diff --git a/NEWS b/NEWS
index 7fe542dbe31d6d3597dbc2d7f75c224096b1f507..81fce82181091f9ce3f7a3b03df82cd3b1d3f713 100644
--- a/NEWS
+++ b/NEWS
@@ -39,6 +39,7 @@ Board, Target, and Interface Configuration Scripts:
     Samsung s3c2450
 	Mini2440 board
     Numeric TAP and Target identifiers now trigger warnings
+    PXA255 partially enumerates
 
 Documentation:
     Capture more debugging and setup advice
diff --git a/tcl/target/pxa255.cfg b/tcl/target/pxa255.cfg
index 1608d66c88f2c96b2d33bad8467014ac33ef5f57..7137621a43c87de0ed2daf7ac756286e65d1d26f 100644
--- a/tcl/target/pxa255.cfg
+++ b/tcl/target/pxa255.cfg
@@ -19,8 +19,37 @@ if { [info exists CPUTAPID ] } {
    set _CPUTAPID 0x69264013
 }
 
-jtag newtap $_CHIPNAME cpu -irlen 5 -ircapture 0x1e -irmask 0x1f -expected-id $_CPUTAPID
+jtag newtap $_CHIPNAME cpu -irlen 5 -expected-id $_CPUTAPID
 
 set _TARGETNAME $_CHIPNAME.cpu
-target create $_TARGETNAME xscale -endian $_ENDIAN -chain-position $_TARGETNAME
-debug_level 3
+target create $_TARGETNAME xscale -endian $_ENDIAN \
+	-chain-position $_CHIPNAME.cpu
+
+# PXA255 comes out of reset using 3.6864 MHz oscillator.
+# Until the PLL kicks in, keep the JTAG clock slow enough
+# that we get no errors.
+jtag_khz 300
+$_TARGETNAME configure -event "reset-start" { jtag_khz 300 }
+
+# reset processing that works with PXA
+proc init_reset {mode} {
+	# assert both resets; equivalent to power-on reset
+	jtag_reset 1 1
+
+	# drop TRST after at least 32 cycles
+	sleep 1
+	jtag_reset 0 1
+
+	# minimum 32 TCK cycles to wake up the controller
+	runtest 50
+
+	# now the TAP will be responsive; validate scanchain
+	jtag arp_init
+
+	# ... and take it out of reset
+	jtag_reset 0 0
+}
+
+proc jtag_init {} {
+	init_reset startup
+}