tcl/target/stm32f2x.cfg

   1 # script for stm32f2x family
   2
   3 #
   4 # stm32 devices support both JTAG and SWD transports.
   5 #
   6 source [find target/swj-dp.tcl]
   7
   8 if { [info exists CHIPNAME] } {
   9    set _CHIPNAME $CHIPNAME
  10 } else {
  11    set _CHIPNAME stm32f2x
  12 }
  13
  14 if { [info exists ENDIAN] } {
  15    set _ENDIAN $ENDIAN
  16 } else {
  17    set _ENDIAN little
  18 }
  19
  20 # Work-area is a space in RAM used for flash programming
  21 # By default use 64kB
  22 if { [info exists WORKAREASIZE] } {
  23    set _WORKAREASIZE $WORKAREASIZE
  24 } else {
  25    set _WORKAREASIZE 0x10000
  26 }
  27
  28 # JTAG speed should be <= F_CPU/6. F_CPU after reset is 8MHz, so use F_JTAG = 1MHz
  29 #
  30 # Since we may be running of an RC oscilator, we crank down the speed a
  31 # bit more to be on the safe side. Perhaps superstition, but if are
  32 # running off a crystal, we can run closer to the limit. Note
  33 # that there can be a pretty wide band where things are more or less stable.
  34 adapter_khz 1000
  35
  36 adapter_nsrst_delay 100
  37 if {[using_jtag]} {
  38  jtag_ntrst_delay 100
  39 }
  40
  41 #jtag scan chain
  42 if { [info exists CPUTAPID] } {
  43    set _CPUTAPID $CPUTAPID
  44 } else {
  45    if { [using_jtag] } {
  46       # See STM Document RM0033
  47       # Section 32.6.3 - corresponds to Cortex-M3 r2p0
  48       set _CPUTAPID 0x4ba00477
  49    } {
  50       set _CPUTAPID 0x2ba01477
  51    }
  52 }
  53
  54 swj_newdap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID
  55
  56 if { [info exists BSTAPID] } {
  57    set _BSTAPID $BSTAPID
  58 } else {
  59   # See STM Document RM0033
  60   # Section 32.6.2
  61   #
  62   set _BSTAPID 0x06411041
  63 }
  64
  65 if {[using_jtag]} {
  66  swj_newdap $_CHIPNAME bs -irlen 5 -expected-id $_BSTAPID
  67 }
  68
  69 set _TARGETNAME $_CHIPNAME.cpu
  70 target create $_TARGETNAME cortex_m -endian $_ENDIAN -chain-position $_TARGETNAME
  71
  72 $_TARGETNAME configure -work-area-phys 0x20000000 -work-area-size $_WORKAREASIZE -work-area-backup 0
  73
  74 set _FLASHNAME $_CHIPNAME.flash
  75 flash bank $_FLASHNAME stm32f2x 0 0 0 0 $_TARGETNAME
  76
  77 if {![using_hla]} {
  78    # if srst is not fitted use SYSRESETREQ to
  79    # perform a soft reset
  80    cortex_m reset_config sysresetreq
  81 }