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Diffstat (limited to 'fpga/usrp2/models/gpmc_model_async.v')
| -rw-r--r-- | fpga/usrp2/models/gpmc_model_async.v | 147 |
1 files changed, 0 insertions, 147 deletions
diff --git a/fpga/usrp2/models/gpmc_model_async.v b/fpga/usrp2/models/gpmc_model_async.v deleted file mode 100644 index 22b3cdf9f..000000000 --- a/fpga/usrp2/models/gpmc_model_async.v +++ /dev/null @@ -1,147 +0,0 @@ -// -// Copyright 2011 Ettus Research LLC -// -// This program is free software: you can redistribute it and/or modify -// it under the terms of the GNU General Public License as published by -// the Free Software Foundation, either version 3 of the License, or -// (at your option) any later version. -// -// This program 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 General Public License for more details. -// -// You should have received a copy of the GNU General Public License -// along with this program. If not, see <http://www.gnu.org/licenses/>. -// - -`timescale 1ps/1ps - -module gpmc_model_async - (output EM_CLK, inout [15:0] EM_D, output reg [10:1] EM_A, output reg [1:0] EM_NBE, - output reg EM_WAIT0, output reg EM_NCS4, output reg EM_NCS6, - output reg EM_NWE, output reg EM_NOE ); - - assign EM_CLK = 0; - reg [15:0] EM_D_int; - assign EM_D = EM_D_int; - - initial - begin - EM_A <= 10'bz; - EM_NBE <= 2'b11; - EM_NWE <= 1; - EM_NOE <= 1; - EM_NCS4 <= 1; - EM_NCS6 <= 1; - EM_D_int <= 16'bz; - EM_WAIT0 <= 0; // FIXME this is actually an input - end - - task GPMC_Write; - input ctrl; - input [10:0] addr; - input [15:0] data; - begin - #23000; - EM_A <= addr[10:1]; - EM_D_int <= data; - #20100; - if(ctrl) - EM_NCS6 <= 0; - else - EM_NCS4 <= 0; - #14000; - EM_NWE <= 0; - #77500; - EM_NCS4 <= 1; - EM_NCS6 <= 1; - //#1.5; - EM_NWE <= 1; - #60000; - EM_A <= 10'bz; - EM_D_int <= 16'bz; - end - endtask // GPMC_Write - - task GPMC_Read; - input ctrl; - input [10:0] addr; - begin - #13000; - EM_A <= addr[10:1]; - #3000; - if(ctrl) - EM_NCS6 <= 0; - else - EM_NCS4 <= 0; - #14000; - EM_NOE <= 0; - #77500; - EM_NCS4 <= 1; - EM_NCS6 <= 1; - //#1.5; - $display("Data Read from GPMC: %X",EM_D); - EM_NOE <= 1; - #254000; - EM_A <= 10'bz; - end - endtask // GPMC_Read - - initial - begin - #1000000; - GPMC_Write(1,36,16'hF00D); - #1000000; - GPMC_Read(1,36); - #1000000; - GPMC_Write(0,0,16'h1234); - GPMC_Write(0,0,16'h5678); - GPMC_Write(0,0,16'h9abc); - GPMC_Write(0,0,16'hF00D); - GPMC_Write(0,0,16'hDEAD); - GPMC_Write(0,0,16'hDEAD); - GPMC_Write(0,0,16'hDEAD); - GPMC_Write(0,0,16'hDEAD); - GPMC_Write(0,0,16'hDEAD); - GPMC_Write(0,0,16'hDEAD); - #1000000; - GPMC_Write(0,0,16'h1234); - GPMC_Write(0,0,16'h5678); - GPMC_Write(0,0,16'h9abc); - GPMC_Write(0,0,16'hF00D); - GPMC_Write(0,0,16'hDEAD); - GPMC_Write(0,0,16'hDEAD); - GPMC_Write(0,0,16'hDEAD); - GPMC_Write(0,0,16'hDEAD); - GPMC_Write(0,0,16'hDEAD); - GPMC_Write(0,0,16'h9876); - #1000000; - GPMC_Read(0,0); - GPMC_Read(0,0); - GPMC_Read(0,0); - GPMC_Read(0,0); - GPMC_Read(0,0); - GPMC_Read(0,0); - GPMC_Read(0,0); - GPMC_Read(0,0); - GPMC_Read(0,0); - GPMC_Read(0,0); - #1000000; - GPMC_Read(0,0); - GPMC_Read(0,0); - GPMC_Read(0,0); - GPMC_Read(0,0); - GPMC_Read(0,0); - GPMC_Read(0,0); - GPMC_Read(0,0); - GPMC_Read(0,0); - GPMC_Read(0,0); - GPMC_Read(0,0); - #1000000; - GPMC_Read(0,0); - #100000000; - $finish; - end - -endmodule // gpmc_model_async |