48 lines
1.1 KiB
INI
48 lines
1.1 KiB
INI
# Copyright (C) 2018 Synopsys, Inc.
|
|
# SPDX-License-Identifier: Apache-2.0
|
|
#
|
|
|
|
#
|
|
# Synopsys DesignWare ARC IoT Development Kit
|
|
#
|
|
|
|
# Configure JTAG cable
|
|
# IoT DK has built-in FT2232 chip, which is similar to Digilent HS-1.
|
|
adapter driver ftdi
|
|
|
|
# Only specify FTDI serial number if it is specified via
|
|
# "set _ZEPHYR_BOARD_SERIAL 12345" before reading this script
|
|
if { [info exists _ZEPHYR_BOARD_SERIAL] } {
|
|
ftdi_serial $_ZEPHYR_BOARD_SERIAL
|
|
}
|
|
|
|
ftdi vid_pid 0x0403 0x6010
|
|
ftdi layout_init 0x0088 0x008b
|
|
ftdi channel 1
|
|
|
|
|
|
# EM9D requires 8 MHz.
|
|
adapter speed 8000
|
|
|
|
# ARCs support only JTAG.
|
|
transport select jtag
|
|
|
|
source [find cpu/arc/em.tcl]
|
|
|
|
set _CHIPNAME arc-em
|
|
set _TARGETNAME $_CHIPNAME.cpu
|
|
|
|
# IOTDK IDENTITY is 0x200444b1
|
|
jtag newtap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -expected-id 0x200444b1
|
|
|
|
set _coreid 0
|
|
set _dbgbase [expr {0x00000000 | ($_coreid << 13)}]
|
|
|
|
target create $_TARGETNAME arcv2 -chain-position $_TARGETNAME \
|
|
-coreid 0 -dbgbase $_dbgbase -endian little
|
|
|
|
# There is no SRST, so do a software reset
|
|
$_TARGETNAME configure -event reset-assert "arc_em_reset $_TARGETNAME"
|
|
|
|
arc_em_init_regs
|