flash: Analog Devices ADuCM360 support

A target config and a simple flash driver for the ADuCM360 microcontroller.
The EEPROM of the chip may be erased and programmed.

Change-Id: Ic2bc2f91ec5b6f72e3976dbe18071f461fe503b8
Signed-off-by: Ivan Buliev <i.buliev@mikrosistemi.com>
Reviewed-on: http://openocd.zylin.com/2787
Reviewed-by: Spencer Oliver <spen@spen-soft.co.uk>
Tested-by: jenkins

tcl/target/aducm360.cfg

@@ -0,0 +1,55 @@
+#
+# This file was created using as references the stm32f1x.cfg and aduc702x.cfg
+#
+source [find target/swj-dp.tcl]
+
+# Chip name
+if { [info exists CHIPNAME] } {
+   set _CHIPNAME $CHIPNAME
+} else {
+   set _CHIPNAME aducm360
+}
+
+# Endianess
+if { [info exists ENDIAN] } {
+   set _ENDIAN $ENDIAN
+} else {
+   set _ENDIAN little
+}
+
+# Work-area is a space in RAM used for flash programming
+# Eventually, the whole SRAM of ADuCM360 will be used (8kB)
+if { [info exists WORKAREASIZE] } {
+   set _WORKAREASIZE $WORKAREASIZE
+} else {
+   set _WORKAREASIZE 0x2000
+}
+
+#jtag scan chain
+if { [info exists CPUTAPID] } {
+   set _CPUTAPID $CPUTAPID
+} else {
+   set _CPUTAPID 0x2ba01477
+}
+
+swd newdap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID
+
+# SWD/JTAG speed
+adapter_khz 1000
+
+##
+## Target configuration
+##
+set _TARGETNAME $_CHIPNAME.cpu
+target create $_TARGETNAME cortex_m -endian $_ENDIAN -chain-position $_TARGETNAME
+
+# allocate the working area
+$_TARGETNAME configure -work-area-phys 0x20000000 -work-area-size $_WORKAREASIZE -work-area-backup 0
+
+# flash size will be probed
+set _FLASHNAME $_CHIPNAME.flash
+flash bank $_FLASHNAME aducm360 0x00 0 0 0 $_TARGETNAME
+
+adapter_nsrst_delay 100
+
+cortex_m reset_config sysresetreq