tcl/target/bluenrg-x.cfg

   1 # SPDX-License-Identifier: GPL-2.0-or-later
   2
   3 #
   4 # bluenrg-1/2 and bluenrg-lp devices support only SWD transports.
   5 #
   6
   7 source [find target/swj-dp.tcl]
   8 source [find mem_helper.tcl]
   9
  10 if { [info exists CHIPNAME] } {
  11    set _CHIPNAME $CHIPNAME
  12 } else {
  13    set _CHIPNAME bluenrg-1
  14 }
  15
  16 set _ENDIAN little
  17
  18 # Work-area is a space in RAM used for flash programming
  19 # By default use 24kB-256bytes
  20 if { [info exists WORKAREASIZE] } {
  21    set _WORKAREASIZE $WORKAREASIZE
  22 } else {
  23    set _WORKAREASIZE 0x5F00
  24 }
  25
  26 adapter speed 4000
  27
  28 swj_newdap $_CHIPNAME cpu -expected-id 0x0bb11477 -expected-id 0x0bc11477
  29 dap create $_CHIPNAME.dap -chain-position $_CHIPNAME.cpu
  30
  31 set _TARGETNAME $_CHIPNAME.cpu
  32 set WDOG_VALUE 0
  33 set WDOG_VALUE_SET 0
  34
  35 target create $_TARGETNAME cortex_m -endian $_ENDIAN -dap $_CHIPNAME.dap
  36
  37 $_TARGETNAME configure -work-area-phys 0x20000100 -work-area-size $_WORKAREASIZE -work-area-backup 0
  38
  39 # flash size will be probed
  40 set _FLASHNAME $_CHIPNAME.flash
  41 flash bank $_FLASHNAME bluenrg-x 0 0 0 0 $_TARGETNAME
  42
  43 # In BlueNRG-X reset pin is actually a shutdown (power-off), so define reset as none
  44 reset_config none
  45
  46 if {![using_hla]} {
  47    # if srst is not fitted use SYSRESETREQ to
  48    # perform a soft reset
  49    cortex_m reset_config sysresetreq
  50 }
  51
  52 set JTAG_IDCODE_B2 0x0200A041
  53 set JTAG_IDCODE_B1 0x0
  54
  55 $_TARGETNAME configure -event halted {
  56     global WDOG_VALUE
  57     global WDOG_VALUE_SET
  58     set _JTAG_IDCODE [mrw 0x40000004]
  59     if {$_JTAG_IDCODE == $JTAG_IDCODE_B2 || $_JTAG_IDCODE == $JTAG_IDCODE_B1} {
  60         # Stop watchdog during halt, if enabled. Only Bluenrg-1/2
  61         set WDOG_VALUE [mrw 0x40700008]
  62         if [expr {$WDOG_VALUE & (1 << 1)}] {
  63             set WDOG_VALUE_SET 1
  64             mww 0x40700008 [expr {$WDOG_VALUE & 0xFFFFFFFD}]
  65         }
  66     }
  67 }
  68 $_TARGETNAME configure -event resumed {
  69     global WDOG_VALUE
  70     global WDOG_VALUE_SET
  71     set _JTAG_IDCODE [mrw 0x40000004]
  72     if {$_JTAG_IDCODE == $JTAG_IDCODE_B2 || $_JTAG_IDCODE == $JTAG_IDCODE_B1} {
  73         if {$WDOG_VALUE_SET} {
  74             # Restore watchdog enable value after resume. Only Bluenrg-1/2
  75             mww 0x40700008 $WDOG_VALUE
  76             set WDOG_VALUE_SET 0
  77            }
  78    }
  79 }