,
-    rdfull, rdempty, rdusedw, wrfull, wrempty, wrusedw);
-   
-endmodule // fifo_1k
-   
diff --git a/fpga/usrp1/models/fifo_4k.v b/fpga/usrp1/models/fifo_4k.v
deleted file mode 100644
index 1fa4ba0a7..000000000
--- a/fpga/usrp1/models/fifo_4k.v
+++ /dev/null
@@ -1,24 +0,0 @@
-
-
-module fifo_4k
-  (  input [15:0] data,
-     input 	wrreq,
-     input 	rdreq,
-     input 	rdclk,
-     input 	wrclk,
-     input 	aclr,
-     output [15:0] q,
-     output 	 rdfull,
-     output 	 rdempty,
-     output [11:0] rdusedw,
-     output 	 wrfull,
-     output 	 wrempty,
-     output [11:0]  wrusedw
-     );
-
-fifo #(.width(16),.depth(4096),.addr_bits(12)) fifo_4k 
-  ( data, wrreq, rdreq, rdclk, wrclk, aclr, q,
-    rdfull, rdempty, rdusedw, wrfull, wrempty, wrusedw);
-   
-endmodule // fifo_1k
-   
diff --git a/fpga/usrp1/models/fifo_4k_18.v b/fpga/usrp1/models/fifo_4k_18.v
deleted file mode 100644
index 3efbf74f0..000000000
--- a/fpga/usrp1/models/fifo_4k_18.v
+++ /dev/null
@@ -1,26 +0,0 @@
-
-
-module fifo_4k_18
-  (input  [17:0] data,
-   input         wrreq,
-   input         wrclk,
-   output 	 wrfull,
-   output 	 wrempty,
-   output [11:0] wrusedw,
-
-   output [17:0] q,
-   input         rdreq,
-   input         rdclk,
-   output 	 rdfull,
-   output 	 rdempty,
-   output [11:0] rdusedw,
-
-   input 	 aclr );
-
-fifo #(.width(18),.depth(4096),.addr_bits(12)) fifo_4k 
-  ( data, wrreq, rdreq, rdclk, wrclk, aclr, q,
-    rdfull, rdempty, rdusedw, wrfull, wrempty, wrusedw);
-   
-endmodule // fifo_4k_18
-
-   
diff --git a/fpga/usrp1/models/pll.v b/fpga/usrp1/models/pll.v
deleted file mode 100644
index 1d0cc7966..000000000
--- a/fpga/usrp1/models/pll.v
+++ /dev/null
@@ -1,33 +0,0 @@
-// -*- verilog -*-
-//
-//  USRP - Universal Software Radio Peripheral
-//
-//  Copyright (C) 2003 Matt Ettus
-//
-//  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 2 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, write to the Free Software
-//  Foundation, Inc., 51 Franklin Street, Boston, MA  02110-1301  USA
-//
-
-// Very simple model for the PLL in the RX buffer
-
-module pll (inclk0,c0);
-   
-   input	  inclk0;
-   output	  c0;
-
-   assign 	  c0 = #9 inclk0;
-      
-endmodule // pll
-
-
diff --git a/fpga/usrp1/models/ssram.v b/fpga/usrp1/models/ssram.v
deleted file mode 100644
index fd7339970..000000000
--- a/fpga/usrp1/models/ssram.v
+++ /dev/null
@@ -1,38 +0,0 @@
-
-// Model of Pipelined [ZBT] Synchronous SRAM
-
-module ssram(clock,addr,data,wen,ce);
-   parameter addrbits = 19;
-   parameter depth = 524288;
-
-   input clock;
-   input [addrbits-1:0] addr;
-   inout [35:0] data;
-   input wen;
-   input ce;
-
-   reg [35:0] ram [0:depth-1];
-   
-   reg read_d1,read_d2;
-   reg write_d1,write_d2;
-   reg [addrbits-1:0] addr_d1,addr_d2;
-   
-   always @(posedge clock)
-     begin
-	read_d1 <= #1 ce & ~wen;
-	write_d1 <= #1 ce & wen;
-	addr_d1 <= #1 addr;
-	read_d2 <= #1 read_d1;
-	write_d2 <= #1 write_d1;
-	addr_d2 <= #1 addr_d1;
-	if(write_d2)
-	  ram[addr_d2] = data;
-     end // always @ (posedge clock)
-
-   data = (ce & read_d2) ? ram[addr_d2] : 36'bz;
-
-   always @(posedge clock)
-     if(~ce & (write_d2 | write_d1 | wen))
-       $display("$time ERROR:  RAM CE not asserted during write cycle");
-   
-endmodule // ssram
-- 
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