tcl/target/at91sam3uXX.cfg

   1 # script for ATMEL sam3, a CORTEX-M3 chip
   2 #
   3 #  at91sam3u4e
   4 #  at91sam3u2e
   5 #  at91sam3u1e
   6 #  at91sam3u4c
   7 #  at91sam3u2c
   8 #  at91sam3u1c
   9
  10 if { [info exists CHIPNAME] } {
  11    set  _CHIPNAME $CHIPNAME
  12 } else {
  13    set  _CHIPNAME sam3
  14 }
  15
  16 if { [info exists ENDIAN] } {
  17    set  _ENDIAN $ENDIAN
  18 } else {
  19    set  _ENDIAN little
  20 }
  21
  22
  23 #jtag scan chain
  24 if { [info exists CPUTAPID ] } {
  25    set _CPUTAPID $CPUTAPID
  26 } else {
  27    set _CPUTAPID 0x4ba00477
  28 }
  29
  30 jtag newtap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID
  31
  32 set _TARGETNAME [format "%s.cpu" $_CHIPNAME]
  33 target create $_TARGETNAME cortex_m3 -endian $_ENDIAN -chain-position $_TARGETNAME
  34
  35 # 16K is plenty, the smallest chip has this much
  36 $_TARGETNAME configure -work-area-virt 0 -work-area-phys 0x20000000 -work-area-size 16384 -work-area-backup 0
  37
  38 reset_config srst_only
  39
  40 # GDB can use this
  41 gdb_memory_map enable
  42 # And GDB can flash the chip
  43 gdb_flash_program enable
  44
  45 $_TARGETNAME configure -event gdb-flash-erase-start {
  46     halt
  47 }