tinyriscv-openocd/tcl/target/bluenrg-x.cfg

#
# bluenrg-1/2 devices support only SWD transports.
#

source [find target/swj-dp.tcl]

if { [info exists CHIPNAME] } {
   set _CHIPNAME $CHIPNAME
} else {
   set _CHIPNAME bluenrg-1
}

set _ENDIAN little

# Work-area is a space in RAM used for flash programming
# By default use 24kB-256bytes
if { [info exists WORKAREASIZE] } {
   set _WORKAREASIZE $WORKAREASIZE
} else {
   set _WORKAREASIZE 0x5F00
}

adapter_khz 4000

if { [info exists CPUTAPID] } {
   set _CPUTAPID $CPUTAPID
} else {
   set _CPUTAPID 0x0bb11477
}

swj_newdap $_CHIPNAME cpu -expected-id $_CPUTAPID
dap create $_CHIPNAME.dap -chain-position $_CHIPNAME.cpu

set _TARGETNAME $_CHIPNAME.cpu
set WDOG_VALUE 0
set WDOG_VALUE_SET 0

target create $_TARGETNAME cortex_m -endian $_ENDIAN -dap $_CHIPNAME.dap

$_TARGETNAME configure -work-area-phys 0x20000100 -work-area-size $_WORKAREASIZE -work-area-backup 0

# flash size will be probed
set _FLASHNAME $_CHIPNAME.flash
flash bank $_FLASHNAME bluenrg-x 0 0 0 0 $_TARGETNAME

# In BlueNRG-X reset pin is actually a shutdown (power-off), so define reset as none
reset_config none

if {![using_hla]} {
   # if srst is not fitted use SYSRESETREQ to
   # perform a soft reset
   cortex_m reset_config sysresetreq
}

$_TARGETNAME configure -event halted {
	global WDOG_VALUE
	global WDOG_VALUE_SET
	# Stop watchdog during halt, if enabled
	mem2array value 32 0x40700008 1
	set WDOG_VALUE [expr ($value(0))]
	if [expr ($value(0) & (1 << 1))] {
		set WDOG_VALUE_SET 1
		mww 0x40700008 [expr ($value(0) & 0xFFFFFFFD)]
	}
}
$_TARGETNAME configure -event resumed {
	global WDOG_VALUE
	global WDOG_VALUE_SET
	if [expr $WDOG_VALUE_SET] {
		# Restore watchdog enable value after resume
		mww 0x40700008 $WDOG_VALUE
		set WDOG_VALUE_SET 0
       }
}