# 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
}

# jtag speed
jtag_khz 750

jtag_nsrst_delay 100
jtag_ntrst_delay 100

#use combined on interfaces or targets that can't set TRST/SRST separately
reset_config trst_and_srst

#jtag scan chain
if { [info exists CPUTAPID ] } {
   set _CPUTAPID $CPUTAPID
} else {
  # See STM Document RM0008
  # Section 26.6.3
   set _CPUTAPID 0x3ba00477
}
jtag newtap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID

if { [info exists BSTAPID ] } {
   set _BSTAPID $BSTAPID
} else {
  # See STM Document RM0008
  # Section 29.6.2
  # Low density devices, Rev A
  set _BSTAPID1 0x06412041
  # Medium density devices, Rev A
  set _BSTAPID2 0x06410041
  # Medium density devices, Rev B and Rev Z
  set _BSTAPID3 0x16410041
  # High density devices, Rev A
  set _BSTAPID4 0x06414041
  # Connectivity line devices, Rev A and Rev Z
  set _BSTAPID5 0x06418041
}   

jtag newtap $_CHIPNAME bs -irlen 5 -expected-id $_BSTAPID1 \
	-expected-id $_BSTAPID2 -expected-id $_BSTAPID3 \
	-expected-id $_BSTAPID4 -expected-id $_BSTAPID5

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