# -*- Tcl -*-
# script for stm32

if { [info exists CHIPNAME] } {
    set  _CHIPNAME $CHIPNAME
} else {
    set  _CHIPNAME stm32
}

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

# Work-area is a space in RAM used for flash programming
# By default use 16kB
if { [info exists WORKAREASIZE] } {
    set  _WORKAREASIZE $WORKAREASIZE
} else {
    set  _WORKAREASIZE 0x4000
}

# JTAG speed should be <= F_CPU/6. F_CPU after reset is 8MHz, so use F_JTAG = 1MHz
jtag_khz 1000
# use this when breaking in while the device is in reset
#jtag_khz 100

jtag_nsrst_delay 100
jtag_ntrst_delay 100

#jtag scan chain
if { [info exists CPUTAPID ] } {
    set _CPUTAPID $CPUTAPID
} else {
    # CortexM3 r2p0
    set _CPUTAPID 0x4ba00477
}
jtag newtap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID

if { [info exists BSTAPID ] } {
    set _BSTAPID $BSTAPID
} else {
    set _BSTAPID 0x06411041
}
jtag newtap $_CHIPNAME bs -irlen 5 -expected-id $_BSTAPID

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

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

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

set _FLASHNAME $_CHIPNAME.flash
flash bank $_FLASHNAME stm32f2xxx 0 0 0 0 $_TARGETNAME

# For more information about the configuration files, take a look at:
# openocd.texi