riscv-openocd/tcl/target/is5114.cfg

# SPDX-License-Identifier: GPL-2.0-or-later

# script for Insilica IS-5114
# AKA: Atmel AT76C114 - an ARM946 chip
# ATMEL sold his product line to Insilica...

if { [info exists CHIPNAME] } {
   set _CHIPNAME $CHIPNAME
} else {
   set _CHIPNAME is5114
}

if { [info exists ENDIAN] } {
   set _ENDIAN $ENDIAN
} else {
  # this defaults to a little endian
   set _ENDIAN little
}

if { [info exists CPUTAPID] } {
   set _CPUTAPID $CPUTAPID
} else {
   # Force an error until we get a good number.
   set _CPUTAPID 0xffffffff
}

# jtag speed. We need to stick to 16kHz until we've finished reset.
adapter speed 16

reset_config trst_and_srst

# Do not specify a tap id here...
jtag newtap $_CHIPNAME unknown1 -irlen 8 -ircapture 0x01 -irmask 1
# This is the "arm946" chip.
jtag newtap $_CHIPNAME cpu      -irlen 4 -ircapture 0x0e -irmask 0xf
jtag newtap $_CHIPNAME unknown2 -irlen 5 -ircapture 1 -irmask 1


#arm946e-s and
set _TARGETNAME $_CHIPNAME.cpu
target create $_TARGETNAME arm966e -endian $_ENDIAN -chain-position $_TARGETNAME

$_TARGETNAME configure -event reset-start { adapter speed 16 }
$_TARGETNAME configure -event reset-init {
	# We can increase speed now that we know the target is halted.
	adapter speed 3000
}
$_TARGETNAME configure -work-area-phys 0x50000000 -work-area-size 16384 -work-area-backup 1