diff options
Diffstat (limited to 'usrp2/models')
| -rw-r--r-- | usrp2/models/gpmc_model_async.v | 41 |
1 files changed, 27 insertions, 14 deletions
diff --git a/usrp2/models/gpmc_model_async.v b/usrp2/models/gpmc_model_async.v index a63a5a8fd..64b596284 100644 --- a/usrp2/models/gpmc_model_async.v +++ b/usrp2/models/gpmc_model_async.v @@ -1,4 +1,4 @@ - +`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, @@ -26,22 +26,22 @@ module gpmc_model_async input [10:0] addr; input [15:0] data; begin - #2.3; + #23000; EM_A <= addr[10:1]; EM_D_int <= data; - #2.01; + #20100; if(ctrl) EM_NCS6 <= 0; else EM_NCS4 <= 0; - #14; + #14000; EM_NWE <= 0; - #77.5; + #77500; EM_NCS4 <= 1; EM_NCS6 <= 1; //#1.5; EM_NWE <= 1; - #60; + #60000; EM_A <= 10'bz; EM_D_int <= 16'bz; end @@ -51,33 +51,33 @@ module gpmc_model_async input ctrl; input [10:0] addr; begin - #1.3; + #13000; EM_A <= addr[10:1]; - #3; + #3000; if(ctrl) EM_NCS6 <= 0; else EM_NCS4 <= 0; - #14; + #14000; EM_NOE <= 0; - #77.5; + #77500; EM_NCS4 <= 1; EM_NCS6 <= 1; //#1.5; $display("Data Read from GPMC: %X",EM_D); EM_NOE <= 1; - #254; + #254000; EM_A <= 10'bz; end endtask // GPMC_Read initial begin - #1000; + #1000000; GPMC_Write(1,36,16'hF00D); - #1000; + #1000000; GPMC_Read(1,36); - #1000; + #1000000; GPMC_Write(0,36,16'h1234); GPMC_Write(0,38,16'h5678); GPMC_Write(0,40,16'h9abc); @@ -89,6 +89,19 @@ module gpmc_model_async GPMC_Write(0,11'h7FE,16'hDEAD); GPMC_Write(0,11'h7FE,16'hDEAD); #100000; + 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); + #100000; + GPMC_Read(0,0); + #100000000; $finish; end |