moved fifos into gpmc_async, reorganized top level a bit, added in crc packet gen and test

3 files changed, 48 insertions, 6 deletions

diff --git a/usrp2/control_lib/newfifo/packet_generator32.v b/usrp2/control_lib/newfifo/packet_generator32.v
new file mode 100644
index 000000000..6f8004964
--- /dev/null
+++ b/usrp2/control_lib/newfifo/packet_generator32.v
@@ -0,0 +1,21 @@
+
+
+module packet_generator32
+  (input clk, input reset, input clear,
+   output [35:0] data_o, output src_rdy_o, input dst_rdy_i);
+
+   wire [7:0] 	     ll_data;
+   wire 	     ll_sof, ll_eof, ll_src_rdy, ll_dst_rdy_n;
+   
+   packet_generator pkt_gen
+     (.clk(clk), .reset(reset), .clear(clear),
+      .data_o(ll_data), .sof_o(ll_sof), .eof_o(ll_eof),
+      .src_rdy_o(ll_src_rdy), .dst_rdy_i(~ll_dst_rdy_n));
+
+   ll8_to_fifo36 ll8_to_f36
+     (.clk(clk), .reset(reset), .clear(clear),
+      .ll_data(ll_data), .ll_sof_n(~ll_sof), .ll_eof_n(~ll_eof),
+      .ll_src_rdy_n(~ll_src_rdy), .ll_dst_rdy_n(ll_dst_rdy_n),
+      .f36_data(data_o), .f36_src_rdy_o(src_rdy_o), .f36_dst_rdy_i(dst_rdy_i));
+   
+endmodule // packet_generator32
diff --git a/usrp2/control_lib/newfifo/packet_verifier.v b/usrp2/control_lib/newfifo/packet_verifier.v
index 22c924198..b49ad1bbb 100644
--- a/usrp2/control_lib/newfifo/packet_verifier.v
+++ b/usrp2/control_lib/newfifo/packet_verifier.v
@@ -7,28 +7,26 @@
 
 module packet_verifier
   (input clk, input reset, input clear,
-   input [7:0] data_i, input sof_i, output eof_i, input src_rdy_i, output dst_rdy_o,
+   input [7:0] data_i, input sof_i, input eof_i, input src_rdy_i, output dst_rdy_o,
 
    output reg [31:0] total, 
    output reg [31:0] crc_err, 
    output reg [31:0] seq_err, 
    output reg [31:0] len_err);
 
-   assign dst_rdy_o = ~last_byte_d1;
-
    reg [31:0] 	     seq_num;
    reg [31:0] 	     length;
+   wire 	     first_byte, last_byte;
+   reg 		     second_byte, last_byte_d1;
 
    wire 	     calc_crc = src_rdy_i & dst_rdy_o;
    
    crc crc(.clk(clk), .reset(reset), .clear(last_byte_d1), .data(data_i), 
 	   .calc(calc_crc), .crc_out(), .match(match_crc));
 
-   wire 	     first_byte, last_byte;
-   reg 		     second_byte, last_byte_d1;
-
    assign first_byte = src_rdy_i & dst_rdy_o & sof_i;
    assign last_byte = src_rdy_i & dst_rdy_o & eof_i;
+   assign dst_rdy_o = ~last_byte_d1;
 
    // stubs for now
    wire 	     match_seq = 1;
diff --git a/usrp2/control_lib/newfifo/packet_verifier32.v b/usrp2/control_lib/newfifo/packet_verifier32.v
new file mode 100644
index 000000000..065607b6c
--- /dev/null
+++ b/usrp2/control_lib/newfifo/packet_verifier32.v
@@ -0,0 +1,23 @@
+
+
+module packet_verifier32
+  (input clk, input reset, input clear,
+   input [35:0] data_i, input src_rdy_i, output dst_rdy_o,
+   output [31:0] total, output [31:0] crc_err, output [31:0] seq_err, output [31:0] len_err);
+
+   wire [7:0] 	     ll_data;
+   wire 	     ll_sof_n, ll_eof_n, ll_src_rdy_n, ll_dst_rdy;
+   
+   fifo36_to_ll8 f36_to_ll8
+     (.clk(clk), .reset(reset), .clear(clear),
+      .f36_data(data_i), .f36_src_rdy_i(src_rdy_i), .f36_dst_rdy_o(dst_rdy_o),
+      .ll_data(ll_data), .ll_sof_n(ll_sof_n), .ll_eof_n(ll_eof_n),
+      .ll_src_rdy_n(ll_src_rdy_n), .ll_dst_rdy_n(~ll_dst_rdy));
+   
+   packet_verifier pkt_ver
+     (.clk(clk), .reset(reset), .clear(clear),
+      .data_i(ll_data), .sof_i(~ll_sof_n), .eof_i(~ll_eof_n),
+      .src_rdy_i(~ll_src_rdy_n), .dst_rdy_o(ll_dst_rdy),
+      .total(total), .crc_err(crc_err), .seq_err(seq_err), .len_err(len_err));
+
+endmodule // packet_verifier32