tcl/target/atsamv.cfg

   1 # ATMEL SAMV, SAMS, and SAME chips are Cortex-M7 parts
   2 # The chips are very similar; the SAMV series just has
   3 # more peripherals and seems like the "flagship" of the
   4 # family. This script will work for all of them.
   5
   6 source [find target/swj-dp.tcl]
   7
   8 if { [info exists CHIPNAME] } {
   9    set _CHIPNAME $CHIPNAME
  10 } else {
  11    set _CHIPNAME samv
  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 16kB
  22 if { [info exists WORKAREASIZE] } {
  23    set _WORKAREASIZE $WORKAREASIZE
  24 } else {
  25    set _WORKAREASIZE 0x4000
  26 }
  27
  28 if { [info exists CPUTAPID] } {
  29    set _CPUTAPID $CPUTAPID
  30 } else {
  31    set _CPUTAPID 0x0bd11477
  32 }
  33
  34 swj_newdap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID
  35 dap create $_CHIPNAME.dap -chain-position $_CHIPNAME.cpu
  36
  37 set _TARGETNAME $_CHIPNAME.cpu
  38 target create $_TARGETNAME cortex_m -endian $_ENDIAN -dap $_CHIPNAME.dap
  39
  40 $_TARGETNAME configure -work-area-phys 0x20400000 -work-area-size $_WORKAREASIZE -work-area-backup 0
  41
  42 adapter speed 1800
  43
  44 if {![using_hla]} {
  45    # if srst is not fitted use SYSRESETREQ to
  46    # perform a soft reset
  47    cortex_m reset_config sysresetreq
  48
  49    # Set CSW[27], which according to ARM ADI v5 appendix E1.4 maps to AHB signal
  50    # HPROT[3], which according to AMBA AHB/ASB/APB specification chapter 3.7.3
  51    # makes the data access cacheable. This allows reading and writing data in the
  52    # CPU cache from the debugger, which is far more useful than going straight to
  53    # RAM when operating on typical variables, and is generally no worse when
  54    # operating on special memory locations.
  55    $_CHIPNAME.dap apcsw 0x08000000 0x08000000
  56 }
  57
  58 set _FLASHNAME $_CHIPNAME.flash
  59 flash bank $_FLASHNAME atsamv 0x00400000 0 0 0 $_TARGETNAME