6d5b4d709c
Kinetis driver checks MDM STAT register to detect secured state of MCU. Original version often reported a blank device as secured one. Change #3010 has not fixed all false reports. After changes in arm_adi_v5 infrastructure secured devices was not detected at all. New algorithm uses multiple MDM STAT reads and counts MDM_STAT_SYSSEC and MDM_STAT_FREADY bits. Both secured MCU and MCU locked-up in RESET/WDOG loop are detected reliably. Detection is run in both kx.cfg and klx.cfg from examine-start event, not examine-end as before. Event is configured only for non hla adapter. Minor fix in klx.cfg: commented out adapter_khz 24000 in reset-init. Such frequency is not supported in VLPR CPU mode and with JTAG. Change-Id: I2ec2b68c45bde9898159cd15fbdcbcfa538c41d9 Signed-off-by: Tomas Vanek <vanekt@fbl.cz> Reviewed-on: http://openocd.zylin.com/3547 Tested-by: jenkins Reviewed-by: Steven Stallion <stallion@squareup.com> Reviewed-by: Andreas Fritiofson <andreas.fritiofson@gmail.com>
55 lines
1.2 KiB
INI
55 lines
1.2 KiB
INI
#
|
|
# Freescale Kinetis Kx series devices
|
|
#
|
|
|
|
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
|
|
|
|
set _TARGETNAME $_CHIPNAME.cpu
|
|
target create $_TARGETNAME cortex_m -chain-position $_CHIPNAME.cpu
|
|
|
|
$_TARGETNAME configure -work-area-phys 0x20000000 -work-area-size $_WORKAREASIZE -work-area-backup 0
|
|
|
|
set _FLASHNAME $_CHIPNAME.flash
|
|
flash bank $_FLASHNAME kinetis 0 0 0 0 $_TARGETNAME
|
|
|
|
adapter_khz 1000
|
|
|
|
reset_config srst_nogate
|
|
|
|
if {![using_hla]} {
|
|
# Detect secured MCU or boot lock-up in RESET/WDOG loop
|
|
$_CHIPNAME.cpu configure -event examine-start {
|
|
kinetis mdm check_security
|
|
}
|
|
|
|
# if srst is not fitted use SYSRESETREQ to
|
|
# perform a soft reset
|
|
cortex_m reset_config sysresetreq
|
|
}
|