openocd.cfg

#which ports to use to provide telnet and gdb services
set CHIPNAME atsame70q21

telnet_port 4444
gdb_port 3333
version
#interface_list
echo -n "start openocd debugger\n "
#interface configuration
interface ftdi
transport select swd
ftdi_vid_pid 0x403 0x6010
ftdi_channel 0
#ftdi_serial "FTZ70800"     #funktioniert nur, wenn im FTDI chip die passende device description steht!!!
adapter_khz 1000
adapter_nsrst_delay 200
#ftdi_layout_init 0x58 0x000b
ftdi_layout_init 0x58 0x0003;      # "0" input; "1" output: Bit0 = SWCLK (output); Bit1 = TDI (output); Bit2 = SWDIO (input) -> 011 
ftdi_layout_signal SWD_EN -data 0
#ftdi_layout_signal nSRST -data 0x0010
#ftdi_layout_signal nRST -data 0x0040

sleep 10

set _CHIPNAME CHIPNAME;
set _ENDIAN little;
set _WORKAREASIZE 4000;
set _CPUTAPID 0x0bd11477;
set _TARGETNAME $_CHIPNAME.cpu;

eval swd newdap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID

target create $_TARGETNAME cortex_m -endian $_ENDIAN -chain-position $_TARGETNAME

$_TARGETNAME configure -work-area-phys 0x20400000 -work-area-size $_WORKAREASIZE -work-area-backup 0

cortex_m reset_config sysresetreq

#run_and_halt_time 0 30

set _FLASHNAME $_CHIPNAME.flash
flash bank $_FLASHNAME atsamv 0x00400000 0 0 0 $_TARGETNAME

init