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authorMartin Braun <martin.braun@ettus.com>2014-10-07 11:25:20 +0200
committerMartin Braun <martin.braun@ettus.com>2014-10-07 11:25:20 +0200
commitfd3e84941de463fa1a7ebab0a69515b4bf2614cd (patch)
tree3fa721a13d41d2c0451d663a59a220a38fd5e614 /fpga/usrp3/lib/xge/rtl/verilog/generic_mem_medium.v
parent3b66804e41891e358c790b453a7a59ec7462dba4 (diff)
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Removed copy of FPGA source files.
Diffstat (limited to 'fpga/usrp3/lib/xge/rtl/verilog/generic_mem_medium.v')
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diff --git a/fpga/usrp3/lib/xge/rtl/verilog/generic_mem_medium.v b/fpga/usrp3/lib/xge/rtl/verilog/generic_mem_medium.v
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@@ -1,180 +0,0 @@
-//////////////////////////////////////////////////////////////////////
-//// ////
-//// File name "generic_mem_medium.v" ////
-//// ////
-//// This file is part of the "10GE MAC" project ////
-//// http://www.opencores.org/cores/xge_mac/ ////
-//// ////
-//// Author(s): ////
-//// - A. Tanguay (antanguay@opencores.org) ////
-//// ////
-//////////////////////////////////////////////////////////////////////
-//// ////
-//// Copyright (C) 2008 AUTHORS. All rights reserved. ////
-//// ////
-//// This source file may be used and distributed without ////
-//// restriction provided that this copyright statement is not ////
-//// removed from the file and that any derivative work contains ////
-//// the original copyright notice and the associated disclaimer. ////
-//// ////
-//// This source file is free software; you can redistribute it ////
-//// and/or modify it under the terms of the GNU Lesser General ////
-//// Public License as published by the Free Software Foundation; ////
-//// either version 2.1 of the License, or (at your option) any ////
-//// later version. ////
-//// ////
-//// This source 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 Lesser General Public License for more ////
-//// details. ////
-//// ////
-//// You should have received a copy of the GNU Lesser General ////
-//// Public License along with this source; if not, download it ////
-//// from http://www.opencores.org/lgpl.shtml ////
-//// ////
-//////////////////////////////////////////////////////////////////////
-
-
-module generic_mem_medium(
-
- wclk,
- wrst_n,
- wen,
- waddr,
- wdata,
-
- rclk,
- rrst_n,
- ren,
- roen,
- raddr,
- rdata
-);
-
-//---
-// Parameters
-
-parameter DWIDTH = 32;
-parameter AWIDTH = 3;
-parameter RAM_DEPTH = (1 << AWIDTH);
-parameter SYNC_WRITE = 1;
-parameter SYNC_READ = 1;
-parameter REGISTER_READ = 0;
-
-//---
-// Ports
-
-input wclk;
-input wrst_n;
-input wen;
-input [AWIDTH:0] waddr;
-input [DWIDTH-1:0] wdata;
-
-input rclk;
-input rrst_n;
-input ren;
-input roen;
-input [AWIDTH:0] raddr;
-output [DWIDTH-1:0] rdata;
-
-// Registered outputs
-reg [DWIDTH-1:0] rdata;
-
-
-//---
-// Local declarations
-
-// Registers
-
-reg [DWIDTH-1:0] mem_rdata;
-
-
-// Memory - infer using Xilinx pragma for block ram.
-//synthesis attribute ram_style of mem is block
-reg [DWIDTH-1:0] mem [0:RAM_DEPTH-1];
-
-// Variables
-
-integer i;
-
-
-//---
-// Memory Write
-
-generate
- if (SYNC_WRITE) begin
-
- // Generate synchronous write
- always @(posedge wclk)
- begin
- if (wen) begin
- mem[waddr[AWIDTH-1:0]] <= wdata;
- end
- end
- end
- else begin
-
- // Generate asynchronous write
- always @(wen, waddr, wdata)
- begin
- if (wen) begin
- mem[waddr[AWIDTH-1:0]] = wdata;
- end
- end
- end
-endgenerate
-
-//---
-// Memory Read
-
-generate
- if (SYNC_READ) begin
-
- // Generate registered memory read
- always @(posedge rclk /* IJB or negedge rrst_n*/)
- begin
- if (!rrst_n) begin
- mem_rdata <= {(DWIDTH){1'b0}};
- end else if (ren) begin
- mem_rdata <= mem[raddr[AWIDTH-1:0]];
- end
- end
- end
- else begin
-
- // Generate unregisters memory read
- always @(raddr, rclk)
- begin
- mem_rdata = mem[raddr[AWIDTH-1:0]];
- end
- end
-endgenerate
-
-generate
- if (REGISTER_READ) begin
-
- // Generate registered output
- always @(posedge rclk /* IJB or negedge rrst_n*/ )
- begin
- if (!rrst_n) begin
- rdata <= {(DWIDTH){1'b0}};
- end else if (roen) begin
- rdata <= mem_rdata;
- end
- end
-
- end
- else begin
-
- // Generate unregisters output
- always @(mem_rdata)
- begin
- rdata = mem_rdata;
- end
-
- end
-endgenerate
-
-endmodule
-