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//======================================================================
//
// core_selector.v
// ---------------
// Core selector Cryptech Novena FPGA framework.
//
//
// Author: Pavel Shatov
// Copyright (c) 2014, NORDUnet A/S All rights reserved.
//
// 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 core_selector
	(
	 input wire           sys_clk,
         input wire           sys_rst,

	 input wire [13: 0]   sys_eim_addr,
         input wire           sys_eim_wr,
         input wire           sys_eim_rd,
         output wire [31 : 0] read_data,
	 input wire [31 : 0]  write_data
	);


  sha256 sha256_inst(
                     .clk(sys_clk),
                     .reset_n(~sys_rst),

                     .cs(sys_eim_rd | sys_eim_wr),
                     .we(sys_eim_wr),

                     .address(sys_eim_addr[7 : 0]),
                     .write_data(write_data),
                     .read_data(read_data),
                     .error()
                    );

endmodule

//======================================================================
// EOF core_selector.v
//======================================================================