From ab47612cf0b6f2226d192fbc9db80c5b225a4f2d Mon Sep 17 00:00:00 2001 From: Matt Ettus Date: Thu, 10 Sep 2009 23:11:44 -0700 Subject: Remove old mac. Good riddance. --- usrp2/fpga/eth/rtl/verilog/RMON/RMON_ctrl.v | 283 ---------------------------- 1 file changed, 283 deletions(-) delete mode 100644 usrp2/fpga/eth/rtl/verilog/RMON/RMON_ctrl.v (limited to 'usrp2/fpga/eth/rtl/verilog/RMON/RMON_ctrl.v') diff --git a/usrp2/fpga/eth/rtl/verilog/RMON/RMON_ctrl.v b/usrp2/fpga/eth/rtl/verilog/RMON/RMON_ctrl.v deleted file mode 100644 index 4fc038dc8..000000000 --- a/usrp2/fpga/eth/rtl/verilog/RMON/RMON_ctrl.v +++ /dev/null @@ -1,283 +0,0 @@ -////////////////////////////////////////////////////////////////////// -//// //// -//// RMON_ctrl.v //// -//// //// -//// This file is part of the Ethernet IP core project //// -//// http://www.opencores.org/projects.cgi/web/ethernet_tri_mode///// -//// //// -//// Author(s): //// -//// - Jon Gao (gaojon@yahoo.com) //// -//// //// -//// //// -////////////////////////////////////////////////////////////////////// -//// //// -//// Copyright (C) 2001 Authors //// -//// //// -//// 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 //// -//// //// -////////////////////////////////////////////////////////////////////// -// -// CVS Revision History -// -// $Log: RMON_ctrl.v,v $ -// Revision 1.4 2006/06/25 04:58:57 maverickist -// no message -// -// Revision 1.3 2006/01/19 14:07:55 maverickist -// verification is complete. -// -// Revision 1.2 2005/12/16 06:44:19 Administrator -// replaced tab with space. -// passed 9.6k length frame test. -// -// Revision 1.1.1.1 2005/12/13 01:51:45 Administrator -// no message -// -module RMON_ctrl ( -Clk , -Reset , -//RMON_ctrl -Reg_apply_0 , -Reg_addr_0 , -Reg_data_0 , -Reg_next_0 , -Reg_apply_1 , -Reg_addr_1 , -Reg_data_1 , -Reg_next_1 , -//dual-port ram -Addra , -Dina , -Douta , -Wea , -//CPU -CPU_rd_addr , -CPU_rd_apply , -CPU_rd_grant , -CPU_rd_dout - -); -input Clk ; -input Reset ; - //RMON_ctrl -input Reg_apply_0 ; -input [4:0] Reg_addr_0 ; -input [15:0] Reg_data_0 ; -output Reg_next_0 ; -input Reg_apply_1 ; -input [4:0] Reg_addr_1 ; -input [15:0] Reg_data_1 ; -output Reg_next_1 ; - //dual-port ram - //port-a for Rmon -output [5:0] Addra ; -output [31:0] Dina ; -input [31:0] Douta ; -output Wea ; - //CPU -input [5:0] CPU_rd_addr ; -input CPU_rd_apply ; -output CPU_rd_grant ; -output [31:0] CPU_rd_dout ; - - - - -//****************************************************************************** -//internal signals -//****************************************************************************** - -parameter StateCPU =4'd00; -parameter StateMAC0 =4'd01; -parameter StateMAC1 =4'd02; - - -reg [3:0] CurrentState /* synthesys syn_keep=1 */; -reg [3:0] NextState; -reg [3:0] CurrentState_reg; - -reg [4:0] StepCounter; -reg [5:0] Addra ; -reg [31:0] Dina; -reg Reg_next_0 ; -reg Reg_next_1 ; -reg Write; -reg Read; -reg Pipeline; -reg [31:0] CPU_rd_dout ; -reg CPU_rd_apply_reg ; -//****************************************************************************** -//State Machine -//****************************************************************************** - -always @(posedge Clk or posedge Reset) - if (Reset) - CurrentState <=StateMAC0; - else - CurrentState <=NextState; - -always @(posedge Clk or posedge Reset) - if (Reset) - CurrentState_reg <=StateMAC0; - else if(CurrentState!