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/////////////////////////////////////////////////////////////////////
//// ////
//// Author: Eyal Hochberg ////
//// eyal@provartec.com ////
//// ////
//// Downloaded from: http://www.opencores.org ////
/////////////////////////////////////////////////////////////////////
//// ////
//// Copyright (C) 2010 Provartec LTD ////
//// www.provartec.com ////
//// info@provartec.com ////
//// ////
//// 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.////
//// ////
//// 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. http://www.gnu.org/licenses/lgpl.html ////
//// ////
/////////////////////////////////////////////////////////////////////
//---------------------------------------------------------
//-- File generated by RobustVerilog parser
//-- Version: 1.0
//-- Invoked Fri Mar 25 23:34:50 2011
//--
//-- Source file: dma_reg.v
//---------------------------------------------------------
module dma_axi32_reg(clk,reset,pclken,psel,penable,paddr,pwrite,pwdata,prdata,pslverr,core0_idle,ch_int_all_proc0,int_all_proc,core0_clkdiv,core0_ch_start,joint_mode0,rd_prio_top0,rd_prio_high0,rd_prio_top_num0,rd_prio_high_num0,wr_prio_top0,wr_prio_high0,wr_prio_top_num0,wr_prio_high_num0,periph_rx_req_reg,periph_tx_req_reg,periph_rx_clr,periph_tx_clr);
input clk;
input reset;
input pclken;
input psel;
input penable;
input [7:0] paddr;
input pwrite;
input [31:0] pwdata;
output [31:0] prdata;
output pslverr;
input core0_idle;
input [8*1-1:0] ch_int_all_proc0;
output [1-1:0] int_all_proc;
output [3:0] core0_clkdiv;
output [7:0] core0_ch_start;
output joint_mode0;
output rd_prio_top0;
output rd_prio_high0;
output [2:0] rd_prio_top_num0;
output [2:0] rd_prio_high_num0;
output wr_prio_top0;
output wr_prio_high0;
output [2:0] wr_prio_top_num0;
output [2:0] wr_prio_high_num0;
output [31:1] periph_rx_req_reg;
output [31:1] periph_tx_req_reg;
input [31:1] periph_rx_clr;
input [31:1] periph_tx_clr;
`include "dma_axi32_reg_params.v"
wire [31:0] user_def_stat;
wire [31:0] user_def0_stat0;
wire [31:0] user_def0_stat1;
wire user_def_proj;
wire [3:0] user_def_proc_num;
wire user_def_dual_core;
wire user_def_ic;
wire user_def_ic_dual_port;
wire user_def_clkgate;
wire user_def_port0_mux;
wire user_def_port1_mux;
wire wr_joint0;
wire wr_clkdiv0;
wire wr_start0;
wire wr_prio0;
wire [7:0] proc0_int_stat0;
wire [15:0] proc0_int_stat;
wire proc0_int;
wire [1-1:0] int_all_proc_pre;
reg [1-1:0] int_all_proc;
wire wr_periph_rx;
wire wr_periph_tx;
reg [31:1] periph_rx_req_reg;
reg [31:1] periph_tx_req_reg;
wire [7:0] gpaddr;
wire gpwrite;
wire gpread;
reg [31:0] prdata_pre;
reg pslverr_pre;
reg [31:0] prdata;
reg pslverr;
assign wr_joint0 = gpwrite & gpaddr == CORE0_JOINT;
assign wr_clkdiv0 = gpwrite & gpaddr == CORE0_CLKDIV;
assign wr_start0 = gpwrite & gpaddr == CORE0_START;
assign wr_prio0 = gpwrite & gpaddr == CORE0_PRIO;
dma_axi32_reg_core0 dma_axi32_reg_core0(
.clk(clk),
.reset(reset),
.wr_joint(wr_joint0),
.wr_clkdiv(wr_clkdiv0),
.wr_start(wr_start0),
.wr_prio(wr_prio0),
.pwdata(pwdata),
.clkdiv(core0_clkdiv),
.ch_start(core0_ch_start),
.joint_mode(joint_mode0),
.rd_prio_top(rd_prio_top0),
.rd_prio_high(rd_prio_high0),
.rd_prio_top_num(rd_prio_top_num0),
.rd_prio_high_num(rd_prio_high_num0),
.wr_prio_top(wr_prio_top0),
.wr_prio_high(wr_prio_high0),
.wr_prio_top_num(wr_prio_top_num0),
.wr_prio_high_num(wr_prio_high_num0),
.user_def_stat0(user_def0_stat0),
