# ----------------------------------------------------------------------
# Project: JCPU, a portable 8-bit RISC CPU written in VHDL
# This file: The ROM file for upload to target over JTAG 
#
# Copyright (C) 2007 J. Ahrensfeld
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
# 
# For questions and ideas, please contact the author at jens@jayfield.org
#
# ---------------------------------------------------------------------

# ---------------------------------------------------------------------
# For Chipscope 9.1
# ---------------------------------------------------------------------
# Source JTAG/TCL frame work
cd $env(CHIPSCOPE)\\bin\\nt
source csejtag.tcl

namespace import ::chipscope::*

# Platform USB Cable
set PLATFORM_USB_CABLE_ARGS [list "port=USB2" "frequency=6000000"]
# frequency="24000000 | 12000000 | 6000000 | 3000000 | 1500000 | 750000"

# Create session
set handle [::chipscope::csejtag_session create 0]

# Open JTAG and lock
set open_result [::chipscope::csejtag_target open $handle $CSEJTAG_TARGET_PLATFORMUSB 0 $PLATFORM_USB_CABLE_ARGS]
set lock_result [::chipscope::csejtag_target lock $handle 1000]

set devlist [::chipscope::csejtag_tap autodetect_chain $handle $CSEJTAG_SCAN_DEFAULT]

# Get Device ID
set devtype "Virtex-4SX"
set devid 2
set irlength [::chipscope::csejtag_tap get_irlength $handle $devid]
set idcode [::chipscope::csejtag_tap get_device_idcode $handle $devid]

set CSE_OP $CSEJTAG_SHIFT_READWRITE
set CSE_ES $CSEJTAG_RUN_TEST_IDLE

# Write Program
# JASM_ROM_INSERT_HERE

::chipscope::csejtag_target unlock $handle
::chipscope::csejtag_target close $handle
::chipscope::csejtag_session destroy $handle
exit