2 # NXP (former Freescale) Kinetis Kx series devices
3 # Also used for Cortex-M4 equipped members of KVx and KE1xF series
6 source [find target/swj-dp.tcl]
8 if { [info exists CHIPNAME] } {
9 set _CHIPNAME $CHIPNAME
14 # Work-area is a space in RAM used for flash programming
16 if { [info exists WORKAREASIZE] } {
17 set _WORKAREASIZE $WORKAREASIZE
19 set _WORKAREASIZE 0x1000
22 if { [info exists CPUTAPID] } {
23 set _CPUTAPID $CPUTAPID
26 set _CPUTAPID 0x4ba00477
28 set _CPUTAPID 0x2ba01477
32 swj_newdap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID
33 dap create $_CHIPNAME.dap -chain-position $_CHIPNAME.cpu
35 set _TARGETNAME $_CHIPNAME.cpu
36 target create $_TARGETNAME cortex_m -dap $_CHIPNAME.dap
38 $_TARGETNAME configure -work-area-phys 0x20000000 -work-area-size $_WORKAREASIZE -work-area-backup 0
40 set _FLASHNAME $_CHIPNAME.pflash
41 flash bank $_FLASHNAME kinetis 0 0 0 0 $_TARGETNAME
46 reset_config srst_nogate
50 echo "!!!!!!!!!!!!!!!!!!!!!! WARNING !!!!!!!!!!!!!!!!! WARNING !!!!!!!!!!!!!!!!!!!!!!"
51 echo " Kinetis MCUs have a MDM-AP dedicated mainly to MCU security related functions."
52 echo " A high level adapter (like a ST-Link) you are currently using cannot access"
53 echo " the MDM-AP, so commands like 'mdm mass_erase' are not available in your"
54 echo " configuration. Also security locked state of the device will not be reported."
55 echo " Expect problems connecting to a blank device without boot ROM."
57 echo " Be very careful as you can lock the device though there is no way to unlock"
58 echo " it without mass erase. Don't set write protection on the first block."
59 echo "!!!!!!!!!!!!!!!!!!!!!! WARNING !!!!!!!!!!!!!!!!! WARNING !!!!!!!!!!!!!!!!!!!!!!"
62 # Detect secured MCU or boot lock-up in RESET/WDOG loop
63 $_TARGETNAME configure -event examine-fail {
64 kinetis mdm check_security
66 # During RESET/WDOG loop the target is sometimes falsely examined
67 $_TARGETNAME configure -event examine-end {
68 kinetis mdm check_security
71 # if srst is not fitted use SYSRESETREQ to
72 # perform a soft reset
73 cortex_m reset_config sysresetreq
76 # Disable watchdog not to disturb OpenOCD algorithms running on MCU
77 # (e.g. armv7m_checksum_memory() in verify_image)
78 # Flash driver also disables watchdog before FTFA flash programming.
79 $_TARGETNAME configure -event reset-init {