aboutsummaryrefslogtreecommitdiffstats
path: root/fpga/usrp2/control_lib/srl.v
diff options
context:
space:
mode:
Diffstat (limited to 'fpga/usrp2/control_lib/srl.v')
-rw-r--r--fpga/usrp2/control_lib/srl.v38
1 files changed, 38 insertions, 0 deletions
diff --git a/fpga/usrp2/control_lib/srl.v b/fpga/usrp2/control_lib/srl.v
new file mode 100644
index 000000000..bdef30058
--- /dev/null
+++ b/fpga/usrp2/control_lib/srl.v
@@ -0,0 +1,38 @@
+//
+// 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 srl
+ #(parameter WIDTH=18)
+ (input clk,
+ input write,
+ input [WIDTH-1:0] in,
+ input [3:0] addr,
+ output [WIDTH-1:0] out);
+
+ genvar i;
+ generate
+ for (i=0;i<WIDTH;i=i+1)
+ begin : gen_srl
+ SRL16E
+ srl16e(.Q(out[i]),
+ .A0(addr[0]),.A1(addr[1]),.A2(addr[2]),.A3(addr[3]),
+ .CE(write),.CLK(clk),.D(in[i]));
+ end
+ endgenerate
+
+endmodule // srl