blob: 09d1d296b1adc469a06810143ab1d5f32b93c477 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
|
// verilator lint_off WIDTHEXPAND
// verilator lint_off WIDTHTRUNC
/////////////////////////////////////////////////////////////////////
//// ////
//// 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 23:34:54 2011
//--
//-- Source file: dma_ch_fifo.v
//---------------------------------------------------------
module dma_axi32_core0_ch_fifo (CLK,WR,RD,WR_ADDR,RD_ADDR,DIN,BSEL,DOUT);
input CLK;
input WR;
input RD;
input [5-2-1:0] WR_ADDR;
input [5-2-1:0] RD_ADDR;
input [32-1:0] DIN;
input [4-1:0] BSEL;
output [32-1:0] DOUT;
reg [32-1:0] Mem [8-1:0];
wire [32-1:0] BitSEL;
wire [32-1:0] DIN_BitSEL;
reg [32-1:0] DOUT;
assign BitSEL = {{8{BSEL[3]}} , {8{BSEL[2]}} , {8{BSEL[1]}} , {8{BSEL[0]}}};
assign DIN_BitSEL = (Mem[WR_ADDR] & ~BitSEL) | (DIN & BitSEL);
always @(posedge CLK)
if (WR)
Mem[WR_ADDR] <= DIN_BitSEL;
always @(posedge CLK)
if (RD)
DOUT <= Mem[RD_ADDR];
endmodule
// verilator lint_on WIDTHEXPAND
// verilator lint_on WIDTHTRUNC
|