aboutsummaryrefslogtreecommitdiffstats
path: root/usrp2/gpmc/fifo_to_gpmc_async.v
diff options
context:
space:
mode:
Diffstat (limited to 'usrp2/gpmc/fifo_to_gpmc_async.v')
-rw-r--r--usrp2/gpmc/fifo_to_gpmc_async.v49
1 files changed, 0 insertions, 49 deletions
diff --git a/usrp2/gpmc/fifo_to_gpmc_async.v b/usrp2/gpmc/fifo_to_gpmc_async.v
deleted file mode 100644
index bb4c58ec4..000000000
--- a/usrp2/gpmc/fifo_to_gpmc_async.v
+++ /dev/null
@@ -1,49 +0,0 @@
-//
-// Copyright 2011 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
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
-//
-
-
-module fifo_to_gpmc_async
- (input clk, input reset, input clear,
- input [17:0] data_i, input src_rdy_i, output dst_rdy_o,
- output [15:0] EM_D, input EM_NCS, input EM_NOE,
- input [15:0] frame_len);
-
- // Synchronize the async control signals
- reg [2:0] cs_del, oe_del;
- reg [15:0] counter;
-
- always @(posedge clk)
- if(reset)
- begin
- cs_del <= 3'b11;
- oe_del <= 3'b11;
- end
- else
- begin
- cs_del <= { cs_del[1:0], EM_NCS };
- oe_del <= { oe_del[1:0], EM_NOE };
- end
-
- wire do_read = ( (~cs_del[1] | ~cs_del[2]) & (oe_del[1:0] == 2'b01)); // change output on trailing edge
- wire first_read = (counter == 0);
- wire last_read = ((counter+1) == frame_len);
-
- assign EM_D = data_i[15:0];
-
- assign dst_rdy_o = do_read;
-
-endmodule // fifo_to_gpmc_async