imx21 config provided by Alan Carvalho de Assis <acassis@gmail.com>

git-svn-id: svn://svn.berlios.de/openocd/trunk@1342 b42882b7-edfa-0310-969c-e2dbd0fdcd60

src/target/target/imx21.cfg

+#use combined on interfaces or targets that can't set TRST/SRST separately
+reset_config trst_and_srst
+
+if { [info exists CHIPNAME] } {	
+   set  _CHIPNAME $CHIPNAME    
+} else {	 
+   set  _CHIPNAME imx21
+}
+
+if { [info exists ENDIAN] } {	
+   set  _ENDIAN $ENDIAN    
+} else {	 
+   set  _ENDIAN little
+}
+
+
+# Note above there is 1 tap 
+
+# The CPU tap
+if { [info exists CPUTAPID ] } {
+   set _CPUTAPID $CPUTAPID
+} else {
+   set _CPUTAPID 0x0792611f
+}
+jtag newtap $_CHIPNAME cpu  -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID
+
+
+# Create the GDB Target.
+set _TARGETNAME [format "%s.cpu" $_CHIPNAME]
+target create $_TARGETNAME arm926ejs -endian $_ENDIAN -chain-position $_TARGETNAME -variant arm926ejs
+
+arm7_9 dcc_downloads enable