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/imx27ads.cfg

@@ -0,0 +1,76 @@
+# The IMX27 ADS eval board has a single IMX27 chip
+# Note: tested on IMX27ADS Board REV-2.6 and REV-2.8
+source [find target/imx27.cfg]
+$_TARGETNAME configure -event gdb-attach { reset init }
+$_TARGETNAME configure -event reset-init { imx27ads_init }
+
+# The IMX27 ADS board has a NOR flash on CS0
+set _FLASHNAME $_CHIPNAME.flash
+flash bank $_FLASHNAME cfi 0xc0000000 0x00200000 2 2 $_TARGETNAME
+
+proc imx27ads_init { } {
+	# This setup puts RAM at 0xA0000000
+
+	# reset the board correctly
+	reset run
+	reset halt
+
+	mww 0x10000000 0x20040304
+	mww 0x10020000 0x00000000
+	mww 0x10000004 0xDFFBFCFB
+	mww 0x10020004 0xFFFFFFFF
+
+	sleep 100
+
+	# ========================================
+	#  Configure DDR on CSD0 -- initial reset
+	# ========================================
+	mww 0xD8001010 0x00000008
+
+	# ========================================
+	#  Configure PSRAM on CS5
+	# ========================================
+	mww 0xd8002050 0x0000dcf6
+	mww 0xd8002054 0x444a4541
+	mww 0xd8002058 0x44443302
+
+	#  ========================================
+	#         Configure16 bit NorFlash on CS0
+	#  ========================================
+	mww 0xd8002000 0x0000CC03
+	mww 0xd8002004 0xa0330D01
+	mww 0xd8002008 0x00220800
+
+	# ========================================
+	#  Configure CPLD on CS4
+	# ========================================
+	mww 0xd8002040 0x0000DCF6
+	mww 0xd8002044 0x444A4541
+	mww 0xd8002048 0x44443302
+
+	# ========================================
+	#  Configure DDR on CSD0 -- wait 5000 cycle
+	# ========================================
+	mww 0x10027828 0x55555555
+	mww 0x10027830 0x55555555
+	mww 0x10027834 0x55555555
+	mww 0x10027838 0x00005005
+	mww 0x1002783C 0x15555555
+
+	mww 0xD8001010 0x00000004
+
+	mww 0xD8001004 0x00795729
+
+	mww 0xD8001000 0x92200000
+	mww 0xA0000F00 0x0
+
+	mww 0xD8001000 0xA2200000
+	mww 0xA0000F00 0x0
+	mww 0xA0000F00 0x0
+
+	mww 0xD8001000 0xB2200000
+	mwb 0xA0000033 0xFF
+	mwb 0xA1000000 0xAA
+
+	mww 0xD8001000 0x82228085
+}