| # 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 |
