Subversion Repositories darkriscv

# Copyright (c) 2018, Marcelo Samsoniuk

# 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 copyright holder 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.

NET XCLK            LOC = P16 | IOSTANDARD = LVCMOS33 | PERIOD = 90MHz HIGH 50%;

NET XCLK            CLOCK_DEDICATED_ROUTE = FALSE;

#NET XCLKP           LOC = M21 | IOSTANDARD = LVDS_25 | DIFF_TERM = TRUE | PERIOD = 156.25MHz HIGH 50%;

#NET XCLKN           LOC = M22 | IOSTANDARD = LVDS_25 | DIFF_TERM = TRUE | PERIOD = 156.25MHz HIGH 50%;

NET XRES            LOC = U4  | IOSTANDARD = SSTL15 | PULLDOWN;

NET UART_RXD        LOC = T19 | IOSTANDARD = LVCMOS18;

NET UART_TXD        LOC = U19 | IOSTANDARD = LVCMOS18;

NET LED[3]          LOC = R26 | IOSTANDARD = LVCMOS33;

NET LED[2]          LOC = T25 | IOSTANDARD = LVCMOS33;

NET LED[1]          LOC = T24 | IOSTANDARD = LVCMOS33;

NET LED[0]          LOC = M26 | IOSTANDARD = LVCMOS33;

NET DEBUG[3]        LOC = T23 | IOSTANDARD = LVCMOS33; # J48-1

NET DEBUG[2]        LOC = R22 | IOSTANDARD = LVCMOS33; # J48-2

NET DEBUG[1]        LOC = T22 | IOSTANDARD = LVCMOS33; # J48-3

NET DEBUG[0]        LOC = P26 | IOSTANDARD = LVCMOS33; # J48-4