# Config Beetle SoC providing a CMSIS-DAP interface.

source [find interface/cmsis-dap.cfg]

source [find target/swj-dp.tcl]

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

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

if { [info exists CPUTAPID] } {
    set _CPUTAPID $CPUTAPID
} else {
    set _CPUTAPID 0x2ba01477
}

adapter_khz 1000

set _TARGETNAME $_CHIPNAME.cpu

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

target create $_TARGETNAME cortex_m -chain-position $_TARGETNAME

$_TARGETNAME configure -work-area-phys 0x20000000 -work-area-size 0x1000 -work-area-backup 0

# Dont use hardware reset line (even if available) and use SWD "software" reset
reset_config srst_nogate

# Reset the peripherals and the core
cortex_m reset_config sysresetreq