tcl/target/nrf51.cfg

   1 #
   2 # script for Nordic nRF51 series, a Cortex-M0 chip
   3 #
   4
   5 source [find target/swj-dp.tcl]
   6
   7 if { [info exists CHIPNAME] } {
   8    set _CHIPNAME $CHIPNAME
   9 } else {
  10    set _CHIPNAME nrf51
  11 }
  12
  13 if { [info exists ENDIAN] } {
  14    set _ENDIAN $ENDIAN
  15 } else {
  16    set _ENDIAN little
  17 }
  18
  19 # Work-area is a space in RAM used for flash programming
  20 # By default use 16kB
  21 if { [info exists WORKAREASIZE] } {
  22    set _WORKAREASIZE $WORKAREASIZE
  23 } else {
  24    set _WORKAREASIZE 0x4000
  25 }
  26
  27 if { [info exists CPUTAPID] } {
  28    set _CPUTAPID $CPUTAPID
  29 } else {
  30    set _CPUTAPID 0x0bb11477
  31 }
  32
  33 swj_newdap $_CHIPNAME cpu -expected-id $_CPUTAPID
  34 dap create $_CHIPNAME.dap -chain-position $_CHIPNAME.cpu
  35
  36 set _TARGETNAME $_CHIPNAME.cpu
  37 target create $_TARGETNAME cortex_m -dap $_CHIPNAME.dap
  38
  39 $_TARGETNAME configure -work-area-phys 0x20000000 -work-area-size $_WORKAREASIZE -work-area-backup 0
  40
  41 if {![using_hla]} {
  42    # The chip supports standard ARM/Cortex-M0 SYSRESETREQ signal
  43    cortex_m reset_config sysresetreq
  44 }
  45
  46 flash bank $_CHIPNAME.flash nrf51 0x00000000 0 1 1 $_TARGETNAME
  47 flash bank $_CHIPNAME.uicr nrf51 0x10001000 0 1 1 $_TARGETNAME
  48
  49 #
  50 #  The chip should start up from internal 16Mhz RC, so setting adapter
  51 #  clock to 1Mhz should be OK
  52 #
  53 adapter_khz 1000
  54
  55 proc enable_all_ram {} {
  56         # nRF51822 Product Anomaly Notice (PAN) #16 explains that not all RAM banks
  57         # are reliably enabled after reset on some revisions (contrary to spec.) So after
  58         # resetting we enable all banks via the RAMON register
  59         mww 0x40000524 0xF
  60 }
  61 $_TARGETNAME configure -event reset-end {  enable_all_ram }