tcl/target/bluenrg-x.cfg

   1 #
   2 # bluenrg-1/2 and bluenrg-lp devices support only SWD transports.
   3 #
   4
   5 source [find target/swj-dp.tcl]
   6 source [find mem_helper.tcl]
   7
   8 if { [info exists CHIPNAME] } {
   9    set _CHIPNAME $CHIPNAME
  10 } else {
  11    set _CHIPNAME bluenrg-1
  12 }
  13
  14 set _ENDIAN little
  15
  16 # Work-area is a space in RAM used for flash programming
  17 # By default use 24kB-256bytes
  18 if { [info exists WORKAREASIZE] } {
  19    set _WORKAREASIZE $WORKAREASIZE
  20 } else {
  21    set _WORKAREASIZE 0x5F00
  22 }
  23
  24 adapter speed 4000
  25
  26 if { [info exists CPUTAPID] } {
  27    set _CPUTAPID $CPUTAPID
  28 } else {
  29    set _CPUTAPID 0x0bb11477
  30 }
  31
  32 swj_newdap $_CHIPNAME cpu -expected-id $_CPUTAPID
  33 dap create $_CHIPNAME.dap -chain-position $_CHIPNAME.cpu
  34
  35 set _TARGETNAME $_CHIPNAME.cpu
  36 set WDOG_VALUE 0
  37 set WDOG_VALUE_SET 0
  38
  39 target create $_TARGETNAME cortex_m -endian $_ENDIAN -dap $_CHIPNAME.dap
  40
  41 $_TARGETNAME configure -work-area-phys 0x20000100 -work-area-size $_WORKAREASIZE -work-area-backup 0
  42
  43 # flash size will be probed
  44 set _FLASHNAME $_CHIPNAME.flash
  45 flash bank $_FLASHNAME bluenrg-x 0 0 0 0 $_TARGETNAME
  46
  47 # In BlueNRG-X reset pin is actually a shutdown (power-off), so define reset as none
  48 reset_config none
  49
  50 if {![using_hla]} {
  51    # if srst is not fitted use SYSRESETREQ to
  52    # perform a soft reset
  53    cortex_m reset_config sysresetreq
  54 }
  55
  56 $_TARGETNAME configure -event halted {
  57     global WDOG_VALUE
  58     global WDOG_VALUE_SET
  59     set _JTAG_IDCODE [mrw 0x40000004]
  60     if {$_JTAG_IDCODE != 0x0201E041} {
  61         # Stop watchdog during halt, if enabled. Only Bluenrg-1/2
  62         set WDOG_VALUE [mrw 0x40700008]
  63         if [expr ($WDOG_VALUE & (1 << 1))] {
  64             set WDOG_VALUE_SET 1
  65             mww 0x40700008 [expr ($WDOG_VALUE & 0xFFFFFFFD)]
  66         }
  67     }
  68 }
  69 $_TARGETNAME configure -event resumed {
  70     global WDOG_VALUE
  71     global WDOG_VALUE_SET
  72     set _JTAG_IDCODE [mrw 0x40000004]
  73     if {$_JTAG_IDCODE != 0x0201E041} {
  74         if [expr $WDOG_VALUE_SET] {
  75             # Restore watchdog enable value after resume. Only Bluenrg-1/2
  76             mww 0x40700008 $WDOG_VALUE
  77             set WDOG_VALUE_SET 0
  78            }
  79    }
  80 }