.user_def_stat1(user_def0_stat1),
.ch_int_all_proc(ch_int_all_proc0),
.proc0_int_stat(proc0_int_stat0)
);
assign user_def_proj = 0;
assign user_def_proc_num = 1;
assign user_def_dual_core = 0;
assign user_def_ic = 0;
assign user_def_ic_dual_port = 0;
assign user_def_clkgate = 0;
assign user_def_port0_mux = 0;
assign user_def_port1_mux = 0;
assign user_def_stat =
{user_def_proj, //[31]
{20{1'b0}}, //[30:11]
user_def_port1_mux, //[10]
user_def_port0_mux, //[9]
user_def_clkgate, //[8]
user_def_ic_dual_port, //[7]
user_def_ic, //[6]
user_def_dual_core, //[5]
1'b0, //[4]
user_def_proc_num //[3:0]
};
assign gpaddr = {8{psel}} & paddr;
assign gpwrite = psel & (~penable) & pwrite;
assign gpread = psel & (~penable) & (~pwrite);
assign wr_periph_rx = gpwrite & gpaddr == PERIPH_RX_CTRL;
assign wr_periph_tx = gpwrite & gpaddr == PERIPH_TX_CTRL;
always @(posedge clk or posedge reset)
if (reset)
periph_rx_req_reg <= #1 {31{1'b0}};
else if (wr_periph_rx | (|periph_rx_clr))
periph_rx_req_reg <= #1 ({31{wr_periph_rx}} & pwdata[31:1]) & (~periph_rx_clr);
always @(posedge clk or posedge reset)
if (reset)
periph_tx_req_reg <= #1 {31{1'b0}};
else if (wr_periph_tx | (|periph_tx_clr))
periph_tx_req_reg <= #1 ({31{wr_periph_tx}} & pwdata[31:1]) & (~periph_tx_clr);
assign proc0_int_stat = {proc0_int_stat0};
assign proc0_int = |proc0_int_stat;
assign int_all_proc_pre = {proc0_int};
always @(posedge clk or posedge reset)
if (reset)
int_all_proc <= #1 {1{1'b0}};
else
int_all_proc <= #1 int_all_proc_pre;
always @(*)
begin
prdata_pre = {32{1'b0}};
case (gpaddr)
PROC0_STATUS : prdata_pre = {{16{1'b0}}, proc0_int_stat0};
CORE0_JOINT : prdata_pre = {{31{1'b0}}, joint_mode0};
CORE0_PRIO : prdata_pre = {{16{1'b0}}, wr_prio_high0, wr_prio_high_num0, wr_prio_top0, wr_prio_top_num0, rd_prio_high0, rd_prio_high_num0, rd_prio_top0, rd_prio_top_num0};
CORE0_CLKDIV : prdata_pre = {{28{1'b0}}, core0_clkdiv};
CORE0_START : prdata_pre = {32{1'b0}};
PERIPH_RX_CTRL : prdata_pre = {periph_rx_req_reg, 1'b0};
PERIPH_TX_CTRL : prdata_pre = {periph_tx_req_reg, 1'b0};
IDLE : prdata_pre = {{30{1'b0}}, core0_idle};
USER_DEF_STAT : prdata_pre = user_def_stat;
USER_DEF0_STAT0 : prdata_pre = user_def0_stat0;
USER_DEF0_STAT1 : prdata_pre = user_def0_stat1;
default : prdata_pre = {32{1'b0}};
endcase
end
always @(/*AUTOSENSE*/gpaddr or gpread or gpwrite or psel)
begin
pslverr_pre = 1'b0;
case (gpaddr)
PROC0_STATUS : pslverr_pre = gpwrite; //read only
CORE0_JOINT : pslverr_pre = 1'b0; //read and write
CORE0_PRIO : pslverr_pre = 1'b0; //read and write
CORE0_CLKDIV : pslverr_pre = 1'b0; //read and write
CORE0_START : pslverr_pre = gpread; //write only
PERIPH_RX_CTRL : pslverr_pre = 1'b0; //read and write
PERIPH_TX_CTRL : pslverr_pre = 1'b0; //read and write
IDLE : pslverr_pre = gpwrite; //read only
USER_DEF_STAT : pslverr_pre = gpwrite; //read only
USER_DEF0_STAT0 : pslverr_pre = gpwrite; //read only
USER_DEF0_STAT1 : pslverr_pre = gpwrite; //read only
default : pslverr_pre = psel; //decode error
endcase
end
always @(posedge clk or posedge reset)
if (reset)
prdata <= #1 {32{1'b0}};
else if (gpread & pclken)
prdata <= #1 prdata_pre;
else if (pclken) //zero to allow or in apb_mux
prdata <= #1 {32{1'b0}};
always @(posedge clk or posedge reset)
if (reset)
pslverr <= #1 1'b0;
else if ((gpread | gpwrite) & pclken)
pslverr <= #1 pslverr_pre;
else if (pclken)
pslverr <= #1 1'b0;
endmodule
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