tcl/target/efm32.cfg

   1 # SPDX-License-Identifier: GPL-2.0-or-later
   2
   3 #
   4 # Silicon Labs (formerly Energy Micro) EFM32 target
   5 #
   6 # Note: All EFM32 chips have SWD support, but only newer series 1
   7 # chips have JTAG support.
   8 #
   9
  10 source [find target/swj-dp.tcl]
  11
  12 if { [info exists CHIPNAME] } {
  13    set _CHIPNAME $CHIPNAME
  14 } else {
  15    set _CHIPNAME efm32
  16 }
  17
  18 # Work-area is a space in RAM used for flash programming
  19 # By default use 2kB
  20 if { [info exists WORKAREASIZE] } {
  21    set _WORKAREASIZE $WORKAREASIZE
  22 } else {
  23    set _WORKAREASIZE 0x800
  24 }
  25
  26 if { [info exists CPUTAPID] } {
  27    set _CPUTAPID $CPUTAPID
  28 } else {
  29    if { [using_jtag] } {
  30       set _CPUTAPID 0x4ba00477
  31    } {
  32       set _CPUTAPID 0x2ba01477
  33    }
  34 }
  35
  36 swj_newdap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID
  37 dap create $_CHIPNAME.dap -chain-position $_CHIPNAME.cpu
  38
  39 adapter speed 1000
  40
  41 set _TARGETNAME $_CHIPNAME.cpu
  42 target create $_TARGETNAME cortex_m -dap $_CHIPNAME.dap
  43
  44 $_TARGETNAME configure -work-area-phys 0x10000000 -work-area-size $_WORKAREASIZE -work-area-backup 0
  45
  46 set _FLASHNAME $_CHIPNAME.flash
  47 flash bank $_FLASHNAME efm32 0 0 0 0 $_TARGETNAME
  48 flash bank userdata.flash efm32 0x0FE00000 0 0 0 $_TARGETNAME
  49 flash bank lockbits.flash efm32 0x0FE04000 0 0 0 $_TARGETNAME
  50
  51 if {![using_hla]} {
  52    # if srst is not fitted use SYSRESETREQ to
  53    # perform a soft reset
  54    cortex_m reset_config sysresetreq
  55 }