tcl/target/at91rm9200.cfg

   1 # Atmel AT91rm9200
   2 # http://atmel.com/products/at91/
   3
   4 if { [info exists CHIPNAME] } {
   5    set _CHIPNAME $CHIPNAME
   6 } else {
   7    set _CHIPNAME at91rm9200
   8 }
   9
  10 if { [info exists ENDIAN] } {
  11    set _ENDIAN $ENDIAN
  12 } else {
  13    set _ENDIAN little
  14 }
  15
  16 if { [info exists CPUTAPID] } {
  17    set _CPUTAPID $CPUTAPID
  18 } else {
  19    set _CPUTAPID 0x05b0203f
  20 }
  21
  22 # Never allow the following!
  23 if { $_CPUTAPID == 0x15b0203f } {
  24    echo "-------------------------------------------------------"
  25    echo "- ERROR:                                              -"
  26    echo "- ERROR: TapID 0x15b0203f is wrong for at91rm9200     -"
  27    echo "- ERROR: The chip/board has a JTAG select pin/jumper  -"
  28    echo "- ERROR:                                              -"
  29    echo "- ERROR: In one position (0x05b0203f) it selects the  -"
  30    echo "- ERROR: ARM CPU, in the other position (0x1b0203f)   -"
  31    echo "- ERROR: it selects boundry-scan not the ARM          -"
  32    echo "- ERROR:                                              -"
  33    echo "-------------------------------------------------------"
  34 }
  35
  36 jtag newtap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID
  37
  38 # Create the GDB Target.
  39 set _TARGETNAME $_CHIPNAME.cpu
  40 target create $_TARGETNAME arm920t -endian $_ENDIAN -chain-position $_TARGETNAME
  41
  42 # AT91RM9200 has a 16K block of sram @ 0x0020.0000
  43 $_TARGETNAME configure -work-area-phys 0x00200000 \
  44                 -work-area-size 0x4000 -work-area-backup 1
  45
  46 # This chip has a DCC ... use it
  47 arm7_9 dcc_downloads enable