From 0da71205b28d07cc832732b28e8893c46fbf6cad Mon Sep 17 00:00:00 2001
From: "Pavel V. Shatov (Meister)" <meisterpaul1@yandex.ru>
Date: Tue, 4 Jul 2017 16:33:04 +0300
Subject: Fixed generic/vendor low-level primitives switch.

---
 src/rtl/pe/artix7/dsp48e1_wrapper_ext.v | 159 ++++++++++++++++++++++++++++++++
 1 file changed, 159 insertions(+)
 create mode 100644 src/rtl/pe/artix7/dsp48e1_wrapper_ext.v

(limited to 'src/rtl/pe/artix7/dsp48e1_wrapper_ext.v')

diff --git a/src/rtl/pe/artix7/dsp48e1_wrapper_ext.v b/src/rtl/pe/artix7/dsp48e1_wrapper_ext.v
new file mode 100644
index 0000000..83fb78c
--- /dev/null
+++ b/src/rtl/pe/artix7/dsp48e1_wrapper_ext.v
@@ -0,0 +1,159 @@
+//------------------------------------------------------------------------------
+//
+// dsp48e1_wrapper_ext.v
+// -----------------------------------------------------------------------------
+// Extended hardware (Artix-7 DSP48E1) tile wrapper.
+//
+// Authors: Pavel Shatov
+//
+// Copyright (c) 2016-2017, 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 dsp48e1_wrapper_ext #
+	(
+		parameter	AREG		= 1'b0,
+		parameter	PREG		= 1'b0,
+		
+		parameter	A_INPUT	= "DIRECT"
+	)
+	(
+		input					clk,
+		input		[ 6: 0]	opmode,
+		input		[29: 0]	a,
+		input		[17: 0]	b,
+		output	[47: 0]	p,
+		input		[29: 0]	acin,
+		input		[47: 0]	pcin,
+		output	[29: 0]	acout,
+		output	[47: 0]	pcout
+	);
+	
+		//
+		// Tile instantiation
+		//
+	DSP48E1 #
+	(
+		.AREG						(AREG),
+		.BREG						(1'b1),
+		.CREG						(0),
+		.DREG						(0),
+		.MREG						(0),
+		.PREG						(PREG),
+		.ADREG					(0),
+		
+		.ACASCREG				(AREG),
+		.BCASCREG				(1'b1),
+		.ALUMODEREG				(0),
+		.INMODEREG				(0),
+		.OPMODEREG				(0),
+		.CARRYINREG				(0),
+		.CARRYINSELREG			(0),
+
+		.A_INPUT					(A_INPUT),
+		.B_INPUT					("DIRECT"),
+		
+		.USE_DPORT				("FALSE"),
+		.USE_MULT				("MULTIPLY"),
+		.USE_SIMD				("ONE48"),
+
+		.USE_PATTERN_DETECT	("NO_PATDET"),
+		.SEL_PATTERN			("PATTERN"),
+		.SEL_MASK				("MASK"),
+		.PATTERN					(48'h000000000000),
+		.MASK						(48'h3fffffffffff),
+		.AUTORESET_PATDET		("NO_RESET")
+	)
+	DSP48E1_inst
+	(
+		.CLK					(clk),
+
+		.RSTA					(1'b0),
+		.RSTB					(1'b0),
+		.RSTC					(1'b0),
+		.RSTD					(1'b0),
+		.RSTM					(1'b0),
+		.RSTP					(1'b0),
+
+		.RSTCTRL				(1'b0),
+		.RSTINMODE			(1'b0),
+		.RSTALUMODE			(1'b0),
+		.RSTALLCARRYIN		(1'b0),
+
+		.CEA1					(1'b0),
+		.CEA2					(AREG),
+		.CEB1					(1'b0),
+		.CEB2					(1'b1),
+		.CEC					(1'b0),
+		.CED					(1'b0),
+		.CEM					(1'b0),
+		.CEP					(PREG),
+		.CEAD					(1'b0),
+		.CEALUMODE			(1'b0),
+		.CEINMODE			(1'b0),
+
+		.CECTRL				(1'b0),
+		.CECARRYIN			(1'b0),
+
+		.A						(a),
+		.B						(b),
+		.C						({48{1'b0}}),
+		.D						({25{1'b1}}),
+		.P						(p),
+
+		.CARRYIN				(1'b0),
+		.CARRYOUT			(),
+		.CARRYINSEL			(3'b000),
+
+		.CARRYCASCIN		(1'b0),
+		.CARRYCASCOUT		(),
+
+		.PATTERNDETECT		(),
+		.PATTERNBDETECT	(),
+
+		.OPMODE				(opmode),
+		.ALUMODE				(4'b0000),
+		.INMODE				(5'b00000),
+
+		.MULTSIGNIN			(1'b0),
+		.MULTSIGNOUT		(),
+
+		.UNDERFLOW			(),
+		.OVERFLOW			(),
+
+		.ACIN					(acin),
+		.BCIN					(18'd0),
+		.PCIN					(pcin),
+
+		.ACOUT				(acout),
+		.BCOUT				(),
+		.PCOUT				(pcout)
+  );
+
+endmodule
-- 
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