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| author | Matt Ettus <matt@ettus.com> | 2010-02-25 16:50:09 -0800 |
|---|---|---|
| committer | Matt Ettus <matt@ettus.com> | 2010-02-25 16:50:09 -0800 |
| commit | 030f6a21539207c058b982ffade384ec7a937ec2 (patch) | |
| tree | 8432bb4f2536604762a81b1c6847687bb77c2819 /usrp2/models | |
| parent | 0d9c46ae002cad7c144432e86987a81eb33157fc (diff) | |
| download | uhd-030f6a21539207c058b982ffade384ec7a937ec2.tar.gz uhd-030f6a21539207c058b982ffade384ec7a937ec2.tar.bz2 uhd-030f6a21539207c058b982ffade384ec7a937ec2.zip | |
First cut at passing data buffers around on GPMC bus
Diffstat (limited to 'usrp2/models')
| -rw-r--r-- | usrp2/models/gpmc_model.v | 23 |
1 files changed, 19 insertions, 4 deletions
diff --git a/usrp2/models/gpmc_model.v b/usrp2/models/gpmc_model.v index 38dde1fa5..1e7dcdde5 100644 --- a/usrp2/models/gpmc_model.v +++ b/usrp2/models/gpmc_model.v @@ -22,6 +22,7 @@ module gpmc_model end task GPMC_Write; + input ctrl; input [10:0] addr; input [15:0] data; begin @@ -29,10 +30,14 @@ module gpmc_model EM_A <= addr[10:1]; EM_D_int <= data; #2.01; - EM_NCS6 <= 0; + if(ctrl) + EM_NCS6 <= 0; + else + EM_NCS4 <= 0; #14; EM_NWE <= 0; #77.5; + EM_NCS4 <= 1; EM_NCS6 <= 1; //#1.5; EM_NWE <= 1; @@ -43,15 +48,20 @@ module gpmc_model endtask // GPMC_Write task GPMC_Read; + input ctrl; input [10:0] addr; begin #1.3; EM_A <= addr[10:1]; #3; - EM_NCS6 <= 0; + if(ctrl) + EM_NCS6 <= 0; + else + EM_NCS4 <= 0; #14; EM_NOE <= 0; #77.5; + EM_NCS4 <= 1; EM_NCS6 <= 1; //#1.5; $display("Data Read from GPMC: %X",EM_D); @@ -64,9 +74,14 @@ module gpmc_model initial begin #1000; - GPMC_Write(36,16'hBEEF); + GPMC_Write(1,36,16'hF00D); #1000; - GPMC_Read(36); + GPMC_Read(1,36); + #1000; + GPMC_Write(0,36,16'hF00D); + GPMC_Write(0,38,16'hF00D); + GPMC_Write(0,40,16'hF00D); + GPMC_Write(0,11'h7FFE,16'hF00D); #1000; $finish; end |