=StateCPU) - CurrentState_reg <=CurrentState; - -always @(CurrentState or CPU_rd_apply_reg or Reg_apply_0 or CurrentState_reg - or Reg_apply_1 - or StepCounter - ) - case(CurrentState) - StateMAC0: - if(!Reg_apply_0&&CPU_rd_apply_reg) - NextState =StateCPU; - else if(!Reg_apply_0) - NextState =StateMAC1; - else - NextState =CurrentState; - StateMAC1: - if(!Reg_apply_1&&CPU_rd_apply_reg) - NextState =StateCPU; - else if(!Reg_apply_1) - NextState =StateMAC0; - else - NextState =CurrentState; - StateCPU: - if (StepCounter==3) - case (CurrentState_reg) - StateMAC0 :NextState =StateMAC0 ; - StateMAC1 :NextState =StateMAC1 ; - default :NextState =StateMAC0; - endcase - else - NextState =CurrentState; - - default: - NextState =StateMAC0; - endcase - - - -always @(posedge Clk or posedge Reset) - if (Reset) - StepCounter <=0; - else if(NextState!=CurrentState) - StepCounter <=0; - else if (StepCounter!=4'hf) - StepCounter <=StepCounter + 1; - -//****************************************************************************** -//temp signals -//****************************************************************************** -always @(StepCounter) - if( StepCounter==1||StepCounter==4|| - StepCounter==7||StepCounter==10) - Read =1; - else - Read =0; - -always @(StepCounter or CurrentState) - if( StepCounter==2||StepCounter==5|| - StepCounter==8||StepCounter==11) - Pipeline =1; - else - Pipeline =0; - -always @(StepCounter or CurrentState) - if( StepCounter==3||StepCounter==6|| - StepCounter==9||StepCounter==12) - Write =1; - else - Write =0; - - -//****************************************************************************** -//gen output signals -//****************************************************************************** -//Addra -always @(*) - case(CurrentState) - StateMAC0 : Addra={1'd0 ,Reg_addr_0 }; - StateMAC1 : Addra={1'd1 ,Reg_addr_1 }; - StateCPU: Addra=CPU_rd_addr; - default: Addra=0; - endcase - -//Dina -always @(posedge Clk or posedge Reset) - if (Reset) - Dina <=0; - else - case(CurrentState) - StateMAC0 : Dina<=Douta+Reg_data_0 ; - StateMAC1 : Dina<=Douta+Reg_data_1 ; - StateCPU: Dina<=0; - default: Dina<=0; - endcase - -assign Wea =Write; -//Reg_next -always @(CurrentState or Pipeline) - if(CurrentState==StateMAC0) - Reg_next_0 =Pipeline; - else - Reg_next_0 =0; - -always @(CurrentState or Pipeline) - if(CurrentState==StateMAC1) - Reg_next_1 =Pipeline; - else - Reg_next_1 =0; - - -//CPU_rd_grant -reg CPU_rd_apply_dl1; -reg CPU_rd_apply_dl2; -//rising edge -always @ (posedge Clk or posedge Reset) - if (Reset) - begin - CPU_rd_apply_dl1 <=0; - CPU_rd_apply_dl2 <=0; - end - else - begin - CPU_rd_apply_dl1 <=CPU_rd_apply; - CPU_rd_apply_dl2 <=CPU_rd_apply_dl1; - end - -always @ (posedge Clk or posedge Reset) - if (Reset) - CPU_rd_apply_reg <=0; - else if (CPU_rd_apply_dl1&!CPU_rd_apply_dl2) - CPU_rd_apply_reg <=1; - else if (CurrentState==StateCPU&&Write) - CPU_rd_apply_reg <=0; - -assign CPU_rd_grant = CPU_rd_apply & CPU_rd_apply_dl1 & CPU_rd_apply_dl2 & !CPU_rd_apply_reg; - -always @ (posedge Clk or posedge Reset) - if (Reset) - CPU_rd_dout <=0; - else if (Pipeline&&CurrentState==StateCPU) - CPU_rd_dout <=Douta; - -endmodule -- cgit