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Diffstat (limited to 'rtl/lowlevel/artix7/adder47_artix7.v')
| -rw-r--r-- | rtl/lowlevel/artix7/adder47_artix7.v | 91 |
1 files changed, 0 insertions, 91 deletions
diff --git a/rtl/lowlevel/artix7/adder47_artix7.v b/rtl/lowlevel/artix7/adder47_artix7.v deleted file mode 100644 index caafc85..0000000 --- a/rtl/lowlevel/artix7/adder47_artix7.v +++ /dev/null @@ -1,91 +0,0 @@ -//------------------------------------------------------------------------------ -// -// adder47_artix7.v -// ----------------------------------------------------------------------------- -// Hardware (Artix-7 DSP48E1) 47-bit adder. -// -// Authors: Pavel Shatov -// -// Copyright (c) 2016, NORDUnet A/S -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are met: -// -// - Redistributions of source code must retain the above copyright notice, -// this list of conditions and the following disclaimer. -// -// - Redistributions in binary form must reproduce the above copyright notice, -// this list of conditions and the following disclaimer in the documentation -// and/or other materials provided with the distribution. -// -// - Neither the name of the NORDUnet nor the names of its contributors may be -// used to endorse or promote products derived from this software without -// specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE -// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -// POSSIBILITY OF SUCH DAMAGE. -// -//------------------------------------------------------------------------------ - -module adder47_artix7 - ( - input clk, // clock - input [46: 0] a, // operand input - input [46: 0] b, // operand input - output [46: 0] s // sum output - ); - - // - // Lower and higher parts of operand - // - wire [17: 0] bl = b[17: 0]; - wire [28: 0] bh = b[46:18]; - - // - // DSP48E1 Slice - // - - /* Operation Mode */ - wire [ 3: 0] dsp48e1_alumode = 4'b0000; - wire [ 6: 0] dsp48e1_opmode = 7'b0110011; - - /* Internal Product */ - wire [47: 0] p_int; - - dsp48e1_wrapper dsp_adder - ( - .clk (clk), - - .ce (1'b1), - - .carry (1'b0), - - .alumode (dsp48e1_alumode), - .opmode (dsp48e1_opmode), - - .a ({1'b0, bh}), - .b (bl), - .c ({1'b0, a}), - - .p (p_int) - ); - - // - // Output Mapping - // - assign s = p_int[46: 0]; - -endmodule - -//------------------------------------------------------------------------------ -// End-of-File -//------------------------------------------------------------------------------ |