+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 {
+ # force an error till we get a good number
+ set _CPUTAPID 0x1f0f0f0f
+}
+
+