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

# script for str9

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

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

# jtag speed. We need to stick to 16kHz until we've finished reset.
adapter speed 16

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

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 {
   # possible values: 0x1457f041, 0x2457f041
   # we ignore version in check below
   set _BSTAPID 0x1457f041
}
jtag newtap $_CHIPNAME bs -irlen 5 -ircapture 0x1 -irmask 0x1 -expected-id $_BSTAPID -ignore-version

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

$_TARGETNAME configure -event reset-start { adapter speed 16 }

$_TARGETNAME configure -event reset-init {
	# We can increase speed now that we know the target is halted.
	#adapter speed 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 str9x <base> <size> 0 0 <target#> <variant>
set _FLASHNAME $_CHIPNAME.flash0
flash bank $_FLASHNAME str9x 0x00000000 0x00080000 0 0 $_TARGETNAME
set _FLASHNAME $_CHIPNAME.flash1
flash bank $_FLASHNAME str9x 0x00080000 0x00008000 0 0 $_TARGETNAME
