#Script for AT91EB40a
+if { [info exists CHIPNAME] } {
+ set _CHIPNAME $CHIPNAME
+} else {
+ set _CHIPNAME at91eb40a
+}
+
+if { [info exists ENDIAN] } {
+ set _ENDIAN $ENDIAN
+} else {
+ set _ENDIAN little
+}
+
+if { [info exists CPUTAPID ] } {
+ set _CPUTAPID $CPUTAPID
+} else {
+ # force an error till we get a good number
+ set _CPUTAPID 0xffffffff
+}
+
+
#Atmel ties SRST & TRST together, at which point it makes
#no sense to use TRST, but use TMS instead.
#
#jtag scan chain
#format L IRC IRCM IDCODE (Length, IR Capture, IR Capture Mask, IDCODE)
-jtag_device 4 0x1 0xf 0xe
+jtag newtap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID
#target configuration
-target create target0 arm7tdmi -endian little -chain-position 0 -variant arm7tdmi-s_r4
+set _TARGETNAME [format "%s.cpu" $_CHIPNAME]
+target create $_TARGETNAME arm7tdmi -endian $_ENDIAN -chain-position $_TARGETNAME -variant arm7tdmi-s_r4
# speed up memory downloads
arm7_9 fast_memory_access enable
# required for usable performance. Used for lots of
# other things than flash programming.
-[new_target_name] configure -work-area-virt 0 -work-area-phys 0x00030000 -work-area-size 0x10000 -work-area-backup 0
+$_TARGETNAME configure -work-area-virt 0 -work-area-phys 0x00030000 -work-area-size 0x10000 -work-area-backup 0
-[new_target_name] configure -event reset-init {
+$_TARGETNAME configure -event reset-init {
puts "Running reset init script for AT91EB40A"
# Reset script for AT91EB40a
reg cpsr 0x000000D3