URL
https://opencores.org/ocsvn/an-fpga-implementation-of-low-latency-noc-based-mpsoc/an-fpga-implementation-of-low-latency-noc-based-mpsoc/trunk
Subversion Repositories an-fpga-implementation-of-low-latency-noc-based-mpsoc
[/] [an-fpga-implementation-of-low-latency-noc-based-mpsoc/] [trunk/] [mpsoc/] [src_processor/] [new_lm32/] [rtl/] [jtag_tap_spartan6.v] - Rev 48
Compare with Previous | Blame | View Log
/* * LatticeMico32 * JTAG Test Access Port For Xilinx Sparan-6 Devices * * Copyright (C) 2010 Michael Walle * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. 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. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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 jtag_tap( output tck, output tdi, input tdo, output shift, output update, output reset ); wire g_shift; wire g_update; wire sel; assign shift = g_shift & sel; assign update = g_update & sel; BSCAN_SPARTAN6 #( .JTAG_CHAIN(1) ) bscan ( .CAPTURE(), .DRCK(tck), .RESET(reset), .RUNTEST(), .SEL(sel), .SHIFT(g_shift), .TCK(), .TDI(tdi), .TMS(), .UPDATE(g_update), .TDO(tdo) ); endmodule