# SPDX-License-Identifier: GPL-2.0-or-later

# Hitex STR9-comStick
# http://www.hitex.com/index.php?id=383
# This works for the STR9-comStick revisions STR912CS-A1 and STR912CS-A2.

source [find interface/ftdi/hitex_str9-comstick.cfg]

# set jtag speed
adapter speed 3000

adapter srst delay 100
jtag_ntrst_delay 100
#use combined on interfaces or targets that can't set TRST/SRST separately
reset_config trst_and_srst

#
# FIXME use the standard str912 target config; that script might need
# updating to "-ignore-version" for the boundary scan TAP
#
#	source [find target/str912.cfg]
#

if { [info exists CHIPNAME] } {
   set  _CHIPNAME $CHIPNAME
} else {
   set  _CHIPNAME str912
}

if { [info exists ENDIAN] } {
   set  _ENDIAN $ENDIAN
} else {
   set  _ENDIAN little
}

if { [info exists FLASHTAPID] } {
   set _FLASHTAPID $FLASHTAPID
} else {
   set _FLASHTAPID 0x04570041
}
jtag newtap $_CHIPNAME flash -irlen 8 -ircapture 0x1 -irmask 0x1 -expected-id $_FLASHTAPID

if { [info exists CPUTAPID] } {
   set _CPUTAPID $CPUTAPID
} else {
   set _CPUTAPID 0x25966041
}
jtag newtap $_CHIPNAME cpu   -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID

if { [info exists BSTAPID] } {
   set _BSTAPID $BSTAPID
} else {
   # Found on STR9-comStick, revision STR912CS-A1
   set _BSTAPID1 0x1457f041
   # Found on STR9-comStick, revision STR912CS-A2
   set _BSTAPID2 0x2457f041
}
jtag newtap $_CHIPNAME bs -irlen 5 -ircapture 0x1 -irmask 0x1 -expected-id $_BSTAPID1 -expected-id $_BSTAPID2

set _TARGETNAME $_CHIPNAME.cpu
target create $_TARGETNAME arm966e -endian $_ENDIAN -chain-position $_TARGETNAME

$_TARGETNAME configure -event reset-init {
	# We can increase speed now that we know the target is halted.
	#jtag_rclk 3000

	# -- Enable 96K RAM
	# PFQBC enabled / DTCM & AHB wait-states disabled
	mww 0x5C002034 0x0191

	str9x flash_config 0 4 2 0 0x80000
	flash protect 0 0 7 off
}

$_TARGETNAME configure -work-area-phys 0x50000000 -work-area-size 16384 -work-area-backup 0

#flash bank <driver> <base> <size> <chip_width> <bus_width>
set _FLASHNAME $_CHIPNAME.flash0
flash bank $_FLASHNAME str9x 0x00000000 0x00080000 0 0 0
set _FLASHNAME $_CHIPNAME.flash1
flash bank $_FLASHNAME str9x 0x00080000 0x00008000 0 0 0
