#  Copyright (C) 2019-2020 Synopsys, Inc.
#  SPDX-License-Identifier: Apache-2.0
#

# Configure JTAG cable
# SDP has built-in FT2232 chip, which is similar to Digilent HS-1, except that
# it uses channgel B for JTAG, instead of channel A.
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


adapter speed 10000

# ARCs supports only JTAG.
transport select jtag


#
# HS Development Kit SoC.
#
# Contains quad-core ARC HS38.
#

source [find cpu/arc/hs.tcl]

set _coreid 0
set _dbgbase [expr 0x00000000 | ($_coreid << 13)]

# CHIPNAME will be used to choose core family (600, 700 or EM). As far as
# OpenOCD is concerned EM and HS are identical.
set _CHIPNAME arc-em

# OpenOCD discovers JTAG TAPs in reverse order.

set _TARGETNAME4 $_CHIPNAME.cpu4
jtag newtap $_CHIPNAME cpu4 -irlen 4 -ircapture 0x1 -expected-id 0x200c24b1
set _TARGETNAME3 $_CHIPNAME.cpu3
jtag newtap $_CHIPNAME cpu3 -irlen 4 -ircapture 0x1 -expected-id 0x200824b1
set _TARGETNAME2 $_CHIPNAME.cpu2
jtag newtap $_CHIPNAME cpu2 -irlen 4 -ircapture 0x1 -expected-id 0x200424b1
set _TARGETNAME1 $_CHIPNAME.cpu1
jtag newtap $_CHIPNAME cpu1 -irlen 4 -ircapture 0x1 -expected-id 0x200024b1

################################
# ARC HS38 core 2
################################

target create $_TARGETNAME2 arcv2 -chain-position $_TARGETNAME2
$_TARGETNAME2 configure -coreid $_coreid
$_TARGETNAME2 configure -dbgbase $_dbgbase
$_TARGETNAME2 configure -event reset-assert "arc_common_reset $_TARGETNAME2"
set _coreid [expr $_coreid + 1]
set _dbgbase [expr 0x00000000 | ($_coreid << 13)]
arc_hs_init_regs

# Enable L2 cache support for core 2.
$_TARGETNAME2 arc cache l2 auto 1

################################
# ARC HS38 core 3
################################

target create $_TARGETNAME3 arcv2 -chain-position $_TARGETNAME3
$_TARGETNAME3 configure -coreid $_coreid
$_TARGETNAME3 configure -dbgbase $_dbgbase
$_TARGETNAME3 configure -event reset-assert "arc_common_reset $_TARGETNAME3"
set _coreid [expr $_coreid + 1]
set _dbgbase [expr 0x00000000 | ($_coreid << 13)]
arc_hs_init_regs

# Enable L2 cache support for core 3.
$_TARGETNAME3 arc cache l2 auto 1

################################
# ARC HS38 core 4
################################

target create $_TARGETNAME4 arcv2 -chain-position $_TARGETNAME4
$_TARGETNAME4 configure -coreid $_coreid
$_TARGETNAME4 configure -dbgbase $_dbgbase
# Flush L2$.
$_TARGETNAME4 configure -event reset-assert "arc_hs_reset $_TARGETNAME4"
set _coreid [expr $_coreid + 1]
set _dbgbase [expr 0x00000000 | ($_coreid << 13)]
arc_hs_init_regs

# Enable L2 cache support for core 4.
$_TARGETNAME4 arc cache l2 auto 1

################################
# ARC HS38 core 1
################################

target create $_TARGETNAME1 arcv2 -chain-position $_TARGETNAME1
$_TARGETNAME1 configure -coreid $_coreid
$_TARGETNAME1 configure -dbgbase $_dbgbase
$_TARGETNAME1 configure -event reset-assert "arc_common_reset $_TARGETNAME1"
set _coreid [expr $_coreid + 1]
set _dbgbase [expr 0x00000000 | ($_coreid << 13)]
arc_hs_init_regs

# Enable L2 cache support for core 1.
$_TARGETNAME1 arc cache l2 auto 1

target smp $_TARGETNAME1 $_TARGETNAME2 $_TARGETNAME3 $_TARGETNAME4

# vi:ft=tcl