tcl/target/is5114.cfg

   1 # SPDX-License-Identifier: GPL-2.0-or-later
   2
   3 # script for Insilica IS-5114
   4 # AKA: Atmel AT76C114 - an ARM946 chip
   5 # ATMEL sold his product line to Insilica...
   6
   7 if { [info exists CHIPNAME] } {
   8    set _CHIPNAME $CHIPNAME
   9 } else {
  10    set _CHIPNAME is5114
  11 }
  12
  13 if { [info exists ENDIAN] } {
  14    set _ENDIAN $ENDIAN
  15 } else {
  16   # this defaults to a little endian
  17    set _ENDIAN little
  18 }
  19
  20 if { [info exists CPUTAPID] } {
  21    set _CPUTAPID $CPUTAPID
  22 } else {
  23    # Force an error until we get a good number.
  24    set _CPUTAPID 0xffffffff
  25 }
  26
  27 # jtag speed. We need to stick to 16kHz until we've finished reset.
  28 adapter speed 16
  29
  30 reset_config trst_and_srst
  31
  32 # Do not specify a tap id here...
  33 jtag newtap $_CHIPNAME unknown1 -irlen 8 -ircapture 0x01 -irmask 1
  34 # This is the "arm946" chip.
  35 jtag newtap $_CHIPNAME cpu      -irlen 4 -ircapture 0x0e -irmask 0xf
  36 jtag newtap $_CHIPNAME unknown2 -irlen 5 -ircapture 1 -irmask 1
  37
  38
  39 #arm946e-s and
  40 set _TARGETNAME $_CHIPNAME.cpu
  41 target create $_TARGETNAME arm966e -endian $_ENDIAN -chain-position $_TARGETNAME
  42
  43 $_TARGETNAME configure -event reset-start { adapter speed 16 }
  44 $_TARGETNAME configure -event reset-init {
  45         # We can increase speed now that we know the target is halted.
  46         adapter speed 3000
  47 }
  48 $_TARGETNAME configure -work-area-phys 0x50000000 -work-area-size 16384 -work-area-backup 1