debuggers: import openocd-0.7.0

Initial check-in of openocd-0.7.0 as it can be downloaded from
http://sourceforge.net/projects/openocd/files/openocd/0.7.0/

Any modifications will follow.

Change-Id: I6949beaefd589e046395ea0cb80f4e1ab1654d55

debuggers/openocd/tcl/board/at91eb40a.cfg

@@ -0,0 +1,67 @@
+#Script for AT91EB40a
+
+# FIXME use some standard target config, maybe create one from this
+#
+#	source [find target/...cfg]
+
+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 {
+   set _CPUTAPID 0x1f0f0f0f
+}
+
+
+#Atmel ties SRST & TRST together, at which point it makes
+#no sense to use TRST, but use TMS instead.
+#
+#The annoying thing with tying SRST & TRST together is that
+#there is no way to halt the CPU *before and during* the
+#SRST reset, which means that the CPU will run a number
+#of cycles before it can be halted(as much as milliseconds).
+reset_config srst_only srst_pulls_trst
+
+#jtag scan chain
+jtag newtap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID
+
+#target configuration
+set _TARGETNAME $_CHIPNAME.cpu
+target create $_TARGETNAME arm7tdmi -endian $_ENDIAN -chain-position $_TARGETNAME
+
+# speed up memory downloads
+arm7_9 fast_memory_access enable
+arm7_9 dcc_downloads enable
+
+#flash driver
+set _FLASHNAME $_CHIPNAME.flash
+flash bank $_FLASHNAME cfi 0x01000000 0x200000 2 2 $_TARGETNAME
+
+# required for usable performance. Used for lots of
+# other things than flash programming.
+$_TARGETNAME configure -work-area-phys 0x00030000 -work-area-size 0x10000 -work-area-backup 0
+
+$_TARGETNAME configure -event reset-init {
+	echo "Running reset init script for AT91EB40A"
+	# Reset script for AT91EB40a
+	reg cpsr 0x000000D3
+	mww 0xFFE00020 0x1
+	mww 0xFFE00024 0x00000000
+	mww 0xFFE00000 0x01002539
+	mww 0xFFFFF124 0xFFFFFFFF
+	mww 0xffff0010 0x100
+	mww 0xffff0034 0x100
+}
+
+# This target is pretty snappy...
+adapter_khz 16000