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authorMatt Ettus <matt@ettus.com>2010-04-15 16:14:57 -0700
committerMatt Ettus <matt@ettus.com>2010-04-15 16:14:57 -0700
commit2e6079841b7509f08a54c67db2ec19e07329e0d9 (patch)
tree1c9f8e6535297dd262e3e7b155ca470bfca64c90 /usrp2
parent883c60cad6756042b5e90785668be3dd98e920bf (diff)
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change time parameters because Xilinx IP has a 1ps timescale
Diffstat (limited to 'usrp2')
-rw-r--r--usrp2/models/gpmc_model_async.v41
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