cfg: add Netgear DG834v3 configuration

Change-Id: I3f4880d8b07b9623544b94d316b37e6d0ae97020
Signed-off-by: Spencer Oliver <spen@spen-soft.co.uk>
Reviewed-on: http://openocd.zylin.com/1189
Tested-by: jenkins
Reviewed-by: Andreas Fritiofson <andreas.fritiofson@gmail.com>

tcl/board/netgear-dg834v3.cfg

@@ -0,0 +1,14 @@
+#
+# Netgear DG834v3 Router
+# Internal 4Kb RAM (@0x80000000)
+# Flash is located at 0x90000000 (CS0) and RAM is located at 0x94000000 (CS1)
+#
+
+source [find target/ti-ar7.cfg]
+
+# External 16MB SDRAM - disabled as we use internal sram
+#$_TARGETNAME configure -work-area-phys 0x80000000 -work-area-size 0x00001000
+
+# External 4MB NOR Flash
+set _FLASHNAME $_CHIPNAME.norflash
+flash bank $_FLASHNAME cfi 0x90000000 0x00400000 2 2 $_TARGETNAME

tcl/target/ti-ar7.cfg

@@ -0,0 +1,30 @@
+#
+# Texas Instruments AR7 SOC - used in many adsl modems.
+# http://www.linux-mips.org/wiki/AR7
+#
+
+if { [info exists CHIPNAME] } {
+    set _CHIPNAME $CHIPNAME
+} else {
+    set _CHIPNAME ti-ar7
+}
+
+if { [info exists ENDIAN] } {
+    set _ENDIAN $ENDIAN
+} else {
+    set _ENDIAN little
+}
+
+if { [info exists CPUTAPID] } {
+    set _CPUTAPID $CPUTAPID
+} else {
+    set _CPUTAPID 0x0000100f
+}
+
+jtag newtap $_CHIPNAME cpu -irlen 5 -expected-id $_CPUTAPID
+
+set _TARGETNAME $_CHIPNAME.cpu
+target create $_TARGETNAME mips_m4k -endian $_ENDIAN -chain-position $_CHIPNAME.cpu
+
+# use onboard 4k sram as working area
+$_TARGETNAME configure -work-area-phys 0x80000000 -work-area-size 0x00001000