diff options
Diffstat (limited to 'fpga/usrp2')
| -rw-r--r-- | fpga/usrp2/gpmc/cross_clock_reader.v | 14 | ||||
| -rw-r--r-- | fpga/usrp2/top/E1x0/u1e_core.v | 2 | 
2 files changed, 9 insertions, 7 deletions
diff --git a/fpga/usrp2/gpmc/cross_clock_reader.v b/fpga/usrp2/gpmc/cross_clock_reader.v index a30e0385f..a8366badc 100644 --- a/fpga/usrp2/gpmc/cross_clock_reader.v +++ b/fpga/usrp2/gpmc/cross_clock_reader.v @@ -1,5 +1,5 @@  // -// Copyright 2011 Ettus Research LLC +// Copyright 2011-2012 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 @@ -26,17 +26,19 @@ module cross_clock_reader          output reg [WIDTH-1:0] out      ); -    reg [WIDTH-1:0] shadow; +    reg [WIDTH-1:0] shadow0, shadow1;      always @(posedge clk) begin          if (rst) begin              out <= DEFAULT; -            shadow <= DEFAULT; +            shadow0 <= DEFAULT; +            shadow1 <= DEFAULT;          end -        else if (shadow == in) begin -            out <= shadow; +        else if (shadow0 == shadow1) begin +            out <= shadow1;          end -        shadow <= in; +        shadow0 <= in; +        shadow1 <= shadow0;      end  endmodule //cross_clock_reader diff --git a/fpga/usrp2/top/E1x0/u1e_core.v b/fpga/usrp2/top/E1x0/u1e_core.v index d4af8c0df..77be1bfb0 100644 --- a/fpga/usrp2/top/E1x0/u1e_core.v +++ b/fpga/usrp2/top/E1x0/u1e_core.v @@ -454,7 +454,7 @@ module u1e_core     // Readback mux 32 -- Slave #7     //compatibility number -> increment when the fpga has been sufficiently altered -   localparam compat_num = {16'd10, 16'd0}; //major, minor +   localparam compat_num = {16'd10, 16'd1}; //major, minor     wire [31:0] reg_test32;  | 
