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# SPDX-License-Identifier: GPL-2.0-or-later
#
# NXP (former Freescale) Kinetis Kx series devices
# Also used for Cortex-M4 equipped members of KVx and KE1xF series
#
source [find target/swj-dp.tcl]
if { [info exists CHIPNAME] } {
set _CHIPNAME $CHIPNAME
} else {
set _CHIPNAME kx
}
# Work-area is a space in RAM used for flash programming
# By default use 4kB
if { [info exists WORKAREASIZE] } {
set _WORKAREASIZE $WORKAREASIZE
} else {
set _WORKAREASIZE 0x1000
}
if { [info exists CPUTAPID] } {
set _CPUTAPID $CPUTAPID
} else {
if { [using_jtag] } {
set _CPUTAPID 0x4ba00477
} {
set _CPUTAPID 0x2ba01477
}
}
swj_newdap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID
dap create $_CHIPNAME.dap -chain-position $_CHIPNAME.cpu
set _TARGETNAME $_CHIPNAME.cpu
target create $_TARGETNAME cortex_m -dap $_CHIPNAME.dap
$_TARGETNAME configure -work-area-phys 0x20000000 -work-area-size $_WORKAREASIZE -work-area-backup 0
set _FLASHNAME $_CHIPNAME.pflash
flash bank $_FLASHNAME kinetis 0 0 0 0 $_TARGETNAME
kinetis create_banks
adapter speed 1000
reset_config srst_nogate
if {[using_hla]} {
echo ""
echo "!!!!!!!!!!!!!!!!!!!!!! WARNING !!!!!!!!!!!!!!!!! WARNING !!!!!!!!!!!!!!!!!!!!!!"
echo " Kinetis MCUs have a MDM-AP dedicated mainly to MCU security related functions."
echo " A high level adapter (like a ST-Link) you are currently using cannot access"
echo " the MDM-AP, so commands like 'mdm mass_erase' are not available in your"
echo " configuration. Also security locked state of the device will not be reported."
echo " Expect problems connecting to a blank device without boot ROM."
echo ""
echo " Be very careful as you can lock the device though there is no way to unlock"
echo " it without mass erase. Don't set write protection on the first block."
echo "!!!!!!!!!!!!!!!!!!!!!! WARNING !!!!!!!!!!!!!!!!! WARNING !!!!!!!!!!!!!!!!!!!!!!"
echo ""
} else {
# Detect secured MCU or boot lock-up in RESET/WDOG loop
$_TARGETNAME configure -event examine-fail {
kinetis mdm check_security
}
# During RESET/WDOG loop the target is sometimes falsely examined
$_TARGETNAME configure -event examine-end {
kinetis mdm check_security
}
# if srst is not fitted use SYSRESETREQ to
# perform a soft reset
cortex_m reset_config sysresetreq
}
# Disable watchdog not to disturb OpenOCD algorithms running on MCU
# (e.g. armv7m_checksum_memory() in verify_image)
# Flash driver also disables watchdog before FTFA flash programming.
$_TARGETNAME configure -event reset-init {
kinetis disable_wdog
}
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