| 1 |
779 |
lampret |
//////////////////////////////////////////////////////////////////////
|
| 2 |
|
|
//// ////
|
| 3 |
|
|
//// MP3 demo SRAM init ////
|
| 4 |
|
|
//// ////
|
| 5 |
|
|
//// This file is part of the MP3 demo application ////
|
| 6 |
|
|
//// http://www.opencores.org/cores/or1k/mp3/ ////
|
| 7 |
|
|
//// ////
|
| 8 |
|
|
//// Description ////
|
| 9 |
|
|
//// Optional SRAM content initialization (for debugging ////
|
| 10 |
|
|
//// purposes) ////
|
| 11 |
|
|
//// ////
|
| 12 |
|
|
//// To Do: ////
|
| 13 |
|
|
//// - nothing really ////
|
| 14 |
|
|
//// ////
|
| 15 |
|
|
//// Author(s): ////
|
| 16 |
|
|
//// - Damjan Lampret, lampret@opencores.org ////
|
| 17 |
|
|
//// ////
|
| 18 |
|
|
//////////////////////////////////////////////////////////////////////
|
| 19 |
|
|
//// ////
|
| 20 |
|
|
//// Copyright (C) 2001 Authors ////
|
| 21 |
|
|
//// ////
|
| 22 |
|
|
//// This source file may be used and distributed without ////
|
| 23 |
|
|
//// restriction provided that this copyright statement is not ////
|
| 24 |
|
|
//// removed from the file and that any derivative work contains ////
|
| 25 |
|
|
//// the original copyright notice and the associated disclaimer. ////
|
| 26 |
|
|
//// ////
|
| 27 |
|
|
//// This source file is free software; you can redistribute it ////
|
| 28 |
|
|
//// and/or modify it under the terms of the GNU Lesser General ////
|
| 29 |
|
|
//// Public License as published by the Free Software Foundation; ////
|
| 30 |
|
|
//// either version 2.1 of the License, or (at your option) any ////
|
| 31 |
|
|
//// later version. ////
|
| 32 |
|
|
//// ////
|
| 33 |
|
|
//// This source is distributed in the hope that it will be ////
|
| 34 |
|
|
//// useful, but WITHOUT ANY WARRANTY; without even the implied ////
|
| 35 |
|
|
//// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR ////
|
| 36 |
|
|
//// PURPOSE. See the GNU Lesser General Public License for more ////
|
| 37 |
|
|
//// details. ////
|
| 38 |
|
|
//// ////
|
| 39 |
|
|
//// You should have received a copy of the GNU Lesser General ////
|
| 40 |
|
|
//// Public License along with this source; if not, download it ////
|
| 41 |
|
|
//// from http://www.opencores.org/lgpl.shtml ////
|
| 42 |
|
|
//// ////
|
| 43 |
|
|
//////////////////////////////////////////////////////////////////////
|
| 44 |
|
|
//
|
| 45 |
|
|
// CVS Revision History
|
| 46 |
|
|
//
|
| 47 |
|
|
// $Log: not supported by cvs2svn $
|
| 48 |
|
|
// Revision 1.1.1.1 2001/11/04 18:51:07 lampret
|
| 49 |
|
|
// First import.
|
| 50 |
|
|
//
|
| 51 |
|
|
//
|
| 52 |
|
|
`ifdef SRAM_INIT
|
| 53 |
|
|
|
| 54 |
|
|
module sram_init;
|
| 55 |
|
|
|
| 56 |
|
|
reg [7:0] mem [135005:0];
|
| 57 |
|
|
reg [31:0] tmp;
|
| 58 |
|
|
|
| 59 |
|
|
task init_sram;
|
| 60 |
|
|
integer i;
|
| 61 |
|
|
begin
|
| 62 |
|
|
#1;
|
| 63 |
|
|
|
| 64 |
|
|
$display("Initializing SRAM ...");
|
| 65 |
|
|
$readmemh("../src/flash.in", mem);
|
| 66 |
|
|
for (i=0; i < 135000; i=i+4) begin
|
| 67 |
|
|
xess_top.Sram_r1.mem_array[i/4] = mem[i];
|
| 68 |
|
|
xess_top.Sram_r0.mem_array[i/4] = mem[i+1];
|
| 69 |
|
|
xess_top.Sram_l1.mem_array[i/4] = mem[i+2];
|
| 70 |
|
|
xess_top.Sram_l0.mem_array[i/4] = mem[i+3];
|
| 71 |
|
|
end
|
| 72 |
|
|
|
| 73 |
|
|
`ifdef UNUSED
|
| 74 |
|
|
|
| 75 |
|
|
for (i=0; i < 135000; i=i+4) begin
|
| 76 |
|
|
tmp[31:24] = xess_top.Sram_r1.temp_array[i/4];
|
| 77 |
|
|
tmp[23:16] = xess_top.Sram_r0.temp_array[i/4];
|
| 78 |
|
|
tmp[15:8] = xess_top.Sram_l1.temp_array[i/4];
|
| 79 |
|
|
tmp[7:0] = xess_top.Sram_l0.temp_array[i/4];
|
| 80 |
|
|
$display("%h %h", i, tmp);
|
| 81 |
|
|
tmp[31:24] = xess_top.Sram_r1.mem_array[i/4];
|
| 82 |
|
|
tmp[23:16] = xess_top.Sram_r0.mem_array[i/4];
|
| 83 |
|
|
tmp[15:8] = xess_top.Sram_l1.mem_array[i/4];
|
| 84 |
|
|
tmp[7:0] = xess_top.Sram_l0.mem_array[i/4];
|
| 85 |
|
|
$display("%h %h", i, tmp);
|
| 86 |
|
|
end
|
| 87 |
|
|
|
| 88 |
|
|
`endif
|
| 89 |
|
|
|
| 90 |
|
|
end
|
| 91 |
|
|
endtask
|
| 92 |
|
|
|
| 93 |
|
|
endmodule
|
| 94 |
|
|
|
| 95 |
|
|
`endif
|
