set _TARGETNAME [format "%s.cpu" $_CHIPNAME]
target create $_TARGETNAME arm920t -endian $_ENDIAN -chain-position $_TARGETNAME -variant arm920t
-$_TARGETNAME configure -work-area-virt 0 -work-area-phys 0x40000000 -work-area-size 0x4000 -work-area-backup 1
+$_TARGETNAME configure -work-area-phys 0x40000000 -work-area-size 0x4000 -work-area-backup 1
#reset configuration
jtag_nsrst_delay 100