tinyriscv-openocd/tcl/target/fm3.cfg

# MB96F506
# Fujitsu Cortex-M3 with 512kB Flash and 64kB RAM

if { [info exists CHIPNAME] } {
	set _CHIPNAME $CHIPNAME
} else {
	set _CHIPNAME mb9bf500
}

if { [info exists ENDIAN] } {
	set _ENDIAN $ENDIAN
} else {
	set _ENDIAN little
}

if { [info exists CPUTAPID] } {
	set _CPUTAPID $CPUTAPID
} else {
	set _CPUTAPID 0x4ba00477
}

# delays on reset lines
adapter_nsrst_delay 100
jtag_ntrst_delay 100

# Fujitsu cortex-M3 reset configuration
reset_config trst_only

jtag newtap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID

set _TARGETNAME $_CHIPNAME.cpu
target create $_TARGETNAME cortex_m3 -endian $_ENDIAN -chain-position $_TARGETNAME

# MB9BF506 has 64kB of SRAM on its main system bus 
$_TARGETNAME configure -work-area-phys 0x1FFF8000 -work-area-size 0x10000 -work-area-backup 0

# MB9BF506 has 512kB internal FLASH 

set _FLASHNAME $_CHIPNAME.flash
flash bank $_FLASHNAME fm3 0 0 0 0 $_TARGETNAME

# 4MHz / 6 = 666kHz, so use 500
adapter_khz 500

# if srst is not fitted use SYSRESETREQ to
# perform a soft reset
cortex_m3 reset_config sysresetreq