diff options
Diffstat (limited to 'fpga/usrp2/extramfifo')
| -rw-r--r-- | fpga/usrp2/extramfifo/ext_fifo.v | 17 | ||||
| -rw-r--r-- | fpga/usrp2/extramfifo/ext_fifo_tb.v | 17 | ||||
| -rw-r--r-- | fpga/usrp2/extramfifo/nobl_fifo.v | 17 | ||||
| -rw-r--r-- | fpga/usrp2/extramfifo/nobl_if.v | 17 | ||||
| -rw-r--r-- | fpga/usrp2/extramfifo/refill_randomizer.v | 17 | ||||
| -rw-r--r-- | fpga/usrp2/extramfifo/test_sram_if.v | 17 | 
6 files changed, 102 insertions, 0 deletions
| diff --git a/fpga/usrp2/extramfifo/ext_fifo.v b/fpga/usrp2/extramfifo/ext_fifo.v index 80f82fc63..620f4dddd 100644 --- a/fpga/usrp2/extramfifo/ext_fifo.v +++ b/fpga/usrp2/extramfifo/ext_fifo.v @@ -1,4 +1,21 @@  // +// 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/>. +// + +//  // FIFO backed by an off chip ZBT/NoBL SRAM.  //  // This module and its sub-hierarchy implment a FIFO capable of sustaining  diff --git a/fpga/usrp2/extramfifo/ext_fifo_tb.v b/fpga/usrp2/extramfifo/ext_fifo_tb.v index 395ad2884..f6fe47297 100644 --- a/fpga/usrp2/extramfifo/ext_fifo_tb.v +++ b/fpga/usrp2/extramfifo/ext_fifo_tb.v @@ -1,3 +1,20 @@ +// +// 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/>. +// +  `timescale 1ns / 1ps  `define USRP2  //`define USRP2PLUS diff --git a/fpga/usrp2/extramfifo/nobl_fifo.v b/fpga/usrp2/extramfifo/nobl_fifo.v index 0b63768fc..469e3eab5 100644 --- a/fpga/usrp2/extramfifo/nobl_fifo.v +++ b/fpga/usrp2/extramfifo/nobl_fifo.v @@ -1,3 +1,20 @@ +// +// 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/>. +// +  // Since this FIFO uses a ZBT/NoBL SRAM for its storage which is a since port   // device it can only sustain data throughput at half the RAM clock rate.  // Fair arbitration to ensure this occurs is included in this logic and diff --git a/fpga/usrp2/extramfifo/nobl_if.v b/fpga/usrp2/extramfifo/nobl_if.v index b5ebe9c6b..0a64d3857 100644 --- a/fpga/usrp2/extramfifo/nobl_if.v +++ b/fpga/usrp2/extramfifo/nobl_if.v @@ -1,3 +1,20 @@ +// +// 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/>. +// +  // Tested against an IDT 71v65603s150 in simulation and a Cypress 7C1356C in the real world.  module nobl_if diff --git a/fpga/usrp2/extramfifo/refill_randomizer.v b/fpga/usrp2/extramfifo/refill_randomizer.v index 0b30f4049..09728b8c0 100644 --- a/fpga/usrp2/extramfifo/refill_randomizer.v +++ b/fpga/usrp2/extramfifo/refill_randomizer.v @@ -1,4 +1,21 @@  // +// 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/>. +// + +//  // EMI mitigation.  // Process FULL flag from FIFO so that de-assertion  // (FIFO now not FULL) is delayed by a pseudo random diff --git a/fpga/usrp2/extramfifo/test_sram_if.v b/fpga/usrp2/extramfifo/test_sram_if.v index 0e74b49eb..dcb881a92 100644 --- a/fpga/usrp2/extramfifo/test_sram_if.v +++ b/fpga/usrp2/extramfifo/test_sram_if.v @@ -1,3 +1,20 @@ +// +// 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/>. +// +  // Instantiate this block at the core level to conduct closed   // loop testing of the AC performance of the USRP2 SRAM interface | 
