tinyriscv-openocd/tcl/target/fm3.cfg

# MB9BF506
# Fujitsu Cortex-M3 with 512kB Flash and 64kB RAM

source [find target/swj-dp.tcl]

if { [info exists CHIPNAME] } {
	set _CHIPNAME $CHIPNAME
} else {
	set _CHIPNAME mb9bfxx6
}

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
if {[using_jtag]} {
   jtag_ntrst_delay 100
}

# Fujitsu Cortex-M3 reset configuration
reset_config trst_only

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 -endian $_ENDIAN -dap $_CHIPNAME.dap

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