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- #
- # 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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